Positivelektrodenaktivmaterial, Verfahren zur Herstellung davon und Positivelektrode und Lithiumsekundärbatterie damit

Details

Veröffentlichungs-Nr.

EP4787489

Anmeldetag

4. November 2024

Veröffentlichung

8. Mai 2025

Rechtsraum

EP

Abstract

The present invention relates a positive electrode active material comprising: a lithium composite transition metal oxide which is in the form of a single particle composed of 10 or less primary particles and contains nickel at 50 mol% or more of the total metal excluding lithium, wherein the positive electrode active material has a single crystallinity (χ) according to Equation 1 described herein of 0.500 or more and 0.850 or less, and a crystal grain size (D) of 2.00 µm or more and 5.00 µm or less, a method for manufacturing the same, and a positive electrode and a lithium secondary battery comprising the same.

Anmelder

Firma

LG Chem, Ltd.

Land

🇰🇷 Südkorea