BATTERY PACK WITH IMPROVED SAFETY

A battery pack according to one embodiment of the present disclosure includes a cell module assembly including a battery cell stack in which a plurality of battery cells are stacked; a pack case configured so as to house the cell module assembly and opened at its upper surface; and a fire-fighting t...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	KIM, Kiyoun, MOON, Jeong Oh, LEE, Seongju, LEE, Jaeki, PARK, Gidong, AHN, Jong Kyu, KIM, Hyeon Kyu, YUN, Youngwon
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BASIC ELECTRIC ELEMENTS ELECTRICITY FIRE-FIGHTING HUMAN NECESSITIES LIFE-SAVING PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
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Beschreibung
Zusammenfassung:	A battery pack according to one embodiment of the present disclosure includes a cell module assembly including a battery cell stack in which a plurality of battery cells are stacked; a pack case configured so as to house the cell module assembly and opened at its upper surface; and a fire-fighting tank located above the cell module assembly and covering the pack case, wherein the fire-fighting tank comprises: an internal space that houses the fire extinguishing agent; and a plurality of fragile parts that are parts where the thickness of the base plate of the fire-fighting tank is relatively thin, and are melted and opened by a thermal event of the battery cell.