Patents by Inventor InYu Park

InYu Park 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).

  • Membrane-electrode assembly for fuel cells with improved chemical durability and proton conductivity and method of manufacturing the same
    Patent number: 11522208
    Abstract: The present disclosure relates to a membrane-electrode assembly for fuel cells and a method of manufacturing the same, and more particularly to a membrane-electrode assembly to which an electrolyte membrane including a cerium oxide and phosphoric acid functionalized graphene oxide is applied, whereby chemical durability and proton conductivity of the membrane-electrode assembly are improved.
    Type: Grant
    Filed: August 20, 2020
    Date of Patent: December 6, 2022
    Assignees: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION, INDUSTRY FOUNDATION OF CHONNAM NATIONAL UNIVERSITY
    Inventors: Inyu Park, Bo Ki Hong, Jae Woon Hong, Aniket Kumar, Sun Ju Song
  • Method of manufacturing electrolyte membrane for fuel cell and electrolyte membrane manufactured thereby
    Patent number: 11239472
    Abstract: Disclosed is a method of manufacturing an electrolyte membrane including an antioxidant. The method may include forming a first dispersion liquid including deionized water, a first ionomer dispersion solution and an antioxidant, and forming a second dispersion liquid including the first dispersion liquid and a second ionomer dispersion solution.
    Type: Grant
    Filed: October 9, 2019
    Date of Patent: February 1, 2022
    Assignees: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Inyu Park, Jae Jun Ko, Bo Ki Hong
  • METHOD OF MANUFACTURING ELECTROLYTE MEMBRANE FOR FUEL CELL AND ELECTROLYTE MEMBRANE MANUFACTURED THEREBY
    Publication number: 20200321625
    Abstract: Disclosed is a method of manufacturing an electrolyte membrane including an antioxidant. The method may include forming a first dispersion liquid including deionized water, a first ionomer dispersion solution and an antioxidant, and forming a second dispersion liquid including the first dispersion liquid and a second ionomer dispersion solution.
    Type: Application
    Filed: October 9, 2019
    Publication date: October 8, 2020
    Inventors: Inyu Park, Jae Jun Ko, Bo Ki Hong
  • Membrane-electrode assembly for fuel cells having improved durability and a polymer electrolyte membrane fuel cell including the same
    Patent number: 10714778
    Abstract: Disclosed are a membrane-electrode assembly for fuel cells with improved durability and a polymer electrolyte membrane fuel cell including the same. The membrane-electrode assembly includes an antioxidant, Sm-doped cerium oxide in the electrolyte membrane, which has a controlled microstructure through high-temperature heat treatment, thereby providing both superior antioxidant activity and excellent long-term stability.
    Type: Grant
    Filed: September 14, 2018
    Date of Patent: July 14, 2020
    Assignees: Hyundai Motor Company, Kia Motors Corporation
    Inventors: InYu Park, Jae Jun Ko, Bo Ki Hong
  • MEMBRANE-ELECTRODE ASSEMBLY FOR FUEL CELLS HAVING IMPROVED DURABILITY AND A POLYMER ELECTROLYTE MEMBRANE FUEL CELL INCLUDING THE SAME
    Publication number: 20190198903
    Abstract: Disclosed are a membrane-electrode assembly for fuel cells with improved durability and a polymer electrolyte membrane fuel cell including the same. The membrane-electrode assembly includes an antioxidant, Sm-doped cerium oxide in the electrolyte membrane, which has a controlled microstructure through high-temperature heat treatment, thereby providing both superior antioxidant activity and excellent long-term stability.
    Type: Application
    Filed: September 14, 2018
    Publication date: June 27, 2019
    Inventors: InYu Park, Jae Jun Ko, Bo Ki Hong