Patents by Inventor Liangzhen Dai

Liangzhen Dai has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Method and apparatus for manufacturing electrode assembly of secondary battery
    Patent number: 11961955
    Abstract: The present application relates to a method and an apparatus for manufacturing an electrode assembly of a secondary battery. Embodiments of the present application propose a method for manufacturing an electrode assembly of a secondary battery, the method comprising joining a positive electrode plate and a first separator to form a positive electrode composite plate body; joining a negative electrode plate and a second separator to form a negative electrode composite plate body; winding the positive electrode composite plate body and the negative electrode composite plate body together to form an electrode assembly, wherein the positive electrode plate and the negative electrode plate are disposed to isolate from each other by the first separator and the second separator.
    Type: Grant
    Filed: April 2, 2022
    Date of Patent: April 16, 2024
    Assignee: Contemporary Amperex Technology Co., Limited
    Inventors: Yiruo Wang, Zhiyang Wu, Xiao Wang, Chengcheng Jiang, Chao Xie, Liangzhen Dai
  • FEEDING DEVICE AND BATTERY PRODUCTION APPARATUS
    Publication number: 20240001426
    Abstract: A feeding device may include a first linear driving structure, a second linear driving structure, a delivery structure, and an adjusting structure, where the first linear driving structure may include a first output end configured to reciprocate in a first direction; the second linear driving structure may include a second output end configured to reciprocate in a second direction; one end of the delivery structure may be rotatably connected to the first output end around a first axis, the first axis being perpendicular to the first direction; and the adjusting structure may be configured to connect the other end of the delivery structure to the second output end, such that the delivery structure can be driven by the second output end to rotate around the first axis.
    Type: Application
    Filed: July 27, 2023
    Publication date: January 4, 2024
    Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
    Inventors: Liangzhen DAI, Zhi XIE, Keqiang LI, Jun HU, Dajun NI, Zhihua WEN
  • METHOD AND APPARATUS FOR MANUFACTURING ELECTRODE ASSEMBLY OF SECONDARY BATTERY
    Publication number: 20220223897
    Abstract: The present application relates to a method and an apparatus for manufacturing an electrode assembly of a secondary battery. Embodiments of the present application propose a method for manufacturing an electrode assembly of a secondary battery, the method comprising joining a positive electrode plate and a first separator to form a positive electrode composite plate body; joining a negative electrode plate and a second separator to form a negative electrode composite plate body; winding the positive electrode composite plate body and the negative electrode composite plate body together to form an electrode assembly, wherein the positive electrode plate and the negative electrode plate are disposed to isolate from each other by the first separator and the second separator.
    Type: Application
    Filed: April 2, 2022
    Publication date: July 14, 2022
    Applicant: Contemporary Amperex Technology Co., Limited
    Inventors: Yiruo Wang, Zhiyang Wu, Xiao Wang, Chengcheng Jiang, Chao Xie, Liangzhen Dai