CNTs-Cu composite layer enhanced Sn-Cu alloy as high performance anode materials for lithium-ion batteries

被引：26
|
作者：
Lei, W. X. [1 ,2 ]
Pan, Y. [1 ,2 ]
Zhou, Y. C. [1 ,2 ]
Zhou, W. [1 ,2 ]
Peng, M. L. [1 ,2 ]
Ma, Z. S. [1 ,2 ]
机构：
[1] Xiangtan Univ, Minist Educ, Key Lab Low Dimens Mat & Applicat Technol, Xiangtan 411105, Hunan, Peoples R China
[2] Xiangtan Univ, Fac Mat Optoelect & Phys, Xiangtan 411105, Hunan, Peoples R China
来源：
RSC ADVANCES | 2014年 / 4卷 / 07期
基金：
中国国家自然科学基金;
关键词：
NEGATIVE ELECTRODES; ELECTROCHEMICAL PERFORMANCE; CARBON NANOTUBES; POROUS CU; CO ALLOY; LITHIATION; NANOPARTICLES; SUBSTRATE; BEHAVIOR; FE;
D O I：
10.1039/c3ra44431g
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
A Sn-Cu-CNTs composite anode with a CNTs-Cu transition layer has been successfully synthesized via an electrodeposition method. Different temperatures have been employed to heat-treat Sn-Cu-CNTs composites. After heat-treating at 200 degrees C for 6 h, strong adherence is achieved between the Cu6Sn5-Cu3Sn- CNTs active material and the current collector. Good cycling performance (513.3 mA h g(-1) after 100 cycles at 1 C) and superior rate capability (as high as 16 C) can be obtained due to the insertion of evenly distributed CNTs in the composite anode materials.
引用
收藏
页码：3233 / 3237
页数：5
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