公开(公告)号：US20240363918A1

公开(公告)日：2024-10-31

申请号：US18765330

申请日：2024-07-08

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Zhanliang Li ,  Yuanmiao Zhao ,  Yu Yan ,  Zhimin Dan ,  Xiaojian Huang ,  Xinwei Chen

IPC: H01M10/637 ,  B60L58/27 ,  H01M10/615 ,  H01M10/625 ,  H01M10/63 ,  H02J7/00 ,  H02P27/08 ,  H02P29/60

CPC classification number: H01M10/637 ,  H01M10/615 ,  H01M10/625 ,  H01M10/63 ,  H02J7/0063 ,  H02P27/08 ,  H02P29/60 ,  B60L58/27 ,  H01M2220/20

Abstract: Disclosed is a control method of a heating system for a battery. The control method includes: alternately controlling a switch module to be in a first switch state within a first duration and in a second switch state within a second duration; discharging to a power supply module by an energy storage module through a first loop within the first half time T of the first duration, and charging the energy storage module by the power supply module through the first loop within the second half time T of the first duration; and discharging to the power supply module by the energy storage module through a second loop within the first half time T of the second duration, and charging the energy storage module by the power supply module through the second loop within the second half time T of the second duration.

公开(公告)号：US12119697B2

公开(公告)日：2024-10-15

申请号：US18594808

申请日：2024-03-04

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Yuanmiao Zhao ,  Zhimin Dan ,  Yu Yan ,  Zhanliang Li ,  Xiaojian Huang ,  Xinwei Chen

IPC: H02J7/00 ,  B60L58/18 ,  H02J7/14

CPC classification number: H02J7/00712 ,  B60L58/18 ,  H02J7/0014 ,  B60L2240/547

Abstract: A voltage regulation circuit for traction battery includes a traction battery, a heating module, a charge/discharge interface, and a voltage regulation module. The heating module includes a power storage element and a switch module. The traction battery is connected in parallel to the switch module. An external charging and discharging device is connected in parallel to the traction battery through the charge/discharge interface. The voltage regulation module includes a plurality of switches and a power storage regulation element, and the plurality of switches and the power storage regulation element are disposed between the charge/discharge interface and the traction battery. The voltage regulation module and the switch module are configured to regulate, in response to a voltage regulation control signal, a charge/discharge voltage between the traction battery and the power storage element and a charge voltage of the external charging and discharging device for the traction battery.

公开(公告)号：US12115878B2

公开(公告)日：2024-10-15

申请号：US17712085

申请日：2022-04-02

Applicant: Contemporary Amperex Technology Co., Limited

Inventor： Zhanliang Li ,  Yu Yan ,  Zhimin Dan ,  Miaomiao Zhang

IPC: B60L53/80 ,  B60L53/53 ,  B60S5/06 ,  H02J3/32 ,  H02J7/00 ,  B60L53/63 ,  B60L58/12 ,  H02J7/02

CPC classification number: B60L53/80 ,  B60L53/53 ,  B60S5/06 ,  H02J3/322 ,  H02J7/0013 ,  H02J7/007 ,  B60L53/63 ,  B60L58/12 ,  H02J7/02

Abstract: The embodiments of the present application provide a method, apparatus, device, and medium for electric energy transmission. The method includes: determining a resource value of a unit of electric energy of a grid at a target time; under a condition that the resource value is greater than or equal to a first resource threshold, determining a number of available batteries in a battery swapping station and an ordered number of batteries in the battery swapping station within a target time period; and under a condition that the number of available batteries is greater than a number of reserved batteries, controlling a charging and discharging module to transmit electric energy of a first battery in the battery swapping station to the grid.

公开(公告)号：US12095301B2

公开(公告)日：2024-09-17

申请号：US17980860

申请日：2022-11-04

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Shuyun Xiong ,  Yu Yan ,  Zhimin Dan ,  Zhanliang Li ,  Weiping Sun

IPC: B60L53/62 ,  B60L58/12 ,  H01M10/42 ,  H01M10/44 ,  H01M10/46 ,  H02J7/00 ,  B60L53/66

CPC classification number: H02J7/00711 ,  B60L53/62 ,  B60L58/12 ,  H01M10/425 ,  H01M10/443 ,  H01M10/46 ,  H02J7/00036 ,  H02J7/0047 ,  H02J7/00712 ,  H02J7/007194 ,  B60L53/66 ,  H01M2010/4271 ,  H01M2220/20

Abstract: A charging method, a battery management system for a traction battery and a charging pile are provided, which can effectively ensure normal charging of an electric vehicle. The charging method is used for charging a traction battery, and the method includes: determining, by the battery management system (BMS) of the traction battery, a pulse charging demand parameter according to a battery state parameter of the traction battery; and sending a pulse charging information to a charging pile by the BMS, the pulse charging information including the pulse charging demand parameter for indicating the charging pile to output a pulse current for charging the traction battery.

公开(公告)号：US20230395890A1

公开(公告)日：2023-12-07

申请号：US18446351

申请日：2023-08-08

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Yuanmiao ZHAO ,  Zhanliang Li ,  Zhimin DAN ,  Xiaojian HUANG

IPC: H01M10/615 ,  H01M10/63 ,  H01M10/625 ,  H01M10/44

CPC classification number: H01M10/615 ,  H01M10/63 ,  H01M2220/20 ,  H01M10/443 ,  H01M10/625

Abstract: A heating circuit for a battery, a control method therefor, a battery, and an electric vehicle are provided. The battery includes a first battery bank and a second battery bank, and the heating circuit includes a switch module, a heating module, and a control module. The switch module is connected to each of the first battery bank and the second battery bank. The heating module is connected to each of the first battery bank, the second battery bank, and the switch module. The control module is connected to each of the switch module and the heating module. The control module is configured to control the switch module to switch the battery to a heating state, and is configured to control the heating module when the battery is in the heating state, such that the first battery bank, the heating module, and the second battery bank form a loop.

公开(公告)号：US20220407338A1

公开(公告)日：2022-12-22

申请号：US17561239

申请日：2021-12-23

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Zhanliang Li ,  Yu Yan ,  Zhimin Dan ,  Shuyun Xiong ,  Weiping Sun ,  Xiyang Zuo

IPC: H02J7/00 ,  G01R31/382

Abstract: The present application provides a charging control method and apparatus, a battery management system and a readable storage medium. The charging control method includes: obtaining a battery temperature and a battery state of charge; determining a pulse charging frequency according to the battery temperature, the battery state of charge and a pre-calibrated corresponding relationship; obtaining a preset waveform characteristic of a pulse charging waveform; where the waveform characteristic includes a ratio range of an area of a positive pulse waveform to an area of a negative pulse waveform in each pulse cycle of the pulse charging waveform; and generating a charging request according to the pulse charging frequency and the waveform characteristic and transmitting the charging request to a charging device. The method is used for improving charging stability and safety of a battery.

公开(公告)号：US20240421625A1

公开(公告)日：2024-12-19

申请号：US18817190

申请日：2024-08-27

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Yuanmiao Zhao ,  Zhanliang Li ,  Yu Yan ,  Xinwei Chen ,  Jinfeng Gao ,  Zhimin Dan

IPC: H02J7/00 ,  H01M10/42 ,  H01M10/44 ,  H01M10/46

Abstract: The present application provides a power battery voltage regulation circuit, including a power battery, a heating module, a charging and discharging interface, and a voltage regulation switch assembly; the heating module includes an energy storage element and a switch module; the power battery and the switch module are connected in parallel; an external charging and discharging device is connected in parallel with the power battery through the charging and discharging interface; the voltage regulation switch assembly includes multiple switches, and the multiple switches are arranged between the charging and discharging interface and the power battery; and the voltage regulation switch assembly and the switch module are configured to adjust the charging and discharging voltages between the external charging and discharging device and the power battery in response to a voltage regulation control signal.

公开(公告)号：US12068466B2

公开(公告)日：2024-08-20

申请号：US18450375

申请日：2023-08-15

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Xinwei Chen ,  Yu Yan ,  Zhimin Dan ,  Zhanliang Li ,  Yizhen Hou ,  Wei Zhang

IPC: H01M10/615 ,  G01R31/36 ,  G01R31/367 ,  H01M10/633

CPC classification number: H01M10/615 ,  G01R31/3648 ,  G01R31/367 ,  H01M10/633 ,  H01M2220/20

Abstract: A battery heating system includes a voltage conversion unit configured to be electrically connected to a power source and to a battery to be heated, and a control unit. The voltage conversion unit receives a first voltage input by the power source or a second voltage input by the battery to be heated. The control unit acquires a charging and discharging frequency of the voltage conversion unit, determines a charge transfer impedance of the battery to be heated according to the charging and discharging frequency, calculates a safe amplitude current of the battery to be heated according to the charge transfer impedance, and sends a control signal to the voltage conversion unit according to the charging and discharging frequency and the safe amplitude current to cause the voltage conversion unit to perform boost or buck processing of the first voltage or the second voltage according to the control signal.

公开(公告)号：US20240235243A1

公开(公告)日：2024-07-11

申请号：US18619178

申请日：2024-03-28

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Yuanmiao Zhao ,  Zhanliang Li ,  Yu Yan ,  Xinwei Chen ,  Jinfeng Gao ,  Zhimin Dan

IPC: H02J7/00 ,  B60L58/10

CPC classification number: H02J7/007182 ,  B60L58/10 ,  H02J7/0013 ,  B60L2240/547

Abstract: A power battery voltage regulation system, and a control method and control apparatus thereof are provided. The control method includes: obtaining a first voltage and a second voltage, where the first voltage is a voltage of a power battery, the second voltage is a maximum output voltage of a charging device, and the charging device is configured to connect to a charging and discharging interface.

公开(公告)号：US11926239B2

公开(公告)日：2024-03-12

申请号：US17709473

申请日：2022-03-31

Applicant: Contemporary Amperex Technology Co., Limited

Inventor： Zhanliang Li ,  Zhimin Dan ,  Yu Yan ,  Miaomiao Zhang

IPC: B60L53/66 ,  B60L53/30 ,  B60L53/80 ,  B60L58/12 ,  G07C9/30 ,  H04W4/80

CPC classification number: B60L53/66 ,  B60L53/305 ,  B60L53/80 ,  B60L58/12 ,  G07C9/30 ,  H04W4/80

Abstract: Embodiments of the present application provide a vehicle control method, module, and system, a device and a medium. The method includes: acquiring, under a condition that it is determined to install a target battery provided by a battery swapping station for the vehicle, a network address of a first battery management unit of the target battery; requesting to establish a wireless communication connection between a control module and the first battery management unit, based on the network address of the first battery management unit of the target battery; transmitting, under a condition that the wireless communication connection between the control module and the first battery management unit is successfully established, a first prompt signal to a target object, where the first prompt signal is used to prompt the target object to perform a relevant operation for allowing the vehicle to leave a battery swapping area.