Sekundärbatterietasche

Details

Veröffentlichungs-Nr.

EP3944404

Aktenzeichen

EP21186982

Anmeldetag

21. Juli 2021

Veröffentlichung

26. Januar 2022

Rechtsraum

EP

IPC

H01M50/105H01M50/183H01M50/126H01M50/342H01M10/42

Abstract

Proposed is a secondary battery pouch. A secondary battery pouch according to an embodiment of the present disclosure includes a sealing portion formed at an outside of the secondary battery pouch constituting a battery cell and configured to seal an inner space of the secondary battery pouch. The sealing portion includes: a first fusion portion having a smallest thickness in the sealing portion; and a second fusion portion having a largest thickness in the sealing portion. The first fusion portion and the second fusion portion are continuously formed at least one time alternately in a direction from an innermost side of the sealing portion in contact with the inner space of the secondary battery pouch to an outer side of the sealing portion.

Anmelder

Firmen

SK On Co., Ltd.
SK Innovation Co., Ltd.

Land

🇰🇷 Südkorea

Fachgebiete