Title:
METHOD FOR PREPARING PRETREATED PRODUCT FOR RECOVERING VALUABLE METALS OF LITHIUM SECONDARY BATTERY
Document Type and Number:
WIPO Patent Application WO/2022/191593
Kind Code:
A1
Abstract:
A method for preparing a pretreated product for recovering valuable metals of a lithium secondary battery comprises the steps of: preparing a cathode active material mixture from a cathode of a lithium secondary battery; drying or grinding the cathode active material mixture; and classifying the dried or ground cathode active material mixture so that the average diameter (D50) thereof becomes 400 μm or less. Flowability can be increased by decreasing the average diameter before reduction.
Inventors:
KIM HYEON JUNG (KR)
SON SUNG REAL (KR)
KIM JI MIN (KR)
HA HYEON BAE (KR)
SON SUNG REAL (KR)
KIM JI MIN (KR)
HA HYEON BAE (KR)
Application Number:
PCT/KR2022/003288
Publication Date:
September 15, 2022
Filing Date:
March 08, 2022
Export Citation:
Assignee:
SK INNOVATION CO LTD (KR)
International Classes:
H01M10/54; B02C23/08; C22B7/00
Foreign References:
| JP2014194873A | 2014-10-09 | |||
| KR20110116934A | 2011-10-26 | |||
| KR102020238B1 | 2019-09-10 | |||
| JP5847742B2 | 2016-01-27 | |||
| KR20190025620A | 2019-03-11 |
Attorney, Agent or Firm:
LEECHAE INTELLECTUAL PROPERTY (KR)
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