BATTERY SEPARATOR

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 breath 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 me...

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Bibliographic Details
Main Authors LUNDSAGER, CHRISTAN BENT, TROFFKIN, HOWARD JULIAN, LUNDQUIST, JOSEPH THEODORE, PALMER, NIGEL INNES
Format Patent
LanguageEnglish
Published 21.10.1987
Edition4
Subjects
BASIC ELECTRIC ELEMENTS
ELECTRICITY
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
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Summary: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 breath 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°C and 150°C while essentially maintaining its length and breath 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°C greater than the transformation temperature of sheet (a).
Bibliography:Application Number: EP19860106322