Co-extruded, multi-layered battery separator

Details Co-extruded, multi-layered battery separator Co-extruded, multi-layered battery separator

H - Electricity

01

M

H01M 2/14 (2006.01) H01M 2/16 (2006.01)

Patent

CA 2666717

A battery separator comprises a co-extruded, microporous membrane having at least two layers made of extrudable polymers and having: a uniform thickness defined by a standard deviation of < 0.80 microns (µm); or an interply adhesion as defined by a peel strength >60 grams.

L'invention concerne un séparateur comprenant une membrane microporeuse co-extrudée possédant au moins deux couches constituées de polymères extrudables et présentant une épaisseur uniforme définie par une déviation standard inférieure à 0,80 micromètre (µm), ou une adhésion intercouche définie par une résistance au pelage supérieure à 60 grammes.

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