Inorganic/organic separator materials for secondary alkaline...

Details Inorganic/organic separator materials for secondary alkaline... Inorganic/organic separator materials for secondary alkaline...

C - Chemistry, Metallurgy

08

K

319/63, 400/9173

C08K 3/00 (2006.01) C08L 23/02 (2006.01) C08L 25/10 (2006.01) H01M 2/16 (2006.01) H01M 10/24 (2006.01)

Patent

CA 1121536

ABSTRACT OF THE DISCLOSURE An inorganic/organic separator material, capable of relatively long cycle life in deep discharge conditions in secondary alkaline systems, particularly when used with other separator materials, is provided which comprises micrometer-sized particles of an inorganic material such as titanium dioxide dispersed in a matrix of an organic polymer such as a styrene-butadiene polymer. In a preferred embodiment, two types of inorganic particles are utilized, one being leachable in the alkaline electrolyte used and the other being non-leachable.

312230

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