US 12,015,172 B2
Battery pack including connection plate, electronic device and vehicle
Jin-Oh Yang, Daejeon (KR); and Young-Su Son, Daejeon (KR)
Assigned to LG ENERGY SOLUTION, LTD., Seoul (KR)
Appl. No. 17/279,343
Filed by LG CHEM, LTD., Seoul (KR)
PCT Filed Jul. 2, 2020, PCT No. PCT/KR2020/008689
§ 371(c)(1), (2) Date Mar. 24, 2021,
PCT Pub. No. WO2021/002710, PCT Pub. Date Jan. 7, 2021.
Claims priority of application No. 10-2019-0079603 (KR), filed on Jul. 2, 2019.
Prior Publication US 2021/0408640 A1, Dec. 30, 2021
This patent is subject to a terminal disclaimer.
Int. Cl. H01M 50/503 (2021.01); H01M 10/44 (2006.01); H01M 10/613 (2014.01); H01M 10/643 (2014.01); H01M 10/6562 (2014.01); H01M 50/213 (2021.01); H01M 50/249 (2021.01); H01M 50/264 (2021.01); H01M 50/505 (2021.01); H01M 50/516 (2021.01); H01M 50/528 (2021.01)
CPC H01M 50/503 (2021.01) [H01M 10/44 (2013.01); H01M 10/613 (2015.04); H01M 10/643 (2015.04); H01M 10/6562 (2015.04); H01M 50/213 (2021.01); H01M 50/249 (2021.01); H01M 50/264 (2021.01); H01M 50/505 (2021.01); H01M 50/516 (2021.01); H01M 50/528 (2021.01); H01M 2220/20 (2013.01)] 17 Claims
OG exemplary drawing
 
1. A battery pack, comprising:
a plurality of battery modules disposed in a front-to-rear direction, wherein each of the plurality of battery modules includes:
a plurality of battery cells arranged in a horizontal direction and having electrode terminals respectively at upper and lower portions thereof;
a module housing configured to have an inner space in which the battery cells are accommodated; and
a connection plate including a contact portion at an upper or lower portion of the plurality of battery cells and having a plurality of connection terminals formed in a portion thereof and respectively electrically contacted and connected to the electrode terminals at the plurality of battery cells, and a connection portion bent at least once from one end of the contact portion to extend in at least one direction among an upper direction, a lower direction, the front-to-rear direction so that the bent and extending region of the connection portion is on a left or right outer wall of the module housing to contact a part of a connection plate of another battery module,
wherein each module housing includes a protection portion at the left or right outer wall thereof to have a plane so that the connection portion is placed thereon in an overlapping state, and
wherein the protection portion of each module housing has an air hole at an inner side thereof to be opened to an outside.