Patents Assigned to Korea Institute of Energy Research
  • Patent number: 11181569
    Abstract: An embodiment of the present disclosure provides an arc detection method, in which an apparatus detects arcs, comprising the steps of: obtaining time series data for measured values of an electric current flowing in a wire; calculating first statistical values indicating dispersion degrees with time of the measured values or dispersion degrees with time of variances of the measured values from the time series data; and determining that an arc occurs in the wire or that the possibility of arc occurrence in the wire is high in a case when at least one of the first statistical values is out of a predefined range.
    Type: Grant
    Filed: April 7, 2020
    Date of Patent: November 23, 2021
    Assignee: KOREA INSTITUTE OF ENERGY RESEARCH
    Inventors: Su Yong Chae, Mo Se Kang, Kuk Yeol Bae, Suk In Park, Hak Geun Jeong, Gi Hwan Yoon
  • Patent number: 11175036
    Abstract: Provided is a pyrolysis gasification apparatus for solid refuse fuel. The apparatus includes: a superheated steam housing formed in a cylindrical shape and installed in a horizontal direction, in which superheated steam is injected into the superheated steam housing; a screw casing formed in a tubular shape extending from one end to the other end inside the superheated steam housing and installed in the horizontal direction inside the superheated steam housing, in which solid refuse fuel (SRF) is introduced into the screw casing; a conveying screw with a plurality of screw blades on an outer peripheral surface, the conveying screw being installed inside the screw casing in the horizontal direction and rotating to convey the solid refuse fuel; and a superheated steam supplier for supplying superheated steam into the superheated steam housing, in which the superheated steam may move through a movement pat.
    Type: Grant
    Filed: March 30, 2020
    Date of Patent: November 16, 2021
    Assignee: Korea Institute of Energy Research
    Inventors: Jeong Geun Kim, Chong Pyo Cho, Seong Ryong Park
  • Patent number: 11167260
    Abstract: The present invention provides an oxygen selective adsorbent containing oxides of BaxSr(1?x)Mgy(CO3)(1+y) or BaxSr(1?x)CO3 particles, increasing transition oxygen partial pressure, and representing high thermal stability and excellent oxygen sorption cavity, by adding another metal such as Sr to Ba which is active element for oxygen adsorption, so as to be capable of desorbing oxygen under lower vacuum even at the same operating temperature than the existing oxygen selective adsorbent; and a preparation method thereof.
    Type: Grant
    Filed: May 15, 2018
    Date of Patent: November 9, 2021
    Assignee: KOREA INSTITUTE OF ENERGY RESEARCH
    Inventors: Jong-Ho Park, Taesung Jung, Hee-Tae Beum, Jong-Kee Park, Sang-Sup Han, Dong Woo Cho
  • Patent number: 11148097
    Abstract: The present invention relates to a low-temperature membrane separation device and method for capturing carbon dioxide at a high concentration, in which a gas mixture is passed through a membrane unit to thus separate carbon dioxide. The membrane unit includes a membrane for capturing carbon dioxide and is connected to a feed gas line, a retentate gas line and a permeate gas line. The method includes a first separation step of passing the gas mixture through a first membrane unit and a second separation step of passing the permeation gas, which is discharged to the permeate gas line connected to the first membrane unit, through a second membrane unit. The second separation step is performed at a temperature that is lower than a temperature at which the first separation step is performed.
    Type: Grant
    Filed: September 3, 2019
    Date of Patent: October 19, 2021
    Assignee: KOREA INSTITUTE OF ENERGY RESEARCH
    Inventors: Jung Hyun Lee, Jeong-gu Yeo, Jong-ho Moon, Woong Jin Oh, Dahun Lee
  • Patent number: 11146075
    Abstract: One exemplary embodiment provides a charging and discharging control apparatus for an energy storage apparatus, the charging and discharging control apparatus including: a charging and discharging controlling unit configured to control a charging and discharging current amount of the energy storage apparatus according to a droop curve; a communication unit configured to receive state information from the energy storage apparatus; and a droop curve adjusting unit configured to adjust a characteristic value of the droop curve according to the state information.
    Type: Grant
    Filed: October 9, 2019
    Date of Patent: October 12, 2021
    Assignee: KOREA INSTITUTE OF ENERGY RESEARCH
    Inventors: Su Yong Chae, Sea Seung Oh, Hak Geun Jeong, Jong Bok Baek, Soo Bin Han, Suk In Park
  • Publication number: 20210308949
    Abstract: Disclosed is a 3-D printing apparatus. The apparatus includes an ink output module including an ink supply unit having an ink for forming an electrode portion, electrolyte or packaging portion received therein and an ink discharge unit coupled to the ink supply unit; a driving unit having the ink output module mounted thereon to move the ink output module in an X, Y, Z axis direction with respect to a substrate where a supercapacitor or secondary battery will be formed; a dispenser connected to the ink supply unit to supply gas having controlled pressure to the ink supply unit through a gas supply tube and to supply the ink within the ink supply unit through the ink discharge unit; and a controller controlling the output of the ink by transmitting a control command for fabricating the supercapacitor or the secondary battery to the dispenser and the driving unit.
    Type: Application
    Filed: April 3, 2020
    Publication date: October 7, 2021
    Applicant: KOREA INSTITUTE OF ENERGY RESEARCH
    Inventors: Jung Joon YOO, Jeong Hun BAEK, YONG IL KIM, Ha Na YOON, Bo Yun JANG, Jong Huy KIM
  • Patent number: 11065859
    Abstract: A solar cell module disassembling device is disclosed. The device of present invention comprises a frame unit, wherein a laminated panel having a first panel and a second panel is mounted on the frame unit, and wherein the first and second panels are stacked and bonded; a guide module, being elongated in a forward and backward direction; a scraper unit, being movably coupled to the guide module, having a blade module, wherein the blade module moves in the forward and backward direction and presses the laminated panel and disassembles the laminated panel; and a transfer unit, being coupled to the scraper unit, delivering a driving force to the scraper unit, transferring the scraper unit.
    Type: Grant
    Filed: August 12, 2019
    Date of Patent: July 20, 2021
    Assignee: KOREA INSTITUTE OF ENERGY RESEARCH
    Inventors: Jin Seok Lee, Young Soo Ahn, Gi Hwan Kang, Jun Kyu Lee
  • Patent number: 11065783
    Abstract: Provided are a silicon ingot slicing apparatus capable of slicing silicon ingots in various forms such as blocks or wafers using microbubbles and wire electric discharge machining.
    Type: Grant
    Filed: May 2, 2017
    Date of Patent: July 20, 2021
    Assignee: KOREA INSTITUTE OF ENERGY RESEARCH
    Inventors: Bo-Yun Jang, Joon-Soo Kim, Hui-Chan Moon, Sun-Ho Choi
  • Patent number: 11059022
    Abstract: A highly selective carbon monoxide adsorbent and a method of preparing the highly selective carbon monoxide adsorbent are provided. The highly selective carbon monoxide adsorbent includes a boehmite or pseudo-boehmite in which a copper compound is dispersed.
    Type: Grant
    Filed: August 17, 2017
    Date of Patent: July 13, 2021
    Assignee: KOREA INSTITUTE OF ENERGY RESEARCH
    Inventors: Kanghee Cho, Sang Sup Han, Taesung Jung, Hee Tae Beum, Jong Nam Kim, Jungsu Kim
  • Patent number: 11054130
    Abstract: An apparatus for raising the temperature of superheated steam includes an inlet into which superheated steam is introduced, a body to raise the temperature of the superheated steam heated by an external heat source and introduced through the inlet, and an outlet provided inside the body and discharging the superheated steam temperature-raised by the body to the outside, in which an inner surface of a sidewall of the body is formed with an inner protrusion for heating the superheated steam while spirally rotating the superheated steam. The Apparatus enhances the flow of superheated steam in the process of raising the temperature by further heating superheated steam caused by waste heat generated in a waste combustion apparatus or the like, and at the same time, increases the area of contact of the superheated steam with a heat source to improve the temperature-raising efficiency.
    Type: Grant
    Filed: June 7, 2019
    Date of Patent: July 6, 2021
    Assignee: Korea Institute of Energy Research
    Inventors: Seong Ryong Park, Chong Pyo Cho, Jeong Geun Kim, Nam Sun Nho
  • Patent number: 11035393
    Abstract: The present disclosure relates to a decompression apparatus for superheated steam comprising: a temperature raising unit having an inlet connected to an exit side of a boiler for introducing steam discharged from the exit of the boiler, and an outlet for raising the temperature of steam introduced through the inlet and discharging it; a steam utilizing unit connected to the outlet and using the steam discharged from the outlet; and a decompression unit installed at one or all of a section between the exit side of the boiler and the inlet and a section between the outlet and the steam utilizing unit, the decompression unit controlling temperature of steam while decompressing pressure of steam. According to the decompression apparatus for superheated steam, it is possible to control the pressure and temperature of steam more precisely.
    Type: Grant
    Filed: July 19, 2019
    Date of Patent: June 15, 2021
    Assignee: Korea Institute of Energy Research
    Inventors: Seong Ryong Park, Chong Pyo Cho, Jeong Geun Kim, Seong Soo Kim
  • Publication number: 20210170488
    Abstract: The present disclosure is related to a method to control sizes of core-shell nanoparticles comprising the steps of: manufacturing slurry by irradiating ultrasonic waves to a dispersion solution containing a reducing solvent, a carbon support, a transition metal precursor and a precious metal precursor; manufacturing a solid by filtering the manufactured slurry, followed by washing and drying; and manufacturing a nanoparticle of a transition metal core and a platinum shell by heat-treating the dried solid at a temperature of 450 to 900° C. and a pressure of 1 to 90 bar for 0.5 to 10 hours under N2 atmosphere.
    Type: Application
    Filed: June 30, 2020
    Publication date: June 10, 2021
    Applicant: KOREA INSTITUTE OF ENERGY RESEARCH
    Inventors: Gu-gon PARK, Hyun-uk PARK, Won-yong LEE, Sung-dae YIM, Min-jin KIM, Young-jun SOHN, Byungchan BAE, Seung-gon KIM, Dongwon SHIN, Hwanyeong OH, Seung Hee WOO, So Jeong LEE, Hyejin LEE, Yoon Young CHOI, Seok-hee PARK, Tae-hyun YANG
  • Patent number: 11028724
    Abstract: The present invention provides a partial admission operation turbine apparatus comprising: a rotor portion rotatably coupled to a rotary shaft of a turbine and including a plurality of rotor blades; a nozzle portion fixedly coupled to the rotary shaft in front of the rotor portion and guiding and supplying a working fluid to the rotor blades through a plurality of nozzle blades; and an inlet disk coupled to the rotary shaft in front of the nozzle portion in a plate shape and having a plurality of admission holes formed therein so as to supply the working fluid to the nozzle portion to partially admit the working fluid into the nozzle portion, wherein each of the admission holes is formed to have a different passage cross-sectional areas, so that the opening and closing of the admission holes are controlled according to operating flow rate conditions to control a partial admission ratio of the working fluid supplied to the nozzle portion.
    Type: Grant
    Filed: November 1, 2017
    Date of Patent: June 8, 2021
    Assignee: KOREA INSTITUTE OF ENERGY RESEARCH
    Inventors: Hyung Ki Shin, Jun Hyun Cho, Young Jin Baik, Gil Bong Lee, Beom Joon Lee, Chui Woo Roh, Ho Sang Ra, Jong Jae Cho
  • Patent number: 11028711
    Abstract: According to the present invention, part of carbon dioxide heated by a heater is supplied to a dry gas seal portion of a compressor so that a device for pressurizing and heating a seal gas is not additionally required, configuration can be simplified and cost can be reduced. In addition, a seal gas flow path includes a low-temperature seal gas flow path and a high-temperature seal gas flow path so that, in an initial driving mode, carbon dioxide heated by a high-temperature portion of the heater is used as a seal gas and in a turbine-driving mode, carbon dioxide heated by a low-temperature portion of the heater is used as a seal gas and thus a more efficient operation can be performed.
    Type: Grant
    Filed: June 26, 2019
    Date of Patent: June 8, 2021
    Assignee: KOREA INSTITUTE OF ENERGY RESEARCH
    Inventors: Jun Hyun Cho, Bong Su Choi, Ho Sang Ra, Hyung Ki Shin, Jong Jae Cho, Beom Joon Lee, Chul Woo Roh, Gil Bong Lee, Young Jin Baik
  • Publication number: 20210157289
    Abstract: The present disclosure relates to a multifunctional energy storage system in which one energy storage system is capable of performing a plurality of functions and an operating method thereof.
    Type: Application
    Filed: June 11, 2020
    Publication date: May 27, 2021
    Applicant: Korea Institute of Energy Research
    Inventors: Jong Bok BAEK, Kuk Yeol BAE, Mo Se KANG, Sea Seung OH, Su Yong CHAE, Seon Ri HONG, Hak Geun JEONG
  • Publication number: 20210159529
    Abstract: The present invention relates to a method for manufacturing a membrane-electrode assembly, a membrane-electrode assembly, and a fuel cell. More specifically, the present invention relates to a method for manufacturing a membrane-electrode assembly, a membrane-electrode assembly, and a fuel cell, the method comprising: preparing an electrode layer; preparing a porous support layer; and positioning the electrode layer on each of both surfaces of the porous support layer, and hot pressing the electrode layer positioned on both surfaces of the porous support layer, wherein the preparing of the electrode layer comprises: forming a functional layer including a hydrogen ion conductive binder resin on at least a portion on an electrode catalyst layer; and forming an electrolyte layer on at least a portion on the functional layer.
    Type: Application
    Filed: March 12, 2020
    Publication date: May 27, 2021
    Applicant: KOREA INSTITUTE OF ENERGY RESEARCH
    Inventors: Sung Hee SHIN, Byung Chan BAE, Seok Hee PARK, Chang Soo KIM, Won Yong LEE, Gu Gon PARK, Tae Hyun YANG, Sung Dae YIM, Min Jin KIM, Young Jun SOHN, Seung Gon KIM, Dong Won SHIN, Hwan Yeong OH, Hye Jin LEE
  • Publication number: 20210140633
    Abstract: Provided is a pyrolysis gasification apparatus for solid refuse fuel. The apparatus includes: a superheated steam housing formed in a cylindrical shape and installed in a horizontal direction, in which superheated steam is injected into the superheated steam housing; a screw casing formed in a tubular shape extending from one end to the other end inside the superheated steam housing and installed in the horizontal direction inside the superheated steam housing, in which solid refuse fuel (SRF) is introduced into the screw casing; a conveying screw with a plurality of screw blades on an outer peripheral surface, the conveying screw being installed inside the screw casing in the horizontal direction and rotating to convey the solid refuse fuel; and a superheated steam supplier for supplying superheated steam into the superheated steam housing, in which the superheated steam may move through a movement pat.
    Type: Application
    Filed: March 30, 2020
    Publication date: May 13, 2021
    Applicant: KOREA INSTITUTE OF ENERGY RESEARCH
    Inventors: Jeong Geun KIM, Chong Pyo CHO, Seong Ryong PARK
  • Patent number: 10988847
    Abstract: The present invention relates to an apparatus and method of preparing carbonate and/or formate from carbon dioxide.
    Type: Grant
    Filed: November 6, 2017
    Date of Patent: April 27, 2021
    Assignee: KOREA INSTITUTE OF ENERGY RESEARCH
    Inventors: Ki Tae Park, Soon Kwan Jeong, Seong Pil Kang, Hak Joo Kim, Min Hye Youn
  • Patent number: 10981159
    Abstract: The present invention comprises: a separable material injection part for injecting a material therein; a mixing part for mixing the material injected in the material injection part; an aging part for aging, at a high temperature, the material mixed in the mixing part; and a firing part for supporting, on a support, the material aged in the aging part.
    Type: Grant
    Filed: April 25, 2019
    Date of Patent: April 20, 2021
    Assignee: KOREA INSTITUTE OF ENERGY RESEARCH
    Inventors: Ji-chan Park, Dong Hyun Chun, Jung-il Yang, Heon-do Jeong, Heon Jung, Ho-tae Lee, Dong-wook Lee, Chan-woo Lee, Shin Wook Kang
  • Patent number: 10978728
    Abstract: The present invention relates to a method for producing a 3- to 3.5-valent vanadium solution from a 4-valent vanadium solution by a catalytic reaction in the presence of a reducing agent, which generates a gas product during oxidation; a method for producing an electrolyte for a vanadium redox flow battery; and an apparatus for producing a liquid electrolyte for a vanadium redox flow battery. The present invention is characterized in that when a 3- to 3.5-valent vanadium electrolyte is produced from a 4-valent vanadium electrolyte by a catalytic reaction in the presence of a reducing agent, which generates a gas product during oxidation, the gas product produced in the catalytic reaction is captured with inert gas bubbles, which are carrier gases, and is removed from the reaction solution of the catalytic reaction by gas-liquid phase separation, thereby accelerating the catalytic reaction towards the forward reaction.
    Type: Grant
    Filed: April 12, 2019
    Date of Patent: April 13, 2021
    Assignee: KOREA INSTITUTE OF ENERGY RESEARCH
    Inventors: Shin-kun Ryi, Myung-seok Jeon, Jae Yun Han, Chang-Hyun Kim