Title:
METHOD FOR RECYCLING THE CRITICAL METALS FROM SPENT LITHIUM- ION BATTERIES
Document Type and Number:
WIPO Patent Application WO/2024/059051
Kind Code:
A3
Abstract:
A hydrophobic deep eutectic solvent includes a combination of at least two of (a) a hydrophobic component, (b) an acidic component, and (c) a reducing agent. The solvent is useful in a method of recovering critical metals from lithium-ion batteries. That method includes steps of: shredding the lithium-ion batteries to separate metal container and shell components from a black mass including graphite, copper, cathode, anode and electrolyte battery materials, leaching the black mass with a hydrophobic deep eutectic solvent to extract critical metals, including lithium, cobalt, nickel and manganese, and generate a pregnant hydrophobic deep eutectic solvent, and recovering the critical metals from the pregnant hydrophobic deep eutectic solvent.
Inventors:
SHI JIAN (US)
ZHANG YUXUAN (US)
ULLAH AHAMED (US)
SHAO QING (US)
GAO XIN (US)
ZHANG YUXUAN (US)
ULLAH AHAMED (US)
SHAO QING (US)
GAO XIN (US)
Application Number:
PCT/US2023/032508
Publication Date:
April 18, 2024
Filing Date:
September 12, 2023
Export Citation:
Assignee:
UNIV KENTUCKY RES FOUND (US)
International Classes:
B09B3/80; C22B26/10; C22B26/12; H01M10/54; C22B7/00
Attorney, Agent or Firm:
SCHICKLI, Warren et al. (US)
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