Polymer electrolyte fuel cell with electrically conductive...

Details Polymer electrolyte fuel cell with electrically conductive... Polymer electrolyte fuel cell with electrically conductive...

H - Electricity

01

M

H01M 8/02 (2006.01) H01M 8/10 (2006.01)

Patent

CA 2576164

A fuel cell includes an electrolyte membrane (1), a fuel electrode catalyst layer (2a) disposed on a first surface of the electrolyte membrane, an electrically conductive fuel electrode separator (4a), having a fuel gas flow channel (5a), which is disposed in contact with a first surface of the fuel electrode catalyst layer, an oxidizer electrode catalyst layer (2b) disposed on a second surface in opposition to the first surface of the electrolyte membrane, an electrically conductive oxidizer electrode separator (4b), having an oxidizer gas flow channel (5b), which is disposed in contact with a first surface of the oxidizer electrode catalyst layer, and a connecting member (7), formed with an electrically conductive member, which provides an electrical connection between the fuel electrode separator and the oxidizer electrode separator.

L'invention concerne une pile à combustible comprenant une membrane électrolytique (1), une couche catalytique électrode à combustible (2a) sur une première surface de la membrane, un séparateur d'électrode à combustible conducteur (4a), ayant un canal de flux de gaz combustible (5a), en contact avec une première surface de la couche catalytique (2a), une couche catalytique électrode à oxydant (2b) sur une seconde surface opposée à la première surface, un séparateur d'électrode à oxydant conducteur (4b), ayant un canal de flux de gaz oxydant (5b), en contact avec une première surface de la couche catalytique (2b), et un élément de liaison (7), constitué d'un conducteur électrique, qui assure la liaison électrique entre les deux séparateurs.

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