期刊
JOURNAL OF THE ELECTROCHEMICAL SOCIETY
卷 160, 期 11, 页码 A2311-A2314出版社
ELECTROCHEMICAL SOC INC
DOI: 10.1149/2.113311jes
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资金
- Fundamental Research Funds for the Central Universities [3132013057, 3132013314]
- Education Department of Liaoning Province [L2013204]
Polyacrylonitrile-S/carbon composite with highly dispersed polyacrylonitrile-S in porous carbon was prepared by a feasible heat-treatment method. Excellent electrochemical performance of this composite was gained although the carbonization of polyacrylonitrile polymer chain was low. The retention capacity of polyacrylonitrile-S/carbon composite was up to 658.8 mAh g(-1) after 50 cycles, delivering 95% of the charging capacity in the second cycle. Polyacrylonitrile-S/carbon exhibited excellent reversible lithium storage capability at high current rate, resulting in a value of 518.2 mAh/g at 0.65 mA cm(-2), prior to other polyacrylonitrile-S composite. The enhancement attributes to the composite structure with porous carbon as the host. (C) 2013 The Electrochemical Society. All rights reserved.
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