公开(公告)号：US20240421285A1

公开(公告)日：2024-12-19

申请号：US18817518

申请日：2024-08-28

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Tao ZHANG ,  Jianfu HE ,  Qian LIU ,  Yonghuang YE ,  Chen CUI

IPC: H01M4/36 ,  H01M4/02 ,  H01M50/102

Abstract: The present application provides a battery cell, a battery and an electrical apparatus, which belong to the technical field of batteries. The battery cell includes a case and at least three electrode assemblies; a cavity is defined in the case, the cavity includes a first region and a second region, the first region is closer to the case than the second region, a polarization parameter of a single electrode assembly located in the first region is PA, a polarization parameter of a single electrode assembly located in the second region is PB, and PA