Batteriezelle, Batterie und Elektrische Vorrichtung

Details

Veröffentlichungs-Nr.

EP4773352

Anmeldetag

14. März 2024

Veröffentlichung

8. Mai 2025

Rechtsraum

EP

Abstract

Disclosed in the present application are a battery cell, a battery and an electrical apparatus. The battery cell comprises an electrode assembly and a casing; the electrode assembly comprises a main body part and a first tab, the first tab extending out of one end of the main body part in a first direction; the casing is provided with an accommodation cavity, the electrode assembly being arranged in the accommodation cavity; the casing is provided with a first through hole and a second through hole, the portion of the accommodation cavity located on the side of the first tab is communicated with the first through hole, and the portion of the accommodation cavity located on the side of the main body part facing away from the first tab is communicated with the second through hole, the first through hole being used for injection of an electrolyte; in the axial direction of the first through hole, both the first tab and the main body part do not overlap the first through hole. The present application can improve the cycle performance of battery cells.

Anmelder

Firma

Contemporary Amperex Technology Co., Limited

Land

🇨🇳 China