• 专利标题:   Producing nano-catalyst film useful for nano-catalytic electrodes comprises preparing graphene sheet dispersion, forming nanoporous graphene membrane by coating graphene sheet dispersion on filtration membrane and vacuum filtration.
  • 专利号:   KR2023044055-A
  • 发明人:   HOUN K J, SEONG C Y
  • 专利权人:   UNIV SUNGKYUNKWAN RES BUSINESS FOUND
  • 国际专利分类:   B01J021/18, B01J035/06, B01J035/10, B01J037/02, B01J037/08, C25B001/04, C25B011/065
  • 专利详细信息:   KR2023044055-A 03 Apr 2023 B01J-037/02 202330 Pages: 17
  • 申请详细信息:   KR2023044055-A KR126301 24 Sep 2021
  • 优先权号:   KR126301

▎ 摘  要

NOVELTY - Producing nano-catalyst film comprises (S100) preparing a graphene sheet dispersion, (S200) forming a nanoporous graphene membrane by coating the graphene sheet dispersion on a filtration membrane and vacuum filtration, (S300) coating a catalyst dispersion on the nanoporous graphene membrane and vacuum filtering to form a catalyst film and (S400) removing the filtration membrane. USE - The nano-catalyst film is useful for nano-catalytic electrodes (claimed). ADVANTAGE - The nano-catalyst film: has improved surface area; improves the efficiency of the catalytic reaction; is economical; prevents damage of high electrical conductivity of graphene; prevents damage the intrinsic properties of the catalyst; capable of large-area production; has simple manufacturing process; allows even nano-sized catalysts to be loaded onto the nanoporous graphene membrane as a support without loss; and allows catalyst to be loaded onto the nanoporous graphene membrane as a support, regardless of the type of catalytic material and without binding to a conductive material and a binder. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is also included for manufacturing nano-catalytic electrodes comprising (i) preparing a graphene sheet dispersion, (ii) forming a nanoporous graphene membrane by coating the graphene sheet dispersion on a filtration membrane and vacuum filtration, (iii) coating a catalyst dispersion on the nanoporous graphene membrane and vacuum filtering to form a catalyst film, (iv) removing the filtration membrane and (v) transferring the catalyst film to an electrode. DESCRIPTION OF DRAWING(S) - The drawing shows a flow chart illustrating a method for manufacturing a nano-catalyst film (Drawing includes non-English language text). S100Preparing a graphene sheet dispersion S200Forming a nanoporous graphene membrane S210Drying the lane in vacuum S300Coating a catalyst dispersion on the nanoporous graphene membrane S400Removing the filtration membrane