US 12,294,098 B2
Battery module, battery rack comprising same battery module, and power storage device
Young-Bin Im, Daejeon (KR); In-Jae Gang, Daejeon (KR); Jong-Kyu Ahn, Daejeon (KR); Kyung-Hyun Bae, Daejeon (KR); and Jin-Kyu Shin, Daejeon (KR)
Assigned to LG ENERGY SOLUTION, LTD., Seoul (KR)
Appl. No. 17/624,945
Filed by LG ENERGY SOLUTION, LTD., Seoul (KR)
PCT Filed Jan. 19, 2021, PCT No. PCT/KR2021/000764
§ 371(c)(1), (2) Date Jan. 5, 2022,
PCT Pub. No. WO2021/150006, PCT Pub. Date Jul. 29, 2021.
Claims priority of application No. 10-2020-0008780 (KR), filed on Jan. 22, 2020.
Prior Publication US 2022/0263171 A1, Aug. 18, 2022
Int. Cl. H01M 50/209 (2021.01); H01M 10/04 (2006.01); H01M 50/293 (2021.01)
CPC H01M 50/209 (2021.01) [H01M 10/0481 (2013.01); H01M 50/293 (2021.01)] 14 Claims
OG exemplary drawing
 
1. A battery module, comprising:
a battery cell assembly having a plurality of battery cells stacked on each other;
a pair of end plates provided at a front side and a rear side of the battery cell assembly, respectively;
a pair of buffer plates respectively provided to the pair of end plates and disposed at the front side and the rear side of the battery cell assembly; and
at least one pressing plate provided between one of the pair of buffer plates and disposed between the plurality of battery cells of the battery cell assembly,
wherein the pair of buffer plates and the at least one pressing plate are configured such that front surfaces and rear surfaces thereof in a front and rear direction of the battery cell assembly have a flat shape,
wherein each of the pair of buffer plates has a first surface facing the respective end plate and a second surface facing the battery cell assembly, and
wherein a cable passage for accommodating a cable member for connecting electric components of the battery module is formed in the second surface of a first buffer plate of the pair of buffer plates.