	US 11,984,615 B2
	Battery module with flame or gas discharge path
Seo Roh Rhee, Daejeon (KR); Hae Ryong Jeon, Daejeon (KR); and Gyu Jin Chung, Daejeon (KR)
Assigned to SK ON CO., LTD, Seoul (KR)
Filed by SK ON CO., LTD., Seoul (KR)
Filed on Feb. 23, 2023, as Appl. No. 18/173,420.
Application 18/173,420 is a continuation of application No. 17/225,850, filed on Apr. 8, 2021, granted, now 11,605,861.
Claims priority of application No. 10-2020-0042516 (KR), filed on Apr. 8, 2020.
Prior Publication US 2023/0198090 A1, Jun. 22, 2023
Int. Cl. H01M 50/35 (2021.01); H01M 50/30 (2021.01); H01M 50/383 (2021.01); H01M 50/517 (2021.01)

CPC H01M 50/35 (2021.01) [H01M 50/30 (2021.01); H01M 50/383 (2021.01); H01M 50/517 (2021.01)]

15 Claims

1. A battery module comprising:

a plurality of battery cells; and

a housing having an internal space in which the plurality of battery cells are accommodated,

wherein the housing is at least partially formed of a plate member which is connected with the internal space, and

wherein the plate member forms a flame or gas path which, in an event of a battery cell malfunction generating a flame or gas, is configured to discharge the generated flame or gas externally of the housing,

wherein the plate member includes a plurality of hollow columns neighboring each other,

wherein a unit hollow column of the plurality of hollow columns includes two communication portions formed in at least two column surfaces,

wherein the two communication portions are arranged with different shortest distances to the plurality of battery cells and form the flame or gas path.