Study of metal-supported carbon matrix as a high-capacity anode for Li-ion battery

被引：9
|
作者：
Trifonova, A. [1 ]
Stankulov, T. [1 ]
Winter, M. [2 ]
机构：
[1] Bulgarian Acad Sci, Inst Electrochem & Energy Syst, BU-1113 Sofia, Bulgaria
[2] Graz Univ Technol, Inst Chem Technol Inorgan Mat, A-8010 Graz, Austria
来源：
IONICS | 2008年 / 14卷 / 05期
关键词：
tin-graphite composite; chemical reductive coating; lithium intercalation; high-density anodes;
D O I：
10.1007/s11581-007-0193-9
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：
Tin-graphite composite with 20 wt. % metal content as well as its structural and electrochemical characteristics are presented. Synthetic graphite-super flake type-was used as object for the modification experiment. Chemical reduction was applied for the loading process, which was carried out under inert argon atmosphere. Composite with specific morphology and improved electrochemical behavior was prepared. The obtained material shows higher discharge capacity as well as increased initial charge-discharge coulomb efficiency, compared with the unmodified one. The supporting metal morphology, the type of graphite, and the preparation process taken together generally affect the improvement of the electrochemical performance.
引用
收藏
页码：421 / 425
页数：5
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