US 12,476,324 B2
Battery module having improved gas venting structure, and battery pack including same
Jae Min Yoo, Daejeon (KR); Jeong Oh Moon, Daejeon (KR); Young Bum Cho, Daejeon (KR); Eun Gyu Shin, Daejeon (KR); and Seung Joon Kim, Daejeon (KR)
Assigned to LG ENERGY SOLUTION, LTD., Seoul (KR)
Appl. No. 17/799,527
Filed by LG ENERGY SOLUTION, LTD., Seoul (KR)
PCT Filed Aug. 2, 2021, PCT No. PCT/KR2021/010035
§ 371(c)(1), (2) Date Aug. 12, 2022,
PCT Pub. No. WO2022/030905, PCT Pub. Date Feb. 10, 2022.
Claims priority of application No. 10-2020-0099333 (KR), filed on Aug. 7, 2020.
Prior Publication US 2023/0082942 A1, Mar. 16, 2023
Int. Cl. H01M 50/383 (2021.01); H01M 50/204 (2021.01); H01M 50/209 (2021.01); H01M 50/258 (2021.01); H01M 50/30 (2021.01); H01M 50/35 (2021.01); H01M 50/358 (2021.01); H01M 50/367 (2021.01)
CPC H01M 50/383 (2021.01) [H01M 50/204 (2021.01); H01M 50/209 (2021.01); H01M 50/258 (2021.01); H01M 50/30 (2021.01); H01M 50/35 (2021.01); H01M 50/358 (2021.01); H01M 50/367 (2021.01); H01M 50/394 (2021.01)] 12 Claims
OG exemplary drawing
 
1. A battery module comprising:
a module case having a bottom plate and a top plate spaced from each other in a vertical direction, a pair of side surfaces spaced from each other in a first horizontal direction, a pair of end surfaces spaced from each other in a second horizontal direction, and a receiving portion for accommodating a battery cell; and
a plurality of battery cells stacked in the module case and stacked in the second horizontal direction,
wherein a gas venting structure is formed on at least one side surface of the pair of side surfaces,
wherein the gas venting structure includes:
a first partition wall including a first gas venting hole and a first mesh structure which covers the first gas venting hole; and
a second partition wall spaced apart from an external side of the first partition wall by a predetermined distance, and including a second gas venting hole and a second mesh structure which covers the second gas venting hole,
wherein the first gas venting hole formed on the first partition wall and the second gas venting hole formed on the second partition wall are alternately positioned in the vertical direction.