• 专利标题:   Preparation of graphene, involves oxidizing expandable graphite material that is prepared by microwave method by Hummers method, cooling in ice bath, peeling graphene sheet by dripping cold water and hydrolyzing.
  • 专利号:   CN107673341-A
  • 发明人:   ZHANG H
  • 专利权人:   HUNAN HENGYI MATERIAL TECHNOLOGY CO LTD
  • 国际专利分类:   C01B032/192
  • 专利详细信息:   CN107673341-A 09 Feb 2018 C01B-032/192 201817 Pages: 8 Chinese
  • 申请详细信息:   CN107673341-A CN11060942 02 Nov 2017
  • 优先权号:   CN11060942

▎ 摘  要

NOVELTY - Preparation of graphene involves oxidizing expandable graphite material that is prepared by microwave method at 45 degrees C by Hummers method, cooling in an ice bath or circulating water at 4-5 degrees C, peeling graphene sheet by dripping cold water and hydrolyzing. USE - Preparation of graphene. ADVANTAGE - The method enables simple preparation of safe and reliable graphene with high yield and large area.