Patents by Inventor Tae Seon HYUN

Tae Seon HYUN 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).

  • Composite electrode active material having MRuO(M=Sr, Ba, Mg), supercapacitor using the same and fabrication method thereof
    Patent number: 8617429
    Abstract: Disclosed are a composite electrode active material and a supercapacitor using the same, and more particularly, an electrode active material having M1-xRuxO3 (M=Sr, Ba, Mg) and a supercapacitor using the same, wherein the electrode active material is characterized by comprising M1-xRuxO3, where M is at least one selected from a group consisting of strontium, barium and magnesium, and a method for fabricating a composite electrode active material comprises (a) preparing a spinning solution containing a precursor of M oxide, a precursor of Ru oxide, a polymer and a solvent, (b) spinning the spinning solution on a collector to fabricate a nanofiber web having M1-xRuxO3 precursor, and (c) performing heat treatment for the nanofiber web to remove the polymer so as to make an electrode active material in the structure of porous nanofiber web having M1-xRuxO3, wherein the M comprises at least one selected from a group consisting of strontium, barium and magnesium.
    Type: Grant
    Filed: September 13, 2010
    Date of Patent: December 31, 2013
    Assignee: Korea Institute of Science and Technology
    Inventors: Il Doo Kim, Yong-Won Song, Tae Seon Hyun, Ho-Gi Kim
  • COMPOSITE ELECTRODE ACTIVE MATERIAL HAVING M1-xRuxO3 (M=Sr, Ba, Mg), SUPERCAPACITOR USING THE SAME AND FABRICATION METHOD THEREOF
    Publication number: 20120063058
    Abstract: Disclosed are a composite electrode active material and a supercapacitor using the same, and more particularly, an electrode active material having M1-xRuxO3 (M=Sr, Ba, Mg) and a supercapacitor using the same, wherein the electrode active material is characterized by comprising M1-xRuxO3, where M is at least one selected from a group consisting of strontium, barium and magnesium, and a method for fabricating a composite electrode active material comprises (a) preparing a spinning solution containing a precursor of M oxide, a precursor of Ru oxide, a polymer and a solvent, (b) spinning the spinning solution on a collector to fabricate a nanofiber web having M1-xRuxO3 precursor, and (c) performing heat treatment for the nanofiber web to remove the polymer so as to make an electrode active material in the structure of porous nanofiber web having M1-xRuxO3, wherein the M comprises at least one selected from a group consisting of strontium, barium and magnesium.
    Type: Application
    Filed: September 13, 2010
    Publication date: March 15, 2012
    Inventors: Il Doo KIM, Yong-Won SONG, Tae Seon HYUN