US 11,749,852 B2
Battery module and manufacturing method thereof
Jinwoo Park, Daejeon (KR); Tae Geun Kim, Daejeon (KR); and Junyeob Seong, Daejeon (KR)
Assigned to LG ENERGY SOLUTION, LTD., Seoul (KR)
Appl. No. 16/964,474
Filed by LG CHEM, LTD., Seoul (KR)
PCT Filed Nov. 19, 2019, PCT No. PCT/KR2019/015877
§ 371(c)(1), (2) Date Jul. 23, 2020,
PCT Pub. No. WO2020/116825, PCT Pub. Date Jun. 11, 2020.
Claims priority of application No. 10-2018-0155516 (KR), filed on Dec. 5, 2018.
Prior Publication US 2021/0057689 A1, Feb. 25, 2021
Int. Cl. H01M 10/653 (2014.01); H01M 50/242 (2021.01); H01M 50/211 (2021.01)
CPC H01M 10/653 (2015.04) [H01M 50/211 (2021.01); H01M 50/242 (2021.01)] 12 Claims
OG exemplary drawing
 
1. A battery module comprising:
a battery cell stacked body including a plurality of battery cells stacked adjacent each other in parallel;
a mono frame configured to receive the battery cell stacked body, the mono frame including at least one opening opened in a length direction of the battery cell stacked body, an upper plate and a lower plate that are perpendicular to a stacked side of the battery cell stacked body, and a pair of lateral plates in parallel to the stacked side of the battery cell stacked body;
an external expansion controlling pad provided between the battery cell stacked body and the mono frame; and
a heat radiating resin provided between the battery cell stacked body and the lower plate,
wherein the external expansion controlling pad is integrally formed and includes two main bodies covering opposite sides of the battery cell stacked body and provided between the battery cell stacked body and the pair of lateral plates, and two bridges connecting the two main bodies and provided along a side of the battery cell stacked body between the battery cell stacked body and the lower plate,
wherein the heat radiating resin is provided in a space formed by the two main bodies and the two bridges, and
wherein the two main bodies and the two bridges of the external expansion controlling pad are integrally connected to each other.