And conductive composite electrode for fuel cell using this material formed by thermocompression

composite conductor consisting of a sintered mixture at high pressure lamellar graphite and thermoplastic polymer powder, wherein the mixture comprises a type of lamellar graphite consisting of agglomerates of particles bound and superposed together graphite so that their principal planes are parallel to each other, wherein these agglomerates having planar anisotropy and between 10 .mu.m and 1 mm side and between 5 and 50 .mu.m thick, also comprising a powder mixture of thermoplastic polymer size between 10 and 200 .mu.m.