公开(公告)号：US20240380038A1

公开(公告)日：2024-11-14

申请号：US18779131

申请日：2024-07-22

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Xing CHENG ,  Wei CHEN ,  Yongbin WU ,  Shaojun NIU

IPC: H01M50/169 ,  H01M50/107 ,  H01M50/152 ,  H01M50/213

Abstract: The present application relates to a cylindrical cell, a battery, and a power consuming device, and belongs to the field of battery manufacturing technology. The present application provides a cylindrical cell, comprising: a housing, the housing having an opening at an end in a first direction; and an end cap, covering the opening; wherein the housing comprises a side wall, the side wall comprises a first wall portion and a second wall portion disposed in the first direction, the second wall portion is located on a side of the first wall portion close to the opening, the second wall portion has a thickness greater than the thickness of the first wall portion, and the second wall portion is welded to the end cap.