• 专利标题:   Composite material used in lithium ion capacitor, comprises porous graphene which is coated on surface of sheet graphene.
  • 专利号:   CN114477155-A
  • 发明人:   LIU F, WU Z
  • 专利权人:   CAS DALIAN CHEM PHYSICAL INST
  • 国际专利分类:   C01B032/194, C01B032/348, H01G011/06, H01G011/24, H01G011/30, H01G011/36, H01G011/50, H01G011/86
  • 专利详细信息:   CN114477155-A 13 May 2022 C01B-032/194 202285 Chinese
  • 申请详细信息:   CN114477155-A CN11162539 27 Oct 2020
  • 优先权号:   CN11162539

▎ 摘  要

NOVELTY - The composite material comprises a sheet graphene and porous graphene. The porous graphene is coated on the surface of the sheet graphene. USE - Composite material used in field of lithium ion capacitor (claimed). ADVANTAGE - The porous graphene sheet has high specific capacity, excellent multiplying power performance and good cycle stability. DETAILED DESCRIPTION - INDEPENDENT CLAIMS are included for: (1) preparation method of the composite material; (2) electrode comprising active material, conductive agent bonding agent and current collector; (3) preparation of the electrode; and (4) semi-battery.