Title:
COMPOSITION COMPRISING LITHIUM-CONTAINING COMPOUND, AND BATTERY DISPOSAL METHOD
Document Type and Number:
WIPO Patent Application WO/2024/080753
Kind Code:
A1
Abstract:
The present invention relates to a lithium compound for valuable metal recovery, and a recovery method therefor, and the recovery method for the lithium compound for valuable metal recovery comprises the steps of: preparing a battery; freezing and forcibly discharging the battery; crushing the battery; and heating the crushed battery, wherein the heating step is carried out at a temperature range of 1,100-1,400°C, the vacuum degree (LogP[atm]) of the heating step has a range of -4 to 0, the lithium compound recovered through the heating step contains impurities, and the impurities can comprise, by wt%, 1.8 wt% or less of Na (excluding 0 wt%), 0.06 wt% or less of K (excluding 0 wt%), 0.62 wt% or less of Ca (0 wt% or less) and 0.47 wt% or less of Mg (excluding 0 wt%).
Inventors:
KIM WANYI (KR)
KIM CHUN (KR)
HAN SANGWOO (KR)
LEE JUSEUNG (KR)
PARK JOONGKIL (KR)
KIM CHUN (KR)
HAN SANGWOO (KR)
LEE JUSEUNG (KR)
PARK JOONGKIL (KR)
Application Number:
PCT/KR2023/015649
Publication Date:
April 18, 2024
Filing Date:
October 11, 2023
Export Citation:
Assignee:
POSCO HOLDINGS INC (KR)
POSCO CO LTD (KR)
POSCO CO LTD (KR)
International Classes:
C01F7/043; B02C23/08; B03C1/02; C01D15/04; C01D15/08; C22B26/12; H01M10/052; H01M10/54
Attorney, Agent or Firm:
JO, Min Kyung et al. (KR)
Download PDF: