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  • 专利标题:   Preparation of graphene powder material comprises taking polyphenyl compound metal and non-metal elementary substance, pumping protective gas, heating, raising temperature, and annealing.
  • 专利号:   CN108622883-A
  • 发明人:   XU Z
  • 专利权人:   FUJIAN XINFENG TWO DIMENSIONAL MATERIAL
  • 国际专利分类:   C01B032/184
  • 专利详细信息:   CN108622883-A 09 Oct 2018 C01B-032/184 201879 Pages: 11 Chinese
  • 申请详细信息:   CN108622883-A CN10176915 22 Mar 2017
  • 优先权号:   CN10176915

▎ 摘　　要

NOVELTY - A graphene powder material is prepared by taking 1:0.01-1 mass ratio of polyphenyl compound metal and non-metal elementary substance, pumping protective gas, heating at 500-800 degrees C at rate of 1-3 degrees C/min, raising temperature, and annealing. USE - Method for preparing graphene powder material. ADVANTAGE - The product has large specific surface area with good quality.