Lithiumsekundärbatterie

Details

Veröffentlichungs-Nr.

EP4718526

Anmeldetag

8. Mai 2024

Veröffentlichung

28. November 2024

Rechtsraum

EP

Abstract

A lithium secondary battery according to embodiments of the present disclosure comprises: a positive electrode containing a first positive electrode active material; and a negative electrode containing a silicon-based active material, wherein the first positive electrode active material comprises: lithium-nickel metal oxide particles; and a coating layer disposed on the surface of the lithium-nickel metal oxide particles and including at least one selected from the group consisting of a lithium-phosphorus-containing compound, a lithium-sulfur-containing compound, a lithium-tungsten-containing compound, and a lithium-aluminum-containing compound. The lithium secondary battery of the present disclosure can achieve improvements in high-temperature lifespan characteristics and rapid charge/discharge lifespan characteristics and a reduction in the amount of gas generated.

Anmelder

Firma

SK On Co., Ltd.

Land

🇰🇷 Südkorea