▎ 摘　　要

NOVELTY - A dispersible graphene based energy-saving power supply apparatus comprises negative electrode graphene, where the dispersible graphene based energy-saving power supply apparatus is prepared by adding natural graphite in N-methylpyrrolidone, cleaning, centrifuging, spraying dispersion on substrate, coating, casting, stacking lattice oxygen ions in octahedral positions compartment, desorbing lithium ion, followed by coating layer on aluminum foil, drying and disposing between negative electrode and graphene layered lithium metal oxide cathode material with a porous polypropylene membrane. USE - Dispersible graphene based energy-saving power supply apparatus. DETAILED DESCRIPTION - A dispersible graphene based energy-saving power supply apparatus comprises negative electrode graphene, where the dispersible graphene based energy-saving power supply apparatus is prepared by adding natural graphite in N-methylpyrrolidone, cleaning using ultrasonic water bath, centrifuging several times until solution without visible solid, taking upper solution having concentration of 4.5 mg/ml N-methylpyrrolidone and graphene dispersion, dispersing graphene containing a monolayer of graphene, spraying dispersion on substrate surface for forming a graphene film, coating with graphene ethylene propylene diene monomer, polyvinylidene fluoride, and polytetrafluoroethylene mixture, casting or extruding, dissolving lithium hexafluoroarsenate in pure 2-methyl-tetrahydrofuran, stacking lattice oxygen ions in the octahedral positions compartment, providing two-dimensional matrix layer position, desorbing lithium ion, followed by mixing layered lithium metal oxide powder, carbon black, ethylene propylene diene monomer, polyvinylidene fluoride and polytetrafluoroethylene to form a layer, coating the layer on the substrate sheet of aluminum foil or mesh, drying in vacuo, and disposing between the negative electrode and the graphene layered lithium metal oxide cathode material with a porous polypropylene membrane.