Coated open-celled microporous membranes

Details Coated open-celled microporous membranes Coated open-celled microporous membranes

H - Electricity

01

M

319/55

H01M 2/16 (2006.01) B01D 13/04 (1980.01)

Patent

CA 1159108

Abstract Of The Disclosure The present invention provides a microporous membrane having deposited on at least one surface thereof a porous, uniform coating of a low hydrogen over-potential material. The coated microporous membrane is particularly suited for use as a battery separator in a rechargeable zinc electrode containing battery, which is resistant to penetration by zinc dendrites and is capable of increasing the uniformity of current density upon recharging of the battery. A battery employing said coated microporous membrane as a battery separator as well as a process for using said coated microporous membrane is also provided. -1-

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