▎ 摘　　要

NOVELTY - Making (M1) high-strength composite, comprises: plating conducting surface on substrate; electroplating flat graphene flakes onto conducting surface from carrier fluid suspension of graphene flakes in vessel to give plated layer; (b) drying to remove carrier fluid from plated graphene; (c) applying layer of polymer containing solvent to infiltrate between graphene flakes, where the polymer is chemically bondable to graphene, and the solvent containing polymer has viscosity of 1-30000 centipoises; and removing air from between graphene flakes infiltrated by bondable polymer layer. USE - The method is useful for making a high-strength composite which is used as fiber, yarn rope of cable, sheet or layer (claimed). ADVANTAGE - The method provides composite which has high-strength (claimed) and is lighter. DETAILED DESCRIPTION - Making (M1) a high-strength composite, comprises: plating a conducting surface on a substrate; electroplating flat graphene flakes onto the conducting surface from a carrier fluid suspension of graphene flakes in a vessel to give a plated layer, where the flakes have an average width of 0.5-100 microns; (a) removing the plated substrate from the vessel; (b) drying to remove carrier fluid from the plated graphene; (c) applying a layer of polymer containing a solvent to infiltrate between the graphene flakes, where the polymer is chemically bondable to the graphene, and the solvent containing polymer has a viscosity of 1-30000 centipoises; and removing air from between the graphene flakes infiltrated by the bondable polymer layer. INDEPENDENT CLAIMS are also included for: (1) making a high-strength composite, comprising plating a nickel surface on a substrate, electroplating flat graphene flakes onto the conducting surface from a water suspension of graphene flakes in a vessel to give a plated layer, where the flakes are 5-20 micron across, steps (a)-(c) as above per se, and removing solvent from the polymer and air from between the graphene flakes infiltrated by the bondable polymer layer; and (2) a high-strength composite made by the method (M1) and comprising flat graphene flakes disposed on an electroplated layer formed on a substrate, and a polymer chemically bonding at least one of in, about, or to the graphene.