US 12,438,211 B2
Electrolyte extraction system and method
Daeki Lee, Daejeon (KR); Rin Jang, Daejeon (KR); and Yeu Young Youn, Daejeon (KR)
Assigned to LG ENERGY SOLUTIONS LTD., Seoul (KR)
Appl. No. 18/282,981
Filed by LG ENERGY SOLUTION, LTD., Seoul (KR)
PCT Filed Jul. 26, 2022, PCT No. PCT/KR2022/010952
§ 371(c)(1), (2) Date Sep. 19, 2023,
PCT Pub. No. WO2023/008873, PCT Pub. Date Feb. 2, 2023.
Claims priority of application No. 10-2021-0100283 (KR), filed on Jul. 30, 2021.
Prior Publication US 2024/0170750 A1, May 23, 2024
Int. Cl. H01M 10/54 (2006.01); B01D 11/02 (2006.01); B65G 15/30 (2006.01)
CPC H01M 10/54 (2013.01) [B01D 11/0288 (2013.01); B65G 15/30 (2013.01)] 10 Claims
OG exemplary drawing
 
1. An electrolyte extraction system comprising:
a first transfer unit transferring a lower jig having an upper surface on which a battery is mounted;
a loading unit accommodating the lower jig together with the battery in a freezing tank filled with liquid nitrogen;
a cutting unit cutting the battery inside the freezing tank;
an unloading unit taking out the lower jig together with the battery from the freezing tank and accommodating the same in an electrolyte extraction tank; and
a second transfer unit transferring the electrolyte extraction tank in which the battery is accommodated.