Solid polymer electrolyte fuel cell and non-humidifying...

Details Solid polymer electrolyte fuel cell and non-humidifying... Solid polymer electrolyte fuel cell and non-humidifying...

H - Electricity

01

M

H01M 8/00 (2006.01) H01M 8/02 (2006.01) H01M 8/04 (2006.01) H01M 8/10 (2006.01)

Patent

CA 2329644

A fuel cell includes a solid polymer ion exchange membrane having a thickness which is set to be within a range of 20 µm to 60 µm. The fuel cell comprises a fuel gas flow passage for supplying a non-humidified fuel gas from a side of a first surface of the ion exchange membrane, and an oxygen-containing gas flow passage for supplying a non- humidified oxygen-containing gas from a side of a second surface of the ion exchange membrane. A portion of the fuel gas flow passage, which is disposed in the vicinity of a fuel gas inlet, is arranged closely to a portion of the oxygen-containing gas flow passage disposed in the vicinity of an oxygen-containing gas outlet. Accordingly, the oxygen-containing gas and the fuel gas can be supplied without humidification, and it is possible to perform efficient and smooth operation.

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