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：US11881588B2

公开(公告)日：2024-01-23

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 ,  H01M50/533 ,  H01M50/186

CPC classification number: H01M50/186 ,  H01M50/209 ,  H01M50/533 ,  H01M50/538

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：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：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：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：US20240429570A1

公开(公告)日：2024-12-26

申请号：US18823293

申请日：2024-09-03

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Qi CHENG ,  Rui Yang ,  Quankun Li ,  Hong Wang ,  Kaihuan Yang

IPC: H01M50/533 ,  B60L50/64 ,  H01M50/105 ,  H01M50/178 ,  H01M50/474

Abstract: A battery cell, a battery, an electricity consuming device and a preparation method are provided. The battery cell includes an electrode assembly and an adapter. The electrode assembly includes at least two electrode bodies arranged side by side along a first direction and tabs extending from the electrode bodies. The tab includes an extension portion and a bent portion, the extension portion extends from the electrode body along a second direction, the bent portion is connected with an end of the extension portion away from the electrode body and extends along a first direction, an adapter is connected with the tabs, the current of the electrode body is conducted by the adapter to the outside, a bending arrangement of the tabs enhances their structural strength, avoiding the problem of degradation in internal electrical connection performance of the battery due to damage to the tabs by an external force.

公开(公告)号：US20240145876A1

公开(公告)日：2024-05-02

申请号：US18407046

申请日：2024-01-08

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Wenqi ZHU ,  Yuqian Wen ,  Rui Yang

IPC: H01M50/533 ,  H01M50/107 ,  H01M50/14 ,  H01M50/179 ,  H01M50/536

CPC classification number: H01M50/533 ,  H01M50/107 ,  H01M50/14 ,  H01M50/179 ,  H01M50/536 ,  H01M2220/20

Abstract: A battery cell, a manufacturing method and manufacturing device thereof, a battery, and an electric apparatus are described. The battery cell includes a housing assembly, an electrode assembly, and a current collecting member. The housing assembly includes an electrode lead-out portion for inputting or outputting electrical energy. The electrode assembly is provided in the housing assembly, and the electrode assembly has a tab. The current collecting member is provided in the housing assembly, and the current collecting member is configured to electrically connect the tab and the electrode lead-out portion. The current collecting member includes a body and an elastic portion connected to the body, one of the body and the elastic portion is welded to the tab, and the other is electrically connected to the electrode lead-out portion, and the elastic portion is configured to cushion vibrations between the electrode assembly and the housing assembly.

公开(公告)号：US11245149B2

公开(公告)日：2022-02-08

申请号：US17138716

申请日：2020-12-30

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

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

IPC: H01M2/04 ,  H01M2/26 ,  H01M2/06 ,  H01M10/0525 ,  H01M50/147 ,  H01M50/538 ,  H01M50/54 ,  H01M50/572 ,  H01M50/204 ,  H01M10/04 ,  H01M50/16 ,  H01M50/164 ,  H01M50/15 ,  H01M50/176

Abstract: Disclosed are a secondary battery, a battery module and an electric vehicle. The battery module includes a plurality of secondary batteries arranged in sequence. The secondary battery includes an electrode assembly, a housing and a top cover assembly. The electrode assembly is accommodated in an accommodating chamber of the housing. 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 and an insulating member arranged on an inner side of the top cover plate, the top cover plate being connected to the housing, the insulating member being located on a side of the electrode assembly in the axial direction. A first buffer gap is provided between the insulating member and the top cover plate.