Anode-supported fuel cell

Details Anode-supported fuel cell Anode-supported fuel cell

H - Electricity

01

M

H01M 4/86 (2006.01) H01M 4/88 (2006.01) H01M 8/02 (2006.01)

Patent

CA 2491469

Anode-supported fuel cell, in particular SOFC, where stresses in the anode substrate are compensated for by a stress compensation layer. According to the invention said stress compensation layer is made porous by making a large number of vary small openings. These openings are preferably made hexagonal and the thickness of the walls between the openings is minor. An electron- conducting porous layer is applied to the stress compensation layer.

La présente invention se rapporte à une pile à combustible à support anodique, notamment à une pile de type SOFC, dans laquelle les contraintes à l'intérieur du substrat anodique sont compensées par une couche de compensation des contraintes. Conformément à l'invention, ladite couche de compensation des contraintes est rendue poreuse par la formation d'un grand nombre de très petites ouvertures. Ces ouvertures sont de préférence de forme hexagonale et l'épaisseur des parois entre les ouvertures est faible. Une couche poreuse électroniquement conductrice est appliquée sur la couche de compensation des contraintes.

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