H - Electricity – 01 – M
Patent
H - Electricity
01
M
H01M 8/24 (2006.01) H01M 4/86 (2006.01) H01M 8/02 (2006.01) H01M 8/10 (2006.01)
Patent
CA 2426207
The invention relates to a cell assembly for an electrochemical energy converter, especially a fuel cell assembly with cells (12) arranged in the form of a cell stack (10). The cells (12) each comprise an anode (1), a cathode (2) and an ion-conducting layer (3) arranged therebetween and are separated from one another and electrically contacted by bipolar plates (4). According to the invention, current collectors (4a, 4b) respectively provided for contacting the anodes (1) or the cathodes (2) are formed by a porous structure inside of which flow paths (16, 17) for guiding anode medium and/or cathode medium are provided.
L'invention concerne un ensemble de piles destiné à un convertisseur d'énergie électrochimique, notamment un ensemble de piles à combustible comprenant des piles (12) disposées sous la forme d'un empilement (10). Ces piles (12) comprennent chacune une anode (1) et une cathode (2), ainsi qu'une couche (3) conductrice d'ions disposée entre celles-ci, et elles sont séparées les unes des autres et mises en contact électrique au moyen de plaques bipolaires (4). Selon l'invention, des collecteurs de courant (4a, 4b) servant respectivement à contacter les anodes (1) et les cathodes (2) sont formés d'une structure poreuse comprenant des voies d'écoulement (16, 17) servant à guider le fluide anodique et/ou le fluide cathodique.
Bednarz Marc
Steinfort Marc
Kirby Eades Gale Baker
Mtu Cfc Solutions Gmbh
Mtu Friedrichshafen Gmbh
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