Kathodenaktivmaterial, Verfahren zur Herstellung davon und Kathode und Lithiumsekundärbatterie damit

Details

Veröffentlichungs-Nr.

EP4787486

Anmeldetag

31. Oktober 2024

Veröffentlichung

8. Mai 2025

Rechtsraum

EP

Abstract

The present invention relates to a positive electrode active material capable of enhancing the performance of a lithium secondary battery, the positive electrode active material including a lithium composite transition metal oxide in the form of a single particle formed of 10 or fewer primary particles, wherein the lithium composite transition metal oxide has a nickel (Ni) content of 50 mol% or greater among all metals excluding lithium, and includes yttrium (Y) and zirconium (Zr), and the primary particles have an average particle size (D'<50>) of 2.0 µm to 3.5 µm, a method for preparing the same, and a positive electrode and a lithium secondary battery which include the same.

Anmelder

Firma

LG Chem, Ltd.

Land

🇰🇷 Südkorea