Positivelektrodenaktivmaterial, Verfahren zur Herstellung davon und Positivelektrode und Lithiumsekundärbatterie damit

Details

Veröffentlichungs-Nr.

EP4742324

Anmeldetag

6. August 2024

Veröffentlichung

27. Februar 2025

Rechtsraum

EP

Abstract

The present invention relates to a positive electrode active material that may improve the performance of a lithium secondary battery, and relates to a positive electrode active material comprising a lithium-rich manganese-based oxide comprising a Li₂MnO₃ phase and a LiMO₂ (where M is an element comprising Ni, Mn or a combination thereof) phase at the same time, wherein the lithium-rich manganese-based oxide has a composition represented by Formula 1 described in the present description, a method for preparing the same, and a positive electrode and a lithium secondary battery comprising the same.

Anmelder

Firma

LG Chem, Ltd.

Land

🇰🇷 Südkorea