公开(公告)号：US11482748B2

公开(公告)日：2022-10-25

申请号：US15974485

申请日：2018-05-08

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Zhijun Guo ,  Jie Zhang ,  Taosheng Zhu ,  Peng Wang ,  Guowei Li

IPC: H01M50/184 ,  H01M10/04 ,  H01M50/50 ,  H01M50/116 ,  H01M50/147 ,  H01M50/183 ,  H01M50/543

Abstract: The present disclosure provides a battery cap assembly and a secondary battery. The battery cap assembly comprises a cap plate, a first electrode terminal and a first connecting piece. The cap plate is made of insulating material and includes a first terminal hole; the first electrode terminal is provided to the cap plate and extends into the first terminal hole; the first connecting piece is provided below the cap plate. The first connecting piece includes a first connecting portion connected with the first electrode terminal, an upper surface of the first connecting portion is attached to the cap plate. The secondary battery comprises an electrode assembly, a case and the battery cap assembly. The case receives the electrode assembly and has an opening. The cap plate is connected with the case, the first connecting portion of the first connecting piece is electrically connected with the first electrode plate.

公开(公告)号：US11456501B2

公开(公告)日：2022-09-27

申请号：US16663048

申请日：2019-10-24

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Yuqun Zeng ,  Fenggang Zhao ,  Xingdi Chen ,  Lei Wang ,  Linggang Zhou ,  Peng Wang ,  Derong Wang ,  Cong Bao

IPC: H01M50/20 ,  B65D21/02 ,  H01M50/249 ,  H01M50/242 ,  H01M50/244 ,  B60K1/04 ,  B60L50/60

Abstract: The present disclosure provides a lower box body, a battery box and a vehicle, the lower box body comprises a base body, a first protecting assembly, a mounting hole. The base body comprises a bottom plate portion, a side plate portion, eave portions. The first protecting assembly is provided at outside of the base body, fixed to the base body and is attached to the eave portion. The mounting hole penetrates the eave portion and the first protecting assembly. The first protecting assembly improves the entirety structural strength of the lower box. Because the mounting hole is formed by penetrating the eave portion and the first protecting assembly, the structural stability of the mounting location of the lower box body is improved, thereby making the mounting location of the lower box body not be prone to be deformed or damaged when the battery box is subjected to the external force.

公开(公告)号：US11424500B2

公开(公告)日：2022-08-23

申请号：US17120593

申请日：2020-12-14

Applicant: Contemporary Amperex Technology Co., Limited

Inventor： Chengyou Xing ,  Chengdu Liang ,  Ningsheng Wu ,  Wenlong Kang ,  Peng Wang ,  Quankun Li ,  Lingyan Jiang

IPC: H01M50/116

Abstract: The present disclosure relates to a secondary battery, a battery module, and a device using the secondary battery as a power source. The secondary battery includes a casing and a top cover for connecting with the casing. The casing includes an end portion provided with an opening. The top cover is used to cover the opening of the casing. The top cover includes an inserting portion extending into the casing from the opening. A plurality of notches are provided on an inner side of the end portion of the casing or on a side wall of the inserting portion facing the casing. In the secondary battery, the battery module, and the device using the secondary battery as a power source according to the present disclosure, the secondary battery can reduce the possibility of short circuit occurring in the electrode assembly and improve the operational safety of the secondary battery.

公开(公告)号：US11251493B2

公开(公告)日：2022-02-15

申请号：US16994247

申请日：2020-08-14

Applicant: Contemporary Amperex Technology Co., Limited

Inventor： Yu Tang ,  Yanbo Chen ,  Yongguang Wang ,  Peng Wang ,  Kaijie You ,  Xingdi Chen

IPC: H01M50/20 ,  H01M50/10 ,  F16B37/06

Abstract: A battery pack, includes a box assembly including a box body and a plurality of fixed beams, a plurality of battery modules, and a plurality of constraint components, each of which includes a limiting portion, a first mounting portion and a second mounting portion. The first mounting portion is provided with a plurality of first mounting holes along a length direction of the fixed beams. The second mounting portion is provided with a plurality of second mounting holes along the length direction. A plurality of first fasteners respectively pass through the first mounting holes and are fixed to one fixed beam. A plurality of second fasteners respectively pass through the second mounting holes and are fixed to the other fixed beam. The first mounting hole and the second mounting hole have different adjustment amounts in the arrangement direction.

公开(公告)号：US11233244B2

公开(公告)日：2022-01-25

申请号：US16804179

申请日：2020-02-28

Applicant: Contemporary Amperex Technology Co., Limited

Inventor： Chengyou Xing ,  Xiang Li ,  Taosheng Zhu ,  Peng Wang ,  Yulian Zheng

IPC: H01M4/02 ,  H01M4/70 ,  H01M4/66 ,  H01M10/04 ,  H01M50/54 ,  H01M4/13 ,  H01M10/052 ,  H01M50/531

Abstract: The present disclosure relates to the technical field of rechargeable battery and, particularly, relates to an electrode member, an electrode assembly and a rechargeable battery. The electrode member includes an electrode body and a conduction structure, the electrode body comprises an insulation substrate and an conduction layer placed on a surface of the insulation substrate, the conduction layer includes a first portion and a second portion extending from the first portion, the first portion is coated with an active material while the second portion is not coated with the active material, and the conduction structure is connected to the second portion. After the electrode assembly is formed by winding or stacking of the electrode members, adjacent current guide portions are electrically connected to one another by the conduction structure, without being limited by the insulation substrate, so that the conductivity of the electrode member is effectively improved.

公开(公告)号：US11101520B2

公开(公告)日：2021-08-24

申请号：US16506301

申请日：2019-07-09

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Xingdi Chen ,  Peng Wang ,  Linggang Zhou ,  Yanhuo Xiang ,  Kaijie You

IPC: H01M50/20

Abstract: The present disclosure relates to a battery module including a plurality of battery unit array structures and a battery container body. The battery container body includes a first container body and a second container body that are in a split structure. The first container body is disposed at a side of the second container body and provided with a first accommodating cavity. The second container body is provided with a second accommodating cavity. The plurality of battery unit array structures is disposed between the first container body and the second container body by means of a mutual cooperation of the first accommodating cavity and the second accommodating cavity. Compared with the related art, since the first or second container body is used for transportation, it is unnecessary to introduce an additional component, thereby enhancing the energy density of the battery module.

公开(公告)号：US11094985B2

公开(公告)日：2021-08-17

申请号：US16413749

申请日：2019-05-16

Applicant: Contemporary Amperex Technology Co., Limited

Inventor： Xinxiang Chen ,  Chengyou Xing ,  Shoujun Huang ,  Yulian Zheng ,  Peng Wang

IPC: H01M50/147 ,  H01M50/543 ,  H01M50/578 ,  H01M10/0525 ,  H01M50/183 ,  H01M50/342 ,  H01M50/531

Abstract: The present disclosure provides a top cover assembly of a secondary battery. The top cover assembly includes: a top cover plate and a gas exhaust valve mounted in the top cover plate. The gas exhaust valve includes a valve body, a valve sleeve and a valve cover. The valve body includes a valve part, and the valve part is provided with a gas exhaust hole that communicates with an interior of the secondary battery. The valve cover seals and is connected to the valve body to form an accommodation space. The valve sleeve is located in the accommodation space, and the valve sleeve covers the valve part. A gas exhaust passage is disposed between the valve sleeve and the valve part, the valve cover is provided with a venting hole that communicates with outside, and the gas exhaust passage communicates with the gas exhaust hole and the venting hole.

公开(公告)号：US11050128B2

公开(公告)日：2021-06-29

申请号：US16666749

申请日：2019-10-29

Applicant: Contemporary Amperex Technology Co., Limited

Inventor： Yuqun Zeng ,  Fenggang Zhao ,  Yong Zhou ,  Zhijun Guo ,  Peng Wang

IPC: H01M2/30 ,  H01M2/06 ,  H01M2/26 ,  H01M50/543 ,  H01M50/172 ,  H01M50/531 ,  H01M50/15 ,  H01M50/528

Abstract: The present disclosure relates to a secondary battery and a manufacturing method of the secondary battery, and the secondary battery includes a case; an electrode assembly, accommodated in the case and including a main body and a tab connected to the main body; a cap plate, coupled to the case; an electrode terminal, located on an outer side of the cap plate and provided with a through hole; and a current collecting member, including an extending portion and a connecting portion connected to the extending portion, wherein the connecting portion is located on an inner side of the cap plate and is directly connected to the tab, and the extending portion is adapted to extend toward the electrode terminal and protrude into the through hole, and is connected to the electrode terminal. The configuration of the secondary battery of the present disclosure is conducive to improving an energy density.

公开(公告)号：US20210119290A1

公开(公告)日：2021-04-22

申请号：US17137122

申请日：2020-12-29

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Dongyang SHI ,  Haizu Jin ,  Rui Yang ,  Fei Hu ,  Peng Wang ,  Yuqun Zeng ,  Yongshou Lin

IPC: H01M50/183 ,  H01M50/10 ,  H01M50/20

Abstract: The present disclosure provides a battery pack and a vehicle. The battery pack comprises a battery module, a box assembly and a first adhesive member. The battery module comprises first batteries arranged sequentially in a horizontal direction. The first battery comprises an electrode assembly and a case, and the electrode assembly is received in the case. The electrode assembly comprises a first electrode plate, a second electrode plate and a separator. The box assembly has a connection portion, and the connection portion is positioned at a side of the battery module in the vertical direction. An outer surface of the case comprises a first surface, and the first surface is connected with the connection portion via the first adhesive member. An area A of the first surface and an elastic modulus B of the first adhesive member satisfy a relationship: 0.02 cm2/MPa≤A/B≤9 cm2/MPa.

公开(公告)号：US10965050B2

公开(公告)日：2021-03-30

申请号：US16669055

申请日：2019-10-30

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Jianwei Li ,  Libing Chan ,  Linggang Zhou ,  Zhiqin Weng ,  Shengshen Ruan ,  Peng Wang

IPC: H01R13/05 ,  H01M2/22 ,  H01R13/627 ,  H01R13/631

Abstract: The present disclosure provides a battery product and an assembling method of the battery product, the battery product comprises a box and a heating connector. The box comprises a mounting panel. The mounting panel has a first receptacle portion and a second receptacle portion, and the second receptacle portion and the first receptacle portion are provided opposite to each other and communicating with each other. The heating connector comprises: a first plug assembly being mounted on the first receptacle portion; and a second plug assembly being mounted on the second receptacle portion. Compared with the technology related to the background, the battery product is equivalent to directly integrating the receptacle of the heating connector on the mounting panel, which not only eliminates the manner of fixing by the bolt, but also improves the integration of the battery product, thereby improving the space utilization and energy density.