Elektrodenanordnung und Herstellungsverfahren und -Vorrichtung, Batteriezelle, Batterie und Elektrische Vorrichtung

Details

Veröffentlichungs-Nr.

EP4756956

Anmeldetag

26. November 2021

Veröffentlichung

10. Juni 2026

Rechtsraum

EP

IPC

H01M10/04

Abstract

The embodiments of this disclosure provide an electrode assembly and manufacturing method and device, battery cell, battery, electric device, the electrode assembly is used for a battery cell (100) and includes: a first electrode sheet (1) and a second electrode sheet (2) of opposite polarities, wherein the first electrode sheet (1) and the second electrode sheet (2) both include a main body (11) and at least one tab group (12), the first electrode sheet (1) and the second electrode sheet (2) are winded around a winding axis (K) such that their respective main bodies (11) overlap to form a winding body (S), and after the main bodies (11) have been winded a plurality of electrode sheet layers (111) are formed along a radial direction of the winding main body (S); wherein, the tab group (12) includes a plurality of stacked tabs (12') which protrude from the main body (11), and at least two adjacent tabs (12') in the tab group (12) are separated by at least one electrode sheet layer (111) of same polarity in the radial direction.

Anmelder

Firma

CONTEMPORARY AMPEREX TECHNOLOGY (HONG KONG) LIMITED

Land

🇭🇰 Hongkong

Fachgebiete