BATTERY END COVER ASSEMBLY, BATTERY CELL, BATTERY AND ELECTRIC DEVICE

The present disclosure discloses a battery end cover assembly, a battery cell, a battery, and an electrical device. The battery end cover assembly (13) includes an end cover (20) having a liquid injection hole (21) penetrating along a first direction (z), the liquid injection hole (21) includes a fi...

Ausführliche Beschreibung

Gespeichert in:

Bibliographische Detailangaben
Hauptverfasser:	LIN, Wenfa, SHANG, Zhitong, YU, Mingxi, CHEN, Congsheng, WEN, Yaoling
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BASIC ELECTRIC ELEMENTS ELECTRICITY PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
Online-Zugang:	Volltext bestellen
Tags:	Tag hinzufügen Keine Tags, Fügen Sie den ersten Tag hinzu!

Beschreibung
Zusammenfassung:	The present disclosure discloses a battery end cover assembly, a battery cell, a battery, and an electrical device. The battery end cover assembly (13) includes an end cover (20) having a liquid injection hole (21) penetrating along a first direction (z), the liquid injection hole (21) includes a first hole segment (211) and a second hole segment (212) divided along the first direction (z); the cross-sectional area of the first hole segment (211) is larger than the cross-sectional area of the second hole segment (212); a stepped surface (213) is formed between the first hole segment (211) and the second hole segment (212); and the stepped surface (213) includes a first inclined surface (213a) inclined toward the second hole segment (212) along the first direction (z).