Negativelektrodenaktivmaterial für eine Wiederaufladbare Lithiumbatterie und Wiederaufladbare Lithiumbatterie damit

Details

Veröffentlichungs-Nr.

EP4752954

Anmeldetag

27. November 2025

Veröffentlichung

3. Juni 2026

Rechtsraum

EP

IPC

H01M4/133, // H01M4/36

Abstract

A negative electrode active material for a rechargeable lithium battery and a rechargeable lithium battery including the same are disclosed. A negative electrode active material includes a mixture of a first negative electrode active material and a second negative electrode active material, the first negative electrode active material includes natural graphite including secondary particles in which primary particles are arranged; and a coating layer containing amorphous carbon and surrounding the secondary particles, the first negative electrode active material has an orientation degree of 90 or less and a d002 value of 3.356 Å to 3.360 Å, and the second negative electrode active material includes rod-shaped artificial graphite.

Anmelder

Firma

SAMSUNG SDI CO., LTD.

Land

🇰🇷 Südkorea