• 专利标题:   Silver/graphene composite silver-plating solution useful in electroplating field, comprises e.g. water-soluble silver containing compound, potassium pyrosulfite, ammonium acetate, thiosemicarbazide, graphene and polyvinylpyrrolidone.
  • 专利号:   CN107254696-A
  • 发明人:   LV W, FU Q
  • 专利权人:   ELECTRIC POWER RES INST GUANGDONG POWER
  • 国际专利分类:   C25D015/00, C25D003/46
  • 专利详细信息:   CN107254696-A 17 Oct 2017 C25D-003/46 201782 Pages: 15 Chinese
  • 申请详细信息:   CN107254696-A CN10428078 08 Jun 2017
  • 优先权号:   CN10428078

▎ 摘  要

NOVELTY - Silver/graphene composite silver-plating solution comprises 20-60 g/l water-soluble silver containing compound, 150-300 g/l sodium thiosulfate, 20-60 g/l potassium pyrosulfite, 20-30 g/l ammonium acetate, 0.2-1 g/l thiosemicarbazide, 5-10 g/l graphene and 5 ml/l polyvinylpyrrolidone. USE - The silver/graphene composite silver-plating solution is useful in electroplating field. ADVANTAGE - The silver/graphene composite silver-plating solution: can solve problem that the current composite silver plating solution preparation of silver/graphene composite plating graphene is not well bonded to the technical defects associated with the composite coating. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is also included for: (1) preparing silver/graphene composite silver-plating solution, comprising (i) mixing water-soluble silver-containing compound, sodium thiosulfate, potassium pyrosulfite, ammonium acetate and thiosemicarbazide to obtain a mixed solution, (ii) mixing the mixed solution with graphene flakes and polyvinylpyrrolidone, and dissolving the graphene under ultrasonic condition to obtain final product; and electrodeposition process comprising (i) preparing silver/graphene composite silver-plating solution, (ii) setting copper sheet, and (iii) placing the copper sheet in silver/graphene composite silver plating solution, and carrying out electrodeposition to obtain silver/graphite composite coating.