▎ 摘　　要

NOVELTY - Graphitizing graphene thermal conductive film comprises (i) placing graphene thermal conductive film with graphite paper with a thickness of 0.5-1.5 mm clamped on both sides on graphite shaft, (ii) placing into graphite crucible after coiling, (iii) covering graphite crucible with cover to form thermally conductive film graphitized assembly, (iv) installing multiple graphitization assemblies in series-connected graphitization furnace in head-to-tail manner, installing graphite ring between graphitized assemblies to reduce contact resistance, and applying pushing pressure at both ends of furnace head electrode to reduce overall resistance of graphitized composite column, (v) covering insulation material, electrifying at two ends of furnace end electrode, electrifying and heating according to power transmission way of graphite electrode, and (vi) completing power transmission, maintaining pressure for 8 hours, cooling, discharging and finishing graphitization process. USE - The method is useful for graphitizing graphene thermal conductive film. ADVANTAGE - The method: has large furnace loading, uniform heating and high heating temperature; solves the shortcomings of the traditional process; shortens the heating time to the greatest extent; reduces energy consumption; and improves the efficiency of graphitization. DETAILED DESCRIPTION - Graphitizing graphene thermal conductive film comprises (i) placing graphene thermal conductive film with the graphite paper with a thickness of 0.5-1.5 mm clamped on both sides on the graphite shaft, (ii) placing into a graphite crucible after coiling, (iii) covering the graphite crucible with a cover to form a thermally conductive film graphitized assembly, (iv) installing multiple graphitization assemblies in a series-connected graphitization furnace in a head-to-tail manner, installing a graphite ring between the graphitized assemblies to reduce contact resistance, where the two ends of the graphitization assembly series connection column are the furnace head electrodes of the graphitization furnace, applying pushing pressure at both ends of the furnace head electrode to reduce overall resistance of the graphitized composite column, (v) covering the insulation material, where the thickness of the insulation material directly above and on both sides of the graphitized assembly is not greater than 400 mm, electrifying at two ends of the furnace end electrode, electrifying and heating according to the power transmission way of the graphite electrode, and the highest graphitization temperature is 3000-3100degrees Celsius, and (vi) completing power transmission, maintaining the pressure for 8 hours, cooling, discharging and finishing graphitization process.