US 12,191,462 B2
Battery module and method of manufacturing the same
Yongjin Cho, Daejeon (KR); Junyeob Seong, Daejeon (KR); Jinwoo Park, Daejeon (KR); and Tae Geun Kim, Daejeon (KR)
Assigned to LG Energy Solution, Ltd., Seoul (KR)
Appl. No. 17/267,673
Filed by LG Chem, Ltd., Seoul (KR)
PCT Filed Feb. 20, 2020, PCT No. PCT/KR2020/002470
§ 371(c)(1), (2) Date Feb. 10, 2021,
PCT Pub. No. WO2020/171626, PCT Pub. Date Aug. 27, 2020.
Claims priority of application No. 10-2019-0020507 (KR), filed on Feb. 21, 2019.
Prior Publication US 2021/0313631 A1, Oct. 7, 2021
Int. Cl. H01M 10/48 (2006.01); G01N 23/046 (2018.01); H01M 10/42 (2006.01); H01M 10/653 (2014.01); H01M 50/211 (2021.01); H01M 50/224 (2021.01); H01M 50/227 (2021.01); H01M 50/229 (2021.01); H01M 50/231 (2021.01); H01M 50/233 (2021.01)
CPC H01M 10/488 (2013.01) [G01N 23/046 (2013.01); H01M 10/4285 (2013.01); H01M 10/48 (2013.01); H01M 10/653 (2015.04); H01M 50/211 (2021.01); H01M 50/224 (2021.01); H01M 50/227 (2021.01); H01M 50/229 (2021.01); H01M 50/231 (2021.01); H01M 50/233 (2021.01); G01N 2223/419 (2013.01)] 8 Claims
OG exemplary drawing
 
1. A battery module comprising:
a module frame including a lower plate and a side wall defining an internal space;
a battery cell stack disposed in the internal space of the module frame and including a plurality of battery cells that are stacked to be adjacent to each other side by side; and
a resin layer disposed between the lower plate and the battery cell stack and including a detection agent,
wherein the lower plate includes at least one injection hole, and
wherein the detection agent is a contrast agent detectable through a solid portion of the lower plate without an optical observation of the resin layer.