Schweissvorrichtung für die Obere Kappe einer Zylindrischen Batteriezelle und Schweissverfahren für die Obere Kappe einer Zylindrischen Batteriezelle damit

Details

Veröffentlichungs-Nr.

EP4782142

Anmeldetag

29. September 2025

Veröffentlichung

11. Juni 2026

Rechtsraum

EP

Abstract

Disclosed are a top cap welding apparatus for cylindrical battery cells, the top cap welding apparatus including a transfer unit configured to transfer a cylindrical battery case in which an electrode assembly having an outwardly exposed electrode tab is received, a pressing unit located in front of the battery case, the pressing unit being configured to press the battery case, a support unit located at the rear of the battery case, the support unit being configured to support the battery case, a top cap holder configured to locate a top cap at the rear of the electrode tab, a top cap support unit configured to support the rear of the top cap, and a welding unit configured to weld the electrode tab and the top cap to each other, wherein the welding unit includes a temperature adjustment unit configured to control the temperature of a welding mask configured to bring the electrode tab into tight contact with the top cap such that the temperature does not rise to a predetermined temperature or higher, and a top cap welding method for cylindrical battery cells using the same.

Anmelder

Firma

LG ENERGY SOLUTION, LTD.

Land

🇰🇷 Südkorea