• 专利标题:   Preparation of graphene fiber supercapacitors used for e.g. flexible material, involves dissolving graphene oxide material in deionized water, concentrating graphene oxide solution, extruding graphene oxide dispersion, and drying.
  • 专利号:   CN103594251-A
  • 发明人:   GAO C, HUANG T
  • 专利权人:   UNIV ZHEJIANG
  • 国际专利分类:   H01G011/84
  • 专利详细信息:   CN103594251-A 19 Feb 2014 H01G-011/84 201430 Pages: 13 Chinese
  • 申请详细信息:   CN103594251-A CN10551583 10 Nov 2013
  • 优先权号:   CN10551583

▎ 摘  要

NOVELTY - Preparation of graphene fiber supercapacitors involves dissolving graphene oxide material in 1-1000 pts. wt. deionized water, processing in the ultrasonic bath, obtaining graphene oxide solution, concentrating graphene oxide solution, obtaining 10-20 mg/ml oxidized graphene dispersion liquid, extruding the graphene oxide dispersion for spinning nozzle into the coagulating liquid, drying, obtaining graphene oxide fiber, placing graphene oxide fiber in reducing atmosphere, obtaining graphene fiber, fixing graphite fiber on the substrate and naturally drying. USE - Preparation of graphene fiber supercapacitors used for energy storage and flexible material. ADVANTAGE - The graphene fiber supercapacitors are efficiently prepared with excellent toughness and cyclicity, and high specific capacity. DETAILED DESCRIPTION - Preparation of graphene fiber supercapacitors involves dissolving graphene oxide material in 1-1000 pts. wt. deionized water, processing in the ultrasonic bath, obtaining graphene oxide solution, concentrating graphene oxide solution, obtaining 10-20 mg/ml oxidized graphene dispersion liquid, extruding the graphene oxide dispersion for spinning nozzle having diameter of 100-200 microns into the coagulating liquid, standing out fiber and drying, obtaining graphene oxide fiber, placing graphene oxide fiber in reducing atmosphere at 80-95 degrees C, obtaining graphene fiber, fixing graphite fiber on the substrate to maintain distance between graphite fiber, fixing conductive material, wrapping middle coating coated gel electrolyte, and naturally drying.