Lithiumsekundärbatterie

Details

Veröffentlichungs-Nr.

EP4769619

Anmeldetag

1. Oktober 2025

Veröffentlichung

16. April 2026

Rechtsraum

EP

Abstract

The present disclosure relates to a lithium secondary battery including a positive electrode; a negative electrode facing the positive electrode; a separator disposed between the positive electrode and the negative electrode; and a non-aqueous electrolyte, wherein the positive electrode includes a first positive electrode active material and a second positive electrode active material, the first positive electrode active material includes lithium iron phosphate represented by Formula 1, the second positive electrode active material includes lithium nickel cobalt manganese oxide, and the non-aqueous electrolyte includes a lithium salt; a first solvent; and a second solvent, wherein the first solvent is a non-fluorinated carbonate organic solvent, and the second solvent is a compound represented by Formula 2, wherein a ratio (A/B) of a weight (A) of the first solvent to a weight (B) of the second solvent may be 0.67 or less.

Anmelder

Firma

LG ENERGY SOLUTION, LTD.

Land

🇰🇷 Südkorea