Batteriezelle, Batterie und Elektrische Vorrichtung

Details

Veröffentlichungs-Nr.

EP4832237

Anmeldetag

3. Januar 2024

Veröffentlichung

10. Juli 2025

Rechtsraum

EP

IPC

H01M50/593

Abstract

A cell (20), a battery (100), and an electric device. The cell (20) includes a can (21), an electrode assembly (22), a first insulating member (23), and a second insulating member (24). The can (21) shares a first wall portion (213). The electrode assembly (22) is accommodated in the can (21). The electrode assembly (22) includes a first electrode lead-out portion (222) and a main portion (221). The first electrode lead-out portion (222) is arranged at an end of the main portion (221) facing the first wall portion (213) along a first direction. Along the first direction, the first insulating member (23) is arranged on a surface of the first wall portion (213) facing the electrode assembly (22). The first insulating member (23) is configured to insulate and isolate the first electrode lead-out portion (222) from the first wall portion (213). At least a part of the second insulating member (24) is arranged between the first electrode lead-out portion (222) and the first wall portion (213) along the first direction. A material damage temperature of the second insulating member (24) is higher than a material damage temperature of the first insulating member (23). The second insulating member (24) can insulate and isolate the first electrode lead-out portion (222) from the first wall portion (213) when the first insulating member (23) melts. After the first insulating member (23) melts, the second insulating member (24) can further implement insulation and isolation functions, to reduce a risk of a short circuit and improve reliability of a battery.

Anmelder

Firma

Contemporary Amperex Technology Co., Limited

Land

🇨🇳 China

Fachgebiete