• 专利标题:   Preparing carbide/carbon nanotube/graphene composite material useful for preparing battery anode material, comprises mixing graphene and carbon nanotubes, stirring, dispersing, mixing with inorganic metal salt, stirring and firing.
  • 专利号:   CN108258209-A
  • 发明人:   YANG Z, DING X, NIE H, RUAN C, GUO Z, LAI Y, CHAN D, HUANG S
  • 专利权人:   UNIV WENZHOU
  • 国际专利分类:   H01M004/36, H01M004/38, H01M004/587, H01M004/62, H01M010/052, H01M010/058, B82Y030/00
  • 专利详细信息:   CN108258209-A 06 Jul 2018 H01M-004/36 201855 Pages: 9 Chinese
  • 申请详细信息:   CN108258209-A CN11448918 27 Dec 2017
  • 优先权号:   CN11448918

▎ 摘  要

NOVELTY - Preparing carbide/carbon nanotube/graphene composite material comprises (i) mixing graphene and carbon nanotubes in a mass ratio of 1:1-5, adding absolute ethanol, stirring, ultrasonically dispersing to obtain carbon nanotube/graphene mixture; (ii) mixing the inorganic metal salt and the carbon nanotube/graphene mixture in a mass ratio of 1:1-5, adding absolute ethanol, stirring and ultrasonically dispersing and placing in a graphite furnace; and (iii) firing in a graphitization furnace at 1000-2800 degrees C for 2-4 hours. USE - The material is useful for preparing battery anode material. ADVANTAGE - The method is simple, and suitable for large scale production, and inhibits the shuttle effect and improves the cycle stability of the battery. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is also included for preparing battery anode material using carbide/carbon nanotube/graphene-sulfur composite material, comprising mixing the carbide/carbon nanotube/graphene-sulfur composite material with a conductive additive and binder in a mass ratio of 1:0.05-0.25:0.05-0.15, adding N-methylpyrrolidone, stirring, ultrasonically dispersing, controlling the viscosity at 1000-10000 cps, obtaining the slurry, coating the slurry uniformly on the current collector aluminum foil with thickness of 150-400 mm, transferring the aluminum foil into oven at 40-60 degrees C, drying and obtaining porous carbon nanotube-supported sulfur battery anode material.