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公开(公告)号：US20230148174A1
公开(公告)日：2023-05-11
申请号：US18149167
申请日：2023-01-03
Applicant: Contemporary Amperex Technology Co., Limited
Inventor： Liwen Jiang , Rulai Cai , Fuping Luo , Tingting Zhu , Wumei Fang
IPC: H01M50/559 , H01M50/213 , H01M50/548
CPC classification number: H01M50/559 , H01M50/213 , H01M50/548
Abstract: A battery, an electrical device, and a method and device for manufacturing a battery are provided. In some embodiments, the battery includes: a plurality of battery cells arranged along a first direction, where a plate-like electrode terminal is disposed on each end face of each of the battery cells along a first direction, so that two electrode terminals of two battery cells are disposed between two end faces opposite to each other along the first direction; and the two electrode terminals are configured to be at least partly stacked and fixedly connected between the two end faces along a thickness direction of the electrode terminal to enable electrical connection between the two battery cells. By fixedly connecting the electrode terminals of the battery cells directly, electrical connection is implemented between the two battery cells.
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公开(公告)号：US10665826B2
公开(公告)日：2020-05-26
申请号：US15871463
申请日：2018-01-15
Applicant: Contemporary Amperex Technology Co., Limited
Inventor： Xiang Li , Rulai Cai , Xianfeng Yu , Peng Wang , Quankun Li
Abstract: Provided are a top cover assembly and a secondary battery containing the same. The top cover assembly includes a cover plate, and a first terminal assembly; the top cover plate includes a main body and a protrusion connected to the main body, the protrusion protrudes beyond an upper surface of the main body, an accommodation chamber is defined below the protrusion, the protrusion faces the accommodation chamber, the first terminal assembly includes a deformable plate, and the deformable plate is connected to the top cover plate and covers the accommodation chamber. Such solution can sufficiently utilize the space between the upper surface of the top cover plate and the upper surface of the second terminal assembly, improve the space utilization of the secondary battery, improve the deformation resistance of the top cover plate and the strength of the top cover plate, and keep the secondary battery safe.
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公开(公告)号：US10651498B2
公开(公告)日：2020-05-12
申请号：US16167738
申请日：2018-10-23
Applicant: Contemporary Amperex Technology Co., Limited
Inventor： Xiang Li , Chengyou Xing , Peng Wang , Rulai Cai
Abstract: The present disclosure relates to technical field of energy storage devices, and in particular, to a secondary battery and a vehicle. The secondary battery includes a top cover plate, electrode terminals disposed on the top cover plate, at least one electrode assembly including a main body and a plurality of conductive portions extending from the main body. The plurality of conductive portions is stacked and forms a tab, and the main body is formed by winding a first electrode plate, a second electrode plate and a separator disposed between the first electrode plate and the second electrode plate. The secondary battery also includes connecting pieces for connecting the tab to the electrode terminal. The tabs extend from one side of the main body viewed in thickness direction and are bent with respect to height direction and is connected to the connecting piece.
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公开(公告)号：US10991949B2
公开(公告)日：2021-04-27
申请号：US16227938
申请日：2018-12-20
Applicant: Contemporary Amperex Technology Co., Limited
Inventor： Xiang Li , Chengyou Xing , Peng Wang , Rulai Cai
IPC: H01M2/34 , H01M4/13 , H01M4/75 , H01M4/66 , H01M50/54 , H01M50/572 , H01M10/052 , H01M4/02
Abstract: The present disclosure relates to an electrode component, an electrode assembly and a rechargeable battery. The electrode component includes an electrode body, a conductive structure, and a reinforcement structure. The electrode body includes an insulating substrate and a conductive layer disposed on surfaces of the insulating substrate, the conductive layer includes a first portion coated with an active material and a second portion extending from the first portion and uncoated with the active material. The conductive structure is connected to the second portion. The reinforcement structure reinforces the conductive structure on the second portion. According to the present disclosure, by reinforcing the conductive structure connected to the second portion of the electrode component having the insulating substrate by the reinforcing structure, the reliability of the arrangement of the conductive structure on the second portion can be effectively improved.
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公开(公告)号：US20210111466A1
公开(公告)日：2021-04-15
申请号：US17127622
申请日：2020-12-18
Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
Inventor： Xiang Li , Jiajun Wang , Rulai Cai , Peng Wang , Wei Yang
IPC: H01M50/502 , H01M50/147 , H01M50/172 , H01M50/528 , H01M50/543 , H01M50/572
Abstract: The present disclosure provides a secondary battery which comprises: a cap plate provided with a first electrode terminal; an electrode assembly comprising a main body and a first electrode tab; a first connecting piece connected between the first electrode tab and the first electrode terminal. The first connecting piece includes a first electrode terminal connecting portion, a first electrode tab connecting portion and a first fusing portion. The secondary battery further comprises an insulating piece arranged on the first connecting piece to prevent direct physical contact between the first electrode tab and the first electrode terminal connecting portion by covering at least an edge of the first electrode terminal connecting portion.
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Patent Agency Ranking
公开(公告)号：US10916756B2
公开(公告)日：2021-02-09
申请号：US15816981
申请日：2017-11-17
Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
Inventor： Xiang Li , Jiajun Wang , Rulai Cai , Peng Wang , Wei Yang
Abstract: The present disclosure provides a secondary battery which comprises: a cap plate provided with a first electrode terminal and a second electrode terminal; an electrode assembly comprising a main body, a first electrode tab and a second electrode tab; a first connecting piece connected between the first electrode tab and the first electrode terminal. The second electrode tab is electrically connected with the second electrode terminal. The first connecting piece includes a first electrode terminal connecting portion, a first electrode tab connecting portion and a first fusing portion. The secondary battery further comprises an insulating piece adhered on a surface of the first connecting piece which is connected with the first electrode tab, and the insulating piece at least covers an edge of the first electrode terminal connecting portion close to the first electrode tab, so as to isolate the first electrode tab from the first electrode terminal connecting portion.
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公开(公告)号：US10804526B2
公开(公告)日：2020-10-13
申请号：US15971642
申请日：2018-05-04
Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
Inventor： Xiang Li , Chengyou Xing , Peng Wang , Rulai Cai
Abstract: The present invention relates to the technical field of rechargeable batteries and, in particular, to an electrode member, an electrode assembly and a rechargeable battery. The electrode member of the present invention includes an electrode body. The electrode body includes an insulating base and a conductive layer disposed on a surface of the insulating base. The conductive layer has a first portion and a second portion extending from the first portion, the first portion is adapted to be coated with an active material and the second portion is uncoated with the active material. A portion of the insulating base corresponding to the second portion is provided with a first through-hole throughout a thickness direction.
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公开(公告)号：US12002992B2
公开(公告)日：2024-06-04
申请号：US17875174
申请日：2022-07-27
Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
Inventor： Rulai Cai , Liwen Jiang , Fuping Luo , Tingting Zhu , Wumei Fang
IPC: H01M50/50 , H01M50/20 , H01M50/213 , H01M50/503 , H01M50/516 , H01M50/526 , H01M50/548
CPC classification number: H01M50/503 , H01M50/213 , H01M50/516 , H01M50/526 , H01M50/548 , H01M2220/20
Abstract: This application discloses a battery, an electrical device, and a method and device for manufacturing a battery. The battery includes: a plurality of battery cells arranged along a first direction, where electrode terminals are disposed on two end faces of each of the battery cells along the first direction respectively; and a busbar component, configured to connect the two electrode terminals to implement electrical connection between two battery cells. The busbar component includes a flexible bend portion. The flexible bend portion is configured to adjust a relative position between the two electrode terminals. A maximum width of the flexible bend portion along the first direction is greater than a distance between the two electrode terminals. The flexible bend portion disposed in the busbar component can be bent in various forms to meet a requirement of electrically connecting the two battery cells arranged at a variety of relative positions.
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公开(公告)号：US10418618B2
公开(公告)日：2019-09-17
申请号：US15479216
申请日：2017-04-04
Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
Inventor： Zhiyu Wang , Peng Wang , Rulai Cai , Baisong Chen
Abstract: The present application relates to a top cover structure for a power battery and a power battery, the top cover structure includes a first electrode assembly, a second electrode assembly, a first resistor, a second resistor, a top cover plate, a first short circuit component and a second short circuit component, the first electrode assembly is electrically connected with the top cover plate through the first resistor for all time, the first short circuit component and the second short circuit component are both attached onto the top cover plate, when an internal pressure of the power battery exceeds a reference pressure, the first short circuit component and the second short circuit component deform by effect of pressure, so as to form a first electrical connecting path and a second electrical connecting path, the second resistor is connected into the first electrical connecting path in series.
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公开(公告)号：US20190221877A1
公开(公告)日：2019-07-18
申请号：US16167738
申请日：2018-10-23
Applicant: Contemporary Amperex Technology Co., Limited
Inventor： Xiang Li , Chengyou Xing , Peng Wang , Rulai Cai
CPC classification number: H01M10/045 , H01M2/04 , H01M2/22 , H01M2/26 , H01M2/30 , H01M2220/20
Abstract: The present disclosure relates to technical field of energy storage devices, and in particular, to a secondary battery and a vehicle. The secondary battery includes a top cover plate, electrode terminals disposed on the top cover plate, at least one electrode assembly including a main body and a plurality of conductive portions extending from the main body. The plurality of conductive portions is stacked and forms a tab, and the main body is formed by winding a first electrode plate, a second electrode plate and a separator disposed between the first electrode plate and the second electrode plate. The secondary battery also includes connecting pieces for connecting the tab to the electrode terminal. The tabs extend from one side of the main body viewed in thickness direction and are bent with respect to height direction and is connected to the connecting piece.
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