COBALT STABILIZED LAYERED LITHIUM-NICKEL OXIDES, CATHODES IN LITHIUM RECHARGEABLE CELLS

被引:61
|
作者
BANOV, B
BOURILKOV, J
MLADENOV, M
机构
[1] Central Laboratory of Electrochemical Power Sources, Bulgarian Academy of Sciences
关键词
RECHARGEABLE LITHIUM BATTERIES; COBALT; NICKEL OXIDE; CATHODES;
D O I
10.1016/0378-7753(94)02082-E
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 the present paper the effect of cobalt, as substituent, on the stabilization of layered lithium-nickel oxides has been shown. Using an original method of synthesis, the series LiCo1-xNixO2 (O<x<1), has been obtained and analysed by X-ray powder diffraction. The electrochemical characteristics has been obtained in a three-electrode glass cell using standard electrolyte of 1 M LiClO4 in propylene carbonate:dimethyoxyethene. It has been demonstrated by cyclic voltammetry that the reversibility in the ternary Li-Ni-Co-O system increases with the Co content due to the enhanced stability and structural order of materials.
引用
收藏
页码:268 / 270
页数:3
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