Separator for electrochemical devices

Details Separator for electrochemical devices Separator for electrochemical devices

H - Electricity

01

M

H01M 2/16 (2006.01) C08J 5/20 (2006.01) H01M 2/18 (2006.01)

Patent

CA 2503351

A separator for a wound electrochemical device comprising an expanded polytetrafluoroethyiene membrane having pores defining an internal surface area, the internal surface area being substantially coated with a pore coating agent, the separator having a longitudinal modulus of greater than 20,000 lbs/in2.

L'invention concerne un séparateur pour un dispositif électrochimique enroulé comprenant une membrane en polytétrafluoroéthylène expansé comportant des pores définissant une surface spécifique interne, cette surface étant sensiblement recouvert d'un agent de revêtement de pore, le séparateur possédant un module de traction supérieur à 20,000 lbs/in?2¿.

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