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Bulletin of the Korean Chemical Society (BKCS)

ISSN 0253-2964(Print)
ISSN 1229-5949(Online)
Volume 22, Number 12
BKCSDE 22(12)
December 20, 2001 

The Novel Synthetic Route to LiCoyNi1-yO2 as a Cathode Material in Lithium Secondary Batteries
Seong-Gu Kang, Kwang Sun Ryu, Soon Ho Chang, Sin-Chong Park
Lithium secondary battery, Cathode materials, LiCoyNi1-yO2.
The structure and electrochemical properties of the LixCoyNi1-yO2 (y=0.1, 0.3, 0.5, 0.7, 1.0) system synthesized by solid state reaction with various starting materials have been investigated to optimize the characteristics and synthetic conditions of the LixCoyNi1-yO2. The first discharge capacities of LixCoyNi1-yO2 are 60 mAh/g-180 mAh/g with synthetic conditions. Among them, the LixNi0.7Co0.3O2, which was prepared with LiOH, NiO, and Co3O4 at 850℃, had the best electrochemical properties. The first discharge capacity of the compound was 180 mAh/g.
1328 - 1332
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