Solid polymer electrolytes

Details Solid polymer electrolytes Solid polymer electrolytes

1991-04-16

1993-02-16

Kalafut, Stephen

Chemistry: electrical current producing apparatus, product, and

Current producing cell, elements, subcombinations and...

Include electrolyte chemically specified and method

252 622, 29 2503, H01M 616

Patent

active

051870320

ABSTRACT:
There is described a solid polymer electrolyte containing an ionic salt in a three-dimensional crosslinked compound of a poly(vinylalkyl ether) represented by the following general formula: ##STR1## (where R is CH.sub.3, C.sub.2 H.sub.5 or CH(CH.sub.3)(C.sub.2 H.sub.5); and n is an integer of 100-2,000). The poly(vinylalkyl ether) is preferably poly(vinylmethyl ether) and crosslinked by exposure to an ionizing radiation. The solid polymer electrolyte also contains a compound that is capable of solubilizing the ionic salt.

REFERENCES:
patent: 4303748 (1981-12-01), Armand et al.
patent: 4357401 (1982-11-01), Andre et al.
patent: 4792504 (1988-12-01), Schwab et al.
patent: 4818643 (1989-04-01), Cook et al.
patent: 4990413 (1991-02-01), Lee et al.
Cowie et al, Chemical Abstracts vol. 106, No. 139040 (1987).
Cowie et al., "Ionic conductivities and glass transition temperatures in poly(vinyl methyl ether)-salt mixtures", Polymer Bulletin, vol. 17, pp. 113-117 (1987).
Complexes of Alkalai Metal Ions with Poly (Ethylene Oxide), Fenton, D. E., Polymers, 1973, vol. 14, p. 589 Nov.

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