公开(公告)号：US12002996B2

公开(公告)日：2024-06-04

申请号：US17167967

申请日：2021-02-04

Applicant: Contemporary Amperex Technology Co., Limited

Inventor： Yu Tang ,  Mingdi Xie ,  Zhanyu Sun ,  Kaijie You ,  Xingdi Chen ,  Long Li

IPC: H01M50/519 ,  H01M50/526 ,  H01M50/531 ,  H01M50/591

CPC classification number: H01M50/519 ,  H01M50/526 ,  H01M50/531 ,  H01M50/591

Abstract: A battery module, a battery pack, a device using a battery module as a power source, and a method of manufacturing a battery module are provided. The battery module includes: at least two battery cells; a connecting piece configured to electrically connect two battery cells of at least two battery cells; and a protective layer including a first protective portion configured to cover the connecting piece. A melting point of the first protective portion is greater than that of the connecting piece.

公开(公告)号：US11804627B2

公开(公告)日：2023-10-31

申请号：US17981536

申请日：2022-11-07

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Zhanyu Sun ,  Yuepan Hou ,  Xiaoteng Huang ,  Peng Wang ,  Haiqi Yang

IPC: H01M10/6554 ,  H01M50/209 ,  H01M10/625 ,  H01M10/6556

CPC classification number: H01M10/6554 ,  H01M10/625 ,  H01M10/6556 ,  H01M50/209 ,  H01M2220/20

Abstract: Provided are a battery, a power consumption device, a method for producing a battery, and a device. The battery includes: a plurality of battery cells arranged along a first direction and a thermal management component extending along the first direction and being connected to a first wall of each battery cell among the plurality of battery cells, the thermal management component including a pair of heat conducting plates that are oppositely arranged along a second direction and a flow passage located between the pair of heat conducting plates, the flow passage being configured to accommodate a fluid to adjust temperatures of the battery cell, and the second direction being vertical to the first wall, where in the second direction, a thickness D of the heat conducting plate and a size H of the flow passage satisfy: 0.01≤D/H≤25. Technical solutions of embodiments of the present application could enhance performance of batteries.

公开(公告)号：US20190064230A1

公开(公告)日：2019-02-28

申请号：US16112720

申请日：2018-08-26

Applicant: Contemporary Amperex Technology Co., Limited

Inventor： Yizhen Hou ,  Zhanyu Sun ,  Zhimin Dan ,  Jiechao Luo ,  Wei Zhang

IPC: G01R19/165

Abstract: The present disclosure provides a battery high voltage sampling circuit and a battery management system. The battery high voltage sampling circuit includes a positive relay, a negative relay, a first positive sampling unit, a first negative sampling unit and a reference voltage terminal, wherein: a first terminal of the positive relay is connected to a positive electrode of a power battery pack to be detected, a first terminal of the negative relay is connected to a negative electrode of the power battery pack to be detected, and both of the first positive sampling unit and the first negative sampling unit are connected to the reference voltage terminal.

公开(公告)号：US11973243B2

公开(公告)日：2024-04-30

申请号：US18355702

申请日：2023-07-20

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Xiaoteng Huang ,  Chenyi Xu ,  Langchao Hu ,  Junxiang Ma ,  Haiqi Yang ,  Jun Liu ,  Peng Wang ,  Zhanyu Sun

IPC: H01M10/48 ,  H01M50/30 ,  H01M50/317

CPC classification number: H01M50/394 ,  H01M10/482 ,  H01M50/317 ,  H01M2200/10 ,  H01M2200/20 ,  H01M2220/20

Abstract: A battery includes a battery cell having a first wall provided with a pressure relief mechanism configured to be actuated when internal pressure or temperature of the battery cell reaches a threshold, a fire-fighting pipeline configured to accommodate a fire-fighting medium and discharge the fire-fighting medium when the pressure relief mechanism is actuated, a first fixing member disposed on a side of the fire-fighting pipeline close to the first wall and provided with first and second limiting parts, and a second fixing member disposed on a side of the fire-fighting pipeline away from the first wall and provided with third and fourth limiting parts. The third and first limiting parts match each other to fix the fire-fighting pipeline between the first and second fixing members. The fourth and second limiting parts match each other to limit the second fixing member in an extending direction of the fire-fighting pipeline.

公开(公告)号：US11862776B2

公开(公告)日：2024-01-02

申请号：US17981536

申请日：2022-11-07

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Zhanyu Sun ,  Yuepan Hou ,  Xiaoteng Huang ,  Peng Wang ,  Haiqi Yang

IPC: H01M10/6554 ,  H01M50/209 ,  H01M10/625 ,  H01M10/6556

CPC classification number: H01M10/6554 ,  H01M10/625 ,  H01M10/6556 ,  H01M50/209 ,  H01M2220/20

Abstract: Provided are a battery, a power consumption device, a method for producing a battery, and a device. The battery includes: a plurality of battery cells arranged along a first direction and a thermal management component extending along the first direction and being connected to a first wall of each battery cell among the plurality of battery cells, the thermal management component including a pair of heat conducting plates that are oppositely arranged along a second direction and a flow passage located between the pair of heat conducting plates, the flow passage being configured to accommodate a fluid to adjust temperatures of the battery cell, and the second direction being vertical to the first wall, where in the second direction, a thickness D of the heat conducting plate and a size H of the flow passage satisfy: 0.01≤D/H≤25. Technical solutions of embodiments of the present application could enhance performance of batteries.

公开(公告)号：US11588186B2

公开(公告)日：2023-02-21

申请号：US17488497

申请日：2021-09-29

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Peng Wang ,  Xingdi Chen ,  Mingdi Xie ,  Linggang Zhou ,  Zhanyu Sun ,  Kai Wu

IPC: H01M10/00 ,  H01M10/42 ,  B60L50/60 ,  H01M50/502 ,  H01M50/531 ,  H01M50/564 ,  B60K1/04

Abstract: A battery module, a device, and a failure handling method for a failed battery cell. The battery module includes: a battery cell arrangement structure, including a plurality of battery cells arranged along a length direction, where the battery cells include electrode terminals, and the battery cells include a failed battery cell; a box body, having an accommodation cavity in which the battery cell arrangement structure is located; a mounting beam, located in the accommodation cavity and at an end of the battery cell arrangement structure along the width direction; a pressing plate; and a conductive component, connected to a positive electrode terminal and a negative electrode terminal of the failed battery cell. The conductive component is easily connected to electrode terminals of a failed battery cell, so that a maintenance process can be simplified and maintenance costs can be reduced.

公开(公告)号：US10884061B2

公开(公告)日：2021-01-05

申请号：US16112719

申请日：2018-08-26

Applicant: Contemporary Amperex Technology Co., Limited

Inventor： Jiechao Luo ,  Wei Zhang ,  Zhanyu Sun ,  Yizhen Hou ,  Zhimin Dan

IPC: G01R31/364 ,  G01R31/327 ,  H01H47/00 ,  G01R31/36

Abstract: A relay diagnosis circuit, diagnosis method, and battery management system are disclosed in the present disclosure. The relay diagnosis circuit may include a first sampling unit, a second sampling unit, a first sampling point, a second sampling point, a reference voltage terminal, and a processor. A first end of the first sampling unit is connected with voltage output end of the power battery pack to be measured and a first end of a relay. A second end of the first sampling unit is connected with the reference voltage terminal and the first sampling point. A first end of the second sampling unit is connected with a second end of the relay. A second end of the second sampling unit is connected with the reference voltage terminal and the second sampling point.

公开(公告)号：US12113234B2

公开(公告)日：2024-10-08

申请号：US18172036

申请日：2023-02-21

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Shiyao Zhang ,  Quankun Li ,  Peng Wang ,  Zhanyu Sun ,  Siying Huang ,  Jinmei Xu

IPC: H01M50/342 ,  H01M10/04 ,  H01M50/147 ,  H01M50/20 ,  H01M50/543 ,  H01M50/578

CPC classification number: H01M50/342 ,  H01M10/0413 ,  H01M50/147 ,  H01M50/20 ,  H01M50/543 ,  H01M50/578 ,  H01M2200/00

Abstract: A cover assembly includes a cover plate including a gas vent, a gas exhaust valve configured to seal the gas vent and deform in response to an increase in temperature to get out of a state of sealing the gas vent, and a sealing part. The gas exhaust valve includes a metal sheet and a fixing part. The metal sheet seals the gas vent. The sealing part is arranged between the metal sheet and the cover plate for sealing a gap between the metal sheet and the cover plate. The fixing part is connected to the metal sheet. The metal sheet is fixed to the cover plate by the fixing part. The fixing part is configured to deform in response to an increase in temperature in such a manner that the metal sheet gets out of the state of sealing the gas vent.

公开(公告)号：US20240222778A1

公开(公告)日：2024-07-04

申请号：US18605840

申请日：2024-03-15

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Yongguang Wang ,  Yifeng Chen ,  Yangzhi Huang ,  Jinqing Ji ,  Zhanyu Sun

IPC: H01M50/289 ,  H01M10/04 ,  H01M50/204

CPC classification number: H01M50/289 ,  H01M10/0404 ,  H01M10/0481 ,  H01M50/204

Abstract: Embodiments of the present application relate to the technical field of batteries, and in particular relates to a battery, an electric device, and a production method and a manufacturing die of the battery. The battery includes a frame body, a plurality of battery cells, and a bonding agent, where the frame body is provided with an accommodating cavity, and the accommodating cavity is provided with an opening in a first direction; the plurality of battery cells are arranged in the accommodating cavity, and electrode terminals of the plurality of battery cells face towards the opening; and the bonding agent is arranged in the accommodating cavity, and the bonding agent is used to connect the plurality of battery cells and the frame body. The battery provided by the present application can prevent or reduce a relative displacement among battery cells, and improve the electrical connection stability of the battery.

公开(公告)号：US11677125B2

公开(公告)日：2023-06-13

申请号：US17058490

申请日：2019-11-25

Applicant: Contemporary Amperex Technology Co., Limited

Inventor： Yulian Zheng ,  Xiaoping Zhang ,  Peng Wang ,  Zhanyu Sun

IPC: H01M50/593 ,  H01M50/586 ,  H01M50/533 ,  H01M50/547 ,  H01M50/172 ,  H01M50/15

CPC classification number: H01M50/593 ,  H01M50/15 ,  H01M50/172 ,  H01M50/533 ,  H01M50/547 ,  H01M50/586

Abstract: The present disclosure relates to a battery cell to alleviate the problem of impurities falling into an electrode assembly. Wherein, the battery cell includes: an electrode assembly including a tab and a cell body, wherein the tab is connected to the cell body; a cover plate assembly including an electrode terminal and a cover plate, wherein the electrode terminal is disposed on the cover plate; a connecting sheet connected between the tab and the electrode terminal, the connecting sheet includes a first connecting portion and a second connecting portion, wherein the first connecting portion is connected to the tab, and the second connecting portion is connected to the electrode terminal; an insulating pallet disposed between the cell body and the connecting sheet; and an insulation member disposed between the insulating pallet and the second connecting portion.