US 12,155,053 B2
Battery module comprising thermal barrier and pack
Seo Roh Rhee, Daejeon (KR); Tae Il Kim, Daejeon (KR); Ho Yeon Kim, Daejeon (KR); and Kang Gu Lee, Daejeon (KR)
Assigned to SK ON CO., LTD., Seoul (KR)
Filed by SK Innovation Co., Ltd., Seoul (KR)
Filed on Sep. 2, 2021, as Appl. No. 17/464,921.
Claims priority of application No. 10-2020-0111524 (KR), filed on Sep. 2, 2020.
Prior Publication US 2022/0069377 A1, Mar. 3, 2022
Int. Cl. H01M 10/658 (2014.01); H01M 10/04 (2006.01); H01M 10/613 (2014.01); H01M 10/647 (2014.01); H01M 10/653 (2014.01); H01M 10/6554 (2014.01); H01M 50/209 (2021.01); H01M 50/24 (2021.01)
CPC H01M 10/658 (2015.04) [H01M 10/0413 (2013.01); H01M 10/613 (2015.04); H01M 10/647 (2015.04); H01M 10/653 (2015.04); H01M 10/6554 (2015.04); H01M 50/209 (2021.01); H01M 50/24 (2021.01)] 14 Claims
OG exemplary drawing
 
1. A battery module comprising a cell assembly stacked with a plurality of secondary battery cell; a housing accommodating the cell assembly,
a thermal barrier is placed in the housing,
wherein the thermal barrier comprises a first heat resistant layer, a second heat resistant layer, and a rigid mechanical layer disposed between the first and second heat resistant layers,
wherein the heat resistant layers include at least one mica sheet comprising mica, and the at least one mica sheet directly faces one of the plurality of secondary battery cells.