Patents by Inventor Tae-Hyun Yang

Tae-Hyun Yang 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: 20170237087
    Abstract: A high-temperature polymer electrolyte membrane fuel cell stack may include a plurality of cell units; a cooling assembly including a plurality of first independent cooling plates disposed on top surfaces of the plurality of cell units, respectively, and a plurality of second independent cooling plates disposed on bottom surfaces of the plurality of cell units, respectively; and a support assembly configured to support the plurality of cell units and the cooling assembly.
    Type: Application
    Filed: February 16, 2017
    Publication date: August 17, 2017
    Inventors: Young-Jun Sohn, Minjin Kim, Seung-Gon Kim, Gu-Gon Park, Byungchan Bae, Sung-Dae Yim, Seok-Hee Park, Tae-Hyun Yang, Won-Yong Lee, Chang-Soo Kim
  • Publication number: 20170236427
    Abstract: Provided is a flight path calculating method for high altitude long endurance of an unmanned aerial vehicle based on regenerative fuel cells and solar cells according to an exemplary embodiment of the present invention may include a modeling step, a simulation step, and an analyzing step, and may be configured in a program form executed by an arithmetic processing means including a computer. a flight path searching method and a flight path searching apparatus for performing continuous flight path re-searching on the basis of information measured in real time during a flight of the unmanned aerial vehicle in the stratosphere to change a flight path so that the unmanned aerial vehicle may permanently perform long endurance in the stratosphere is provided.
    Type: Application
    Filed: February 16, 2017
    Publication date: August 17, 2017
    Inventors: Minjin KIM, Young-jun SOHN, Seung-gon KIM, Gu-gon PARK, Byungchan BAE, Sung-dae YIM, Seok-hee PARK, Tae-hyun YANG, Won-yong LEE, Chang-soo KIM, Moon-Yong CHA
  • Publication number: 20170179514
    Abstract: Provided are a reinforced composite membrane and a method of manufacturing the reinforced composite membrane, and more particularly, a reinforced composite membrane including a porous support layer; and an electrolyte membrane layer formed on one surface or each of both surfaces of the porous support layer, at least a portion of the porous support layer being impregnated with an electrolyte, and a method of manufacturing the reinforced composite membrane. The reinforced composite membrane may enhance an interfacial adhesive force between a support and the electrolyte membrane layer, and may be manufactured on a continuous mass production.
    Type: Application
    Filed: November 30, 2016
    Publication date: June 22, 2017
    Applicant: KOREA INSTITUTE OF ENERGY RESEARCH
    Inventors: Byungchan Bae, Hyejin Lee, Sung-Dae Yim, Chang-Soo Kim, Won-Yong Lee, Gu-Gon Park, Tae-Hyun Yang, Seok-Hee Park, Minjin Kim, Young-Jun Sohn, Seung-Gon Kim
  • Publication number: 20170069916
    Abstract: Provided are a metal oxide-carbon nanomaterial composite, a method of preparing the metal oxide-carbon nanomaterial composite, a catalyst, a method of preparing the catalyst, and a catalyst layer that includes the catalyst and that is used for fuel cell electrodes. The metal oxide-carbon nanomaterial composite includes a metal oxide particle having a specific surface area of 5 square meters per gram (m2/g) or less, and a carbon nanomaterial formed on a surface of the metal oxide particle. The catalyst includes a metal oxide-carbon nanomaterial composite in which a carbon nanomaterial is formed on a metal oxide particle, and an active metal particle formed on a surface of the carbon nanomaterial.
    Type: Application
    Filed: September 2, 2016
    Publication date: March 9, 2017
    Inventors: Sung Dae Yim, Seong Hun Cho, Kwang Hyun Chang, Eun Ja Lim, Tae Hyun Yang, Young Jun Sohn, Byung Chan Bae, Seok Hee Park, Gu Gon Park, Chang Soo Kim, Seung Gon Kim, Min Jin Kim
  • Patent number: 9590258
    Abstract: Provided are an apparatus and a method for managing a fuel cell vehicle system, and more particularly, an apparatus and a method for managing a fuel cell vehicle system capable of optimally maintaining a driving method based on environmental information and product information.
    Type: Grant
    Filed: October 14, 2015
    Date of Patent: March 7, 2017
    Assignee: Korea Institute of Energy Research
    Inventors: Min Jin Kim, Young-Jun Sohn, Gu-Gon Park, Byung Chan Bae, Sung-Dae Yim, Young-Woo Choi, Seok-Hee Park, Young-Gi Yoon, Tae-Hyun Yang, Won-Yong Lee, Chang-Soo Kim
  • Patent number: 9577274
    Abstract: Provided are an apparatus and a method for managing a fuel cell vehicle system, and more particularly, an apparatus and a method for managing a fuel cell vehicle system capable of optimally maintaining a driving method based on environmental information and product information.
    Type: Grant
    Filed: September 16, 2013
    Date of Patent: February 21, 2017
    Assignee: Korea Institute of Energy Research
    Inventors: Min Jin Kim, Young-Jun Sohn, Gu-Gon Park, Byung Chan Bae, Sung-Dae Yim, Young-Woo Choi, Seok-Hee Park, Young-Gi Yoon, Tae-Hyun Yang, Won-Yong Lee, Chang-Soo Kim
  • Patent number: 9559363
    Abstract: Provided are a method for preparing a catalyst layer by an in-situ sol-gel reaction of tetraethoxysilane, and a fuel cell including the catalyst layer prepared thereby. Addition of silica mitigates specific adsorption of sulfonate groups contained in a Nafion ionomer on a Pt catalyst layer in a high-voltage region where the role of a catalyst predominates, resulting in improvement of ORR performance.
    Type: Grant
    Filed: January 16, 2013
    Date of Patent: January 31, 2017
    Assignee: Korea Institute of Energy Research
    Inventors: Sung-Dae Yim, Taeyoung Kim, Seok-Hee Park, Young-Gi Yoon, Gu-Gon Park, Tae-Hyun Yang, Young-Woo Choi, Byung-Chan Bae, Young-Jun Son, Min-Jin Kim, Chang-Soo Kim
  • Patent number: 9306233
    Abstract: The present invention concerns the preparation of an anion binder for a solid alkaline fuel cell which enhances durability to electrochemical reactions and makes the production of electrode slurry easy. A method of preparing an anion binder for a solid alkaline fuel cell includes: (A) mixing an electrolytic monomer of quaternary ammonium salts having a cation group, a bisacrylicamide crosslinking agent having a tertiary amino group, and water together by stirring; (B) mixing the mixture with a photoinitiator; (C) interposing the solution between polyethylene terephthalate films and irradiating the solution with ultraviolet light for crosslinking and polymerization; and (D) pulverizing crosslinked polymerized resin to a nano size.
    Type: Grant
    Filed: June 24, 2013
    Date of Patent: April 5, 2016
    Assignee: KOREA INSTITUTE OF ENERGY RESEARCH
    Inventors: Young Woo Choi, Mi Soon Lee, Tae Hyun Yang, Chang Soo Kim, Young Gi Yoon, Seok Hee Park, Sung Dae Yim, Gu Gon Park, Young Jun Sohn, Minjin Kim, Byungchan Bae
  • Publication number: 20160036077
    Abstract: Provided are an apparatus and a method for managing a fuel cell vehicle system, and more particularly, an apparatus and a method for managing a fuel cell vehicle system capable of optimally maintaining a driving method based on environmental information and product information.
    Type: Application
    Filed: October 14, 2015
    Publication date: February 4, 2016
    Inventors: Min Jin Kim, Young-Jun Sohn, Gu-Gon Park, Byung Chan Bae, Sung-Dae Yim, Young-Woo Choi, Seok-Hee Park, Young-Gi Yoon, Tae-Hyun Yang, Won-Yong Lee, Chang-Soo Kim
  • Publication number: 20150278704
    Abstract: Provided is a method for optimization of fuel cells operating conditions using a hybrid model, and more particularly, a method for optimization of fuel cells operating conditions using a hybrid model which generates a life prediction model determined by time and temperature based on a theoretical performance model and an empirical durability model and estimates an optimal operation temperature in a target life based on the life prediction model.
    Type: Application
    Filed: May 21, 2014
    Publication date: October 1, 2015
    Applicant: Korea Institute of Energy Research
    Inventors: Minjin KIM, Young-Jun SOHN, Gu-Gon PARK, Byungchan BAE, Sung-Dae YIM, Young-Woo CHOI, Seok-Hee PARK, Tae-Hyun YANG, Won-Yong LEE, Chang-Soo KIM
  • Patent number: 9093677
    Abstract: Provided are an apparatus and a method for managing a stationary fuel cell system, and more particularly, an apparatus and a method for managing a stationary fuel cell system capable of optimally maintaining a driving method based on environmental information and product information.
    Type: Grant
    Filed: September 16, 2013
    Date of Patent: July 28, 2015
    Assignee: Korea Institute of Energy Research
    Inventors: Min Jin Kim, Young-Jun Sohn, Gu-Gon Park, Byung Chan Bae, Sung-Dae Yim, Young-Woo Choi, Seok-Hee Park, Young-Gi Yoon, Tae-Hyun Yang, Won-Yong Lee, Chang-Soo Kim
  • Patent number: 9077016
    Abstract: An anion exchange composite membrane is filled with crosslinked polymer electrolytes for fuel cells.
    Type: Grant
    Filed: August 17, 2012
    Date of Patent: July 7, 2015
    Assignee: KOREA INSTITUTE OF ENERGY RESEARCH
    Inventors: Young Woo Choi, Mi Soon Lee, Tae Hyun Yang, Chang Soo Kim, Young Gi Yoon, Seok Hee Park, Sung Dae Yim, Gu Gon Park, Young Jun Sohn, Minjin Kim, Byungchan Bae
  • Patent number: 8871406
    Abstract: A highly proton conductive polymer electrolyte composite membrane for a fuel cell is provided. The composite membrane includes crosslinked polyvinylsulfonic acid. The composite membrane is produced by impregnating a mixed solution of vinylsulfonic acid as a monomer, a hydroxyl group-containing bisacrylamide as a crosslinking agent and a photoinitiator or thermal initiator into a microporous polymer support, polymerizing the monomer, and simultaneously thermal-crosslinking or photo-crosslinking the polymer to form a chemically crosslinked polymer electrolyte membrane which is also physically crosslinked with the porous support. Further provided is a method for producing the composite membrane in a simple manner at low cost as well as a fuel cell using the composite membrane.
    Type: Grant
    Filed: December 23, 2008
    Date of Patent: October 28, 2014
    Assignee: Korea Institute of Energy Research
    Inventors: Young Woo Choi, Chang Soo Kim, Gu Gon Park, Seok Hee Park, Sung Dae Lim, Tae Hyun Yang, Young Gi Yoon, Min Jin Kim, Kyoung Youn Kim, Young Jun Sohn, Won Yong Lee, Mi-Soon Lee
  • Publication number: 20140315119
    Abstract: Disclosed are a new method for preparing a highly conductive anion-exchange composite membrane with a crosslinked polymer electrolyte for an alkaline fuel cell and a composite membrane prepared by the same. The method includes (A) mixing (vinylbenzyl)trimethylammonium chloride, 1,3,5-triacryloylhexahydro-1,3,5-triazine, and a mixed solution of deionized water and dimethyl formamide at a weight ratio of 1:1 together by stirring at a weight ratio of 60˜75:5˜16:20˜25; (B) mixing 100 parts by weight of the mixed solution with 0.
    Type: Application
    Filed: June 24, 2013
    Publication date: October 23, 2014
    Inventors: Young Woo Choi, Hyun Gu Kang, Mi Soon Lee, Tae Hyun Yang, Chang Soo Kim, Young Gi Yoon, Seok Hee Park, Sung Dae Yim, Gu Gon Park, Young Jun Sohn, Minjin Kim, Byungchan Bae
  • Publication number: 20140315115
    Abstract: The present invention concerns the preparation of an anion binder for a solid alkaline fuel cell which enhances durability to electrochemical reactions and makes the production of electrode slurry easy. A method of preparing an anion binder for a solid alkaline fuel cell includes: (A) mixing an electrolytic monomer of quaternary ammonium salts having a cation group, a bisacrylicamide crosslinking agent having a tertiary amino group, and water together by stirring; (B) mixing the mixture with a photoinitiator; (C) interposing the solution between polyethylene terephthalate films and irradiating the solution with ultraviolet light for crosslinking and polymerization; and (D) pulverizing crosslinked polymerized resin to a nano size.
    Type: Application
    Filed: June 24, 2013
    Publication date: October 23, 2014
    Inventors: Young Woo Choi, Mi Soon Lee, Tae Hyun Yang, Chang Soo Kim, Young Gi Yoon, Seok Hee Park, Sung Dae Yim, Gu Gon Park, Young Jun Sohn, Minjin Kim, Byungchan Bae
  • Publication number: 20140236535
    Abstract: Provided are an apparatus and a method for soft-sensing a vehicle or stationary fuel cell system capable of predicting a quality variable based on a process variable and providing the predicted quality variable in real time.
    Type: Application
    Filed: February 19, 2014
    Publication date: August 21, 2014
    Applicant: Korea Institute of Energy Research
    Inventors: Minjin KIM, Young-Jun SOHN, Gu-Gon PARK, Byungchan BAE, Sung-Dae YIM, Young-Woo CHOI, Seok-Hee PARK, Tae-Hyun YANG, Won-Yong LEE, Chang-Soo KIM
  • Patent number: 8720252
    Abstract: A quality control apparatus for a gas diffusion layer includes a support, at least one first pressure device, a plate provided below the first pressure device and supporting the pressure applied to the gas diffusion layer sample, a first controller controlling the compression of the first pressure device, a thickness gauge measuring the thickness of the gas diffusion layer sample, a flow channel formed in the sample compressing portion to discharge a gas to the gas diffusion layer sample, a gas supply controller, a gas supply source, a pressure gauge, two fixing devices, a third controller controlling the compression of the fixing devices, two second pressure, a second controller controlling the compression of the second pressure device, a stopper, a protrusion, and a load cell.
    Type: Grant
    Filed: October 18, 2010
    Date of Patent: May 13, 2014
    Assignee: Korea Institute of Energy Research
    Inventors: Gu-Gon Park, Minjin Kim, Young-Jun Sohn, Young-Woo Choi, Seok-Hee Park, Sung-Dae Yim, Tae-Hyun Yang, Young-Gi Yoon, Won-Yong Lee, Chang-Soo Kim
  • Patent number: 8685590
    Abstract: An apparatus for pre-activation of a polymer electrolyte fuel cell includes a first plate and a second plate hot pressing the unit cell stack, each having a flow channel supplying water vapor to opposing inner surfaces with the unit cell stack therebetween and including a resistor producing heat, a compressor, a temperature controller and a water vapor supplier connected to the flow channels of the plates. The apparatus for pre-activating a polymer electrolyte fuel cell may be used to prepare a prep-activated integrated body of a polymer electrolyte fuel cell membrane electrode assembly and gas diffusion layers by performing hot pressing while supplying water vapor to the unit cell stack to hydrate the polymer electrolyte membrane.
    Type: Grant
    Filed: January 14, 2011
    Date of Patent: April 1, 2014
    Assignee: Korea Institute of Energy Research
    Inventors: Gu-Gon Park, Minjin Kim, Young-Jun Sohn, Young-Woo Choi, Seok-Hee Park, Sung-Dae Yim, Tae-Hyun Yang, Young-Gi Yoon, Won-Yong Lee, Chang-Soo Kim
  • Publication number: 20140080023
    Abstract: Provided are an apparatus and a method for managing a stationary fuel cell system, and more particularly, an apparatus and a method for managing a stationary fuel cell system capable of optimally maintaining a driving method based on environmental information and product information.
    Type: Application
    Filed: September 16, 2013
    Publication date: March 20, 2014
    Applicant: Korea Institute of Energy Research
    Inventors: Min Jin Kim, Young-Jun Sohn, Gu-Gon Park, Byung Chan Bae, Sung-Dae Yim, Young-Woo Choi, Seok-Hee Park, Young-Gi Yoon, Tae-Hyun Yang, Won-Yong Lee, Chang-Soo Kim
  • Publication number: 20140080022
    Abstract: Provided are an apparatus and a method for managing a fuel cell vehicle system, and more particularly, an apparatus and a method for managing a fuel cell vehicle system capable of optimally maintaining a driving method based on environmental information and product information.
    Type: Application
    Filed: September 16, 2013
    Publication date: March 20, 2014
    Applicant: Korea Institute of Energy Research
    Inventors: Min Jin Kim, Young-Jun Sohn, Gu-Gon Park, Byung Chan Bae, Sung-Dae Yim, Young-Woo Choi, Seok-Hee Park, Young-Gi Yoon, Tae-Hyun Yang, Won-Yong Lee, Chang-Soo Kim