• 专利标题:   Method for preparing amorphous molybdenum sulfide/tungsten sulfide and three-dimensional nitrogen-doped graphene hydrogen evolution reaction catalyst, involves performing plasma treatment to obtain target product catalyst.
  • 专利号:   CN114875445-A
  • 发明人:   ZHANG D, ZHANG S, OU Q
  • 专利权人:   UNIV FUDAN
  • 国际专利分类:   C25B001/04, C25B011/091
  • 专利详细信息:   CN114875445-A 09 Aug 2022 C25B-011/091 202291 Chinese
  • 申请详细信息:   CN114875445-A CN10501579 09 May 2022
  • 优先权号:   CN10501579

▎ 摘  要

NOVELTY - The method involves performing graphene oxide for ultraviolet ozone treatment. Ammonium tetrathiomolybdate, ammonium tetrathiotungstate and three-dimensional (3D) graphene oxide uniformly dispersed in a solvent are taken to obtain dispersion liquid. Freeze-drying processing is performed on the dispersion liquid to obtain a precursor powder or a dispersion coated and loaded electrode surface. The solvent is volatilized to obtain the precursor electrode. The obtained precursor powder or precursor electrode or precursor electrode are put in a vacuum cavity. Plasma treatment is performed to obtain a target product catalyst or target product catalyst covered on a surface of a load electrode. USE - Method for preparing amorphous molybdenum sulfide/tungsten sulfide and 3D nitrogen-doped graphene hydrogen evolution reaction catalyst (claimed). ADVANTAGE - The amorphous molybdenum sulfide/tungsten sulfide or three-dimensional nitrogen-doped graphene hydrogen evolution reaction catalyst has high catalytic activity and high stability in the process of electrolyzing water under the industrial grade current density. It controls the mass ratio and plasma treatment process of tetrathiomolybdate in the precursor, can realize the control of the catalyst performance, so as to obtain the best performance of hydrogen evolution catalyst. It does not contain noble metal and can effectively catalyze industrial stage current density hydrogen evolution reactions. DESCRIPTION OF DRAWING(S) - The drawing shows a scanning electron micrograph/microscopic photograph view of an amorphous molybdenum sulfide/tungsten sulfide and 3D nitrogen-doped graphene hydrogen evolution reaction catalyst.