Lithium cobaltate based positive electrode-active material for lithium secondary cell and method of manufacturing same

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United States of America Patent

PATENT NO 5885544
SERIAL NO

08729527

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A lithium cobaltate based positive electrode-active material for a lithium secondary cell consisting of lithium cobaltate (LiCoO.sub.2) having 0.5% by weight or less of free cobalt oxide (Co.sub.3 0.sub.4). According to the present invention, it is possible to provide a lithium cobaltate based positive electrode-active material which has excellent discharge capacity and capacity holding rate and gives a high energy density, suitable for a lithium secondary cell.

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Patent Owner(s)

Patent OwnerAddress
NIPPON CHEMICAL INDUSTRIAL CO LTD9-11-1 KAMEIDO KOTO-KU TOKYO 1368515 ?1368515

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Negishi, Kathuyuki Tokyo, JP 2 20
Yamazaki, Nobuyuki Tokyo, JP 51 452

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