公开(公告)号：US11780645B2

公开(公告)日：2023-10-10

申请号：US16663058

申请日：2019-10-24

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Yuqun Zeng ,  Fenggang Zhao ,  Xingdi Chen ,  Lei Wang ,  Linggang Zhou ,  Peng Wang

IPC: B65D21/02 ,  H01M50/249 ,  H01M50/242 ,  H01M50/202 ,  B60L50/60 ,  B60L50/64 ,  B60K1/04

CPC classification number: B65D21/0217 ,  H01M50/202 ,  H01M50/242 ,  H01M50/249 ,  B60K1/04 ,  B60L50/64 ,  B60L50/66 ,  H01M2220/20 ,  Y02E60/10 ,  Y02T10/70

Abstract: The present disclosure provides a battery box and a vehicle, the battery box comprises an upper box body, a lower box body, a connecting member, a fixing member. The upper box body comprises a first eave portion, the lower box body comprises a second eave portion. The first eave portion is provided with a first connecting hole, the second eave portion is provided with a second connecting hole and a mounting hole. The connecting member passes through the first connecting hole and the second connecting hole to connect the upper box body and the lower box body. The fixing member passes through the mounting hole to make the lower box body mounted to external equipment, compared with the conventional battery box, the lower box body is equivalent to the arrangement of eliminating the third eave portion, it simplifies the structure and reduces the weight, thereby improving the energy density.

公开(公告)号：US20230268491A1

公开(公告)日：2023-08-24

申请号：US18308691

申请日：2023-04-28

Applicant: Contemporary Amperex Technology Co., Limited

Inventor： Yuqun Zeng

IPC: H01M4/36 ,  H01M4/58 ,  H01M4/62 ,  H01M4/60

CPC classification number: H01M4/366 ,  H01M4/5825 ,  H01M4/608 ,  H01M4/625 ,  H01M2004/028

Abstract: A positive electrode active material, an electrochemical apparatus, and an electronic device are provided. In some embodiments, the positive electrode active material comprises a conductive base material and an active substance distributed on the conductive base material, the active substance having a core-shell structure, and the core-shell structure being composed of a core layer material and a shell layer material. The core layer material comprises a phosphate-based sodium salt material, the shell layer material comprises a conductive polymer, and the conductive base material comprises a carbon material.

公开(公告)号：US11656672B2

公开(公告)日：2023-05-23

申请号：US17315260

申请日：2021-05-07

Applicant: Contemporary Amperex Technology Co., Limited

Inventor： Yuqun Zeng ,  Kai Wu ,  Le Chu ,  Jianwei Zhuo ,  Qiandeng Li

IPC: G06F1/26 ,  G06F1/30 ,  G06F1/32 ,  G06F1/3225 ,  G06F1/3234

CPC classification number: G06F1/3225 ,  G06F1/263 ,  G06F1/30 ,  G06F1/3275

Abstract: The present application provides a method for controlling a power-down detection circuit, a controller and a computer readable storage medium. The method includes: receiving, by a controller of a power-down detection circuit, a power-down signal, wherein the power-down signal is sent from a power-down detection sub-circuit of the power-down detection circuit when it is determined by the power-down detection sub-circuit that an output voltage of a low-voltage side power supply of the power-down detection circuit is smaller than a threshold, and wherein the power-down detection sub-circuit and the controller are powered by the low-voltage side power supply; controlling, by the controller, a memory of the power-down detection circuit to record fault information, wherein the fault information comprises current information of a high voltage bus sensed by a high-voltage side current sensor of the power-down detection circuit; and performing, by the controller, a fault diagnosis based on the fault information.

公开(公告)号：US20230125202A1

公开(公告)日：2023-04-27

申请号：US18048454

申请日：2022-10-21

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Yuqun Zeng ,  Chengyou Xing ,  Wenlong Kang ,  Huasheng Su ,  Quankun Li

IPC: H01M50/152 ,  H01M50/164 ,  H01M10/04

Abstract: Embodiments provide a battery cell, a battery, an electric apparatus, and a manufacturing method and system of battery cell. In those embodiments, the battery cell includes a housing, an electrode assembly, and an end cover assembly. The housing provides an opening. The electrode assembly is disposed in the housing. The electrode assembly includes a body portion and a tab. The tab extends from an end of the body portion to the opening. The electrode assembly includes a first electrode plate, a second electrode plate, and a separator. The first electrode plate and the second electrode plate each have a coated area and an uncoated area. A part of the electrode assembly corresponding to the coated areas of the first electrode plate and the second electrode plate is the body portion. The uncoated area of the first electrode plate or the second electrode plate forms the tab.

公开(公告)号：US20220367968A1

公开(公告)日：2022-11-17

申请号：US17815570

申请日：2022-07-28

Applicant: Contemporary Amperex Technology Co., Limited

Inventor： Haizu Jin ,  Hu Xu ,  Yuqun Zeng ,  Chengdu Liang

IPC: H01M50/342 ,  H01M50/213 ,  H01M50/249 ,  H01M50/375

Abstract: A battery, an electrical device, and a method and device for manufacturing a battery are provides. In some embodiments, the battery includes: a plurality of battery cells arranged along a first direction. Each battery cell includes an end cap and a housing, an opening is made at an end of the housing along the first direction, the end cap is configured to close the opening, and the housing includes a first wall extending along the first direction. A pressure relief region is provided on the first wall. The pressure relief region is configured to release pressure along a second direction when an internal pressure or temperature of the battery cell reaches a threshold. The second direction intersects the first direction. In this way, various embodiments improve safety of the battery.

公开(公告)号：US20220359958A1

公开(公告)日：2022-11-10

申请号：US17815214

申请日：2022-07-27

Applicant: Contemporary Amperex Technology Co., Limited

Inventor： Yuqun Zeng ,  Wenlong Kang ,  Chengyou Xing ,  Peng Wang ,  Quankun Li ,  Huasheng Su ,  Wenzhong Liu

IPC: H01M50/533 ,  H01M50/593 ,  H01M50/166 ,  H01M50/543

Abstract: Embodiments provide a battery cell, a battery, an electric apparatus, and a manufacturing method and system of battery cell. In some embodiments, the battery cell includes a housing, an electrode assembly, and an end cover assembly. The housing provides an opening. The electrode assembly is disposed in the housing. The electrode assembly includes a body portion, a tab, and an isolation portion. The tab extends from an end of the body portion to the opening. The isolation portion is disposed on a periphery of the tab. The end cover assembly is configured to cover the opening. The end cover assembly includes an end cover and a first insulator. The end cover is configured to cover the opening and is connected to the housing. The first insulator is disposed on a side of the end cover proximate to an inside of the housing. The first insulator has a concave portion.

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：US10814726B2

公开(公告)日：2020-10-27

申请号：US16364395

申请日：2019-03-26

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Yuqun Zeng ,  Kai Wu ,  Chao Wang ,  Wei Dai ,  Qiandeng Li

IPC: B60L3/00 ,  H01L47/00 ,  H03K19/20 ,  H01H47/00 ,  H01H47/22

Abstract: A control apparatus comprises a microcontroller, an auxiliary circuit, a delay module and a logical circuit; the microcontroller is connected to a first input end of the logical circuit via the auxiliary circuit and connected to a second input end of the logical circuit via the delay module, and an output end of the logical circuit is connected to a device to be controlled; if the microcontroller is reset in a process of outputting the closing control signal, a delay disabling signal becomes invalid, the delay module is enabled to output the closing control signal within a preset delay time, wherein the delay time is greater than or equal to a reset time. A power supply system is also provided to avoid a risk that an automobile suddenly loses power due to unexpected reset of the microcontroller.