US 12,407,038 B2
Air cooling type battery module having separate cooling structure for battery cell
Tae-Gyu Lee, Daejeon (KR)
Assigned to LG ENERGY SOLUTION, LTD., Seoul (KR)
Appl. No. 17/921,796
Filed by LG ENERGY SOLUTION, LTD., Seoul (KR)
PCT Filed Nov. 15, 2021, PCT No. PCT/KR2021/016672
§ 371(c)(1), (2) Date Oct. 27, 2022,
PCT Pub. No. WO2022/108278, PCT Pub. Date May 27, 2022.
Claims priority of application No. 10-2020-0157806 (KR), filed on Nov. 23, 2020.
Prior Publication US 2023/0352763 A1, Nov. 2, 2023
Int. Cl. H01M 10/6551 (2014.01); H01M 10/613 (2014.01); H01M 10/653 (2014.01); H01M 10/6561 (2014.01); H01M 50/213 (2021.01); H01M 50/289 (2021.01)
CPC H01M 10/6551 (2015.04) [H01M 10/613 (2015.04); H01M 10/653 (2015.04); H01M 10/6561 (2015.04); H01M 50/213 (2021.01); H01M 50/289 (2021.01)] 11 Claims
OG exemplary drawing
 
1. A battery module, comprising:
cylindrical battery cells arranged in horizontal and vertical directions, each cylindrical battery cell having a top cap facing upward;
a module case in which the cylindrical battery cells are accommodated; and
cooling caps mounted on lower end portions of the cylindrical battery cells,
wherein the cooling caps
protrude below a lower end of the module case to contact cooling air in a lower portion of the module case, and protrude to have different heights for pre-determined zones according to positions of the cylindrical battery cells located inside the module case.