Patents by Inventor Seong Ahn

Seong Ahn 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: 20090238711
    Abstract: Disclosed is a Ni-Al alloy anode for molten carbonate fuel cell made by in-situ sintering the Ni-Al alloy. Further, disclosed is a method for preparing the same comprising steps of preparing a sheet with Ni-Al alloy powders (S1); and installing the sheet in a fuel cell without any heat treatment for sintering the Ni-Al alloy in the sheet and then in-situ sintering the Ni-Al alloy in the sheet during a pretreatment process of the cell with the sheet (S2), wherein a reaction activity of the Ni-Al alloy anode can be maintained, the method is simple and economic, and a mass production of the Ni-Al alloy anode and a scale-up in the method are easy.
    Type: Application
    Filed: June 2, 2009
    Publication date: September 24, 2009
    Applicant: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Sung Pil Yoon, Seong Ahn Hong, In Hwan Oh, Tae Hoon Lim, Suk-Woo Nam, Heung Yong Ha, Jonghee Han, Eun Ae Cho, Jaeyoung Lee
  • Publication number: 20090233148
    Abstract: A membrane-electrode assembly (MEA) is prepared by a low-temperature transfer method. A binder-free carbon layer is formed on a transfer substrate so as to avoid decreased performance due to the formation of a skin layer caused by the interfacial segregation of the ionomer or binder.
    Type: Application
    Filed: March 11, 2009
    Publication date: September 17, 2009
    Applicant: Korea Institute of Science & Technology
    Inventors: Soo-Kil KIM, Jae Hyung Cho, Heung Yong Ha, In Hwan Oh, Tae Hoon Lim, Suk-woo Nam, Seong Ahn Hong
  • Publication number: 20090208793
    Abstract: Disclosed is a hybrid-type power supplying apparatus which may use a fuel cell device as a main power supplier for a robot and a rechargeable battery as an auxiliary power supplier for the robot. In the hybrid-type power supplying apparatus, when the power consumption of the robot exceeds the selected amount of power generation of the fuel cell device, the loads of the rechargeable battery and the fuel cell stack can be managed in such a manner that power is supplied from the rechargeable battery to the robot as an auxiliary power for the robot supplementing the main power for the robot.
    Type: Application
    Filed: October 10, 2008
    Publication date: August 20, 2009
    Applicant: Korea Institute of Science & Technology
    Inventors: Heung Yong Ha, Han-ik Joh, Tae Jung Ha, Soo-Kil Kim, Hyoung-Juhn Kim, Tae Hoon Lim, Suk-Woo Nam, In Hwan Oh, Seong Ahn Hong
  • Publication number: 20090023018
    Abstract: Disclosed are a multi-layered electrode for fuel cell and a method for producing the same, wherein the electrode can be operated under non-humidification and normal temperature, the flooding of the electrode catalyst layer can be prevented, and the long-term operation characteristic can be increased due to the prevention of the loss of the electrode catalyst layer.
    Type: Application
    Filed: October 31, 2005
    Publication date: January 22, 2009
    Applicant: Korea Institute of Science and Technology
    Inventors: In Hwan Oh, Eun Ae Cho, Hyoung-Juhn Kim, Heung Yong Ha, Seong Ahn Hong, Tae Hoon Lim, Suk-Woo Nam, Sung Pil Yoon, Jonghee Han, Jaeyoung Lee, Hyung Chul Hahm
  • Publication number: 20080241627
    Abstract: A partially sulfonated polybenzimidazole based polymer for fuel cell membrane is prepared by copolymerizing monomers of 3,3?-diaminobenzidine, isophthalic acid and 5-sulfoisophthalic acid to obtain a partially sulfonated polybenzimidazole, and doping the partially sulfonated polybenzimidazole with inorganic acid.
    Type: Application
    Filed: December 19, 2007
    Publication date: October 2, 2008
    Applicant: Korea Institute of Science & Technology
    Inventors: Hyoung-Juhn Kim, Jeung Woo Lee, Tae-Hoon Lim, Suk Woo Nam, Seong-Ahn Hong, In-Hwan Oh, Hyung Chul Ham, Sang-Yeop Lee
  • Publication number: 20080241620
    Abstract: A separator for cooling an MCFC has a cooling gas flow path provided in the separator, a cooling anode gas or a cooling cathode gas flowing through the cooling gas flow path, the cooling anode gas or the cooling cathode gas having a temperature lower than that of a general anode gas or a general cathode gas which is supplied to an anode or a cathode of the MCFC.
    Type: Application
    Filed: December 31, 2007
    Publication date: October 2, 2008
    Applicant: Korea Institue of Science and Technology
    Inventors: Hyung Chul Ham, Seong-Ahn Hong, In-Hwan Oh, Tae-Hoon Lim, Suk Woo Nam, Heung Yong Ha, Jonghee Han, Sung Pil Yoon, Jaeyoung Lee, Hyoung-Juhn Kim, Eun Ae Cho, Yeong Cheon Kim, Sang-Yeop Lee
  • Patent number: 7402294
    Abstract: Disclosed is a catalyst for a partial oxidation reforming reaction of fuel in the form of disk having through-hole. In addition, according to the invention, there is provided a fuel reforming apparatus and method using the catalyst. The catalyst for a partial oxidation reforming reaction of fuel according to the invention makes it possible to progress the partial oxidation reforming reaction of fuel smoothly, to improve the efficiency when reforming the fuel and to simplify the fuel reforming reactor. According to the fuel reforming apparatus and method, since the heat of reaction is efficiently controlled and used, a simple on-off operation, reduction of starting time and a stable operational condition are accomplished, which are indispensably required for a fuel reforming system in fuel cells, such as household, portable and car fuel cells.
    Type: Grant
    Filed: November 16, 2006
    Date of Patent: July 22, 2008
    Assignee: Korea Institute of Science & Technology
    Inventors: Suk-Woo Nam, Sang Jun Kong, Seong-Ahn Hong, In-Hwan Oh, Tae-Hoon Lim, Heung Yong Ha, Sung Pil Yoon, Jonghee Han, Eun Ae Cho
  • Publication number: 20080007516
    Abstract: An electrophoretic display and a method of manufacturing the electrophoretic display are provided. The electrophoretic display includes an lower electrode formed on an under layer, an lower electrode protection layer formed on the lower electrode, an insulating template formed on the lower electrode protection layer and having a plurality of holes of smaller size than the wavelength of visible rays region, a dielectric fluid filling the holes and having a color, a plurality of charged particles suspended in the dielectric fluid filling each of the plurality of holes having a color different from the color of the dielectric fluid, and an upper electrode formed on the insulating template in sequential order. Accordingly, a problem of agglomeration of the charged particles can be solved by the insulating template having holes of smaller size than the wavelength of visible rays region, and thus a reliable electrophoretic display emitting light of one color or natural colors is achieved.
    Type: Application
    Filed: September 17, 2007
    Publication date: January 10, 2008
    Inventors: Seong Ahn, Kyung Suh, Seung Kang, Yong Lee, Chul Kim, Meyoung Joung, Mi Kim, Gun Lee
  • Publication number: 20080002327
    Abstract: An earthing device which needs not be buried under the ground is provided. The earthing device includes an earthing panel and a discharging device mounted inside the earthing panel. The discharging device includes at least one electrode plate, multiple discharging electrodes coupled to the electrode plate, and catalyst filled between the discharging electrodes. Since an earth electrode needs not be buried under the ground, it requires less construction costs, time and area, and environmental pollution (especially, soil pollution) does not happen. Further, the earthing device can be simply and economically installed regardless of place.
    Type: Application
    Filed: July 24, 2006
    Publication date: January 3, 2008
    Applicant: GROUND CO., LTD.
    Inventors: Jea Woo, Jin Huh, Seungjoon Ahn, Seong Ahn, Chul Geun Park, Ho Sub Son, Jin Seok Jin, Hyung Gu Jeon
  • Publication number: 20070287050
    Abstract: Provided is an MEA for fuel cell containing hygroscopic inorganic material such as TEOS (tetraethylorthosilicate), zirconium propoxide or titanium t-butoxide.
    Type: Application
    Filed: November 30, 2006
    Publication date: December 13, 2007
    Inventors: Hyoung-Juhn Kim, Eun Ae Cho, Sung Pil Yoon, Jonghee Han, Jaeyoung Lee, Tae-Hoon Lim, Suk-Woo Nam, Heung Yong Ha, Seong Ahn Hong, In-Hwan Oh
  • Publication number: 20070231655
    Abstract: The present invention relates to a method for manufacturing composite polymer electrolyte membranes coated with inorganic thin films for fuel cells using a plasma enhanced chemical vapor deposition (PECVD) method or a reactive sputtering method, so as to reduce the crossover of methanol through polymer electrolyte membranes for fuel cells and enhance the performance of the fuel cells. The manufacturing method of composite polymer electrolyte membranes coated with inorganic thin films for fuel cells according to the present invention is characterized to obtain composite membranes by coating the surface of commercial composite polymer electrolyte membranes for fuel cells with inorganic thin films using a PECVD method or a reactive sputtering method. The inorganic materials to form the inorganic thin films are chosen one or more from the group comprising silicon oxide (SiO2), titanium oxide (TiO2), zirconium oxide (ZrO2), zirconium phosphate (Zr(HPO4)2), zeolite, silicalite, and aluminum oxide (Al2O3).
    Type: Application
    Filed: April 27, 2007
    Publication date: October 4, 2007
    Applicant: Korea Institute of Science & Technology
    Inventors: Heung-Yong Ha, Soon Jong Kwak, Daejin Kim, Juno Shim, In-Hwan Oh, Seong-Ahn Hong, Tae-Hoon Lim, Suk-Woo Nam
  • Patent number: 7271127
    Abstract: Disclosed is a catalyst for a partial oxidation reforming reaction of fuel in the form of disk having through-hole. In addition, according to the invention, there is provided a fuel reforming apparatus and method using the catalyst. The catalyst for a partial oxidation reforming reaction of fuel according to the invention makes it possible to progress the partial oxidation reforming reaction of fuel smoothly, to improve the efficiency when reforming the fuel and to simplify the fuel reforming reactor. According to the fuel reforming apparatus and method, since the heat of reaction is efficiently controlled and used, a simple on-off operation, reduction of starting time and a stable operational condition are accomplished, which are indispensably required for a fuel reforming system in fuel cells, such as household, portable and car fuel cells.
    Type: Grant
    Filed: December 13, 2004
    Date of Patent: September 18, 2007
    Assignee: Korea Institute of Science and Technology
    Inventors: Suk-Woo Nam, Sang Jun Kong, Seong-Ahn Hong, In-Hwan Oh, Tae-Hoon Lim, Heung Yong Ha, Sung Pil Yoon, Jonghee Han, EunAe Cho
  • Publication number: 20070202369
    Abstract: Provided are a direct formic acid fuel cell capable of maintaining performance constantly through implementing the real time measurement and control of formic acid concentration.
    Type: Application
    Filed: October 30, 2006
    Publication date: August 30, 2007
    Applicant: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Jaeyoung LEE, Jonghee HAN, Tae Hoon LIM, Suk-Woo NAM, Sung Pil YOON, Hyoung-Juhn KIM, Eun Ae CHO, Heung Yong HA, Seong Ahn HONG, In Hwan OH, Hyung Chul HAHM, Yeong Cheon KIM, Sang Yeop LEE, Kwang Soo LEE
  • Publication number: 20070116948
    Abstract: An adhesive film and a method of fabricating a flexible display using the same are provided. The adhesive film includes: a support including a first surface disposed opposite to a flexible substrate for forming an image display element and a second surface disposed opposite to a support substrate for supporting the flexible substrate; a first adhesive material applied on the first surface of the support; and a second adhesive material applied on the second surface of the support and having a greater adhesive strength than the first adhesive material. The flexible substrate can be easily detached from the support substrate, so that the flexible display can be realized in various sizes and thicknesses using existing equipment without modification of mass-production equipment for realizing the flexible display.
    Type: Application
    Filed: June 28, 2006
    Publication date: May 24, 2007
    Inventors: Gi Kim, Yong Kim, In You, Kyu Baek, Seung Kang, Seong Ahn, Kyung Suh
  • Publication number: 20070082138
    Abstract: A surface treatment method of an FRP substrate is provided. According to the method, an FRP substrate that is less deformed than a conventional flexible substrate material is used, and surface roughness, which is a drawback of the FRP substrate, is improved so that it may be applied to the fabrication of a device. In order to reduce the surface roughness of an FRP substrate, the FRP substrate is coated with an organic insulating solution and thereby planarized. Due to the reduced deformation and superior flatness, failures occurring due to misalignment in a photolithography process may be prevented.
    Type: Application
    Filed: June 8, 2006
    Publication date: April 12, 2007
    Inventors: In You, Seung Kang, Seong Ahn, Gi Kim, Ji Oh, Chul Kim, Kyu Baek, Kyung Suh
  • Publication number: 20070072019
    Abstract: Disclosed is a catalyst for a partial oxidation reforming reaction of fuel in the form of disk having through-hole. In addition, according to the invention, there is provided a fuel reforming apparatus and method using the catalyst. The catalyst for a partial oxidation reforming reaction of fuel according to the invention makes it possible to progress the partial oxidation reforming reaction of fuel smoothly, to improve the efficiency when reforming the fuel and to simplify the fuel reforming reactor. According to the fuel reforming apparatus and method, since the heat of reaction is efficiently controlled and used, a simple on-off operation, reduction of starting time and a stable operational condition are accomplished, which are indispensably required for a fuel reforming system in fuel cells, such as household, portable and car fuel cells.
    Type: Application
    Filed: November 16, 2006
    Publication date: March 29, 2007
    Applicant: Korea Institute of Science and Technology
    Inventors: Suk-Woo Nam, Sang Jun Kong, Seong-Ahn Hong, In-Hwan Oh, Tae-Hoon Lim, Heung Yong Ha, Sung Pil Yoon, Jonghee Han, EunAe Cho
  • Publication number: 20070065358
    Abstract: Disclosed is a catalyst for a partial oxidation reforming reaction of fuel in the form of disk having through-hole. In addition, according to the invention, there is provided a fuel reforming apparatus and method using the catalyst. The catalyst for a partial oxidation reforming reaction of fuel according to the invention makes it possible to progress the partial oxidation reforming reaction of fuel smoothly, to improve the efficiency when reforming the fuel and to simplify the fuel reforming reactor. According to the fuel reforming apparatus and method, since the heat of reaction is efficiently controlled and used, a simple on-off operation, reduction of starting time and a stable operational condition are accomplished, which are indispensably required for a fuel reforming system in fuel cells, such as household, portable and car fuel cells.
    Type: Application
    Filed: November 16, 2006
    Publication date: March 22, 2007
    Applicant: Korea Institute of Science and Technology
    Inventors: Suk-Woo Nam, Sang Kong, Seong-Ahn Hong, In-Hwan OH, Tae-Hoon Lim, Heung Ha, Sung Yoon, Jonghee Han, EunAe Cho
  • Patent number: 7141329
    Abstract: Disclosed is an electrode having a novel configuration for improving performance of the electrode used in solid-oxide fuel cells, sensors and solid state devices, in which the electrode providing electron conductivity is coated with ion conductive ceramic ceria film, enabling an electron conductive path and an ion conductive path to be independently and continuously maintained, and additionally extending a triple phase boundary where electrode/electrolyte/gas are in contact, and a method for manufacturing the same. The electrode is manufactured by coating the prefabricated electrode for use in a SOFC or sensor with a porous oxygen ion conductive ceramic ceria film by a sol-gel method, whereby the electron conductive material and ion conductive material exist independently, having a new microstructure configuration with a greatly extended triple phase boundary, thus improving electrode performance.
    Type: Grant
    Filed: June 3, 2002
    Date of Patent: November 28, 2006
    Assignee: Korea Institute of Science and Technology
    Inventors: Seong-Ahn Hong, In-Hwan Oh, Tae-Hoon Lim, Suk-Woo Nam, Heung-Yong Ha, Sung Pil Yoon, Jonghee Han
  • Publication number: 20060244688
    Abstract: Disclosed is an organic electroluminescence display device which can prevent picture quality deterioration due to the characteristic deterioration of transistors provided in respective pixels.
    Type: Application
    Filed: November 3, 2005
    Publication date: November 2, 2006
    Inventors: Seong Ahn, Chang Pyon
  • Patent number: D591290
    Type: Grant
    Filed: February 14, 2008
    Date of Patent: April 28, 2009
    Assignee: LG Electronics Inc.
    Inventors: Sun Ha Park, Seong Ahn Jeon, Min Jae Lee