期刊
ELECTROCHIMICA ACTA
卷 54, 期 16, 页码 4118-4122出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.electacta.2009.02.049
关键词
Al-Fe alloy; Al-Fe-C composite; High-energy ball milling; Anodic materials
资金
- National Basic Research Program of China [2009CB220100]
- National Science Foundation of China [20873095]
Al-C, Al-Fe and Al-Fe-C composite materials have been prepared by high-energy ball milling technique. The electrochemical measurements demonstrated that the Al-Fe-C composites have greatly improved electrochemical performances in comparison with Al, Al-C and Al-Fe anode. For example, Al71Fe9C20 can deliver the reversible capacity of 436 mAh g(-1) at first cycle and 255 mAh g(-1) at 15th cycle. This improved electrochemical performance could be attributed to the alloying formation of Al with Fe and the buffering effect by the graphite matrix. This suggests that the Al-Fe-C composite has a potential possibility to be developed as an anode material for lithium-ion batteries. (C) 2009 Published by Elsevier Ltd.
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