公开(公告)号：US20230343958A1

公开(公告)日：2023-10-26

申请号：US18198844

申请日：2023-05-18

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Xihui WANG ,  Wenzhu XU ,  Xiaoming GE

IPC: H01M10/0562 ,  H01M4/38 ,  H01M4/04 ,  H01M4/583 ,  H01M4/485 ,  H01M10/0525

CPC classification number: H01M4/583 ,  H01M4/0416 ,  H01M4/386 ,  H01M4/387 ,  H01M4/485 ,  H01M10/0525 ,  H01M10/0562 ,  H01M2004/027 ,  H01M2220/20

Abstract: A negative electrode plate may comprise a negative electrode current collector and a negative electrode film layer provided on at least one surface of the negative electrode current collector; the negative electrode film layer may comprise a first region and a second region along the width direction, the first region may not comprise a solid electrolyte, while the second region may comprise a solid electrolyte.

公开(公告)号：US20240258665A1

公开(公告)日：2024-08-01

申请号：US18634189

申请日：2024-04-12

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Xihui WANG ,  Wenzhu XU

IPC: H01M50/586 ,  H01M50/533

CPC classification number: H01M50/586 ,  H01M50/533

Abstract: A battery cell, a battery and an electricity consuming apparatus are provided. The battery cell includes a cap assembly and an electrode assembly, the cap assembly includes a cap plate and an isolation member, and the isolation member is disposed on one side of the cap plate; the electrode assembly is disposed on a side of the isolation member facing away from the cap plate, the electrode assembly includes an electrode body and tabs protruding from the electrode body, and a protrusion connected with the electrode body is connected on a peripheral side of at least one of the tabs; wherein a clearance groove is provided on a surface of the isolation member facing away from the cap plate, and is configured to accommodate at least a portion of the protrusion.

公开(公告)号：US20240092211A1

公开(公告)日：2024-03-21

申请号：US18523933

申请日：2023-11-30

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Qifan ZOU ,  Xihui WANG ,  Wenzhu XU ,  Xiaoming GE

IPC: B60L53/62 ,  B60L53/10 ,  B60L53/66 ,  B60L53/68

CPC classification number: B60L53/62 ,  B60L53/11 ,  B60L53/66 ,  B60L53/68

Abstract: The present application provides a method and a device for charging a secondary battery, a computer storage medium and electronic equipment. The charging method includes steps of: sending first charge information to a charging source by a battery management system, the first charge information includes a first charge power; performing a constant-power charging on the secondary battery by the charging source according to the first charge power; sending a plurality of pulse discharge information to the charging source by the BMS when a battery status parameter reaches a first predetermined value, each pulse discharge information includes a discharge power and a discharge duration; and performing multiple constant-power pulse discharges on the secondary battery by the charging source according to the discharge power and the discharge duration in the plurality of pulse discharge information.