Fuel cell separator and fuel cell of solid polymer type

Details Fuel cell separator and fuel cell of solid polymer type Fuel cell separator and fuel cell of solid polymer type

H - Electricity

01

M

H01M 2/14 (2006.01) H01M 8/02 (2006.01) H01M 8/24 (2006.01)

Patent

CA 2323835

A fuel cell separator having on one side or both sides thereof channels for gas supply and discharge formed from a compound composed mainly of thermosetting resin and graphite particles, characterized in having a flexural modulus equal to or lower than 20 GPa and a flexural strength equal to or higher than 50 MPa (both measured according to JIS K6911). A fuel cell system of solid polymer type in which part or all of its separators are the fuel cell separator defined above. Having high strength and low flexural modulus, the fuel cell separator does not break due to deformation at the time of fuel cell assembling. Moreover, it absorbs shocks and vibration given to the fuel cell system. Therefore, it is useful for automobile fuel cells which are normally subject to vibrations and shocks during operation.

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