Positive electrode for non-aqueous electrolyte lithium secondary battery and method of manufacturing the same

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United States of America Patent

PATENT NO 5609975
SERIAL NO

08439218

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Abstract

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A positive electrode for a non-aqueous electrolyte lithium secondary battery comprises an active material represented by the formula Li.sub.x A.sub.1-y M.sub.y O.sub.2 (wherein A represents at least one transition element selected from the group consisting of Mn, Co, and Ni, M represents at least one element selected from the group consisting of B, Mg, Ca, Sr, Ba, Ti, V, Cr, Mn, Fe, Co, Ni, Cu, Al, In, Nb, Mo, W, Y, and Rh, and wherein 0.05.ltoreq.x.ltoreq.1.1, and 0.ltoreq.y.ltoreq.0.5), a binder, a conductive agent and a current collector. The binder is selected from the group consisting of a copolymer comprising a tetrafluoroethylene unit and a hexafluoropropylene unit, a copolymer comprising a vinylidene fluoride unit, a copolymer comprising a propylene unit and a tetrafluoroethylene unit, and a polymer comprising a trifluoropropylmethylsiloxane unit.

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Patent Owner(s)

Patent OwnerAddress
MATSUSHITA ELECTRIC INDUSTRIAL CO LTDOSAKA JAPAN

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Bito, Yasuhiko Osaka Prefecture, JP 65 1399
Hasegawa, Masaki Hirakata, JP 126 1178
Ito, Shuji Akashi, JP 102 1168
Murata, Toshihide Izumiotsu, JP 25 218
Toyoguchi, Yoshinori Yao, JP 46 805

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