Chemistry: electrical current producing apparatus – product – and – Current producing cell – elements – subcombinations and... – Separator – retainer or spacer insulating structure
Patent
1980-04-21
1981-09-01
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
042872723
ABSTRACT:
There is disclosed a novel cell separator made of a grafted membrane comprising a polyethylene film which is graft-copolymerized with a monomer having an ion exchange group, characterized in that said membrane has an area which is not grafted at all or an area of low degree grafting. By making use of this membrane, a small size and thin cell having excellent performance as well as satisfactory mechanical strength can be produced at low cost with great advantages.
REFERENCES:
patent: 1386650 (1921-08-01), Norris
patent: 2858352 (1958-10-01), Solomon
patent: 3730772 (1973-05-01), Stark
patent: 4201641 (1980-05-01), Gotoda et al.
patent: 4206275 (1980-06-01), Bernstein et al.
Ishigaki Isao
Machi Sueo
Murata Kazuo
Okada Toshio
Senoo Keizi
Japan Atomic Energy Research Inst.
Walton Donald L.
Yuasa Battery Co. Ltd.
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