• 专利标题:   Preparing high density graphite-silver composite material involves preparing oxidized graphite alkene substrate using improved Hummers method, performing secondary ultrasonic dispersion and obtaining oxidized graphene aqueous solution.
  • 专利号:   CN107761081-A, CN107761081-B
  • 发明人:   LIN R
  • 专利权人:   CHENZHOU BOTAI SUPERFINE GRAPHITE LTD
  • 国际专利分类:   B22F009/24, B82Y030/00, B82Y040/00, C01B032/184, C23C018/44
  • 专利详细信息:   CN107761081-A 06 Mar 2018 C23C-018/44 201825 Pages: 8 Chinese
  • 申请详细信息:   CN107761081-A CN10886124 27 Sep 2017
  • 优先权号:   CN10886124

▎ 摘  要

NOVELTY - Preparing high density graphite-silver composite material involves preparing oxidized graphite alkene substrate using improved Hummers method, performing secondary ultrasonic dispersion dissolved in water, obtaining oxidized graphene aqueous solution, cleaning substrate, performing surface treatment by delta 3-Aminopropyltriethoxysilane after drying, dipping oxidized graphene aqueous solution to obtain oxidized graphite alkene substrate and mixing silver nitrate, sodium citrate and reducing agent to obtain silver nitrate reducing liquid. USE - Method for preparing high density graphite-silver composite material. DETAILED DESCRIPTION - Preparing high density graphite-silver composite material involves preparing oxidized graphite alkene substrate using improved Hummers method, performing secondary ultrasonic dispersion dissolved in water, obtaining oxidized graphene aqueous solution, cleaning substrate, performing surface treatment by delta 3-Aminopropyltriethoxysilane after drying, dipping oxidized graphene aqueous solution to obtain oxidized graphite alkene substrate and mixing silver nitrate, sodium citrate and reducing agent to obtain silver nitrate reducing liquid. The preparation of high density graphite-silver composite material further involves preparing silver nitrate reducing solution of graphene oxide by immersing substrate, blowing using nitrogen, taking soaked substrate, performing freeze-drying, reducing hydrazine steam, finishing reaction, using deionized water to wash to obtain graphite-silver composite material, performing heat treatment to obtain high density graphite-silver composite material, where, preparation is done under inert gas atmosphere.