	US 12,341,208 B2
	Battery module, battery rack, and power storage device
Seung-Joon Kim, Daejeon (KR); Jin-Hak Kong, Daejeon (KR); Ja-Eon Gu, Daejeon (KR); Min-Ho Kwon, Daejeon (KR); Jae-Uk Ryu, Daejeon (KR); Jeong Bin Yu, Daejeon (KR); and Young-Bum Cho, Daejeon (KR)
Assigned to LG ENERGY SOLUTION, LTD., Seoul (KR)
Appl. No. 17/773,264
Filed by LG ENERGY SOLUTION, LTD., Seoul (KR)
PCT Filed Aug. 20, 2020, PCT No. PCT/KR2020/011133 § 371(c)(1), (2) Date Apr. 29, 2022, PCT Pub. No. WO2021/091058, PCT Pub. Date May 14, 2021.
Claims priority of application No. 10-2019-0141715 (KR), filed on Nov. 7, 2019.
Prior Publication US 2024/0154229 A1, May 9, 2024
Int. Cl. H01M 50/24 (2021.01); H01M 10/613 (2014.01); H01M 10/6557 (2014.01); H01M 50/211 (2021.01); H01M 50/342 (2021.01); H01M 50/375 (2021.01)

CPC H01M 50/24 (2021.01) [H01M 10/613 (2015.04); H01M 10/6557 (2015.04); H01M 50/211 (2021.01); H01M 50/3425 (2021.01); H01M 50/375 (2021.01)]

9 Claims

1. A battery module comprising: a plurality of cell assemblies; a module housing comprising an accommodation space configured to accommodate the plurality of cell assemblies a partition wall portion positioned between the plurality of cell assemblies and having an opening; and an opening and closing portion configured to move linearly so as to block at least a part of the opening, wherein the opening and closing portion comprises: an extension structure located in the opening and extending in a first to be movable in the first direction; and a stopper structure formed on each end of the extension structure and configured to block at least a part of the opening when moving in the first direction.