Fuel cell

Details Fuel cell Fuel cell

H - Electricity

01

M

H01M 8/24 (2006.01) H01M 8/02 (2006.01) H01M 8/04 (2006.01) H01M 8/10 (2006.01)

Patent

CA 2404166

There is provided a fuel cell that is reduced in both size and weight while securing a sealed state of respective communication paths by respective sealing members between separators and an electrode assembly. In this fuel cell there are provided in each one of separators (4, 5) communication ports (18) for reaction gases and cooling medium that are provided on an outer side of gas sealing members (6, 7), and communication paths (25) that detour around the gas sealing members (6, 7) in the thickness direction of the separators (4, 5) and connect the reaction gas communication ports (18) with gas communication paths (8, 9). A cooling surface sealing member (27) that seals off the cooling medium communication path from the reaction gas communication holes (18) is placed at a position shifted from the communication paths (25) towards the communication holes (18). A convex portion (30) is provided between the reaction gas communication path (9) and the communications ports (18) of one separator (5), while a concave portion (32) that receives the convex portion (30) is provided in the other separator (4).

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