| abstract |
(57) [Summary] [Object] To provide a method for producing a graphite member used for a separator or a collector of a polymer electrolyte fuel cell. [Structure] A carbonaceous powder having a maximum particle diameter of 125 μm or less is added with a binder, heated and kneaded, and then CIP-molded, followed by firing and graphitization to obtain an average pore diameter of 10 μm or less and a porosity of 20%. The following isotropic graphite material is impregnated with a thermosetting resin liquid and cured (Claim 1) and impregnated and cured by heating the isotropic graphite material in a container kept under a reduced pressure of 10 Torr or less. After soaking in the curable resin liquid and holding for a specified time, 3kg inside the container A manufacturing method comprising the constitution of applying a pressure of not less than / cm 2 and heating at a temperature of not less than 70 ° C. (claim 2). |