Polyether copolymer and polymer solid electrolyte

Chemistry: electrical current producing apparatus – product – and – Current producing cell – elements – subcombinations and...

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252 622, 429188, 429192, 429194, H01M 600

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059686812

ABSTRACT:
A polyether copolymer prepared from 5 to 95% by mol of a monomer of the formula (I), 95 to 5% by mol of a monomer of the formula (II) and 0 to 15% by mol of a monomer of the formula (III) or (IV) as a crosslinking component; the copolymer having a weight-average molecular weight within the range from 10.sup.3 to 10.sup.7 : ##STR1## The copolymer of the present invention provides a polymer solid electrolyte having such a feature that it is superior in ionic conductivity and also superior in processability, moldability, mechanical strength and flexibility to a conventional solid electrolyte.

REFERENCES:
patent: 4578326 (1986-03-01), Armand et al.
patent: 4758483 (1988-07-01), Armand et al.
patent: 4818644 (1989-04-01), Armand et al.
Patent Abstract of Japan, vol. 12, No. 426, (C-542), Nov. 10, 1988, asbstract of Nakada Tetsuya, "Polyether Copolymer Having Oligooxyethylene Side Chain", Japanese 63-154736, Jun. 28, 1988.
Patent Abstract of Japan, vol. 12, No. 124, (E-601), Apr. 16, 1988, abstract of Noda Tomohiko, "Organic Solid Electrolyte", Japanese 62-249361, Oct. 30, 1987.
Patent Abstract of Japan, vol. 13, No. 348, (E-799), Aug. 4, 1989, abstract of Manabe Toshikatsu, "Lithium Ion Conductive Polymer Electrolyte", Japanese 01-107474, Apr. 25, 1989.

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