H - Electricity – 01 – M
Patent
H - Electricity
01
M
H01M 8/04 (2006.01) H01M 8/02 (2006.01) H01M 8/24 (2006.01)
Patent
CA 2192170
A fuel cell assembly within an electrochemical fuel cell stack has a cooling jacket disposed adjacent the cathode layer. The cooling layer comprises a coolant stream inlet, a coolant stream outlet, and at least one channel for directing a coolant stream from the coolant stream inlet to the coolant stream outlet. The coolant stream channels extend such that the coolest region of the cooling layer substantially coincides with the region of the adjacent cathode layer having the highest concentration of oxygen (and also the lowest water content), and the warmest region of the cooling layer substantially coincides with the region of the adjacent cathode layer having the lowest concentration of oxygen (and also the highest water content).
Elément de pile à combustible muni d'une chemise de refroidissement contiguë à la couche cathode et comportant des orifices d'entrée et de sortie du réfrigérant et au moins un conduit les reliant disposé de manière à ce que la région la plus froide de la chemise coïncide sensiblement avec la zone contiguë de la couche cathode présentant la concentration la plus forte en oxygène (et également la plus faible teneur en eau), et que la région la plus chaude de la chemise coïncide sensiblement avec la zone contiguë de la couche cathode présentant la concentration la plus faible en oxygène (et également la plus forte teneur en eau).
Chow Clarence Y.
Fletcher Nicholas J.
Hornburg Gerald
Pow Eric G.
Voss Henry H.
Ballard Power Systems Inc.
Bdf Ip Holdings Ltd.
Borden Ladner Gervais Llp
Daimler-Benz Ag
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