Patents by Inventor Sang-Hyuk Im

Sang-Hyuk Im 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).

  • Patent number: 10981231
    Abstract: Methods for producing silver nanostructures with improved dimensional control, yield, purity, monodispersity, and scale of synthesis.
    Type: Grant
    Filed: July 10, 2018
    Date of Patent: April 20, 2021
    Assignee: University of Washington
    Inventors: Younan Xia, Sang-Hyuk Im, Yugang Sun, Yun Tack Lee, Benjamin Wiley
  • Patent number: 10546697
    Abstract: Provided is a solar cell including: a first electrode; a composite layer positioned on the first electrode and including a light absorber impregnated thereinto; a light absorption structure positioned on the composite layer and composed of a light absorber; a hole conductive layer positioned on the light absorption structure; and a second electrode positioned on the hole conductive layer.
    Type: Grant
    Filed: September 12, 2013
    Date of Patent: January 28, 2020
    Assignee: KOREA RESEARCH INSTITUTE OF CHEMICAL TECHNOLOGY
    Inventors: Sang Il Seok, Sang Hyuk Im, Jun Hong Noh, Jin Hyuck Heo
  • Patent number: 10529460
    Abstract: Provided is a method for preparing metal/molybdenum oxide nanoparticles, the method including: preparing polycrystalline molybdenum oxide particles; and obtaining metal-doped molybdenum oxide nanoparticles by dissolving the polycrystalline molybdenum oxide particles and a metal precursor in a first solvent, and then performing a solvothermal reaction.
    Type: Grant
    Filed: January 9, 2018
    Date of Patent: January 7, 2020
    Assignee: UNIVERSITY-INDUSTRY COOPERATION GROUP OF KYUNG HEE UNIVERSITY
    Inventors: Jin Soo Kim, Sang Hyuk Im, Jin Hyuck Heo, Kyung Min Im, Woo Sik Kim
  • Patent number: 10479696
    Abstract: Provided is a method for preparing molybdenum oxide nanoparticles, including (a) preparing a precursor solution by dissolving a molybdenum salt in a first polar solvent, (b) generating an aerosol by applying ultrasonic waves to the precursor solution, and spraying the aerosol to a pre-heated reactor using a carrier gas, (c) obtaining molybdenum oxide micron-sized particles by pyrolyzing the aerosol, and (d) obtaining molybdenum oxide nanoparticles by dispersing the molybdenum oxide micron-sized particles in a second polar solvent and performing a solvothermal reduction reaction.
    Type: Grant
    Filed: June 10, 2016
    Date of Patent: November 19, 2019
    Assignee: University-Industry Cooperation Group of Kyung Hee University
    Inventors: Jinsoo Kim, Sang Hyuk Im, Su Ha, Han-Seul Choi, Woo-Sik Kim, Sung Pil Yoon, Jonghee Han
  • Publication number: 20190315626
    Abstract: Provided are a graphene-based compound, a preparation method thereof, a single-phase composition for preparing a graphene-based compound, and a graphene quantum dot. Specifically, provided are a graphene-based compound prepared from a single-phase composition for preparing a graphene-based compound including hydrocarbyl amine, a hydroxyl group-containing carbon source, and an acid, a preparation method thereof, a single-phase composition for preparing a graphene-based compound, and a graphene quantum dot.
    Type: Application
    Filed: November 16, 2018
    Publication date: October 17, 2019
    Applicants: KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY, KOREA UNIVERSITY RESEARCH AND BUSINESS FOUNDATION
    Inventors: O Ok PARK, Seok Hwan LEE, Sang Hyuk IM
  • Publication number: 20190228917
    Abstract: Provided is a solar cell including: a first electrode; an electron transport layer positioned on the first electrode; a light absorber; a hole transport layer; and a second electrode, wherein the light absorber contains a solid-solution of at least two organic-metal halides with a perovskite structure, having different compositions from each other.
    Type: Application
    Filed: January 29, 2019
    Publication date: July 25, 2019
    Inventors: Sang Il SEOK, Sang Hyuk IM, Jun Hong NOH, Jin Hyuck HEO
  • Patent number: 10229791
    Abstract: A method for preparing a perovskite solar cell by a non-deposition method is provided. Particularly, the method includes preparing a first substrate by forming a hole transport layer on a light absorbing layer in a semi-dried state and pressurizing and drying a second substrate including an opposing electrode to the first substrate.
    Type: Grant
    Filed: January 30, 2017
    Date of Patent: March 12, 2019
    Assignees: Hyundai Motor Company, University-Industry Cooperation Group of Kyung Hee University
    Inventors: Sol Kim, Mi Yeon Song, Sang Hak Kim, Eun Yeong Lee, Moon Jung Eo, Sang Hyuk Im, Hye Ji Han
  • Publication number: 20190071320
    Abstract: Provided is a method for preparing metal/molybdenum oxide nanoparticles, the method including: preparing polycrystalline molybdenum oxide particles; and obtaining metal-doped molybdenum oxide nanoparticles by dissolving the polycrystalline molybdenum oxide particles and a metal precursor in a first solvent, and then performing a solvothermal reaction.
    Type: Application
    Filed: January 9, 2018
    Publication date: March 7, 2019
    Inventors: Jin Soo Kim, Sang Hyuk Im, Jin Hyuck Heo, Kyung Min Im, Woo Sik Kim
  • Patent number: 10128531
    Abstract: Provided are a method of preparing solid electrolyte particles of Chemical Formula 1 including preparing a precursor solution by mixing a titanium precursor, a lanthanum precursor, and a lithium precursor in an aqueous or organic solvent, and heat treating the precursor solution, solid electrolyte particles prepared thereby, and a lithium secondary battery including the solid electrolyte particles: Li3xLa(2/3-x)TiO3(0<x<0.16).??<Chemical Formula 1> According to a method of preparing solid electrolyte particles according to an embodiment of the present invention, solid electrolyte particles may be easily prepared by heat treating at low temperature for a short period of time.
    Type: Grant
    Filed: October 24, 2014
    Date of Patent: November 13, 2018
    Assignees: LG Chem, Ltd., University-Industry Cooperation Group of Kyung Hee University
    Inventors: Su Hee Lee, Won Bae Byun, Sang Hyuk Im, Cheol Hee Park
  • Publication number: 20180311741
    Abstract: Methods for producing silver nanostructures with improved dimensional control, yield, purity, monodispersity, and scale of synthesis.
    Type: Application
    Filed: July 10, 2018
    Publication date: November 1, 2018
    Applicant: University of Washington
    Inventors: Younan Xia, Sang-Hyuk Im, Yugang Sun, Yun Tack Lee, Benjamin Wiley
  • Publication number: 20180122584
    Abstract: A method for preparing a perovskite solar cell by a non-deposition method is provided. Particularly, the method includes preparing a first substrate by forming a hole transport layer on a light absorbing layer in a semi-dried state and pressurizing and drying a second substrate including an opposing electrode to the first substrate.
    Type: Application
    Filed: January 30, 2017
    Publication date: May 3, 2018
    Applicants: HYUNDAI MOTOR COMPANY, University-Industry Cooperation Group of Kyung Hee University
    Inventors: Sol Kim, Mi Yeon Song, Sang Hak Kim, Eun Yeong Lee, Moon Jung Eo, Sang Hyuk Im, Hye Ji Han
  • Publication number: 20160362303
    Abstract: Provided is a method for preparing molybdenum oxide nanoparticles, including (a) preparing a precursor solution by dissolving a molybdenum salt in a first polar solvent, (b) generating an aerosol by applying ultrasonic waves to the precursor solution, and spraying the aerosol to a pre-heated reactor using a carrier gas, (c) obtaining molybdenum oxide micron-sized particles by pyrolyzing the aerosol, and (d) obtaining molybdenum oxide nanoparticles by dispersing the molybdenum oxide micron-sized particles in a second polar solvent and performing a solvothermal reduction reaction.
    Type: Application
    Filed: June 10, 2016
    Publication date: December 15, 2016
    Applicant: University-Industry Cooperation Group of Kyung Hee University
    Inventors: Jinsoo KIM, Sang Hyuk IM, Su HA, Han-Seul CHOI, Woo-Sik KIM, Sung Pil YOON, Jonghee HAN
  • Publication number: 20160271701
    Abstract: Methods for producing silver nanostructures with improved dimensional control, yield, purity, monodispersity, and scale of synthesis.
    Type: Application
    Filed: June 2, 2016
    Publication date: September 22, 2016
    Applicant: University of Washington
    Inventors: Younan Xia, Sang-Hyuk Im, Yugang Sun, Yun Tack Lee, Benjamin Wiley
  • Patent number: 9388480
    Abstract: Methods for producing silver nanostructures with improved dimensional control, yield, purity, monodispersity, and scale of synthesis.
    Type: Grant
    Filed: June 30, 2015
    Date of Patent: July 12, 2016
    Assignee: University of Washington
    Inventors: Younan Xia, Sang-Hyuk Im, Yugang Sun, Yun Tack Lee, Benjamin Wiley
  • Patent number: 9252374
    Abstract: Provided is a method for manufacturing a solar cell including: a) forming an electron transport layer on a first electrode; b) forming a light absorber by applying a light absorber solution as a solution for forming a light absorber containing an organic-metal halide having a perovskite structure, the light absorber solution containing an organic halide and a metal halide dissolved therein so as to have a non-stoichiometric ratio based on the organic-metal halide; c) forming a hole conduction layer by applying and drying a hole transport solution in which an organic hole transport material is dissolved; and d) forming a second electrode, which is a counter electrode of the first electrode, on the hole conduction layer.
    Type: Grant
    Filed: January 10, 2014
    Date of Patent: February 2, 2016
    Assignee: KOREA RESEARCH INSTITUTE OF CHEMICAL TECHNOLOGY
    Inventors: Sang Il Seok, Sang Hyuk Im, Jun Hong Noh, Jin Hyuck Heo
  • Publication number: 20160020486
    Abstract: Provided are a method of preparing solid electrolyte particles of Chemical Formula 1 including preparing a precursor solution by mixing a titanium precursor, a lanthanum precursor, and a lithium precursor in an aqueous or organic solvent, and heat treating the precursor solution, solid electrolyte particles prepared thereby, and a lithium secondary battery including the solid electrolyte particles: Li3xLa(2/3-x)TiO3 (0<x<0.16). ??<Chemical Formula 1> According to a method of preparing solid electrolyte particles according to an embodiment of the present invention, solid electrolyte particles may be easily prepared by heat treating at low temperature for a short period of time.
    Type: Application
    Filed: October 24, 2014
    Publication date: January 21, 2016
    Inventors: Su Hee LEE, Won Bae BYUN, Sang Hyuk IM, Cheol Hee PARK
  • Publication number: 20160005547
    Abstract: Provided is a solar cell including: a first electrode; an electron transport layer positioned on the first electrode; a light absorber; a hole transport layer; and a second electrode, wherein the light absorber contains a solid-solution of at least two organic-metal halides with a perovskite structure, having different compositions from each other.
    Type: Application
    Filed: January 10, 2014
    Publication date: January 7, 2016
    Inventors: Sang Il SEOK, Sang Hyuk IM, Jun Hong NOH, Jin Hyuck HEO
  • Publication number: 20150349282
    Abstract: Provided is a method for manufacturing a solar cell including: a) forming an electron transport layer on a first electrode; b) forming a light absorber by applying a light absorber solution as a solution for forming a light absorber containing an organic-metal halide having a perovskite structure, the light absorber solution containing an organic halide and a metal halide dissolved therein so as to have a non-stoichiometric ratio based on the organic-metal halide; c) forming a hole conduction layer by applying and drying a hole transport solution in which an organic hole transport material is dissolved; and d) forming a second electrode, which is a counter electrode of the first electrode, on the hole conduction layer.
    Type: Application
    Filed: January 10, 2014
    Publication date: December 3, 2015
    Inventors: Sang Il SEOK, Sang Hyuk IM, Jun Hong NOH, Jin Hyuck HEO
  • Publication number: 20150336174
    Abstract: Methods for producing silver nanostructures with improved dimensional control, yield, purity, monodispersity, and scale of synthesis.
    Type: Application
    Filed: June 30, 2015
    Publication date: November 26, 2015
    Applicant: University of Washington
    Inventors: Younan Xia, Sang-Hyuk Im, Yugang Sun, Yun Tack Lee, Benjamin Wiley
  • Patent number: 9109270
    Abstract: Methods for producing silver nanostructures with improved dimensional control, yield, purity, monodispersity, and scale of synthesis.
    Type: Grant
    Filed: February 6, 2012
    Date of Patent: August 18, 2015
    Assignee: University of Washington
    Inventors: Younan Xia, Sang-Hyuk Im, Yugang Sun, Yun Tack Lee, Benjamin Wiley