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  • 专利标题:   Copper foil for manufacturing graphene, has specified sum total of oxides and sulfides having diameter of below preset value before heating under hydrogen and argon-containing atmosphere.
  • 专利号:   WO2012165548-A1, KR2014014253-A, CN103596879-A, EP2716601-A1, US2014183160-A1, JP2013518162-X, KR1538259-B1, US9255007-B2, TW527635-B1, JP5959510-B2, EP2716601-B1, ES2628073-T3, EP2716601-A4, CN103596879-B
  • 发明人:   CHIBA Y, YAMAJI T, YOSHIHIRO C, TATSUYA Y, CHIBA G
  • 专利权人:   NIPPON MINING METALS CO LTD, NIPPON MINING CO, NIPPON MINING METALS CO LTD, NIPPON MINING METALS CO LTD, JX NIPPON MINING METALS CORP
  • 国际专利分类:   C01B031/02, C01B031/04, C23F001/00, B01J023/72, B01J027/04, B01J037/00, B01J037/18, B21B001/00, B32B015/20, B82Y030/00, B82Y040/00, C22C009/00, C22C009/02, C22F001/08, B21B001/40, B21B003/00, C01B032/05, C01B032/20, C01B032/186
  • 专利详细信息:   WO2012165548-A1 06 Dec 2012 C01B-031/02 201282 Japanese
  • 申请详细信息:   WO2012165548-A1 WOJP064077 31 May 2012
  • 优先权号:   JP124686, JP249471, JP260500, KR730831

▎ 摘　　要

NOVELTY - A copper foil (10) has sum total of oxides and sulfides having diameter of 0.5 mu m or more of 15 piece/mm as measured by elemental analysis of surface by scanning electron microscope, before heating under atmosphere containing 20 vol.% or more of hydrogen and remainder of argon at 1000 degrees C for 1 hour. USE - Copper foil is used for manufacturing graphene (claimed) for separator of fuel cell, transparent electrode, conductive thin film of display element, mercury-free fluorescent lamp, composite material, and carrier of drug delivery system. ADVANTAGE - The copper foil economically manufactures graphene with high productivity. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for manufacture of graphene (20), which involves supplying carbon-containing gas to chamber (100) where copper foil is heated, etching copper foil, laminating transfer sheet on surface of graphene, and transferring graphene on transfer sheet. DESCRIPTION OF DRAWING(S) - The drawing shows schematic view explaining manufacture of graphene. Copper foil (10) Graphene (20) Transfer sheet (30) Substrate (40) Chamber (100)