Fuel cell electrolyte membrane comprising a copolymer...

Details Fuel cell electrolyte membrane comprising a copolymer... Fuel cell electrolyte membrane comprising a copolymer...

H - Electricity

01

M

H01M 8/10 (2006.01)

Patent

CA 2703592

An electrolyte membrane for a fuel cell includes a fluorine polymer electrolyte having a sulfonic acid group, and a copolymer which includes at least an aromatic ring and a cyclic imide that is condensed or not condensed with the aromatic ring, and in which an aromatic repeating unit having a structure in which the aromatic ring and the cyclic imide are bonded together directly or by only a single atom, is linked with a siloxane repeating unit having a structure that includes a siloxane structure.

L'invention porte sur une membrane électrolyte pour une pile à combustible comprenant : un électrolyte polymère fluoré ayant un groupe acide sulfonique ; et un copolymère qui comprend au moins un noyau aromatique et un imide cyclique qui est condensé ou non condensé avec le noyau aromatique et dans lequel une unité répétitive aromatique ayant une structure dans laquelle le noyau aromatique et l'imide cyclique sont liés ensemble directement ou par un seul atome seulement est liée avec une unité répétitive siloxane ayant une structure qui comprend une structure de siloxane.

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