Gasentladungsfilm, Sekundärbatteriegehäuse, Sekundärbatterie, Verfahren zur Herstellung des Gasentladungsfilms und Verfahren zur Herstellung des Sekundärbatteriegehäuses

Details

Veröffentlichungs-Nr.

EP4773382

Anmeldetag

30. Oktober 2024

Veröffentlichung

8. Mai 2025

Rechtsraum

EP

IPC

H01M50/30, H01M50/211

Abstract

The present disclosure relates to a gas discharge film having excellent gas discharge performance and capable of being manufactured efficiently. A gas discharge film according to the present disclosure is configured to cover an opening formed in an exterior material of a secondary battery and discharge internal gas of the exterior material, and the gas discharge film may include an adhesive layer having adhesiveness by heat and having a through hole formed therein; and a permeable layer laminated to one surface of the adhesive layer to cover the through hole and having a higher gas permeability than the adhesive layer, wherein the permeable layer may have the same thickness as the adhesive layer or may be formed thicker than the adhesive layer.

Anmelder

Firma

LG Energy Solution, Ltd.

Land

🇰🇷 Südkorea

Fachgebiete