Sekundärbatterie und Verfahren zu Ihrer Herstellung

Details

Veröffentlichungs-Nr.

EP4797412

Anmeldetag

9. Januar 2026

Veröffentlichung

26. August 2026

Rechtsraum

EP

Abstract

A secondary battery includes a battery can that accommodates an electrode assembly, a cap assembly connected to the battery can, a vent portion in the cap assembly, the vent portion being configured to open when an internal pressure of the battery can reaches a predetermined threshold, and a diffusion prevention unit on the vent portion, the diffusion prevention unit being expandable in response to pressure of a gas when the gas and flames are released through the vent portion, and the diffusion prevention unit being configured to block the gas and flames from spreading to an outside.

Anmelder

Firma

Samsung SDI Co., Ltd.

Land

🇰🇷 Südkorea