公开(公告)号：US11476526B2

公开(公告)日：2022-10-18

申请号：US16890457

申请日：2020-06-02

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

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

IPC: H01M50/147 ,  H01M10/04 ,  H01M50/531 ,  H01M50/543

Abstract: The present disclosure provides a secondary battery, a battery module and a vehicle. The secondary battery includes an electrode assembly, a case and a cap assembly. The case has an accommodating cavity, and the electrode assembly is accommodated in the accommodating cavity. The electrode assembly includes electrode units, and the electrode units are stacked in an axial direction of the accommodating cavity. The cap assembly includes a cap plate and an insulating member provided at an inner side of the cap plate, the cap plate is connected with the case, and the insulating member is positioned at a side of the electrode assembly in the axial direction. The insulating member is provided with a first surface at a side close to the electrode assembly, and the first surface is a flat surface.

公开(公告)号：US11177542B2

公开(公告)日：2021-11-16

申请号：US16424048

申请日：2019-05-28

Applicant: Contemporary Amperex Technology Co., Limited

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

IPC: H01M2/26 ,  H01M10/0587 ,  H01M10/04 ,  H01M2/04 ,  H01M2/10 ,  H01M50/54 ,  H01M50/20 ,  H01M50/147

Abstract: The present disclosure relates to a secondary battery and a battery module. The secondary battery comprises a case, comprising a base plate and a side plate connected with the base plate, wherein the base plate and the side plate form a receiving hole and an opening in communication with the receiving hole, the opening is arranged opposite to the base plate in an axial direction of the receiving hole, and the base plate has a thickness larger than that of the side plate; a cap assembly, sealingly connected with the side plate to close the opening; and an electrode assembly, disposed in the receiving hole and comprising two or more electrode units, which are stacked in the axial direction, and each electrode unit is arranged with a wide side opposite to the base plate and a narrow side toward the side plate.

公开(公告)号：US11088423B2

公开(公告)日：2021-08-10

申请号：US16424026

申请日：2019-05-28

Applicant: Contemporary Amperex Technology Co., Limited

Inventor： Haizu Jin ,  Dongyang Shi ,  Ning Chen ,  Zhenhua Li

IPC: H01M2/26 ,  H01M50/531

Abstract: The disclosure relates to a secondary battery and a battery module. The secondary battery comprises: a case comprising a receiving hole having an opening; a cap assembly connected with the case to close the opening; an electrode assembly disposed in the receiving hole, wherein the electrode assembly comprises two end surfaces opposite to each other in a first direction and tabs extending from respective end surfaces, and there are two or more electrode assemblies stacked in the axial direction; and a current collector comprising an extending portion and a current collecting portion connected to the tab, wherein the extending portion extends in the axial direction, the current collecting portion comprises a connecting end extending in a second direction perpendicular to both the axial direction and the first direction, and is connected to an end of the extending portion away from the cap assembly through the connecting end.

公开(公告)号：US12176559B2

公开(公告)日：2024-12-24

申请号：US17419697

申请日：2019-03-25

Applicant: Contemporary Amperex Technology Co., Limited

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

IPC: H01M50/213 ,  H01M10/04 ,  H01M50/209 ,  H01M50/264 ,  H01M50/289 ,  H01M50/291 ,  H01M50/293 ,  H01M50/502

Abstract: The present disclosure relates to the technical field of energy storage devices, and provides a battery cell assembly, a battery module, and a battery pack. The battery cell assembly includes: at least two battery cells and an insulation film. The at least two battery cells are stacked. Each battery cell includes an electrode assembly and a battery housing. The electrode assembly is accommodated in the battery housing. The electrode assembly includes a first electrode plate, a second electrode plate, and a separator disposed between the first electrode plate and the second electrode plate. The insulation film surrounds a periphery of the at least two battery cells to wrap the at least two battery cells together.

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：US11335978B2

公开(公告)日：2022-05-17

申请号：US16424058

申请日：2019-05-28

Applicant: Contemporary Amperex Technology Co., Limited

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

IPC: H01M10/04 ,  H01M50/531 ,  H01M50/20

Abstract: The disclosure relates to a secondary battery and a battery module. The secondary battery comprises: a case comprising a receiving hole having an opening; a cap assembly sealingly connected with the case to close the opening; an electrode assembly disposed in the receiving hole, wherein the electrode assembly comprises two end surfaces opposite to each other in a first direction perpendicular to an axial direction of the receiving hole and tabs extending from respective end surfaces, and the electrode assembly comprises two or more electrode units which are stacked in the axial direction; and a current collecting unit comprising a first sheet and a first current collecting sheet connected to the first sheet, wherein both the first sheet and the first current collecting sheet extend in the axial direction, and the tab is bent with respect to the first direction and is electrically connected to the first current collecting sheet.

公开(公告)号：US20210313661A1

公开(公告)日：2021-10-07

申请号：US17352352

申请日：2021-06-20

Applicant: Contemporary Amperex Technology Co., Limited

Inventor： Yuanbao CHEN ,  Rui Yang ,  Haizu Jin ,  Dongyang Shi ,  Ning Chen ,  Quankun Li

IPC: H01M50/538 ,  H01M50/209 ,  H01M50/186

Abstract: The present application relates to a secondary battery and a battery module. The secondary battery comprises: a casing, which is provided with an accommodating hole with an opening; a top cover assembly, which is in sealed connection with the casing to close the opening; an electrode assembly, which is arranged in the accommodating hole, and comprises two end faces opposite to a first direction perpendicular to an axial direction of the accommodating hole, and tabs extending from the end faces, the electrode assembly comprises two or more electrode units, wherein two or more electrode units are stacked in the axial direction, and in a second direction perpendicular to the axial direction and the first direction, the size of the tabs is smaller than that of the end faces; and a current collector, which comprises a body portion.

公开(公告)号：US20200295317A1

公开(公告)日：2020-09-17

申请号：US16890457

申请日：2020-06-02

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

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

IPC: H01M2/04 ,  H01M10/04 ,  H01M2/26 ,  H01M2/30

Abstract: The present disclosure provides a secondary battery, a battery module and a vehicle. The secondary battery includes an electrode assembly, a case and a cap assembly. The case has an accommodating cavity, and the electrode assembly is accommodated in the accommodating cavity. The electrode assembly includes electrode units, and the electrode units are stacked in an axial direction of the accommodating cavity. The cap assembly includes a cap plate and an insulating member provided at an inner side of the cap plate, the cap plate is connected with the case, and the insulating member is positioned at a side of the electrode assembly in the axial direction. The insulating member is provided with a first surface at a side close to the electrode assembly, and the first surface is a flat surface.

公开(公告)号：US20200212411A1

公开(公告)日：2020-07-02

申请号：US16424048

申请日：2019-05-28

Applicant: Contemporary Amperex Technology Co., Limited

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

IPC: H01M2/26 ,  H01M10/0587 ,  H01M10/04 ,  H01M2/04 ,  H01M2/10

Abstract: The present disclosure relates to a secondary battery and a battery module. The secondary battery comprises a case, comprising a base plate and a side plate connected with the base plate, wherein the base plate and the side plate form a receiving hole and an opening in communication with the receiving hole, the opening is arranged opposite to the base plate in an axial direction of the receiving hole, and the base plate has a thickness larger than that of the side plate; a cap assembly, sealingly connected with the side plate to close the opening; and an electrode assembly, disposed in the receiving hole and comprising two or more electrode units, which are stacked in the axial direction, and each electrode unit is arranged with a wide side opposite to the base plate and a narrow side toward the side plate.