▎ 摘　　要

NOVELTY - Preparing metal-coated graphene reinforced metal-based composite material comprises e.g. carrying out in situ reduction of the surface of powdered graphene coated metal to obtain a metal-coated graphene composite powder, ball-mixing the metal-coated graphene composite powder with metal powder, milling and mixing powder to obtain graphene composite powder/metal mixed powder metal cladding, warm-molding a metal-coated graphene/metal mixed powder using powder metallurgy temperature and pressure process, sintering, extruding, forging and rolling to obtain metal-coated graphene reinforced metal matrix composite material, where in situ reduction of the coated metal on the surface of the graphene comprises includes, tableting the powdered graphene, where thickness of the sheet is 0.01-0.1 cm, using the pressed piece as the anode electrode material, assembling into batteries, discharging to 1.5-0.001 V, where battery is metal lithium, sodium ion batteries as cathode electrode. USE - The method is useful for preparing metal-coated graphene reinforced metal-based composite material. ADVANTAGE - The composite material: has simple preparation process; and improve the mechanical property of metal. DETAILED DESCRIPTION - Preparing metal-coated graphene reinforced metal-based composite material comprises (i) carrying out in situ reduction of the surface of powdered graphene coated metal to obtain a metal-coated graphene composite powder, (ii) ball-mixing the metal-coated graphene composite powder with metal powder, milling and mixing powder to obtain graphene composite powder/metal mixed powder metal cladding, (iii) warm-molding a metal-coated graphene/metal mixed powder using powder metallurgy temperature and pressure process, sintering, extruding, forging and rolling to obtain metal-coated graphene reinforced metal matrix composite material, where in situ reduction of the coated metal on the surface of the graphene comprises includes, (a) tableting the powdered graphene, where thickness of the sheet is 0.01-0.1 cm, (b) using the pressed piece in step (i) as the anode electrode material, assembling into batteries, discharging to 1.5-0.001 V, where battery is metal lithium, sodium ion batteries as cathode electrode, and using 1 mol/l lithium hexafluorophosphate or sodium hexafluorophosphate as electrolyte solution to obtain metal-coated graphene, where mass ratio between electrode material after discharge to the soluble metal salt contained in the solution is 1:5-1:50; and soluble metal salt is soluble titanium, manganese, nickel, platinum, silver, iron, copper, cobalt, gold, platinum, niobium, zirconium, cadmium or chromium salt.