公开(公告)号：US11196128B2

公开(公告)日：2021-12-07

申请号：US16515960

申请日：2019-07-18

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Yuqun Zeng ,  Fenggang Zhao ,  Daohui Liu ,  Yangzhi Huang ,  Chuanlian Chen ,  Shengtian Cai ,  Hanqing Gao

IPC: H01M50/502 ,  H01M50/529

Abstract: The present disclosure provides a battery module and a busbar assembly thereof. The busbar assembly comprises a first busbar, a second busbar and a first insulator. The first busbar comprises a first connecting portion connected to a first battery unit, a second connecting portion connected to a second battery unit and a first main portion connecting the first connecting portion and the second connecting portion. The second busbar comprises a third connecting portion connected to a third battery unit, a fourth connecting portion connected to a fourth battery unit and a second main portion connecting the third connecting portion and the fourth connecting portion. The first main portion partially overlaps the second main portion, and the first insulator insulates the second main portion and the first main portion. The first battery unit, the third battery unit, the second battery unit and the fourth battery unit are arranged sequentially.

公开(公告)号：US11139527B2

公开(公告)日：2021-10-05

申请号：US17129572

申请日：2020-12-21

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

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：US11139526B2

公开(公告)日：2021-10-05

申请号：US17129559

申请日：2020-12-21

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

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

IPC: H01M50/20 ,  B65D21/02 ,  B60L50/60 ,  B60L50/64 ,  B60K1/04

Abstract: The present disclosure provides a battery box and a vehicle, the battery box comprises an upper box body, a lower box body, a connecting member, a fixing member. The upper box body comprises a first eave portion, the lower box body comprises a second eave portion. The first eave portion is provided with a first connecting hole, the second eave portion is provided with a second connecting hole and a mounting hole. The connecting member passes through the first connecting hole and the second connecting hole to connect the upper box body and the lower box body. The fixing member passes through the mounting hole to make the lower box body mounted to external equipment, compared with the conventional battery box, the lower box body is equivalent to the arrangement of eliminating the third eave portion, it simplifies the structure and reduces the weight, thereby improving the energy density.

公开(公告)号：US11101515B2

公开(公告)日：2021-08-24

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: H01M6/46 ,  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：US11050124B2

公开(公告)日：2021-06-29

申请号：US16517448

申请日：2019-07-19

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Yuqun Zeng ,  Fenggang Zhao ,  Shengtian Cai ,  Yangzhi Huang ,  Chuanlian Chen ,  Daohui Liu

IPC: H01M50/502 ,  H01M50/20

Abstract: The present disclosure provides a battery module, a busbar and a busbar assembly thereof. The busbar comprises a first connecting portion, a second connecting portion and a first main portion. The first connecting portion is connected to a first battery of the battery module, the second connecting portion is connected to a second battery. The first main portion connects the first connecting portion and the second connecting portion, and the first connecting portion and the second connecting portion are positioned at the same side of the first main portion in a transverse direction. The first connecting portion and the second connecting portion are spaced from each other in a longitudinal direction, and a first slit is formed between the first connecting portion and the second connecting portion. The first main portion is provided with a first notch, the first notch is communicated with the first slit.

公开(公告)号：US20200091474A1

公开(公告)日：2020-03-19

申请号：US16436683

申请日：2019-06-10

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Yuqun Zeng ,  Fenggang Zhao ,  Chuanlian Chen ,  Yangzhi Huang ,  Pengfei Gao ,  Jihua Yao

IPC: H01M2/10 ,  H01M10/04

Abstract: The present disclosure relates to a battery module and a battery pack. The battery module includes a plurality of battery units connected in series; at least two electrode output connecting pieces each disposed at an output end of the plurality of battery units; a plurality of bridging busbars, each connecting two battery units spaced by one or more other battery units among the plurality of battery units; and an adjacent busbar connecting two adjacent battery units among the plurality of battery units. An electrical connection path is formed in the battery module by the electrode output connecting pieces, the bridging busbars and the adjacent busbar. The battery module according to the present disclosure is applicable in diverse situations, and capable of improving safety performance and energy density.

公开(公告)号：US20250105455A1

公开(公告)日：2025-03-27

申请号：US18974830

申请日：2024-12-10

Applicant: JIANGSU CONTEMPORARY AMPEREX TECHNOLOGY LIMITED ,  CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Hu Xu ,  Haizu Jin ,  Shaojun Niu ,  Fenggang Zhao ,  Yuqun Zeng

IPC: H01M50/474 ,  B60L50/64 ,  H01M4/70 ,  H01M50/103 ,  H01M50/15

Abstract: This utility model relates to an electrode assembly, a battery cell, a battery, and an electric device. An electrode assembly includes an anode electrode plate and a cathode electrode plate. At least one side of the anode current collector is coated with an anode active substance layer. At least one side of the cathode current collector is coated with a cathode active substance layer and an additional layer. In a plane perpendicular to the stacking direction of the anode electrode plate and the cathode electrode plate, a projection of the anode active substance layer covers a projection of the cathode active substance layer and partially covers a projection of the additional layer. A battery includes the battery cells. An electric device includes the battery cells or the foregoing battery. The electrode assembly, battery cell, battery, and electric device can mitigate or reduce electrode plate cracking.

公开(公告)号：US12074315B2

公开(公告)日：2024-08-27

申请号：US17057062

申请日：2019-09-26

Applicant: Contemporary Amperex Technology Co., Limited

Inventor： Yuqun Zeng ,  Chengdu Liang ,  Changliang Sheng ,  Huafeng Huang ,  Qisen Huang

IPC: H01M4/36 ,  C01G53/00 ,  H01M4/131 ,  H01M4/1315 ,  H01M4/505 ,  H01M4/525 ,  H01M4/62 ,  H01M10/0525 ,  H01M4/02

CPC classification number: H01M4/366 ,  C01G53/50 ,  H01M4/131 ,  H01M4/1315 ,  H01M4/505 ,  H01M4/525 ,  H01M4/62 ,  H01M10/0525 ,  H01M2004/021 ,  H01M2004/028 ,  H01M2220/20

Abstract: This application discloses a positive-electrode plate, a lithium-ion battery equipped with the positive-electrode plate, a battery module, a battery pack, and an apparatus. The lithium-ion battery includes a positive-electrode plate, a negative-electrode plate, a separator, and an electrolyte. The positive-electrode plate includes a positive-electrode current collector and a positive-electrode active substance layer that is disposed on a surface of the positive-electrode current collector and that includes a positive-electrode active substance. An inorganic dielectric layer containing no binder is disposed on a surface of the positive-electrode active substance layer, and a resistance of the positive-electrode plate is not higher than 8 ohms.

公开(公告)号：US11978844B2

公开(公告)日：2024-05-07

申请号：US17135741

申请日：2020-12-28

Applicant: Contemporary Amperex Technology Co., Limited

Inventor： Chengdu Liang ,  Hu Xu ,  Haizu Jin ,  Yuqun Zeng

IPC: H01M10/04 ,  H01M10/0585 ,  H01M10/0587 ,  H01M50/204 ,  H01M50/249

CPC classification number: H01M10/0431 ,  H01M10/0413 ,  H01M10/0585 ,  H01M10/0587 ,  H01M50/204 ,  H01M50/249

Abstract: An electrode assembly and a related battery, and battery module are provided, wherein the electrode assembly includes: at least one positive electrode plate and at least one negative electrode plate, the number of all the positive and negative electrode plates is greater than or equal to 3; the positive and negative electrode plates are wound around the winding axis and arranged in a superimposing manner along a direction vertical to the winding axis, each positive electrode plate includes a positive main body part, at least part of the positive main body part is a positive active substance area, each negative electrode plate includes a negative main body part, at least part of the negative main body part is the negative active substance area, two ends of the negative active substance area along the winding axis both exceed corresponding ends of the adjacent positive active substance area.

公开(公告)号：US20230327114A1

公开(公告)日：2023-10-12

申请号：US18196904

申请日：2023-05-12

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Yuqun Zeng

IPC: H01M4/133 ,  H01M4/66 ,  H01M10/054 ,  H01M4/587

CPC classification number: H01M4/587 ,  H01M4/133 ,  H01M4/661 ,  H01M10/054 ,  H01M2004/027

Abstract: The present application provides a negative electrode sheet of a sodium-ion battery, an electrochemical apparatus and an electronic device, wherein the negative electrode sheet comprises a negative electrode current collector and a carbon material coating formed on at least part of a surface of the negative electrode current collector. The thickness of the carbon material coating is less than or equal to 10 µm, and the carbon material coating comprises a carbon material and a polymer binder.