公开(公告)号：US20240304945A1

公开(公告)日：2024-09-12

申请号：US18658920

申请日：2024-05-08

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Yanyun Ma ,  Haiyi Hong ,  Xiaonan Cheng ,  Peng Wang ,  Lei Chao ,  Jianrui Yang ,  Yi Zheng ,  Chengdong Sun

IPC: H01M50/446 ,  H01M50/42 ,  H01M50/434

CPC classification number: H01M50/446 ,  H01M50/42 ,  H01M50/434

Abstract: This application discloses a separator and a preparation method therefor, a battery, and an electric apparatus. The coating is formed on at least part of a surface of the substrate, the coating includes composite particles, first inorganic particles, and a binder, the composite particles form bulges on a surface of the coating, the composite particles include polyacrylate particles and ion-conducting particles, and the ion-conducting particle is present between at least two polyacrylate particles. A mass ratio of the first inorganic particles to the ion-conducting particles is 1:0.007-0.06.

公开(公告)号：US20240291091A1

公开(公告)日：2024-08-29

申请号：US18655354

申请日：2024-05-06

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Wenhui Zhang ,  Pengcheng Yao ,  Xingdi Chen ,  Peng Wang

IPC: H01M50/249 ,  H01M50/204

CPC classification number: H01M50/249 ,  H01M50/204 ,  H01M2220/20

Abstract: This application relates to a box, a battery, and an electric apparatus. The box has an accommodating cavity for accommodating a battery cell and a top surface facing away from the accommodating cavity; a first region and a second region are formed on the top surface of the box. The second region surrounds the first region, the second region is constructed with multiple mounting portions, and the battery is mounted to an external apparatus through the mounting portions. A distance between geometric centers of orthographic projections of every two adjacent mounting portions in the second region is 80 mm-500 mm.

公开(公告)号：US12074337B2

公开(公告)日：2024-08-27

申请号：US16980316

申请日：2019-11-19

Applicant: Contemporary Amperex Technology Co., Limited

Inventor： Kaijie You ,  Yongguang Wang ,  Peng Wang ,  Xingdi Chen ,  Yu Tang ,  Zequan Lu

IPC: H01M50/342 ,  B60L50/60 ,  H01M50/249

CPC classification number: H01M50/3425 ,  B60L50/60 ,  H01M50/249 ,  H01M2220/20

Abstract: The present disclosure relates to a battery pack and transportation vehicle, wherein the battery pack includes: a box assembly; a restraint assembly disposed within the box assembly, wherein the restraint assembly is internally provided with an accommodating cavity, a first exhaust passage is provided between the restraint assembly and the box assembly, and the restraint assembly is provided with a communication hole which communicates the accommodating cavity with the first exhaust passage; and a battery module disposed within the accommodating cavity.

公开(公告)号：US12062798B2

公开(公告)日：2024-08-13

申请号：US17954358

申请日：2022-09-28

Applicant: Contemporary Amperex Technology Co., Limited

Inventor： Yong Zhou ,  Zhijun Guo ,  Peng Wang

IPC: H01M50/15 ,  H01M10/0587 ,  H01M50/147 ,  H01M50/342 ,  H01M50/60 ,  H01M50/627

CPC classification number: H01M50/15 ,  H01M10/0587 ,  H01M50/147 ,  H01M50/3425 ,  H01M50/60 ,  H01M50/627

Abstract: The disclosure relates to a power battery and a battery module. The power battery includes: a case including an opening; a first cap assembly covering the opening and including a liquid injection hole, and an electrode assembly disposed in the case. An end of the electrode assembly extending out of a tab is disposed opposite to the first cap assembly. The liquid injection hole includes a first inlet and a first outlet, the first cap assembly includes a first blocking member, the first blocking member is disposed between the first outlet and the electrode assembly, and the first blocking member at least partially blocks the first outlet

公开(公告)号：US20240266658A1

公开(公告)日：2024-08-08

申请号：US18609901

申请日：2024-03-19

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Yu Tang ,  Zhimin Zeng ,  Haiqi Yang ,  Xiaoteng Huang ,  Peng Wang ,  Chenyi Xu

IPC: H01M50/242 ,  H01M50/204 ,  H01M50/244

CPC classification number: H01M50/242 ,  H01M50/204 ,  H01M50/244

Abstract: A battery pack and an electric apparatus are disclosed. The battery pack includes a cell dummy and multiple battery cells, a housing, a mounting beam, and a support beam. The housing is provided with an accommodating cavity, and the cell dummy and the multiple battery cells are all disposed in the accommodating cavity. The mounting beam is disposed in a length direction of the accommodating cavity and defines, together with the accommodating cavity, a mounting space for accommodating the cell dummy and the multiple battery cells. The support beam is disposed in a width direction of the accommodating cavity and is mounted in a manner of fitting with the cell dummy. The cell dummy being provided with the support beam perpendicular to the mounting beam can enhance structural strength of the battery pack in the width direction of the accommodating cavity.

公开(公告)号：US20240162547A1

公开(公告)日：2024-05-16

申请号：US18416919

申请日：2024-01-19

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Yongguang Wang ,  Jinfeng Li ,  Yifeng Chen ,  Feng Qin ,  Peng Wang

IPC: H01M50/244 ,  H01M50/289 ,  H01M50/593

CPC classification number: H01M50/244 ,  H01M50/289 ,  H01M50/593

Abstract: Provided are a battery and an electrical apparatus. The battery comprises: a case for accommodating battery cells; a first insulating component disposed in the case and sleeved on the battery cells, the first insulating component comprising a first substrate and a first extending portion extending from a surface of the first substrate toward the battery cells, and a second extending portion extending from an outer edge of the first substrate toward the battery cells, the first extending portion is used to position the battery cells, and an extension length of the second extending portion is greater than an extension length of the first extending portion.

公开(公告)号：US11955654B2

公开(公告)日：2024-04-09

申请号：US17123092

申请日：2020-12-15

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Yuqun Zeng ,  Pengcheng Yao ,  Zhimin Zeng ,  Kai Wu ,  Xingdi Chen ,  Peng Wang ,  Xiaobo Chen

IPC: H01M50/30 ,  H01M10/42 ,  H01M10/613 ,  H01M10/647 ,  H01M10/6567 ,  H01M50/249 ,  H01M50/271 ,  H01M50/618 ,  H01M10/0525

CPC classification number: H01M50/30 ,  H01M10/42 ,  H01M10/613 ,  H01M10/647 ,  H01M10/6567 ,  H01M50/249 ,  H01M50/271 ,  H01M50/618 ,  H01M10/0525

Abstract: The present application discloses a battery, and a related device, preparation apparatus thereof. The battery includes a battery cell, the battery cell including a pressure relief mechanism and at least two walls, the at least two walls including a first wall and a second wall that intersect with each other, the pressure relief mechanism being disposed at the first wall and being configured to, when an internal pressure or temperature of the battery cell reaches a threshold, be actuated to release the internal pressure; a thermal management component attached to the first wall and being configured to accommodate a fluid to cool the battery cell; and a support component attached to the second wall, and configured to support the battery cell; wherein the thermal management component is configured such that when the pressure relief mechanism is actuated, emissions discharged from the battery cell pass through the thermal management component.

公开(公告)号：US11894568B2

公开(公告)日：2024-02-06

申请号：US17462741

申请日：2021-08-31

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Xiang Li ,  Yulian Zheng ,  Peng Wang ,  Shoujun Huang ,  Xinxiang Chen

IPC: H01M50/188 ,  H01M50/147 ,  H01M50/209 ,  H01M50/543 ,  B60K1/04 ,  H01M50/562 ,  H01M50/529 ,  H01M50/159 ,  H01M50/157 ,  H01M50/197

CPC classification number: H01M50/188 ,  B60K1/04 ,  H01M50/147 ,  H01M50/209 ,  H01M50/543 ,  B60K2001/0438 ,  H01M50/157 ,  H01M50/159 ,  H01M50/197 ,  H01M50/529 ,  H01M50/562 ,  H01M2220/20 ,  Y02E60/10

Abstract: This application relates to a secondary battery, a battery column, and an apparatus. The secondary battery includes a top cover plate, having an outer surface and an inner surface disposed opposite each other in a thickness direction of the top cover plate and an electrode lead-out hole extending along the thickness direction; a pole, disposed in the electrode lead-out hole, where the pole includes a first metal layer and a second metal layer, and the first metal layer and the second metal layer are stacked along a direction from the inner surface to the outer surface; an insulation member, disposed between the top cover plate and the pole; and a first bonding layer, disposed between the insulation member and the first metal layer, where the insulation member is hermetically connected to the first metal layer through the first bonding layer.

公开(公告)号：US11831036B2

公开(公告)日：2023-11-28

申请号：US18087404

申请日：2022-12-22

Applicant: Contemporary Amperex Technology Co., Limited

Inventor： Yongguang Wang ,  Yu Tang ,  Xingdi Chen ,  Peng Wang ,  Jinqing Ji ,  Mu Qian

IPC: H01M50/242 ,  H01M50/264 ,  H01M10/52 ,  H01M50/222

CPC classification number: H01M50/242 ,  H01M10/52 ,  H01M50/222 ,  H01M50/264

Abstract: The present disclosure relates to a battery pack and an apparatus using the battery pack as a power supply, and relates to the technical field of batteries, to optimize performance of the battery pack. The battery pack includes a box body, a battery module, a module electrical connection piece, and a first protecting assembly. The battery module is mounted in the box body, and the battery module includes an anti-explosion assembly. The module electrical connection piece is mounted on the battery module. The first protecting assembly is mounted in the box body and is configured to protect the module electrical connection piece when an ejecta discharged from the anti-explosion assembly impacts the module electrical connection piece. The above technical scheme reduces probability of secondary short circuit of the battery pack.

公开(公告)号：US11824177B2

公开(公告)日：2023-11-21

申请号：US15734553

申请日：2020-05-20

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Kaijie You ,  Yongguang Wang ,  Peng Wang ,  Linggang Zhou ,  Xingdi Chen

IPC: H01M10/6554 ,  H01M10/613 ,  H01M50/249 ,  H01M50/204 ,  H01M50/233

CPC classification number: H01M10/6554 ,  H01M10/613 ,  H01M50/204 ,  H01M50/233 ,  H01M50/249 ,  H01M2220/20

Abstract: The present application relates to a battery pack, a method for manufacturing a battery pack and a vehicle. The battery pack includes a case assembly including a case, a thermally conductive beam and a temperature control component, the thermally conductive beam being disposed in the case and connected to the case, and the temperature control component being disposed in a bottom region of the case; a thermally conductive cover connected to the thermally conductive beam and located above the thermally conductive beam along a height direction of the battery pack, where the thermally conductive cover, the case and the thermally conductive beam enclose and form a first chamber; and a plurality of battery cells integrally forming a battery assembly, the battery assembly being disposed in the first chamber and located above the temperature control component.