Batteriezelle, Batterie und Elektrische Vorrichtung

Details

Veröffentlichungs-Nr.

EP4723340

Anmeldetag

24. November 2023

Veröffentlichung

6. März 2025

Rechtsraum

EP

Abstract

Embodiments of the present application provide a battery cell, a battery, and a power consuming device, and belongs to the field of battery technologies. The battery cell includes a housing and an electrode assembly. The housing includes a first half region and a second half region. Along a length direction of the housing, a part from a middle section of the housing to an end of the housing is the first half region, a part from the middle section of the housing to the other end of the housing is the second half region, a length of the housing is L, L≥80 mm, and the middle section is perpendicular to the length direction. The electrode assembly is accommodated in the housing. The electrode assembly includes a body portion and a tab, at least one end of the body portion along the length direction is provided with the tab, a part of the body portion is located in the first half region, and the other part of the body portion is located in the second half region. The first half region and the second half region are each provided with at least one pressure relief mechanism, the body portion is provided with a central hole, along the length direction, the central hole runs through the body portion, and the central hole is configured to communicate an internal space of the first half region with an internal space of the second half region. The reliability of the battery cell can be effectively improved.

Anmelder

Firma

Contemporary Amperex Technology Co., Limited

Land

🇨🇳 China