Patents by Inventor Jae-Geon RYU

Jae-Geon RYU 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 comprising silicon flakes and preparing method of silicon flakes
    Patent number: 11302913
    Abstract: The present disclosure relates to a negative electrode material including, as an active material, silicon flakes with a hyperporous structure, represented by the following chemical formula 1: xSi.(1?x)A??(1) where 0.5?x?1.0, and A is an impurity, and includes at least one compound selected from the group consisting of Al2O3, MgO, SiO2, GeO2, Fe2O3, CaO, TiO2, Na2O K2O, CuO, ZnO, NiO, Zr2O3, Cr2O3 and BaO, and a preparing method of the silicon flakes.
    Type: Grant
    Filed: August 18, 2017
    Date of Patent: April 12, 2022
    Assignees: LG CHEM, LTD., UNIST (ULSAN NATIONAL INSTITUTE OF SCIENCE AND TECHNOLOGY)
    Inventors: Eui-Yong Hwang, Soo-Jin Park, Jae-Geon Ryu, Jang-Bae Kim, Jong-Hyun Chae, Dong-Ki Hong
  • NEGATIVE ELECTRODE MATERIAL COMPRISING SILICON FLAKES AND PREPARING METHOD OF SILICON FLAKES
    Publication number: 20200119344
    Abstract: The present disclosure relates to a negative electrode material including, as an active material, silicon flakes with a hyperporous structure, represented by the following chemical formula 1: xSi.(1?x)A??(1) where 0.5?x?1.0, and A is an impurity, and includes at least one compound selected from the group consisting of Al2O3, MgO, SiO2, GeO2, Fe2O3, CaO, TiO2, Na2O K2O, CuO, ZnO, NiO, Zr2O3, Cr2O3 and BaO, and a preparing method of the silicon flakes.
    Type: Application
    Filed: August 18, 2017
    Publication date: April 16, 2020
    Applicants: LG CHEM, LTD., UNIST(ULSAN NATIONAL INSTITUTE OF SCIENCE AND TECHNOLOGY)
    Inventors: Eui-Yong HWANG, Soo-Jin PARK, Jae-Geon RYU, Jang-Bae KIM, Jong-Hyun CHAE, Dong-Ki HONG