Sekundärbatterie und Batteriepack

Details

Veröffentlichungs-Nr.

EP4769683

Anmeldetag

15. Dezember 2025

Veröffentlichung

1. Juli 2026

Rechtsraum

EP

Abstract

A secondary battery (100) and a battery pack (1002) are provided. The secondary battery (100) includes: an outer shell including a housing (110) and a cover plate (140) covering an opening (113) formed at an end of housing (110); an electrode assembly (130) accommodated in the outer shell and including a first electrode sheet, a separator (132), and a second electrode sheet, the first electrode sheet has a first electrode tab (300) facing the cover plate (140); a current collector plate (150) disposed between the cover plate (140) and the electrode assembly (130), and including a main body (152) welded to the first electrode tab (300) and a weld block (154) welded to the cover plate (140), a thermal conductivity coefficient of the weld block (154) is W1, a thermal conductivity coefficient of the main body (152) is W2, and W2 is greater than W1.

Anmelder

Firma

AESC Japan Ltd.

Land

🇯🇵 Japan