Batteriezelle, Batterie und Elektrische Vorrichtung

Details

Veröffentlichungs-Nr.

EP4822803

Anmeldetag

14. August 2024

Veröffentlichung

11. September 2025

Rechtsraum

EP

Abstract

The present application relates to a battery cell, a battery, and an electric device. The battery cell comprises: an electrolyte solution, the electrolyte solution containing an electrolyte salt, and the electrolyte salt comprising a salt capable of releasing free halogen ions during use of the battery cell; and a positive electrode sheet, the positive electrode sheet comprising a composite current collector and a positive electrode film layer provided on at least one side of the composite current collector, wherein the composite current collector comprises a supporting layer and a metal layer arranged on at least one side of the supporting layer, a protective layer is arranged on at least one side of the metal layer, and the protective layer comprises a metal oxide. The battery cell can achieve both good service life and power performance.

Anmelder

Firma

Contemporary Amperex Technology Co., Limited

Land

🇨🇳 China