Patents by Inventor Byung Hyun CHOI

Byung Hyun CHOI 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).

  • Publication number: 20140342269
    Abstract: Provided is a method of manufacturing an anode core-shell complex for a solid oxide fuel cell, including (A) manufacturing a stabilized zirconia (YSZ) sol by using zirconium hydroxide (Zr(OH)4) and yttrium nitrate (Y(NO3)3.6H2O) as a starting material and distilled water as a solvent by a hydrothermal method, (B) agitating nickel chloride, stabilized zirconia in a sol state, and a surfactant, (C) adding sodium hydroxide (NaOH), (D) adjusting a pH to a range of 6 to 8, and (E) sintering the nickel-stabilized zirconia core-shell powder.
    Type: Application
    Filed: November 25, 2013
    Publication date: November 20, 2014
    Applicant: KOREA INSTITUTE OF CERAMIC ENGINEERING AND TECHNOLOGY
    Inventors: Byung Hyun CHOI, Mi Jung JI, Min Jin LEE, Sun Ki HONG, Young Jin KANG
  • Publication number: 20140004346
    Abstract: The present disclosure relates to a method of synthesis of Lithium Titanate Oxide used for a cathode of Lithium ion battery, the method comprising: (A) diluting TiCl4 with TiOCl2; (B) adding YCl3 or NbCl5 at the rate of 0.1˜2 mol % to Ti(mol); (C) forming a complex salt by dissolving to put at least one selected from a group consisting of Hydroxy propyl cellulose or Polyethylene glycol in a solvent, the Hydroxy propyl cellulose being a complexing agent and being a dispersing agent as well, whereas the Polyethylene glycol being a dispersing agent; (D) synthesizing a titanium precursor by adding an aqueous ammonia solution; (E) preparing Y or Nb doped titanium dioxide(TiO2) powder by heat-treating the synthetic product in a temperature of 500˜700° C.; and (F) mixing the Y or Nb doped TiO2 powder with LiOH.H2O and heat-treating the mixture in a temperature of 800˜900° C.
    Type: Application
    Filed: August 31, 2012
    Publication date: January 2, 2014
    Inventors: Byung Hyun CHOI, Mi Jung Ji, Eun Kyung Kim, Young Jin Kwon, Sung Hun Jung, Yong Tae An
  • Patent number: 8576122
    Abstract: A method for measuring a location of a mobile terminal includes calculating first location information by using a ToA (Time of Arrival) scheme, calibrating the first location information by using angle information between two base stations and the terminal; calculating second location information by using an AoA (Angle of Arrival) scheme, and calculating a location value of the terminal by using the calibrated first location information and the second location information.
    Type: Grant
    Filed: June 10, 2011
    Date of Patent: November 5, 2013
    Assignee: LG Innotek Co., Ltd.
    Inventor: Byung Hyun Choi
  • Publication number: 20130236778
    Abstract: The present invention is based on an electrode binding material including polyacrylics and a functional group substituent(Li, Na, K) as a binder of an electrode. The present invention provides a polyacrylic acid an electrode binding material including a polyacrylics mixture having a high degree of polymerization and a functional group with Li, Na or K being substituted and high efficiency Lithium secondary battery utilizing a silicon anode active material etc. using the same. Therefore, the electrode binding material of the present invention has an excellent binding force, and can reduce side reactions in reactions of a secondary battery, and maintain a stable cycle property, and also enhance electric performance.
    Type: Application
    Filed: November 16, 2012
    Publication date: September 12, 2013
    Inventors: Byung Hyun Choi, Mi Jung Ji, Sung Hun Jung, Eun Kyung Kim
  • Patent number: 8465796
    Abstract: A method of manufacturing a unit cell of a solid oxide fuel cell using a decalcomania process, in which an anode, electrolyte, cathode and interconnect are deposited on a substrate using the decalcomania process when the unit cell of the solid oxide fuel cell having a variety of shapes, such as a planar type, a horizontal pipe type, a tubular type, a segmented type, and the like, is manufactured.
    Type: Grant
    Filed: December 8, 2010
    Date of Patent: June 18, 2013
    Assignee: Korea Institute of Ceramic Engineering and Technology
    Inventors: Byung Hyun Choi, Mi Jung Jee, Seong Tae Park, Dae Jin Lee, Mi Jai Lee, Yuong Jin Kwon
  • Publication number: 20110304506
    Abstract: A method for measuring a location of a mobile terminal includes calculating first location information by using a ToA (Time of Arrival) scheme, calibrating the first location information by using angle information between two base stations and the terminal; calculating second location information by using an AoA (Angle of Arrival) scheme, and calculating a location value of the terminal by using the calibrated first location information and the second location information.
    Type: Application
    Filed: June 10, 2011
    Publication date: December 15, 2011
    Applicant: LG Innotek Co., Ltd.
    Inventor: Byung Hyun Choi
  • Publication number: 20110135813
    Abstract: A method of manufacturing a unit cell of a solid oxide fuel cell using a transfer process, in which an anode, electrolyte, cathode and interconnect are deposited on a substrate using the transfer process when the unit cell of the solid oxide fuel cell having a variety of shapes, such as a planar type, a horizontal pipe type, a tubular type, a segmented type, and the like, is manufactured.
    Type: Application
    Filed: December 8, 2010
    Publication date: June 9, 2011
    Inventors: Byung Hyun CHOI, Mi Jung Jee, Seong Tae Park, Dae Jin Lee, Mi Jai Lee, Yuong Jin Kwon