Lithiumsekundärbatterie

Details

Veröffentlichungs-Nr.

EP4734206

Anmeldetag

23. Oktober 2024

Veröffentlichung

1. Mai 2025

Rechtsraum

EP

Abstract

Provided is a lithium secondary battery including a negative electrode including a negative electrode current collector and a negative electrode active material layer formed on the negative electrode current collector, a positive electrode, and an electrolyte including a lithium salt, an organic solvent, and an additive, wherein the negative electrode active material layer includes Si as a negative electrode active material, the organic solvent contains fluoroethylene carbonate, and Z below has a value of 0.1 to 0.2. z=X/YThe X above is a content (wt%) of Si with respect to the total weight of the negative electrode active material included in the negative electrode active material layer, and the Y above is a content (wt%) of fluoroethylene carbonate with respect to the total weight of the electrolyte, after the lithium secondary battery is activated.

Anmelder

Firma

LG Energy Solution, Ltd.

Land

🇰🇷 Südkorea