Sekundärbatterie und Batteriepack damit

Details

Veröffentlichungs-Nr.

EP4765348

Anmeldetag

4. August 2025

Veröffentlichung

12. Februar 2026

Rechtsraum

EP

Abstract

The present disclosure relates to a secondary battery. A secondary battery according to an aspect of the present disclosure may include an electrode assembly extending in a first direction; a cap including a cover portion disposed on one side of the electrode assembly in the first direction and an extension portion extending from the cover portion toward the electrode assembly; and an exterior film surrounding the electrode assembly and coupled to the extension portion. The exterior film may include an accommodating portion that circumferentially surrounds the electrode assembly; a rim portion provided on one side of the accommodating portion in the first direction; and a coupling portion provided between the accommodating portion and the rim portion, coupled to the extension portion, and located at a predetermined first distance (d1) from a reference surface among outer surfaces of the cover portion, the reference surface facing the first direction.

Anmelder

Firma

LG Energy Solution, Ltd.

Land

🇰🇷 Südkorea