公开(公告)号：US11664555B2

公开(公告)日：2023-05-30

申请号：US17135918

申请日：2020-12-28

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Dongyang Shi ,  Zhenhua Li ,  Haizu Jin ,  Ning Chen ,  Fei Hu ,  Yuanbao Chen ,  Rui Yang

IPC: H01M50/271 ,  B60L50/64 ,  H01M50/249 ,  H01M50/296 ,  H01M50/342 ,  H01M50/204 ,  H01M50/593 ,  H01M10/0525 ,  H01M10/0587 ,  H01M50/15 ,  H01M10/04 ,  H01M50/586 ,  H01M50/55 ,  H01M50/276 ,  H01M50/224 ,  H01M50/209

CPC classification number: H01M50/271 ,  B60L50/64 ,  H01M10/0431 ,  H01M10/0525 ,  H01M10/0587 ,  H01M50/15 ,  H01M50/204 ,  H01M50/249 ,  H01M50/296 ,  H01M50/3425 ,  H01M50/55 ,  H01M50/586 ,  H01M50/593 ,  H01M50/209 ,  H01M50/224 ,  H01M50/276 ,  H01M2200/20 ,  H01M2220/20

Abstract: Disclosed are a secondary battery, a battery module and an electric vehicle. The secondary battery includes an electrode assembly, a housing and a top cover assembly. The housing has an accommodating chamber, the accommodating chamber having an opening, and the electrode assembly being accommodated in the accommodating chamber. The electrode assembly includes a plurality of electrode units, the plurality of electrode units being stacked in an axial direction of the accommodating chamber. The top cover assembly includes a top cover plate, a first electrode terminal and a second electrode terminal, the top cover plate being connected to the housing and located on a side of the electrode assembly in the axial direction, and the first electrode terminal and the second electrode terminal both protruding from the top cover plate and being electrically connected to the electrode assembly.

公开(公告)号：US11233297B2

公开(公告)日：2022-01-25

申请号：US16455751

申请日：2019-06-28

Applicant: Contemporary Amperex Technology Co., Limited

Inventor： Ning Chen ,  Haizu Jin ,  Dongyang Shi ,  Zhenhua Li ,  Yuanbao Chen ,  Rui Yang ,  Fei Hu

IPC: H01M50/54 ,  H01M10/0585 ,  H01M50/15 ,  H01M50/20

Abstract: The disclosure relates to a secondary battery and a battery module. The secondary battery comprises a casing, which includes a receiving hole having an opening; a top cover assembly, which includes a top cover plate connected to the casing to close the opening; an electrode assembly disposed within the receiving hole, the electrode assembly has an dimension of 0.01 mm to 1000 mm in an axial direction of the receiving hole, the electrode assembly includes two end faces opposed to each other in a first direction perpendicular to the axial direction and tabs extending from the end faces, the electrode assembly includes two or more electrode units laminated in the axial direction, and in a second direction perpendicular to the axial direction and the first direction, the dimension of the tab is smaller than the dimension of the end face; and a current collecting member electrically connected to the tab.

公开(公告)号：US11177528B2

公开(公告)日：2021-11-16

申请号：US16691215

申请日：2019-11-21

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Haizu Jin ,  Fei Hu ,  Zhenhua Li ,  Dongyang Shi ,  Rui Yang ,  Yuqun Zeng ,  Yongshou Lin

IPC: H01M50/20 ,  H01M50/15 ,  H01M50/147 ,  H01M10/0525 ,  H01M10/0565

Abstract: The present disclosure provides a battery module and a battery pack. The battery pack comprises a box and a battery module, the battery module is accommodated in the box. The battery module comprises batteries sequentially arranged in a first direction. The battery comprises an electrode assembly, a case and a cap assembly, the electrode assembly is received in the case, and the cap assembly is connected with the case. The case comprises two first side walls, and the two first side walls are respectively positioned at two sides of the electrode assembly in the first direction. The first side walls of two adjacent batteries face each other. An area of the first side wall is defined as S1, a distance between the electrode assemblies of two adjacent batteries in the first direction is defined as D, S1 and D satisfying a relationship: 1.2×10−5 mm−1≤D/S1≤500×10−5 mm−1.

公开(公告)号：US11139528B2

公开(公告)日：2021-10-05

申请号：US17137172

申请日：2020-12-29

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Haizu Jin ,  Fei Hu ,  Zhenhua Li ,  Dongyang Shi ,  Rui Yang ,  Yuqun Zeng ,  Yongshou Lin

IPC: H01M50/20 ,  H01M50/15 ,  H01M50/147 ,  H01M10/0525 ,  H01M10/0565

Abstract: The present disclosure provides a battery module and a battery pack. The battery pack comprises a box and a battery module, the battery module is accommodated in the box. The battery module comprises batteries sequentially arranged in a first direction. The battery comprises an electrode assembly, a case and a cap assembly, the electrode assembly is received in the case, and the cap assembly is connected with the case. The case comprises two first side walls, and the two first side walls are respectively positioned at two sides of the electrode assembly in the first direction. The first side walls of two adjacent batteries face each other. An area of the first side wall is defined as S1, a distance between the electrode assemblies of two adjacent batteries in the first direction is defined as D, S1 and D satisfying a relationship: 1.2×10−5 mm−1≤D/S1≤500×10−5 mm−1.

公开(公告)号：US11133549B2

公开(公告)日：2021-09-28

申请号：US16691234

申请日：2019-11-21

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：US20200235370A1

公开(公告)日：2020-07-23

申请号：US16455751

申请日：2019-06-28

Applicant: Contemporary Amperex Technology Co., Limited

Inventor： Ning CHEN ,  Haizu Jin ,  Dongyang Shi ,  Zhenhua Li ,  Yuanbao Chen ,  Rui Yang ,  Fei Hu

IPC: H01M2/26 ,  H01M2/10 ,  H01M2/04 ,  H01M10/0585

Abstract: The disclosure relates to a secondary battery and a battery module. The secondary battery comprises a casing, which includes a receiving hole having an opening; a top cover assembly, which includes a top cover plate connected to the casing to close the opening; an electrode assembly disposed within the receiving hole, the electrode assembly has an dimension of 0.01 mm to 1000 mm in an axial direction of the receiving hole, the electrode assembly includes two end faces opposed to each other in a first direction perpendicular to the axial direction and tabs extending from the end faces, the electrode assembly includes two or more electrode units laminated in the axial direction, and in a second direction perpendicular to the axial direction and the first direction, the dimension of the tab is smaller than the dimension of the end face; and a current collecting member electrically connected to the tab.