▎ 摘　　要

NOVELTY - Preparation of graphene oxide/molybdenum sulfide electrode comprises taking graphite powder and sodium nitrate under ice bath condition, adding sulfuric acid, stirring, adding potassium permangate, water bath stirring, adding deionized water, stirring, adding deionized water and hydrogen peroxide, washing with 1 M hydrochloric acid, filtering, repeatedly washing by deionized water, dispersing in deionized water, removing lower particulate, repeatedly washing, high speed centrifuging, dialyzing until pH of solution is 7.0, and freeze-drying; dispersing graphene oxide in deionized water, adding ammonium molybdate and thiourea, sonicating, standing, washing with deionized water and absolute ethanol, and drying; and cutting nickel foam, diluting hydrochloric acid, ultrasonic cleaning, drying, tableting, taking graphene oxide/molybdenum sulfide material, mixing with polyvinylidene fluoride and acetylene black, making into N-methyl-2-pyrrolidone, applying to foamed nickel, and drying. USE - The method is used for preparation of graphene oxide/molybdenum sulfide electrode. ADVANTAGE - The electrode has high intrinsic ionic conductivity and high specific capacitance. The method is simple and environment-friendly and has high efficiency. DETAILED DESCRIPTION - Preparation of graphene oxide/molybdenum sulfide electrode comprises: (A) taking graphite powder and sodium nitrate under ice bath condition, adding sulfuric acid, stirring, adding potassium permangate, water bath stirring at 36 degrees C for 1 hour, adding deionized water, stirring at 90 degrees C for 15 minutes, adding deionized water and hydrogen peroxide, washing with 1 M hydrochloric acid, filtering, repeatedly washing by deionized water, dispersing in deionized water at 4000 revolutions/minute (rpm) for 5 minutes, removing lower particulate, repeatedly washing for 4-5 times, high speed centrifuging at 8000 rpm for 20 minutes, dialyzing until pH of solution is 7.0, and freeze-drying the graphite oxide solution, where mass ratio of graphite powder and sodium nitrate is 1:1; mass-volume ratio of graphite powder and sulfuric acid is 1 g:26.67 mL, mass ratio of graphite powder and potassium permangate is 1:3; mass-volume ratio of graphite powder to deionized water is 1 g:216.67 mL; and mass-volume ratio of precipitate to 1 M hydrochloric acid is 1 g:(33.3-66.7) mL; (B) dispersing graphene oxide in deionized water, adding ammonium molybdate and thiourea, sonicating for 15 minutes, standing for 10 hours under 180 degrees C water bath, washing with deionized water and absolute ethanol for 3 times, and drying for 12 hours, where mass-volume ratio of graphene oxide to deionized water is 1 g:2 L; mass ratio of the graphene oxide and ammonium molybdate is 1:0.3; and mass ratio of graphene oxide and thiourea; and (C) cutting nickel foam into 40 mmx 50 mm size, diluting 1 M hydrochloric acid, ultrasonic cleaning with absolute ethanol and ultrapure water, drying, tableting to prepare electrode substrate, taking graphene oxide/molybdenum sulfide material, mixing with polyvinylidene fluoride and acetylene black, making into N-methyl-2-pyrrolidone, applying to foamed nickel, and drying at 100 degrees C, where mass ratio of graphene oxide/molybdenum sulfide material, polyvinylidene fluoride, and acetylene black is 8:1:1.