-
公开(公告)号：US20230411744A1
公开(公告)日：2023-12-21
申请号：US18237902
申请日：2023-08-25
Applicant: Contemporary Amperex Technology Co., Limited
Inventor： Fenggang Zhao , Yuqun Zheng , Jian Guo , Quankun LI , Peng Wang
IPC: H01M50/148 , H01M50/55 , H01M50/553 , H01M50/176 , H01M50/593 , H01M50/588
CPC classification number: H01M50/148 , H01M50/55 , H01M50/588 , H01M50/176 , H01M50/593 , H01M50/553
Abstract: The present disclosure relates to a cap assembly and a secondary battery. The cap assembly includes a cap plate provided with an electrode lead-out hole; an electrode terminal, covering the electrode lead-out hole and including a main body, wherein the main body is provided with a recess on a side wall; an isolating member including a receiving portion, wherein the main body is received in the receiving portion; and a protrusion, connected to an inner wall of the isolating member and extending towards an axis of the electrode lead-out hole, wherein the protrusion is received in the recess so as to prevent the main body from rotating relative to the isolating member. The cap assembly according to the embodiments of the present application can improve an overcurrent capacity and stability of the electrode terminal.
-
公开(公告)号：US11777162B2
公开(公告)日：2023-10-03
申请号：US16976752
申请日：2019-09-12
Applicant: Contemporary Amperex Technology Co., Limited
Inventor： Fenggang Zhao , Yuqun Zeng , Jian Guo , Quankun Li , Peng Wang
IPC: H01M50/148 , H01M50/55 , H01M50/553 , H01M50/176 , H01M50/593 , H01M50/588
CPC classification number: H01M50/148 , H01M50/176 , H01M50/55 , H01M50/553 , H01M50/588 , H01M50/593
Abstract: The present disclosure relates to a cap assembly and a secondary battery. The cap assembly includes a cap plate provided with an electrode lead-out hole; an electrode terminal, covering the electrode lead-out hole and including a main body, wherein the main body is provided with a recess on a side wall; an isolating member including a receiving portion, wherein the main body is received in the receiving portion; and a protrusion, connected to an inner wall of the isolating member and extending towards an axis of the electrode lead-out hole, wherein the protrusion is received in the recess so as to prevent the main body from rotating relative to the isolating member. The cap assembly according to the embodiments of the present application can improve an overcurrent capacity and stability of the electrode terminal.
-
公开(公告)号：US10906402B2
公开(公告)日：2021-02-02
申请号：US16360288
申请日：2019-03-21
Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
Inventor： Chengyou Xing , Jian Guo
Abstract: Provided is a top cover structure for power battery, including a first electrode assembly, a second electrode assembly, a top cover plate electrically connected with the first electrode assembly, and a deformable plate attached to the top cover plate; the second electrode assembly includes a second electrode terminal, a second connecting block, a second insulating piece in which a via-hole and an gas-guide hole are defined, an upper sealing piece arranged between the second insulating piece and the second connecting block and including a sealing area for deforming space and a sealing area for electrode terminal, and a lower sealing piece arranged between the second insulating piece and the top cover plate and enclosing the via-hole for deformable plate. The sealing area for deforming space encloses the via-hole and the gas-guide hole, the sealing area for electrode terminal enclose the second electrode terminal.
-
公开(公告)号：US20190221813A1
公开(公告)日：2019-07-18
申请号：US16234955
申请日：2018-12-28
Applicant: Contemporary Amperex Technology Co., Limited
Inventor： Jiandong Yang , Jian Guo , Chengyou Xing , Xiaowen Zhang , Haizu Jin , Yongshou Lin
IPC: H01M2/20
CPC classification number: H01M2/202 , H01M2/263 , H01M10/0525 , H01M2200/20
Abstract: A connection member and a rechargeable battery are provided. The connection member includes a guide plate, two first connection plates and a second connection plate; the two first connection plates are respectively connected to two sides of the guide plate in a width direction and are arranged bendably with respect to the guide plate; the second connection plate is connected to an upper end of the guide plate in a height direction Z, and the top ends of the two first connection plates are at different heights. In some examples, overcurrent capability of the connection member and rapid charging capability and safety performance of the rechargeable battery can be improved.
-
公开(公告)号：US10305086B2
公开(公告)日：2019-05-28
申请号：US15394629
申请日：2016-12-29
Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
Inventor： Quankun Li , Peng Wang , Pinghua Deng , Lingbo Zhu , Jian Guo
Abstract: This application provides a top cover of a power battery and a power battery, the top cover includes a top cover sheet, a first electrode unit and a second electrode unit, the first electrode unit includes a turning sheet, an insulating piece and a current cutting-off structure, the current cutting-off structure is fixed in radial projection range of an assembling hole and is electrically connected with the top cover sheet, the turning sheet is fixed at an underneath of the top cover sheet through the insulating piece, the turning sheet is electrically connected with the top cover sheet merely through the current cutting-off structure, and the turning sheet is capable of turning and breaking the current cutting-off structure when an internal pressure of the power battery exceeds a reference pressure, so as to cut off an electrical connection of the current cutting-off structure with the top cover sheet.
-
Patent Agency Ranking
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：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
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.
-
公开(公告)号：US12119503B2
公开(公告)日：2024-10-15
申请号：US18237902
申请日：2023-08-25
Applicant: Contemporary Amperex Technology Co., Limited
Inventor： Fenggang Zhao , Yuqun Zeng , Jian Guo , Quankun Li , Peng Wang
IPC: H01M50/148 , H01M50/176 , H01M50/55 , H01M50/553 , H01M50/588 , H01M50/593
CPC classification number: H01M50/148 , H01M50/176 , H01M50/55 , H01M50/553 , H01M50/588 , H01M50/593
Abstract: The present disclosure relates to a cap assembly and a secondary battery. The cap assembly includes a cap plate provided with an electrode lead-out hole; an electrode terminal, covering the electrode lead-out hole and including a main body, wherein the main body is provided with a recess on a side wall; an isolating member including a receiving portion, wherein the main body is received in the receiving portion; and a protrusion, connected to an inner wall of the isolating member and extending towards an axis of the electrode lead-out hole, wherein the protrusion is received in the recess so as to prevent the main body from rotating relative to the isolating member. The cap assembly according to the embodiments of the present application can improve an overcurrent capacity and stability of the electrode terminal.
-
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
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：US10516151B2
公开(公告)日：2019-12-24
申请号：US15435681
申请日：2017-02-17
Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
Inventor： Quankun Li , Pinghua Deng , Peng Wang , Jian Guo , Lingbo Zhu , Yongshou Lin
Abstract: The present application provides a top cover of power battery, including top cover plate, first electrode unit and second electrode unit, the first electrode unit includes insulation piece, conductive plate, deformable plate and sealing piece, the top cover plate is provided with deformable plate connecting hole and fixing hole, the deformable plate seals the deformable plate connecting hole, the insulation piece is provided with top cover plate connecting portion and conductive plate connecting portion, the insulation piece is fixed underneath the top cover plate through cooperation of top cover plate connecting portion and fixing hole, the conductive plate is insulated from and fixed with the top cover plate through the conductive plate connecting portion, the conductive plate is electrically connected with the deformable plate, the sealing piece seals path from the fixing hole to interior of the power battery passing through gap between insulation piece and top cover plate.
-
-
-
-
-
-
-
-
-
Search Results
20
records
(took 0.049 seconds)
