US 12,015,165 B2
Battery module including base plate having gas discharge passage, and battery pack and energy storage system including the same
Jae-Min Yoo, Daejeon (KR); Jeong-O Mun, Daejeon (KR); Eun-Gyu Shin, Daejeon (KR); and Yoon-Koo Lee, Daejeon (KR)
Assigned to LG ENERGY SOLUTION, LTD., Seoul (KR)
Appl. No. 17/294,562
Filed by LG ENERGY SOLUTION, LTD., Seoul (KR)
PCT Filed May 27, 2020, PCT No. PCT/KR2020/006862
§ 371(c)(1), (2) Date May 17, 2021,
PCT Pub. No. WO2020/256304, PCT Pub. Date Dec. 24, 2020.
Claims priority of application No. 10-2019-0071733 (KR), filed on Jun. 17, 2019.
Prior Publication US 2022/0021060 A1, Jan. 20, 2022
Int. Cl. H01M 50/24 (2021.01); H01M 10/613 (2014.01); H01M 10/647 (2014.01); H01M 10/653 (2014.01); H01M 10/6556 (2014.01); H01M 10/6567 (2014.01); H01M 50/211 (2021.01); H01M 50/244 (2021.01); H01M 50/264 (2021.01); H01M 50/271 (2021.01); H01M 50/289 (2021.01); H01M 50/35 (2021.01); H01M 50/502 (2021.01); H01M 50/627 (2021.01)
CPC H01M 50/24 (2021.01) [H01M 10/613 (2015.04); H01M 10/647 (2015.04); H01M 10/653 (2015.04); H01M 10/6556 (2015.04); H01M 10/6567 (2015.04); H01M 50/211 (2021.01); H01M 50/244 (2021.01); H01M 50/264 (2021.01); H01M 50/271 (2021.01); H01M 50/289 (2021.01); H01M 50/35 (2021.01); H01M 50/502 (2021.01); H01M 50/627 (2021.01)] 10 Claims
OG exemplary drawing
 
1. A battery module, comprising:
a cell assembly having a plurality of secondary batteries stacked on each other in a front and rear direction; and
a base plate configured such that the plurality of secondary batteries of the cell assembly are mounted to an upper portion thereof, the base plate including:
at least one gas discharge passage having a sidewall elongated in the front and rear direction to communicate with the outside; and
an open portion formed by a top of the sidewall in one direction and at least one anti-inflammatory mesh sheet configured to cover the open portion.