US 12,068,495 B2
Battery module
Seo Roh Rhee, Daejeon (KR); Seung Hoon Ju, Daejeon (KR); Sol San Son, Daejeon (KR); Ha Chul Jeong, Daejeon (KR); Yang Kyu Choi, Daejeon (KR); and Ha Neul Choi, Daejeon (KR)
Assigned to SK ON CO., LTD., Seoul (KR)
Filed by SK Innovation Co., Ltd., Seoul (KR)
Filed on Mar. 5, 2021, as Appl. No. 17/193,133.
Claims priority of application No. 10-2020-0027909 (KR), filed on Mar. 5, 2020.
Prior Publication US 2021/0280937 A1, Sep. 9, 2021
Int. Cl. H01M 50/244 (2021.01); H01M 50/209 (2021.01); H01M 50/342 (2021.01)
CPC H01M 50/244 (2021.01) [H01M 50/209 (2021.01); H01M 50/3425 (2021.01); H01M 2200/10 (2013.01); H01M 2200/20 (2013.01)] 12 Claims
OG exemplary drawing
 
1. A battery module comprising:
a plurality of secondary battery cells; and
a housing unit having an internal space in which the plurality of secondary battery cells are accommodated and including a plate member extending a flame or gas path,
wherein the plate member includes:
a first plate portion and a second plate portion facing each other in a first direction; and
a core portion comprising a plurality of unit column portions disposed between the first plate portion and the second plate portion and an opening portion formed on each of the plurality of unit column, the plurality of unit column portions disposed in a direction perpendicular to the first direction and communicated with each other through the opening portion,
wherein the plurality of unit column portions comprises:
a first unit column portion communicated with the flame or gas path;
a plurality of second unit column portions disposed along a circumference of the first unit column portion; and
a plurality of third unit column portion disposed along a circumference of each of the plurality of second unit column portion,
wherein the first unit column portion has an opening portion communicating with the plurality of second unit column portions, and wherein each of the plurality of second column portions has an opening portion communicating with the plurality of third unit column potions, and
wherein the opening portion of the first column portion and the opening portion of each of the plurality of second column portions are formed on each surface not to face each other in the direction perpendicular to the first direction to dissipate a flame or gas.