US 12,218,331 B2
Battery module and battery pack including the same
Tae Young Kang, Daejeon (KR)
Assigned to LG Energy Solution, Ltd., Seoul (KR)
Appl. No. 17/263,764
Filed by LG ENERGY SOLUTION, LTD., Seoul (KR)
PCT Filed Jun. 26, 2020, PCT No. PCT/KR2020/008381
§ 371(c)(1), (2) Date Jan. 27, 2021,
PCT Pub. No. WO2021/080115, PCT Pub. Date Apr. 29, 2021.
Claims priority of application No. 10-2019-0133055 (KR), filed on Oct. 24, 2019.
Prior Publication US 2021/0376410 A1, Dec. 2, 2021
Int. Cl. H01M 10/6567 (2014.01); H01M 10/613 (2014.01); H01M 10/625 (2014.01); H01M 50/209 (2021.01); H01M 50/211 (2021.01); H01M 50/533 (2021.01)
CPC H01M 10/6567 (2015.04) [H01M 10/613 (2015.04); H01M 10/625 (2015.04); H01M 50/209 (2021.01); H01M 50/211 (2021.01); H01M 50/533 (2021.01); H01M 2220/20 (2013.01)] 10 Claims
OG exemplary drawing
 
1. A battery module comprising:
a battery cell stack in which a plurality of battery cells are stacked, each of the plurality of battery cells having edge surfaces;
a plurality of electrode leads protruding from the respective plurality of battery cells;
a frame covering an upper surface, a lower surface, a left surface, and a right surface of the battery cell stack; and
end plates covering a front surface and a rear surface of the battery cell stack;
wherein a plurality of space parts are defined between the edge surfaces and the frame and between the edge surfaces and the end plates,
wherein insulating oil for cooling the plurality of battery cells is positioned to flow in the plurality of space parts, such that the insulating oil makes direct contact with the battery cells and the electrode leads, and
wherein the insulating oil is supplied to the battery module via a supply inlet and is discharged from the battery module via a discharge outlet.