Electrochemical characteristics of a Si/Ge multilayer anode for lithium-ion batteries

被引：0
|
作者：
Kim, Myung-Hoon
Ahn, Seung-Ho
Park, Jong-Wan [1 ]
Ascencio, Jorge A.
机构：
[1] Hanyang Univ, Coll Engn, Div Mat Sci & Engn, Seoul 133791, South Korea
[2] Inst Mexicano Petr, Toluca 50140, Mexico
来源：
JOURNAL OF THE KOREAN PHYSICAL SOCIETY | 2006年 / 49卷 / 03期
关键词：
silicon; germanium; multilayer; anode; Li-ion batteries;
D O I：
暂无
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
A Si/Ge multilayer consisting of a active/active material was prepared using rf/dc magnetron sputtering. Ge is expected to act as a buffer against the volume change of the silicon and to enhance the cyclabilty. The structural and the electrochemical characteristics of the multilayers were investigated. The multilayer maintained greater than 65 % of its initial capacity (2090 mAhg(-1)) after 100 cycles whereas the initial capacity of the Si thin film was gradually degraded after 10 cycles.
引用
收藏
页码：1107 / 1110
页数：4
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