• 专利标题:   Method for preparing graphite alkenyl composite material used as lithium-sulfur battery anode material, involves reducing graphene oxide into graphene and loading sulfur into liquid followed by performing solvent thermal process and drying.
  • 专利号:   CN103390752-A, CN103390752-B
  • 发明人:   KANG F, LI B, LV W, TAO Y, WEI W, YANG Q, ZHANG C, ZHENG X
  • 专利权人:   UNIV TSINGHUA SHENZHEN GRADUATE SCHOOL
  • 国际专利分类:   H01M004/583
  • 专利详细信息:   CN103390752-A 13 Nov 2013 H01M-004/583 201408 Chinese
  • 申请详细信息:   CN103390752-A CN10281899 05 Jul 2013
  • 优先权号:   CN10281899

▎ 摘  要

NOVELTY - A graphite alkenyl composite material preparation method involves introducing hydrogen sulfide gas into a graphene oxide dispersion liquid, reducing graphene oxide into graphene, loading sulfur into obtained graphene dispersion liquid, subjecting the sulfur loaded liquid to a solvent thermal process to obtain a graphene gel and drying the gel to obtain the finished product. USE - Method for preparing a graphite alkenyl composite material that is utilized as an anode material of a lithium-sulfur battery (claimed). ADVANTAGE - The method enables preparing the graphite alkenyl composite material in a simple manner with better sulfur removing effect, solving the problem of industrial waste gas such as hydrogen sulfide, and improving the charging and discharging performance of the battery. DETAILED DESCRIPTION - INDEPENDENT CLAIMS are also included for the following: (1) a graphite alkenyl composite material comprising 5-95 mass% three-dimensional porous graphene macroscopic body and compounds on the three-dimensional porous graphene macroscopic body comprising 5-95 mass% elemental sulfur (2) a lithium-sulfur battery. DESCRIPTION OF DRAWING(S) - The drawing shows a flow diagram illustrating a method for preparing a graphite alkenyl composite material. '(Drawing includes non-English language text)'