Film for separator of electrochemical apparatus, and...

H - Electricity – 01 – M

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H01M 2/16 (2006.01) C08J 5/22 (2006.01) H01G 9/02 (2006.01) H01M 6/18 (2006.01) H01M 10/38 (2006.01) H01M 10/40 (2006.01)

Patent

CA 2233092

This invention provides a film comprising a cross-linked polymer having an oxyalkylene group or a cross-linked polymer having an oxyalkylene group through a urethane bond, as a constituent component, a production method of the film, and an electrochemical apparatus using the film as a separator. The film for separator of an electrochemical apparatus can be easily and uniformly processed, can include an electrolytic solution, exhibits good film thickness and ensures excellent safety and reliability. The electrochemical apparatus is free of leakage of the solution.

Film comprenant un polymère réticulé renfermant un groupe oxyalkylène ou un polymère réticulé renfermant un groupe oxyalkylène par une liaison uréthane. L'invention porte également sur le procédé de production de ce film et l'appareil électrochimique utilisant ce film comme séparateur. Ce film utilisé comme séparateur d'un appareil électrochimique peut être transformé aisément et uniformément. Il peut inclure une solution électrolytique; il présente une épaisseur de film satisfaisante et d'excellentes garanties de sécurité et de fiabilité. L'appareil électrochimique ainsi réalisé ne peut subir de fuite de solution.

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