Wiederaufladbare Batterie und Verfahren zur Herstellung einer Wiederaufladbaren Batterie

Details

Veröffentlichungs-Nr.

EP4797415

Anmeldetag

23. Januar 2026

Veröffentlichung

26. August 2026

Rechtsraum

EP

IPC

H01M50/342

Abstract

A rechargeable battery includes: an electrode assembly; a can accommodating the electrode assembly in an internal space and including an opening at one side; and a cover portion coupled to the can at the opening, wherein the cover portion comprises a vent comprising metal, wherein the vent comprises a first region and a second region surrounding the first region, wherein the first region includes: a first portion extending in a first direction; and a second portion extending in a second direction intersecting the first direction and crossing the first portion at an intersection area, and wherein an average grain size of a microstructure of the metal in the first region is larger than an average grain size of a microstructure of the metal in the second region.

Anmelder

Firma

SAMSUNG SDI CO., LTD.

Land

🇰🇷 Südkorea

Fachgebiete