Electrochemical evaluation of LiCoO2 synthesized by decomposition and intercalation of hydroxides for lithium-ion battery applications

被引:1
作者
B. Huang
Y-I. Jang
Y-M. Chiang
D. R. Sadoway
机构
[1] Massachusetts Institute of Technology,Department of Materials Science and Engineering
来源
Journal of Applied Electrochemistry | 1998年 / 28卷
关键词
cathode; cyclic voltammetry; intercalation/deintercalation; LiCoO2>; lithium-ion battery;
D O I
暂无
中图分类号
学科分类号
摘要
LiCoO2 has been synthesized by a solid-state synthesis route involving the decomposition and intercalation of hydroxide precursors generated by precipitation and freeze-drying. Cyclic voltammetry of LiCoO2 obtained by heating at 100°C for 2h has shown this material to be electrochemically active with an initial discharge capacity of 92mAhg−1. Optimization of processing conditions reduced the firing time to as little as 2h at 800°C, producing LiCoO2 powders with high reversible capacity (142mAhg−1), good rate capability, and good cyclability. The favourable performance of this oxide powder in LiCoO2/C lithium-ion cells using the present oxide powders shows the instant synthesis route to be promising and cost-effective for lithium-ion battery applications.
引用
收藏
页码:1365 / 1369
页数:4
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