Battery module having flame arresting structure, battery pack, vehicle and energy storage system comprising the same

A battery module includes a sub module including a plurality of battery cells, a lower housing to receive the sub module therein and having an opening, a first housing cover coupled to the lower housing, covering the opening of the lower housing, and having a gas inlet, a second housing cover couple...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: Choi, Yong-Seok, Choi, Jee-Soon, Kang, Dal-Mo, Ryu, Sang-Woo
Format: Patent
Sprache:eng
Schlagworte:
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Beschreibung
Zusammenfassung:A battery module includes a sub module including a plurality of battery cells, a lower housing to receive the sub module therein and having an opening, a first housing cover coupled to the lower housing, covering the opening of the lower housing, and having a gas inlet, a second housing cover coupled to the first housing cover from above to form a gas receiving space therebetween, and having a gas outlet, and a variable partition structure using hinges installed in the gas receiving space to partition the gas receiving space to define a gas exhaust path to increase a movement path of a flame entering together with gas occurred in the sub module and entering the gas receiving space through the gas inlet.