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  • 专利标题:   Preparation of lignin-based activated carbon fiber used for supercapacitor electrode comprises adding nano-manganese dioxide in sodium alginate solution, adding graphene oxide, stirring, adding purified lignin, melt spinning, and heating.
  • 专利号:   CN107604480-A
  • 发明人:   WANG S, TANG J, HUANG L, WANG Y, WANG W, LI H
  • 专利权人:   UNIV QINGDAO
  • 国际专利分类:   D01F001/10, D01F009/17, H01G011/40
  • 专利详细信息:   CN107604480-A 19 Jan 2018 D01F-009/17 201815 Pages: 5 Chinese
  • 申请详细信息:   CN107604480-A CN11017105 26 Oct 2017
  • 优先权号:   CN11017105

▎ 摘　　要

NOVELTY - Preparation of lignin-based activated carbon fiber comprises adding nano-manganese dioxide in sodium alginate water solution, adding graphene oxide, ultrasonically stirring, adjusting pH value to 10-11, adding purified lignin, vacuum evaporating, and melt spinning at 200-250 degrees C; and high temperature heating to 280-300 degrees C for 1-6 hours and to 1000-2000 degrees C for 0.5-12 hours. USE - Method for preparing lignin-based activated carbon fiber used for supercapacitor electrode. ADVANTAGE - The activated carbon fiber has low production cost and high energy density.