US 12,347,822 B2
Secondary battery
Shin Gun Kang, Yongin-si (KR)
Assigned to Samsung SDI Co., Ltd., Yongin-si (KR)
Filed by Samsung SDI Co., Ltd., Yongin-si (KR)
Filed on Jun. 1, 2023, as Appl. No. 18/327,711.
Application 18/327,711 is a continuation of application No. 16/613,090, granted, now 11,688,877, previously published as PCT/KR2017/014046, filed on Dec. 4, 2017.
Claims priority of application No. 10-2017-0066844 (KR), filed on May 30, 2017.
Prior Publication US 2023/0327176 A1, Oct. 12, 2023
Int. Cl. H01M 10/04 (2006.01); H01M 50/105 (2021.01)
CPC H01M 10/0431 (2013.01) [H01M 50/105 (2021.01)] 21 Claims
OG exemplary drawing
 
1. A secondary battery comprising:
a case;
an electrode assembly, comprising a positive electrode plate, and accommodated in the case; and
a support plate including a plate-shaped base plate at one end of the electrode assembly and supporting the one end of the electrode assembly, such that at least a first portion of the support plate covers a lower end surface of the electrode assembly, the lower end surface comprising an end portion of the positive electrode plate and an end portion of a negative electrode plate,
wherein at least a second portion of the support plate is located at a wound inner portion of the electrode assembly, and is electrically insulated from the positive electrode plate.