Solid oxide fuel cell

H - Electricity – 01 – M

Patent

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Details

H01M 8/02 (2006.01) H01M 8/12 (2006.01) H01M 4/86 (2006.01) H01M 4/90 (2006.01) H01M 8/24 (2006.01)

Patent

CA 2459574

A solid oxide fuel cell, comprising: a ferritic stainless steel substrate (3) including a porous region and a non-porous region bounding the porous region; a ferritic stainless steel bi-polar plate (19) located under one surface of the porous region of the substrate and being sealingly attached to the non- porous region of the substrate about the porous region thereof; a first electrode layer located over the other surface of the porous region of the substrate; an electrolyte layer located over the first electrode layer; and a second electrode layer located over the electrolyte layer. The substrate may include an active coating of an electronically conductive oxide, in particular a perovskite oxide mixed conductor.

L'invention porte sur une pile à combustible à oxyde solide contenant : un substrat (3) en acier ferritique inoxydable comprenant une zone poreuse et une zone non poreuse reliant la zone poreuse; une plaque (19) bipolaire en acier ferritique inoxydable située sous une surface de la zone poreuse du substrat et fixée de manière étanche à la zone non poreuse du substrat autour de la région poreuse ; une première couche d'électrode située sous l'autre surface de la zone poreuse du substrat ; une couche d'électrolyte située sur la première couche d'électrode ; une deuxième couche d'électrode située sur la couche d'électrolyte. Le substrat peut également comprendre un revêtement actif à base d'un oxyde électroniquement conducteur, notamment un conducteur mélangé à de l'oxyde perovskite.

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