Stromkollektor, Batteriezelle damit und Verfahren zur Herstellung davon

Details

Veröffentlichungs-Nr.

EP4734267

Anmeldetag

22. Oktober 2025

Veröffentlichung

29. April 2026

Rechtsraum

EP

Abstract

A battery cell includes an electrode assembly including an electrode tab, a cell case accommodating the electrode assembly, a cap plate coupled to the cell case, an electrode terminal disposed on the cap plate, and a current collector including a terminal connection portion electrically connected to the electrode terminal and a tab connection portion electrically connected to the electrode tab. The tab connection portion includes a step portion recessed toward the electrode assembly, and the electrode tab is bent to cover an outer surface of the step portion and then welded to the step portion on the outer surface of the step portion.

Anmelder

Firma

SK On Co., Ltd.

Land

🇰🇷 Südkorea