公开(公告)号：US10205141B2

公开(公告)日：2019-02-12

申请号：US15187909

申请日：2016-06-21

Applicant: Contemporary Amperex Technology Co., Limited

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

IPC: H01M2/06 ,  H01M2/20 ,  H01M2/30 ,  H01M2/04 ,  H01M2/26 ,  H01M10/04 ,  H01M2/02 ,  H01M2/12

Abstract: The secondary battery of the present invention includes: a top cover, a first electrode terminal, a second electrode terminal, an electrode-tab pad-plate, an electrode assembly, a first electrode-tab and a second electrode-tab; the first and second electrode terminal are arranged on the top cover, the electrode-tab pad-plate is a strip-plate shaped structure, and is located between the top cover and electrode assembly, the first electrode-tab includes a connecting part, a folding part and a welding part, the connecting part is beneath the electrode-tab pad-plate, the welding part is above the electrode-tab pad-plate, the connecting part is connected with the electrode assembly, the welding part is connected with the first electrode terminal, the folding part is connected with the connecting part and welding part bypassing the electrode-tab pad-plate; the second electrode terminal is connected with the electrode assembly through the second electrode-tab.

公开(公告)号：US20190027716A1

公开(公告)日：2019-01-24

申请号：US16138863

申请日：2018-09-21

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Qingkui Chi ,  Kaifu Zhong

IPC: H01M2/04 ,  H01M2/06 ,  H01M2/36 ,  H01M2/02

CPC classification number: H01M2/0473 ,  H01M2/0267 ,  H01M2/0277 ,  H01M2/0426 ,  H01M2/043 ,  H01M2/06 ,  H01M2/36 ,  H01M2/361 ,  H01M2/362

Abstract: The present application relates to a secondary battery head cover assembly, a secondary battery including the same and an assembling method thereof. The secondary battery head cover assembly includes a head cover and an insulation structure, the insulation structure includes a top connection sheet and two naked battery core insulation sheets, an electrode pole is provided on the head cover, and an electrode pole through hole is provided at a position on the top connection sheet corresponding to the electrode pole, the top connection sheet is located below the head cover and is connected to the head cover. The secondary battery includes the secondary battery head cover assembly and the naked battery core, the naked battery core is located below the top connection sheet, and the two naked battery core insulation sheets wrap the side and bottom surfaces of the naked battery core.

公开(公告)号：US10128472B2

公开(公告)日：2018-11-13

申请号：US15349931

申请日：2016-11-11

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Qingkui Chi ,  Kaifu Zhong

IPC: H01M2/20 ,  H01M2/04 ,  H01M2/12

Abstract: The present application relates to a secondary battery head cover assembly, a secondary battery including the same and an assembling method thereof. The secondary battery head cover assembly includes a head cover and an insulation structure, the insulation structure includes a top connection sheet and two naked battery core insulation sheets, an electrode pole is provided on the head cover, and an electrode pole through hole, through which the electrode pole passes, is provided at a position on the top connection sheet corresponding to the electrode pole, the top connection sheet is located below the head cover and is fixed to the head cover. The secondary battery includes the secondary battery head cover assembly and the naked battery core, the naked battery core is located below the top connection sheet, and the two naked battery core insulation sheets wrap the side and bottom surfaces of the naked battery core.