Electrochemical cells having current-carrying structures...

Details Electrochemical cells having current-carrying structures... Electrochemical cells having current-carrying structures...

C - Chemistry, Metallurgy

25

B

C25B 9/10 (2006.01) H01M 8/00 (2006.01) H01M 8/02 (2006.01) H01M 8/04 (2006.01)

Patent

CA 2564843

An electrochemical cell structure has an electrical current-carrying structure which, at least in part, underlies an electrochemical reaction layer. The cell comprises an ion exchange membrane with a catalyst layer on each side thereof. The ion exchange membrane may comprise, for example, a proton exchange membrane. Some embodiments of the invention provide electrochemical cell layers which have a plurality of individual unit cells formed on a sheet of ion exchange membrane material.

Une structure de cellule électrochimique comporte une structure de transport de courant électrique qui, au moins partiellement, est située sous une couche de réaction électrochimique. La cellule comprend une membrane échangeuse d'ions sur chaque côté de laquelle se situe une couche de catalyseur. La membrane échangeuse d'ions peut comprendre, par exemple, une membrane échangeuse de protons. Certaines formes de réalisation de l'invention portent sur des couches de cellules électrochimiques qui ont une pluralité de cellules unitaires individuelles formées sur une feuille de matériau de membrane échangeuse d'ions.

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