Polymeric solid electrolyte

H - Electricity – 01 – M

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31/154, 319/65

H01M 4/60 (2006.01) C08F 299/00 (2006.01) G02F 1/15 (2006.01) H01B 1/12 (2006.01) H01M 6/18 (2006.01)

Patent

CA 1305517

Abstract: The present invention relates to a polymeric solid electrolyte which comprises a network molecule formed by polymerizing a polyethylene glycol with acrylic or methacrylic groups at both ends, and contain- ing therein (a) a specific acrylate-type copolymer, (b) a low molecular polyethylene glycol with both ends methyl-esterified, and (c) an alkali metal salt or ammonium salt. The polymeric solid electrolyte of the present invention has an ionic conductivity of 10-5 S/cm or higher at room temperature, is strong in film strength even with a thickness of 100 µm or less, and is superb in adherence to electrodes.

601403

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