Fuel cell separator and method of manufacture

Details Fuel cell separator and method of manufacture Fuel cell separator and method of manufacture

H - Electricity

01

M

H01M 2/16 (2006.01) H01B 1/24 (2006.01) H01M 8/02 (2006.01)

Patent

CA 2424701

A fuel cell separator is molded from a resin composition containing specific amounts of graphite, thermosetting resin and internal release agent. The graphite is a synthetic graphite powder prepared by graphitizing lump coke. The thermosetting resin is a mixture of phenolic novolac, benzoxazine and polycarbodiimide resins. The molded separator does not need to be machined, has a significantly improved electrical conductivity, heat resistance and mechanical strength, and even when very thin is resistant to breakage during molding and fuel cell assembly.

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