• 专利标题:   Waste lithium-ion battery recycling method based on selective enhanced crushing method, involves extracting metal and its maintenance by supercritical fluid/subcritical fluid, and using supercritical fluid/subcritical fluid extraction in situ preparation graphene from anode material.
  • 专利号:   CN115566303-A
  • 发明人:   SHI H, LU Y
  • 专利权人:   SUZHOU SAISI AIBO ENVIRONMENTAL PROTECTION TECHNOLOGY CO LTD
  • 国际专利分类:   B09B101/16, B09B003/35, B09B003/70, B09B003/80, C01B032/19, C22B001/00, C22B021/00, C22B023/00, C22B026/12, C22B003/16, C22B047/00, C22B007/00, H01M010/54
  • 专利详细信息:   CN115566303-A 03 Jan 2023 H01M-010/54 202312 Chinese
  • 申请详细信息:   CN115566303-A CN10929112 03 Aug 2022
  • 优先权号:   CN10929112

▎ 摘  要

NOVELTY - The method comprises using analytical test technology to analyze and characterize chemical composition, granularity, micro-topography, and phase of crushed particles at each level from micro-scale, obtaining influence of crusher, microwave, water medium, impact speed, and force mode, determining corresponding relationship between each influence factor and particle characteristic, establishing optimal selective enhanced crushing condition, recovering and separating organic matter to avoid secondary pollutants caused by high-temperature pyrolysis by organic solvent extraction and molecular distillation, performing metal leaching by deep eutectic solvent, extracting metal and its maintenance by supercritical fluid/subcritical fluid, and using supercritical fluid/subcritical fluid extraction in situ preparation graphene from anode material. USE - Waste lithium-ion battery recycling method based on selective enhanced crushing method. ADVANTAGE - The method is oriented to the recycling strategy of all components of waste batteries, that is, the integrity recycling and comprehensive utilization of chemical resources of various material components in batteries. DESCRIPTION OF DRAWING(S) - The drawing shows a flow chart of selective enhanced crushing of waste lithium-ion batteries (Drawing includes non-English language text).