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  • 专利标题:   Preparation of graphene comprises adding concentrated sulfuric acid and chlorosulfonic acid to expanded graphite or graphite powder, dropping hydrogen peroxide, and separating graphene into layers.
  • 专利号:   CN103864058-A
  • 发明人:   SUN X, YANG H
  • 专利权人:   YANG H
  • 国际专利分类:   C01B031/04
  • 专利详细信息:   CN103864058-A 18 Jun 2014 C01B-031/04 201456 Pages: 5 Chinese
  • 申请详细信息:   CN103864058-A CN10528688 11 Dec 2012
  • 优先权号:   CN10528688

▎ 摘　　要

NOVELTY - Preparation of graphene comprises adding concentrated sulfuric acid and chlorosulfonic acid to expanded graphite or graphite powder, dropping hydrogen peroxide 0-160 degrees C, preferably 30-130 degrees C, and separating graphene by 2-10 layers, preferably 3-5 layers. USE - Method for the preparation of graphene (claimed). ADVANTAGE - The method is environment-friendly.