Crosslinked hybrid electrolyte film and methods of making...

Details Crosslinked hybrid electrolyte film and methods of making... Crosslinked hybrid electrolyte film and methods of making...

H - Electricity

01

M

H01M 6/16 (2006.01) H01M 4/66 (2006.01) H01M 6/18 (2006.01)

Patent

CA 2188132

A polymeric film useful as an interelectrode separator or electrolyte member in electrolytic devices, such as rechargeable batteries, comprises a copolymer of vinylidene fluoride and hexafluoropropylene, a medium to high-boiling plasticizer, and a finely divided inorganic filler which has been subjected to actinic radiation or thermal energy to cause crosslinking thereof in the presence of a crosslinking agent selected from the group consisting of an acrylate ester, di- or triallyl ester and a di- or triglycidyl ether.

Film polymère utilisé comme séparateur entre des électrodes ou élément électrolytique dans des dispositifs électrolytiques, tels que des piles rechargeables, qui comprend un copolymère de fluorure de vinylidène et de d'hexafluoropropylène, un plastifiant à point d'ébullition moyen à élevé et une charge inorganique finement divisée qui a été soumise aux rayonnements actiniques ou à l'énergie thermique pour provoquer la réticulation de ladite charge en présence d'un agent de réticulation choisi dans le groupe constitué d'un ester d'acrylate, d'un ester di- ou triallylique et d'un éther de di- ou triglycidyle.

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