公开(公告)号：US20220416375A1

公开(公告)日：2022-12-29

申请号：US17894015

申请日：2022-08-23

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO.,LIMITED

Inventor： Haizu JIN ,  Xinzhan Wu ,  Zhenhua Li ,  Kaijie You ,  Wenei Chen

IPC: H01M50/54

Abstract: This application provides a battery cell, a battery, and an electric apparatus. The battery cell includes: an electrode assembly, including a body portion and a first tab. A first size L1 of the body portion in a length direction thereof is greater than a second size L2 of the body portion in a width direction thereof. The first tab is located on at least one end of the body portion in the width direction. The first tab has a third size L3 in the length direction. The first size L1, the second size L2, and the third size L3 satisfy 0.5L2≤L3≤L1. The battery cell according to an embodiment of this application is intended to resolve a technical problem of severe heat generation by a tab.