公开(公告)号：US20240072549A1

公开(公告)日：2024-02-29

申请号：US18384605

申请日：2023-10-27

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Xinwei CHEN ,  Xiangtao LI ,  Yu YAN ,  Zhimin DAN ,  Qidong LOU

IPC: H02J7/00

CPC classification number: H02J7/00308 ,  H02J7/0016 ,  H02J2207/20

Abstract: An energy storage apparatus includes a control circuit, multiple battery clusters connected in parallel, and switch circuits corresponding to the battery clusters. The switch circuit includes a first switch and a protection circuit connected in parallel. The control circuit is connected to each first switch and each protection circuit. Each battery cluster is connected to the corresponding first switch and protection circuit. The control circuit is configured to control, according to a high voltage on signal, the protection circuit to be closed and the first switch to be opened.

公开(公告)号：US20230216316A1

公开(公告)日：2023-07-06

申请号：US18111895

申请日：2023-02-21

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Xiangtao LI ,  Bao LI ,  Kai WU

IPC: H02J7/00 ,  H01M10/48 ,  H01M10/42

CPC classification number: H02J7/0024 ,  H02J7/0036 ,  H01M10/48 ,  H01M10/425 ,  H02J7/00712 ,  H01M2220/20

Abstract: Embodiments of this application provide a battery control circuitry, a battery control method, and an electric apparatus. The battery control circuitry may include a charging interface, a switch circuit, a first battery pack; a second battery pack, where a positive electrode of the second battery pack may be connected to a negative electrode of the first battery pack; and a control circuit, configured to: when detecting that the charging interface receives a charging signal from a low-voltage platform, control the switch circuit to switch to a first connection state, where in the first connection state, a target battery pack may be connected in series to the charging interface to form a first loop, so as to charge the target battery pack, where the target battery pack may be the first battery pack or the second battery pack.

公开(公告)号：US20240291297A1

公开(公告)日：2024-08-29

申请号：US18655367

申请日：2024-05-06

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Xiyang ZUO ,  Xiao WANG ,  Xiangtao LI ,  Bao LI

IPC: H02J7/00 ,  B60L53/20 ,  B60L53/62

CPC classification number: H02J7/00306 ,  B60L53/20 ,  B60L53/62 ,  H02J7/0013 ,  H02J7/0048 ,  H02J7/00712 ,  B60L2210/10 ,  H02J2207/20

Abstract: The present application provides a method and a device for charging and discharging a battery system, the battery system and an electric vehicle. The battery system includes a low-voltage battery and a high-voltage battery, the high-voltage battery and the low-voltage battery are both configured to be connected with a load. The method for charging and discharging the battery system includes steps of obtaining a first power of the load when the load is in operation; obtaining a first SOC value of the low-voltage battery and a second SOC value of the high-voltage battery; and controlling charge-and-discharge processes of the high-voltage battery and the low-voltage battery according to the first power, the first SOC value and the second SOC value.

公开(公告)号：US20240213786A1

公开(公告)日：2024-06-27

申请号：US18595459

申请日：2024-03-05

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Xinwei CHEN ,  Xiangtao LI ,  Xianxi PAN ,  Tianyi HUANG ,  Yu YAN ,  Zhimin DAN

IPC: H02J7/00

CPC classification number: H02J7/0018 ,  H02J7/0016 ,  H02J7/0048 ,  H02J7/00714 ,  H02J7/007182 ,  H02J2207/20

Abstract: This application relates to a control method, an apparatus, a device, a storage medium, and a program product for an energy storage system. The method may include: obtaining a first cluster voltage of a target battery cluster in the energy storage system; determining a second cluster voltage based on the first cluster voltage and a preset redundancy voltage, and determining an output voltage of a first regulator corresponding to the target battery cluster in the energy storage system based on a bus voltage and the second cluster voltage, where the redundancy voltage may be within a regulation range of the first regulator; and controlling the output voltage of the first regulator for voltage regulation on the target battery cluster.