公开(公告)号：US10153476B2

公开(公告)日：2018-12-11

申请号：US15258686

申请日：2016-09-07

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Jian Guo ,  Quankun Li ,  Pinghua Deng ,  Peng Wang ,  Lingbo Zhu

IPC: H01M2/26 ,  H01M10/052 ,  H01M2/22 ,  H01M2/24 ,  H01M2/28 ,  H01M10/0525

Abstract: The present application relates to an electrode tab pad plate, the electrode tab pad plate is of a fork shape, including a joint part and two first fork feet, the two first fork feet are arranged in parallel, and a first gap is provided between the two first fork feet, both the first fork feet are connected with the joint part. The electrode tab pad plate provided by the present application, through gathering the electrode tabs at inner sides of the electrode tab pad plate, so that the electrode tabs are gathered toward the direction away from the battery housing, so as to guarantee the safety performance of the Li-ion battery, since the space occupied by the electrode tab pad plate is small, which facilitates the improvement of the cell capacity, thereby improving the performance of the battery.

公开(公告)号：US10074842B2

公开(公告)日：2018-09-11

申请号：US15444201

申请日：2017-02-27

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Qingkui Chi ,  Kaifu Zhong ,  Lingbo Zhu

IPC: H01M2/00 ,  H01M2/20 ,  H01M2/34

CPC classification number: H01M2/202 ,  H01M2/34 ,  H01M2/348 ,  H01M2200/103

Abstract: The present disclosure provides a secondary battery, which comprises a cap plate, at least two cells and two connecting pieces. The cap plate is provided with two electrode terminals which are opposite in electrical polarity. Each cell has two tabs which are opposite in electrical polarity. Each connecting piece has: an electrode terminal electrical connecting portion for electrically connecting with the corresponding electrode terminal of the cap plate; a plurality of tab electrical connecting portions for electrically connecting with the corresponding tabs of the cells respectively; and a plurality of fusing portions electrically connecting the corresponding tab electrical connecting portion to the electrode terminal electrical connecting portion, a width of each fusing portion is less than a width of the electrode terminal electrical connecting portion. A configuration of the connecting piece is simple, thereby reducing the cumulative heat of the secondary battery and reducing the temperature rise.

公开(公告)号：US20170352845A1

公开(公告)日：2017-12-07

申请号：US15615062

申请日：2017-06-06

Applicant: Contemporary Amperex Technology Co., Limited

Inventor： Quankun Li ,  Jian Guo ,  Peng Wang ,  Pinghua Deng ,  Lingbo Zhu

IPC: H01M2/04 ,  H01M2/02 ,  H01M2/08 ,  H01M2/12

CPC classification number: H01M2/0417 ,  H01M2/0212 ,  H01M2/0277 ,  H01M2/08 ,  H01M2/1229 ,  H01M2/1241 ,  H01M2/345

Abstract: Provided is a top cover for power battery, including a top cover plate, a first electrode unit including a connecting plate, a deformable plate, an insulating piece and a current interrupt plate, and a second electrode unit, insulating piece, an assembling hole is formed in the top cover plate, the current interrupt plate is in the assembling hole and electrically connected with the top cover plate, the connecting plate is insulated from the top cover plate through the insulating piece, an accommodating chamber facing to the assembling hole is formed in the connecting plate, the deformable plate is attached to the connecting plate and covers the accommodating chamber, the second electrode unit is electrically insulated from the top cover plate, and the deformable plate configured to uncouple from the current interrupt plate when internal pressure of power battery goes beyond reference pressure.