期刊
ELECTROCHIMICA ACTA
卷 70, 期 -, 页码 296-303出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.electacta.2012.03.098
关键词
Polypyrrole nano-wires; Polypyrrole micro-particles; Silicon anode materials; Lithium ion batteries
资金
- National Natural Science Foundation of China [51074185]
Silicon and polypyrrole composites with different microstructures of polypyrrole were synthesized using high-energy mechanical milling. The nano-wires polypyrrole and micro-particles polypyrrole act as a matrix to hold the active silicon grains as they repeatedly alloy with lithium during the operation of a lithium ion battery. The composite containing 10 wt.% polypyrrole nano-wires exhibits a relative better reversibility and cycle life than bare silicon, while the silicon/micro-particles polypyrrole composite shows no improvement. Crown Copyright (C) 2012 Published by Elsevier Ltd. All rights reserved.
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