• 专利标题:   Sulfur-activated carbon/graphene composite material used in lithium-sulfur battery, consists of sulfur supported on activated carbon/graphene composites, where sulfur is adsorbed or bonded to graphene and/or activated carbon.
  • 专利号:   CN106532026-A
  • 发明人:   WANG J, LIU Y, ZHANG H
  • 专利权人:   INST COAL CHEM CHINESE ACAD SCI
  • 国际专利分类:   C01B032/182, H01M010/052, H01M004/36, H01M004/38, H01M004/583, H01M004/62
  • 专利详细信息:   CN106532026-A 22 Mar 2017 H01M-004/38 201734 Pages: 41 Chinese
  • 申请详细信息:   CN106532026-A CN11179087 19 Dec 2016
  • 优先权号:   CN11179087

▎ 摘  要

NOVELTY - A sulfur-activated carbon/graphene composite material consists of sulfur supported on activated carbon/graphene composites or within the material. The sulfur-activated carbon/graphene composite material has 10-90 %mass sulfur and 10-90 %mass activated carbon/graphene composite. The sulfur is adsorbed or bonded to graphene and/or activated carbon in the form of atomic clusters. USE - Sulfur-activated carbon/graphene composite material used in lithium-sulfur battery (claimed). ADVANTAGE - The sulfur-activated carbon/graphene composite material has high conductivity and specific capacity. The lithium-sulfur battery using sulfur-activated carbon/graphene composite material is lightweight. DETAILED DESCRIPTION - INDEPENDENT CLAIMS are included for the following: (1) preparation of sulfur-activated carbon/graphene composite material; and (2) use of sulfur-activated carbon/graphene composite material in lithium-sulfur battery. The lithium-sulfur battery contains sulfur-activated carbon/graphene composite material as cathode material, and graphene/lithium or metal lithium as negative electrode, and has Coulomb efficiency of 99% or more.