期刊
ELECTROCHEMISTRY COMMUNICATIONS
卷 38, 期 -, 页码 124-127出版社
ELSEVIER SCIENCE INC
DOI: 10.1016/j.elecom.2013.11.021
关键词
alpha-FeSe; Anode materials; Lithium batteries
资金
- 973 Project of China [2011CB935901]
- National Natural Science Fund of China [91022033]
- Fundamental Research Funds for the Central Universities [WK 2340000027]
- Anhui Provincial Natural Science Foundation [1208085QE101]
Carbon-coated alpha-FeSe nanoparticles in an average size of 200 nm have been prepared by a facile one-pot reaction. As an anode material for lithium batteries, the core-shell alpha-FeSe@C composites showed a discharge plateau at 1.5 V, which could effectively avoid the formation of the lithium dendrites and the solid-electrolyte interface layer. They delivered a sustainable reversible capacity of 340 mAh g(-1) after 40 cycles, which is about twice as much as that of the Li4Ti5O12 (175 mAh g(-1)), thereby indicating its promising applications for lithium storage. (C) 2013 Elsevier By. All rights reserved.
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