US 12,476,310 B2
Secondary battery and manufacturing method of secondary battery
Sung Gwi Ko, Yongin-si (KR)
Assigned to Samsung SDI Co., Ltd., Yongin-si (KR)
Appl. No. 18/012,891
Filed by Samsung SDI Co., Ltd., Yongin-si (KR)
PCT Filed Nov. 12, 2021, PCT No. PCT/KR2021/016519
§ 371(c)(1), (2) Date Dec. 23, 2022,
PCT Pub. No. WO2022/108253, PCT Pub. Date May 27, 2022.
Claims priority of application No. 10-2020-0157660 (KR), filed on Nov. 23, 2020.
Prior Publication US 2023/0207934 A1, Jun. 29, 2023
Int. Cl. H01M 50/184 (2021.01); H01M 50/186 (2021.01); H01M 50/367 (2021.01); H01M 50/547 (2021.01)
CPC H01M 50/184 (2021.01) [H01M 50/186 (2021.01); H01M 50/367 (2021.01); H01M 50/547 (2021.01)] 12 Claims
OG exemplary drawing
 
1. A secondary battery comprising:
an electrode assembly;
a case for accommodating the electrode assembly; and
a cap assembly coupled to a top of the case and electrically connected to the electrode assembly,
wherein the cap assembly comprises: a cap plate having a ring-shaped first groove formed on an upper surface thereof, and a ring-shaped second groove formed on a lower surface thereof and connected to the first groove; and an insulation member insert-injected into the first groove.