page	source_page_order	layout_page_order	layout_order	ref	label	role_guess	included_in_body	excluded_risk_level	body_decision_reason	parser_body_decision_reason	production_usage	visual_asset_type	visual_asset_label	visual_asset_caption_preview	truncation_marker	inside_body_region	body_region_id	zone	column	column_index	column_count	region_id	background_rgb	background_class	is_gray_background	has_frame_evidence	bbox	text_preview	cleaned_text_preview
1	1	1	0	#/texts/0	page_header	page_header	False	low	first_page_metadata	first_page_metadata						True	p1:body_region:0	top_margin	column_1_of_2	1	2	p1:top_margin:column_1_of_2:white	[255, 255, 255]	white	False	False	[46.77, 34.19, 141.55, 18.69]	J Nanopart Res (2018) 20: 160 https://doi.org/10.1007/s11051-018-4235-1	J Nanopart Res (2018) 20: 160
1	2	2	1	#/texts/1	section_header	title_candidate	False	low	first_page_front_matter_heading	first_page_front_matter_heading						True	p1:body_region:0	front_matter	column_1_of_2	1	2	p1:front_matter:front_panel:gray	[195, 196, 196]	gray	True	False	[52.44, 65.76, 39.87, 9.08]	REVIEW	REVIEW
1	3	3	2	#/texts/2	section_header	title_candidate	False	low	first_page_front_matter_heading	first_page_front_matter_heading						True	p1:body_region:0	front_matter	column_1_of_2	1	2	p1:front_matter:column_1_of_2:white	[255, 255, 255]	white	False	False	[46.77, 107.14, 380.39, 30.94]	Recent advances on Fe- and Mn-based cathode materials for lithium and sodium ion batteries	Recent advances on Fe- and Mn-based cathode materials for lithium and sodium ion batteries
1	4	4	3	#/texts/3	text	front_matter_candidate	False	low	before_body_started	before_body_started						True	p1:body_region:0	front_matter	column_1_of_2	1	2	p1:front_matter:column_1_of_2:white	[255, 255, 255]	white	False	False	[46.77, 157.49, 192.35, 33.85]	Xiaobo Zhu & Tongen Lin & Eric Manning & Yuancheng Zhang & Mengmeng Yu & Bin Zuo & Lianzhou Wang	Xiaobo Zhu & Tongen Lin & Eric Manning & Yuancheng Zhang & Mengmeng Yu & Bin Zuo & Lianzhou Wang
1	5	5	4	#/texts/4	text	metadata	False	low	first_page_metadata	first_page_metadata						True	p1:body_region:0	front_matter	column_1_of_2	1	2	p1:front_matter:column_1_of_2:white	[255, 255, 255]	white	False	False	[46.77, 225.19, 285.74, 17.6]	Received: 18 January 2018 /Accepted: 23 April 2018 /Published online: 11 June 2018 # Springer Science+Business Media B.V ., part of Springer Nature 2018	Received: 18 January 2018 /Accepted: 23 April 2018 /Published online: 11 June 2018 # Springer Science+Business Media B.V ., part of Springer Nature 2018
1	6	6	5	#/texts/5	text	abstract_candidate	False	medium	implicit_abstract	implicit_abstract						True	p1:body_region:0	front_matter	column_1_of_2	1	2	p1:front_matter:column_1_of_2:white	[255, 255, 255]	white	False	False	[46.77, 262.24, 215.51, 195.45]	Abstract The ever-growing market of electrochemical energy storage impels the advances on cost-effective and environmentally friendly battery chemistries. Lithiumion batteries (LIBs) are currently the most critical ener…	Abstract The ever-growing market of electrochemical energy storage impels the advances on cost-effective and environmentally friendly battery chemistries. Lithiumion batteries (LIBs) are currently the most critical ener…
1	16	7	6	#/texts/14	text	front_matter_heading	False	low	abstract_boundary_front_matter	abstract_boundary_front_matter						False	None	front_matter	column_2_of_2	2	2	p1:front_matter:column_2_of_2:white	[255, 255, 255]	white	False	False	[284.88, 346.38, 215.5, 33.53]	Keywords Cathodematerials . Iron-based . Manganesebased . Lithium ion batteries . Sodium ion batteries . Energy storage	Keywords Cathodematerials . Iron-based . Manganesebased . Lithium ion batteries . Sodium ion batteries . Energy storage
1	15	8	7	#/texts/13#prov1	text	abstract_candidate	False	medium	implicit_abstract	implicit_abstract						False	None	front_matter	column_2_of_2	2	2	p1:front_matter:column_2_of_2:white	[255, 255, 255]	white	False	False	[284.88, 262.24, 215.53, 58.48]	NaxFeyMn1-yO2, Na4MnFe2(PO4)(P2O7), and Prussian blue analogs. Also, challenges and prospects are discussed to direct the possible development of costeffective and high-performance cathode materials for future rechargea…	NaxFeyMn1-yO2, Na4MnFe2(PO4)(P2O7), and Prussian blue analogs. Also, challenges and prospects are discussed to direct the possible development of costeffective and high-performance cathode materials for future rechargea…
1	17	9	8	#/texts/15	section_header	body_heading	False	low	body_heading	body_heading						False	None	body_zone	column_2_of_2	2	2	p1:body_zone:column_2_of_2:white	[255, 255, 255]	white	False	False	[284.89, 418.09, 52.55, 8.75]	Introduction	Introduction
1	10	10	9	#/texts/9	text	metadata	False	medium	first_page_metadata	first_page_metadata						True	p1:body_region:0	body_zone	column_1_of_2	1	2	p1:body_zone:column_1_of_2:white	[255, 255, 255]	white	False	False	[46.76, 529.39, 214.35, 52.83]	X. Zhu : T. Lin : E. Manning : L. Wang ( * ) Nanomaterials Centre, School of Chemical Engineering and Australian Institute for Bioengineering and Nanotechnology, The University of Queensland, QLD, Brisbane 4072, Austral…	X. Zhu : T. Lin : E. Manning : L. Wang ( * ) Nanomaterials Centre, School of Chemical Engineering and Australian Institute for Bioengineering and Nanotechnology, The University of Queensland, QLD, Brisbane 4072, Austral…
1	11	11	10	#/texts/10	text	affiliation	False	low	affiliation_block	affiliation_block						True	p1:body_region:0	body_zone	column_1_of_2	1	2	p1:body_zone:column_1_of_2:white	[255, 255, 255]	white	False	False	[46.76, 594.77, 204.74, 17.33]	E. Manning Faculty of Engineering, University of Alberta, Edmonton, AB	E. Manning Faculty of Engineering, University of Alberta, Edmonton, AB
1	12	12	11	#/texts/11	text	body	True	None	body	body						True	p1:body_region:0	body_zone	column_1_of_2	1	2	p1:body_zone:column_1_of_2:white	[255, 255, 255]	white	False	False	[46.76, 614.72, 60.37, 7.35]	T6G 2R3, Canada	T6G 2R3, Canada
1	14	13	12	#/texts/13#prov0	text	body	True	None	body	body						True	p1:body_region:0	body_zone	column_1_of_2	1	2	p1:body_zone:column_1_of_2:white	[255, 255, 255]	white	False	False	[46.76, 634.62, 208.73, 27.41]	Y. Zhang M. Yu B. Zuo Shandong Baoli Biomass Energy Corporate, Changan Group, Huanghe Road, Dongying 257067, People ' s Republic of China	Y. Zhang M. Yu B. Zuo Shandong Baoli Biomass Energy Corporate, Changan Group, Huanghe Road, Dongying 257067, People ' s Republic of China
1	7	14	13	#/texts/6	text	body	True	None	body	body						True	p1:body_region:0	body_zone	column_1_of_2	1	2	p1:body_zone:column_1_of_2:white	[255, 255, 255]	white	False	False	[46.77, 485.98, 141.51, 7.35]	This article is part of the topical collection:	This article is part of the topical collection:
1	8	15	14	#/texts/7	text	unknown_text	False	medium	outside_body_flow	outside_body_flow						True	p1:body_region:0	body_zone	column_1_of_2	1	2	p1:body_zone:column_1_of_2:white	[255, 255, 255]	white	False	False	[46.77, 495.95, 135.17, 7.35]	20th Anniversary Issue: From the editors	20th Anniversary Issue: From the editors
1	9	16	15	#/texts/8	text	body	True	None	body	body						True	p1:body_region:0	body_zone	column_1_of_2	1	2	p1:body_zone:column_1_of_2:white	[255, 255, 255]	white	False	False	[46.77, 513.47, 197.71, 7.35]	Nicola Pinna, Executive Editor, Mike Roco, Editor-in-Chief	Nicola Pinna, Executive Editor, Mike Roco, Editor-in-Chief
1	13	17	16	#/texts/12	text	unknown_text	False	medium	empty_after_cleaning	empty_after_cleaning						True	p1:body_region:0	body_zone	column_1_of_2	1	2	p1:body_zone:column_1_of_2:white	[255, 255, 255]	white	False	False	[80.84, 629.05, 32.89, 11.68]	: :	
1	18	18	17	#/texts/16	text	body	True	None	body	body						False	None	body_zone	column_2_of_2	2	2	p1:body_zone:column_2_of_2:white	[255, 255, 255]	white	False	False	[284.89, 442.97, 215.47, 220.33]	The demand for electrical energy storage is increasing exponentially along with the advancement of technologies and our ambition for clean and sustainable development. As a state-of-the-art energy storage system, lithiu…	The demand for electrical energy storage is increasing exponentially along with the advancement of technologies and our ambition for clean and sustainable development. As a state-of-the-art energy storage system, lithiu…
2	1	1	18	#/texts/17	page_header	page_header	False	low	docling_page_header	docling_page_header						False	None	top_margin	column_1_of_2	1	2	p2:top_margin:column_1_of_2:white	[255, 255, 255]	white	False	False	[46.77, 34.25, 63.0, 7.44]	160 Page 2 of 40	160 Page 2 of 40
2	3	2	19	#/texts/19	text	body	True	None	body	body						False	None	page_body	column_1_of_2	1	2	p2:page_body:column_1_of_2:white	[255, 255, 255]	white	False	False	[46.76, 56.9, 215.51, 270.17]	A typical LIB is an enclosed device consisting of a cathode, an anode, a separator, and an electrolyte. In respect to the manufacturing cost of a LIB (Fig. 1a), the cathode part accounts for the most significant share, …	A typical LIB is an enclosed device consisting of a cathode, an anode, a separator, and an electrolyte. In respect to the manufacturing cost of a LIB (Fig. 1a), the cathode part accounts for the most significant share, …
2	4	3	20	#/texts/20	text	body	True	None	body	body						False	None	page_body	column_1_of_2	1	2	p2:page_body:column_1_of_2:white	[255, 255, 255]	white	False	False	[46.76, 330.89, 215.54, 270.18]	Although both LIBs and SIBs should be directed to lower cost and higher performance, given the different application scenarios and development phases of LIBs and SIBs, the challenges existing in them still varies. In LI…	Although both LIBs and SIBs should be directed to lower cost and higher performance, given the different application scenarios and development phases of LIBs and SIBs, the challenges existing in them still varies. In LI…
2	5	4	21	#/texts/21#prov0	text	body	True	None	body	body						False	None	page_body	column_1_of_2	1	2	p2:page_body:column_1_of_2:white	[255, 255, 255]	white	False	False	[46.77, 604.84, 215.55, 58.48]	Taking advantage of abundant Na sources, SIBs hold the promise to support large-scale energy storage applications, which is critical in harnessing intermittent renewable energies such as solar and wind power. An essenti…	Taking advantage of abundant Na sources, SIBs hold the promise to support large-scale energy storage applications, which is critical in harnessing intermittent renewable energies such as solar and wind power. An essenti…
2	2	5	22	#/texts/18	page_header	page_header	False	low	docling_page_header	docling_page_header						True	p2:body_region:0	top_margin	column_2_of_2	2	2	p2:top_margin:column_2_of_2:white	[255, 255, 255]	white	False	False	[398.16, 34.25, 102.12, 7.35]	J Nanopart Res (2018) 20: 160	J Nanopart Res (2018) 20: 160
2	6	6	23	#/texts/21#prov1	text	body	True	None	body	body						True	p2:body_region:0	page_body	column_2_of_2	2	2	p2:page_body:column_2_of_2:white	[255, 255, 255]	white	False	False	[284.88, 56.9, 215.5, 183.03]	of suitable electrode materials that meet the long-term stability requirement and can deliver and accept large amounts of energy quickly. However, the radii of Na + (0.102 nm) is much larger compared to that of Li + (0.…	of suitable electrode materials that meet the long-term stability requirement and can deliver and accept large amounts of energy quickly. However, the radii of Na + (0.102 nm) is much larger compared to that of Li + (0.…
2	7	7	24	#/texts/22	text	body	True	None	body	body						True	p2:body_region:0	page_body	column_2_of_2	2	2	p2:page_body:column_2_of_2:white	[255, 255, 255]	white	False	False	[284.89, 243.7, 215.49, 170.56]	Herein, this review summarizes the research advances on Fe- and Mn-based cathode materials for LIBs and SIBs, respectively, which are categorized into oxides, polyanion compounds, and hexacyanometalates (for SIBs). With…	Herein, this review summarizes the research advances on Fe- and Mn-based cathode materials for LIBs and SIBs, respectively, which are categorized into oxides, polyanion compounds, and hexacyanometalates (for SIBs). With…
2	8	8	25	#/texts/23	section_header	body_heading	False	low	body_heading	body_heading						True	p2:body_region:0	page_body	column_2_of_2	2	2	p2:page_body:column_2_of_2:white	[255, 255, 255]	white	False	False	[284.89, 442.97, 174.19, 8.75]	Fe- and Mn-based oxides as LIB cathodes	Fe- and Mn-based oxides as LIB cathodes
2	9	9	26	#/texts/24	text	body	True	None	body	body						True	p2:body_region:0	page_body	column_2_of_2	2	2	p2:page_body:column_2_of_2:white	[255, 255, 255]	white	False	False	[284.88, 467.86, 215.53, 195.46]	The introduction of LCO cathode has empowered the commercialization of the first LIB. LCO also guides the investigation of a family of α -NaFeO2-type layered oxides LiMO2, where M can be a TM or a mixture of several (Ch…	The introduction of LCO cathode has empowered the commercialization of the first LIB. LCO also guides the investigation of a family of α -NaFeO2-type layered oxides LiMO2, where M can be a TM or a mixture of several (Ch…
3	1	1	27	#/texts/25	page_header	page_header	False	low	docling_page_header	docling_page_header						False	None	top_margin	column_1_of_2	1	2	p3:top_margin:column_1_of_2:white	[255, 255, 255]	white	False	False	[46.77, 34.25, 102.17, 7.35]	J Nanopart Res (2018) 20: 160	J Nanopart Res (2018) 20: 160
3	3	2	28	#/texts/27	caption	caption	False	low	outside_body_flow_caption	outside_body_flow_caption						False	None	page_body	column_1_of_2	1	2	p3:page_body:column_1_of_2:white	[255, 255, 255]	white	False	False	[46.77, 384.38, 215.5, 37.31]	Fig. 1 a Constitutional costs for manufacturing a typical LIB and SIB. Values are from ref. (Kim et al. 2014). b Abundances of metal elementals involved in standard cathode materials. Values are taken from ref. (Nitta e…	Fig. 1 a Constitutional costs for manufacturing a typical LIB and SIB. Values are from ref. (Kim et al. 2014). b Abundances of metal elementals involved in standard cathode materials. Values are taken from ref. (Nitta e…
3	4	3	29	#/texts/28	section_header	body_heading	False	low	body_heading	body_heading						False	None	page_body	column_1_of_2	1	2	p3:page_body:column_1_of_2:white	[255, 255, 255]	white	False	False	[46.77, 442.98, 32.99, 9.61]	LiMnO2	LiMnO2
3	5	4	30	#/texts/29	text	body	True	None	body	body						False	None	page_body	column_1_of_2	1	2	p3:page_body:column_1_of_2:white	[255, 255, 255]	white	False	False	[46.76, 467.87, 215.51, 196.41]	After the success of LCO, researchers have made significant efforts to investigate the Mn-based structural analog of LCO (Fuchs and Kemmler-Sack 1994; Rossouw et al. 1993). However, layered O3-type LiMnO2 is challenging…	After the success of LCO, researchers have made significant efforts to investigate the Mn-based structural analog of LCO (Fuchs and Kemmler-Sack 1994; Rossouw et al. 1993). However, layered O3-type LiMnO2 is challenging…
3	2	5	31	#/texts/26	page_header	page_header	False	low	docling_page_header	docling_page_header						False	None	top_margin	column_2_of_2	2	2	p3:top_margin:column_2_of_2:white	[255, 255, 255]	white	False	True	[437.38, 34.25, 62.91, 7.44]	Page 3 of 40 160	Page 3 of 40 160
3	6	6	32	#/texts/30	text	body	True	None	body	body						False	None	page_body	column_2_of_2	2	2	p3:page_body:column_2_of_2:white	[255, 255, 255]	white	False	False	[284.89, 384.38, 215.4, 27.25]	recycled) elementals (shown in green) in the periodic table, in which main elements of current LIBs are circled in red. Reproduced from ref. (Larcher and Tarascon 2015)	recycled) elementals (shown in green) in the periodic table, in which main elements of current LIBs are circled in red. Reproduced from ref. (Larcher and Tarascon 2015)
3	7	7	33	#/texts/31	text	body	True	None	body	body						False	None	page_body	column_2_of_2	2	2	p3:page_body:column_2_of_2:white	[255, 255, 255]	white	False	False	[284.88, 442.98, 215.47, 83.37]	1992) and LiNixMnyCo1-x-yO2 (Shaju et al. 2002; Tsutomu and Yoshinari 2001) (NMC). For example, the existence of low valance Ni (Ni 2+ ) can reduce the proportion of Mn 3+ . The synergistic contributions of various meta…	1992) and LiNixMnyCo1-x-yO2 (Shaju et al. 2002; Tsutomu and Yoshinari 2001) (NMC). For example, the existence of low valance Ni (Ni 2+ ) can reduce the proportion of Mn 3+ . The synergistic contributions of various meta…
3	8	8	34	#/texts/32#prov0	text	body	True	None	body	body						False	None	page_body	column_2_of_2	2	2	p3:page_body:column_2_of_2:white	[255, 255, 255]	white	False	False	[284.88, 530.11, 215.52, 133.2]	Mn-substituted LiNixMn1-xO2 has been initially designed to address the issues in LiNiO 2 (Chen et al. 2014; Ohzuku et al. 1993), which is hard to prepare due to the difficulties in controlling stoichiometry, Li/Ni order…	Mn-substituted LiNixMn1-xO2 has been initially designed to address the issues in LiNiO 2 (Chen et al. 2014; Ohzuku et al. 1993), which is hard to prepare due to the difficulties in controlling stoichiometry, Li/Ni order…
4	2	1	35	#/texts/33	page_header	page_header	False	low	docling_page_header	docling_page_header						False	None	top_margin	column_1_of_2	1	2	p4:top_margin:column_1_of_2:white	[255, 255, 255]	white	False	False	[46.77, 34.25, 12.51, 7.44]	160	160
4	3	2	36	#/texts/34	page_header	page_header	False	low	docling_page_header	docling_page_header						False	None	top_margin	column_1_of_2	1	2	p4:top_margin:column_1_of_2:white	[255, 255, 255]	white	False	False	[67.64, 34.25, 42.14, 7.35]	Page 4 of 40	Page 4 of 40
4	5	3	37	#/texts/36	caption	caption	False	low	outside_body_flow_caption	outside_body_flow_caption						False	None	page_body	column_1_of_2	1	2	p4:page_body:column_1_of_2:white	[255, 255, 255]	white	False	False	[46.77, 182.33, 215.42, 27.25]	Fig. 2 a Crystal structure of layered LiMO2. Reproduced from ref. (Chen et al. 2016) with permission. b Cycling profile of layered LiMnO2. Reproduced from ref. (Armstrong and Bruce	Fig. 2 a Crystal structure of layered LiMO2. Reproduced from ref. (Chen et al. 2016) with permission. b Cycling profile of layered LiMnO2. Reproduced from ref. (Armstrong and Bruce
4	1	4	38	#/texts/32#prov1	text	body	True	None	body	body						False	None	page_body	column_1_of_2	1	2	p4:page_body:column_1_of_2:white	[255, 255, 255]	white	False	False	[46.77, 231.0, 215.5, 70.9]	the use of an ion-exchange process to prepare highquality LiNi0.5Mn0.5O2 with very low little intralayer disordering, which could maintain a capacity of ∼ 180 mAh g -1 even at a high rate of 6 °C (Kang et al. 2006). How…	the use of an ion-exchange process to prepare highquality LiNi0.5Mn0.5O2 with very low little intralayer disordering, which could maintain a capacity of ∼ 180 mAh g -1 even at a high rate of 6 °C (Kang et al. 2006). How…
4	6	5	39	#/texts/37	text	body	True	None	body	body						False	None	page_body	column_1_of_2	1	2	p4:page_body:column_1_of_2:white	[255, 255, 255]	white	False	False	[46.77, 305.73, 215.48, 207.86]	Meanwhile, researchers investigated the cosubstitution of Co and Mn for better structural stability. In 2001, Ohzuku et al. reported the isometric LiNi1/3Mn1/3Co1/3O2 (NMC111) cathode, which demonstrated a rechargeable …	Meanwhile, researchers investigated the cosubstitution of Co and Mn for better structural stability. In 2001, Ohzuku et al. reported the isometric LiNi1/3Mn1/3Co1/3O2 (NMC111) cathode, which demonstrated a rechargeable …
4	7	6	40	#/texts/38	section_header	body_heading	False	low	body_heading	body_heading						False	None	page_body	column_1_of_2	1	2	p4:page_body:column_1_of_2:white	[255, 255, 255]	white	False	False	[46.78, 530.12, 29.02, 9.66]	LiFeO2	LiFeO2
4	8	7	41	#/texts/39#prov0	text	body	True	None	body	body						False	None	page_body	column_1_of_2	1	2	p4:page_body:column_1_of_2:white	[255, 255, 255]	white	False	False	[46.77, 555.06, 215.53, 108.26]	In principle, the structure of LiMO 2 is dependent on the size of the M cation (Shirane et al. 1995). When Co is substituted by similarly smaller M cations, such as V 3+ , Cr 3+ , Ni 3+ , the layered rock-salt structure…	In principle, the structure of LiMO 2 is dependent on the size of the M cation (Shirane et al. 1995). When Co is substituted by similarly smaller M cations, such as V 3+ , Cr 3+ , Ni 3+ , the layered rock-salt structure…
4	4	8	42	#/texts/35	page_header	page_header	False	low	docling_page_header	docling_page_header						True	p4:body_region:0	top_margin	column_2_of_2	2	2	p4:top_margin:column_2_of_2:white	[255, 255, 255]	white	False	False	[398.16, 34.25, 102.12, 7.35]	J Nanopart Res (2018) 20: 160	J Nanopart Res (2018) 20: 160
4	10	9	43	#/texts/40	caption	caption	False	low	outside_body_flow_caption	outside_body_flow_caption						True	p4:body_region:0	page_body	column_2_of_2	2	2	p4:page_body:column_2_of_2:white	[255, 255, 255]	white	False	False	[284.88, 182.33, 215.53, 27.25]	1996) with permission. c Structural illustration and voltage profiles of orthorhombic LiMnO2. Reproduced from ref. (Croguennec et al. 1997b) and ref. (He et al. 2010) with permissions	1996) with permission. c Structural illustration and voltage profiles of orthorhombic LiMnO2. Reproduced from ref. (Croguennec et al. 1997b) and ref. (He et al. 2010) with permissions
4	9	10	44	#/texts/39#prov1	text	body	True	None	body	body						True	p4:body_region:0	page_body	column_2_of_2	2	2	p4:page_body:column_2_of_2:white	[255, 255, 255]	white	False	False	[284.87, 231.0, 215.44, 95.79]	conditions (Catti and Montero-Campillo 2011). Those include disordered rock salt α phase and its derivate (Tabuchi et al. 1995), layered O3 phase (Shirane et al. 1995), corrugated layered phase (orthorhombic), goethite-…	conditions (Catti and Montero-Campillo 2011). Those include disordered rock salt α phase and its derivate (Tabuchi et al. 1995), layered O3 phase (Shirane et al. 1995), corrugated layered phase (orthorhombic), goethite-…
4	11	11	45	#/texts/41	text	body	True	None	body	body						True	p4:body_region:0	page_body	column_2_of_2	2	2	p4:page_body:column_2_of_2:white	[255, 255, 255]	white	False	False	[284.87, 330.61, 215.52, 195.45]	The electrochemical performance of LiFeO2 is strongly related to the crystal structure, which decides the Li + pathway during the reaction. For example, bulk α -LiFeO2 obtained by solid state reaction is found to be ele…	The electrochemical performance of LiFeO2 is strongly related to the crystal structure, which decides the Li + pathway during the reaction. For example, bulk α -LiFeO2 obtained by solid state reaction is found to be ele…
4	12	12	46	#/texts/42	text	body	True	None	body	body						True	p4:body_region:0	page_body	column_2_of_2	2	2	p4:page_body:column_2_of_2:white	[255, 255, 255]	white	False	False	[284.87, 529.89, 215.54, 134.16]	Though electrochemical activities have repeatedly been demonstrated for LiFeO2 with different phases, a critical issue is the abnormal redox reaction. Different from the reversible Li + intercalation/deintercalation in …	Though electrochemical activities have repeatedly been demonstrated for LiFeO2 with different phases, a critical issue is the abnormal redox reaction. Different from the reversible Li + intercalation/deintercalation in …
5	1	1	47	#/texts/43	page_header	page_header	False	low	docling_page_header	docling_page_header						False	None	top_margin	column_1_of_2	1	2	p5:top_margin:column_1_of_2:white	[255, 255, 255]	white	False	False	[46.77, 34.25, 102.17, 7.35]	J Nanopart Res (2018) 20: 160	J Nanopart Res (2018) 20: 160
5	2	2	48	#/texts/44	page_header	page_header	False	low	docling_page_header	docling_page_header						False	None	top_margin	column_2_of_2	2	2	p5:top_margin:column_2_of_2:white	[255, 255, 255]	white	False	True	[437.38, 34.25, 62.91, 7.44]	Page 5 of 40 160	Page 5 of 40 160
5	3	3	49	#/texts/45	caption	caption	False	low	outside_body_flow_caption	outside_body_flow_caption						False	None	page_body	column_1_of_2	1	2	p5:page_body:column_1_of_2:white	[255, 255, 255]	white	False	False	[46.77, 277.12, 453.51, 17.33]	Fig. 3 a , b Charge/discharge curves of LiFeO2 ( a ) and oxygen-deficient LiFeO2-x ( b ). c XRD pattern of cycled O3-type LiFeO2. Reproduced from ref. (Hirayama et al. 2011) with permission	Fig. 3 a , b Charge/discharge curves of LiFeO2 ( a ) and oxygen-deficient LiFeO2-x ( b ). c XRD pattern of cycled O3-type LiFeO2. Reproduced from ref. (Hirayama et al. 2011) with permission
5	4	4	50	#/texts/46	text	body	True	None	body	body						False	None	page_body	column_1_of_2	1	2	p5:page_body:column_1_of_2:white	[255, 255, 255]	white	False	False	[46.77, 318.31, 215.44, 158.09]	(Hirayama et al. 2011). As shown in Fig. 3, large voltage hysteresis is identified in the first cycle of LiFeO2, and the following profiles are similar with initially reduced LiFeO2-x. X-ray diffraction (XRD) patterns a…	(Hirayama et al. 2011). As shown in Fig. 3, large voltage hysteresis is identified in the first cycle of LiFeO2, and the following profiles are similar with initially reduced LiFeO2-x. X-ray diffraction (XRD) patterns a…
5	5	5	51	#/texts/47	section_header	body_heading	False	low	body_heading	body_heading						False	None	page_body	column_1_of_2	1	2	p5:page_body:column_1_of_2:white	[255, 255, 255]	white	False	False	[46.77, 492.76, 89.77, 8.65]	Li2MnO3-based oxides	Li2MnO3-based oxides
5	6	6	52	#/texts/48#prov0	text	body	True	None	body	body						False	None	page_body	column_1_of_2	1	2	p5:page_body:column_1_of_2:white	[255, 255, 255]	white	False	False	[46.77, 517.7, 215.49, 146.58]	With the low-cost constitution and very high deliverable capacities exceeding 250 mAh g -1 , Li2MnO3-based layered oxides are considered as one of the most promising cathode candidates for next-generation LIBs (Thackera…	With the low-cost constitution and very high deliverable capacities exceeding 250 mAh g -1 , Li2MnO3-based layered oxides are considered as one of the most promising cathode candidates for next-generation LIBs (Thackera…
5	7	7	53	#/texts/48#prov1	text	body	True	None	body	body						False	None	page_body	column_2_of_2	2	2	p5:page_body:column_2_of_2:white	[255, 255, 255]	white	False	False	[284.88, 318.31, 215.51, 158.09]	class of Li- and Mn-rich layered oxides (LMRs), which is deemed as either a single-phase solid solution (Jarvis et al. 2012; Koga et al. 2012; Shukla et al. 2015) expressed as Li(Li 1/3-2x/3MxMn2/3-x/3)O2 or a structura…	class of Li- and Mn-rich layered oxides (LMRs), which is deemed as either a single-phase solid solution (Jarvis et al. 2012; Koga et al. 2012; Shukla et al. 2015) expressed as Li(Li 1/3-2x/3MxMn2/3-x/3)O2 or a structura…
5	8	8	54	#/texts/49	text	body	True	None	body	body						False	None	page_body	column_2_of_2	2	2	p5:page_body:column_2_of_2:white	[255, 255, 255]	white	False	False	[284.88, 480.17, 215.54, 183.04]	The electrochemical properties of LMRs are highly associated with a unique activation behavior. The typical first charge profile involves several steps (Erickson et al. 2017). Below 4.4 V is a Li extraction from the Li-…	The electrochemical properties of LMRs are highly associated with a unique activation behavior. The typical first charge profile involves several steps (Erickson et al. 2017). Below 4.4 V is a Li extraction from the Li-…
6	1	1	55	#/texts/50	page_header	page_header	False	low	docling_page_header	docling_page_header						False	None	top_margin	left	None	None	p6:top_margin:left:white	[255, 255, 255]	white	False	False	[46.77, 34.25, 12.51, 7.44]	160	160
6	2	2	56	#/texts/51	page_header	page_header	False	low	docling_page_header	docling_page_header						False	None	top_margin	left	None	None	p6:top_margin:left:white	[255, 255, 255]	white	False	False	[67.64, 34.25, 42.14, 7.35]	Page 6 of 40	Page 6 of 40
6	3	3	57	#/texts/52	page_header	page_header	False	low	docling_page_header	docling_page_header						False	None	top_margin	right	None	None	p6:top_margin:right:white	[255, 255, 255]	white	False	False	[398.16, 34.25, 102.12, 7.35]	J Nanopart Res (2018) 20: 160	J Nanopart Res (2018) 20: 160
7	1	1	58	#/texts/53	page_header	page_header	False	low	docling_page_header	docling_page_header						True	p7:body_region:0	top_margin	column_1_of_2	1	2	p7:top_margin:column_1_of_2:white	[255, 255, 255]	white	False	False	[46.77, 34.25, 102.17, 7.35]	J Nanopart Res (2018) 20: 160	J Nanopart Res (2018) 20: 160
7	3	2	59	#/texts/55	text	body	True	None	body	body						True	p7:body_region:0	top_margin	column_1_of_2	1	2	p7:top_margin:column_1_of_2:white	[255, 255, 255]	white	False	False	[36.79, 53.66, 225.45, 100.76]	 Fig. 4 a Crystal structure of monoclinic Li2MO3. Reproduced from ref. (Mohanty et al. 2013) with permission. b Charge voltage profile of a model LMR, 0.35LiMn2O3 · 0.65LiMn0.45Ni0.35Co0.20O2 with the illustration of s…	 Fig. 4 a Crystal structure of monoclinic Li2MO3. Reproduced from ref. (Mohanty et al. 2013) with permission. b Charge voltage profile of a model LMR, 0.35LiMn2O3 · 0.65LiMn0.45Ni0.35Co0.20O2 with the illustration of s…
7	4	3	60	#/texts/56	text	body	True	None	body	body						True	p7:body_region:0	page_body	column_1_of_2	1	2	p7:page_body:column_1_of_2:white	[255, 255, 255]	white	False	False	[46.77, 174.82, 215.51, 182.97]	material, Li1.87Mn0.94Ni0.19O3, the Li2MnO3 activation process took dozens of cycles (Fig. 1d). By combining the electrochemical measurements with material characterisation including in-situ XRD and high-angle annularda…	material, Li1.87Mn0.94Ni0.19O3, the Li2MnO3 activation process took dozens of cycles (Fig. 1d). By combining the electrochemical measurements with material characterisation including in-situ XRD and high-angle annularda…
7	5	4	61	#/texts/57	text	body	True	None	body	body						True	p7:body_region:0	page_body	column_1_of_2	1	2	p7:page_body:column_1_of_2:white	[255, 255, 255]	white	False	False	[46.78, 361.62, 215.56, 145.61]	As a promising cathode candidate that has been under the spotlight in past years, extensive work has been conducted to understand the local crystal structure, structural evolution, electrochemical behavior of LMRs, and …	As a promising cathode candidate that has been under the spotlight in past years, extensive work has been conducted to understand the local crystal structure, structural evolution, electrochemical behavior of LMRs, and …
7	6	5	62	#/texts/58	section_header	body_heading	False	low	body_heading	body_heading						True	p7:body_region:0	page_body	column_1_of_2	1	2	p7:page_body:column_1_of_2:white	[255, 255, 255]	white	False	False	[46.78, 530.11, 36.61, 9.67]	LiMn2O4	LiMn2O4
7	7	6	63	#/texts/59#prov0	text	body	True	None	body	body						True	p7:body_region:0	page_body	column_1_of_2	1	2	p7:page_body:column_1_of_2:white	[255, 255, 255]	white	False	False	[46.77, 555.06, 215.52, 108.26]	Spinel LiMn2O4 is another classic cathode material for LIBs, of which Thackeray et al. have studied the lithium insertion/deinsertion properties since the 1980s (Thackeray et al. 1983, 1984). Different from the layered …	Spinel LiMn2O4 is another classic cathode material for LIBs, of which Thackeray et al. have studied the lithium insertion/deinsertion properties since the 1980s (Thackeray et al. 1983, 1984). Different from the layered …
7	2	7	64	#/texts/54	page_header	page_header	False	low	docling_page_header	docling_page_header						True	p7:body_region:1	top_margin	column_2_of_2	2	2	p7:top_margin:column_2_of_2:white	[255, 255, 255]	white	False	True	[437.38, 34.25, 62.91, 7.44]	Page 7 of 40 160	Page 7 of 40 160
7	8	8	65	#/texts/59#prov1	text	body	True	None	body	body						True	p7:body_region:1	page_body	column_2_of_2	2	2	p7:page_body:column_2_of_2:white	[255, 255, 255]	white	False	False	[284.88, 56.91, 215.54, 282.64]	concentration of Li ions in the spinel body (Li/Mn = 1:2) results in only half of the theoretical specific capacity (146 mAh g -1 ) of layered LiMO2, attributing to the lowcost, stable, and kinetic Mn-based 3D spinel fr…	concentration of Li ions in the spinel body (Li/Mn = 1:2) results in only half of the theoretical specific capacity (146 mAh g -1 ) of layered LiMO2, attributing to the lowcost, stable, and kinetic Mn-based 3D spinel fr…
7	9	9	66	#/texts/60#prov0	text	body	True	None	body	body						True	p7:body_region:1	page_body	column_2_of_2	2	2	p7:page_body:column_2_of_2:white	[255, 255, 255]	white	False	False	[284.88, 343.31, 215.55, 320.13]	Apart from the relatively low energy density, the other most claimed issue is the limited cycle life of LiMn2O4 due to Mn ions ' dissolution, especially under elevated temperatures (Jang et al. 1996; Xia et al. 1997). P…	Apart from the relatively low energy density, the other most claimed issue is the limited cycle life of LiMn2O4 due to Mn ions ' dissolution, especially under elevated temperatures (Jang et al. 1996; Xia et al. 1997). P…
8	2	1	67	#/texts/61	page_header	page_header	False	low	docling_page_header	docling_page_header						False	None	top_margin	column_1_of_2	1	2	p8:top_margin:column_1_of_2:white	[255, 255, 255]	white	False	False	[46.77, 34.25, 12.51, 7.44]	160	160
8	3	2	68	#/texts/62	page_header	page_header	False	low	docling_page_header	docling_page_header						False	None	top_margin	column_1_of_2	1	2	p8:top_margin:column_1_of_2:white	[255, 255, 255]	white	False	False	[67.64, 34.25, 42.14, 7.35]	Page 8 of 40	Page 8 of 40
8	4	3	69	#/texts/63	page_header	page_header	False	low	docling_page_header	docling_page_header						False	None	top_margin	column_2_of_2	2	2	p8:top_margin:column_2_of_2:white	[255, 255, 255]	white	False	False	[398.16, 34.25, 102.12, 7.35]	J Nanopart Res (2018) 20: 160	J Nanopart Res (2018) 20: 160
8	5	4	70	#/texts/64	caption	caption	False	low	outside_body_flow_caption	outside_body_flow_caption						False	None	page_body	column_1_of_2	1	2	p8:page_body:column_1_of_2:white	[255, 255, 255]	white	False	False	[46.76, 351.44, 453.57, 18.81]	Fig. 5 a Crystal structure of spinel LiMn2O4. Reproduced from ref. (Chen et al. 2016) with permission. b -e Schematic diagram of the composites and the corresponding electrochemical performance. Reproduced from ref. (Le…	Fig. 5 a Crystal structure of spinel LiMn2O4. Reproduced from ref. (Chen et al. 2016) with permission. b -e Schematic diagram of the composites and the corresponding electrochemical performance. Reproduced from ref. (Le…
8	1	5	71	#/texts/60#prov1	text	body	True	None	body	body						False	None	page_body	column_1_of_2	1	2	p8:page_body:column_1_of_2:white	[255, 255, 255]	white	False	False	[46.77, 393.15, 215.51, 33.59]	packed composites composed of carbon coated nanosized Li1.015Al0.06Mn1.925O4, maintained 84.5% of the initial capacity over 5000 cycles (Lee et al. 2017).	packed composites composed of carbon coated nanosized Li1.015Al0.06Mn1.925O4, maintained 84.5% of the initial capacity over 5000 cycles (Lee et al. 2017).
8	6	6	72	#/texts/65	section_header	body_heading	False	low	body_heading	body_heading						False	None	page_body	column_1_of_2	1	2	p8:page_body:column_1_of_2:white	[255, 255, 255]	white	False	False	[46.76, 442.98, 60.78, 9.61]	LiNi0.5Mn1.5O4	LiNi0.5Mn1.5O4
8	7	7	73	#/texts/66	text	body	True	None	body	body						False	None	page_body	column_1_of_2	1	2	p8:page_body:column_1_of_2:white	[255, 255, 255]	white	False	False	[46.77, 467.87, 215.55, 195.45]	Substitution of Mn in LiMn2O4 by low-valance metal ions (Co 3+ (Kawai et al. 1998), Cr 3+ (Sigala et al. 1995), Ni 2+ (Zhong et al. 1997), Fe 3+ (Amine et al. 1997), Cu 2+ (Ein-Eli et al. 1998), etc.) was initially desi…	Substitution of Mn in LiMn2O4 by low-valance metal ions (Co 3+ (Kawai et al. 1998), Cr 3+ (Sigala et al. 1995), Ni 2+ (Zhong et al. 1997), Fe 3+ (Amine et al. 1997), Cu 2+ (Ein-Eli et al. 1998), etc.) was initially desi…
8	8	8	74	#/texts/67	text	body	True	None	body	body						False	None	page_body	column_2_of_2	2	2	p8:page_body:column_2_of_2:white	[255, 255, 255]	white	False	False	[284.87, 393.15, 215.53, 220.33]	12d sites to accommodate Ni and Mn ions, known as an ordered phase (Kim et al. 2004; Liu et al. 2012a). It is accepted that oxygen stoichiometry plays a leading role to determine the phase. In an oxygen-stoichiometric L…	12d sites to accommodate Ni and Mn ions, known as an ordered phase (Kim et al. 2004; Liu et al. 2012a). It is accepted that oxygen stoichiometry plays a leading role to determine the phase. In an oxygen-stoichiometric L…
8	9	9	75	#/texts/68#prov0	text	body	True	None	body	body						False	None	page_body	column_2_of_2	2	2	p8:page_body:column_2_of_2:white	[255, 255, 255]	white	False	False	[284.88, 617.31, 215.53, 46.01]	Previously, with the aid of high-resolution transmission electron microscope (HR-TEM) imaging and energy-dispersive X-ray spectroscopy (EDS) elemental scanning, we observed minor P4332 phase on the edge	Previously, with the aid of high-resolution transmission electron microscope (HR-TEM) imaging and energy-dispersive X-ray spectroscopy (EDS) elemental scanning, we observed minor P4332 phase on the edge
9	2	1	76	#/texts/69	page_header	page_header	False	low	docling_page_header	docling_page_header						False	None	top_margin	column_1_of_2	1	2	p9:top_margin:column_1_of_2:white	[255, 255, 255]	white	False	False	[46.77, 34.25, 102.17, 7.35]	J Nanopart Res (2018) 20: 160	J Nanopart Res (2018) 20: 160
9	1	2	77	#/texts/68#prov1	text	body	True	None	body	body						False	None	page_body	column_1_of_2	1	2	p9:page_body:column_1_of_2:white	[255, 255, 255]	white	False	False	[46.76, 56.9, 215.55, 195.45]	of Fd-3m body coupled with the different Mn/Ni ratio in the naturally cooled sample (Fig. 6c). As shown in Fig. 6d, both the samples delivered favorable rate and cycling performances. The role of the crystal phase may b…	of Fd-3m body coupled with the different Mn/Ni ratio in the naturally cooled sample (Fig. 6c). As shown in Fig. 6d, both the samples delivered favorable rate and cycling performances. The role of the crystal phase may b…
9	4	3	78	#/texts/71#prov0	text	body	True	None	body	body						False	None	page_body	column_1_of_2	1	2	p9:page_body:column_1_of_2:white	[255, 255, 255]	white	False	False	[46.77, 256.18, 215.55, 407.14]	Perhaps the biggest barrier preventing LNMO from the practical application is the lack of long-cycling reliability. LNMO was initially introduced to prolong the cyclability of primary LiMn2O4 spinel. However, the exploi…	Perhaps the biggest barrier preventing LNMO from the practical application is the lack of long-cycling reliability. LNMO was initially introduced to prolong the cyclability of primary LiMn2O4 spinel. However, the exploi…
9	3	4	79	#/texts/70	page_header	page_header	False	low	docling_page_header	docling_page_header						False	None	top_margin	column_2_of_2	2	2	p9:top_margin:column_2_of_2:white	[255, 255, 255]	white	False	True	[437.38, 34.25, 62.91, 7.44]	Page 9 of 40 160	Page 9 of 40 160
9	5	5	80	#/texts/71#prov1	text	body	True	None	body	body						False	None	page_body	column_2_of_2	2	2	p9:page_body:column_2_of_2:white	[255, 255, 255]	white	False	False	[284.87, 56.9, 215.53, 295.05]	coating is to reduce the side reactions by creating artificial electrode/electrolyte interfaces. A wide variety of doping elementals (e.g., Na + , Mg 2+ , Cu 2+ , Zn 2+ , Al 3+ , Cr 3+ , Co 3+ , Ti 4+ , F -) and coating…	coating is to reduce the side reactions by creating artificial electrode/electrolyte interfaces. A wide variety of doping elementals (e.g., Na + , Mg 2+ , Cu 2+ , Zn 2+ , Al 3+ , Cr 3+ , Co 3+ , Ti 4+ , F -) and coating…
9	6	6	81	#/texts/72	section_header	body_heading	False	low	body_heading	body_heading						False	None	page_body	column_2_of_2	2	2	p9:page_body:column_2_of_2:white	[255, 255, 255]	white	False	False	[284.87, 380.67, 200.92, 21.22]	Fe- and Mn-based polyanion compounds as LIB cathodes	Fe- and Mn-based polyanion compounds as LIB cathodes
9	7	7	82	#/texts/73	text	body	True	None	body	body						False	None	page_body	column_2_of_2	2	2	p9:page_body:column_2_of_2:white	[255, 255, 255]	white	False	False	[284.87, 418.02, 215.53, 158.1]	Represented by LiFePO4, polyanion cathode materials are typically 3D structured compounds constructed by corner- and/or edge-shared M-O and X-O (X = P, S, As, Mo, or W) polyhedrons. These frameworks afford much better s…	Represented by LiFePO4, polyanion cathode materials are typically 3D structured compounds constructed by corner- and/or edge-shared M-O and X-O (X = P, S, As, Mo, or W) polyhedrons. These frameworks afford much better s…
9	8	8	83	#/texts/74	section_header	body_heading	False	low	body_heading	body_heading						False	None	page_body	column_2_of_2	2	2	p9:page_body:column_2_of_2:white	[255, 255, 255]	white	False	False	[284.88, 592.42, 116.98, 8.65]	Fe- and Mn-based phosphates	Fe- and Mn-based phosphates
9	9	9	84	#/texts/75#prov0	text	body	True	None	body	body						False	None	page_body	column_2_of_2	2	2	p9:page_body:column_2_of_2:white	[255, 255, 255]	white	False	False	[284.88, 617.31, 215.47, 46.01]	Olivine LiFePO4 (LFP) is the most successful polyanion cathode material, attributing to its lowcost and non-toxic constitution, appreciable capacity ( ca . 170 mAh g -1 ) and excellent thermal and	Olivine LiFePO4 (LFP) is the most successful polyanion cathode material, attributing to its lowcost and non-toxic constitution, appreciable capacity ( ca . 170 mAh g -1 ) and excellent thermal and
10	3	1	85	#/texts/76	page_header	page_header	False	low	docling_page_header	docling_page_header						False	None	top_margin	column_1_of_2	1	2	p10:top_margin:column_1_of_2:white	[255, 255, 255]	white	False	False	[46.77, 34.25, 12.51, 7.44]	160	160
10	4	2	86	#/texts/77	page_header	page_header	False	low	docling_page_header	docling_page_header						False	None	top_margin	column_1_of_2	1	2	p10:top_margin:column_1_of_2:white	[255, 255, 255]	white	False	False	[67.64, 34.25, 46.28, 7.35]	Page 10 of 40	Page 10 of 40
10	6	3	87	#/texts/79	caption	caption	False	low	outside_body_flow_caption	outside_body_flow_caption						False	None	page_body	column_1_of_2	1	2	p10:page_body:column_1_of_2:white	[255, 255, 255]	white	False	False	[46.77, 380.87, 215.56, 37.31]	Fig. 6 a Comparison of the two structural configurations in LNMO. Reproduced from ref. (Liu et al. 2012a) with permission. b Typical charge/discharge curves of LNMO with the two phases. Reproduced from ref. (Wang et al.…	Fig. 6 a Comparison of the two structural configurations in LNMO. Reproduced from ref. (Liu et al. 2012a) with permission. b Typical charge/discharge curves of LNMO with the two phases. Reproduced from ref. (Wang et al.…
10	1	4	88	#/texts/75#prov1	text	body	True	None	body	body						False	None	page_body	column_1_of_2	1	2	p10:page_body:column_1_of_2:white	[255, 255, 255]	white	False	False	[46.76, 442.98, 215.48, 220.33]	structural stability. The key drawbacks of LiFePO4 are inferior electric conductivity ( ca . 10 -9 S cm -1 ), the selective one-dimensional (1D) lithium pathway (Fig. 7a), and low gravimetric and volumetric energy densi…	structural stability. The key drawbacks of LiFePO4 are inferior electric conductivity ( ca . 10 -9 S cm -1 ), the selective one-dimensional (1D) lithium pathway (Fig. 7a), and low gravimetric and volumetric energy densi…
10	5	5	89	#/texts/78	page_header	page_header	False	low	docling_page_header	docling_page_header						False	None	top_margin	column_2_of_2	2	2	p10:top_margin:column_2_of_2:white	[255, 255, 255]	white	False	False	[398.16, 34.25, 102.12, 7.35]	J Nanopart Res (2018) 20: 160	J Nanopart Res (2018) 20: 160
10	7	6	90	#/texts/80	caption	caption	False	low	outside_body_flow_caption	outside_body_flow_caption						False	None	page_body	column_2_of_2	2	2	p10:page_body:column_2_of_2:white	[255, 255, 255]	white	False	False	[284.9, 380.87, 215.49, 37.23]	Structural characteristics and electrochemical properties on the basis of our prepared samples. e , f Outstanding capacity retention achieved by using lithium phosphorus oxynitride solid electrolyte. Reproduced from ref…	Structural characteristics and electrochemical properties on the basis of our prepared samples. e , f Outstanding capacity retention achieved by using lithium phosphorus oxynitride solid electrolyte. Reproduced from ref…
10	2	7	91	#/texts/75#prov2	text	body	True	None	body	body						False	None	page_body	column_2_of_2	2	2	p10:page_body:column_2_of_2:white	[255, 255, 255]	white	False	False	[284.88, 442.98, 215.47, 220.34]	new feasible strategies. For example, Paolella et al. reported the use of LiPF6 treatment to make LFP nanocrystals hydrophilic, thereby enabling carbon coating uniformly (Paolella et al. 2014). Compared with surface mod…	new feasible strategies. For example, Paolella et al. reported the use of LiPF6 treatment to make LFP nanocrystals hydrophilic, thereby enabling carbon coating uniformly (Paolella et al. 2014). Compared with surface mod…
11	1	1	92	#/texts/81	page_header	page_header	False	low	docling_page_header	docling_page_header						False	None	top_margin	left	None	None	p11:top_margin:left:white	[255, 255, 255]	white	False	False	[46.77, 34.25, 102.17, 7.35]	J Nanopart Res (2018) 20: 160	J Nanopart Res (2018) 20: 160
11	2	2	93	#/texts/82	page_header	page_header	False	low	docling_page_header	docling_page_header						False	None	top_margin	right	None	None	p11:top_margin:right:white	[255, 255, 255]	white	False	True	[433.53, 34.25, 66.76, 7.44]	Page 11 of 40 160	Page 11 of 40 160
11	3	3	94	#/texts/83	caption	caption	False	low	outside_body_flow_caption	outside_body_flow_caption						False	None	top_margin	left	None	None	p11:top_margin:left:white	[255, 255, 255]	white	False	False	[46.77, 54.43, 110.66, 316.15]	Fig. 7 a Crystal structure of spinel LiMn2O4. Reproduced from ref. (Chen et al. 2016) with permission. b High-rate discharge capability of LiFe 0.9P0.95O4δ . Reproduced from ref. (Kang and Ceder 2009) with permission. c…	Fig. 7 a Crystal structure of spinel LiMn2O4. Reproduced from ref. (Chen et al. 2016) with permission. b High-rate discharge capability of LiFe 0.9P0.95O4δ . Reproduced from ref. (Kang and Ceder 2009) with permission. c…
12	1	1	95	#/texts/84	page_header	page_header	False	low	docling_page_header	docling_page_header						False	None	top_margin	column_1_of_2	1	2	p12:top_margin:column_1_of_2:white	[255, 255, 255]	white	False	False	[46.77, 34.25, 12.51, 7.44]	160	160
12	2	2	96	#/texts/85	page_header	page_header	False	low	docling_page_header	docling_page_header						False	None	top_margin	column_1_of_2	1	2	p12:top_margin:column_1_of_2:white	[255, 255, 255]	white	False	False	[67.64, 34.25, 46.28, 7.35]	Page 12 of 40	Page 12 of 40
12	4	3	97	#/texts/87	text	body	True	None	body	body						False	None	page_body	column_1_of_2	1	2	p12:page_body:column_1_of_2:white	[255, 255, 255]	white	False	False	[46.77, 56.9, 215.51, 58.48]	480 °C by developing ultra-small core-shell nanocomposites (Naoi et al. 2016). The charge/discharge curves are dominated by the sloping pseudocapacitive behavior (Fig. 7c), and the rate capability is generated at the la…	480 °C by developing ultra-small core-shell nanocomposites (Naoi et al. 2016). The charge/discharge curves are dominated by the sloping pseudocapacitive behavior (Fig. 7c), and the rate capability is generated at the la…
12	5	4	98	#/texts/88	text	body	True	None	body	body						False	None	page_body	column_1_of_2	1	2	p12:page_body:column_1_of_2:white	[255, 255, 255]	white	False	False	[46.77, 119.21, 215.54, 481.86]	The gravimetric and volumetric energy densities are restricted from the essential redox reaction and atom density in the crystal structure. Even though the inductive effect from the PO4 3 -elevates the Fe 2+ /Fe 3+ redo…	The gravimetric and volumetric energy densities are restricted from the essential redox reaction and atom density in the crystal structure. Even though the inductive effect from the PO4 3 -elevates the Fe 2+ /Fe 3+ redo…
12	6	5	99	#/texts/89#prov0	text	body	True	None	body	body						False	None	page_body	column_1_of_2	1	2	p12:page_body:column_1_of_2:white	[255, 255, 255]	white	False	False	[46.77, 604.84, 215.51, 58.48]	Another effective approach to boost the kinetics of LMP is Fe-substitution. The as-formed LiFe1-xMnxPO4 solid solutions (LFMP) combines the dynamics of LFP and high energy density of LMP, and they are considered as the …	Another effective approach to boost the kinetics of LMP is Fe-substitution. The as-formed LiFe1-xMnxPO4 solid solutions (LFMP) combines the dynamics of LFP and high energy density of LMP, and they are considered as the …
12	3	6	100	#/texts/86	page_header	page_header	False	low	docling_page_header	docling_page_header						False	None	top_margin	column_2_of_2	2	2	p12:top_margin:column_2_of_2:white	[255, 255, 255]	white	False	False	[398.16, 34.25, 102.12, 7.35]	J Nanopart Res (2018) 20: 160	J Nanopart Res (2018) 20: 160
12	7	7	101	#/texts/89#prov1	text	body	True	None	body	body						False	None	page_body	column_2_of_2	2	2	p12:page_body:column_2_of_2:white	[255, 255, 255]	white	False	False	[284.88, 56.9, 215.54, 432.09]	which have received much attention from investigators (Kim et al. 2016b; Li et al. 2013; Martha et al. 2009a; Wang et al. 2011a; Yan et al. 2015; Yang et al. 2015c). Yamada et al. (Yamada et al. 2001) and Ravnsbæk et al…	which have received much attention from investigators (Kim et al. 2016b; Li et al. 2013; Martha et al. 2009a; Wang et al. 2011a; Yan et al. 2015; Yang et al. 2015c). Yamada et al. (Yamada et al. 2001) and Ravnsbæk et al…
12	8	8	102	#/texts/90	text	body	True	None	body	body						False	None	page_body	column_2_of_2	2	2	p12:page_body:column_2_of_2:white	[255, 255, 255]	white	False	False	[284.88, 492.75, 215.5, 95.84]	Apart from the olivine-type structure, the lithium metal phosphates can also exist as NASICON, antiNASICON, alluaudite, pyrophosphate, tavorite, and even amorphous phases with varied composition (Masquelier and Croguenn…	Apart from the olivine-type structure, the lithium metal phosphates can also exist as NASICON, antiNASICON, alluaudite, pyrophosphate, tavorite, and even amorphous phases with varied composition (Masquelier and Croguenn…
12	9	9	103	#/texts/91	section_header	body_heading	False	low	body_heading	body_heading						False	None	page_body	column_2_of_2	2	2	p12:page_body:column_2_of_2:white	[255, 255, 255]	white	False	False	[284.88, 604.83, 104.52, 8.65]	Fe- and Mn-based silicates	Fe- and Mn-based silicates
12	10	10	104	#/texts/92#prov0	text	body	True	None	body	body						False	None	page_body	column_2_of_2	2	2	p12:page_body:column_2_of_2:white	[255, 255, 255]	white	False	False	[284.88, 629.78, 215.45, 33.53]	Encouraged by the success of phosphate, other polyanion compounds are successively explored to function as cathode materials for LIBs. Particularly, lithium	Encouraged by the success of phosphate, other polyanion compounds are successively explored to function as cathode materials for LIBs. Particularly, lithium
13	2	1	105	#/texts/93	page_header	page_header	False	low	docling_page_header	docling_page_header						False	None	top_margin	column_1_of_2	1	2	p13:top_margin:column_1_of_2:white	[255, 255, 255]	white	False	False	[46.77, 34.25, 102.17, 7.35]	J Nanopart Res (2018) 20: 160	J Nanopart Res (2018) 20: 160
13	1	2	106	#/texts/92#prov1	text	body	True	None	body	body						False	None	page_body	column_1_of_2	1	2	p13:page_body:column_1_of_2:white	[255, 255, 255]	white	False	False	[46.76, 56.9, 215.47, 183.04]	silicates Li 2 MSiO4 are very attractive as they potentially afford a two-electron reaction with a theoretical capacity of 332 mAh g -1 . The structures are composed of tetragonally packed oxygen ions (a distorted form …	silicates Li 2 MSiO4 are very attractive as they potentially afford a two-electron reaction with a theoretical capacity of 332 mAh g -1 . The structures are composed of tetragonally packed oxygen ions (a distorted form …
13	4	3	107	#/texts/95	text	body	True	None	body	body						False	None	page_body	column_1_of_2	1	2	p13:page_body:column_1_of_2:white	[255, 255, 255]	white	False	False	[46.77, 243.7, 215.52, 344.89]	The slow Li reaction kinetics are due to the frustrated ion migration in the complex lattices as well as the separated M redox centers, resulting in extremely low electronic conductivity ( ∼ 5 × 10 -16 S cm -1 for Li2Mn…	The slow Li reaction kinetics are due to the frustrated ion migration in the complex lattices as well as the separated M redox centers, resulting in extremely low electronic conductivity ( ∼ 5 × 10 -16 S cm -1 for Li2Mn…
13	5	4	108	#/texts/96	section_header	body_heading	False	low	body_heading	body_heading						False	None	page_body	column_1_of_2	1	2	p13:page_body:column_1_of_2:white	[255, 255, 255]	white	False	False	[46.78, 604.84, 101.63, 8.65]	Fe- and Mn-based borates	Fe- and Mn-based borates
13	6	5	109	#/texts/97	text	body	True	None	body	body						False	None	page_body	column_1_of_2	1	2	p13:page_body:column_1_of_2:white	[255, 255, 255]	white	False	False	[46.78, 627.98, 215.51, 35.34]	Lithium metal borates entered into researchers ' sight in 2001, because the polyanion group BO3 3 -is the lightest one, ensuring a high theoretical capacity of ~	Lithium metal borates entered into researchers ' sight in 2001, because the polyanion group BO3 3 -is the lightest one, ensuring a high theoretical capacity of ~
13	3	6	110	#/texts/94	page_header	page_header	False	low	docling_page_header	docling_page_header						False	None	top_margin	column_2_of_2	2	2	p13:top_margin:column_2_of_2:white	[255, 255, 255]	white	False	True	[433.24, 34.25, 67.04, 7.44]	Page 13 of 40 160	Page 13 of 40 160
13	7	7	111	#/texts/98	text	body	True	None	body	body						False	None	top_margin	column_2_of_2	2	2	p13:top_margin:column_2_of_2:white	[255, 255, 255]	white	False	False	[284.87, 52.3, 215.53, 361.97]	220 mAh g -1 (Legagneur et al. 2001). However, the early practice only realized the reversible capacity of ~ 8 mAh g -1 at C/250, suggesting deficient electrochemical activity. Until 2010, Yamada et al. obtained an attr…	220 mAh g -1 (Legagneur et al. 2001). However, the early practice only realized the reversible capacity of ~ 8 mAh g -1 at C/250, suggesting deficient electrochemical activity. Until 2010, Yamada et al. obtained an attr…
13	8	8	112	#/texts/99	section_header	body_heading	False	low	body_heading	body_heading						False	None	page_body	column_2_of_2	2	2	p13:page_body:column_2_of_2:white	[255, 255, 255]	white	False	False	[284.86, 442.98, 173.06, 8.75]	Fe- and Mn-based oxides as SIB cathodes	Fe- and Mn-based oxides as SIB cathodes
13	9	9	113	#/texts/100#prov0	text	body	True	None	body	body						False	None	page_body	column_2_of_2	2	2	p13:page_body:column_2_of_2:white	[255, 255, 255]	white	False	False	[284.86, 467.87, 215.53, 195.45]	Sodium metal oxides have been intensively studied as SIB cathodes, which mimic the lithium metal oxides, but the considerably different physico-chemical properties (e.g., ionic size, electron configuration) renders some…	Sodium metal oxides have been intensively studied as SIB cathodes, which mimic the lithium metal oxides, but the considerably different physico-chemical properties (e.g., ionic size, electron configuration) renders some…
14	2	1	114	#/texts/101	page_header	page_header	False	low	docling_page_header	docling_page_header						False	None	top_margin	column_1_of_2	1	2	p14:top_margin:column_1_of_2:white	[255, 255, 255]	white	False	False	[46.77, 34.25, 67.14, 7.44]	160 Page 14 of 40	160 Page 14 of 40
14	4	2	115	#/texts/103	caption	caption	False	low	outside_body_flow_caption	outside_body_flow_caption						False	None	page_body	column_1_of_2	1	2	p14:page_body:column_1_of_2:white	[255, 255, 255]	white	False	False	[46.77, 309.11, 215.54, 37.58]	Fig. 8 a , b Crystal structures of P 21/ n Li2FeSiO4 ( a ), which transforms into Pmn 21 Li2FeSiO4 ( b ). c Typical charge/discharge curves of Li2FeSiO4. Reproduced from ref. (Armstrong et al. 2011) with permission. d S…	Fig. 8 a , b Crystal structures of P 21/ n Li2FeSiO4 ( a ), which transforms into Pmn 21 Li2FeSiO4 ( b ). c Typical charge/discharge curves of Li2FeSiO4. Reproduced from ref. (Armstrong et al. 2011) with permission. d S…
14	1	3	116	#/texts/100#prov1	text	body	True	None	body	body						False	None	page_body	column_1_of_2	1	2	p14:page_body:column_1_of_2:white	[255, 255, 255]	white	False	False	[46.76, 368.26, 215.52, 108.25]	the Na ion octahedral or prismatic layers contained in each unit cell, and a prime symbol ( ′ ) is added to indicate a monoclinic distortion. In the synthesis of layered oxides, the resultant structure is decided by man…	the Na ion octahedral or prismatic layers contained in each unit cell, and a prime symbol ( ′ ) is added to indicate a monoclinic distortion. In the synthesis of layered oxides, the resultant structure is decided by man…
14	5	4	117	#/texts/104	text	body	True	None	body	body						False	None	page_body	column_1_of_2	1	2	p14:page_body:column_1_of_2:white	[255, 255, 255]	white	False	False	[46.76, 480.34, 215.5, 95.78]	Though sodium ions are low-cost charge carriers, many layered oxides still rely on redox centers that are scarce and/or may be toxic transition metal elements such as cobalt (Berthelot et al. 2010), nickel (Han et al. 2…	Though sodium ions are low-cost charge carriers, many layered oxides still rely on redox centers that are scarce and/or may be toxic transition metal elements such as cobalt (Berthelot et al. 2010), nickel (Han et al. 2…
14	6	5	118	#/texts/105	section_header	body_heading	False	low	body_heading	body_heading						False	None	page_body	column_1_of_2	1	2	p14:page_body:column_1_of_2:white	[255, 255, 255]	white	False	False	[46.76, 592.42, 31.87, 9.61]	NaFeO2	NaFeO2
14	7	6	119	#/texts/106	text	body	True	None	body	body						False	None	page_body	column_1_of_2	1	2	p14:page_body:column_1_of_2:white	[255, 255, 255]	white	False	False	[46.77, 617.31, 215.43, 46.01]	NaFeO2 has been reported to have two polymorphs: hexagonal α -NaFeO2 and orthorhombic β -NaFeO2 (Kikkawa et al. 1985). The former one is the prototype of layered oxides, opening the era of LIB	NaFeO2 has been reported to have two polymorphs: hexagonal α -NaFeO2 and orthorhombic β -NaFeO2 (Kikkawa et al. 1985). The former one is the prototype of layered oxides, opening the era of LIB
14	3	7	120	#/texts/102	page_header	page_header	False	low	docling_page_header	docling_page_header						False	None	top_margin	column_2_of_2	2	2	p14:top_margin:column_2_of_2:white	[255, 255, 255]	white	False	False	[398.16, 34.25, 102.12, 7.35]	J Nanopart Res (2018) 20: 160	J Nanopart Res (2018) 20: 160
14	8	8	121	#/texts/107	caption	caption	False	low	outside_body_flow_caption	outside_body_flow_caption						False	None	page_body	column_2_of_2	2	2	p14:page_body:column_2_of_2:white	[255, 255, 255]	white	False	False	[284.88, 309.38, 215.56, 37.23]	LiFeBO3 during delithiation and degradation. Reproduced from ref. (Bo et al. 2014) with permission. e Charge/discharge profiles of mesoporous LiFeBO3/C hollow spheres. Reproduced from ref. (Chen et al. 2015) with permis…	LiFeBO3 during delithiation and degradation. Reproduced from ref. (Bo et al. 2014) with permission. e Charge/discharge profiles of mesoporous LiFeBO3/C hollow spheres. Reproduced from ref. (Chen et al. 2015) with permis…
14	9	9	122	#/texts/108	text	body	True	None	body	body						False	None	page_body	column_2_of_2	2	2	p14:page_body:column_2_of_2:white	[255, 255, 255]	white	False	False	[284.88, 368.26, 215.46, 296.02]	chemistry. An early study only realized removal of 0.1 Na using chemical oxidizer (Kikkawa et al. 1985). By coupling with Li foil into a battery, Takeda et al. reported the electrochemical desodiation of α -NaFeO2 into …	chemistry. An early study only realized removal of 0.1 Na using chemical oxidizer (Kikkawa et al. 1985). By coupling with Li foil into a battery, Takeda et al. reported the electrochemical desodiation of α -NaFeO2 into …
15	1	1	123	#/texts/109	page_header	page_header	False	low	docling_page_header	docling_page_header						True	p15:body_region:0	top_margin	column_1_of_2	1	2	p15:top_margin:column_1_of_2:white	[255, 255, 255]	white	False	False	[46.77, 34.25, 102.17, 7.35]	J Nanopart Res (2018) 20: 160	J Nanopart Res (2018) 20: 160
15	3	2	124	#/texts/111	caption	caption	False	low	outside_body_flow_caption	outside_body_flow_caption						True	p15:body_region:0	top_margin	column_1_of_2	1	2	p15:top_margin:column_1_of_2:white	[255, 255, 255]	white	False	False	[46.77, 54.43, 110.64, 96.98]	Fig. 9 a Structural comparison of P2-type and O3-type NaxMO2. Reproduced from ref. (Yabuuchi et al. 2012a) with permission. b Synthesis phase diagram of NaxCoO2 as a function of the Na/ Co ratio from precursors and heat…	Fig. 9 a Structural comparison of P2-type and O3-type NaxMO2. Reproduced from ref. (Yabuuchi et al. 2012a) with permission. b Synthesis phase diagram of NaxCoO2 as a function of the Na/ Co ratio from precursors and heat…
15	4	3	125	#/texts/112	text	body	True	None	body	body						True	p15:body_region:0	page_body	column_1_of_2	1	2	p15:page_body:column_1_of_2:white	[255, 255, 255]	white	False	False	[46.77, 380.67, 215.47, 108.31]	was also found to show an additional advantage of good thermal stability. As reported by Zhao et al. (Zhao et al. 2013), the highly charged Na0.58FeO2 powder decomposed thermally at a temperature higher than 300 °C, and…	was also found to show an additional advantage of good thermal stability. As reported by Zhao et al. (Zhao et al. 2013), the highly charged Na0.58FeO2 powder decomposed thermally at a temperature higher than 300 °C, and…
15	5	4	126	#/texts/113	text	body	True	None	body	body						True	p15:body_region:0	page_body	column_1_of_2	1	2	p15:page_body:column_1_of_2:white	[255, 255, 255]	white	False	False	[46.77, 505.23, 39.4, 9.61]	NaxMnO2	NaxMnO2
15	6	5	127	#/texts/114#prov0	text	body	True	None	body	body						True	p15:body_region:0	page_body	column_1_of_2	1	2	p15:page_body:column_1_of_2:white	[255, 255, 255]	white	False	False	[46.77, 530.12, 215.54, 133.2]	NaxMnO2 has a variety of polymorphs, which can be divided into two large groups: 2D layered structures consisting of slabs of edge-sharing MO6 octahedra at high x (e.g., Na2/3MnO2, NaMnO2) and 3D tunnel-like structures …	NaxMnO2 has a variety of polymorphs, which can be divided into two large groups: 2D layered structures consisting of slabs of edge-sharing MO6 octahedra at high x (e.g., Na2/3MnO2, NaMnO2) and 3D tunnel-like structures …
15	2	6	128	#/texts/110	page_header	page_header	False	low	docling_page_header	docling_page_header						False	None	top_margin	column_2_of_2	2	2	p15:top_margin:column_2_of_2:white	[255, 255, 255]	white	False	True	[433.24, 34.25, 67.04, 7.44]	Page 15 of 40 160	Page 15 of 40 160
15	7	7	129	#/texts/114#prov1	text	body	True	None	body	body						False	None	page_body	column_2_of_2	2	2	p15:page_body:column_2_of_2:white	[255, 255, 255]	white	False	False	[284.88, 378.46, 215.52, 110.53]	reported by Ceder et al. (Ma et al. 2011), α -NaMnO2 delivered a reversible capacity of 185 mAh g -1 at 0.1 °C within in the potential window of 2.0 -3.8 V, but only maintained 132 mAh g -1 after 20 cycles. In compariso…	reported by Ceder et al. (Ma et al. 2011), α -NaMnO2 delivered a reversible capacity of 185 mAh g -1 at 0.1 °C within in the potential window of 2.0 -3.8 V, but only maintained 132 mAh g -1 after 20 cycles. In compariso…
15	8	8	130	#/texts/115#prov0	text	body	True	None	body	body						False	None	page_body	column_2_of_2	2	2	p15:page_body:column_2_of_2:white	[255, 255, 255]	white	False	False	[284.88, 492.76, 215.49, 170.56]	With the Na/Mn ratio of around 2/3, the distortion of the ideal P2 structure is dependent on the synthesis conditions. Lowering the sintering temperature below 600 °C with a more oxidizing atmosphere stabilizes a higher…	With the Na/Mn ratio of around 2/3, the distortion of the ideal P2 structure is dependent on the synthesis conditions. Lowering the sintering temperature below 600 °C with a more oxidizing atmosphere stabilizes a higher…
16	2	1	131	#/texts/116	page_header	page_header	False	low	docling_page_header	docling_page_header						False	None	top_margin	left	None	None	p16:top_margin:left:white	[255, 255, 255]	white	False	False	[46.77, 34.25, 12.51, 7.44]	160	160
16	3	2	132	#/texts/117	page_header	page_header	False	low	docling_page_header	docling_page_header						False	None	top_margin	left	None	None	p16:top_margin:left:white	[255, 255, 255]	white	False	False	[67.64, 34.25, 46.28, 7.35]	Page 16 of 40	Page 16 of 40
16	4	3	133	#/texts/118	page_header	page_header	False	low	docling_page_header	docling_page_header						False	None	top_margin	right	None	None	p16:top_margin:right:white	[255, 255, 255]	white	False	False	[398.16, 34.25, 102.12, 7.35]	J Nanopart Res (2018) 20: 160	J Nanopart Res (2018) 20: 160
16	5	4	134	#/texts/119	caption	caption	False	low	outside_body_flow_caption	outside_body_flow_caption						False	None	page_body	left	None	None	p16:page_body:left:white	[255, 255, 255]	white	False	False	[46.77, 202.0, 215.43, 27.39]	Fig. 10 a Initial charge/discharge curves of NaFeO2 on the dependence of different cut-off potentials. Reprinted from ref. (Okada et al. 2006) with permission. b Voltage profiles along	Fig. 10 a Initial charge/discharge curves of NaFeO2 on the dependence of different cut-off potentials. Reprinted from ref. (Okada et al. 2006) with permission. b Voltage profiles along
16	1	5	135	#/texts/115#prov1	text	body	True	None	body	body	caption_continuation_used_by_asset	figure	Fig. 10	Fig. 10 a Initial charge/discharge curves of NaFeO2 on the dependence of different cut-off potentials. Reprinted from ref. (Okada et al. 2006) with permission. b Voltage profiles along cycling. c A diagram illustrating …		False	None	page_body	right	None	None	p16:page_body:right:white	[255, 255, 255]	white	False	False	[284.88, 200.13, 215.46, 29.18]	cycling. c A diagram illustrating the electrochemical active Fe 3+ / Fe 4+ redox couple. Reproduced from ref. (Lee et al. 2015) with permission	cycling. c A diagram illustrating the electrochemical active Fe 3+ / Fe 4+ redox couple. Reproduced from ref. (Lee et al. 2015) with permission
16	6	6	136	#/texts/120	caption	caption	False	low	outside_body_flow_caption	outside_body_flow_caption						False	None	page_body	left	None	None	p16:page_body:left:white	[255, 255, 255]	white	False	False	[46.77, 279.28, 110.59, 156.79]	Fig. 11 a Stability domain of the different structural types observed for as-synthesized NaxMnO2 compounds. Reproduced from ref. (Clément et al. 2015) with permission. b Schematic representations of β -NaMnO2 and an int…	Fig. 11 a Stability domain of the different structural types observed for as-synthesized NaxMnO2 compounds. Reproduced from ref. (Clément et al. 2015) with permission. b Schematic representations of β -NaMnO2 and an int…
17	2	1	137	#/texts/121	page_header	page_header	False	low	docling_page_header	docling_page_header						False	None	top_margin	left	None	None	p17:top_margin:left:white	[255, 255, 255]	white	False	False	[46.77, 34.25, 102.17, 7.35]	J Nanopart Res (2018) 20: 160	J Nanopart Res (2018) 20: 160
17	3	2	138	#/texts/122	page_header	page_header	False	low	docling_page_header	docling_page_header						False	None	top_margin	right	None	None	p17:top_margin:right:white	[255, 255, 255]	white	False	True	[433.24, 34.25, 67.04, 7.44]	Page 17 of 40 160	Page 17 of 40 160
17	1	3	139	#/texts/115#prov2	text	body	True	None	body	body						False	None	page_body	left	None	None	p17:page_body:left:white	[255, 255, 255]	white	False	False	[46.74, 56.9, 215.56, 419.61]	a sol-gel method, Caballero et al. reported the synthesis of an undistorted P2-Na0.6MnO2 phase at a high temperature of 800 °C. They further tested the material in SIBs, which delivered ca. 140 mAh g -1 , but only withs…	a sol-gel method, Caballero et al. reported the synthesis of an undistorted P2-Na0.6MnO2 phase at a high temperature of 800 °C. They further tested the material in SIBs, which delivered ca. 140 mAh g -1 , but only withs…
17	4	4	140	#/texts/123	text	body	True	None	body	body						False	None	page_body	left	None	None	p17:page_body:left:white	[255, 255, 255]	white	False	False	[46.77, 480.34, 215.54, 182.98]	Tunnel Na0.44MnO2 with an orthorhombic structure is another widely studied cathode material for SIBs. As shown in Fig. 13a (He et al. 2016), an open 3D framework is constructed by sheets of edge-sharing MnO6 and columns…	Tunnel Na0.44MnO2 with an orthorhombic structure is another widely studied cathode material for SIBs. As shown in Fig. 13a (He et al. 2016), an open 3D framework is constructed by sheets of edge-sharing MnO6 and columns…
17	5	5	141	#/texts/124	caption	caption	False	low	docling_caption	docling_caption						False	None	page_body	right	None	None	p17:page_body:right:white	[255, 255, 255]	white	False	False	[284.88, 601.25, 215.47, 37.5]	Fig. 12 a , b Charge-discharge curves of o -NMO ( a ) and h -NMO ( b ). c , d Operando XRD patterns of o -NMO ( c ) and h -NMO ( d ) over initial charge/discharge curves. Reproduced from ref. (Kumakura et al. 2016) with…	Fig. 12 a , b Charge-discharge curves of o -NMO ( a ) and h -NMO ( b ). c , d Operando XRD patterns of o -NMO ( c ) and h -NMO ( d ) over initial charge/discharge curves. Reproduced from ref. (Kumakura et al. 2016) with…
18	1	1	142	#/texts/125	page_header	page_header	False	low	docling_page_header	docling_page_header						False	None	top_margin	column_1_of_2	1	2	p18:top_margin:column_1_of_2:white	[255, 255, 255]	white	False	False	[46.77, 34.25, 12.51, 7.44]	160	160
18	2	2	143	#/texts/126	page_header	page_header	False	low	docling_page_header	docling_page_header						False	None	top_margin	column_1_of_2	1	2	p18:top_margin:column_1_of_2:white	[255, 255, 255]	white	False	False	[67.64, 34.25, 46.28, 7.35]	Page 18 of 40	Page 18 of 40
18	4	3	144	#/texts/128	caption	caption	False	low	outside_body_flow_caption	outside_body_flow_caption						False	None	top_margin	column_1_of_2	1	2	p18:top_margin:column_1_of_2:white	[255, 255, 255]	white	False	False	[46.77, 54.43, 110.65, 126.91]	Fig. 13 a Schematic representation of the tunnel Na0.44MnO2. b Voltage profiles of the monocrystal Na0.44MnO2 nanoplates. c Cyclic voltammograms (CVs) of the Na0.44MnO2 electrode between 2.0 and 4.0 Vat a scanning rate …	Fig. 13 a Schematic representation of the tunnel Na0.44MnO2. b Voltage profiles of the monocrystal Na0.44MnO2 nanoplates. c Cyclic voltammograms (CVs) of the Na0.44MnO2 electrode between 2.0 and 4.0 Vat a scanning rate …
18	5	4	145	#/texts/129	text	body	True	None	body	body						False	None	page_body	column_1_of_2	1	2	p18:page_body:column_1_of_2:white	[255, 255, 255]	white	False	False	[46.77, 302.49, 215.52, 295.06]	(Sauvage et al. 2007). The optimization of preparation method and morphology control contribute to much improved electrochemical performance. For example, single crystalline Na0.44MnO2 nanowires prepared by Cao et al. d…	(Sauvage et al. 2007). The optimization of preparation method and morphology control contribute to much improved electrochemical performance. For example, single crystalline Na0.44MnO2 nanowires prepared by Cao et al. d…
18	6	5	146	#/texts/131#prov0	text	body	True	None	body	body						False	None	page_body	column_1_of_2	1	2	p18:page_body:column_1_of_2:white	[255, 255, 255]	white	False	False	[46.77, 642.2, 215.43, 21.12]	Considering the distinct features of the two single metal oxides, it is promising to develop Fe and Mn-mixed	Considering the distinct features of the two single metal oxides, it is promising to develop Fe and Mn-mixed
18	3	6	147	#/texts/127	page_header	page_header	False	low	docling_page_header	docling_page_header						False	None	top_margin	column_2_of_2	2	2	p18:top_margin:column_2_of_2:white	[255, 255, 255]	white	False	False	[398.16, 34.25, 102.12, 7.35]	J Nanopart Res (2018) 20: 160	J Nanopart Res (2018) 20: 160
18	7	7	148	#/texts/131#prov1	text	body	True	None	body	body						False	None	page_body	column_2_of_2	2	2	p18:page_body:column_2_of_2:white	[255, 255, 255]	white	False	False	[284.88, 302.49, 215.51, 357.31]	Nax(FeyMn1-y)O2 which is expected to combine the high potential of NaFeO2 and high capacity of NaMnO2 to target high-energy and cost-effective electrodes. Komaba ' s group made a critical step by reporting the unprecede…	Nax(FeyMn1-y)O2 which is expected to combine the high potential of NaFeO2 and high capacity of NaMnO2 to target high-energy and cost-effective electrodes. Komaba ' s group made a critical step by reporting the unprecede…
19	2	1	149	#/texts/132	page_header	page_header	False	low	docling_page_header	docling_page_header						False	None	top_margin	column_1_of_2	1	2	p19:top_margin:column_1_of_2:white	[255, 255, 255]	white	False	False	[46.77, 34.25, 102.17, 7.35]	J Nanopart Res (2018) 20: 160	J Nanopart Res (2018) 20: 160
19	1	2	150	#/texts/131#prov2	text	body	True	None	body	body						False	None	page_body	column_1_of_2	1	2	p19:page_body:column_1_of_2:white	[255, 255, 255]	white	False	False	[46.77, 56.9, 215.51, 170.56]	same formula of Na2/3Fe2/3Mn1/3O2. As a result, the O3 structure demonstrated similar electrochemical performance (Gonzalo et al. 2014) or even slightly higher reversible capacity (Han et al. 2015) compared with its P2 …	same formula of Na2/3Fe2/3Mn1/3O2. As a result, the O3 structure demonstrated similar electrochemical performance (Gonzalo et al. 2014) or even slightly higher reversible capacity (Han et al. 2015) compared with its P2 …
19	4	3	151	#/texts/134	text	body	True	None	body	body						False	None	page_body	column_1_of_2	1	2	p19:page_body:column_1_of_2:white	[255, 255, 255]	white	False	False	[46.77, 231.29, 215.5, 182.98]	As the Fe- and Mn-based oxides suffer from the significant capacity drop as well as unsatisfactory rate capability, continuous efforts have been made to mitigate the issues. Low-valance metal substitution is still deeme…	As the Fe- and Mn-based oxides suffer from the significant capacity drop as well as unsatisfactory rate capability, continuous efforts have been made to mitigate the issues. Low-valance metal substitution is still deeme…
19	5	4	152	#/texts/135	section_header	body_heading	False	low	body_heading	body_heading						False	None	page_body	column_1_of_2	1	2	p19:page_body:column_1_of_2:white	[255, 255, 255]	white	False	False	[46.78, 446.44, 199.79, 21.16]	Fe- and Mn-based polyanion compounds as SIB cathodes	Fe- and Mn-based polyanion compounds as SIB cathodes
19	6	5	153	#/texts/136	text	body	True	None	body	body						False	None	page_body	column_1_of_2	1	2	p19:page_body:column_1_of_2:white	[255, 255, 255]	white	False	False	[46.78, 483.8, 215.46, 46.01]	As discussed above, polyanion compounds feature robust crystal framework with the oxygen atoms covalently bonded by counterions (S, P, Si, etc.), affording favorable structural stability toward lithium	As discussed above, polyanion compounds feature robust crystal framework with the oxygen atoms covalently bonded by counterions (S, P, Si, etc.), affording favorable structural stability toward lithium
19	7	6	154	#/texts/137	caption	caption	False	low	docling_caption	docling_caption						False	None	page_body	column_1_of_2	1	2	p19:page_body:column_1_of_2:white	[255, 255, 255]	white	False	False	[46.77, 543.58, 110.57, 96.98]	Fig. 14 Phase evolution in Na0.67Mn0.5Fe0.5O2 and Nisubstituted Na0.67Mn0.65Ni0.15Fe0.2O2 over the first cycle, and schematic illustration of Mn/Fe migration into tetrahedral sites in the Na space at high potential. Rep…	Fig. 14 Phase evolution in Na0.67Mn0.5Fe0.5O2 and Nisubstituted Na0.67Mn0.65Ni0.15Fe0.2O2 over the first cycle, and schematic illustration of Mn/Fe migration into tetrahedral sites in the Na space at high potential. Rep…
19	3	7	155	#/texts/133	page_header	page_header	False	low	docling_page_header	docling_page_header						False	None	top_margin	column_2_of_2	2	2	p19:top_margin:column_2_of_2:white	[255, 255, 255]	white	False	True	[433.24, 34.25, 67.04, 7.44]	Page 19 of 40 160	Page 19 of 40 160
19	8	8	156	#/texts/138	text	body	True	None	body	body						False	None	page_body	column_2_of_2	2	2	p19:page_body:column_2_of_2:white	[255, 255, 255]	white	False	False	[284.88, 56.9, 215.49, 70.95]	(de)insertion. Such merit is more demanded in SIB chemistry, as the movement of the larger Na ions puts forward higher requirement for structural stability. Given the poor cycling stability haunting most of the layered …	(de)insertion. Such merit is more demanded in SIB chemistry, as the movement of the larger Na ions puts forward higher requirement for structural stability. Given the poor cycling stability haunting most of the layered …
19	9	9	157	#/texts/139	section_header	body_heading	False	low	body_heading	body_heading						False	None	page_body	column_2_of_2	2	2	p19:page_body:column_2_of_2:white	[255, 255, 255]	white	False	False	[284.88, 147.55, 114.29, 8.65]	Fe-and Mn-based phosphates	Fe-and Mn-based phosphates
19	10	10	158	#/texts/140#prov0	text	body	True	None	body	body						False	None	page_body	column_2_of_2	2	2	p19:page_body:column_2_of_2:white	[255, 255, 255]	white	False	False	[284.87, 172.44, 215.5, 357.6]	Olivine LFP is the most successful polyanion cathode for LIBs. Unfortunately, its sodium counterpart NaFePO4 (NFP) simply cannot duplicate its success, as the thermodynamically stable phase of NFP is a maricite structur…	Olivine LFP is the most successful polyanion cathode for LIBs. Unfortunately, its sodium counterpart NaFePO4 (NFP) simply cannot duplicate its success, as the thermodynamically stable phase of NFP is a maricite structur…
20	2	1	159	#/texts/141	page_header	page_header	False	low	docling_page_header	docling_page_header						True	p20:body_region:0	top_margin	column_1_of_2	1	2	p20:top_margin:column_1_of_2:white	[255, 255, 255]	white	False	False	[46.77, 34.25, 12.51, 7.44]	160	160
20	3	2	160	#/texts/142	page_header	page_header	False	low	docling_page_header	docling_page_header						True	p20:body_region:0	top_margin	column_1_of_2	1	2	p20:top_margin:column_1_of_2:white	[255, 255, 255]	white	False	False	[67.64, 34.25, 46.28, 7.35]	Page 20 of 40	Page 20 of 40
20	1	3	161	#/texts/140#prov1	text	body	True	None	body	body						True	p20:body_region:0	page_body	column_1_of_2	1	2	p20:page_body:column_1_of_2:white	[255, 255, 255]	white	False	False	[46.77, 56.9, 215.54, 195.45]	which is electrochemically active for (de)lithiation, is reinvestigated as a cathode material for SIBs (Fang et al. 2014; Liu et al. 2015b; Liu et al. 2012b). With the nanosized particle and high content of conductive c…	which is electrochemically active for (de)lithiation, is reinvestigated as a cathode material for SIBs (Fang et al. 2014; Liu et al. 2015b; Liu et al. 2012b). With the nanosized particle and high content of conductive c…
20	5	4	162	#/texts/144	text	body	True	None	body	body						True	p20:body_region:0	page_body	column_1_of_2	1	2	p20:page_body:column_1_of_2:white	[255, 255, 255]	white	False	False	[46.77, 256.18, 215.54, 232.81]	Also, Fe-based phosphates crystalized in other structures have also been investigated as SIB cathodes. Trad et al. reported the electrochemical performance of a B layered ^ Na3Fe3(PO4)4, where only ~ 80 mAh g -1 was dis…	Also, Fe-based phosphates crystalized in other structures have also been investigated as SIB cathodes. Trad et al. reported the electrochemical performance of a B layered ^ Na3Fe3(PO4)4, where only ~ 80 mAh g -1 was dis…
20	6	5	163	#/texts/145#prov0	text	body	True	None	body	body						True	p20:body_region:0	page_body	column_1_of_2	1	2	p20:page_body:column_1_of_2:white	[255, 255, 255]	white	False	False	[46.77, 492.75, 215.53, 170.57]	Like NFP, NaMnPO4 (NMP) also crystalized favorably in the maricite phase. However, the olivine phase of NMP is still more stable than olivine NFP. Lee et al. (Lee et al. 2011) and Boyadzhieva et al. (Boyadzhieva et al. …	Like NFP, NaMnPO4 (NMP) also crystalized favorably in the maricite phase. However, the olivine phase of NMP is still more stable than olivine NFP. Lee et al. (Lee et al. 2011) and Boyadzhieva et al. (Boyadzhieva et al. …
20	4	6	164	#/texts/143	page_header	page_header	False	low	docling_page_header	docling_page_header						False	None	top_margin	column_2_of_2	2	2	p20:top_margin:column_2_of_2:white	[255, 255, 255]	white	False	False	[398.16, 34.25, 102.12, 7.35]	J Nanopart Res (2018) 20: 160	J Nanopart Res (2018) 20: 160
20	7	7	165	#/texts/145#prov1	text	body	True	None	body	body						False	None	page_body	column_2_of_2	2	2	p20:page_body:column_2_of_2:white	[255, 255, 255]	white	False	False	[284.88, 56.91, 215.53, 58.48]	obtained (Lee et al. 2011). Besides, Fe- and Mn-mixed alluaudite-type phosphates have been investigated as SIB cathodes (Huang et al. 2015a; Trad et al. 2010a), where the existence of Mn further lowers the limited speci…	obtained (Lee et al. 2011). Besides, Fe- and Mn-mixed alluaudite-type phosphates have been investigated as SIB cathodes (Huang et al. 2015a; Trad et al. 2010a), where the existence of Mn further lowers the limited speci…
20	8	8	166	#/texts/146	section_header	body_heading	False	low	body_heading	body_heading						False	None	page_body	column_2_of_2	2	2	p20:page_body:column_2_of_2:white	[255, 255, 255]	white	False	False	[284.88, 131.62, 134.79, 8.65]	Fe- and Mn-based pyrophosphates	Fe- and Mn-based pyrophosphates
20	9	9	167	#/texts/147	text	body	True	None	body	body						False	None	page_body	column_2_of_2	2	2	p20:page_body:column_2_of_2:white	[255, 255, 255]	white	False	False	[284.87, 156.57, 215.53, 344.83]	Though pyrophosphates have been eclipsed by LFP in the LIB system due to the large gap of capacities, the pyrophosphates show intrinsically better kinetics when compared to other polyanion materials, including LFP (Furu…	Though pyrophosphates have been eclipsed by LFP in the LIB system due to the large gap of capacities, the pyrophosphates show intrinsically better kinetics when compared to other polyanion materials, including LFP (Furu…
20	10	10	168	#/texts/148#prov0	text	body	True	None	body	body						False	None	page_body	column_2_of_2	2	2	p20:page_body:column_2_of_2:white	[255, 255, 255]	white	False	False	[284.88, 505.23, 215.52, 158.09]	Along with the success of Na2FeP2O7, its Mn analog Na2MnP2O7 has also been investigated. Unlike most Mn-based cathode materials suffering from sluggish kinetics, Park et al. found the unexpected high activity of micron-…	Along with the success of Na2FeP2O7, its Mn analog Na2MnP2O7 has also been investigated. Unlike most Mn-based cathode materials suffering from sluggish kinetics, Park et al. found the unexpected high activity of micron-…
21	1	1	169	#/texts/149	page_header	page_header	False	low	docling_page_header	docling_page_header						False	None	top_margin	left	None	None	p21:top_margin:left:white	[255, 255, 255]	white	False	False	[46.77, 34.25, 102.17, 7.35]	J Nanopart Res (2018) 20: 160	J Nanopart Res (2018) 20: 160
21	2	2	170	#/texts/150	page_header	page_header	False	low	docling_page_header	docling_page_header						False	None	top_margin	right	None	None	p21:top_margin:right:white	[255, 255, 255]	white	False	True	[433.24, 34.25, 67.04, 7.44]	Page 21 of 40 160	Page 21 of 40 160
21	3	3	171	#/texts/151	caption	caption	False	low	outside_body_flow_caption	outside_body_flow_caption						False	None	top_margin	left	None	None	p21:top_margin:left:white	[255, 255, 255]	white	False	False	[46.77, 52.9, 110.62, 138.37]	Fig. 15 a -e Crystal structures of olivine NFP, maricite NFP, NASICON-type Na3Fe2(PO4)3, layered Na3Fe3(PO4)4, alluauditetype Na2Fe3(PO4)3. Reproduced from ref. (Naoaki and Shinichi 2014) with permission. Their typical …	Fig. 15 a -e Crystal structures of olivine NFP, maricite NFP, NASICON-type Na3Fe2(PO4)3, layered Na3Fe3(PO4)4, alluauditetype Na2Fe3(PO4)3. Reproduced from ref. (Naoaki and Shinichi 2014) with permission. Their typical …
22	2	1	172	#/texts/152	page_header	page_header	False	low	docling_page_header	docling_page_header						False	None	top_margin	column_1_of_2	1	2	p22:top_margin:column_1_of_2:white	[255, 255, 255]	white	False	False	[46.77, 34.25, 12.51, 7.44]	160	160
22	3	2	173	#/texts/153	page_header	page_header	False	low	docling_page_header	docling_page_header						False	None	top_margin	column_1_of_2	1	2	p22:top_margin:column_1_of_2:white	[255, 255, 255]	white	False	False	[67.64, 34.25, 46.28, 7.35]	Page 22 of 40	Page 22 of 40
22	1	3	174	#/texts/148#prov1	text	body	True	None	body	body						False	None	page_body	column_1_of_2	1	2	p22:page_body:column_1_of_2:white	[255, 255, 255]	white	False	False	[46.77, 56.9, 215.51, 58.48]	and thermodynamically feasible (Barpanda et al. 2013b). Their further atomistic simulations disclosed low barriers for long-range Na + diffusion in all directions in Na2(Fe, Mn)P2O7, theoretically proving the 3D Na + pa…	and thermodynamically feasible (Barpanda et al. 2013b). Their further atomistic simulations disclosed low barriers for long-range Na + diffusion in all directions in Na2(Fe, Mn)P2O7, theoretically proving the 3D Na + pa…
22	5	4	175	#/texts/155	text	body	True	None	body	body						False	None	page_body	column_1_of_2	1	2	p22:page_body:column_1_of_2:white	[255, 255, 255]	white	False	False	[46.76, 144.09, 154.12, 8.65]	Fe- and Mn-based sulfates and oxalates	Fe- and Mn-based sulfates and oxalates
22	6	5	176	#/texts/156	text	body	True	None	body	body						False	None	page_body	column_1_of_2	1	2	p22:page_body:column_1_of_2:white	[255, 255, 255]	white	False	False	[46.76, 166.76, 215.55, 210.14]	The stronger inductive effect of the SO4 2group can elevate the redox potential when compared with common PO4 3 . In 2014, Barpanda et al. reported the use of a new Na2Fe2(SO4)3 with the alluaudite-type as a cathode mat…	The stronger inductive effect of the SO4 2group can elevate the redox potential when compared with common PO4 3 . In 2014, Barpanda et al. reported the use of a new Na2Fe2(SO4)3 with the alluaudite-type as a cathode mat…
22	10	6	177	#/texts/160	caption	caption	False	low	outside_body_flow_caption	outside_body_flow_caption						False	None	page_body	column_1_of_2	1	2	p22:page_body:column_1_of_2:white	[255, 255, 255]	white	False	False	[46.77, 624.25, 215.51, 38.76]	Fig. 16 a -c Triclinic structure ( P -1) of Na2FeP2O7 and corresponding electrochemical properties. Reproduced from ref. (Barpanda et al. 2012) with permission. d Voltage profiles of P -1 Na2MnP2O7. Reproduced from ref.…	Fig. 16 a -c Triclinic structure ( P -1) of Na2FeP2O7 and corresponding electrochemical properties. Reproduced from ref. (Barpanda et al. 2012) with permission. d Voltage profiles of P -1 Na2MnP2O7. Reproduced from ref.…
22	4	7	178	#/texts/154	page_header	page_header	False	low	docling_page_header	docling_page_header						False	None	top_margin	column_2_of_2	2	2	p22:top_margin:column_2_of_2:white	[255, 255, 255]	white	False	False	[398.16, 34.25, 102.12, 7.35]	J Nanopart Res (2018) 20: 160	J Nanopart Res (2018) 20: 160
22	7	8	179	#/texts/157	text	body	True	None	body	body						False	None	page_body	column_2_of_2	2	2	p22:page_body:column_2_of_2:white	[255, 255, 255]	white	False	False	[284.88, 56.9, 215.53, 133.21]	Apart from alluaudite-type sulfates, Kröhnkite-type Na2Fe(SO4)2·2H2O was also explored as a 3.25 V insertion compound for SIBs, showing a reversible capacity of around 70 mAh g -1 (Barpanda et al. 2014a). Besides, eldfe…	Apart from alluaudite-type sulfates, Kröhnkite-type Na2Fe(SO4)2·2H2O was also explored as a 3.25 V insertion compound for SIBs, showing a reversible capacity of around 70 mAh g -1 (Barpanda et al. 2014a). Besides, eldfe…
22	8	9	180	#/texts/158	text	body	True	None	body	body						False	None	page_body	column_2_of_2	2	2	p22:page_body:column_2_of_2:white	[255, 255, 255]	white	False	False	[284.88, 193.93, 215.54, 158.03]	Mn-based sulfates progressed much slower. Barpanda et al. continued to explore the sulfate-based cathode family by reporting the isostructural alluauditetype Na2+2 x Mn2 -x (SO4)3, but no electrochemical data was presen…	Mn-based sulfates progressed much slower. Barpanda et al. continued to explore the sulfate-based cathode family by reporting the isostructural alluauditetype Na2+2 x Mn2 -x (SO4)3, but no electrochemical data was presen…
22	9	10	181	#/texts/159#prov0	text	body	True	None	body	body						False	None	page_body	column_2_of_2	2	2	p22:page_body:column_2_of_2:white	[255, 255, 255]	white	False	False	[284.88, 353.56, 215.49, 23.34]	Oxalates have also been investigated as Na + host materials. According to the electronegativity order of	Oxalates have also been investigated as Na + host materials. According to the electronegativity order of
22	11	11	182	#/texts/161	caption	caption	False	low	outside_body_flow_caption	outside_body_flow_caption						False	None	page_body	column_2_of_2	2	2	p22:page_body:column_2_of_2:white	[255, 255, 255]	white	False	False	[284.88, 623.9, 215.53, 29.14]	permission. e , f Crystal structure of β -Na2MnP2O7 (triclinic P 1) and its voltage profiles. Reproduced from ref. (Barpanda et al. 2013b) with permission	permission. e , f Crystal structure of β -Na2MnP2O7 (triclinic P 1) and its voltage profiles. Reproduced from ref. (Barpanda et al. 2013b) with permission
23	1	1	183	#/texts/162	page_header	page_header	False	low	docling_page_header	docling_page_header						False	None	top_margin	left	None	None	p23:top_margin:left:white	[255, 255, 255]	white	False	False	[46.77, 34.25, 102.17, 7.35]	J Nanopart Res (2018) 20: 160	J Nanopart Res (2018) 20: 160
23	2	2	184	#/texts/163	page_header	page_header	False	low	docling_page_header	docling_page_header						False	None	top_margin	right	None	None	p23:top_margin:right:white	[255, 255, 255]	white	False	True	[433.24, 34.25, 67.04, 7.44]	Page 23 of 40 160	Page 23 of 40 160
23	3	3	185	#/texts/164	caption	caption	False	low	outside_body_flow_caption	outside_body_flow_caption						False	None	page_body	left	None	None	p23:page_body:left:white	[255, 255, 255]	white	False	False	[46.77, 629.3, 215.52, 27.31]	Fig. 17 Crystal structures of alluaudite-type Na2Fe2(SO4)3 ( a ), eldfellite NaFe(SO4)2 ( b ), Na2Fe2(C2O4)3·2H2O ( c ), and Na2Fe(C2O4)F2 with their voltage profiles are shown on the right	Fig. 17 Crystal structures of alluaudite-type Na2Fe2(SO4)3 ( a ), eldfellite NaFe(SO4)2 ( b ), Na2Fe2(C2O4)3·2H2O ( c ), and Na2Fe(C2O4)F2 with their voltage profiles are shown on the right
23	4	4	186	#/texts/165	caption	caption	False	low	outside_body_flow_caption	outside_body_flow_caption						False	None	page_body	right	None	None	p23:page_body:right:white	[255, 255, 255]	white	False	False	[284.88, 629.29, 215.45, 17.33]	side. Reproduced from ref. (Barpanda et al. 2014b), (Singh et al. 2015), (Yao et al. 2017b), and (Yao et al. 2017a) with permissions	side. Reproduced from ref. (Barpanda et al. 2014b), (Singh et al. 2015), (Yao et al. 2017b), and (Yao et al. 2017a) with permissions
24	1	1	187	#/texts/166	page_header	page_header	False	low	docling_page_header	docling_page_header						False	None	top_margin	left	None	None	p24:top_margin:left:white	[255, 255, 255]	white	False	False	[46.77, 34.25, 67.14, 7.44]	160 Page 24 of 40	160 Page 24 of 40
24	2	2	188	#/texts/167	page_header	page_header	False	low	docling_page_header	docling_page_header						False	None	top_margin	right	None	None	p24:top_margin:right:white	[255, 255, 255]	white	False	False	[398.16, 34.25, 102.12, 7.35]	J Nanopart Res (2018) 20: 160	J Nanopart Res (2018) 20: 160
24	3	3	189	#/texts/168	caption	caption	False	low	outside_body_flow_caption	outside_body_flow_caption						False	None	top_margin	left	None	None	p24:top_margin:left:white	[255, 255, 255]	white	False	False	[46.77, 52.9, 110.66, 178.23]	Fig. 18 a -d Crystal structures of Na2FePO4F ( a ), Na2MnPO4F ( b ), Na4Fe3(PO4)2(P2O7) ( c ), and Na3MnPO4CO3 ( d ). Reproduced from ref. (Naoaki and Shinichi 2014) with permission. Their representative voltage profile…	Fig. 18 a -d Crystal structures of Na2FePO4F ( a ), Na2MnPO4F ( b ), Na4Fe3(PO4)2(P2O7) ( c ), and Na3MnPO4CO3 ( d ). Reproduced from ref. (Naoaki and Shinichi 2014) with permission. Their representative voltage profile…
25	3	1	190	#/texts/169	page_header	page_header	False	low	docling_page_header	docling_page_header						False	None	top_margin	column_1_of_2	1	2	p25:top_margin:column_1_of_2:white	[255, 255, 255]	white	False	False	[46.77, 34.25, 102.17, 7.35]	J Nanopart Res (2018) 20: 160	J Nanopart Res (2018) 20: 160
25	5	2	191	#/texts/171	caption	caption	False	low	outside_body_flow_caption	outside_body_flow_caption						False	None	page_body	column_1_of_2	1	2	p25:page_body:column_1_of_2:white	[255, 255, 255]	white	False	False	[46.77, 387.39, 215.52, 37.23]	Fig. 19 a Crystal structure of PBAs with a face-centered cubic phase. b Charge and discharge curves of Na2MnMn(CN)6. c , d The schematic illustrations of the step-wise structural evolution over the extraction/insertion …	Fig. 19 a Crystal structure of PBAs with a face-centered cubic phase. b Charge and discharge curves of Na2MnMn(CN)6. c , d The schematic illustrations of the step-wise structural evolution over the extraction/insertion …
25	1	3	192	#/texts/159#prov1	text	body	True	None	body	body						False	None	page_body	column_1_of_2	1	2	p25:page_body:column_1_of_2:white	[255, 255, 255]	white	False	False	[46.77, 439.44, 215.53, 223.76]	SO4 2 -> C2O4 2 -> PO4 3 -, metal oxalates can display competitive redox potentials. In 2014, Yamada ' s group prepared K4Na2[Fe(C2O4)2]3·2 H2O and studied its Na storage capability (Wang et al. 2015b). The material ini…	SO4 2 -> C2O4 2 -> PO4 3 -, metal oxalates can display competitive redox potentials. In 2014, Yamada ' s group prepared K4Na2[Fe(C2O4)2]3·2 H2O and studied its Na storage capability (Wang et al. 2015b). The material ini…
25	4	4	193	#/texts/170	page_header	page_header	False	low	docling_page_header	docling_page_header						False	None	top_margin	column_2_of_2	2	2	p25:top_margin:column_2_of_2:white	[255, 255, 255]	white	False	True	[433.24, 34.25, 67.04, 7.44]	Page 25 of 40 160	Page 25 of 40 160
25	6	5	194	#/texts/172	caption	caption	False	low	docling_caption	docling_caption						False	None	page_body	column_2_of_2	2	2	p25:page_body:column_2_of_2:white	[255, 255, 255]	white	False	False	[284.88, 387.39, 215.51, 27.25]	(Lee et al. 2014) with permission. e , f Voltage profile and cycling performance of a Prussian blue@C composite. Reproduced from ref. (Jiang et al. 2016) with permission	(Lee et al. 2014) with permission. e , f Voltage profile and cycling performance of a Prussian blue@C composite. Reproduced from ref. (Jiang et al. 2016) with permission
25	2	6	195	#/texts/159#prov2	text	body	True	None	body	body						False	None	page_body	column_2_of_2	2	2	p25:page_body:column_2_of_2:white	[255, 255, 255]	white	False	False	[284.88, 442.87, 215.38, 33.53]	critical issues should be addressed before their practical application, including the air (water, oxygen) sensitivity and thermal instability (decomposition) (Fig. 17).	critical issues should be addressed before their practical application, including the air (water, oxygen) sensitivity and thermal instability (decomposition) (Fig. 17).
25	7	7	196	#/texts/173	text	body	True	None	body	body						False	None	page_body	column_2_of_2	2	2	p25:page_body:column_2_of_2:white	[255, 255, 255]	white	False	False	[284.88, 492.76, 169.93, 21.12]	Fe- and Mn-based mixed anion compounds (fluorophosphates and mixed polyanions)	Fe- and Mn-based mixed anion compounds (fluorophosphates and mixed polyanions)
25	8	8	197	#/texts/174#prov0	text	body	True	None	body	body						False	None	page_body	column_2_of_2	2	2	p25:page_body:column_2_of_2:white	[255, 255, 255]	white	False	False	[284.88, 525.52, 215.5, 137.8]	The combination of different anion groups (F -, PO4 3 -, P2O7 4 -, CO3 2 -, etc.) offers new opportunities toward desirable electrode materials. The induction of highly electronegative F -ions enables higher redox poten…	The combination of different anion groups (F -, PO4 3 -, P2O7 4 -, CO3 2 -, etc.) offers new opportunities toward desirable electrode materials. The induction of highly electronegative F -ions enables higher redox poten…
26	2	1	198	#/texts/175	page_header	page_header	False	low	docling_page_header	docling_page_header						True	p26:body_region:0	top_margin	column_1_of_2	1	2	p26:top_margin:column_1_of_2:white	[255, 255, 255]	white	False	False	[46.77, 34.25, 12.51, 7.44]	160	160
26	3	2	199	#/texts/176	page_header	page_header	False	low	docling_page_header	docling_page_header						True	p26:body_region:0	top_margin	column_1_of_2	1	2	p26:top_margin:column_1_of_2:white	[255, 255, 255]	white	False	False	[67.64, 34.25, 46.28, 7.35]	Page 26 of 40	Page 26 of 40
26	1	3	200	#/texts/174#prov1	text	body	True	None	body	body						True	p26:body_region:0	page_body	column_1_of_2	1	2	p26:page_body:column_1_of_2:white	[255, 255, 255]	white	False	False	[46.77, 56.9, 215.54, 158.09]	Na ions can transport between the layers. The structure also favors a small volume change (3.7%) after extraction of one Na + ion, corresponding to a theoretical capacity of around 124 mAh g -1 as a cathode for SIBs. Th…	Na ions can transport between the layers. The structure also favors a small volume change (3.7%) after extraction of one Na + ion, corresponding to a theoretical capacity of around 124 mAh g -1 as a cathode for SIBs. Th…
26	5	4	201	#/texts/178	text	body	True	None	body	body						True	p26:body_region:0	page_body	column_1_of_2	1	2	p26:page_body:column_1_of_2:white	[255, 255, 255]	white	False	False	[46.76, 218.81, 215.52, 282.59]	Different from the 2D-layered Na2FePO4F, Na2MnPO4F adopts a 3D tunnel structure (space group: P 21/ n ) (Fig. 19b) (Yakubovich et al. 1997). By investigating the Mn-substituted Na2Fe1 -x Mn x PO4F, the presence of 0.25 …	Different from the 2D-layered Na2FePO4F, Na2MnPO4F adopts a 3D tunnel structure (space group: P 21/ n ) (Fig. 19b) (Yakubovich et al. 1997). By investigating the Mn-substituted Na2Fe1 -x Mn x PO4F, the presence of 0.25 …
26	6	5	202	#/texts/179#prov0	text	body	True	None	body	body						True	p26:body_region:0	page_body	column_1_of_2	1	2	p26:page_body:column_1_of_2:white	[255, 255, 255]	white	False	False	[46.77, 505.23, 215.53, 158.09]	Kim et al. first introduced the Fe-based mixed phosphate compound Na4Fe3(PO4)2(P2O7) to SIBs. As shown in Fig. 18c, the structure belongs to the orthorhombic Pbcn space group, which is constructed by [Fe3P2O13] layers a…	Kim et al. first introduced the Fe-based mixed phosphate compound Na4Fe3(PO4)2(P2O7) to SIBs. As shown in Fig. 18c, the structure belongs to the orthorhombic Pbcn space group, which is constructed by [Fe3P2O13] layers a…
26	4	6	203	#/texts/177	page_header	page_header	False	low	docling_page_header	docling_page_header						False	None	top_margin	column_2_of_2	2	2	p26:top_margin:column_2_of_2:white	[255, 255, 255]	white	False	False	[398.16, 34.25, 102.12, 7.35]	J Nanopart Res (2018) 20: 160	J Nanopart Res (2018) 20: 160
26	7	7	204	#/texts/179#prov1	text	body	True	None	body	body						False	None	page_body	column_2_of_2	2	2	p26:page_body:column_2_of_2:white	[255, 255, 255]	white	False	False	[284.88, 56.9, 215.54, 220.34]	Na x Fe3(PO4)2(P2O7) (Kim et al. 2013a). Wood et al. simulated molecular dynamics for Na4M3(PO4)2P2O7 (M = Fe, Mn, Co, Ni), with the results showed a small activation barrier of 0.20 -0.24 eV for 3D Na + migration and d…	Na x Fe3(PO4)2(P2O7) (Kim et al. 2013a). Wood et al. simulated molecular dynamics for Na4M3(PO4)2P2O7 (M = Fe, Mn, Co, Ni), with the results showed a small activation barrier of 0.20 -0.24 eV for 3D Na + migration and d…
26	8	8	205	#/texts/180	text	body	True	None	body	body						False	None	page_body	column_2_of_2	2	2	p26:page_body:column_2_of_2:white	[255, 255, 255]	white	False	False	[284.87, 281.06, 215.56, 270.17]	Carbonophosphates are an emerging class of mixed polyanion compounds in SIB system. The idea of engaging carbonophosphates was proposed by Ceder ' s group using ab initio computations (Hautier et al. 2011). They success…	Carbonophosphates are an emerging class of mixed polyanion compounds in SIB system. The idea of engaging carbonophosphates was proposed by Ceder ' s group using ab initio computations (Hautier et al. 2011). They success…
26	9	9	206	#/texts/181	section_header	body_heading	False	low	body_heading	body_heading						False	None	page_body	column_2_of_2	2	2	p26:page_body:column_2_of_2:white	[255, 255, 255]	white	False	False	[284.88, 579.95, 161.55, 8.75]	Fe- and Mn-based hexacyanometalates	Fe- and Mn-based hexacyanometalates
26	10	10	207	#/texts/182	text	body	True	None	body	body						False	None	page_body	column_2_of_2	2	2	p26:page_body:column_2_of_2:white	[255, 255, 255]	white	False	False	[284.88, 604.83, 215.45, 59.44]	Metal hexacyanometalates, also known as Prussian blue analogs (PBAs), have a general formula of AxP[R(CN)6]1-y □ y·nH2O (A: removable cations, P: N-coordinated metal ion; R: C-coordinated metal ion; □ : [R(CN)6] vacancy…	Metal hexacyanometalates, also known as Prussian blue analogs (PBAs), have a general formula of AxP[R(CN)6]1-y □ y·nH2O (A: removable cations, P: N-coordinated metal ion; R: C-coordinated metal ion; □ : [R(CN)6] vacancy…
27	1	1	208	#/texts/183	page_header	page_header	False	low	docling_page_header	docling_page_header						False	None	top_margin	left	None	None	p27:top_margin:left:white	[255, 255, 255]	white	False	False	[46.77, 34.25, 102.17, 7.35]	J Nanopart Res (2018) 20: 160	J Nanopart Res (2018) 20: 160
27	2	2	209	#/texts/184	page_header	page_header	False	low	docling_page_header	docling_page_header						False	None	top_margin	right	None	None	p27:top_margin:right:white	[255, 255, 255]	white	False	True	[433.24, 34.25, 67.04, 7.44]	Page 27 of 40 160	Page 27 of 40 160
27	3	3	210	#/texts/185	text	body	True	None	body	body						False	None	page_body	left	None	None	p27:page_body:left:white	[255, 255, 255]	white	False	False	[46.77, 56.9, 215.5, 606.42]	They are crystallized into a cubic structure with the space group of Fm -3m . The cyanide ligands link the coordinated metal ions together to form elementary cubes that can host various cations due to the large channels…	They are crystallized into a cubic structure with the space group of Fm -3m . The cyanide ligands link the coordinated metal ions together to form elementary cubes that can host various cations due to the large channels…
27	4	4	211	#/texts/186	caption	caption	False	low	outside_body_flow_caption	outside_body_flow_caption						False	None	page_body	right	None	None	p27:page_body:right:white	[255, 255, 255]	white	False	False	[287.89, 333.72, 7.44, 327.83]	Table 1 Electrochemical properties of representative Fe- and Mn-based cathode materials for LIBs	Table 1 Electrochemical properties of representative Fe- and Mn-based cathode materials for LIBs
28	1	1	212	#/texts/187	page_header	page_header	False	low	docling_page_header	docling_page_header						False	None	top_margin	left	None	None	p28:top_margin:left:white	[255, 255, 255]	white	False	False	[46.77, 34.25, 12.51, 7.44]	160	160
28	2	2	213	#/texts/188	page_header	page_header	False	low	docling_page_header	docling_page_header						False	None	top_margin	left	None	None	p28:top_margin:left:white	[255, 255, 255]	white	False	False	[67.64, 34.25, 46.28, 7.35]	Page 28 of 40	Page 28 of 40
28	3	3	214	#/texts/189	page_header	page_header	False	low	docling_page_header	docling_page_header						False	None	top_margin	right	None	None	p28:top_margin:right:white	[255, 255, 255]	white	False	False	[398.16, 34.25, 102.12, 7.35]	J Nanopart Res (2018) 20: 160	J Nanopart Res (2018) 20: 160
28	4	4	215	#/texts/190	caption	caption	False	low	docling_caption	docling_caption						False	None	page_body	left	None	None	p28:page_body:left:white	[255, 255, 255]	white	False	False	[152.79, 333.85, 7.44, 327.41]	Table 2 Electrochemical properties of representative Fe- and Mn-based cathode materials for SIBs	Table 2 Electrochemical properties of representative Fe- and Mn-based cathode materials for SIBs
29	1	1	216	#/texts/191	page_header	page_header	False	low	docling_page_header	docling_page_header						True	p29:body_region:0	top_margin	column_1_of_2	1	2	p29:top_margin:column_1_of_2:white	[255, 255, 255]	white	False	False	[46.77, 34.25, 102.17, 7.35]	J Nanopart Res (2018) 20: 160	J Nanopart Res (2018) 20: 160
29	3	2	217	#/texts/193	caption	caption	False	low	outside_body_flow_caption	outside_body_flow_caption						True	p29:body_region:0	front_matter	column_1_of_2	1	2	p29:front_matter:column_1_of_2:white	[255, 255, 255]	white	False	False	[46.77, 213.91, 378.27, 7.44]	Fig. 20 Illustration of the energy densities of those Fe- and Mn-based cathode materials for LIBs ( a ) and SIBs ( b )	Fig. 20 Illustration of the energy densities of those Fe- and Mn-based cathode materials for LIBs ( a ) and SIBs ( b )
29	4	3	218	#/texts/194	text	body	True	None	body	body						True	p29:body_region:0	front_matter	column_1_of_2	1	2	p29:front_matter:column_1_of_2:white	[255, 255, 255]	white	False	False	[46.77, 243.7, 215.49, 21.12]	Therefore, the practical difficulties regarding sulfates also exist here.	Therefore, the practical difficulties regarding sulfates also exist here.
29	5	4	219	#/texts/195	section_header	body_heading	False	low	body_heading	body_heading						True	p29:body_region:0	body_zone	column_1_of_2	1	2	p29:body_zone:column_1_of_2:white	[255, 255, 255]	white	False	False	[46.77, 293.54, 93.5, 8.75]	Summary and outlook	Summary and outlook
29	6	5	220	#/texts/196	text	body	True	None	body	body						True	p29:body_region:0	body_zone	column_1_of_2	1	2	p29:body_zone:column_1_of_2:white	[255, 255, 255]	white	False	False	[46.77, 318.42, 215.53, 207.92]	Considering the technology advances achieved on energy conversion and storage and the pressing concerns of carbon emission and environmental pollution, the transitions to clean, green, and sustainable development are pr…	Considering the technology advances achieved on energy conversion and storage and the pressing concerns of carbon emission and environmental pollution, the transitions to clean, green, and sustainable development are pr…
29	7	6	221	#/texts/197#prov0	text	body	True	None	body	body						True	p29:body_region:0	body_zone	column_1_of_2	1	2	p29:body_zone:column_1_of_2:white	[255, 255, 255]	white	False	False	[46.77, 530.11, 215.47, 133.2]	This review involves the discussion of most of the Feand Mn-based cathode materials for LIBs and SIBs, including oxides, polyanion compounds, and hexacyanometalates (for SIBs). We especially emphasize their merits, draw…	This review involves the discussion of most of the Feand Mn-based cathode materials for LIBs and SIBs, including oxides, polyanion compounds, and hexacyanometalates (for SIBs). We especially emphasize their merits, draw…
29	2	7	222	#/texts/192	page_header	page_header	False	low	docling_page_header	docling_page_header						False	None	top_margin	column_2_of_2	2	2	p29:top_margin:column_2_of_2:white	[255, 255, 255]	white	False	True	[433.24, 34.25, 67.04, 7.44]	Page 29 of 40 160	Page 29 of 40 160
29	8	8	223	#/texts/197#prov1	text	body	True	None	body	body						False	None	front_matter	column_2_of_2	2	2	p29:front_matter:column_2_of_2:white	[255, 255, 255]	white	False	False	[284.89, 243.69, 215.51, 58.48]	straightforward comparison, it is easy to understand the different development phases and goals of cathode materials for LIBs and SIBs. To meet the requirement of practical applications, significant challenges in this f…	straightforward comparison, it is easy to understand the different development phases and goals of cathode materials for LIBs and SIBs. To meet the requirement of practical applications, significant challenges in this f…
29	9	9	224	#/texts/198	list_item	body	True	None	recovered_body_outside_flow	recovered_body_outside_flow						False	None	body_zone	column_2_of_2	2	2	p29:body_zone:column_2_of_2:white	[255, 255, 255]	white	False	False	[284.89, 318.41, 215.42, 58.48]	The extensively investigated strategies of constructing conductive composites and tailoring particle size easily cause insufficient gravimetric and volumetric energy densities as well as additional materials and process…	The extensively investigated strategies of constructing conductive composites and tailoring particle size easily cause insufficient gravimetric and volumetric energy densities as well as additional materials and process…
29	10	10	225	#/texts/199	list_item	body	True	None	recovered_body_outside_flow	recovered_body_outside_flow						False	None	body_zone	column_2_of_2	2	2	p29:body_zone:column_2_of_2:white	[255, 255, 255]	white	False	False	[284.89, 380.72, 215.5, 58.42]	Due to the large size of the Na ion, conventional host structures do not favor efficient and repeatable Na ion (de)intercalation. A critical step to realizing large-scale SIB applications is to search stable and kinetic…	Due to the large size of the Na ion, conventional host structures do not favor efficient and repeatable Na ion (de)intercalation. A critical step to realizing large-scale SIB applications is to search stable and kinetic…
29	11	11	226	#/texts/200	list_item	body	True	None	recovered_body_outside_flow	recovered_body_outside_flow						False	None	body_zone	column_2_of_2	2	2	p29:body_zone:column_2_of_2:white	[255, 255, 255]	white	False	False	[284.89, 442.97, 215.42, 70.89]	Instead of emphasizing the electrode performance of a cathode material in a half cell, the practical performance should be demonstrated in full battery level, which requires innovation in the design and optimization of …	Instead of emphasizing the electrode performance of a cathode material in a half cell, the practical performance should be demonstrated in full battery level, which requires innovation in the design and optimization of …
29	12	12	227	#/texts/201	text	body	True	None	body	body						False	None	body_zone	column_2_of_2	2	2	p29:body_zone:column_2_of_2:white	[255, 255, 255]	white	False	False	[284.89, 542.57, 215.52, 120.73]	As discussed above, nanostructuring is used to boost the reactivity for many electrode materials, given that it reduce the diffusion lengths of mobile ions and electrons, which also have been reviewed intensively (Armst…	As discussed above, nanostructuring is used to boost the reactivity for many electrode materials, given that it reduce the diffusion lengths of mobile ions and electrons, which also have been reviewed intensively (Armst…
30	1	1	228	#/texts/202	page_header	page_header	False	low	docling_page_header	docling_page_header						True	p30:body_region:0	top_margin	column_1_of_2	1	2	p30:top_margin:column_1_of_2:white	[255, 255, 255]	white	False	False	[46.77, 34.25, 12.51, 7.44]	160	160
30	2	2	229	#/texts/203	page_header	page_header	False	low	docling_page_header	docling_page_header						True	p30:body_region:0	top_margin	column_1_of_2	1	2	p30:top_margin:column_1_of_2:white	[255, 255, 255]	white	False	False	[67.64, 34.25, 46.28, 7.35]	Page 30 of 40	Page 30 of 40
30	4	3	230	#/texts/205	text	body	True	None	body	body						True	p30:body_region:0	page_body	column_1_of_2	1	2	p30:page_body:column_1_of_2:white	[255, 255, 255]	white	False	False	[46.77, 56.9, 215.51, 394.72]	However, to compete with the benchmark LCO and NMC, efforts should be made to improving the gravimetric and volumetric energy densities at reduced cost. In comparison to the B external ^ modifications, governing the cry…	However, to compete with the benchmark LCO and NMC, efforts should be made to improving the gravimetric and volumetric energy densities at reduced cost. In comparison to the B external ^ modifications, governing the cry…
30	5	4	231	#/texts/206	text	back_matter_heading	False	low	back_matter_heading	back_matter_heading					stop_trigger	True	p30:body_region:0	page_body	column_1_of_2	1	2	p30:page_body:column_1_of_2:white	[255, 255, 255]	white	False	False	[46.77, 468.74, 215.52, 17.28]	Acknowledgments Funding support from ARC through its LP and DP programs is acknowledged.	Acknowledgments Funding support from ARC through its LP and DP programs is acknowledged.
30	6	5	232	#/texts/207	section_header	unknown_text	False	low	after_back_matter_stop	after_back_matter_stop					after_stop	True	p30:body_region:0	page_body	column_1_of_2	1	2	p30:page_body:column_1_of_2:white	[255, 255, 255]	white	False	False	[46.77, 501.12, 121.83, 7.44]	Compliance with ethical standards	Compliance with ethical standards
30	7	6	233	#/texts/208	text	back_matter_heading	False	low	after_back_matter_stop	after_back_matter_stop					after_stop	True	p30:body_region:0	page_body	column_1_of_2	1	2	p30:page_body:column_1_of_2:white	[255, 255, 255]	white	False	False	[46.77, 523.51, 215.49, 17.33]	Conflict of interest The authors declare that they have no conflict of interest.	Conflict of interest The authors declare that they have no conflict of interest.
30	8	7	234	#/texts/209	section_header	back_matter_heading	False	low	after_back_matter_stop	after_back_matter_stop					after_stop	True	p30:body_region:0	page_body	column_1_of_2	1	2	p30:page_body:column_1_of_2:white	[255, 255, 255]	white	False	False	[46.77, 564.25, 44.94, 8.75]	References	References
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30	3	10	237	#/texts/204	page_header	page_header	False	low	after_back_matter_stop	after_back_matter_stop					after_stop	False	None	top_margin	column_2_of_2	2	2	p30:top_margin:column_2_of_2:white	[255, 255, 255]	white	False	False	[398.16, 34.25, 102.12, 7.35]	J Nanopart Res (2018) 20: 160	J Nanopart Res (2018) 20: 160
30	11	11	238	#/texts/212	list_item	reference	False	low	after_back_matter_stop	after_back_matter_stop					after_stop	False	None	page_body	column_2_of_2	2	2	p30:page_body:column_2_of_2:white	[255, 255, 255]	white	False	False	[284.88, 55.45, 215.52, 47.37]	Amalraj F et al (2013) Study of the lithium-rich integrated compound xLi2MnO3·(1-x)LiMO2 (x around 0.5; M = Mn, Ni, Co; 2:2:1) and its electrochemical activity as positive electrode in lithium cells. J Electrochem Soc 1…	Amalraj F et al (2013) Study of the lithium-rich integrated compound xLi2MnO3·(1-x)LiMO2 (x around 0.5; M = Mn, Ni, Co; 2:2:1) and its electrochemical activity as positive electrode in lithium cells. J Electrochem Soc 1…
30	12	12	239	#/texts/213	list_item	reference	False	low	after_back_matter_stop	after_back_matter_stop					after_stop	False	None	page_body	column_2_of_2	2	2	p30:page_body:column_2_of_2:white	[255, 255, 255]	white	False	False	[284.88, 105.44, 215.47, 47.37]	Amine K, Tukamoto H, Yasuda H, Fujita Y (1997) Preparation and electrochemical investigation of LiMn2 -xMexO4 (Me: Ni, Fe, and x = 0.5, 1) cathode materials for secondary lithium batteries. J Power Sources 68:604 -608. …	Amine K, Tukamoto H, Yasuda H, Fujita Y (1997) Preparation and electrochemical investigation of LiMn2 -xMexO4 (Me: Ni, Fe, and x = 0.5, 1) cathode materials for secondary lithium batteries. J Power Sources 68:604 -608. …
30	13	13	240	#/texts/214	list_item	metadata	False	low	after_back_matter_stop	after_back_matter_stop					after_stop	False	None	page_body	column_2_of_2	2	2	p30:page_body:column_2_of_2:white	[255, 255, 255]	white	False	False	[284.88, 155.5, 215.52, 27.4]	Armstrong AR, Bruce PG (1996) Synthesis of layered LiMnO2 as an electrode for rechargeable lithium batteries. Nature 381: 499 -500. https://doi.org/10.1038/381499a0	Armstrong AR, Bruce PG (1996) Synthesis of layered LiMnO2 as an electrode for rechargeable lithium batteries. Nature 381: 499 -500.
30	14	14	241	#/texts/215	list_item	reference	False	low	after_back_matter_stop	after_back_matter_stop					after_stop	False	None	page_body	column_2_of_2	2	2	p30:page_body:column_2_of_2:white	[255, 255, 255]	white	False	False	[284.88, 185.48, 215.52, 47.47]	Armstrong AR, Holzapfel M, Novák P, Johnson CS, Kang S-H, Thackeray MM, Bruce PG (2006) Demonstrating oxygen loss and associated structural reorganization in the lithium battery cathode Li[Ni0.2Li0.2Mn0.6]O2. J Am Chem …	Armstrong AR, Holzapfel M, Novák P, Johnson CS, Kang S-H, Thackeray MM, Bruce PG (2006) Demonstrating oxygen loss and associated structural reorganization in the lithium battery cathode Li[Ni0.2Li0.2Mn0.6]O2. J Am Chem …
30	15	15	242	#/texts/216	list_item	reference	False	low	after_back_matter_stop	after_back_matter_stop					after_stop	False	None	page_body	column_2_of_2	2	2	p30:page_body:column_2_of_2:white	[255, 255, 255]	white	False	False	[284.88, 235.48, 215.44, 37.34]	Armstrong AR, Tee DW, La Mantia F, Novák P, Bruce PG (2008) Synthesis of tetrahedral LiFeO2 and Its behavior as a cathode in rechargeable lithium batteries. J Am Chem Soc 130:3554 -3559. https://doi.org/10.1021/ja077651g	Armstrong AR, Tee DW, La Mantia F, Novák P, Bruce PG (2008) Synthesis of tetrahedral LiFeO2 and Its behavior as a cathode in rechargeable lithium batteries. J Am Chem Soc 130:3554 -3559.
30	16	16	243	#/texts/217	list_item	reference	False	low	after_back_matter_stop	after_back_matter_stop					after_stop	False	None	page_body	column_2_of_2	2	2	p30:page_body:column_2_of_2:white	[255, 255, 255]	white	False	False	[284.88, 275.5, 215.43, 37.34]	Armstrong AR, Kuganathan N, Islam MS, Bruce PG (2011) Structure and lithium transport pathways in Li2FeSiO4 cathodes for lithium batteries. J Am Chem Soc 133:13031 -13035. https://doi.org/10.1021/ja2018543	Armstrong AR, Kuganathan N, Islam MS, Bruce PG (2011) Structure and lithium transport pathways in Li2FeSiO4 cathodes for lithium batteries. J Am Chem Soc 133:13031 -13035.
30	17	17	244	#/texts/218	list_item	reference	False	low	after_back_matter_stop	after_back_matter_stop					after_stop	False	None	page_body	column_2_of_2	2	2	p30:page_body:column_2_of_2:white	[255, 255, 255]	white	False	False	[284.89, 313.99, 215.54, 38.87]	Armstrong MJ, O ' Dwyer C, Macklin WJ, Holmes JD (2014) Evaluating the performance of nanostructured materials as lithium-ion battery electrodes. Nano Res 7:1 -62. https://doi. org/10.1007/s12274-013-0375-x	Armstrong MJ, O ' Dwyer C, Macklin WJ, Holmes JD (2014) Evaluating the performance of nanostructured materials as lithium-ion battery electrodes. Nano Res 7:1 -62. org/10.1007/s12274-013-0375-x
30	18	18	245	#/texts/219	list_item	reference	False	low	after_back_matter_stop	after_back_matter_stop					after_stop	False	None	page_body	column_2_of_2	2	2	p30:page_body:column_2_of_2:white	[255, 255, 255]	white	False	False	[284.89, 355.54, 215.52, 57.35]	Arroyo-de Dompablo ME, Armand M, Tarascon JM, Amador U (2006) On-demand design of polyoxianionic cathode materials based on electronegativity correlations: an exploration of the Li2MSiO4 system (M=Fe, Mn, Co, Ni). Elect…	Arroyo-de Dompablo ME, Armand M, Tarascon JM, Amador U (2006) On-demand design of polyoxianionic cathode materials based on electronegativity correlations: an exploration of the Li2MSiO4 system (M=Fe, Mn, Co, Ni). Elect…
30	19	19	246	#/texts/220	list_item	body_candidate_excluded	False	medium	after_back_matter_stop	after_back_matter_stop					after_stop	False	None	page_body	column_2_of_2	2	2	p30:page_body:column_2_of_2:white	[255, 255, 255]	white	False	False	[284.89, 415.51, 215.49, 47.37]	Banerjee A, Araujo RB, Ahuja R (2016) Unveiling the thermodynamic and kinetic properties of NaxFe(SO4)2 (x = 0-2): toward a high-capacity and low-cost cathode material. J Mater Chem A 4:17960 -17969. https://doi.org/10.…	Banerjee A, Araujo RB, Ahuja R (2016) Unveiling the thermodynamic and kinetic properties of NaxFe(SO4)2 (x = 0-2): toward a high-capacity and low-cost cathode material. J Mater Chem A 4:17960 -17969.
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30	21	21	248	#/texts/222	list_item	reference	False	low	after_back_matter_stop	after_back_matter_stop					after_stop	False	None	page_body	column_2_of_2	2	2	p30:page_body:column_2_of_2:white	[255, 255, 255]	white	False	False	[284.9, 505.53, 215.5, 47.37]	Barpanda P, Djellab K, Recham N, Armand M, Tarascon J-M (2011) Direct and modified ionothermal synthesis of LiMnPO4 with tunable morphology for rechargeable Li-ion batteries. J Mater Chem 21:10143 -10152. https://doi. o…	Barpanda P, Djellab K, Recham N, Armand M, Tarascon J-M (2011) Direct and modified ionothermal synthesis of LiMnPO4 with tunable morphology for rechargeable Li-ion batteries. J Mater Chem 21:10143 -10152. org/10.1039/C0…
30	22	22	249	#/texts/223	list_item	metadata	False	low	after_back_matter_stop	after_back_matter_stop					after_stop	False	None	page_body	column_2_of_2	2	2	p30:page_body:column_2_of_2:white	[255, 255, 255]	white	False	False	[284.9, 555.59, 215.51, 37.34]	Barpanda P et al (2012) Sodium iron pyrophosphate: a novel 3.0V iron-based cathode for sodium-ion batteries. Electrochem Commun 24:116 -119. https://doi.org/10.1016/j. elecom.2012.08.028	Barpanda P et al (2012) Sodium iron pyrophosphate: a novel 3.0V iron-based cathode for sodium-ion batteries. Electrochem Commun 24:116 -119.
30	23	23	250	#/texts/224	list_item	metadata	False	low	after_back_matter_stop	after_back_matter_stop					after_stop	False	None	page_body	column_2_of_2	2	2	p30:page_body:column_2_of_2:white	[255, 255, 255]	white	False	False	[284.9, 595.55, 215.4, 27.44]	Barpanda P et al (2013a) Na2FeP2O7: a safe cathode for rechargeable sodium-ion batteries. Chem Mater 25:3480 -3487. https://doi.org/10.1021/cm401657c	Barpanda P et al (2013a) Na2FeP2O7: a safe cathode for rechargeable sodium-ion batteries. Chem Mater 25:3480 -3487.
30	24	24	251	#/texts/225	list_item	body_candidate_excluded	False	medium	after_back_matter_stop	after_back_matter_stop					after_stop	False	None	page_body	column_2_of_2	2	2	p30:page_body:column_2_of_2:white	[255, 255, 255]	white	False	False	[284.88, 625.67, 215.44, 37.34]	Barpanda P, Ye T, Avdeev M, Chung S-C, Yamada A (2013b) A new polymorph of Na2MnP2O7 as a 3.6 V cathode material for sodium-ion batteries. J Mater Chem A 1:4194 -4197. https://doi.org/10.1039/C3TA10210F	Barpanda P, Ye T, Avdeev M, Chung S-C, Yamada A (2013b) A new polymorph of Na2MnP2O7 as a 3.6 V cathode material for sodium-ion batteries. J Mater Chem A 1:4194 -4197.
31	1	1	252	#/texts/226	page_header	page_header	False	low	after_back_matter_stop	after_back_matter_stop					after_stop	False	None	top_margin	column_1_of_2	1	2	p31:top_margin:column_1_of_2:white	[255, 255, 255]	white	False	False	[46.77, 34.25, 102.17, 7.35]	J Nanopart Res (2018) 20: 160	J Nanopart Res (2018) 20: 160
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31	5	3	254	#/texts/230	list_item	metadata	False	low	after_back_matter_stop	after_back_matter_stop					after_stop	False	None	page_body	column_1_of_2	1	2	p31:page_body:column_1_of_2:white	[255, 255, 255]	white	False	False	[46.77, 96.15, 215.52, 47.37]	Barpanda P, Oyama G, Nishimura S-i, Chung S-C, Yamada A (2014b) A 3.8-V earth-abundant sodium battery electrode. Nat Commun 5:4358. https://doi.org/10.1038/ncomms5358 https://www.nature.com/articles/ncomms5358 #suppleme…	Barpanda P, Oyama G, Nishimura S-i, Chung S-C, Yamada A (2014b) A 3.8-V earth-abundant sodium battery electrode. Nat Commun 5:4358.
31	6	4	255	#/texts/231	list_item	metadata	False	low	after_back_matter_stop	after_back_matter_stop					after_stop	False	None	page_body	column_1_of_2	1	2	p31:page_body:column_1_of_2:white	[255, 255, 255]	white	False	False	[46.77, 146.88, 215.54, 37.4]	Berthelot R, Carlier D, Delmas C (2010) Electrochemical investigation of the P2 -NaxCoO2 phase diagram. Nat Mater 10:74. https://doi.org/10.1038/nmat2920 https://www.nature. com/articles/nmat2920#supplementary-informati…	Berthelot R, Carlier D, Delmas C (2010) Electrochemical investigation of the P2 -NaxCoO2 phase diagram. Nat Mater 10:74.
31	7	5	256	#/texts/232	list_item	metadata	False	low	after_back_matter_stop	after_back_matter_stop					after_stop	False	None	page_body	column_1_of_2	1	2	p31:page_body:column_1_of_2:white	[255, 255, 255]	white	False	False	[46.77, 187.64, 215.5, 37.44]	Billaud J, Clément RJ, Armstrong AR, Canales-Vázquez J, Rozier P, Grey CP, Bruce PG (2014a) β -NaMnO2: a highperformance cathode for sodium-ion batteries. J Am Chem Soc 136:17243 -17248. https://doi.org/10.1021/ja509704t	Billaud J, Clément RJ, Armstrong AR, Canales-Vázquez J, Rozier P, Grey CP, Bruce PG (2014a) β -NaMnO2: a highperformance cathode for sodium-ion batteries. J Am Chem Soc 136:17243 -17248.
31	8	6	257	#/texts/233	list_item	metadata	False	low	after_back_matter_stop	after_back_matter_stop					after_stop	False	None	page_body	column_1_of_2	1	2	p31:page_body:column_1_of_2:white	[255, 255, 255]	white	False	False	[46.77, 228.34, 215.54, 37.34]	Billaud J et al (2014b) Na0.67Mn1-xMgxO2 (0 [less-than-orequal] x [less-than-or-equal] 0.2): a high capacity cathode for sodium-ion batteries. Energy Environ Sci 7:1387 -1391. https://doi.org/10.1039/C4EE00465E	Billaud J et al (2014b) Na0.67Mn1-xMgxO2 (0 [less-than-orequal] x [less-than-or-equal] 0.2): a high capacity cathode for sodium-ion batteries. Energy Environ Sci 7:1387 -1391.
31	9	7	258	#/texts/234	list_item	metadata	False	low	after_back_matter_stop	after_back_matter_stop					after_stop	False	None	page_body	column_1_of_2	1	2	p31:page_body:column_1_of_2:white	[255, 255, 255]	white	False	False	[46.77, 269.1, 215.5, 37.34]	Bo S-H et al (2014) Structures of delithiated and degraded LiFeBO3, and their distinct changes upon electrochemical cycling. Inorg Chem 53:6585 -6595. https://doi.org/10.1021 /ic500169g	Bo S-H et al (2014) Structures of delithiated and degraded LiFeBO3, and their distinct changes upon electrochemical cycling. Inorg Chem 53:6585 -6595.
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31	17	15	266	#/texts/242	list_item	body_candidate_excluded	False	medium	after_back_matter_stop	after_back_matter_stop					after_stop	False	None	page_body	column_1_of_2	1	2	p31:page_body:column_1_of_2:white	[255, 255, 255]	white	False	False	[46.81, 594.86, 215.4, 37.34]	Chen H, Dawson JA, Harding JH (2014) Effects of cationic substitution on structural defects in layered cathode materials LiNiO2. J Mater Chem A 2:7988 -7996. https://doi. org/10.1039/C4TA00637B	Chen H, Dawson JA, Harding JH (2014) Effects of cationic substitution on structural defects in layered cathode materials LiNiO2. J Mater Chem A 2:7988 -7996. org/10.1039/C4TA00637B
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33	25	25	342	#/texts/316	list_item	metadata	False	low	after_back_matter_stop	after_back_matter_stop					after_stop	False	None	page_body	column_2_of_2	2	2	p33:page_body:column_2_of_2:white	[255, 255, 255]	white	False	False	[284.88, 315.52, 215.5, 37.44]	Kim H et al (2012b) New iron-based mixed-polyanion cathodes for lithium and sodium rechargeable batteries: combined first principles calculations and experimental study. J Am Chem Soc 134:10369 -10372. https://doi.org/1…	Kim H et al (2012b) New iron-based mixed-polyanion cathodes for lithium and sodium rechargeable batteries: combined first principles calculations and experimental study. J Am Chem Soc 134:10369 -10372.
33	26	26	343	#/texts/317	list_item	body_candidate_excluded	False	medium	after_back_matter_stop	after_back_matter_stop					after_stop	False	None	page_body	column_2_of_2	2	2	p33:page_body:column_2_of_2:white	[255, 255, 255]	white	False	False	[284.88, 355.54, 215.49, 37.44]	Kim H et al (2013a) Understanding the electrochemical mechanism of t h e new i r o n - b a s e d mixed-phosphate Na4Fe3(PO4)2(P2O7) in a Na rechargeable battery. Chem Mater 25:3614 -3622. https://doi.org/10.1021/cm40138…	Kim H et al (2013a) Understanding the electrochemical mechanism of t h e new i r o n - b a s e d mixed-phosphate Na4Fe3(PO4)2(P2O7) in a Na rechargeable battery. Chem Mater 25:3614 -3622.
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40	8	8	555	#/texts/529	list_item	reference	False	low	after_back_matter_stop	after_back_matter_stop					after_stop	False	None	page_body	column_2_of_2	2	2	p40:page_body:column_2_of_2:white	[255, 255, 255]	white	False	False	[284.88, 86.45, 215.46, 47.37]	Zhu X, Li X, Zhu Y, Jin S, Wang Y, Qian Y (2014b) Porous LiNi0.5Mn1.5O4 microspheres with different pore conditions: preparation and application as cathode materials for lithium-ion batteries. J Power Sources 261:93 -10…	Zhu X, Li X, Zhu Y, Jin S, Wang Y, Qian Y (2014b) Porous LiNi0.5Mn1.5O4 microspheres with different pore conditions: preparation and application as cathode materials for lithium-ion batteries. J Power Sources 261:93 -10…
