• 专利标题:   Preparing graphene material comprises e.g. placing graphene oxide containing metal impurities and/or non-metal impurities in carrier, then placing carrier in high temperature vacuum furnace, vacuumizing vacuum furnace and heating.
  • 专利号:   CN108033441-A
  • 发明人:   LI X, GUO L, QI C, LIU H, JIANG H, HUANG Y
  • 专利权人:   SICHUAN JUCHUANG GRAPHENE TECHNOLOGY CO
  • 国际专利分类:   C01B032/184
  • 专利详细信息:   CN108033441-A 15 May 2018 C01B-032/184 201836 Pages: 18 Chinese
  • 申请详细信息:   CN108033441-A CN10090218 30 Jan 2018
  • 优先权号:   CN10090218

▎ 摘  要

NOVELTY - Preparing graphene material comprises (i) placing graphene oxide containing metal impurities and/or non-metal impurities in carrier, and then placing carrier in high temperature vacuum furnace, (ii) vacuumizing vacuum furnace to a negative pressure of 60-100 Pa, and (iii) setting temperature of high-temperature vacuum furnace to 1250-2500 degrees C and heating for 60-600 minutes. USE - The method is useful for preparing graphene material. ADVANTAGE - The material has high purity. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is also included for graphene material is obtained by above method.