Alkaline battery containing a separator of a cross-linked copoly

Details Alkaline battery containing a separator of a cross-linked copoly Alkaline battery containing a separator of a cross-linked copoly

1981-07-10

1985-03-19

LeFevour, Charles F.

Chemistry: electrical current producing apparatus, product, and

Current producing cell, elements, subcombinations and...

Include electrolyte chemically specified and method

429249, H01M 604

Patent

active

045059985

ABSTRACT:
A battery separator for an alkaline battery. The separator comprises a cross-linked copolymer of vinyl alcohol units and unsaturated carboxylic acid units. The cross-linked copolymer is insoluble in water, has excellent zincate diffusion and oxygen gas barrier properties and a low electrical resistivity. Cross-linking with a polyaldehyde cross-linking agent is preferred.

REFERENCES:
patent: 4109066 (1978-08-01), Dick et al.
patent: 4157423 (1979-06-01), Gadessand
patent: 4277572 (1981-07-01), Fujiwara et al.
patent: 4287275 (1981-09-01), Davis
patent: 4290833 (1981-09-01), Kadija et al.

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