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：US10910622B2

公开(公告)日：2021-02-02

申请号：US16234955

申请日：2018-12-28

Applicant: Contemporary Amperex Technology Co., Limited

Inventor： Jiandong Yang ,  Jian Guo ,  Chengyou Xing ,  Xiaowen Zhang ,  Haizu Jin ,  Yongshou Lin

IPC: H01M2/20 ,  H01M2/26 ,  H01M10/0525

Abstract: A connection member and a rechargeable battery are provided. The connection member includes a guide plate, two first connection plates and a second connection plate; the two first connection plates are respectively connected to two sides of the guide plate in a width direction and are arranged bendably with respect to the guide plate; the second connection plate is connected to an upper end of the guide plate in a height direction Z, and the top ends of the two first connection plates are at different heights. In some examples, overcurrent capability of the connection member and rapid charging capability and safety performance of the rechargeable battery can be improved.

公开(公告)号：US11824167B2

公开(公告)日：2023-11-21

申请号：US17345077

申请日：2021-06-11

Applicant: Contemporary Amperex Technology Co., Limited

Inventor： Qing Xia ,  Jiang Liu ,  Guobao Wang ,  Xiaomei Liu ,  Yongshou Lin

IPC: H01M10/0587 ,  H01M10/0525 ,  H01M4/36 ,  H01M4/62 ,  H01M4/02

CPC classification number: H01M10/0587 ,  H01M4/366 ,  H01M4/62 ,  H01M10/0525 ,  H01M2004/021 ,  H01M2004/027

Abstract: The present application discloses a wound electrode assembly, wherein the negative electrode plate thereof includes a negative electrode current collector and a negative active material layer which includes a negative active material disposed on two opposite surfaces of the negative electrode current collector; and the two negative active material layers respectively include active an material layer in an unpaired region and an active material layer in a paired region distributed successively in the length direction of the negative electrode plate, and two active material layers in the unpaired regions are arranged at both ends in the length direction of the negative electrode plate, and a first metallic lithium layer is disposed on the surface of one or both of the active material layers in the unpaired regions, so that to form a first lithium pre-intercalation compound in either or both of the active material layers in the unpaired regions.

公开(公告)号：US11631919B2

公开(公告)日：2023-04-18

申请号：US17113034

申请日：2020-12-05

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Kai Wu ,  Wei Wang ,  Yuepan Hou ,  Peng Wang ,  Xiaobo Chen ,  Yao Li ,  Yongshou Lin

IPC: H01M50/342 ,  H01M10/6554 ,  H01M10/6567 ,  H01M50/20

Abstract: Embodiments of the present application provide a battery, a power consumption device, a method and device for preparing a battery. The battery includes: a battery cell including a pressure relief mechanism, the pressure relief mechanism being disposed at a first wall of the battery cell; and a thermal management component configured to accommodate a fluid to adjust a temperature of the battery cell; where a first surface of the thermal management component is attached to the first wall of the battery cell, the thermal management component is configured to be capable of being damaged by emissions discharged from the battery cell when the pressure relief mechanism is actuated, such that the emissions pass through the thermal management component. According to the technical solutions of the embodiments of the present application, the safety of the battery can be enhanced.

公开(公告)号：US11532857B2

公开(公告)日：2022-12-20

申请号：US17139814

申请日：2020-12-31

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Kaijie You ,  Linggang Zhou ,  Dongyang Shi ,  Yanhuo Xiang ,  Yongshou Lin ,  Fei Hu

IPC: H01M50/507 ,  H01M50/244 ,  H01M50/547 ,  H01M50/207 ,  H01M50/342 ,  H01M10/0587

Abstract: The present disclosure provides a battery module, including a first battery cell arrangement structure, a second battery cell arrangement structure and a bus bar array. With battery cells stacked in a horizontal direction, a first battery cell arrangement structure and a second battery cell arrangement structure are stacked in a vertical direction, and a first bus bar of a bus bar array is used to sequentially connect the battery cells of the first battery cell arrangement structure and the second battery cell arrangement structure. As a result, a total positive electrode and a total negative electrode of a battery module are located at two ends of the battery module, which greatly reduces the possibility of a short circuit of the battery module and improves the safety of the battery module.

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：US10170734B2

公开(公告)日：2019-01-01

申请号：US15349938

申请日：2016-11-11

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Quankun Li ,  Jian Guo ,  Peng Wang ,  Pinghua Deng ,  Kai Wu ,  Yongshou Lin

IPC: H01M2/00 ,  H01M2/04 ,  H01M2/34 ,  H01M10/0525

Abstract: The present application provides a top cover of a power battery, including a top cover plate, a first electrode unit and a second electrode unit, the top cover plate is provided with a deformable plate connecting hole and an insulation piece accommodating portion, the first electrode unit includes a deformable plate, a conductive plate and a first insulation piece, the deformable plate seals the deformable plate connecting hole, the conductive plate is located underneath the deformable plate, the first insulation piece includes a top cover plate connecting portion and a conductive plate connecting portion, the top cover plate connecting portion extends into the insulation piece accommodating portion and is fixed thereof, the conductive plate is insulated and fixed with the top cover plate through the conductive plate connecting portion. The present application further provides a power battery, including the top cover of the power battery.

公开(公告)号：US20180138490A1

公开(公告)日：2018-05-17

申请号：US15485818

申请日：2017-04-12

Applicant: Contemporary Amperex Technology Co., Limited

Inventor： Yongshou Lin ,  Quankun Li

IPC: H01M2/34 ,  H01M2/30 ,  H01M2/26

CPC classification number: H01M2/345 ,  H01M2/06 ,  H01M2/206 ,  H01M2/26 ,  H01M2/305 ,  H01M2200/20 ,  H01M2220/20

Abstract: Provided is a secondary battery, which includes a first terminal, a second terminal, a top cover plate, an electrode assembly, a connecting piece and a deformable plate, the electrode assembly comprises a first and a second electrode plate and a separator therebetween; at least one of the first and second terminal is insulatedly arranged from the top cover plate; the connecting piece is electrically connected with the second terminal; in a normal state, the first electrode plate is electrically connected with the first terminal through the deformable plate, the second electrode plate is electrically connected with the second terminal; when an internal pressure of the secondary battery exceeds a reference pressure, the deformable plate deforms to interrupt an electrical connection with the first electrode plate, the deformable plate after deforming is electrically connected with the connecting piece, so that the first terminal is electrically connected with the second terminal.