Sekundärbatterie und Elektronische Vorrichtung

Details

Veröffentlichungs-Nr.

EP4738495

Anmeldetag

27. Juni 2024

Veröffentlichung

2. Januar 2025

Rechtsraum

EP

Abstract

This application discloses a secondary battery and an electronic device, including a housing, an electrode assembly, a first adhesive member, and a second adhesive member. The electrode assembly is disposed within the housing, and the electrode assembly includes a first electrode plate, a separator, and a second electrode plate that are stacked and wound. The first electrode plate includes a first segment, the first segment constitutes an outermost portion of the electrode assembly, and the first segment has a first surface facing a winding central axis and a second surface facing away from the winding central axis. Along the winding direction of the first segment, the first segment includes a terminating segment, where a first surface and a second surface of the terminating segment are blank foil regions. At least part of the first adhesive member is bonded to the first surface of the terminating segment. The second adhesive member is disposed on the second surface of the terminating segment and bonds the second surface of the terminating segment to the housing. Along a direction perpendicular to the first surface, a projection of the second adhesive member partially overlaps a projection of the first adhesive member. For the secondary battery of this application, a risk of failure due to dropping or collision is reduced.

Anmelder

Firma

Ningde Amperex Technology Limited

Land

🇨🇳 China