Study on Al2O3 coated carbon sulfur composite materials for lithium-ion battery

被引：1
|
作者：
Liang, Xinghua [1 ]
Ye, Chaochao [1 ]
Liu, Yusi [1 ]
Liu, Tianjiao [1 ]
Shi, Lin [1 ]
机构：
[1] Guangxi Univ Sci & Technol, Guangxi Key Lab Automobile Components & Vehicle T, Liuzhou 5450006, Peoples R China
来源：
ENERGY DEVELOPMENT, PTS 1-4 | 2014年 / 860-863卷
关键词：
Cathode material:carbon sulfur composite material (C/S); Al2O3; surface coating;
D O I：
10.4028/www.scientific.net/AMR.860-863.952
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
Coated Al2O3 thin film on the surface of the carbon sulfur composite material by liquid phase impregnation method, then made physical and chemical properties and electrochemical performance analysis on the coated carbon sulfur composite materials.Al2O3 reduce the direct contact of the carbon sulfur composite materials and electrolyte, reducing the erosion of electrolyte on cathode materials, improve the cycle performance of carbon sulfur composite material. 0.1C in the 2.1 similar to 3.2v cycle 20 to 100 times. The capacity retention rate increased from 70% to 90% after coating.
引用
收藏
页码：952 / +
页数：2
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