Title:
SECONDARY BATTERY WITH IMPROVED SAFETY
Document Type and Number:
WIPO Patent Application WO/2023/200148
Kind Code:
A1
Abstract:
The disclosed invention relates to a secondary battery comprising an electrode assembly in which a plurality of unit cells are stacked. In one embodiment, electrode tabs of each unit cell, extended from the electrode assembly, are gathered as one so as to be electrically connected to an electrode terminal of the secondary battery, and the electrode tabs of each unit cell include an extra-length portion corresponding to swelling of the electrode assembly.
Inventors:
KO YOUNG JUN (KR)
SUNG JOO HWAN (KR)
JUNG KYUNG HWAN (KR)
SUNG JOO HWAN (KR)
JUNG KYUNG HWAN (KR)
Application Number:
PCT/KR2023/004093
Publication Date:
October 19, 2023
Filing Date:
March 28, 2023
Export Citation:
Assignee:
LG ENERGY SOLUTION LTD (KR)
International Classes:
H01M50/533; H01M50/54; H01M50/586
Foreign References:
| KR20190094668A | 2019-08-14 | |||
| KR20180091324A | 2018-08-16 | |||
| KR20150114277A | 2015-10-12 | |||
| KR20160131266A | 2016-11-16 | |||
| JP2018181447A | 2018-11-15 | |||
| KR2023004093W | 2023-03-28 | |||
| KR20220045170A | 2022-04-12 | |||
| KR20230039585A | 2023-03-21 |
Attorney, Agent or Firm:
KIM, Hong Gyun (KR)
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