Title:
SECONDARY BATTERY AND REPAIR METHOD THEREFOR
Document Type and Number:
WIPO Patent Application WO/2021/235717
Kind Code:
A1
Abstract:
A secondary battery repair method, according to an embodiment of the present invention, for solving the problem comprises steps in which: cracks are formed on the outside of a battery case of a pouch type secondary battery; a metal solution is locally applied to the cracks; and a coated part is formed by drying the metal solution.
Inventors:
HWANG WON PILL (KR)
LEE SANG WOO (KR)
JUNG SU TAEK (KR)
BAE SANG HO (KR)
CHOI MIN CHEOL (KR)
KIM JIN GON (KR)
LEE YONG JUN (KR)
LEE SANG WOO (KR)
JUNG SU TAEK (KR)
BAE SANG HO (KR)
CHOI MIN CHEOL (KR)
KIM JIN GON (KR)
LEE YONG JUN (KR)
Application Number:
PCT/KR2021/005269
Publication Date:
November 25, 2021
Filing Date:
April 26, 2021
Export Citation:
Assignee:
LG ENERGY SOLUTION LTD (KR)
International Classes:
H01M50/124; B05D5/00; B32B15/088; B32B15/20; C23C24/04; H01M50/116
Foreign References:
| KR20130005886A | 2013-01-16 | |||
| KR101421532B1 | 2014-07-22 | |||
| US20110033728A1 | 2011-02-10 | |||
| JP2015507828A | 2015-03-12 | |||
| KR20150113141A | 2015-10-07 | |||
| JP2009193729A | 2009-08-27 |
Attorney, Agent or Firm:
BAE, KIM & LEE IP (KR)
Download PDF:
Previous Patent: BATTERY PACK HAVING COOLING UNIT ON OUTSIDE OF CASE
Next Patent: SYSTEM AND METHOD FOR ULTRASONIC INSPECTION
Next Patent: SYSTEM AND METHOD FOR ULTRASONIC INSPECTION