Kathodenaktivmaterial, Herstellungsverfahren dafür sowie Kathode und Lithiumsekundärbatterie damit

Details

Veröffentlichungs-Nr.

EP4787469

Anmeldetag

1. November 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, and having a nickel (Ni) content of 50 mol% or greater among all metals excluding lithium, and a coating layer comprising aluminum (Al) and tungsten (W) formed on the lithium composite transition metal oxide, 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