Title:
SECONDARY BATTERY CASE, SECONDARY BATTERY INCLUDING SECONDARY BATTERY CASE, AND METHOD FOR MANUFACTURING SECONDARY BATTERY CASE
Document Type and Number:
WIPO Patent Application WO/2021/071232
Kind Code:
A1
Abstract:
Disclosed are a secondary battery case, a secondary battery including the secondary battery case, and a method for manufacturing the secondary battery case. According to the present invention, a gas discharging device formed in the secondary battery case comprises a recessed portion that is recessed inward, and a cut region is cut and formed in the recessed portion. A path may be formed for discharging a gas through the cut region of the recessed portion when the pressure in an empty space inside the body part exceeds the predetermined value.
Inventors:
KIM BYEONG KYU (KR)
KIM JUNG JIN (KR)
KWON TAE HYUN (KR)
KIM JUNG JIN (KR)
KWON TAE HYUN (KR)
Application Number:
PCT/KR2020/013635
Publication Date:
April 15, 2021
Filing Date:
October 07, 2020
Export Citation:
Assignee:
LG CHEMICAL LTD (KR)
International Classes:
H01M2/12
Foreign References:
| JP2005129487A | 2005-05-19 | |||
| KR20010038812A | 2001-05-15 | |||
| JP2011520222A | 2011-07-14 | |||
| JP2009146812A | 2009-07-02 | |||
| JP2001307707A | 2001-11-02 |
Other References:
See also references of EP 4009406A4
Attorney, Agent or Firm:
BAE, KIM & LEE IP (KR)
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