• 专利标题:   Zinc sulfide/graphene composite material useful in cathode material for lithium ion battery or sodium ion battery, comprises zinc sulfide mesoporous spheres and graphene.
  • 专利号:   CN108232142-A
  • 发明人:   HU L, WEN Z
  • 专利权人:   FUJIAN MATERIAL STRUCTURE INST
  • 国际专利分类:   H01M004/36, H01M004/583, H01M004/62, H01M010/0525, C01B032/182
  • 专利详细信息:   CN108232142-A 29 Jun 2018 H01M-004/36 201848 Pages: 13 Chinese
  • 申请详细信息:   CN108232142-A CN11402881 22 Dec 2017
  • 优先权号:   CN11402881

▎ 摘  要

NOVELTY - Zinc sulfide/graphene composite material comprises zinc sulfide mesoporous spheres and graphene, where zinc sulfide mesoporous sphere is coated with graphene. USE - The composite material is useful in cathode material for lithium ion battery or sodium ion battery (all claimed). ADVANTAGE - The composite material has improved reaction rate and electrochemical performance. DETAILED DESCRIPTION - INDEPENDENT CLAIMS are also included for: (1) preparing zinc sulfide/graphene composite material comprising (i) preparing zinc sulfide mesoporous sphere, (ii) freeze-treating mixture containing zinc sulfide mesoporous sphere and graphene oxide and drying to obtain graphene oxide-coated zinc sulfide mesoporous sphere, and (iii) subjecting graphene oxide-coated zinc sulfide mesoporous sphere to reduction treatment at 350-450 degrees C in atmosphere containing hydrogen to obtain zinc sulfide/graphene composite material; (2) cathode material comprising zinc sulfide/graphene composite material; and (3) lithium ion battery or sodium ion battery comprising cathode material.