公开(公告)号：US20180294447A1

公开(公告)日：2018-10-11

申请号：US15823131

申请日：2017-11-27

Applicant: Contemporary Amperex Technology Co., Limited

Inventor： Zhijun GUO ,  Mingchuan SUN ,  Peng WANG ,  Taosheng ZHU

IPC: H01M2/04 ,  H01M2/12 ,  H01M2/34 ,  H01M10/04

Abstract: The present disclosure provides a cap assembly for a secondary battery and the secondary battery. The cap assembly of the secondary battery includes: a cap plate including a cover sheet having a first electrode lead-out hole; a first terminal member including a first terminal and a conductive sealing ring, the first terminal penetrating into the first electrode lead-out hole and the conductive sealing ring surrounding the first terminal and sealing the first electrode lead-out hole, wherein the conductive sealing ring is in a compression state, the first terminal is electrically connected with the cover sheet through the conductive sealing ring, and the conductive sealing ring has a resistance value greater than a resistance value of the first terminal.