▎ 摘　　要

NOVELTY - Manufacture of graphene-supported nano-nickel thermoelectric composite film involves freeze-drying sulfonated graphite, mixing 1-10 g polyethylene oxide-polypropylene oxide-polyethylene oxide triblock copolymer, 6-25 g polyvinylpyrrolidone and 10-50 g ammonium acetate, adding 20-40 ml nickel chloride, heating to 130 degrees C for 2 hours, cooling, centrifuging, washing, vacuum drying, adding 5-10 g aniline monomer, dispersing, adding 3 g ammonium persulfate and 80-120 ml water, reacting, filtering, vacuum-drying, forming membrane on copper substrate, and performing electrophoresis. USE - Manufacture of graphene-supported nano-nickel thermoelectric composite film (claimed). ADVANTAGE - The graphene-supported nano-nickel thermoelectric composite film having excellent electroconductivity is produced. DETAILED DESCRIPTION - Manufacture of graphene-supported nano-nickel thermoelectric composite film involves adding 35% hydrochloric acid to 50-200 mesh graphite powder, stirring for 30 minutes, washing with deionized water, drying, adding dried graphite powder, potassium persulfate and phosphorus pentoxide to concentrated sulfuric acid, stirring at 60 degrees C for 1-2 hours, heating to 80 degrees C for 2-4 hours at 5 degrees C/minutes, heating to 87 degrees C at rate of 2 degrees C/minute for 1-2 hours, diluting with distilled water, adjusting pH to 3.6, filtering, drying at room temperature, adding concentrated nitric acid, adding potassium permanganate, stirring for 30 minutes, cooling to -12 degrees C, further adding potassium permanganate, cooling to obtain preoxidized graphite mixture, filtering, drying, heating in muffle furnace at 1100 degrees C for 10-20 seconds to obtain expanded graphite, heating expanded graphite in incubator to 40 degrees C, reacting for 3 hours, adding water, reacting for 2.5 hours, further adding hydrogen peroxide, stirring for 10-60 minutes, centrifuging, dissolving oxidized graphite in dimethyl sulfoxide, adding N-hydroxysuccinimide, stirring at 35 degrees C for 2 hours, filtering, washing, drying to produce surface-treated oxidized graphite, adding 1 g oxidized graphite to a reactor containing 500 g deionized water, ultrasonically dispersing for 10-15 minutes, adding ammonia aqueous solution, adjusting pH to 11, increasing temperature to 70 degrees C, adding 5-10 g sodium borohydride, maintaining for 2-4 hours, filtering, adding 1-4 g hydrazine hydrate, reacting at 80 degrees C for 12-24 hours, filtering, washing with deionized water, drying, to obtain sulfonated graphite, freeze-drying 1-2 g sulfonated graphite, mixing 1-10 g polyethylene oxide-polypropylene oxide-polyethylene oxide triblock copolymer, adding 6-25 g polyvinylpyrrolidone and 10-50 g ammonium acetate, adding 1000 mL ethylene glycol, adding 20-40 ml nickel chloride, heating to 130 degrees C for 2 hours, heating to 150 degrees C for 4 hours, cooling, centrifuging for 10 minutes, washing with ethanol and deionized water, vacuum drying at 50-70 degrees C for 24 hours, adding 5-10 g aniline monomer and dodecylbenzene sulfonic acid, dispersing ultrasonically for 65 minutes, adding 3 g ammonium persulfate and 80-120 ml distilled water, reacting for 15 hours, filtering, vacuum-drying, forming membrane on copper substrate, placing as negative pole in container, setting iron rod as a positive electrode, performing electrophoresis at 30-120 V for 30-90 minutes and forming thermoelectric thin film.