Patents by Inventor Guangui YI

Guangui 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).

  • NEGATIVE ELECTRODE MATERIAL AND PREPARATION METHOD THEREOF, NEGATIVE ELECTRODE AND ALL-SOLID-STATE LITHIUM-ION BATTERY
    Publication number: 20210296637
    Abstract: The present disclosure provides a negative electrode material and a preparation method thereof, a negative electrode and an all-solid-state lithium-ion battery. The negative electrode material includes a negative electrode active substance and a coating layer on the surface of the negative electrode active substance, the coating layer including a polymer electrolyte and a sulfide solid electrolyte.
    Type: Application
    Filed: July 25, 2017
    Publication date: September 23, 2021
    Inventors: Jing XIE, Zizhu GUO, Yongjun MA, Guangui YI, Wei SONG, Biao LI
  • SOLID ELECTROLYTE MATERIAL AND METHOD FOR PREPARING THE SAME, SOLID ELECTROLYTE AND BATTERY
    Publication number: 20180233776
    Abstract: A solid electrolyte material and a method for preparing the same, a solid electrolyte and a battery are provided. The solid electrolyte material includes: at least one of crystalline inorganic solid electrolyte having a formula of Li10±1AB2X12 (I); and at least one of amorphous inorganic solid electrolyte having a formula of yLi2X?-(100-y)P2X?5 (II).
    Type: Application
    Filed: April 18, 2018
    Publication date: August 16, 2018
    Inventors: JING XIE, YONGJUN MA, GUANGUI YI, ZIZHU GUO
  • SOLID ELECTROLYTE AND PREPARATION METHOD THEREFOR, AND LITHIUM-ION BATTERY CONTAINING SAME
    Publication number: 20180123167
    Abstract: A solid electrolyte contains an internal component and an external component coated on a surface of the internal component. The internal component is represented by a formula Li1+xMxTi2?x(PO4)3, M is one or more elements selected from a group consisting of Al, La, Cr, Ga, Y, and In, and 0.05?x?0.4. The external component has an ionic conductivity of no less than 10?6 S/cm, an electrochemical window of the solid electrolyte is no less than 5V. A method of preparing the solid electrolyte and a lithium ion battery including the solid electrolyte are also provided.
    Type: Application
    Filed: December 22, 2017
    Publication date: May 3, 2018
    Inventors: GUANGUI YI, Yongjun Ma, Zizhu Guo, Xianghui Wang, Jing Xie
  • Lithium ion battery, solid electrolyte and method of preparing the same
    Patent number: 9893379
    Abstract: A solid electrolyte contains an internal component and an external component coated on a surface of the internal component. The internal component is represented by a formula Li1+xMxZr2?x(PO4)3, M is one or more elements selected from a group consisting of Al, La, Cr, Ga, Y, and In, and 0.05?x?0.4. The external component contains a plastic deformable material and has a conductivity of about 10?7 S/cm to about 10?5S/cm. A method of preparing the solid electrolyte and a lithium ion battery including the solid electrolyte are also provided.
    Type: Grant
    Filed: August 19, 2016
    Date of Patent: February 13, 2018
    Assignee: BYD COMPANY LIMITED
    Inventors: Guangui Yi, Yongjun Ma, Zizhu Guo
  • LITHIUM ION BATTERY, SOLID ELECTROLYTE AND METHOD OF PREPARING THE SAME
    Publication number: 20160359193
    Abstract: A solid electrolyte contains an internal component and an external component coated on a surface of the internal component. The internal component is represented by a formula Li1+xMxZr2?x(PO4)3, M is one or more elements selected from a group consisting of Al, La, Cr, Ga, Y, and In, and 0.05?x?0.4. The external component contains a plastic deformable material and has a conductivity of about 10?7 S/cm to about 10?5S/cm. A method of preparing the solid electrolyte and a lithium ion battery including the solid electrolyte are also provided.
    Type: Application
    Filed: August 19, 2016
    Publication date: December 8, 2016
    Inventors: Guangui YI, Yongjun MA, Zizhu GUO