High-rate capability and enhanced cyclability of antimony-based composites for lithium rechargeable batteries

被引：91

作者：

Park, Cheol-Min ^{[1
]}

Yoon, Sukeun ^{[1
]}

Lee, Sung-Il ^{[1
]}

Kim, Jae-Hun ^{[1
]}

Jung, Jin-Ho ^{[1
]}

Sohn, Hun-Joon ^{[1
]}

机构：

[1] Seoul Natl Univ, Res Ctr Energy Convers & Storage, Dept Mat Sci & Engn, Seoul 151742, South Korea

来源：

JOURNAL OF THE ELECTROCHEMICAL SOCIETY | 2007年 / 154卷 / 10期

关键词：

D O I：

10.1149/1.2761829

中图分类号：

O646 [电化学、电解、磁化学];

学科分类号：

081704 ;

摘要：

Antimony (Sb)/carbon nanocomposite and Sb/carbon/graphite composite were prepared by high-energy mechanical milling and were investigated as an anode material for Li rechargeable batteries. X-ray diffraction and high-resolution transmission electron microscopy revealed that the Sb/carbon nanocomposite is composed of nanosized Sb and amorphous carbon, and the electrochemical tests showed that it exhibited good electrochemical reversibility and enhanced cyclability. Moreover, the cyclic performance and high-rate capability can be further enhanced by controlling the voltage range or discharge capacity. Also, Sb/carbon/ graphite composite showed a high capacity with very good cyclic performance. (c) 2007 The Electrochemical Society.

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收藏

页码：A917 / A920

页数：4

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