▎ 摘　　要

NOVELTY - Preparation of high thermal conductivity graphene material comprises taking 100 pts. wt. graphite, 3-7 pts. wt. carbon fiber, 15-25 pts. wt. nano kaolin, 4.5-8.5 pts. wt. magnesium carbonate, 25-65 pts. wt. copper sulfate, 2.5-4.5 pts. wt. urea, 6-10 pts. wt. zircon sand, 15-35 pts. wt. bentonite, 10-16 pts. wt. aluminum hydroxide, 10-16 pts. wt. perylene monoimide, 5-9 pts. wt. tribasic lead sulfate, 30-50 pts. wt. calcium carbonate, 5-25 pts. wt. organic montmorillonite, 60-80 pts. wt. silicon carbide and 2-6 pts. wt. antioxidant, crushing bentonite and tribasic lead sulfate for 45-65 minutes, sieving into 250-350 mesh, oven-drying for 20-30 minutes, placing in heater with thermometer together with carbon fiber, nano-kaolin, magnesium carbonate and urea, mixing and heating at 65-75 degrees C for 35-75 minutes while stirring at speed of 140-180 revolutions/minute. USE - Method for preparing high thermal conductivity graphene material. ADVANTAGE - The product is independent of large equipment, low-cost, simple to prepare and energy-saving; has synergistic effect, corrosion resistance, elongation at break of up to 130-170, tensile strength of 90-110 MPa, good compression permanent deformation, high energy density, good electrical conductivity, self-extinguishing, less water absorption, oxygen index of 40-60, high efficiency, good mechanical property and shore hardness of 90-110; and can be accurately prepared.