Battery cell, battery and electronic equipment

• Main Authors: CHEN ZHIYONG, ZHANG ZHIZE
• Format: Patent
• Language: Chinese; English
• Published: 31.05.2024
• Subjects: BASIC ELECTRIC ELEMENTS; ELECTRICITY; PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY

The embodiment of the utility model provides a battery cell, a battery and electronic equipment. The battery cell comprises a pole piece blank part, and the pole piece blank part is positioned on one side of the axial direction of the battery cell; the pole piece blank part comprises a plurality of pole piece blank layers, the plurality of pole piece blank layers are arranged in the radial direction of the battery cell, and the width direction of each pole piece blank layer is consistent with the axial direction of the battery cell; the battery cell further comprises a current collecting part, a part of the current collecting part is arranged between the adjacent pole piece blank layers, the current collecting part is of an integrated structure, the current collecting part is configured to lead out current, and the current collecting part is welded with the adjacent pole piece blank layers through a welding part. 本申请实施例提供了一种电芯、电池和电子设备。所述电芯包括极片留白部，所述极片留白部位于所述电芯的轴向方向的一侧；所述极片留白部包括多圈层极片留白层，多圈层所述极片留白层在所述电芯的径向方向排布且