• 专利标题:   Proton exchange membrane for membrane electrode assembly used in fuel cell and proton exchange membrane electrolyser, has ion-conducting layer having ion-conducting polymer and supported recombination catalyst that is supported on graphene.
  • 专利号:   WO2020148545-A1, GB2582695-A
  • 发明人:   MISTRY M, OMALLEY R, MISTRY M K, OMALLEY R L
  • 专利权人:   JOHNSON MATTHEY FUEL CELLS LTD
  • 国际专利分类:   H01M004/90, H01M004/92, H01M008/1004, H01M008/1018, H01M008/1051, H01M008/1053, C08J005/22, C25B013/08
  • 专利详细信息:   WO2020148545-A1 23 Jul 2020 H01M-004/90 202061 Pages: 27 English
  • 申请详细信息:   WO2020148545-A1 WOGB050093 17 Jan 2020
  • 优先权号:   GB000646

▎ 摘  要

NOVELTY - The membrane has an ion-conducting layer having an ion-conducting polymer and a supported recombination catalyst. The supported recombination catalyst is supported on graphene. The supported recombination catalyst is dispersed in the ion-conducting polymer. The recombination catalyst is platinum, palladium, an alloy having platinum, and an alloy having palladium, or a mixture. The recombination catalyst is supported on graphene-based platelets. The ion-conducting layer does not have supported recombination catalyst. USE - Proton exchange membrane for membrane electrode assembly used in fuel cell and proton exchange membrane electrolyser (all claimed). ADVANTAGE - Thickening the membrane is a conventional way to reduce gas crossover, but thickening the membrane increases ionic resistance which has a negative impact on performance. DESCRIPTION OF DRAWING(S) - The drawing shows schematic view of the arrangement of membrane layers in a proton exchange membrane.