Battery separator

Details Battery separator Battery separator

1987-12-14

1988-12-06

Walton, Donald L.

Chemistry: electrical current producing apparatus, product, and

Current producing cell, elements, subcombinations and...

Separator, retainer or spacer insulating structure

429254, H01M 216

Patent

active

047896094

ABSTRACT:
A sheet product useful as a battery separator which is formed from a cationic polymer membrane free of hydrolyzable groups and, preferably, is part of a multi-ply sheet product composed of at least one ply of the cationic membrane and at least one ply of a microporous polyolefin sheet.

REFERENCES:
patent: 2968686 (1961-01-01), Duddy
patent: 4287276 (1981-09-01), Lundquist et al.
patent: 4434215 (1984-02-01), Wszolek et al.
patent: 4513121 (1985-04-01), Hansson et al.
patent: 4539277 (1985-09-01), Ishigaki et al.

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