Solid polymer electrolyte of an organopolysiloxane crosslinked w

Details Solid polymer electrolyte of an organopolysiloxane crosslinked w Solid polymer electrolyte of an organopolysiloxane crosslinked w

1990-09-18

1992-05-12

Willis, Jr., Prince

Compositions

Electrolytes for electrical devices

252500, 429192, 361527, 524779, 528 14, 528 25, H01B 112, C08G 7746

Patent

active

051125129

ABSTRACT:
An ionically conductive material comprises crosslinked copolymer prepared by the reaction of (A) organopolysiloxane and polyoxyalkylene copolymer, which has at least 2 silicon-bonded hydrogen atoms in each molecule, with (B) polyoxyalkylene having at least 2 aliphatically unsaturated hydrocarbon groups in each molecule, and (C) metal ion from Group I or Group II of the Periodic Table, wherein said metal ion is dispersed in said crosslinked copolymer. Component (B) is a polyoxyalkylene having an aliphatically unsaturated hydrocarbon group at both chain terminals or a mixture of molecules in which some have an aliphatically unsaturated hydrocarbon group at both ends and some having the group at only one end. This mixture gives the highest conductivity.

REFERENCES:
patent: 4489191 (1984-12-01), Chung
patent: 4520160 (1985-05-01), Brown
patent: 4798773 (1989-01-01), Yasukawa
patent: 4845153 (1989-07-01), Fontanille
patent: 4906718 (1990-03-01), Gornowicz et al.
patent: 5037712 (1991-08-01), Shackle
Solid State Ionics, 15, (1985), 233-240.

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