▎ 摘　　要

NOVELTY - A cable has a conductive metal wire of coaxial or flat cable, a composite plating layer having electrolytic plating conductive properties and provided at the outer surface of the metal wire, a graphene coating layer provided on outer surface of composite plating layer, a sheath and a doped polymer layer. The plating layer contains aluminum, iron and platinum, a nanographite plate, graphene oxide and reduced graphene oxide, and has thickness of 100 nm to 100 mu m. The graphene coating layer contains a polymer matrix, metallic nanoparticles and organic dopant. USE - Cable (claimed). ADVANTAGE - The cable has excellent thermal stability and deterioration resistance. DETAILED DESCRIPTION - A cable has a conductive metal wire of coaxial or flat cable, a composite plating layer having electrolytic plating conductive properties and provided at the outer surface of the metal wire, a graphene coating layer provided on outer surface of composite plating layer, a sheath and a doped polymer layer. The plating layer contains aluminum, iron and platinum, a nanographite plate, graphene oxide and reduced graphene oxide, and has thickness of 100 nm to 100 mu m. The graphene coating layer contains a polymer matrix, metallic nanoparticles and organic dopant. The polymer matrix contains polyvinyl alcohol, polymethyl methacrylate, polyethylene oxide or polyvinylidene fluoride. The metallic nanoparticles have average particle size of less than 100 nm, and are made of zinc, cadmium, palladium, iridium, ruthenium, osmium, rhodium, platinum, aluminum, iron, nickel, cobalt, indium, silver oxide, copper oxide, oxide of gold, zinc oxide, cadmium oxide, palladium oxide, iridium oxide, ruthenium oxide, osmium, rhodium oxide, platinum oxide, iron oxide, nickel oxide and cobalt oxide. An INDEPENDENT CLAIM is included for manufacture of cable.