期刊
ELECTROCHIMICA ACTA
卷 56, 期 25, 页码 9233-9239出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.electacta.2011.07.141
关键词
Core-shell structure; Carbon coating; Fe3O4 nanoparticles; Lithium-ion battery; Anode material
资金
- Nature Science Foundation of Xinjiang Province [200821121]
- National Natural Science of China [20866009, 20861008]
- Science and Technology Assistance of Xinjiang Province [200991101]
- Technological People Service Corporation [2009GJG40028]
- Science and Technology Foundation of Urumqi [y08231006, ZD8113007]
- Science and Technology Foundation of Xinjiang University [BS100114]
Core-shell structure carbon coating Fe3O4 nanoparticles are prepared by a two-step method. The crystalline structure and the electrochemical performance of the prepared samples are investigated. The results indicate that a uniform and continuous carbon layer is formed on the surface of Fe3O4 nanoparticles. The core-shell structure Fe3O4/C nanoparticles show a high initial discharge capacity of 1546 mAh g(-1) and a specific stable discharge capacity of about 800 mAh g(-1) at 0.5 C with no noticeable capacity fading up to 100 cycles. (C) 2011 Elsevier Ltd. All rights reserved.
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