• 专利标题:   Tungsten disulfide/molybdenum disulfide/graphene composite material useful in hydrogen evolution reaction, has layered structure comprises sheet tungsten disulfide, sheet molybdenum disulfide and graphene sheet composite, which are compounded to form layered structure.
  • 专利号:   CN113617368-A
  • 发明人:   WU B, YANG Y
  • 专利权人:   SHANDONG HAIKE INNOVATION RES INST CO
  • 国际专利分类:   B01J027/051, C25B001/04, C25B011/091
  • 专利详细信息:   CN113617368-A 09 Nov 2021 B01J-027/051 202213 Chinese
  • 申请详细信息:   CN113617368-A CN10321901 22 Apr 2020
  • 优先权号:   CN10321901

▎ 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.