▎ 摘　　要

NOVELTY - The method for producing silicon-graphene composite conductive paste, involves placing graphite in mixed solution of oxidizing agent and intercalating agent, stirring, washing, drying, dissolving expanded graphite product in water or organic solvent, ultrasonically processing to obtain graphene dispersion, grinding high-purity silicon powder and grinding balls, vacuuming, stirring, crushing, adding carbon binder, stirring, adding graphene dispersion and crushing to obtain final product. USE - Method for producing silicon-graphene composite conductive paste for electrode. ADVANTAGE - The method enables production of silicon-graphene composite conductive paste formed directly on the collector without an adhesive and improves electronic conductivity of electrode. DETAILED DESCRIPTION - Method for producing silicon-graphene composite conductive paste, involves placing the graphite in mixed solution of oxidizing agent and intercalating agent, stirring at 20-60 degrees C for 0.5-5 hours, washing, drying and placing in muffle furnace, heating at 600-1200 degrees C for 0.1-6 hours under nitrogen atmosphere, dissolving expanded graphite product in water or organic solvent, ultrasonically processing for 0.5-2 hours to obtain graphene dispersion, grinding high-purity silicon powder and grinding balls in a mass ratio of 1-50:1, vacuuming the system with vacuum pump, stirring at 100-5000 rpm and heating at -50-0 degrees C, crushing for 0.1-4 hours, adding carbon binder, stirring and crushing for 0.1-1 hour, adding graphene dispersion, crushing for 0.1-3 hours to obtain final product.