• 专利标题:   Carbon nano-tube graphene conductive positive electrode, comprises active substances, organic bentonite, polyacrylic acid and carboxymethyl cellulose, and conductive agent composed of carbon nano tube and graphene super conductive carbon black.
  • 专利号:   CN115312695-A
  • 发明人:   FENG C, ZHANG L, WANG Y, XIAO S
  • 专利权人:   SHANDONG YUHUANG NEW ENERGY TECHNOLOGY
  • 国际专利分类:   H01M004/131, H01M004/1391, H01M004/62
  • 专利详细信息:   CN115312695-A 08 Nov 2022 H01M-004/131 202303 Chinese
  • 申请详细信息:   CN115312695-A CN11037701 26 Aug 2022
  • 优先权号:   CN11037701

▎ 摘  要

NOVELTY - Carbon nanotubes graphene conductive positive electrode, comprises 70-97.5 wt.% organic bentonite, 0.1-5 wt.% polyacrylic acid and carboxymethyl cellulose in mass ratio of 1.7-8:1.1.5, where particle diameter of graphite alkene is 50-400 nm and particle size of carbon nanotube is 5-10 nm, active material is 0.0.8-0.15Al 0.05O 2 and lithium manganese oxide (LiMn2O4) in a weight ratio of (1-8):1.7. USE - Graphene carbon nano-tube composite conductive positive electrode for use as lithium ion battery conductive agent for battery. ADVANTAGE - The graphene carbon nano-tube composite conductive positive electrode has good dispersibility, and stable storage time is long, normal temperature, and storage time can be ensured more than 90 days. The conductive agent reduces the internal resistance. The slurry component, granularity and organic bentonite, polyacrylic acid and carboxymethyl cellulose, the stability of the slurry is obviously improved, it is good for the uniform controllability of the pole piece load amount and improves the electrochemical performance. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for preparation graphene of carbon nano-tube composite conductive positive electrode.