• 专利标题:   Preparation of graphene oxide composite superfine silver powder involves mixing and reacting solutions comprising dispersed graphene oxide in deionized water, and silver nitrate, and Arabic gum, ascorbic acid, deionized water, and silver nitrate, stirring, heating, filtering washing, and drying.
  • 专利号:   CN113385684-A
  • 发明人:   LI X, GAO S, QIN L, KANG S
  • 专利权人:   SHANGHAI INST TECHNOLOGY
  • 国际专利分类:   B22F009/24, B22F001/02, C01B032/198
  • 专利详细信息:   CN113385684-A 14 Sep 2021 B22F-009/24 202190 Pages: 12 Chinese
  • 申请详细信息:   CN113385684-A CN10266122 11 Mar 2021
  • 优先权号:   CN10266122

▎ 摘  要

NOVELTY - Preparation of graphene oxide composite superfine silver powder involves (1), dispersing graphene oxide in deionized water, obtaining graphene oxide dispersion, adding silver nitrate solution and obtaining GO solution, (2) adding Arabic gum and ascorbic acid into deionized water, preparing into a reducing liquid, adding silver nitrate solution, stirring, heating, filtering and washing to obtain silver powder, adding water, and obtaining silver powder suspension, and (3) adding the GO solution into the silver powder suspension, stirring, heating, filtering, washing and drying. USE - Preparation of graphene oxide composite superfine silver powder. ADVANTAGE - The method enables preparation of graphene oxide composite superfine silver powder having increased electron transmission due to increased contact between silver particles, and excellent conductivity.