Sekundärbatterie und Elektrische Vorrichtung

Details

Veröffentlichungs-Nr.

EP4712197

Anmeldetag

29. August 2025

Veröffentlichung

18. März 2026

Rechtsraum

EP

Abstract

A secondary battery includes an electrode assembly (100). The electrode assembly (100) is of a wound structure and includes a positive electrode plate (40), a negative electrode plate (30), a first separator (10), and a second separator (20). The negative electrode plate (30) is provided between the first separator (10) and the second separator (20). The first separator (10) includes an aqueous bonding layer (12), and the second separator (20) includes an oily bonding layer (22). The aqueous bonding layer (12) includes a first binder, and the oily bonding layer (22) includes a second binder.

Anmelder

Firma

Ningde Amperex Technology Ltd.

Land

🇨🇳 China