▎ 摘　　要

NOVELTY - Preparing nitrogen-sulfur co-doped graphene oxide grafted polyaniline/molybdenum disulfide electrode involves: (S1) preparing graphene oxide/polypyrrole/polythiophene composite; (S2) immersing obtained product in ammonium chloride, washing and calcining; (S3) activating obtained product with sulfuric acid and nitric acid mixed solution to obtain acid chloride-modified nitrogen-sulfur co-doped graphene oxide; (S4) dispersing obtained product and p-phenylenediamine in mixture of N,N-dimethylformamide and triethylamine and heating; (S5) dispersing obtained product and sodium dodecylbenzenesulfonate in deionized water, injecting aniline and reacting to obtain nitrogen-sulfur co-doped graphene oxide grafted polyaniline; (S6) preparing nitrogen-sulfur co-doped graphene oxide grafted polyaniline/molybdenum disulfide; and (S7) mixing obtained product, acetylene black and PTFE in absolute ethanol, ultrasonically dispersing, coating on foamed nickel surface, vacuum drying, and pressing. USE - The method is useful for preparing nitrogen-sulfur co-doped graphene oxide grafted polyaniline/molybdenum disulfide electrode (claimed) used in energy storage, biomedical, optical material, and semiconductor material applications. ADVANTAGE - The method provides nitrogen-sulfur co-doped graphene oxide grafted polyaniline/molybdenum disulfide electrode, which has specific capacitance of greater than 400 F/g under the condition of current density of 1 A/g after 800 cycles of use, and capacitance of more than 80% of the initial value. DETAILED DESCRIPTION - Preparing nitrogen-sulfur co-doped graphene oxide grafted polyaniline/molybdenum disulfide electrode involves: (S1) preparing graphene oxide/polypyrrole/polythiophene composite; (S2) immersing the graphene oxide/polypyrrole/polythiophene composite in an ammonium chloride solution for 12 hours, washing, drying, and then calcining under the protection of argon to obtain nitrogen-sulfur co-doped graphene oxide; (S3) activating the nitrogen-sulfur co-doped graphene oxide with a mixed solution of sulfuric acid and nitric acid, and transferring to dimethyl sulfoxide to convert carboxyl group into acid chloride to obtain acid chloride-modified nitrogen-sulfur co-doped graphene oxide; (S4) dispersing the obtained product and p-phenylenediamine in a mixture of N,N-dimethylformamide and triethylamine, and heating to react under the protection of nitrogen to obtain p-phenylenediamine modified nitrogen-sulfur co-doped graphene oxide; (S5) dispersing the obtained product and sodium dodecylbenzenesulfonate in deionized water, mixing, injecting aniline monomer, and then adding ferric chloride for reaction to obtain nitrogen-sulfur co-doped graphene oxide grafted polyaniline; (S6) dissolving sodium molybdate and thiourea in deionized water, transferring to a stainless steel tubular high-pressure reaction kettle lined with PTFE, adding the nitrogen-sulfur co-doped graphene oxide grafted polyaniline, then using deionized water to make the volume to 80% of the total volume of the stainless steel tubular kettle, sealing, and hydrothermally reacting to obtain nitrogen-sulfur co-doped graphene oxide grafted polyaniline/molybdenum disulfide; and (S7) mixing the obtained product, acetylene black and PTFE in a mass ratio of 8:1:1 in absolute ethanol, ultrasonically dispersing, coating on a surface of foamed nickel, vacuum drying, and pressing.