US 12,002,938 B2
Battery rack and power storage device comprising 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. 17/298,375
Filed by LG ENERGY SOLUTION, LTD., Seoul (KR)
PCT Filed May 12, 2020, PCT No. PCT/KR2020/006234
§ 371(c)(1), (2) Date May 28, 2021,
PCT Pub. No. WO2020/246721, PCT Pub. Date Dec. 10, 2020.
Claims priority of application No. 10-2019-0066645 (KR), filed on Jun. 5, 2019.
Prior Publication US 2022/0006139 A1, Jan. 6, 2022
Int. Cl. H01M 10/6556 (2014.01); H01M 10/613 (2014.01); H01M 10/647 (2014.01); H01M 10/658 (2014.01); H01M 50/24 (2021.01)
CPC H01M 10/6556 (2015.04) [H01M 10/613 (2015.04); H01M 10/647 (2015.04); H01M 10/658 (2015.04); H01M 50/24 (2021.01)] 8 Claims
OG exemplary drawing
 
1. A battery rack, comprising:
a plurality of battery modules stacked on each other in a vertical direction;
a rack case configured to accommodate the plurality of battery modules; and
at least one firewall provided to at least one side surface of the rack case to prevent flame and heat from propagating toward an adjacent battery rack when a fire occurs,
wherein the at least one firewall is fixed to both the rack case and the plurality of battery modules,
wherein the at least one firewall includes:
at least one case coupling portion for coupling with the rack case; and
at least one module coupling portion for coupling with the plurality of battery modules.