Chemistry: electrical current producing apparatus – product – and – With control means responsive to battery condition sensing... – Temperature control
Patent
1985-05-16
1987-03-17
Walton, Donald L.
Chemistry: electrical current producing apparatus, product, and
With control means responsive to battery condition sensing...
Temperature control
429145, H01M 1050
Patent
active
046507302
ABSTRACT:
A multiply sheet product useful as a battery separator having at least two plies each in the form of a microporous sheet of predetermined length and breadth and a thickness of less than 10 mils wherein (a) at least one of said ply being a sheet capable of transforming to a substantially non-porous membrane at a temperature between about 80.degree. and 150.degree. C. while essentially maintaining its length and breadth dimensions and (b) at least one ply being a sheet capable of maintaining its dimensions and porosity at temperatures from ambient to at least about 10.degree. C. greater than the transformation temperature of sheet (a).
REFERENCES:
patent: 4075400 (1978-02-01), Fritts
patent: 4351888 (1982-09-01), Dampier et al.
patent: 4407910 (1983-10-01), Catanzarite
Lundquist Joseph T.
Lundsager Christian B.
Palmer Nigel I.
Troffkin Howard J.
Troffkin Howard J.
W. R. Grace & Co.
Walton Donald L.
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