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Volume 22, Issue 4, Pages 257-263
http://dx.doi.org/10.1155/2000/43197

The Li and Co-Substituted Spinel Mn Oxide, (Li)8a[Lix/4Co3x/4Mn2x]16dO4, and Its Use as Cathode Material in Flat and Flexible Lithium Battery

1Départment of Chemistry, Korea University, Sungbuk-Gu, Seoul 136-701, Korea
2Institut de Chimie de la Matière Condensée de Bordeaux (ICMCB), Avenue du Dr. Schweitzer, Pessac Cedex, 33608, France

Received 6 January 2000; Accepted 28 January 2000

Copyright © 2000 Hindawi Publishing Corporation. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

The partial substitution of manganese by lithium and cobalt ions in 16d octahedral sites enhances the electrochemical cyclability of LiMn2O4 upon cycling. The improvement in cycling performance is mainly attributed to the suppression of the Jahn–Teller distortion in the spinel structure. The as-doped spinel Mn oxide has been successfully used as cathode material in flat and flexible lithium battery.