▎ 摘 要
NOVELTY - Producing cathode material of dynamic lithium ion battery comprises e.g. taking needle coke as raw material A, taking asphalt as raw material B, taking phenolic resin as raw material C, taking graphene as raw material D, crushing raw material A, adding raw material to carbon disulfide liquid B, stirring to dissolve, adding raw material A powder, stirring uniformly lower heating to drying, adding raw material D in ethanol solution, stirring uniformly, adding C raw material, stirring into uniform suspension, filtering and evaporating, mixing material A with B and C with D material and heating. USE - The method is useful for producing cathode material of dynamic lithium ion battery (claimed). ADVANTAGE - The cathode material of dynamic lithium ion battery has high charging and discharging rate, good cycle performance and charge and discharge reaction reversibility is good with high capacity. DETAILED DESCRIPTION - Producing cathode material of dynamic lithium ion battery comprises (a) taking needle coke as raw material A; (b) taking asphalt as raw material B, median particle diameter is not greater than 2 mu m; (c) taking phenolic resin as raw material C, where median particle diameter is less than or equal to 50 nm; (d) taking graphene as raw material Days; (e) crushing raw material A, where median particle diameter is controlled at 11-18 mu m; (f) adding raw material to carbon disulfide liquid B, stirring to dissolve, adding raw material A powder in the ratio A/B equal to 100/0.5-1, stirring uniformly at 70 degrees C lower heating to drying; (g) adding raw material D in 70% ethanol solution, stirring uniformly, adding C raw material in the ratio C/D equal to 100/(10-60), stirring into uniform suspension, filtering and evaporating; (h) mixing material obtained in the step (f) A with B and obtained in step (g) C with D material in the ratio A with B/C with D equal to 100/ 1-8, heating at 300-400 degrees C for modification processing, heating after modification process at 1300-1400 degrees C to carbonize or firstly carrying out carbonization at 1300-1400 degrees C and graphitizing at 2800-3000 degrees C or directly performing graphitization at 3000-3200 degrees C.