Patents by Inventor Dae-jong You

Dae-jong You 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).

  • FUEL CELL CATALYST, METHOD FOR PREPARING THE SAME, AND FUEL CELL COMPRISING THE SAME
    Publication number: 20230077033
    Abstract: A fuel cell catalyst including a conductive carrier and core-shell nanoparticles supported on the carrier. The core includes platinum and a transition metal and the shell includes a secondary metal. An electrochemical specific activity measured at a voltage of 0.05 V to 1.05 V (vs. RHE) in a potential range, at a scan rate of 5 mV/s and a rotation rate of 1,600 rpm in an O2-saturated 0.1 M HClO4 electrolyte solution is 0.3 mA/cm2 to 0.6 mA/cm2, and a mass activity is 0.05 mA/?g to 0.08 mA/?g.
    Type: Application
    Filed: August 25, 2022
    Publication date: March 9, 2023
    Applicants: HYUNDAI MOBIS CO., LTD., KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Eun Young YOU, Yun Sik KANG, Dae Jong YOU, Sung Chul LEE, Sung Jong YOO, Se Hyun LEE, Jue Hyuk JANG, Eung Jun LEE
  • Fuel cell catalyst, fuel cell electrode including the same and membrane-electrode assembly including the same
    Patent number: 11462745
    Abstract: The present disclosure relates to a fuel cell catalyst, a fuel cell electrode including the same, and a membrane-electrode assembly including the same. In one embodiment, the fuel cell catalyst includes: a support including a titanium oxynitride represented by the following Formula 1: TiO1-yNy, wherein 0.05<y<0.9; and an active material supported on the support.
    Type: Grant
    Filed: December 8, 2020
    Date of Patent: October 4, 2022
    Assignee: HYUNDAI MOBIS CO., LTD.
    Inventors: Dae Jong You, Yong Ho Lim, Eun Young You
  • FUEL CELL CATALYST, FUEL CELL ELECTRODE INCLUDING THE SAME AND MEMBRANE-ELECTRODE ASSEMBLY INCLUDING THE SAME
    Publication number: 20210175514
    Abstract: The present disclosure relates to a fuel cell catalyst, a fuel cell electrode including the same, and a membrane-electrode assembly including the same. In one embodiment, the fuel cell catalyst includes: a support including a titanium oxynitride represented by the following Formula 1: TiO1-yNy, wherein 0.05<y<0.9; and an active material supported on the support.
    Type: Application
    Filed: December 8, 2020
    Publication date: June 10, 2021
    Inventors: Dae Jong YOU, Yong Ho LIM, Eun Young YOU
  • CATALYST FOR FUEL CELL AND MANUFACTURING METHOD THEREOF
    Publication number: 20210143442
    Abstract: A fuel cell catalyst and a method for manufacturing the same are disclosed. The fuel cell catalyst includes: a support including titanium suboxide and carbon; and an active material supported on the support and including iridium (Ir), ruthenium (Ru), and yttrium (Y). The active material is represented by the following Formula 1: [Formula 1] IrRuaYb, wherein a is between 1 and 5 (1?a?5), and b is between 0.1 and 2 (0.1?b?2).
    Type: Application
    Filed: May 4, 2020
    Publication date: May 13, 2021
    Inventors: Eunyoung YOU, Dae Jong YOU
  • ELECTRODE CATALYST FOR FUEL CELLS AND METHOD OF MANUFACTURING THE SAME
    Publication number: 20200067105
    Abstract: Provided is an electrode catalyst for fuel cells. The electrode catalyst for fuel cells includes a core including an alloy of platinum, copper, and metal oxide and a shell including platinum or a platinum alloy material.
    Type: Application
    Filed: March 18, 2019
    Publication date: February 27, 2020
    Inventors: Dae Jong YOU, Sung Chul LEE
  • Cathode catalyst layer for fuel cells, method of manufacturing the same and membrane-electrode assembly for fuel cells including the same
    Patent number: 10418655
    Abstract: Disclosed is a cathode catalyst layer for fuel cells including heat-treated ordered mesoporous carbon, wherein the heat-treated ordered mesoporous carbon is present in an amount of 1% by weight to 15% by weight, with respect to the total weight of the cathode catalyst layer for fuel cells, and a method of manufacturing the same.
    Type: Grant
    Filed: May 25, 2016
    Date of Patent: September 17, 2019
    Assignee: KOLON INDUSTRIES, INC.
    Inventors: Yeon Su Kim, Tae Yoon Kim, Dae Jong You, Hong Chul Jang
  • CATHODE CATALYST LAYER FOR FUEL CELLS, METHOD OF MANUFACTURING THE SAME AND MEMBRANE-ELECTRODE ASSEMBLY FOR FUEL CELLS INCLUDING THE SAME
    Publication number: 20170346120
    Abstract: Disclosed is a cathode catalyst layer for fuel cells including heat-treated ordered mesoporous carbon, wherein the heat-treated ordered mesoporous carbon is present in an amount of 1% by weight to 15% by weight, with respect to the total weight of the cathode catalyst layer for fuel cells, and a method of manufacturing the same.
    Type: Application
    Filed: May 25, 2016
    Publication date: November 30, 2017
    Applicant: KOLON INDUSTRIES, INC.
    Inventors: Yeon Su KIM, Tae Yoon KIM, Dae Jong YOU, Hong Chul JANG
  • Membrane electrode assembly including porous catalyst layer and method of manufacturing the same
    Patent number: 8808943
    Abstract: A membrane electrode assembly for a fuel cell including a porous catalyst layer, and a method of manufacturing the same in which an electrode includes a catalyst layer formed adjacent to a surface of an electrolyte membrane, and the catalyst layer has a uniform porosity as pluralities of pores are uniformly distributed on the catalyst layer.
    Type: Grant
    Filed: April 14, 2008
    Date of Patent: August 19, 2014
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Dae-jong You, Yoon-hoi Lee, Chan-ho Pak, Ji-rae Kim
  • MEMBRANE ELECTRODE ASSEMBLY INCLUDING POROUS CATALYST LAYER AND METHOD OF MANUFACTURING THE SAME
    Publication number: 20080292942
    Abstract: A membrane electrode assembly for a fuel cell including a porous catalyst layer, and a method of manufacturing the same in which an electrode includes a catalyst layer formed adjacent to a surface of an electrolyte membrane, and the catalyst layer has a uniform porosity as pluralities of pores are uniformly distributed on the catalyst layer.
    Type: Application
    Filed: April 14, 2008
    Publication date: November 27, 2008
    Applicant: Samsung SDI Co., Ltd.
    Inventors: Dae-jong You, Yoon-hoi Lee, Chan-ho Pak, Ji-rae Kim