Polymeric solid electrolyte

Details Polymeric solid electrolyte Polymeric solid electrolyte

1994-02-25

1995-06-13

Jagannathan, Vasu S.

Chemistry: electrical current producing apparatus, product, and

Current producing cell, elements, subcombinations and...

Include electrolyte chemically specified and method

429213, 252 622, 2521821, 525 61, H01M 618

Patent

active

054241502

ABSTRACT:
A polymeric solid electrolyte comprising a high molecular compound and a salt wherein the high molecular compound is a product formed by graft-polymerizing an alkylene oxide to the saponification product of a copolymer of ethylene with a vinyl ester of an aliphatic carboxylic acid. The polymeric solid electrolyte has a high ionic conductivity of 10.sup.-5 S/cm or more even at a temperature of 30.degree. C., shows a low temperature dependency of ionic conductivity and thus can be used as the solid electrolyte of various electrochemical devices such as batteries.

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