Improved separator for batteries

Details Improved separator for batteries Improved separator for batteries

H - Electricity

01

M

319/54

H01M 2/18 (2006.01) H01M 2/16 (2006.01)

Patent

CA 1090877

STORAGE BATTERY AND PROCESS FOR MANUFACTURING THE SAME Abstract of the Disclosure A storage battery includes an embossed separator disposed between negative and positive plates, the embossed separator having a plurality of concaves pro- vided on a microporous sheet and channels connecting the concaves to one another and having a depth shallower than the concaves. The process for making the embossed separator includes passing the microporous sheet between a metallic embossing roll and an elastic roll and then cooling it without applying a tension.

289556

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