Chemistry: electrical current producing apparatus – product – and – Current producing cell – elements – subcombinations and... – Separator – retainer – spacer or materials for use therewith
Patent
1979-07-13
1981-04-28
Walton, Donald L.
Chemistry: electrical current producing apparatus, product, and
Current producing cell, elements, subcombinations and...
Separator, retainer, spacer or materials for use therewith
429251, 428252, 156181, H01M 216
Patent
active
042646910
ABSTRACT:
A battery interseparator useful in alkaline battery systems, and a process of forming the same, is formed from a composition having 30-70% by weight synthetic pulp, 15-65% by weight alkali resistant inorganic filler, and 1-35% by weight of long fibers having lengths of between 1/4 and 1 inch. The long fibers may be polyester, polyacrylic, polyamide, polyolefin, or other staple fiber material. The process for forming the subject battery interseparator requires first forming a substantially uniform aqueous mixture of the subject composition, sequentially treating said composition with a combination of a cationic and an anionic agent, applying the treated composition to a standard paper-making apparatus at a grammage rate to cause the resultant dried sheet to have a thickness of less than 10 mils, and forming a sheet product.
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Hien Nguyen V.
Lundquist, Jr. Joseph T.
Lundsager Christian B.
O'Rell Dennis D.
Troffkin Howard J.
W. R. Grace & Co.
Walton Donald L.
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