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  • 专利标题:   Grading graphene material comprises taking the graphene material, adding solvent, stirring to obtain graphene material dispersion liquid, and centrifugal grading the graphene material dispersion liquid.
  • 专利号:   CN105314627-A
  • 发明人:   HAO F, HU Q, LI L, TONG L, WANG H, WANG Q, WANG Y, YU J, ZHANG J, ZHANG X, ZHANG Z, ZHOU Z
  • 专利权人:   ANHUI YINENG NEW MATERIAL TECHNOLOGY CO
  • 国际专利分类:   C01B031/04
  • 专利详细信息:   CN105314627-A 10 Feb 2016 C01B-031/04 201630 Pages: 15 English
  • 申请详细信息:   CN105314627-A CN10740524 30 Oct 2015
  • 优先权号:   CN10740524

▎ 摘　　要

NOVELTY - Grading graphene material comprises (i) taking the graphene material, adding solvent and stirring to obtain 1-20 mg/ml concentration graphene material dispersion liquid A, and (ii) centrifugal grading the graphene material dispersion liquid A at 0-5 degrees C. USE - The method is useful for grading graphene material (claimed). ADVANTAGE - The method maintains stability of the system, and reduces electrostatic repulsion and van der Waals forces.