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Title:
METHOD FOR REGENERATING LITHIUM PRECURSOR
Document Type and Number:
WIPO Patent Application WO/2022/197027
Kind Code:
A1
Abstract:
In a method for regenerating a lithium precursor, a positive electrode active material mixture including lithium composite oxide particles is prepared. The positive electrode active material mixture is agglomerated to prepare active material powder having a unimodal particle size distribution. A preliminary precursor mixture is prepared by reducing the active material powder. A lithium precursor is recovered from the preliminary precursor mixture. Accordingly, the recovery efficiency of the lithium precursor can be improved.

Inventors:
SUNG MIN JI (KR)
SON SUNG REAL (KR)
HONG SUK JOON (KR)
KIM JI MIN (KR)
KIM HYEON JUNG (KR)
SEO YOUNG BIN (KR)
Application Number:
PCT/KR2022/003513
Publication Date:
September 22, 2022
Filing Date:
March 14, 2022
Export Citation:
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Assignee:
SK INNOVATION CO LTD (KR)
International Classes:
C22B26/12; C22B7/00; H01M10/54
Foreign References:
KR101897134B12018-09-10
KR102086090B12020-03-06
KR102020238B12019-09-10
CN111996377A2020-11-27
JP2019130474A2019-08-08
Attorney, Agent or Firm:
LEECHAE INTELLECTUAL PROPERTY (KR)
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