Title:
PROCESSING METHOD FOR REUSING WASTE BATTERY
Document Type and Number:
WIPO Patent Application WO/2022/211446
Kind Code:
A1
Abstract:
The present invention relates to a processing method for reusing a waste battery, the processing method comprising the steps of: cooling, for a minimum cooling time satisfying formula 1 below, a battery pack comprising, as a unit cell, a battery that includes a plurality of lithium ions, and freezing same; and crushing the frozen battery pack. minimum cooling time = A × (W0.33) (A = 4 × e(-0.02×dT), W = battery weight (Kg), dT= │external cooling temperature - target temperature│, ││ means absolute value)
Inventors:
HAN SANG WOO (KR)
KIM WAN-YI (KR)
YOON SANGHYEON (KR)
CHO HYUNJIN (KR)
JUNG SUNGSUK (KR)
KIM WAN-YI (KR)
YOON SANGHYEON (KR)
CHO HYUNJIN (KR)
JUNG SUNGSUK (KR)
Application Number:
PCT/KR2022/004402
Publication Date:
October 06, 2022
Filing Date:
March 29, 2022
Export Citation:
Assignee:
POSCO (KR)
International Classes:
H01M10/54; B02C23/08; C22B7/00; H01M10/052
Foreign References:
| JP2012195073A | 2012-10-11 | |||
| KR20030024430A | 2003-03-26 | |||
| JPH11167936A | 1999-06-22 | |||
| JP2000106221A | 2000-04-11 | |||
| JP2015092465A | 2015-05-14 |
Attorney, Agent or Firm:
YOU ME PATENT AND LAW FIRM (KR)
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