Kathodenaktivmaterialvorläufer für eine Lithiumsekundärbatterie, Verfahren zur Herstellung Davon, Kathodenaktivmaterial für eine Lithiumsekundärbatterie und Lithiumsekundärbatterie

Details

Veröffentlichungs-Nr.

EP4748795

Anmeldetag

7. November 2025

Veröffentlichung

27. Mai 2026

Rechtsraum

EP

Abstract

A cathode active material precursor for a lithium secondary battery according to embodiments of the present disclosure includes first cathode active material precursor particles, each comprising a core portion and a shell portion, the core portion and the shell portion each comprising one or more transition metals including nickel, and second cathode active material precursor particles comprising one or more transition metals including nickel. A molar fraction of nickel among the transition metals of the second cathode active material precursor particles is uniform throughout the entirety of each of the the second cathode active material precursor particles. A median particle diameter (D₅₀) of the core portion of the first cathode active material precursors particles is greater than a median particle diameter (D₅₀) of the second cathode active material precursor particles.

Anmelder

Firma

SK On Co., Ltd.

Land

🇰🇷 Südkorea