• 专利标题:   Graphene heat-dissipation film-containing alloy material used for e.g. heat-transfer component of electronic equipment, substrate made of copper alloy, iron alloy or aluminum alloy, and graphene film which covers surface of substrate.
  • 专利号:   CN110965039-A
  • 发明人:   ZHANG Z, YANG D, HE P
  • 专利权人:   CHINA DONGFANG ELECTRIC CORP
  • 国际专利分类:   C23C016/02, C23C016/26, C23C016/455, C23C016/52
  • 专利详细信息:   CN110965039-A 07 Apr 2020 C23C-016/26 202038 Pages: 7 Chinese
  • 申请详细信息:   CN110965039-A CN11253765 09 Dec 2019
  • 优先权号:   CN11253765

▎ 摘  要

NOVELTY - A graphene heat-dissipation film-containing alloy material comprises a substrate made of alloy, and a graphene film which covers the surface of the substrate. The alloy is a copper alloy, an iron alloy or an aluminum alloy. The graphene film is a single layer or 2-1000 layers. USE - Graphene heat-dissipation film-containing alloy material is used for heat-transfer, heat-dissipation and heat-exchange components of electronic equipment. ADVANTAGE - The graphene heat-dissipation film-containing alloy material has improved thermal conductivity, and heat-dissipation and heat-transfer characteristics. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for preparation of graphene heat-dissipation film-containing alloy material, which involves removing chemical impurity of the alloy substrate using dilute hydrochloric acid, cleaning, drying, placing the dried alloy substrate in a chemical vapor deposition reaction chamber, sealing the reaction chamber, reducing the pressure of the chemical vapor deposition reaction chamber, introducing hydrogen and protective gas, heating, then introducing carbon-containing gas and protective gas, heating such that the carbon-containing gas is cracked and deposited as graphene on the alloy surface, and cooling.