US 12,438,212 B2
Battery pack having thermal diffusion prevention structure between battery modules
Doo-Han Yoon, Daejeon (KR); and Jin-Kyu Lee, Daejeon (KR)
Assigned to LG Energy Solution, LTD., Seoul (KR)
Appl. No. 17/780,453
Filed by LG Energy Solution, LTD., Seoul (KR)
PCT Filed Aug. 5, 2021, PCT No. PCT/KR2021/010363
§ 371(c)(1), (2) Date May 26, 2022,
PCT Pub. No. WO2022/055130, PCT Pub. Date Mar. 17, 2022.
Claims priority of application No. 10-2020-0117919 (KR), filed on Sep. 14, 2020.
Prior Publication US 2023/0011587 A1, Jan. 12, 2023
Int. Cl. H01M 10/653 (2014.01); H01M 10/613 (2014.01); H01M 10/625 (2014.01); H01M 10/647 (2014.01); H01M 10/6555 (2014.01); H01M 10/658 (2014.01); H01M 50/204 (2021.01); H01M 50/211 (2021.01); H01M 50/242 (2021.01); H01M 50/249 (2021.01); H01M 50/291 (2021.01); H01M 50/293 (2021.01)
CPC H01M 10/653 (2015.04) [H01M 10/613 (2015.04); H01M 10/625 (2015.04); H01M 10/647 (2015.04); H01M 10/6555 (2015.04); H01M 10/658 (2015.04); H01M 50/204 (2021.01); H01M 50/211 (2021.01); H01M 50/242 (2021.01); H01M 50/249 (2021.01); H01M 50/291 (2021.01); H01M 50/293 (2021.01); H01M 2220/20 (2013.01)] 11 Claims
OG exemplary drawing
 
1. A battery pack comprising:
a plurality of battery modules comprising a plurality of battery cells and a housing accommodating the plurality of battery cells;
a case accommodating the plurality of battery modules;
a plurality of insulating materials arranged between two adjacent battery modules among the plurality of battery modules facing each other; and
a thermally conductive sheet, wherein a portion of the thermally conductive sheet is arranged between the plurality of insulating materials and another portion of the thermally conductive sheet is in contact with the case,
wherein the plurality of insulating materials comprise a first insulation pad provided to surround one side and a portion of an upper surface of a first battery module of the two adjacent battery modules facing each other; a second insulation pad provided to surround one side and an upper surface of a second battery module of the two adjacent battery modules facing each other; and a third insulation pad arranged between the first insulation pad and the second insulation pad.