Composite anode materials for Li-ion batteries

被引：24
|
作者：
Wen, Zhaoyin [1 ]
Yang, Xuefin [1 ]
Huang, Shahua [1 ]
机构：
[1] Chinese Acad Sci, Shanghai Inst Ceram, Shanghai 200050, Peoples R China
来源：
JOURNAL OF POWER SOURCES | 2007年 / 174卷 / 02期
基金：
中国国家自然科学基金;
关键词：
lithium-ion battery; high-rate performance; Li4Ti5O12/Ag; Li4Ti5O12/C; Si/Ag; Si/C;
D O I：
10.1016/j.jpowsour.2007.06.041
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
The Si (Li4Ti5O12)/Ag composites were synthesized by electroless deposition (ED), and amorphous carbon was incorporated into Si and Li4Ti5O12 by dehydration reaction using concentrated H2SO4 as dehydration agent and thermal decomposition of sucrose for the preparation of Si(Li4Ti5O12)/C composites. The Si/Ag(C) composite electrodes demonstrated superior cyclabilities owing to the improvement of electronic conductivity; meanwhile, the high-rate capability of Li4Ti5O12 electrode was also greatly improved after incorporation of silver and amorphous carbon. (c) 2007 Elsevier B.V. All rights reserved.
引用
收藏
页码：1041 / 1045
页数：5
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