▎ 摘　　要

NOVELTY - Preparing natural graphite fast-charging lithium battery cathode material comprises (1) uniformly mixing the graphite precursor material, the coating agent and the graphene powder, (2) heat treating in a high temperature furnace for 4-10 hours under the protection of inert gas, and then cooling to room temperature, (3) adding the material into the classifier to remove large particles, (4) graphitizing the material at 2800-3200℃, (5) scattering and sieving the graphitized material, (6) mixing the sieved material and the binder in a certain proportion, (7) sending the mixed material to the carbonization furnace for carbonization at 600-1200℃, and (8) after demagnetization and sieving, obtaining the natural graphite fast charging lithium battery cathode material. USE - The method is useful for preparing natural graphite fast-charging lithium battery cathode material. ADVANTAGE - The method: improves the transfer speed of electrons and fast charging performance. DETAILED DESCRIPTION - Preparing natural graphite fast-charging lithium battery cathode material comprises (1) uniformly mixing the graphite precursor material, the coating agent and the graphene powder, (2) heat treating in a high temperature furnace for 4-10 hours under the protection of inert gas, and then cooling to room temperature, (3) adding the material into the classifier to remove large particles, (4) graphitizing the material at 2800-3200℃, (5) scattering and sieving the graphitized material, (6) mixing the sieved material and the binder in a certain proportion, (7) sending the mixed material to the carbonization furnace for carbonization at 600-1200℃, and (8) after demagnetization and sieving, obtaining the natural graphite fast charging lithium battery cathode material. The natural graphite fast-charging lithium battery cathode material comprises multiple particle composite particle structures, the surface of the composite particle structure is inlaid with graphene particles to form a network structure, and the mass ratio of the graphite precursor material, the coating agent and the graphene powder is 100:3-30:0.0001-0.01.