• 专利标题:   Preparation of graphene used for, e.g. energy storage device by preprocessing working and auxiliary electrodes, assembling, and disposing with graphite intercalation-containing electrolyte to carry out ion and electronic conductions.
  • 专利号:   CN104894594-A
  • 发明人:   YANG Y
  • 专利权人:   GUANGDONG ZHUGUANG NEW ENERGY TECHNOLOGY
  • 国际专利分类:   C01B031/04, C25B001/00
  • 专利详细信息:   CN104894594-A 09 Sep 2015 C25B-001/00 201602 Pages: 12 Chinese
  • 申请详细信息:   CN104894594-A CN10276058 26 May 2015
  • 优先权号:   CN10276058

▎ 摘  要

NOVELTY - Preparation of graphene includes attaching carbon material-containing working layer into working current collector to obtain working electrode; attaching power source material-containing auxiliary layer into secondary current collector to obtain auxiliary electrode; assembling working electrode and auxiliary electrode to obtain pre-reaction member; disposing with graphite intercalation and/or peel functional component-containing electrolyte to carry out ion conduction, performing electronic conduction, and peeling off graphite sheet; and taking out, removing impurities, and drying. USE - Method for preparation of graphene used for energy storage device, thermal conductivity device and electrically conductive device (all claimed). ADVANTAGE - The method is suitable for large scale production and has low cost. DETAILED DESCRIPTION - Preparation of graphene comprises: (A) attaching carbon material-containing working layer into working current collector to obtain working electrode; (B) attaching power source material-containing auxiliary layer into secondary current collector to obtain auxiliary electrode; (C) assembling working electrode and auxiliary electrode to obtain pre-reaction member; (D) disposing with graphite intercalation and/or peel functional component-containing electrolyte to carry out ion conduction between working layer and the auxiliary layer, performing electronic conduction, and peeling off graphite sheet to obtain graphene pre-reaction body; and (E) taking out, removing impurities to obtain graphene slurry, and drying into powder. The step D also contains 0-20 wt.% surfactant.