• 专利标题:   Antimony-doped cobalt disulfide loaded graphene useful e.g. as negative electrode material, prepared by adding graphene hydrate to cobalt salt and vulcanizing agent, pouring into antimony salt solvent, processing and freeze-drying product.
  • 专利号:   CN110911684-A
  • 发明人:   MIN Y, LI Y, LIAO S, LIU Y, HUANG X, RAO Q
  • 专利权人:   UNIV GUANGDONG TECHNOLOGY, DONGGUAN SOUTH CHINA DESIGN INNOVATION
  • 国际专利分类:   H01M010/0525, H01M004/58, H01M004/62
  • 专利详细信息:   CN110911684-A 24 Mar 2020 H01M-004/62 202031 Pages: 7 Chinese
  • 申请详细信息:   CN110911684-A CN11157502 22 Nov 2019
  • 优先权号:   CN11157502

▎ 摘  要

NOVELTY - Antimony-doped cobalt disulfide loaded graphene is prepared by adding graphene hydrate to mixed aqueous solution of soluble cobalt salt and vulcanizing agent, stirring, pouring into an organic solvent of antimony salt, ultrasonically processing, then reacting the obtained antimony-doped mixed solution at 100-300 degrees C, cooling with a furnace, performing suction filtration and freeze-drying to obtain product. USE - The antimony-doped cobalt disulfide loaded graphene is useful as negative electrode material in field of lithium ion batteries (claimed). ADVANTAGE - The antimony-doped cobalt disulfide-loaded graphene has regular columnar microstructure, and has excellent charge-discharge cycle performance and electrical conductivity, high rate performance, high stability and high adhesion to copper foil. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for method for preparing an antimony-doped cobalt disulfide loaded graphene, which involves dissolving the soluble cobalt salt and the vulcanizing agent in deionized water to obtain solution A and solution B, adding solution B to solution A, stirring to obtain solution C, dripping graphene hydrate into solution C, stirring well to obtain solution D, dissolving the antimony salt in an organic solvent to obtain solution E, adding the solution D to solution E, stirring to obtain solution F, ultrasonically processing, performing hydrothermal reaction at 100-300 degrees C, cooling in the furnace, performing suction filtration to obtain solid G and freeze-drying the solid G to obtain product.