Lithium Ion Battery and Electric Car with the Same

A lithium ion battery and an electric vehicle with the same are provided. The lithium ion battery includes a cover plate assembly and a battery cell assembly, the cover plate assembly includes a pole and a polarity connecting piece, the pole is connected with the polarity connecting piece, the batte...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: ZHAN, Shiying, DENG, Saijun, LI, Haijun, XU, Delei, CHENG, Ahong, JIANG, Shiyong
Format: Patent
Sprache:eng
Schlagworte:
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Beschreibung
Zusammenfassung:A lithium ion battery and an electric vehicle with the same are provided. The lithium ion battery includes a cover plate assembly and a battery cell assembly, the cover plate assembly includes a pole and a polarity connecting piece, the pole is connected with the polarity connecting piece, the battery cell assembly is provided with a battery cell tab assembly, and the pole is connected and conducted with the battery cell tab assembly through the polarity connecting piece. As a hard connection, the polarity connecting piece is directly or indirectly connected with the battery cell tab assembly. The polarity connecting piece is in interference fit with the pole for laser welding, so that the connection reliability is high, the overcurrent capability is strong, and electronic conduction is easy.