Title:
SECONDARY BATTERY
Document Type and Number:
WIPO Patent Application WO/2024/096711
Kind Code:
A1
Abstract:
The present invention relates to a secondary battery, and comprises: an electrode assembly having electrode tabs; an exterior material having an accommodation portion for accommodating the electrode assembly; and electrode leads connected to the electrode tabs of the electrode assembly and disposed on the inner side of the exterior material, wherein the exterior material further includes exposure holes that are open to expose portions of the electrode leads to the outside of the exterior material, the electrode leads each includes an exposed portion exposed to the outside of the exterior material through the exposure hole, and a non-exposed portion connected to the exposed portion and covered by the exterior material and not exposed to the outside of the exterior material, and the exposed portion may include a protrusion protruding toward the outside of the exterior material more than the non-exposed portion.
Inventors:
LEE JAE HO (KR)
KIM SANG HUN (KR)
KANG GYUNG SOO (KR)
KIM SANG HUN (KR)
KANG GYUNG SOO (KR)
Application Number:
PCT/KR2023/017636
Publication Date:
May 10, 2024
Filing Date:
November 06, 2023
Export Citation:
Assignee:
LG ENERGY SOLUTION LTD (KR)
International Classes:
H01M50/178; H01M50/159; H01M50/16; H01M50/164; H01M50/186; H01M50/342; H01M50/533; H01M50/572
Foreign References:
| KR102053842B1 | 2019-12-09 | |||
| JP2017004640A | 2017-01-05 | |||
| US5948562A | 1999-09-07 | |||
| KR20200043809A | 2020-04-28 | |||
| KR20160045468A | 2016-04-27 |
Attorney, Agent or Firm:
BAE, KIM & LEE IP (KR)
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