▎ 摘　　要

NOVELTY - Molybdenum disulfide/reduced graphene oxide/nickel nanoparticle composite material comprises molybdenum disulfide nanosheet dispersed on reduced graphene oxide as substrate, and nickel nanoparticles dispersed on reduced graphene oxide substrate and molybdenum disulfide nanosheet. USE - Molybdenum disulfide/reduced graphene oxide/nickel nanoparticle composite material used as hydrogen evolution reaction catalyst in alkaline electrolyte (claimed). ADVANTAGE - The molybdenum disulfide/reduced graphene oxide/nickel nanoparticle composite material has hydrogen evolution reaction catalytic activity in acidic electrolyte and alkaline electrolyte, better hydrogen evolution reaction catalytic activity in alkaline electrolyte, simple and easy preparation, and low cost and easy to obtain raw materials. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for preparation of molybdenum disulfide/reduced graphene oxide/nickel nanoparticle composite material comprising dispersing graphene oxide in water to obtain graphene oxide dispersion liquid, mixing molybdenum source, sulfur source and graphene oxide dispersion liquid to obtain first reaction mixture, hydrothermally reacting at 180-220 degrees C for 18-30 hours, separating, washing, obtaining molybdenum disulfide/reduced graphene oxide composite material, dispersing in organic solvent to obtain molybdenum disulfide/reduced graphene oxide composite material dispersion, adding nickel source and hydrazine hydrate into the molybdenum disulfide/reduced graphene oxide composite material dispersion, adjusting the pH at 8-10 to obtain second reaction mixture, reacting at 50-70 degrees C for 0.5-3 hours, separating and washing.