• 专利标题:   Preparing phosphorylated carbon nanotube and phosphorylated graphene oxide synergistically modified polymer hybrid proton exchange membrane by mixing carboxylated carbon nano-tube and graphene oxide with dopamine hydrochloride buffer solution and passing film material via hydrogen peroxide solution.
  • 专利号:   CN114634642-A, CN114634642-B
  • 发明人:   LI G, RAO Z, LIU H
  • 专利权人:   UNIV HUAZHONG SCI TECHNOLOGY
  • 国际专利分类:   B82Y030/00, B82Y040/00, C08J005/22, C08K003/04, C08K009/04, C08L027/18, H01M008/1088
  • 专利详细信息:   CN114634642-A 17 Jun 2022 C08J-005/22 202290 Chinese
  • 申请详细信息:   CN114634642-A CN10167901 23 Feb 2022
  • 优先权号:   CN10167901

▎ 摘  要

NOVELTY - Preparing phosphorylated carbon nanotube and phosphorylated graphene oxide synergistically modified polymer hybrid proton exchange membrane comprises (a) mixing the carboxylated carbon nano-tube with buffer solution of dopamine hydrochloride, cleaning and drying the separated product to obtain polydopamine-modified carbon nanotubes (DCNT), (b) mixing the graphene oxide with buffer solution of dopamine hydrochloride, cleaning and drying the separated product to obtain polydopamine-modified graphene oxide (DGO), (c) mixing alendronate, DCNT and buffer solution, cleaning and drying the separated product to obtain phosphorylated carbon nanotubes (PCNT), (d) mixing alendronate, DGO and buffer solution, cleaning and drying separated product to obtain phosphorylated oxidized graphene (PGO), (e) ultrasonically processing the PCNT and the PGO, passing film material through hydrogen peroxide solution, acid solution and deionized water treatment to obtain the membrane. USE - The method is useful for preparing a proton exchange membrane which is useful in fuel cell and electrochemical device. ADVANTAGE - The membrane has excellent proton conductivity, and good use stability. DETAILED DESCRIPTION - Preparing phosphorylated carbon nanotube and phosphorylated phosphorylated graphene oxide synergistically modified polymer hybrid proton exchange membrane comprises (a) mixing the carboxylated carbon nano-tube with buffer solution of dopamine hydrochloride with pH value of 7-12, stirring under the condition of 10-80°C for 1-48 hours, then separating, cleaning and drying the separated product to obtain polydopamine-modified carbon nanotubes (DCNT), (b) mixing the graphene oxide with buffer solution of dopamine hydrochloride with pH value of 7-12, stirring at 10-80°C for 1-8 hours, then separating the product, cleaning and drying the separated product to obtain polydopamine-modified graphene oxide (DGO), (c) mixing the alendronate, DCNT obtained in step (a) and buffer solution with pH value of 7-12, stirring under the condition of 10-80°C for 1-48 hours, then separating, cleaning and drying the separated product to obtain phosphorylated carbon nanotubes (PCNT), (d) mixing the alendronate, the DGO obtained in the step (b) and the buffer solution with pH value of 7-12, stirring under the condition of 10-80°C for 1-48 hours, then separating, cleaning and drying the separated product to obtain phosphorylated oxidized graphene (PGO), (e) mixing polymer solution and ultrasonically processing the PCNT obtained in the step (c) and the PGO obtained in the step (d) to obtain the uniformly dispersed casting solution, using the casting solution to form film material, orderly passing the film material through hydrogen peroxide solution, acid solution and deionized water treatment to obtain the phosphorylated carbon nano-tube and phosphorylated graphene oxide synergistically modified polymer hybrid proton exchange membrane. An INDEPENDENT CLAIM is also included for a phosphorylated carbon nanotube and phosphorylated graphene oxide synergistically modified polymer hybrid proton exchange membrane, which is prepared by above method.