• 专利标题:   Preparing two-dimensional graphene comprises e.g. dispersing graphite and additives in aqueous solution to obtain mixed solution, cyclically peeling mixture, and subjecting stationary supernatant to continuous centrifugal separation.
  • 专利号:   CN107381559-A
  • 发明人:   LONG Z, TIAN J, WU W, ZHANG Z, ZHOU X
  • 专利权人:   BEIJING ZHONGYUAN LONGGANG MINING TECHNOLOGY CO LTD
  • 国际专利分类:   C01B032/19
  • 专利详细信息:   CN107381559-A 24 Nov 2017 C01B-032/19 201801 Pages: 9 Chinese
  • 申请详细信息:   CN107381559-A CN10792263 05 Sep 2017
  • 优先权号:   CN10792263

▎ 摘  要

NOVELTY - Preparing two-dimensional graphene comprises (i) dispersing graphite and additives in aqueous solution to obtain mixed solution, where weight ratio between graphite and additive is 1:1 and 30:1, (ii) cyclically peeling mixture by shear to obtain suspension, (iii) allowing suspension to stand to obtain stationary supernatant and allowing to stand precipitate, and (iv) subjecting stationary supernatant to continuous centrifugal separation to obtain two-dimensional graphene suspension and nano-graphite plate which is precipitated by centrifugation. USE - The method is useful for preparing two-dimensional graphene (claimed). ADVANTAGE - The method has simple operation, controllable size, high efficiency, low cost, environmentally friendliness, and is suitable for large-scale production. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is also included for two-dimensional graphene obtained by above method.