US 12,341,219 B2
Battery pack with fixing bar, and electronic device and automobile comprising same
Hee-Jun Jin, Daejeon (KR); Jung-Hoon Lee, Daejeon (KR); Kyung-Mo Kim, Daejeon (KR); Jeong-O Mun, Daejeon (KR); Jin-Yong Park, Daejeon (KR); Jhin-Ha Park, Daejeon (KR); and Ho-June Chi, Daejeon (KR)
Assigned to LG Energy Solution, Ltd., Seoul (KR)
Appl. No. 17/629,185
Filed by LG Energy Solution, Ltd., Seoul (KR)
PCT Filed Jul. 15, 2020, PCT No. PCT/KR2020/009344
§ 371(c)(1), (2) Date Jan. 21, 2022,
PCT Pub. No. WO2021/025321, PCT Pub. Date Feb. 11, 2021.
Claims priority of application No. 10-2019-0095072 (KR), filed on Aug. 5, 2019.
Prior Publication US 2022/0255191 A1, Aug. 11, 2022
Int. Cl. H01M 50/503 (2021.01); H01M 10/625 (2014.01); H01M 10/6551 (2014.01); H01M 50/213 (2021.01); H01M 50/30 (2021.01)
CPC H01M 50/503 (2021.01) [H01M 10/625 (2015.04); H01M 10/6551 (2015.04); H01M 50/213 (2021.01); H01M 50/30 (2021.01); H01M 2220/20 (2013.01)] 12 Claims
OG exemplary drawing
 
1. A battery pack comprising:
at least one battery module, each battery module including a plurality of secondary batteries placed and arranged in a horizontal direction and electrically connected to each other, and each battery module including a cell frame having a fixing tube configured to fix the plurality of secondary batteries in a predetermined arrangement, the fixing tube being disposed between the plurality of secondary batteries, extending in the horizontal direction and having two open ends;
a pack tray including a base plate on which the at least one battery module is mounted and a fixing wall extending in an upward direction from an upper surface of the base plate and extending along a periphery of the base plate; and
a fixing rod extending in the horizontal direction and inserted into the fixing tube,
wherein first and second opposite ends of the fixing rod are fixed to first and second opposite locations of the fixing wall, and
wherein the fixing rod includes two press members, each of the two press members configured to move in the horizontal direction toward the first and second opposite locations of the fixing wall, to press first and second ones of the at least one battery module toward the fixing wall to fix the first and second ones of the at least one battery module in contact with the fixing wall, the two press members being disposed between the first and second ones of the at least one battery module.