US 12,456,774 B2
Battery pack, energy storage system, and vehicle
Sung-Man Choi, Daejeon (KR); Yong-Shik Shin, Daejeon (KR); Young-Jin Kim, Daejeon (KR); Do-Wung Son, Daejeon (KR); Seung-Hyun Yun, Daejeon (KR); and Byeong-Yoon Jung, Daejeon (KR)
Assigned to LG ENERGY SOLUTION, LTD., Seoul (KR)
Appl. No. 17/791,556
Filed by LG ENERGY SOLUTION, LTD., Seoul (KR)
PCT Filed Nov. 16, 2021, PCT No. PCT/KR2021/016811
§ 371(c)(1), (2) Date Jul. 8, 2022,
PCT Pub. No. WO2022/119182, PCT Pub. Date Jun. 9, 2022.
Claims priority of application No. 10-2020-0167834 (KR), filed on Dec. 3, 2020.
Prior Publication US 2023/0042717 A1, Feb. 9, 2023
Int. Cl. H01M 50/242 (2021.01); H01M 50/238 (2021.01); H01M 50/244 (2021.01); H01M 50/249 (2021.01)
CPC H01M 50/242 (2021.01) [H01M 50/238 (2021.01); H01M 50/244 (2021.01); H01M 50/249 (2021.01); H01M 2220/20 (2013.01)] 15 Claims
OG exemplary drawing
 
1. A battery pack, comprising:
a battery module having at least one battery cell;
a tray having a plate shape so that the battery module is mounted thereon;
a reinforcing member mounted on the tray, the reinforcing member having at least one coupling portion coupled to the tray and at least one convex portion having an upwardly facing convex surface supporting the battery module upward, a first space formed between the tray and the at least one convex portion supporting the battery module; and
an elastic member constrained in the first space in an elastically deformed state and configured to press a lower surface of the reinforcing member upward,
wherein the at least one convex portion is connected to and integrally formed with the at least one coupling portion,
wherein the at least one convex portion has a first portion bent upward from the coupling portion, a second portion bent in a horizontal direction from an end of the first portion, and a third portion bent downward from an end of the second portion bent, and
wherein both ends of the elastic member press a lower surface of the reinforcing member upward.