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  • 专利标题:   Mass preparation of graphene, involves filter-pressing filter cake obtained by Hummers method, heating to obtain crude graphene powder, adding water to crude graphene powder, mixing and filtering to obtain cake, washing and filtering to obtain purified graphene filter cake, and drying.
  • 专利号:   CN113307256-A
  • 发明人:   LU G, LIU T, LI L, REN X, MA L, HAN W
  • 专利权人:   SHANDONG JINLITE NEW MATERIAL CO LTD
  • 国际专利分类:   C01B032/19
  • 专利详细信息:   CN113307256-A 27 Aug 2021 C01B-032/19 202183 Pages: 5 Chinese
  • 申请详细信息:   CN113307256-A CN10760476 06 Jul 2021
  • 优先权号:   CN10760476

▎ 摘　　要

NOVELTY - Mass preparation of graphene, involves filter-pressing the filter cake obtained by Hummers method, heating to 500-1500 degrees C to obtain crude graphene powder, adding water to the crude graphene powder, mixing and filtering to obtain a cake, washing and filtering to obtain purified graphene filter cake, and drying to obtain graphene powder. USE - Mass preparation of graphene. ADVANTAGE - The method is simple, easy and efficient, and can be carried out on a large scale.