US 12,237,520 B2
Cylindrical battery
Hyeon Min Song, Daejeon (KR); and Duk Hyun Ryu, Daejeon (KR)
Assigned to LG ENERGY SOLUTION, LTD., Seoul (KR)
Appl. No. 17/618,737
Filed by LG ENERGY SOLUTION, LTD., Seoul (KR)
PCT Filed Jul. 7, 2020, PCT No. PCT/KR2020/008829
§ 371(c)(1), (2) Date Dec. 13, 2021,
PCT Pub. No. WO2021/006589, PCT Pub. Date Jan. 14, 2021.
Claims priority of application No. 10-2019-0083862 (KR), filed on Jul. 11, 2019.
Prior Publication US 2022/0247019 A1, Aug. 4, 2022
Int. Cl. H01M 50/152 (2021.01); H01M 50/107 (2021.01); H01M 50/574 (2021.01); H01M 50/586 (2021.01)
CPC H01M 50/152 (2021.01) [H01M 50/107 (2021.01); H01M 50/574 (2021.01); H01M 50/586 (2021.01)] 19 Claims
OG exemplary drawing
 
1. A cylindrical battery, comprising:
a metal can;
an electrode assembly located in the metal can;
a cap assembly containing a current interruptive device located on a top of the electrode assembly;
an upper insulator located between the cap assembly and the electrode assembly; and
at least one spring having a first end integrally connected to a lower surface of the current interruptive device and a second end contacting an upper surface of the upper insulator.