• 专利标题:   Graphene carbon nanotube anode sheet comprises conductive coating coated on the current collector.
  • 专利号:   CN115275101-A
  • 发明人:   FENG C, ZHANG L, XIAO S, WANG X, WANG Y
  • 专利权人:   SHANDONG YUHUANG NEW ENERGY TECHNOLOGY
  • 国际专利分类:   H01M010/0525, H01M004/131, H01M004/1391, H01M004/36, H01M004/485, H01M004/505, H01M004/525, H01M004/62
  • 专利详细信息:   CN115275101-A 01 Nov 2022 H01M-004/131 202301 Chinese
  • 申请详细信息:   CN115275101-A CN11031919 26 Aug 2022
  • 优先权号:   CN11031919

▎ 摘  要

NOVELTY - Graphene carbon nanotube anode sheet comprises a current collector and a conductive coating coated on the current collector. The conductive coating is obtained by coating and curing the conductive paste. The conductive paste is active material: organic bentonite: polyacrylic acid: carboxymethyl cellulose: conductive agent with a mass ratio of 70-97.5%: 0.1-5%: 0.5-15%: 0.5-10%: 1-5%, where the conductive agent is carbon nanotubes: graphene: super conductive carbon black in a mass ratio of 0.5-1.5: 0.5-1.5: 1-2. The particle diameter of graphene is 50-400 nm, and the tube diameter of carbon nanotube is 5-10 nm. USE - Graphene carbon nanotube anode sheet. ADVANTAGE - The sheet has good conductivity, good corrosion resistance property and bonding property. DETAILED DESCRIPTION - Graphene carbon nanotube anode sheet comprises a current collector and a conductive coating coated on the current collector. The conductive coating is obtained by coating and curing the conductive paste. The conductive paste is active material: organic bentonite: polyacrylic acid: carboxymethyl cellulose: conductive agent with a mass ratio of 70-97.5%: 0.1-5%: 0.5-15%: 0.5-10%: 1-5%, where the conductive agent is carbon nanotubes: graphene: super conductive carbon black in a mass ratio of 0.5-1.5: 0.5-1.5: 1-2. The particle diameter of graphene is 50-400 nm, and the tube diameter of carbon nanotube is 5-10 nm. The active material is composed of LiNi0.8Co0.15Al0.05O2and LiMn2O4in a mass ratio of 1.7-8:1. The thickness of the conductive coating is 0.1-4 μm. An INDEPENDENT CLAIM is included for preparing the graphene carbon nanotube anode sheet.