Title:
METHOD FOR ACTIVATING LITHIUM SECONDARY BATTERY
Document Type and Number:
WIPO Patent Application WO/2024/043636
Kind Code:
A1
Abstract:
A method for activating a lithium secondary battery, according to the present invention, comprises (a) the process of preparing a preliminary lithium secondary battery which has an electrode assembly stored in a battery case together with an electrolyte solution, the electrode assembly comprising a positive electrode, a negative electrode, and a separator (b) an initial charging process of charging the preliminary lithium secondary battery until a predetermined voltage is reached (c) a degassing process of removing the gas generated inside the preliminary lithium secondary battery during the initial charging process and sealing same, and (d) an aging process of aging the preliminary lithium secondary battery, wherein the processes of (a) to (d) are conducted sequentially.
Inventors:
LEE HAN JIN (KR)
YEO CHANG SIN (KR)
CHOI YOUNG SANG (KR)
JEONG YEON WOO (KR)
HAM SEOK WON (KR)
JANG MIN YOUNG (KR)
YEO CHANG SIN (KR)
CHOI YOUNG SANG (KR)
JEONG YEON WOO (KR)
HAM SEOK WON (KR)
JANG MIN YOUNG (KR)
Application Number:
PCT/KR2023/012325
Publication Date:
February 29, 2024
Filing Date:
August 21, 2023
Export Citation:
Assignee:
LG ENERGY SOLUTION LTD (KR)
International Classes:
H01M10/058; H01M4/04; H01M10/052; H01M10/0583; H01M10/44
Foreign References:
| KR101692795B1 | 2017-01-05 | |||
| KR20210074908A | 2021-06-22 | |||
| KR101629482B1 | 2016-06-10 | |||
| JP6332513B2 | 2018-05-30 | |||
| JP2010021104A | 2010-01-28 |
Attorney, Agent or Firm:
KIM, Hong Gyun (KR)
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