▎ 摘　　要

NOVELTY - Tungsten disulfide/molybdenum disulfide/graphene composite material has a layered structure comprises sheet tungsten disulfide, sheet molybdenum disulfide and graphene sheet composite, which compounded to form a layered structure. USE - The material is useful in the hydrogen evolution reaction (claimed). ADVANTAGE - The method is simple, easy to operate and economical and has mild condition, and promotes the commercial application of tungsten disulfide composite catalyst, provides a good catalyst for hydrogen evolution field, and provides a new idea for preparing composite two-dimensional catalyst synthesis. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is also included for preparing the composite material, comprising (a) dispersing the molybdenum disulfide powder, the first surfactant and water to obtain a dispersion liquid, centrifuging and grinding to obtain molybdenum disulfide micronanosheet, dispersing and mixing the expanded graphite, the second surfactant and water to obtain a dispersion, centrifuging and grinding to obtain graphene micro-nano sheets, mixing tungsten hexachloride, ammonium tungstate and water to obtain a mixed solution A, (b) re-dispersing the molybdenum disulfide micro-nano sheets, graphene micro-nano sheets, sulfur source, third surfactant and water to obtain a mixed solution B, and (c) mixing the mixed solution B and the mixed solution, adjusting the pH value, and performing the reaction.