US 11,670,795 B2
Battery module
Seung Hoon Ju, Daejeon (KR); Kwan Yong Kim, Daejeon (KR); and Sol San Son, Daejeon (KR)
Assigned to SK ON CO., LTD., Seoul (KR)
Filed by SK INNOVATION CO., LTD., Seoul (KR)
Filed on Jun. 30, 2021, as Appl. No. 17/363,725.
Application 17/363,725 is a continuation of application No. 15/850,852, filed on Dec. 21, 2017, granted, now 11,088,410.
Claims priority of application No. 10-2016-0177900 (KR), filed on Dec. 23, 2016; application No. 10-2017-0041875 (KR), filed on Mar. 31, 2017; and application No. 10-2017-0177048 (KR), filed on Dec. 21, 2017.
Prior Publication US 2021/0328296 A1, Oct. 21, 2021
Int. Cl. H01M 10/04 (2006.01); H01M 50/528 (2021.01); H01M 50/512 (2021.01); H01M 50/50 (2021.01); H01M 50/516 (2021.01); H01M 50/509 (2021.01); H01M 50/548 (2021.01); H01M 50/553 (2021.01); H01M 50/209 (2021.01); H01M 50/503 (2021.01); H01M 10/48 (2006.01); B23K 26/244 (2014.01); B23K 103/10 (2006.01); B23K 103/12 (2006.01)
CPC H01M 10/0413 (2013.01) [B23K 26/244 (2015.10); H01M 10/486 (2013.01); H01M 50/209 (2021.01); H01M 50/50 (2021.01); H01M 50/503 (2021.01); H01M 50/509 (2021.01); H01M 50/512 (2021.01); H01M 50/516 (2021.01); H01M 50/528 (2021.01); H01M 50/548 (2021.01); H01M 50/553 (2021.01); B23K 2103/10 (2018.08); B23K 2103/12 (2018.08); H01M 2200/10 (2013.01)] 18 Claims
OG exemplary drawing
 
1. A battery module comprising:
a plurality of battery cells each including at least one electrode tab; and
a bus bar connected to the electrode tabs to electrically connect the plurality of battery cells to each other, the bus bar having a plate in which a plurality of holes are formed;
wherein each of the electrode tabs is inserted into a corresponding one of the plurality of holes and bonded as wobble shape to the corresponding one of the plurality of holes,
wherein the plurality of battery cells are stacked in a front-rear direction,
wherein each of the electrode tabs includes a bending portion,
wherein a front surface of the bending portion faces forward,
wherein a rear surface of the bending portion faces rearward, and
wherein one of the front surface and the rear surface is convex and another of the front surface and the rear surface is concave.