▎ 摘　　要

NOVELTY - Preparing lithium battery with high energy density and fast graphite negative electrode material involves mixing and crushing to a certain particle size of the coke material, catalyst, conductive, agent agglomerant to a certain mass ratio, adding mechanical melting machine to process for 5-20 to obtain the mixture material, pressing the mixture obtained into a rubber grinding tool, putting into an isostatic pressing forming machine for forming the pressure is 100MPa to obtain the isostatic pressing block, graphitizing to obtain the isostatic pressing block in the graphitizing furnace for high temperature graphitization process of 3000-3200 ℃, the processing time is 20-50 hours, crushing and sieving to obtain high energy density of fast charging material graphite negative electrode. USE - Method for preparing lithium battery with high energy density and fast graphite negative electrode material. ADVANTAGE - The method has good properties which greatly enhances the conductivity of the graphite material and the coating layer in the manufacturing process can reduce the adding amount of the conductive agent to put more active substance in the limited battery space, increases the energy density of the battery, catalytic graphitization can improve the capacity of the graphite to more than 360 mAh/g, further improves the energy density of the battery graphene modified and catalyst pore-making, improves the quick charging performance and graphene graphite a rich conductive network is formed between the granulating, coating layers the system impedance and the battery polarization are reduced, the conductive performance is improved, the multiplying power characteristics the battery is improved, the volatilization of the catalyst will leave abundant pores, the convenient path is provided for the diffusion of the lithium-ion and the quick charging performance is improved.