• 专利标题:   Graphene composition used for forming electroconductive film, comprises monolayer graphene or graphene of two or more layers having preset average thickness, bubbles having average diameter less than preset value, and solvent.
  • 专利号:   WO2018135540-A1, TW201829309-A
  • 发明人:   KONDO H
  • 专利权人:   IDEMITSU KOSAN CO LTD
  • 国际专利分类:   C01B032/19, C01B032/184, H01B013/00
  • 专利详细信息:   WO2018135540-A1 26 Jul 2018 C01B-032/19 201853 Pages: 22 Japanese
  • 申请详细信息:   WO2018135540-A1 WOJP001258 17 Jan 2018
  • 优先权号:   JP007979

▎ 摘  要

NOVELTY - A graphene composition comprises monolayer graphene or graphene of two or more layers (a) having an average thickness of 0.3-30 nm, bubbles (b) having an average diameter of 500 nm or less, and a solvent (c) chosen from water, organic solvent, and mixed solvent of water and organic solvent. USE - Graphene composition is used for forming electroconductive film used as thermal radiation sheet (all claimed). Can also be used as electromagnetic wave absorption sheet and antistatic sheet, and for electrode used in touchscreen of mobile telephone, lithium ion battery, lithium ion capacitor, fuel cell, and solar cell. ADVANTAGE - The graphene composition has excellent dispersibility and suppressed aggregation of graphene. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for manufacture of graphene composition, which involves mixing graphite, the bubbles, and the solvent, obtaining a liquid mixture, and ultrasonically processing and/or mechanical shear processing the liquid mixture.