Patents by Inventor Yoon-cheol Ha

Yoon-cheol Ha 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).

  • METHOD FOR PREPARING SOLID ELECTROLYTE, SOLID ELECTROLYTE PREPARED THEREBY, AND ALL-SOLID-STATE BATTERY COMPRISING SAME
    Publication number: 20240079642
    Abstract: The present invention relates to a method for preparing an alkali metal ion conductive chalcogenide-based solid electrolyte, a solid electrolyte prepared thereby, and an all-solid-state battery comprising the same.
    Type: Application
    Filed: January 11, 2022
    Publication date: March 7, 2024
    Applicant: KOREA ELECTROTECHNOLOGY RESEARCH INSTITUTE
    Inventors: Yoon Cheol HA, Sang Min LEE, Byung Gon KIM, Gum Jae PARK, Jun Woo PARK, Jun Ho PARK, Ji Hyun YU, Won Jae LEE, You Jin LEE, Hae Young CHOI
  • METHOD AND SYSTEM FOR PREDICTING BEHAVIOR OF SECONDARY BATTERY ON BASIS OF PARAMETER MEASUREMENT
    Publication number: 20230258727
    Abstract: The present invention relates to a method and a system for predicting the behavior of a secondary battery on the basis of a parameter measurement, and a secondary battery behavior prediction system of the present invention comprises: a parameter tester, which is connected to a secondary battery cell to be tested so as to control the operation of the secondary battery cell, and thus calculates one or more pieces of parameter information associated with the performance, heating and deterioration of the secondary battery cell from the measured data; and a data processing device for predicting behavior information about the performance, heating and deterioration of the secondary battery cell through behavior analysis based on the one or more pieces of parameter information received from the parameter tester.
    Type: Application
    Filed: May 26, 2021
    Publication date: August 17, 2023
    Inventors: Yoon-cheol HA, Seung-wook EOM, Chil-hoon DOH, Ji Hyun YU, Hae Young CHOI
  • Method for manufacturing silicon-based nanocomposite anode active material for lithium secondary battery and lithium secondary battery using same
    Patent number: 8992739
    Abstract: A method for manufacturing a silicon-based nanocomposite anode active material for the lithium secondary battery and the lithium secondary battery using same, comprising the following steps: a first step of mounting a silicon-based wire between two electrodes, which are placed in a methanol-based solvent atmosphere, and manufacturing a dispersion solution in which silicon-based nanoparticles are dispersed by means of high-voltage pulse discharging; and a second step of manufacturing a silicon-based nanocomposite body by compositing the silicon-based nanoparticles in the solution and a different type of material.
    Type: Grant
    Filed: June 5, 2013
    Date of Patent: March 31, 2015
    Assignee: Korea Electrotechnology Research Institute
    Inventors: Yoon-cheol Ha, Chil-hoon Doh, Chu-hyun Cho
  • METHOD FOR MANUFACTURING SILICON-BASED NANOCOMPOSITE CATHODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY AND LITHIUM SECONDARY BATTERY USING SAME
    Publication number: 20130264190
    Abstract: A method for manufacturing a silicon-based nanocomposite anode active material for the lithium secondary battery and the lithium secondary battery using same, comprising the following steps: a first step of mounting a silicon-based wire between two electrodes, which are placed in a methanol-based solvent atmosphere, and manufacturing a dispersion solution in which silicon-based nanoparticles are dispersed by means of high-voltage pulse discharging; and a second step of manufacturing a silicon-based nanocomposite body by compositing the silicon-based nanoparticles in the solution and a different type of material.
    Type: Application
    Filed: June 5, 2013
    Publication date: October 10, 2013
    Inventors: Yoon-cheol Ha, Chil-hoon Doh, Chu-hyun Cho