NDLI: Facile synthesis of iron-based compounds as high performance anode materials for Li-ion batteries

Content Provider	Royal Society of Chemistry (RSC)
Author	Li, Keyan Guo, Xinwen Shua, Fenfen Chen, Hao Xue, Dongfeng
Copyright Year	2014
Abstract	Iron oxide@C composites and lithium ferrites were synthesized by a cotton-template method as anode materials for Li-ion batteries. α-Fe2O3@C composites with 3-D porous hollow secondary structures were prepared by directly burning the cotton containing the iron salt (FeCl3 or Fe(NO3)3) in air, and the Fe3O4@C composites with similar structures were obtained by annealing α-Fe2O3@C under a N2 atmosphere. α-LiFeO2 and α-LiFe5O8 particles with sizes of 100–500 nm were also prepared using a similar method. Electrochemical measurements showed that all these samples demonstrated good electrochemical performances as Li-ion battery anodes, especially α-Fe2O3@C derived from Fe(NO3)3, which delivers a high reversible capacity of 990 mA h g−1 at 100 mA g−1 after 50 cycles. Both the porous hollow secondary structure and the suitable amount of amorphous carbon are significant for the electrochemical performances of the iron oxide@C composites. Such a method is simple, rapid and inexpensive and may facilitate the preparation of other high performance electrode materials with porous hollow structures.
Starting Page	36507
Ending Page	36512
Page Count	6
File Format	HTM / HTML PDF
ISSN	20462069
Volume Number	4
Issue Number	69
Journal	RSC Advances
DOI	10.1039/c4ra06889k
Language	English
Publisher	Royal Society of Chemistry
Access Restriction	Open
Subject Keyword	Iron oxide Electrode Anode Amorphous carbon Electrochemistry Lithium Cotton Biomolecular structure Nucleic acid thermodynamics
Content Type	Text
Resource Type	Article
Subject	Chemistry Chemical Engineering

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