• 专利标题:   Reducing graphene oxide modified carbon felt for all-vanadium redox flow battery electrode, by dispersing graphene oxide in ionic liquid, cutting carbon felt into sheet, immersing, performing ionic thermal reaction, washing and drying.
  • 专利号:   CN111834641-A
  • 发明人:   XUE B, ZHANG L, ZHANG S
  • 专利权人:   INST PROCESS ENG CHINESE ACAD SCI
  • 国际专利分类:   C01B032/19, C01B032/198, D06M101/40, D06M011/74, H01M004/86, H01M004/88, H01M004/96, H01M008/18
  • 专利详细信息:   CN111834641-A 27 Oct 2020 H01M-004/88 202096 Pages: 9 Chinese
  • 申请详细信息:   CN111834641-A CN10594067 24 Jun 2020
  • 优先权号:   CN10594067

▎ 摘  要

NOVELTY - Method for reducing graphene oxide modified carbon felt involves (i) ultrasonically dispersing graphene oxide in ionic liquid to prepare uniform dispersion (A), (ii) cutting carbon felt into a sheet, and completely immersing in the dispersion (A), (iii) transferring the immersed carbon felt to a reactor for ionic thermal reaction, and (iv) taking out the carbon felt after cooling, and drying after washing to obtain the product of composite electrode material. USE - The method is useful for reducing graphene oxide modified carbon felt for all-vanadium redox flow battery electrode (claimed). ADVANTAGE - The method has excellent dispersion, uniform reaction, high modification efficiency and economic benefit, and is pollution-free. DETAILED DESCRIPTION - INDEPENDENT CLAIMS are included for the following: (1) a composite material of reducing graphene oxide modified carbon felt prepared by the above method; (2) an all-vanadium redox flow battery electrode prepared using the reducing graphene oxide-modified carbon felt composite material as an electrode; and (3) an all-vanadium flow battery assembled with the electrode as an electrode.