Fuel cell systems and methods of operating the same

Details Fuel cell systems and methods of operating the same Fuel cell systems and methods of operating the same

H - Electricity

01

M

H01M 8/04 (2006.01)

Patent

CA 2668440

A fuel cell system comprises a fuel cell stack (10) comprising an anode flow field and a cathode flow field; a fuel supply line (12) for supplying a hydrogen-containing fuel to the anode flow field; a fuel inlet valve (18) in the fuel supply line upstream of the fuel cell stack; and an accumulator (32) comprising an upstream inlet (39) and a downstream outlet, the inlet fluidly connected to the fuel supply line and the outlet (36) fluidly connected to the fuel inlet valve.

Le système de pile à combustible selon l'invention comprend un empilement de piles à combustible (10) se composant d'un champ d'écoulement anodique et d'un champ d'écoulement cathodique ; un conduit d'alimentation de combustible (12) pour amener un combustible contenant de l'hydrogène au champ d'écoulement anodique ; une soupape d'entrée de combustible (18) dans le conduit d'alimentation en combustible en amont de l'empilement de piles à combustible ; et un accumulateur (32) comprenant une entrée amont (39) et une sortie aval, l'entrée étant connectée de façon fluidique au conduit d'alimentation en combustible et la sortie (36) étant connectée de façon fluidique à la soupape d'entrée de combustible.

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