Title:
BATTERY CELL AND BONDING APPARATUS FOR MANUFACTURING SAME
Document Type and Number:
WIPO Patent Application WO/2024/071875
Kind Code:
A1
Abstract:
A battery cell according to an embodiment of the present invention comprises: an electrode assembly comprising a plurality of electrodes stacked with separators interposed therebetween; and a battery case accommodating the electrode assembly, wherein the electrode assembly comprises a plurality of electrode tabs extending respectively from the plurality of electrodes and comprising an electrode tab bundle portion formed by coupling tabs of a same polarity, and a pattern portion on at least one surface of the electrode tab bundle portion. The pattern portion comprises a plurality of sub-patterns which are arranged in rows along the transverse direction and longitudinal direction of the electrode tabs, and the sub-pattern has a concave shape in the height direction of the electrode tab bundle portion and corners of the pattern portion respectively have chamfered portions.
Inventors:
SON GILSANG (KR)
KONG JINHAK (KR)
PARK WAN GEUN (KR)
LEE YONG TAE (KR)
KO MYUNG HOON (KR)
JEON YOUNGJE (KR)
KONG JINHAK (KR)
PARK WAN GEUN (KR)
LEE YONG TAE (KR)
KO MYUNG HOON (KR)
JEON YOUNGJE (KR)
Application Number:
PCT/KR2023/014589
Publication Date:
April 04, 2024
Filing Date:
September 25, 2023
Export Citation:
Assignee:
LG ENERGY SOLUTION LTD (KR)
International Classes:
H01M50/533; B23K20/10; B23K26/21; H01M50/178; H01M50/536
Domestic Patent References:
| WO2013105361A1 | 2013-07-18 |
Foreign References:
| KR20210070187A | 2021-06-14 | |||
| KR100745271B1 | 2007-08-01 | |||
| KR20200090498A | 2020-07-29 | |||
| JP2014143230A | 2014-08-07 |
Attorney, Agent or Firm:
YOU ME PATENT AND LAW FIRM (KR)
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