Electrochemical study on LiMn2O4 as cathode material for lithium ion batteries

被引：0
|
作者：
Wu, HM [1 ]
Tu, JP [1 ]
Chen, XT [1 ]
Li, Y [1 ]
Zhao, XB [1 ]
Cao, GS [1 ]
机构：
[1] Zhejiang Univ, Dept Mat Sci & Engn, Hangzhou 310027, Peoples R China
来源：
JOURNAL OF ELECTROANALYTICAL CHEMISTRY | 2006年 / 586卷 / 02期
关键词：
LiMn2O4; lithium ion batteries; spray-drying method; high-rate capability;
D O I：
10.1016/j.jelechem.2005.10.007
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
Well-defined spinel LiMn2O4 powders were synthesized by spray-drying method and traditional solid-state reaction, respectively. The as-prepared powders were characterized by X-ray diffraction (XRD) and scanning electron microscopy (SEM). Both of them showed exact spinel crystalline structure, but they exhibited different morphology. LiMn2O4 prepared by spray-drying method showed significantly better electrochemical characteristics. Its initial discharge capacity was 123 mA h g(-1) (1/10 C) with better reaction kinetics, as well as good high-rate capability. (c) 2005 Elsevier B.V. All rights reserved.
引用
收藏
页码：180 / 183
页数：4
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