| 摘要 |
A fuel cell bipolar plate that while retaining its mechanical strength, has its electrical conductivity enhanced; a process for producing the same; and a fuel cell including the bipolar plate. There is provided a fuel cell bipolar plate comprising laminated molded item formed by a sheet-shaped molding material, wherein the sheet-shaped molding material contains a resin and a carbon material, and wherein the laminated molded item has a laminate structure of, arranged in sequence, surface layer C/inner layer B/central layer A/inner layer B'/surface layer C', and wherein each of the central layer A, inner layer B, inner layer B', surface layer C and surface layer C' consists of a single layer or multilayer of the sheet-shaped molding material, and wherein when the carbon material content of central layer A is referred to as a, the carbon material content of inner layer B as b, the carbon material content of inner layer B' as b', the carbon material content of surface layer C as c and the carbon material content of surface layer C' as c', there are satisfied the relationships 55<=a<=85, 55<=c<=85, 55<=c'<=85, 10<=a-b<=30, 10<=c-b<=30, 10<=a-b'<=30 and 10<=c'-b'<=30 (the unit of each of a, b, b', c and c' is % by volume). |
