公开(公告)号：US20220246992A1

公开(公告)日：2022-08-04

申请号：US17564537

申请日：2021-12-29

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Kai WU ,  Huihui LIU ,  Zhonghong LI ,  Long WANG ,  Tuo ZHENG ,  Huan CHE

IPC: H01M10/0587 ,  H01M10/0585 ,  H01M50/103 ,  H01M50/209 ,  H01M4/66 ,  H01M10/0583 ,  H01M4/38

Abstract: An embodiment of the present application provide an electrode assembly, a battery cell, a battery, and an electrode assembly manufacturing equipment and method. Among that, the electrode assembly includes a negative electrode plate and a positive electrode plate which form a bending region. The positive electrode plate includes bending portions located in the bending region, the bending portion includes a positive electrode current collecting layer and a positive active substance layer, and at least one side surface of the positive electrode current collecting layer is provided with the positive active substance layer in a thickness direction of the positive electrode plate. At least one positive active substance layer is provided with the barrier layer, at least a part of the barrier layer is intercalated in the positive active substance layer provided with the barrier layer, and coats at least a part of particles in the positive active substance layer.

公开(公告)号：US20220216518A1

公开(公告)日：2022-07-07

申请号：US17702653

申请日：2022-03-23

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Yongkun LI ,  Kai WU ,  Shaojie TIAN

IPC: H01M10/0567 ,  H01M10/0525 ,  H01M4/505 ,  H01M4/525 ,  H01M10/0569

Abstract: This application provides an electrolyte for lithium-ion battery, a lithium-ion battery, a battery module, a battery pack, and an apparatus. The electrolyte provided in this application includes a non-aqueous solvent, and a lithium salt and an additive that are dissolved in the non-aqueous solvent, and the additive includes a cyclosiloxane and a fluoroether. This application further provides a lithium-ion battery including the foregoing electrolyte. In the electrolyte provided in this application, the cyclosiloxane and the fluoroether are used together to synergistically react on a surface of the positive electrode, combining silicon and oxygen containing groups and fluorine and oxygen containing groups to form an interface film containing silicon, oxygen, and fluorine, which not only ensures density of the interface film, but also strengthens oxidation resistance and thermal stability of the interface film, greatly improving both storage performance and cycling performance of the lithium-ion battery under high temperature.

公开(公告)号：US20220021033A1

公开(公告)日：2022-01-20

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: H01M10/42 ,  H01M50/502 ,  H01M50/531 ,  H01M50/564 ,  B60L50/60 ,  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：US20210234219A1

公开(公告)日：2021-07-29

申请号：US15733847

申请日：2020-03-24

Applicant: Contemporary Amperex Technology Co., Limited

Inventor： Chengdu LIANG ,  Kai WU ,  Xinxiang CHEN ,  Shoujun HUANG ,  Baisong CHEN ,  Huasheng SU ,  Guowei LI

IPC: H01M50/15 ,  H01M50/176 ,  H01M50/547 ,  H01M50/188 ,  H01M50/593 ,  H01M10/0525

Abstract: The present disclosure relates to a top cover assembly of a secondary battery and a secondary battery, wherein the top cover assembly includes a top cover plate, provided with a through hole; an electrode terminal, covering the through hole; an insulating plate, wherein at least part of the insulating plate is arranged on a side of the top cover plate away from the electrode terminal; a seal, wherein at least part of the seal is arranged between the top cover plate and the electrode terminal; and an insulator, wherein at least part of the insulator is arranged between the top cover plate and the insulating plate; wherein the insulator and the seal at least jointly enclose a side wall of the through hole and an area, close to the through hole, on an upper surface of the top cover plate.

公开(公告)号：US20170352846A1

公开(公告)日：2017-12-07

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: H01M2/04 ,  H01M2/34 ,  H01M10/0525

CPC classification number: H01M2/0473 ,  H01M2/043 ,  H01M2/345 ,  H01M10/0525 ,  H01M2200/20 ,  H01M2220/20

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：US20160365547A1

公开(公告)日：2016-12-15

申请号：US15179921

申请日：2016-06-10

Applicant: Contemporary Amperex Technology Co., Limited

Inventor： Quankun LI ,  Pinghua DENG ,  Peng WANG ,  Kai WU ,  Junjie JIANG

IPC: H01M2/04 ,  H01M2/06

CPC classification number: H01M2/0486 ,  H01M2/043 ,  H01M2/0443 ,  H01M2/0456 ,  H01M2/06 ,  H01M2/345 ,  H01M2200/20 ,  H01M2220/20

Abstract: The top cover structure of the power battery includes a cap plate, a cathode column, a conducting piece and a reversing piece, the conducting piece is electrically connected with the cathode column, the cathode column is insulatedly assembled with the cap plate; the reversing piece includes a welding part, a embossment with a solid core structure and a joint part arranged between the welding part and the embossment, the embossment is arranged at the center of the joint part, the welding part is arranged on the outer margin of the joint part; the welding part is electrically connected with the cap plate, the embossment does not contact the conducting piece, when the pressure inside the power battery increases, the reversing piece receives the pressure inside the power battery, and moves upwards, so that the embossment is electrically connected to the conducting piece.

Abstract translation: 动力电池的顶盖结构包括盖板，阴极柱，导电片和反向片，导电片与阴极柱电连接，阴极柱与盖板绝缘组装; 反转片包括焊接部分，具有实心芯结构的压花和布置在焊接部分和压纹之间的接合部分，压纹布置在接合部分的中心处，焊接部分布置在 联合部分; 焊接部与盖板电连接时，压电体不接触导电片，当动力电池内部的压力增大时，反转片承受动力电池内部的压力，向上运动，使压电电气 连接到导电件。

公开(公告)号：US20250083511A1

公开(公告)日：2025-03-13

申请号：US18956814

申请日：2024-11-22

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED ,  CONTEMPORARY AMPEREX INTELLIGENCE TECHNOLOGY (SHANGHAI) LIMITED

Inventor： Kai WU ,  Xiaowei SUN

IPC: B60K1/04 ,  H01M50/249 ,  H01M50/262

Abstract: A housing that is configured to be mounted on a vehicle body of a vehicle includes a housing body, a first mounting part, and a second mounting part, where the housing body has an accommodating cavity; the first mounting part is provided on the housing body and is configured to fix a battery in the accommodating cavity; and the second mounting part is provided on the housing body and is configured to fix a plurality of electronic modules in the accommodating cavity.

公开(公告)号：US20240384930A1

公开(公告)日：2024-11-21

申请号：US18532963

申请日：2023-12-07

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Kai WU ,  Haohao YAN ,  Jiancheng CAI ,  Ganyu XU ,  Haohua YU ,  Guangsheng CHEN

IPC: F26B3/12 ,  B05B3/00 ,  B05B3/10

Abstract: A sprayer includes a sprayer body. The sprayer body is provided with a liquid material inlet, a liquid material nozzle, a gas inlet, a gas nozzle, a liquid material channel, and a gas channel. The liquid material nozzle and the liquid material inlet both communicate with the liquid material channel, the gas nozzle and the gas inlet both communicate with the gas channel, and the gas nozzle is provided at the liquid material nozzle. A dispersing member is provided in the liquid material channel and disposed at the liquid material nozzle. The dispersing member divides the liquid material channel into multiple sub-channels communicating with the liquid material nozzle.

公开(公告)号：US20240270337A1

公开(公告)日：2024-08-15

申请号：US18642303

申请日：2024-04-22

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Hao WANG ,  Yongjie LI ,  Kai WU

IPC: B62D65/02 ,  B62D65/12 ,  B62D65/14 ,  B62D65/18 ,  G05D1/646 ,  G05D107/70 ,  G05D109/10

CPC classification number: B62D65/024 ,  B62D65/12 ,  B62D65/14 ,  B62D65/18 ,  G05D1/646 ,  G05D2107/70 ,  G05D2109/10

Abstract: A vehicle includes an electric chassis provided with a navigation device and a vehicle body to be connected to the electric chassis. The navigation device is configured to control the electric chassis to travel according to a predetermined path. A vehicle final assembly line includes: a vehicle body positioning device, configured to position the vehicle body on the electric chassis to connect the vehicle body to the electric chassis at a marriage station when the navigation device controls the electric chassis to travel to the marriage station according to the predetermined path, and control the vehicle body and the electric chassis that are connected to each other to travel to a plurality of assembly stations in sequence according to the predetermined path so as to complete assembly of the vehicle at the plurality of assembly stations, and the assembled vehicle leaves the line at an end-of-line station.

公开(公告)号：US20240017585A1

公开(公告)日：2024-01-18

申请号：US18353185

申请日：2023-07-17

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Yao LIU ,  Yu ZHAO ,  Zhengzhu ZHOU ,  Liwen JIANG ,  Kai WU

IPC: B60H1/00 ,  B60H1/14

CPC classification number: B60H1/00392 ,  B60H1/00278 ,  B60H1/00914 ,  B60H1/143 ,  B60H1/00064 ,  B60H1/00885 ,  B60H2001/00935 ,  B60H2001/00949

Abstract: Provided is a thermal management system for an electric vehicle. The thermal management system includes: first heat exchange means configured to regulate a temperature of a vehicle interior; and second heat exchange means configured to regulate a temperature of the battery; where the first heat exchange means and the second heat exchange means are coupled in series or in parallel for simultaneously regulating the temperatures of the vehicle interior and the battery. The thermal management system for the electric vehicle simultaneously regulates the temperatures of the battery and the vehicle interior through the first heat exchange means and the second heat exchange means, a vehicle interior thermal management system and a battery thermal management system which is beneficial to keeping the battery (10) in a normal working temperature range, to improving the energy utilization, and to increasing a cruising range of the electric vehicle. An electric vehicle is disclosed.