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Title:
METHOD FOR DISASSEMBLING AND SEPARATING WASTE LITHIUM-ION BATTERY
Document Type and Number:
WIPO Patent Application WO/2022/068916
Kind Code:
A1
Abstract:
A method for disassembling and separating a waste lithium-ion battery, comprising: directing tearing a battery pack or a cell of the waste lithium-ion battery with water and electricity without discharging after a housing is removed; then performing first wet screening; directly performing wet degumming without drying after an electrolyte is recovered and iron is removed by magnetic separation; then performing first water-carrying pulverization, third wet screening, and second water-carrying pulverization after second wet screening is performed; and finally, performing jigging separation to obtain copper powder, aluminum powder, anode and cathode materials, plastic powder, and diaphragm pulp.

Inventors:
LIU XUNBING (CN)
OUYANG JIANJUN (CN)
ZHANG CHAOWEN (CN)
WANG ZI (CN)
ZHOU QUNCHENG (CN)
CHEN ZAN (CN)
WU SHANMU (CN)
DONG XIONGWU (CN)
LIU CHANG (CN)
LIU XIJUAN (CN)
Application Number:
PCT/CN2021/122034
Publication Date:
April 07, 2022
Filing Date:
September 30, 2021
Export Citation:
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Assignee:
HUNAN JIN YUAN NEW MAT JOINT STOCK COMPANY LIMITED (CN)
International Classes:
B09B3/00; B09B5/00; H01M10/54
Foreign References:
CN112246835A2021-01-22
CN108461855A2018-08-28
CN210079631U2020-02-18
CN110120560A2019-08-13
CN102637921A2012-08-15
CN105789724A2016-07-20
CN106391267A2017-02-15
CN111085334A2020-05-01
CN201510823758A2015-11-24
CN202010294915A2020-04-15
Attorney, Agent or Firm:
ANHUA MEI SHAN PATENT BUSINESS OFFICE, ANHUA COUNTY (CN)
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