Method for producing bridged polymer membrane and fuel cell

Details Method for producing bridged polymer membrane and fuel cell Method for producing bridged polymer membrane and fuel cell

C - Chemistry, Metallurgy

08

J

C08J 5/22 (2006.01) H01M 8/10 (2006.01)

Patent

CA 2360118

A method for producing a bridged polymer membrane includes the steps of: obtaining a liquid medium comprising a basic polymer having an amino group in a repeating unit, a bridging agent, and a solvent; shaping the liquid medium into a membrane configuration to obtain the shaped membrane; and bridging the basic polymer by the bridging agent in the shaped membrane. A fuel cell has the bridged polymer membrane. The mechanical strength of the polymer electrolyte membrane is improved.

La présente invention concerne un procédé de production d'une membrane de polymère ponté comportant les étapes suivantes: obtention d'un milieu liquide comprenant un polymère de base ayant un groupe aminé en unité récurrente, un agent de pontage et un solvant; formation du milieu liquide en une configuration de membrane pour obtenir la membrane formée; et pontage du polymère de base par un agent de pontage dans la membrane formée. L'invention concerne également une pile à combustible comportant la membrane de polymère ponté. La résistance mécanique de la membrane électrolyte en polymérique est nettement améliorée.

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