Positivelektrode und Lithiumsekundärbatterie damit

Details

Veröffentlichungs-Nr.

EP4773218

Anmeldetag

26. September 2025

Veröffentlichung

2. April 2026

Rechtsraum

EP

Abstract

The present invention relates to a positive electrode comprising a current collector, and a positive electrode active material layer disposed on the current collector, wherein the positive electrode active material layer comprises a positive electrode active material, a conductive material, and a binder, the positive electrode active material comprises a lithium iron phosphate-based compound, the conductive material comprises carbon black, and a value of R represented by Equation 1 below is 500 to 1300, and a lithium secondary battery comprising the same. R = {[Oxygen content value of conductive material] x [BET specific surface area value of conductive material]} / [Average particle diameter (D<50>) value of positive electrode active material] <img class="EMIRef" id="3b1456be-ebcd-48e2-93a8-3999c67ad481-ia01" /> In Equation 1, the oxygen content value (at%) of conductive material, the BET specific surface area value (m<2>/g) of conductive material, and the average particle diameter (D<50>) value (µm) of positive electrode active material are unitless numbers with the units omitted.

Anmelder

Firma

LG Energy Solution, Ltd.

Land

🇰🇷 Südkorea