Electrochemical performances of Al-based composites as anode materials for Li-ion batteries

被引：39

作者：

Chen, Zhongxue ^{[1
]}

Qian, Jiangfeng ^{[1
]}

Ai, Xinping ^{[1
]}

Cao, Yuliang ^{[1
]}

Yang, Hanxi ^{[1
]}

机构：

[1] Wuhan Univ, Dept Chem, Hubei Key Lab Electrochem Power Sources, Wuhan 430072, Peoples R China

来源：

ELECTROCHIMICA ACTA | 2009年 / 54卷 / 16期

基金：

美国国家科学基金会;

关键词：

Al-Fe alloy; Al-Fe-C composite; High-energy ball milling; Anodic materials; CO-C COMPOSITE; ELECTRODE MATERIALS; ALLOY COMPOSITE; LITHIUM; ALUMINUM; CAPACITY; FATIGUE; TIN;

D O I：

10.1016/j.electacta.2009.02.049

中图分类号：

O646 [电化学、电解、磁化学];

学科分类号：

081704 ;

摘要：

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.

引用

页码：4118 / 4122

页数：5

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