Separator for alkaline batteries

Details Separator for alkaline batteries Separator for alkaline batteries

1993-06-01

1994-11-22

Kalafut, Stephen

Chemistry: electrical current producing apparatus, product, and

Current producing cell, elements, subcombinations and...

Separator, retainer, spacer or materials for use therewith

429255, H01M 216

Patent

active

053668324

ABSTRACT:
A separator for alkaline batteries comprising as at least part of the main fibers a fibrilated product of cellulose fiber obtained by dissolving cellulose in a solvent and depositing cellulose directly. As another main fiber, preferably an extra fine synthetic fiber, particularly preferably a polyvinyl alcohol synthetic fiber is used. The binder is preferably polyvinyl alcohol. Also provided is an alkaline battery wherein such a separator is used. Preferably, the above cellulose fiber is cellulose fiber whose wet Young's modulus is 20 g/d or more and orientation degree .DELTA.n is 42.times.10.sup.-3 or more.

REFERENCES:
patent: 2531504 (1950-11-01), Dillehay et al.
patent: 2673887 (1954-03-01), Booth
patent: 4746586 (1988-05-01), Mizutani et al.
patent: 4767687 (1988-08-01), LaBonte
Database WP1, Derwent Publications, AN77-73753Y, JP-B-52037169 (1977) (Month N.A.).
Chemical Abstracts, vol. 86, No. 10, Abstract No. 56658p (1976) (Month N.A.).

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