The Electrochemical Behavior of Surface Modified Spinel LiMn2O4

被引：0
|
作者：
Chi, Yang [1 ]
机构：
[1] Mianyang Normal Univ, Sch Chem & Chem Engn, Mianyang 621000, Peoples R China
来源：
MATERIALS PROCESSING TECHNOLOGY II, PTS 1-4 | 2012年 / 538-541卷
关键词：
Spinel; coated; LiMn2O4; lithium ion battery; cathode material; Electrochemical Impedance; SECONDARY LITHIUM BATTERIES; MANGANESE OXIDE SPINEL; DIFFUSION-COEFFICIENT; CATHODE; PERFORMANCE; AL2O3; ELECTRODES; STABILITY; CAPACITY; CELL;
D O I：
10.4028/www.scientific.net/AMR.538-541.269
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Spinel LiMn2O4 is treated on its surface with CoO1-x/ZrO2 in this paper. Metal oxide-coated spinel LiMn2O4 was investigated with respect to electrochemical characteristics. The metal oxide coating process was carried out by using the solution method. CoO1+x/ZrO2-coated spinel LiMn2O4 exhibited stable cyclic performance in the range from 3.0 to 4.4V, and it has less electrochemical impedance, polarization and capacity loss. The cell composed of the CoO1-x/ZrO2-coated spinel LiMn2O4 can be discharged at a large current density.
引用
收藏
页码：269 / 275
页数：7
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