Galvanic cell

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United States of America Patent

PATENT NO 5527639
SERIAL NO

08297006

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Abstract

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A galvanic cell is in which at least one of the negative electrode, the positive electrode and the separator comprises a solid electrolyte prepared by doping an ionic compound to an organic polymer. The organic polymer is a polymer obtained by crosslinking an organic compound having a structure of the general formula (I): Z-[(A).sub.m -(E).sub.p -Y].sub.k (I) where Z is a residue of a compound containing at least one active hydrogen; A is represented by the following formula (II) ##STR1## wherein n is an integer of 0 to 25 and R is an alkyl having 1 to 20 carbon atoms, alkenyl, aryl or alkylaryl; E is at least one of --(R.sup.2 O)--, R.sup.2 being an alkylene having two or more carbon atoms; Y is an active hydrogen or a polymerizable functional group; k is an integer of 1 to 12; m is an integer of 1 to 250; p is an integer of 1 to 450; and A is copolymerized with E. When E is --(CH.sub.2 CH.sub.2 O)--, A and E are random-copolymerized, but when E comprises --(R.sub.2 O)-- in which R.sup.2 is an alkylene having three or more carbon atoms, A and E may be either random- or block-copolymerized.

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Patent Owner(s)

Patent OwnerAddress
GS YUASA CORPORATION1 INOBABA-CHO NISHINOSHO KISSHOIN MINAMI-KU KYOTO-SHI KYOTO 601-8520

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Imachi, Hiroshi Takatsuki, JP 5 46
Izuti, Shyuiti Koga-gun, JP 5 94
Kono, Michiyuki Neyagawa, JP 34 302
Mori, Shigeo Kyoto, JP 117 1196
Motogami, Kenji Takatsuki, JP 11 71
Noda, Tomohiko Takatsuki, JP 10 234
Takeda, Kazunari Takatsuki, JP 23 138

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