US 12,244,029 B2
Battery module and battery pack comprising battery module
Jung-Been You, Daejeon (KR); Dal-Mo Kang, Daejeon (KR); Min-Ho Kwon, Daejeon (KR); Jeong-O Mun, Daejeon (KR); Jae-Uk Ryu, Daejeon (KR); and Jung-Hoon Lee, Daejeon (KR)
Assigned to LG ENERGY SOLUTION, LTD., Seoul (KR)
Appl. No. 17/268,306
Filed by LG CHEM, LTD., Seoul (KR)
PCT Filed Sep. 11, 2019, PCT No. PCT/KR2019/011825
§ 371(c)(1), (2) Date Feb. 12, 2021,
PCT Pub. No. WO2020/060108, PCT Pub. Date Mar. 26, 2020.
Claims priority of application No. 10-2018-0113243 (KR), filed on Sep. 20, 2018.
Prior Publication US 2021/0305651 A1, Sep. 30, 2021
Int. Cl. H01M 50/238 (2021.01); B60L 50/64 (2019.01); H01M 10/04 (2006.01); H01M 50/211 (2021.01); H01M 50/242 (2021.01); H01M 50/249 (2021.01)
CPC H01M 50/238 (2021.01) [H01M 10/0413 (2013.01); H01M 10/0481 (2013.01); H01M 50/211 (2021.01); H01M 50/242 (2021.01); H01M 50/249 (2021.01); B60L 50/64 (2019.02); H01M 2220/20 (2013.01)] 13 Claims
OG exemplary drawing
 
1. A battery module, comprising:
a battery cell assembly having a plurality of battery cells stacked on each other;
a pair of end plates provided at opposite sides of the battery cell assembly, each end plate of the pair of end plates having a recess formed in an outer surface; and
a cover frame coupled to the pair of end plates to cover the battery cell assembly, the cover frame being deformed along an inflating direction of the plurality of battery cells when the plurality of battery cells are inflated,
wherein both ends of the cover frame are bent to partially cover and fit with the recesses of the pair of the end plates in the inflating direction of the plurality of battery cells,
wherein a length of each bent end is equal to a length of a respective one of the recesses, and
wherein the bent ends and the end plates are coplanar.