Batteriezelle, Batterie und Elektrische Vorrichtung

Details

Veröffentlichungs-Nr.

EP4811488

Anmeldetag

2. Januar 2024

Veröffentlichung

10. Juli 2025

Rechtsraum

EP

IPC

H01M10/0587, H01M50/595

Abstract

A battery cell (100), a battery (1000), and an electric device (2000). The battery cell (100) comprises: a casing (10); an electrode assembly (20), which is arranged in the casing (10), wherein the electrode assembly (20) comprises an electrode sheet (21) and a separator (22), the electrode sheet (21) and the separator (22) being stacked and then wound to form the electrode assembly (20), and in the direction of winding of the electrode assembly (20), the electrode assembly (20) is provided with a winding tail end (20a); and a buffer member (30), which is arranged in the casing (10), wherein in the direction of stacking of the electrode sheet (21) and the separator (22), the buffer member (30) covers at least part of the winding tail end (20a).

Anmelder

Firma

Contemporary Amperex Technology Co., Limited

Land

🇨🇳 China

Fachgebiete