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Abstract

A fuel cell separator material which exhibits a high fracture strain and a high strength, prevents breakage during cell stack assembly or cracking during a cell operation, and exhibits excellent properties such as conductivity and gas impermeability, and a method of producing the same are provided. The fuel cell separator material includes a carbon/cured resin molded product in which a carbon powder is bound with a binder which comprises a mixed resin of a bifunctional aliphatic alcohol ether-type epoxy resin and a polyfunctional phenol-type epoxy resin, a phenol resin curing agent, and a curing accelerator as essential components. The method of producing a fuel cell separator material includes preparing a resin solution by dissolving a bifunctional aliphatic alcohol ether-type epoxy resin, a polyfunctional phenol-type epoxy resin, a phenol resin curing agent, and a curing accelerator in an organic solvent, mixing a carbon powder with the resin solution, removing the organic solvent by volatilization, grinding the mixture to obtain a molding powder, filling a preforming mold with the molding powder, providing an upper mold, preforming the molding powder at a pressure of 1 to 10 MPa to obtain a preform, inserting the preform into a mold, and thermocompression-molding the preform at a pressure of 20 to 50 MPa and a temperature of 150 to 250° C.

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