▎ 摘　　要

NOVELTY - Manufacture of composite conductive paste involves (i) placing graphite in a mixed solution containing oxidant and an intercalation agent, ultrasonically stirring, placing the obtained product in a muffle furnace, heating to obtain an expanded graphite product, placing the graphite product, lithium ions or magnesium ion salts and molybdenum disulfide in a reaction kettle, heating to obtain a graphite-molybdenum disulfide compound intercalated by lithium ions or magnesium ions, (ii) dissolving obtained disulfide compound in an organic solvent, and ultrasonically processing to obtain a compound dispersion liquid, (iii) preparing porous silicon, (iv) preparing modified glass beads coated by graphene oxide, (v) placing the obtained porous silicon, grinding ball and modified glass bead in a grinding tank, adding a carbon binder and compound dispersion liquid, and ultrasonically processing to obtain a slurry and (vi) adding slurry into a high-pressure pulse jet machine. USE - Manufacture of composite conductive paste used for lithium battery used in nano-electronic device, sensor, hydrogen storage materials, and supercapacitor. ADVANTAGE - The method produces composite conductive paste having excellent electrical property, heat conductivity, uniformity, stability, improves conductivity and surface area utilization rate of the electrode material, reduces low circulation capacitance and prevents re-stacking of nanometer layer. DETAILED DESCRIPTION - Manufacture of composite conductive paste involves (i) placing graphite in a mixed solution containing oxidant and an intercalation agent, ultrasonically stirring for 0.5-5 hours at 20-60℃, washing, filtering and drying the obtained product, placing the obtained product in a muffle furnace, heating at 600-1200℃ for 0.1-6 hours in a nitrogen atmosphere to obtain an expanded graphite product, placing the graphite product, lithium ions or magnesium ion salts and molybdenum disulfide in a reaction kettle, continuously stirring, heating at 600-800℃ for 1-12 hours to obtain a graphite-molybdenum disulfide compound intercalated by lithium ions or magnesium ions, (ii) dissolving the obtained graphite-molybdenum disulfide compound in an organic solvent, and ultrasonically processing for 0.5-2 hours to obtain a compound dispersion liquid, (iii) cleaning and drying a silicon wafer using a cleaning solution and deionized water, supplying the dried silicon wafer into an etching solution for etching treatment at an etching current of 10-15 A for 30-50 minutes, and cleaning and drying the silicon wafer using deionized water to obtain porous silicon, (iv) adding the modified glass beads into the graphene oxide dispersion liquid, stirring, filtering, washing and drying to obtain modified glass beads coated by graphene oxide, (v) placing the obtained porous silicon, grinding ball and modified glass bead in a grinding tank in a mass ratio of 1-50:1-50:1, adding a dispersing agent, vacuumizing the system using a vacuum pump, introducing a protective atmosphere, stirring and grinding at -50 to 0℃ for 0.5-5 hours, adding a carbon binder, continuously stirring and grinding for 0.5-1 hours, adding compound dispersion liquid, and ultrasonically processing for 0.1-3 hours to obtain a slurry, and (vi) adding the obtained slurry into a high-pressure pulse jet machine, controlling the driving pressure to 70-100 MPa, adopting a counter-jet device, accelerating the slurry, enabling the particles of the graphite-molybdenum disulfide compound to collide at high speed, shearing and stripping.