Fuel cell

H - Electricity – 01 – M

Patent

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Details

H01M 8/10 (2006.01) H01M 4/86 (2006.01) H01M 8/04 (2006.01) H01M 8/24 (2006.01)

Patent

CA 2459612

A solid oxide fuel cell comprising an electrically conducting electrode-support substrate, an inner electrode layer, a solid electrolyte layer, an outer electrode layer and an interconnector, wherein said electrode-support substrate includes a flat plate having two flat surfaces which are in parallel with each other and forming a plurality of gas flow passages therein, and curved portions located at both ends of said flat plate, and said outer electrode layer is laminated on the solid electrolyte layer so as to be opposed to the other surface of said flat plate where the interconnector is not provided but so as not to be opposed to said curved portions. The solid oxide fuel cell features a small voltage drop, an increased output density, and is easily produced exhibiting stable characteristics.

Pile à combustible à oxyde solide comprenant un substrat support d'électrode conducteur d'électricité, une couche d'électrode interne, une couche d'électrolyte solide, une couche d'électrode externe et un interconnecteur, dans laquelle ledit substrat support d'électrode comprend une plaque plate dotée de deux surfaces parallèles et formant plusieurs passages pour l'écoulement du gaz à l'intérieur, et des parties courbées aux deux extrémités de la plaque plate. La couche d'électrode externe est appliquée sur la couche d'électrolyte solide à l'opposé de l'autre surface de la plaque plate, où l'interconnecteur n'est pas présent, mais de façon à ce qu'elle soit opposée aux parties courbées. La pile à combustible à oxyde solide permet des chutes de tension qui demeurent faibles, une meilleure densité de puissance et elle est facile à produire avec un résultat constant.

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