Elektrodenanordnung und Batteriezelle damit

Details

Veröffentlichungs-Nr.

EP4715923

Anmeldetag

18. September 2025

Veröffentlichung

25. März 2026

Rechtsraum

EP

Abstract

An electrode assembly includes a first electrode, a second electrode, and a separator located between the first electrode and the second electrode. The first electrode, the second electrode, and the separator are wound in a roll shape. The first electrode includes a first coated portion in which a first active material is coated on a first current collector, and a first uncoated portion adjacent to the first coated portion and formed at one side of the first current collector. The first uncoated portion includes a plurality of cut portions each open to an outside and a plurality of flags partitioned by the plurality of cut portions. A length of each of the plurality of cut portions increases in at least one or more sections in a radial direction from a winding center.

Anmelder

Firma

SK On Co., Ltd.

Land

🇰🇷 Südkorea