公开(公告)号：US20210066677A1

公开(公告)日：2021-03-04

申请号：US16994247

申请日：2020-08-14

Applicant: Contemporary Amperex Technology Co., Limited

Inventor： Yu TANG ,  Yanbo CHEN ,  Yongguang WANG ,  Peng WANG ,  Kaijie YOU ,  Xingdi CHEN

IPC: H01M2/10 ,  H01M2/02

Abstract: A battery pack, includes a box assembly including a box body and a plurality of fixed beams, a plurality of battery modules, and a plurality of constraint components, each of which includes a limiting portion, a first mounting portion and a second mounting portion. The first mounting portion is provided with a plurality of first mounting holes along a length direction of the fixed beams. The second mounting portion is provided with a plurality of second mounting holes along the length direction. A plurality of first fasteners respectively pass through the first mounting holes and are fixed to one fixed beam. A plurality of second fasteners respectively pass through the second mounting holes and are fixed to the other fixed beam. The first mounting hole and the second mounting hole have different adjustment amounts in the arrangement direction.

公开(公告)号：US20210043901A1

公开(公告)日：2021-02-11

申请号：US16928523

申请日：2020-07-14

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Quankun LI ,  Shiyao ZHANG ,  Peng WANG

IPC: H01M2/12 ,  H01M2/04 ,  H01M2/08

Abstract: A cover assembly of a secondary battery and a secondary battery. The 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 protective part at least partially covering the gas vent and having a gas permeability coefficient smaller than a gas permeability coefficient of the gas exhaust valve.

公开(公告)号：US20200243896A1

公开(公告)日：2020-07-30

申请号：US16746478

申请日：2020-01-17

Applicant: Contemporary Amperex Technology Co., Limited

Inventor： Jie ZHANG ,  Zhijun GUO ,  Peng WANG

IPC: H01M10/04 ,  H01M2/26

Abstract: A battery unit and a battery module, where the battery unit includes an electrode assembly, including a first electrode and a second electrode, which have opposite polarities, each of the first electrode and the second electrode includes a coated portion and an uncoated portion, and the uncoated portion is located at an end part of a coated portion along the length direction of the electrode assembly and forms a tab; two terminals, arranged at the top of the electrode assembly; and two current collectors for electrically connecting the tabs on both sides of the electrode assembly with the terminals on the same side respectively. At least one end of at least one current collector along the width direction of the electrode assembly is a flat plate structure, and the tab covers the flat plate structure from the outer side after being bent.

公开(公告)号：US20200153139A1

公开(公告)日：2020-05-14

申请号：US16669055

申请日：2019-10-30

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Jianwei LI ,  Libing CHAN ,  Linggang ZHOU ,  Zhiqin WENG ,  Shengshen RUAN ,  Peng WANG

IPC: H01R13/05 ,  H01R13/631 ,  H01R13/627 ,  H01M2/22

Abstract: The present disclosure provides a battery product and an assembling method of the battery product, the battery product comprises a box and a heating connector. The box comprises a mounting panel. The mounting panel has a first receptacle portion and a second receptacle portion, and the second receptacle portion and the first receptacle portion are provided opposite to each other and communicating with each other. The heating connector comprises: a first plug assembly being mounted on the first receptacle portion; and a second plug assembly being mounted on the second receptacle portion. Compared with the technology related to the background, the battery product is equivalent to directly integrating the receptacle of the heating connector on the mounting panel, which not only eliminates the manner of fixing by the bolt, but also improves the integration of the battery product, thereby improving the space utilization and energy density.

公开(公告)号：US20190334139A1

公开(公告)日：2019-10-31

申请号：US16390935

申请日：2019-04-22

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Jianwei LI ,  Zhiqin WENG ,  Shengshen RUAN ,  Linggang ZHOU ,  Libing CHAN ,  Peng WANG

IPC: H01M2/10 ,  H01R11/28 ,  H02J7/00 ,  H01M10/42

Abstract: The present disclosure relates to the field of energy storage devices and in particular, to a housing used for a battery pack and a battery pack. The housing includes a main body and an installation panel. The main body includes a battery accommodation space and a panel installation window communicating with the battery accommodation space, and the battery accommodation space is configured to accommodate a battery. The installation panel and the main body are separately formed, and the installation panel is installed at the panel installation window. The installation panel includes a base and a connection device installation portion connected to the base, and the connection device installation portion is where a connection device that is connected to the battery is to be installed. The housing provided by the present disclosure has a relatively low production cost and a relatively high production efficiency.

公开(公告)号：US20180294447A1

公开(公告)日：2018-10-11

申请号：US15823131

申请日：2017-11-27

Applicant: Contemporary Amperex Technology Co., Limited

Inventor： Zhijun GUO ,  Mingchuan SUN ,  Peng WANG ,  Taosheng ZHU

IPC: H01M2/04 ,  H01M2/12 ,  H01M2/34 ,  H01M10/04

Abstract: The present disclosure provides a cap assembly for a secondary battery and the secondary battery. The cap assembly of the secondary battery includes: a cap plate including a cover sheet having a first electrode lead-out hole; a first terminal member including a first terminal and a conductive sealing ring, the first terminal penetrating into the first electrode lead-out hole and the conductive sealing ring surrounding the first terminal and sealing the first electrode lead-out hole, wherein the conductive sealing ring is in a compression state, the first terminal is electrically connected with the cover sheet through the conductive sealing ring, and the conductive sealing ring has a resistance value greater than a resistance value of the first terminal.

公开(公告)号：US20180145288A1

公开(公告)日：2018-05-24

申请号：US15631214

申请日：2017-06-23

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Quankun LI ,  Lingbo ZHU ,  Jian GUO ,  Pinghua DENG ,  Peng WANG

IPC: H01M2/04 ,  H01M2/02

CPC classification number: H01M2/0482 ,  H01M2/0212 ,  H01M2/0404 ,  H01M2/043 ,  H01M2/0456 ,  H01M2/0473 ,  H01M2/0486 ,  H01M2/345 ,  H01M10/0525 ,  H01M2200/20 ,  H01M2220/20 ,  Y02E60/122

Abstract: This application provides a top cover plate of 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 a first connecting portion integrated with the top cover plate as a whole, the first electrode unit includes the deformable plate, a conductive plate and an insulation piece, the insulation piece is provided with a second connecting portion and a conductive plate connecting portion, the deformable plate seals the deformable plate connecting hole, the conductive plate is located underneath the deformable plate, and electrically connected with the deformable plate, the insulation piece is fixed underneath the top cover plate through cooperation of the first connecting portion and the second connecting portion, the conductive plate is insulated from and fixed with the top cover plate through the conductive plate connecting portion.

公开(公告)号：US20180138488A1

公开(公告)日：2018-05-17

申请号：US15479216

申请日：2017-04-04

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Zhiyu WANG ,  Peng WANG ,  Rulai CAI ,  Baisong CHEN

IPC: H01M2/34 ,  H01M2/04

CPC classification number: H01M2/345 ,  H01M2/043 ,  H01M2/1229 ,  H01M2/30 ,  H01M2200/20 ,  H01M2220/20

Abstract: The present application relates to a top cover structure for a power battery and a power battery, the top cover structure includes a first electrode assembly, a second electrode assembly, a first resistance, a second resistance, a top cover plate, a first short circuit component and a second short circuit component, the first electrode assembly is electrically connected with the top cover plate through the first resistance for all time, the first short circuit component and the second short circuit component are both attached onto the top cover plate, when an internal pressure of the power battery exceeds a reference pressure, the first short circuit component and the second short circuit component deform by effect of pressure, so as to form a first electrical connecting path and a second electrical connecting path, the second resistance is connected into the first electrical connecting path in series.

公开(公告)号：US20170271644A1

公开(公告)日：2017-09-21

申请号：US15258686

申请日：2016-09-07

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Jian GUO ,  Quankun LI ,  Pinghua DENG ,  Peng WANG ,  Lingbo ZHU

IPC: H01M2/26 ,  H01M10/0525

CPC classification number: H01M2/26 ,  H01M2/22 ,  H01M2/24 ,  H01M2/266 ,  H01M2/28 ,  H01M10/052 ,  H01M10/0525

Abstract: The present application relates to an electrode tab pad plate, the electrode tab pad plate is of a fork shape, including a joint part and two first fork feet, the two first fork feet are arranged in parallel, and a first gap is provided between the two first fork feet, both the first fork feet are connected with the joint part. The electrode tab pad plate provided by the present application, through gathering the electrode tabs at inner sides of the electrode tab pad plate, so that the electrode tabs are gathered toward the direction away from the battery housing, so as to guarantee the safety performance of the Li-ion battery, since the space occupied by the electrode tab pad plate is small, which facilitates the improvement of the cell capacity, thereby improving the performance of the battery.

公开(公告)号：US20240421371A1

公开(公告)日：2024-12-19

申请号：US18819846

申请日：2024-08-29

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Long CHEN ,  Denghua LIN ,  Xinxiang CHEN ,  Shoujun HUANG ,  Yulian ZHENG ,  Peng WANG ,  Haizu JIN

IPC: H01M10/48 ,  H01M50/249 ,  H01M50/538 ,  H01M50/567 ,  H01M50/578

Abstract: The present application discloses a battery cell, a battery, and an electricity consuming apparatus. The battery cell includes a shell and a first detection assembly. The first detection assembly is disposed on the shell, and the first detection assembly is configured to detect status information of the battery cell. In the technical solution of embodiments of the present application, the first detection assembly is disposed in the battery cell, which can obtain the operating status information of the battery cell, monitor the battery cell, and find abnormal conditions of the battery cell during operation in a timely manner, thereby improving the operational stability of the battery cell and the safety of the battery.