• 专利标题:   Hybrid graphene composite particles for lithium-ion battery, comprise graphene composite comprising mixed structure of primary microparticles bound to surface or inside of multilayer graphene, and secondary microparticles surrounded by graphene composite.
  • 专利号:   KR2545573-B1
  • 发明人:   SHIM J S
  • 专利权人:   BIO GENE SYS INC
  • 国际专利分类:   C01B032/194, C01B032/21, C01B033/02, H01M004/02, H01M004/36, H01M004/583
  • 专利详细信息:   KR2545573-B1 21 Jun 2023 C01B-032/194 202353 Pages: 17
  • 申请详细信息:   KR2545573-B1 KR011559 30 Jan 2023
  • 优先权号:   KR122801

▎ 摘  要

NOVELTY - Hybrid graphene composite particles comprise a graphene composite comprising a mixed structure of several primary microparticles and multilayer graphene and secondary microparticles surrounded by the graphene composite. Graphene is coated on the surface of the primary or secondary microparticles. The primary microparticles are bound to the surface or inside of the multilayer graphene, and a portion of the empty space between the primary microparticles is filled with the graphene to form an interconnected structure. USE - Hybrid graphene composite particles used for negative electrode or positive electrode for lithium-ion battery for portable mobile devices such as smart phones and netbooks. ADVANTAGE - The hybrid graphene composite particles form a stable graphene composite structure, significantly improve charge/discharge speed and efficiency with high electroconductivity, and maximize the capacity that lithium ions can combine to realize lithium-ion battery with both performance and stability.