Patents by Inventor Tai Hee EUN

Tai Hee EUN 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).

  • CATHOD ACTIVE MATERIAL FOR ALL-SOLID-STATE BATTERY, CATHODE, AND ALL-SOLID-STATE BATTERY
    Publication number: 20250070151
    Abstract: It is related to a positive active material for all solid batteries, comprising: a positive active material with layered crystal structure, and wherein, a XRD spectrum of a grain of the positive active material has diffraction peaks corresponding to the (003) plane and the (110) plane, and a ratio of the full width at half maximum (FWHM) of the diffraction peak corresponding to the (110) plane to the full width at half maximum (FWHM) of the diffraction peak corresponding to the (003) plane is 1.30 to 1.60.
    Type: Application
    Filed: December 15, 2022
    Publication date: February 27, 2025
    Applicants: POSCO Holdings Inc., RESEARCH INSTITUTE OF INDUSTRIAL SCIENCE & TECHNOLOGY
    Inventors: Yooncheol PARK, Ji Woong MOON, Tai Hee EUN, Young Sang KIM, Jeongsik YUN, Sang Cheol NAM
  • CATHODE ACTIVE MATERIAL FOR ALL SOLID BATTERY, AND MANUFACTURING METHOD THEREFOR
    Publication number: 20250054953
    Abstract: A positive electrode active material for an all-solid-state battery of the present exemplary embodiments may include: a core including a lithium nickel-based oxide; a first coating layer containing cobalt which is placed on a surface of the core; and a second coating layer containing a lithium transition metal oxide which is placed on a surface of the first coating layer.
    Type: Application
    Filed: December 15, 2022
    Publication date: February 13, 2025
    Applicants: POSCO HOLDINGS INC., RESEARCH INSTITUTE OF INDUSTRIAL SCIENCE & TECHNOLOGY
    Inventors: Ji Woong MOON, Tai Hee EUN, Yooncheol PARK, Jung Hoon SONG, Jeongsik YUN, Sang Cheol NAM