Solid polymer electrolyte based on cross-linked polyvinylether

Details Solid polymer electrolyte based on cross-linked polyvinylether Solid polymer electrolyte based on cross-linked polyvinylether

1991-12-19

1992-12-22

Willis, Jr., Prince

Compositions

Electrolytes for electrical devices

252500, 252518, 429192, H01G 418, H01M 618

Patent

active

051732050

ABSTRACT:
A solid polymer electrolyte in membrane form, consisting of a solid solution of an ionic compound dissolved in a polyether, is obtained by copolymerizing a vinyl ether with an allyl vinyl ether to obtain a copolymer with allyl unsaturations; hydrosilylating the allyl double bond of this copolymer by reaction with an alkoxysilane to obtain a hydrosilylated copolymer; and cross-linking the hydrosilylated copolymer by means of a diprotic cross-linking agent, operating in solution in an organic solvent in the presence of an ionic compound, and evaporating the solvent to obtain a membrane.

REFERENCES:
patent: 4200701 (1980-04-01), Wetton
patent: 4471037 (1984-09-01), Bannister
patent: 4886716 (1989-12-01), Roggero
patent: 5064548 (1991-11-01), Roggero

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