Title:
METHOD USING SOLVENT EXTRACTION FOR SELECTIVE RECOVERY OF VALUABLE METAL FROM LITHIUM SECONDARY BATTERY WASTE MATERIAL
Document Type and Number:
WIPO Patent Application WO/2023/182561
Kind Code:
A1
Abstract:
The present invention relates to a method that allows, from lithium secondary battery waste material powder, removal of impurities, such as iron and aluminum, by means of a solvent extraction technique and the like, and recovery of valuable metals, such as highly concentrated manganese, cobalt, nickel, and lithium, by means of selective recovery.
Inventors:
KIM MYONG JUN (KR)
YANG WON MO (KR)
SEO EUN AE (KR)
YANG WON MO (KR)
SEO EUN AE (KR)
Application Number:
PCT/KR2022/004965
Publication Date:
September 28, 2023
Filing Date:
April 06, 2022
Export Citation:
Assignee:
UNIV NAT CHONNAM IND FOUND (KR)
International Classes:
C22B3/08; C22B3/00; C22B26/12; C22B47/00
Foreign References:
| KR20190127864A | 2019-11-13 | |||
| KR20210156539A | 2021-12-27 | |||
| KR20210075502A | 2021-06-23 | |||
| KR20120037736A | 2012-04-20 | |||
| KR20210120669A | 2021-10-07 |
Attorney, Agent or Firm:
IAM PATENT & LAW FIRM (KR)
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