US 12,438,230 B2
Battery module, battery rack, and power storage device
Jae-Min Yoo, Daejeon (KR); Seung-Joon Kim, Daejeon (KR); Eun-Gyu Shin, Daejeon (KR); and Young-Bum Cho, Daejeon (KR)
Assigned to LG ENERGY SOLUTION, LTD., Seoul (KR)
Appl. No. 17/908,755
Filed by LG ENERGY SOLUTION, LTD., Seoul (KR)
PCT Filed Sep. 13, 2021, PCT No. PCT/KR2021/012445
§ 371(c)(1), (2) Date Sep. 1, 2022,
PCT Pub. No. WO2022/075620, PCT Pub. Date Apr. 14, 2022.
Claims priority of application No. 10-2020-0130506 (KR), filed on Oct. 8, 2020.
Prior Publication US 2023/0123282 A1, Apr. 20, 2023
Int. Cl. H01M 50/383 (2021.01); H01M 50/367 (2021.01)
CPC H01M 50/383 (2021.01) [H01M 50/367 (2021.01)] 10 Claims
OG exemplary drawing
 
1. A battery module comprising:
a cell assembly having a plurality of battery cells;
a front cover comprising an upper wall, a lower wall, a left wall, and a right wall, which form an inner space; and
a module case accommodating the cell assembly within an inner space of the module case, coupled to the front cover, and comprising a cover portion that has a portion protruding to face at least one of the upper wall, the lower wall, the left wall, and the right wall of the front cover,
wherein the front cover further comprises:
an upper duct formed on an upper end of the front cover and configured to introduce outside air into the module case; and
a lower duct formed on a lower end of the front cover and configured to introduce outside air into the module case, and
wherein the module case further comprises:
an upper plate arranged above the cell assembly and comprising a first cover portion extending from an end portion of the upper plate to face an inner surface of the upper duct; and
a lower plate arranged below the cell assembly, configured to be coupled to the upper plate, and comprising a second cover portion extending from an end portion of the lower plate to face an inner surface of the lower duct.