US 12,252,000 B2
Battery pack with efficient cooling path structure and improved safety and vehicle including the same
Tae-Kyeong Lee, Daejeon (KR); Sung-Hoon Woo, Daejeon (KR); and Young-Il Yoon, Daejeon (KR)
Assigned to LG ENERGY SOLUTION, LTD., Seoul (KR)
Appl. No. 17/765,253
Filed by LG ENERGY SOLUTION, LTD., Seoul (KR)
PCT Filed Apr. 13, 2021, PCT No. PCT/KR2021/004675
§ 371(c)(1), (2) Date Mar. 30, 2022,
PCT Pub. No. WO2021/221353, PCT Pub. Date Nov. 4, 2021.
Claims priority of application No. 10-2020-0052833 (KR), filed on Apr. 29, 2020.
Prior Publication US 2022/0348068 A1, Nov. 3, 2022
Int. Cl. H01M 10/625 (2014.01); B60K 1/04 (2019.01); B60L 50/64 (2019.01); B62D 25/20 (2006.01); B62D 29/00 (2006.01); H01M 10/613 (2014.01); H01M 10/6556 (2014.01); H01M 10/6568 (2014.01); H01M 50/249 (2021.01); B60K 1/00 (2006.01)
CPC B60K 1/04 (2013.01) [B60L 50/64 (2019.02); B62D 25/20 (2013.01); B62D 29/008 (2013.01); H01M 10/613 (2015.04); H01M 10/625 (2015.04); H01M 10/6556 (2015.04); H01M 10/6568 (2015.04); H01M 50/249 (2021.01); B60K 2001/005 (2013.01); B60K 2001/0438 (2013.01); H01M 2220/20 (2013.01)] 15 Claims
OG exemplary drawing
 
1. A battery pack, comprising:
battery modules provided with a heatsink;
a pack housing including a floor panel having an upper surface on which the battery modules are placed and a lower surface in which coolant channels for supplying and discharging a coolant to/from the heatsink of the battery modules are provided, and a base plate disposed below the floor panel in a layered form; and
a coolant supply pipe configured to selectively communicate with the coolant channels and be coupled to an upper surface of the floor panel and disposed along a right side line of the floor panel; and
a coolant discharge pipe configured to selectively communicate with the coolant channels and be coupled to the upper surface of the floor panel and disposed along a left side line of the floor panel,
wherein the coolant channels have a lower end fixedly coupled to the base plate.