BATTERY MODULE, BATTERY PACK, AND ELECTRIC AUTOMOBILE

A battery module according to the present invention includes a plurality of battery cells, a module case including an upper frame located above the plurality of battery cells and in which a plurality of flow holes are formed, a lower frame located below the upper frame and including an accommodating...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	LEE, Chang-Hui
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BASIC ELECTRIC ELEMENTS ELECTRIC EQUIPMENT OR PROPULSION OF ELECTRICALLY-PROPELLEDVEHICLES ELECTRICITY ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES, IN GENERAL MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES PERFORMING OPERATIONS PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY TRANSPORTING VEHICLES IN GENERAL
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Beschreibung
Zusammenfassung:	A battery module according to the present invention includes a plurality of battery cells, a module case including an upper frame located above the plurality of battery cells and in which a plurality of flow holes are formed, a lower frame located below the upper frame and including an accommodating space for accommodating at least a portion of each of the plurality of battery cells, and an upper cover located between the upper frame and the lower frame, located above the plurality of battery cells, and including a plurality of openings configured to expose electrode terminals of the plurality of battery cells, a piezoelectric sensor film located between the upper frame and the upper cover or located outside the upper frame, and configured to generate an electrical signal when pressure is applied by an external force, and a control unit configured to receive the electrical signal generated from the piezoelectric sensor film and analyze whether the battery cells have exploded.