Electrochemical studies of Li/LixMn2O4 by using powder microelectrode

被引：14
|
作者：
Yang, WS [1 ]
Zhang, G [1 ]
Lu, SG [1 ]
Xie, JY [1 ]
Liu, QG [1 ]
机构：
[1] Univ Sci & Technol Beijing, Beijing 100083, Peoples R China
来源：
SOLID STATE IONICS | 1999年 / 121卷 / 1-4期
关键词：
powder microelectrode technique; cyclic voltammogram; AC impedance; potential step method; lithium-ion battery; spinel LiMn2O4; diffusion coefficient;
D O I：
10.1016/S0167-2738(98)00533-5
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
In this work, cyclic voltammogram, AC impedance and potential step method have been used to study the electrochemical properties of Li/LixMn2O4 system using a powder microelectrode technique. The results show that the diffusion of lithium ions in LixMn2O4 particles is the rate-determining step. The diffusion coefficient of lithium ion and the exchange current density have been measured at different x values of LixMn2O4. (C) 1999 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：85 / 89
页数：5
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