Method for regulating the operation of fuel cell...

H - Electricity – 01 – M

Patent

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H01M 8/04 (2006.01) H01M 8/06 (2006.01)

Patent

CA 2414226

The invention relates to a method for regulating the heat production of fuel cells in an operating mode which is controlled according to heat and/or power requirements. The invention is characterised in that with a constant or varying cell current, the anode gas stream of the fuel cell is regulated as a correcting variable through the forward or backward temperature of the heat circuit as a controlling variable, or controlled according to a set of characteristics. According to the invention, this enables adjustment to a constant forward temperature with changing heat reduction, as well as extensive separation of heat and electricity production.

L'invention concerne un procédé permettant de réguler la production de chaleur de cellules électrochimiques dans le cadre d'un fonctionnement en fonction des besoins en chaleur et/ou en courant. Ce procédé se caractérise en ce que pour un courant cellulaire constant ou variable, le courant gazeux anodique de la cellule électrochimique comme grandeur de commande est régulé par l'intermédiaire de la température aller ou la température retour de circuit thermique comme variable commandée ou est commandé selon un réseau de caractéristiques. Selon l'invention, une régulation peut à cet effet être atteinte à température aller constante en cas de diminution variable de la chaleur et un découplage très étendu de la production de courant et de chaleur peut également être obtenu.

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