Membrane electrode assembly for a tube-shaped fuel cell and...

H - Electricity – 01 – M

Patent

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Details

H01M 8/02 (2006.01) H01M 8/10 (2006.01) H01M 8/12 (2006.01) H01M 8/24 (2006.01)

Patent

CA 2568908

A membrane electrode assembly (11) for a tube-shaped fuel cell, which is provided with a tube-shaped solid electrolyte membrane (1); an outside catalyst electrode layer (2) formed on an outer peripheral surface of the solid electrolyte membrane (1); an inside catalyst electrode layer (3) formed on an inner peripheral surface of the solid electrolyte membrane (1); an outside collector (4) arranged on an outer peripheral surface of the outside catalyst electrode layer (2); and an inside collector (5) arranged on an inner peripheral surface of the inside catalyst electrode layer (3), is characterised in that at least one of the outside collector (4) and the inside collector (5) is a coiled collector that includes a coiled conductor.

L'invention porte sur un ensemble membrane-électrodes (11) pour pile à combustible en forme de tube qui est pourvu d'une membrane électrolytique en forme de tube (1); d'une couche externe d'électrode de catalyseur (2) formée sur une surface périphérique externe de la membrane électrolytique solide (1); d'une couche interne d'électrode de catalyseur (3) formée sur une surface périphérique interne de la membrane électrolytique solide (1); un collecteur interne (4) disposé sur une surface périphérique de la couche externe de l'électrode de catalyseur (2); et un collecteur interne (5) disposé sur une surface périphérique interne de la couche interne de l'électrode de catalyseur (3).Cet ensemble est caractérisé en ce qu'au moins soit le collecteur externe (4), soit le collecteur interne (5), soit un collecteur en spirale comprenant un conducteur en spirale.

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