Structure changes in lithium manganese spinel after high-temperature storage

被引：5

作者：

Kamiyama, T ^{[1
]}

Kobayashi, H

Kanno, R

Oikawa, K

Matsumura, T

Torii, S

Sakai, T

机构：

[1] High Energy Accelerator Res Org, Tsukuba, Ibaraki 3050801, Japan

[2] Osaka Natl Res Inst, Ikeda, Osaka 5638577, Japan

[3] Tokyo Inst Technol, Tokyo 1528552, Japan

来源：

APPLIED PHYSICS A-MATERIALS SCIENCE & PROCESSING | 2002年 / 74卷 / Suppl 1期

关键词：

D O I：

10.1007/s003390201437

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Li1+xMn2-xO4 spinels (x = 0.0-0.1) after storage at several temperatures were investigated by the Rietveld analysis of high-resolution neutron powder diffraction data. With increasing storage temperature in an electrolyte, the Mn site is likely to be more deficient. In chemically Li-deintercalated Li1.03Mn1.97O4, which was used as a model system for studying the stability of charged states with different charge depths, phase separation due to variation of the Li occupancy in the structure proceeded in slightly deintercalated spinels after storage at 80 degreesC.

引用

页码：S1219 / S1221

页数：3

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