• 专利标题:   Conductive electrode filler precursor dispersion has carbon-based conductive particle that is selected from group of graphene nanoplates, carbon nanofibers, carbon nanotubes or combinations.
  • 专利号:   DE102021130384-A1, CN114824264-A, US2022238885-A1
  • 发明人:   KOESTNER R J, LUONG A, HUANG X, LONG A, KESTNER R J
  • 专利权人:   GM GLOBAL TECHNOLOGY OPERATIONS INC, GM GLOBAL TECHNOLOGY OPERATIONS INC
  • 国际专利分类:   H01M004/62, H01B001/04, H01B001/24, H01B013/00, H01M010/0525, H01M004/04
  • 专利详细信息:   DE102021130384-A1 28 Jul 2022 H01M-004/62 202266 Pages: 29 German
  • 申请详细信息:   DE102021130384-A1 DE10130384 19 Nov 2021
  • 优先权号:   US159978

▎ 摘  要

NOVELTY - The dispersion has a carbon-based conductive particle that is selected from the group of graphene nanoplates, carbon nanofibers, carbon nanotubes or combinations. A stabilizing polymer comprises polyvinyl-4-pyridine and solvent. The electrode-filler precursor dispersion is free of syneresis for greater than or equal to about 7 days. The solvent comprises N-methyl-2-pyrrolidone. The carbon-based conductive particle is present at a level of greater than or equal to about 1% to less than or equal to about 15% by weight of the conductive electrode filler precursor dispersion. USE - Conductive electrode filler precursor dispersion. ADVANTAGE - The precursors for making improved electrodes for high performance lithium ion electrochemical cells are provided. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for a method of making the conductive electrode filler precursor dispersion. DESCRIPTION OF DRAWING(S) - The drawing shows a schematic diagram of the conductive electrode filler precursor dispersion. Lithium-ion battery (20) Negative electrode (22) Positive electrode (24) Negative electrode current collector (32) External interruptible circuit (40)