US 12,308,476 B2
Battery module
Jae Hun Kim, Daejeon (KR); Hyeong Won Kim, Daejeon (KR); Sung Chel Yoon, Daejeon (KR); and Ki Dong Lee, Daejeon (KR)
Assigned to SK ON CO., LTD., Seoul (KR)
Filed by SK ON CO., LTD., Seoul (KR)
Filed on Jan. 18, 2024, as Appl. No. 18/415,661.
Claims priority of application No. 10-2023-0021714 (KR), filed on Feb. 17, 2023.
Prior Publication US 2024/0283103 A1, Aug. 22, 2024
Int. Cl. H01M 50/533 (2021.01); H01M 50/507 (2021.01); H01M 50/54 (2021.01)
CPC H01M 50/533 (2021.01) [H01M 50/507 (2021.01); H01M 50/54 (2021.01)] 13 Claims
OG exemplary drawing
 
1. A battery module comprising:
a plurality of battery cells and a bus bar assembly electrically connecting the plurality of battery cells,
wherein each of the plurality of battery cells includes an electrode assembly capable of storing and supplying electrical energy;
a battery exterior material accommodating the electrode assembly therein; and
an electrode lead including a first tab portion electrically connected to the electrode assembly and protruding out of the battery exterior material along a first direction, and a second tab portion extending along the first direction in which the first tab portion protrudes from a free end of the first tab portion and having a different shape from the first tab portion, and
wherein the bus bar assembly includes a first bus bar body and a second bus bar body facing the first bus bar body along the first direction and interposes at least a part of the second tab portion between the first bus bar body and the second bus bar body, and
wherein the first bus bar body is electrically connected to the first tab portion and the second bus bar body is electrically connected to the second tab portion.