Patents by Inventor Ziqi Yi

Ziqi Yi 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).

  • Patent number: 10658671
    Abstract: The present disclosure provides a polymer protecting layer, a lithium metal negative electrode, a lithium secondary battery. In the lithium secondary battery of the present disclosure, a polymer protecting layer comprising a polymer ionic liquid is coated on a surface of a lithium metal sheet.
    Type: Grant
    Filed: August 27, 2018
    Date of Patent: May 19, 2020
    Assignee: Ningde Amperex Technology Limited
    Inventors: Chengyong Liu, Bingbin Wu, Yongsheng Guo, Ziqi Yi, Li An
  • Publication number: 20180366735
    Abstract: The present disclosure provides a polymer protecting layer, a lithium metal negative electrode, a lithium secondary battery. In the lithium secondary battery of the present disclosure, a polymer protecting layer comprising a polymer ionic liquid is coated on a surface of a lithium metal sheet.
    Type: Application
    Filed: August 27, 2018
    Publication date: December 20, 2018
    Inventors: Chengyong LIU, Bingbin WU, Yongsheng GUO, Ziqi YI, LI AN
  • Publication number: 20170301920
    Abstract: The present disclosure provides a polymer protecting layer, a lithium metal negative electrode, a lithium secondary battery. In the lithium secondary battery of the present disclosure, a polymer protecting layer comprising a polymer ionic liquid is coated on a surface of a lithium metal sheet, which can effectively slow down or even inhibit the growth of the lithium dendrite, improve the first charge-discharge cycle coulombic efficiency of the lithium secondary battery, and significantly improve the cycle performance and the safety performance of the lithium secondary battery.
    Type: Application
    Filed: April 6, 2017
    Publication date: October 19, 2017
    Inventors: Chengyong LIU, Bingbin Wu, Yongsheng Guo, Ziqi Yi, Li An