期刊
MATERIALS LETTERS
卷 107, 期 -, 页码 27-30出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.matlet.2013.05.113
关键词
Anode; Nanoparticles; Fe2O3; Carbon nanotubes; Nanocomposites
资金
- Jiangsu Ordinary University Graduate Innovative Research Programs [CXZZ12_0961]
A novel Fe@Fe2O3 core-shell nanostructure attached to carbon nanotubes was synthesized by a facile hydrothermal method, and their morphologies, structures and electrochemical performances as anode materials of lithium-ion batteries were investigated. The results showed that the Fe@Fe2O3/CNTs nanocomposites displayed a reversible capacity of 702.7 mAh g(-1) up to 60 cycles at a current density of 100 mA g(-1), and exhibited much better rate capability compared to the commercial CNTs at various rates between 100 and 1000 mA g(-1). The excellent lithium storage and rate capacity performance of Fe@Fe2O3/CNTs nanocomposites are ascribed to synergistic effect between the Fe@Fe2O3 core-shell nanoparticles and randomly distributed CNTs, highlighting that the importance of the maximum use of the novel Fe@Fe2O3 core-shell nanocomposites and CNTs for energy storage applications in high-performance lithium-ion batteries (LIBs). Crown Copyright (C) 2013 Published by Elsevier B.V. All rights reserved.
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