Sekundärbatterie und Verfahren zur Herstellung davon

Details

Veröffentlichungs-Nr.

EP4742426

Anmeldetag

29. September 2025

Veröffentlichung

13. Mai 2026

Rechtsraum

EP

IPC

H01M50/533, H01M50/54

Abstract

A secondary battery includes an electrode assembly comprising a plurality of electrode plates and a plurality of separators between the plurality of electrode plates, the plurality of electrode plates comprising first tabs and second tabs, and each of the plurality of electrode plates comprises a coating part coated with an active material, a current collector electrically connected to the first tabs and the second tabs, and a case accommodating the electrode assembly, wherein the current collector includes a first section to which the first tabs are connected, and the first section includes a first sub-section to which a portion of the first tabs is welded in an initially bent state and a second sub-section to which a remaining portion of the first tabs is welded in a secondarily bent state.

Anmelder

Firma

SAMSUNG SDI CO., LTD.

Land

🇰🇷 Südkorea