期刊
SOLID STATE IONICS
卷 177, 期 26-32, 页码 2807-2810出版社
ELSEVIER
DOI: 10.1016/j.ssi.2006.03.033
关键词
silicon; anode; silver additive; lithium ion battery
Nanosized silver particles were uniformly distributed on the surface of silicon particles by electroless deposition (ED) and high-energy mechanical milling (HEMM) methods, respectively. The HEMM-prepared Si/Ag composite with 10 wt.% silver exhibited a high first coulombic efficiency of 83.4% and a large capacity of ca. 800 mA h g(-1) over 30 cycles as a result of conductivity enhancement. It was suggested that electric contact between silicon particles played a significant role in improving the cyclability of silicon electrode. (c) 2006 Elsevier B.V. All rights reserved.
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