Transmission electron microscope studies of LiNi1/3Mn1/3Co1/3O2 before and after long-term aging at 70°C

被引：45

作者：

Gabrisch, Heike ^{[1
]}

Yi, Tanghong ^{[1
]}

Yazami, Rachid ^{[2
]}

机构：

[1] Univ New Orleans, Adv Mat Res Inst, New Orleans, LA 70148 USA

[2] CALTECH, Div Chem & Chem Engn, Pasadena, CA 91125 USA

来源：

ELECTROCHEMICAL AND SOLID STATE LETTERS | 2008年 / 11卷 / 07期

关键词：

D O I：

10.1149/1.2919713

中图分类号：

O646 [电化学、电解、磁化学];

学科分类号：

081704 ;

摘要：

LiNi1/3Mn1/3Co1/3O2 is a potential cathode material for high-power applications in lithium-ion batteries. While cation ordering on a root 3 x root 3 R30 degrees in-plane superlattice was proposed for the layered structure, the experimental data do not fully support this model. Here, we present a systematic electron diffraction study of LiNi1/3Mn1/3Co1/3O2 in the pristine state and after aging. Our results show that a mixture of different phases in the starting material transforms to the O3-type phase and the cubic spinel phase after aging, accompanied by an increase in the percentage of polycrystals. (C) 2008 The Electrochemical Society.

引用

页码：A119 / A124

页数：6

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