Unitized fuel cell assembly and cooling apparatus

Details Unitized fuel cell assembly and cooling apparatus Unitized fuel cell assembly and cooling apparatus

H - Electricity

01

M

H01M 8/02 (2006.01) H01M 8/00 (2006.01) H01M 8/10 (2006.01) H01M 8/24 (2006.01)

Patent

CA 2505866

A stackable unitized fuel cell system includes a cooling capability. A unitized fuel cell system includes a unitized fuel cell assembly having a first flow field plate, a second flow field plate, and a membrane electrode assembly (MEA) provided between the first and second flow field plates. In one configuration, a cooling structure is separable with respect to the unitized fuel cell assembly. In another configuration, the cooling structure is integral to the unitized fuel cell assembly. A retention arrangement is provided on one or both of the unitized fuel cell assembly and cooling structure. The retention arrangement is configured to facilitate mating engagement between the unitized fuel cell assembly, the cooling structure, and adjacent unitized fuel cell systems of a fuel cell stack.

L'invention concerne un système de pile à combustible unitaire empilable avec refroidisseur intégré. Le système comprend un ensemble pile à combustible unitaire à première et seconde plaques de champ de flux, et ensemble électrode à membrane entre ces plaques. Selon une configuration, une structure de refroidissement est séparable de l'ensemble. Selon une autre configuration, ladite structure est intégrée à l'ensemble. Un arrangement de retenue est prévu sur l'ensemble et sur la structure considérés, ou sur les deux à la fois, facilitant l'imbrication entre cet ensemble, cette structure, et les systèmes de pile à combustible adjacents d'un empilage de piles à combustible.

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