BATTERY MODULE

A battery module is disclosed. The battery module includes a battery cell assembly including a plurality of battery cells; a case assembly accommodating the battery cell assembly; the case assembly including a top case positioned on the battery cell assembly; and a bus bar assembly including a bus b...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: LEE, Eung Ho, YOON, Hwa Kyoo, NAM, Deok Ho, YOON, Jun Seo, KIM, Tae Hyeon
Format: Patent
Sprache:eng
Schlagworte:
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Beschreibung
Zusammenfassung:A battery module is disclosed. The battery module includes a battery cell assembly including a plurality of battery cells; a case assembly accommodating the battery cell assembly; the case assembly including a top case positioned on the battery cell assembly; and a bus bar assembly including a bus bar unit electrically connecting the plurality of battery cells, a connection frame connected to the bus bar unit and positioned under the top case, and an expansion sheet positioned between the connection frame and the top case. When a heat is applied to the expansion sheet and a temperature of the expansion sheet is higher than or equal to a predetermined temperature, the expansion sheet expands toward the top case.