• 专利标题:   Preparing metal composite graphene oxygen reduction reaction electrocatalyst material comprises e.g. mixing carbon-containing polymer solution with metal salt, dropping on substrate, spin-coating, drying, peeling off, heating, and grinding.
  • 专利号:   CN113101926-A, CN113101926-B
  • 发明人:   ZHENG H, CHEN W, CHU Q, ZHANG Y, ZHENG L, ZHENG P
  • 专利权人:   UNIV HANGZHOU DIANZI
  • 国际专利分类:   B01J023/52, B01J023/72, B01J037/34
  • 专利详细信息:   CN113101926-A 13 Jul 2021 B01J-023/52 202166 Pages: 9 Chinese
  • 申请详细信息:   CN113101926-A CN10293227 18 Mar 2021
  • 优先权号:   CN10293227

▎ 摘  要

NOVELTY - Preparing metal composite graphene oxygen reduction reaction electrocatalyst material comprises (i) preparing carbon-containing polymer solution, (ii) mixing the solution prepared in step (1) with metal salt, and stirring with a magnetic stirrer or a glass rod, (iii) dropping the uniformly mixed solution prepared in step (ii) on the substrate, and spin-coating to form film, (iv) drying the spin-coated substrate with composite solution under a baking lamp, (v) peeling off the dried sample from the substrate, placing in a self-made mold, heating by using microwave plasma treatment under nitrogen and hydrogen atmosphere, cooling and taking out in a nitrogen and hydrogen atmosphere, and (vi) grinding the sample into powder in a mortar. USE - The electrocatalyst material is useful in field of oxygen reduction reaction electrocatalyst. ADVANTAGE - The method: has simple operation, short experiment period, fast heat treatment process, and low cost. DETAILED DESCRIPTION - Preparing metal composite graphene oxygen reduction reaction electrocatalyst material comprises (i) preparing carbon-containing polymer solution, (ii) mixing the solution prepared in step (1) with metal salt, and stirring with a magnetic stirrer or a glass rod, (iii) dropping the uniformly mixed solution prepared in step (ii) on the substrate, and spin-coating to form film, (iv) drying the spin-coated substrate with composite solution under a baking lamp, (v) peeling off the dried sample from the substrate, placing in a self-made mold, heating by using microwave plasma treatment under nitrogen and hydrogen atmosphere, cooling and taking out in a nitrogen and hydrogen atmosphere, and (vi) grinding the sample into powder in a mortar, in the above steps, the carbon precursor solution and metal salt are mixed as raw materials, and then spin-coated on the substrate, and dried to form film, and the metal composite graphene is grown by microwave plasma technology, and the metal precursor contains copper nitrate, silver nitrate and metal chloride.