Title:
SECONDARY BATTERY POUCH HAVING PLURALITY OF POUCHES AND SECONDARY BATTERY INCLUDING SAME
Document Type and Number:
WIPO Patent Application WO/2023/080518
Kind Code:
A1
Abstract:
A secondary battery according to the present invention may comprise: an electrode assembly formed by alternately stacking electrodes and separators; a plurality of pouches surrounding the electrode assembly and sealing the electrode assembly; and a spring part coupled to the outermost pouch among the plurality of pouches and determining the degree of structural rigidity of the outermost pouch. A secondary battery according to the present invention may comprise: an electrode assembly formed by alternately stacking electrodes and separators; a plurality of pouches surrounding the electrode assembly and sealing the electrode assembly; an opening portion formed in one side of the outermost pouch among the plurality of pouches so as to pass through at least a portion of the one side; and a spring part coupled to both ends of the opening portion and determining the degree of structural rigidity of the outermost pouch.
Inventors:
KANG GYUNG SOO (KR)
LEE SANG MYEON (KR)
CHOI YONG SU (KR)
YU HYUNG KYUN (KR)
LEE SANG MYEON (KR)
CHOI YONG SU (KR)
YU HYUNG KYUN (KR)
Application Number:
PCT/KR2022/016345
Publication Date:
May 11, 2023
Filing Date:
October 25, 2022
Export Citation:
Assignee:
LG ENERGY SOLUTION LTD (KR)
International Classes:
H01M50/129; H01M50/105; H01M50/131
Foreign References:
| KR20190004641A | 2019-01-14 | |||
| JP2016181475A | 2016-10-13 | |||
| KR20140133218A | 2014-11-19 | |||
| KR20210126216A | 2021-10-20 | |||
| JP2007035469A | 2007-02-08 | |||
| KR20210149043A | 2021-12-08 |
Attorney, Agent or Firm:
BAE, KIM & LEE IP (KR)
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