High-Rate Capability and Enhanced Cyclability of Antimony-Based Composites for Lithium Rechargeable Batteries
- 1 January 2007
- journal article
- Published by The Electrochemical Society in Journal of the Electrochemical Society
- Vol. 154 (10) , A917-A920
- https://doi.org/10.1149/1.2761829
Abstract
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.Keywords
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