公开(公告)号：US20210043912A1

公开(公告)日：2021-02-11

申请号：US16964318

申请日：2019-10-15

Applicant: Contemporary Amperex Technology Co., Limited

Inventor： Baojian ZHU ,  Lei CHEN ,  Shoujiang XU ,  Chunyan FENG

IPC: H01M2/26 ,  H01M2/12 ,  H01M10/0585 ,  H01M2/34

Abstract: This application relates to a top pressing plate, a secondary battery, and a method for manufacturing a secondary battery. The top pressing plate is used for a secondary battery, the secondary battery including a top cover sheet, an insulating separator and an electrode assembly, the electrode assembly including a main body portion and electrode tabs connected to the main body portion, the electrode tabs each including a welding end portion, the top pressing plate includes: a first surface and a second surface provided oppositely in a thickness direction of the top pressing plate and an accommodating groove recessed from the second surface toward the first surface, the top pressing plate can be provided between the insulating separator and the main body portion, the first surface faces the main body portion, the second surface faces the insulating separator, and the accommodating groove is disposed to accommodate the welding end portion.