Fuel cell

Details Fuel cell Fuel cell

H - Electricity

01

M

H01M 8/04 (2006.01) H01M 2/08 (2006.01) H01M 2/14 (2006.01) H01M 8/02 (2006.01) H01M 8/10 (2006.01)

Patent

CA 2442436

A fuel cell includes a membrane electrode assembly and first and second separators for sandwiching the membrane electrode assembly. A serpentine oxygen-containing gas flow field is formed on a surface of the first separator. A seal member is provided around the oxygen-containing gas flow field, i.e., around the anode. Filling seals are provided in a clearance between the seal member and the cathode at positions where the leakage of an oxygen-containing gas is likely to occur.

L'invention porte sur une pile à combustible comprenant un ensemble électrode membranaire, ainsi que des séparateurs primaire et secondaire conçus pour interlacer le jeu d'électrode membranaire. Un joint d'étanchéité est installé autour du champ de flux du gaz oxygéné, c.-à-d. autour de l'anode. Des joints de remplissage sont installés entre le joint d'étanchéité et la cathode aux endroits où des fuites de gaz oxygéné sont susceptibles de se produire.

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