Separator und Herstellungsverfahren Dafür, Sekundärbatterie und Elektrische Vorrichtung

Details

Veröffentlichungs-Nr.

EP4712247

Anmeldetag

31. Mai 2023

Veröffentlichung

5. Dezember 2024

Rechtsraum

EP

IPC

H01M50/40

Abstract

Embodiments of the present application provide a separator, a preparation method thereof, a secondary battery, and an electric apparatus. The separator includes a first base film, a coating, and a second base film, where the coating is disposed between the first base film and the second base film, the coating includes an ion-trapping agent, and a reduction potential of the ion-trapping agent relative to lithium metal is 0 V to 2 V. A secondary battery containing the separator exhibits improved cycling performance.

Anmelder

Firma

Contemporary Amperex Technology Co., Limited

Land

🇨🇳 China

Fachgebiete