High temperature solid electrolyte fuel cell and fuel cell...

Details High temperature solid electrolyte fuel cell and fuel cell... High temperature solid electrolyte fuel cell and fuel cell...

H - Electricity

01

M

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

Patent

CA 2568453

Solid ceramic fuel cells operating at high temperatures are already known in prior art. This type of fuel cell is particularly the so-called solid oxide fuel cell (SOFC). In principle, said SOFC can be built in accordance with a planar concept or a tubular concept. The tubular concept has already been further developed in the so-called HPD configuration. According to the invention, the surface of the support structure in a delta fuel cell is geometrically enlarged in part in order to obtain an enlarged electrochemically active surface. Advantageously, means for deflecting air from one direction to other directions have been integrated into the support structure.

Dans l'état actuel de la technique, les piles à combustibles à céramique solide qui fonctionnent à haute température sont connues. Il s'agit en particulier des piles dites SOFC (pile à combustible à oxyde solide). Une pile SOFC peut en principe être construite selon un concept plan ou selon un concept tubulaire. Le concept tubulaire a déjà été perfectionné dans le mode de réalisation dit HPD (haute densité de puissance). Selon la présente invention, dans une pile à combustible delta, la surface de la structure porteuse peut être partiellement agrandie de manière géométrique par modelage, ce qui permet d'obtenir une plus grande surface à activité électrochimique. Avantageusement, des moyens intégrés de déflexion de l'air d'une direction dans plusieurs autres directions sont incorporés dans la structure porteuse.

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