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

页码：85 / 89

页数：5

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