Kathodenaktivmaterial, Verfahren zur Herstellung davon und Kathode und Lithiumsekundärbatterie damit

Details

Veröffentlichungs-Nr.

EP4787485

Anmeldetag

30. Oktober 2024

Veröffentlichung

8. Mai 2025

Rechtsraum

EP

Abstract

The present invention relates to a positive electrode active material having a uniform particle diameter, thereby being capable of improving capacity, initial efficiency, lifespan, and resistance performance of a battery, wherein the positive electrode active material includes a lithium nickel cobalt manganese-based oxide in the form of a single particle doped with Zr and Y, and has a polydispersity index (PDI) value of 1.0 to 2.0 according to Equation 1 described in the present invention, a preparation method thereof, and a positive electrode and a lithium secondary battery including the positive electrode active material.

Anmelder

Firma

LG Chem, Ltd.

Land

🇰🇷 Südkorea