Patent application number | Description | Published |
20080241611 | MCFC anode for direct internal reforming of ethanol, manufacturing process thereof, and method for direct internal reforming in MCFC containing the anode - A direct internal reforming system of ethanol for a molten carbonate fuel cell (MCFC) is provided. An MCFC anode for a direct internal reforming of ethanol, a manufacturing process thereof, and a direct internal reforming method in MCFC where an ethanol solution is injected into the anode are provided. by the simple process of coating the surface of the anode with small quantity of catalyst, the drawback in that the performance of MCFC is degraded when the ethanol is directly used as a fuel is overcome. Further, an additional apparatus such as an external reforming apparatus and additional cost for pelletizing the catalyst powders are not required, which is economical. Furthermore, the performance improvement enables long-term operation, which contributes to commercialization of MCFC. | 10-02-2008 |
20080241620 | SEPARATOR FOR COOLING MCFC, MCFC INCLUDING THE SAME AND METHOD FOR COOLING MCFC USING THE SEPARATOR - 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. | 10-02-2008 |
20080241627 | Partially sulfonated polybenzimidazole based polymer, method for preparing the same, MEA for fuel cell using the polybenzimidazole based polymer and method for preparing the same - 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. | 10-02-2008 |
20080299421 | Method for Analyzing the Performance of Mea and Segmented Cell Used for the Method - A separation plate having a gas flow path is segmented for analyzing MEA performance without segmenting an electrode or a gas diffusion layer. In advance, a MEA is operated for a long time in a real stack environment using a typical separation plate which is not segmented, and then the segmented separation plate for analyzing MEA performance is mounted to the MEA. | 12-04-2008 |
20090023018 | Multi-Layered Electrode for Fuel Cell and Method for Producing the Same - 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. | 01-22-2009 |
20090208793 | HYBRID TYPE POWER SUPPLYING APPARATUS - 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. | 08-20-2009 |
20090208814 | HONEYCOMB-TYPE SOLID OXIDE FUEL CELL AND METHOD FOR MANUFACTURING THE SAME - The present invention relates to a honeycomb type SOFC wherein a first material, density of which is lowered upon phase-transition, a second material having higher thermal expansion coefficient than that of an electrode supporter, or a composite material of the first and second materials is filled in the electrode channel to which the collector is bonded as a material which can form an oxide under the electrode atmosphere, and a manufacturing method thereof. | 08-20-2009 |
20090233148 | METHOD FOR PREPARING MEMBRANE ELECTRODE ASSEMBLY USING LOW-TEMPERATURE TRANSFER METHOD, MEMBRANE ELECTRODE ASSEMBLY PREPARED THEREBY, AND FUEL CELL USING THE SAME - 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. | 09-17-2009 |
20090238711 | Ni-Al ALLOY ANODE FOR MOLTEN CARBONATE FUEL CELL MADE BY IN-SITU SINTERING THE Ni-Al ALLOY AND METHOD FOR MAKING THE SAME - 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. | 09-24-2009 |
20100021775 | APPARATUS FOR PORTABLE FUEL CELLS AND OPERATING METHOD THEREOF - Disclosed are an apparatus for portable fuel cell and an operation method thereof, wherein stabilization state after initial operation can be determined using OCV. | 01-28-2010 |
20100021794 | METHOD OF FABRICATING CARBON MATERIAL, CARBON MATERIAL PREPARED BY THE METHOD, CELL MATERIAL AND APPARATUS USING THE SAME - Disclosed is a method for fabricating a carbon material, by which carbon fibers or carbon tubes, particularly branched carbon fibers or carbon tubes, are obtained via a so-called self-growing process without using external carbon sources. The carbon material obtained by the method has a large specific surface area and further includes a metal catalyst, and thus may be used in cell materials for a fuel cell or secondary battery, hydrogen storage devices, capacitors, solar cells, display panel or the like. | 01-28-2010 |
20100075202 | MEMBRANE-ELECTRODE ASSEMBLY INCLUDING GUARD GASKET - Disclosed is a membrane-electrode assembly (MEA) that prevents an electrolyte membrane from being damaged upon the fabrication of a single cell or a stack of fuel cells. The MEA further includes a guard gasket interposed between conventional gaskets, wherein the guard gasket has a thickness corresponding to 70%-95% of the thickness of the electrolyte membrane. The MEA ensures mechanical protection of the electrolyte membrane, and thus prevents the electrolyte membrane from being damaged by an excessive binding pressure upon the fabrication of a single cell or a stack of fuel cells. Furthermore, the contact resistance between the electrolyte membrane and the catalyst layer and the contact resistance between the gas diffusion layer and the catalyst layer can be minimized, thereby improving the quality of a fuel cell. | 03-25-2010 |
20100203415 | UNIT CELL OF HONEYCOMB-TYPE SOLID OXIDE FUEL CELL, STACK USING THE UNIT CELL AND METHOD MANUFACTURING THE UNIT CELL AND STACK - Disclosed is a unit cell of a honeycomb-type solid oxide fuel cell (SOFC) having a plurality of channels. The channels include cathode channels and anode channels. The cathode channels and anode channels are set up alternately in the unit cell. A collector is installed inside each of the cathode channels and the anode channels, and a packing material is packed into the channels having the collector. Disclosed also is a stack including the unit cells and methods for manufacturing the unit cell and the stack. | 08-12-2010 |
20110207027 | HYDROGEN SUPPLY TANK, AND HYDROGEN SUPPLY APPARATUS, HYDROGEN SUPPLY METHOD AND HYDROGEN-CONSUMING DEVICE USING THE SAME - Disclosed is a hydrogen supply tank including at least one hydrogen-generating container mounted thereto, wherein the hydrogen-generating container receives a hydrogen-generating material capable of heat emission and dehydrogenation under heating, and has a hydrogen discharge path that allows discharge of the generated hydrogen, on the wall surface thereof; the tank has a plurality of divided sections formed therein; the hydrogen-generating container is mounted to each section; and the hydrogen supply tank stores the hydrogen discharged from the hydrogen-generating container and supplies the hydrogen to external sites. Disclosed also are a hydrogen supply apparatus, a hydrogen supply method and a hydrogen-consuming device using the same. | 08-25-2011 |
20110217614 | DIRECT FORMIC ACID FUEL CELL PERFORMING REAL TIME MEASUREMENT AND CONTROL OF CONCENTRATION OF FORMIC ACID AND OPERATION METHOD THEREOF - Provided are a direct formic acid fuel cell and a method of operation thereof capable of maintaining performance constantly through implementing the real time measurement and control of formic acid concentration. | 09-08-2011 |
20110224090 | SINGLE NUCLEOTIDE POLYMORPHIC MARKERS OF TGFBetaRIII GENE FOR DIAGONISIS OF HEPATOCELLULAR CARCINOMA - The present invention relates to diagnostic markers for hepatocellar carcinoma and a method for predicting and diagnosing susceptibility to hepatocellular carcinoma, and more particularly, to polymorphic markers for the diagnosis of hepatocellular carcinoma based on polymorphisms present in exons of the TGFβRIII gene represented by SEQ ID No. 1, a diagnostic composition for hepatocellular carcinoma using the same, a diagnostic kit, a microarray, and a method for diagnosing hepatocellular carcinoma. The polymorphic markers for the diagnosis of hepatocellular carcinoma according to the present invention are genetic markers useful to diagnose genetic susceptibility specific to hepatocellular carcinoma. With these markers, susceptibility to hepatocellular carcinoma can be comprehensively determined. | 09-15-2011 |
20110236897 | NOVEL MARKERS FOR DIAGNOSING BRAIN DISEASE CAUSED BY BRAIN INJURY AND USE THEREOF - The present invention relates to novel markers for diagnosing brain disease caused by brain injury and the use thereof. More particularly, the present invention relates to novel diagnostic markers for brain disease caused by brain injury, which are identified by administering an MDMA drug, a diagnostic composition for brain disease caused by brain injury, a kit, a microarray, and a method for diagnosing brain disease caused by brain injury using the same, and relates to a method for screening a material for preventing or treating brain disease and a composition for preventing or treating brain disease caused by brain injury including the material. It was found that the expression amount of the marker genes of the present invention in tissues or cells of a patient with brain injury was over-expressed or under-expressed compared with that in normal tissues or cells. Thus, when used as diagnostic markers for brain disease caused by brain injury, the marker genes of the present invention can quickly and accurately diagnose and predict brain disease caused by brain injury at an early stage, and, particularly, can diagnose and predict brain disease caused by brain injury, which could be induced by an MDMA drug in the next generation. | 09-29-2011 |
20110240203 | METHOD FOR PRODUCING A MEMBRANE-ELECTRODE ASSEMBLY FOR A FUEL CELL - Disclosed is a method for producing a membrane electrode assembly for a fuel cell, including: dispersing a catalyst and a conductive binder into a dispersion solvent to provide catalyst slurry; subjecting the catalyst slurry to stirring, sonication and homogenization; applying the catalyst slurry onto a substrate, followed by drying; transferring the substrate coated with the catalyst slurry to either surface or both surfaces of an electrolyte membrane to form a catalyst layer; dipping the substrate, the catalyst layer and the electrolyte membrane obtained after the preceding operation into liquid nitrogen; and removing the substrate to provide an electrolyte membrane having the catalyst layer formed thereon. | 10-06-2011 |
20110319256 | PD-Y ALLOY CATALYST, METHOD FOR PREPARING THE SAME, AND FUEL CELL COMPRISING THE CATALYST - Disclosed are a platinum (Pt)-free, palladium (Pd)-yttrium (Y) alloy catalyst having superior oxygen reduction reaction activity and stability, a method for preparing the same, and a fuel cell including the catalyst. Since the Pt-free Pd-Y catalyst is inexpensive, it may be usefully applicable for fuel cells, particularly polymer electrolyte membrane fuel cells. | 12-29-2011 |
20120058414 | METHOD FOR PREPARING MEMBRANE-ELECTRODE ASSEMBLY, MEMBRANE-ELECTRODE ASSEMBLY PREPARED THEREFROM AND FUEL CELL COMPRISING THE SAME - Provided is a method for producing a membrane-electrode assembly for a full cell, comprising: preparing catalyst ink slurry from a catalyst, an ion conductive polymer and a solvent; applying the catalyst ink slurry onto a support film, followed by vacuum drying; and transferring the support film to either surface or both surfaces of an electrolyte membrane to form a catalyst layer on the electrolyte membrane. A membrane-electrode assembly obtained by the method and a fuel cell including the membrane-electrode assembly are also provided. The method provides a membrane-electrode assembly having increased porosity, and thus the membrane-electrode assembly shows significantly reduced mass transfer resistance. Therefore, the output density and the quality of the fuel cell including the membrane-electrode assembly prepared therefrom can be improved. | 03-08-2012 |
20120115050 | METHOD FOR IN-SITU PREPARATION OF POLYBENZIMIDAZOLE-BASED ELECTROLYTE MEMBRANE AND POLYBENZIMIDAZOLE-BASED ELECTROLYTE MEMBRANE PREPARED THEREBY - Disclosed is a method for in-situ preparation of a polybenzimidazole-based electrolyte membrane, including: polymerizing a polybenzimidazole polymer in a solution; casting a solution containing the polymerized polymer onto a substrate and drying the solution in air to form a membrane; washing the dried membrane with water or alcohol; and allowing water or alcohol to evaporate from the membrane containing water or alcohol, while maintaining the shape of the membrane. The method for in-situ preparation of a polybenzimidazole-based electrolyte membrane allows easy preparation of a polybenzimidazole-based electrolyte membrane having a desired area without any complicated processes, and thus contributes to simplification of an overall process for fabricating a fuel cell. | 05-10-2012 |
20120135862 | METHODS OF PREPARING ELECTROCATALYSTS FOR FUEL CELLS IN CORE-SHELL STRUCTURE AND ELECTROCATALYSTS - Provided are a method of preparing an electrocatalyst for fuel cells in a core-shell structure, an electrocatalyst for fuel cells having a core-shell structure, and a fuel cell including the electrocatalyst for fuel cells. The method may be useful in forming a core and a shell layer without performing a subsequent process such as chemical treatment or heat treatment and forming a core support in which core particles having a nanosize diameter are homogeneously supported, followed by selectively forming shell layers on surfaces of the core particles in the support. Also, the electrocatalyst for fuel cells has a high catalyst-supporting amount and excellent catalyst activity and electrochemical property. | 05-31-2012 |
20120196204 | MOLTEN CARBONATE FUEL CELLS INCLUDING REINFORCED LITHIUM ALUMINATE MATRIX, METHOD FOR PREPARING THE SAME, AND METHOD FOR SUPPLYING LITHIUM SOURCE - Disclosed is a molten carbonate fuel cell comprising a reinforced lithium aluminate matrix, a cathode, an anode, a cathode frame channel and an anode frame channel, wherein at least one of the cathode frame channel and the anode frame channel is filled with a lithium source. Disclosed also are a method for producing the same, and a method for supplying a lithium source. The molten carbonate fuel cell in which a lithium source is supplied to an electrode has high mechanical strength and maintains stability of electrolyte to allow long-term operation. | 08-02-2012 |
20120231364 | CATHODE FOR MOLTEN CARBONATE FUEL CELL AND MANUFACTURING METHOD OF THE SAME - Provided is a cathode for molten carbonate fuel cells, including a porous nickel-based electrode containing nickel particles, and metal particles coated on the electrode, wherein at least a part of the metal particles are attached to the surface of the nickel particles. A method for preparing the same is also provided. The cathode for molten carbonate fuel cells accelerates the cathodic oxygen reduction and reduces polarization resistance occurring at the cathode, thereby providing a fuel cell with improved performance even at low temperature. Additionally, it is possible to improve the service life of a molten carbonate fuel cell due to such low operation temperature. | 09-13-2012 |
20120237850 | ELECTROLYTE MEMBRANE FOR FUEL CELL INCLUDING BLEND OF POLYMERS WITH DIFFERENT DEGREES OF SULFONATION, AND MEMBRANE-ELECTRODE ASSEMBLY AND FUEL CELL INCLUDING THE SAME - Disclosed herein is an electrolyte membrane for a fuel cell. The electrolyte membrane includes a blend of polymers with different degrees of sulfonation. The electrolyte membrane can exhibit excellent effects such as improved long-term cell performance and good long-term dimensional stability while at the same time solving the problems of conventional hydrocarbon electrolyte membranes. Further disclosed are a membrane-electrode assembly and a fuel cell including the electrolyte membrane. | 09-20-2012 |
20130059231 | CORE-SHELL STRUCTURED ELECTROCATALYSTS FOR FUEL CELLS AND PRODUCTION METHOD THEREOF - Disclosed is a method for producing a core-shell structured electrocatalyst for a fuel cell. The method includes uniformly supporting nano-sized core particles on a support to obtain a core support, and selectively forming a shell layer only on the surface of the core particles of the core support. According to the method, the core and the shell layer can be formed without the need for a post-treatment process, such as chemical treatment and heat treatment. Further disclosed is a core-shell structured electrocatalyst for a fuel cell produced by the method. The core-shell structured electrocatalyst has a large amount of supported catalyst and exhibits superior catalytic activity and excellent electrochemical properties. Further disclosed is a fuel cell including the core-shell structured electrocatalyst. | 03-07-2013 |
20130060506 | INTACT METHOD OF EVALUATING UNIT CELLS IN A FUEL CELL STACK AND A DEVICE USING THE SAME - Disclosed are a method and an apparatus for an intact evaluation of the unit cells in a fuel cell stack. Since the degradation of the unit cells can be detected intactly, i.e. without disassembly of the stack, the time required for the detection and analysis thereof can be greatly reduced. | 03-07-2013 |
20130065945 | NLK AS A MARKER FOR DIAGNOSIS OF LIVER CANCER AND AS A THERAPEUTIC AGENT THEREOF - A novel marker for diagnosis of liver cancer and use thereof are provided. To be specific, a marker for diagnosis of liver cancer using over-expression of NLK (neuro-like kinase) in liver cancer cell is provided, along with a composition for diagnosis of liver cancer, a kit, a microarray, and a method for diagnosing liver cancer using the marker. Additionally, a method for screening a substance to prevent or treat liver cancer by decreasing expression of the marker gene or protein, and a composition for preventing or treating liver cancer including such substance are provided. Accordingly, the NLK gene can be efficiently used as a target for diagnosis and treatment of liver cancer. | 03-14-2013 |
20130189605 | CERIA-BASED COMPOSITION, CERIA-BASED COMPOSITE ELECTROLYTE POWDER, METHOD FOR SINTERING THE SAME AND SINTERED BODY MADE THEREOF - Provided are a ceria-based composition including ceria or metal-doped ceria, lithium salt, and optionally, bismuth oxide, ceria-based composite electrolyte powder, and a sintering method and sintered body using the same. Particularly, the lithium salt is present in an amount more than | 07-25-2013 |
20130209286 | HYDROGEN PUMP SYSTEM OPERABLE WITHOUT EXTERNAL ELECTRIC POWER SUPPLY - Disclosed is a hydrogen pump system operable without external electric power supply. The hydrogen pump system is capable of separating or purifying hydrogen without an external electric power supply. | 08-15-2013 |
20130216935 | POLY(BENZIMIDAZOLE-CO-BENZOXAZOLE) AND METHOD FOR PREPARING THE SAME - Provided is poly(benzimidazole-co-benzoxazole) having polybenzimidazole to which benzoxazole units are introduced, as a polymer electrolyte material. The polymer electrolyte material has both high proton conductivity and excellent mechanical properties even when it is obtained by in-situ phosphoric acid doping. The polymer electrolyte material may substitute for the conventional phosphoric acid-doped polybenzimidazole in a polymer electrolyte membrane fuel cell, particularly in a high-temperature polymer electrolyte membrane fuel cell. | 08-22-2013 |
20130323496 | PERFLUORINATED SULFONIC ACID POLYMER MEMBRANE HAVING POROUS SURFACE LAYER AND METHOD FOR PREPARING THE SAME - Provided are a perfluorinated sulfonic acid polymer membrane having a porous surface layer, which includes a surface layer and a bottom layer present at the bottom of the surface layer, wherein the surface layer is a porous layer, and the bottom layer is non-porous dense layer, and a method for preparing the same through a solvent evaporation process. | 12-05-2013 |
20130336826 | FLUID PUMPING DEVICE, FUEL CELL DEVICE AND FUEL GAS RECIRCULATION METHOD USING THE SAME - Provided is a fluid pumping device, and more particularly, a fluid pumping device capable of being used in fuel cell systems and the like and spatially separating a fluid temporary storage unit through which a fluid at high temperature passes from a pump, thereby maintaining the durability of the pump, facilitating replacement and management, and achieving a reduction in weight. | 12-19-2013 |
20140004446 | CERIA-BASED COMPOSITION INCLUDING BISMUTH OXIDE, CERIA-BASED COMPOSITE ELECTROLYTE POWDER INCLUDING BISMUTH OXIDE, METHOD FOR SINTERING THE SAME AND SINTERED BODY MADE THEREOF | 01-02-2014 |
20140221192 | PROCESS OF PREPARING CARBON-SUPPORTED METAL CATALYST BY PHYSICAL DEPOSITION - The present disclosure relates to a method and an apparatus for preparing nanosized metal or alloy nanoparticles by depositing metal or alloy nanoparticles with superior size uniformity on the surface of a powder as a base material by vacuum deposition and then dissolving or melting the base material using a solvent or heat. The method solves the problems of the existing expensive multi-step synthesis method based on chemical reduction and allows effective synthesis of metal or alloy nanoparticles with very uniform size and metal or alloy catalyst nanoparticles supported on carbon at low cost. | 08-07-2014 |
20140315118 | POLYMER ELECTROLYTE MEMBRANE FUEL CELL INCLUDING COMPLEX CATALYST AND METHOD FOR PRODUCING THE COMPLEX CATALYST - A polymer electrolyte membrane fuel cell is provided. The polymer electrolyte membrane fuel cell includes a phosphoric acid-doped polyimidazole electrolyte membrane and a complex catalyst. In the complex catalyst, an alloy or mixture of a metal and a chalcogen element is supported on a carbon carrier. The polymer electrolyte membrane fuel cell exhibits further improved long-term operation, power generation efficiency, and operational stability at high temperature. The complex catalyst can be produced by a simple method. | 10-23-2014 |
20140329169 | SULFONATED POLYETHERSULFONE COPOLYMER CONTAINING HYDROXYL GROUPS AND PREPARATION METHOD THEREOF, POLYMER ELECTROLYTE MEMBRANE FOR FUEL CELLS AND MEMBRANE ELECTRODE ASSEMBLY COMPRISING THE SAME - Provided are a hydroxyl group-containing sulfonated polyethersulfone copolymer, a method for preparing the same, a polymer electrolyte membrane for fuel cell, and a membrane electrode assembly including the same. More particularly, provided are a hydroxyl group-containing sulfonated polyethersulfone electrolyte membrane and a membrane electrode assembly including the same, which are applied to a fuel cell to provide significantly higher ion conductivity as compared to the sulfonated polymer electrolyte membranes according to the related art. The hydroxyl group-containing sulfonated polyethersulfone copolymer electrolyte membrane shows significantly higher ion conductivity under various temperature and humidity conditions as compared to the sulfonated polymer electrolyte membranes according to the related art. Therefore, it is expected that the hydroxyl group-containing sulfonated polyethersulfone copolymer substitutes for expensive fluoropolymer electrolyte membranes such as Nafion. | 11-06-2014 |
20140335442 | METHOD OF PREPARING NICKEL-ALUMINUM ALLOY POWDER AT LOW TEMPERATURE - Provided is a method for preparing nickel-aluminum alloy powder at low temperature, which is simple and economical and is capable of solving the reactor corrosion problem. The method for preparing nickel-aluminum alloy powder at low temperature includes: preparing a powder mixture by mixing nickel powder and aluminum powder in a reactor and adding aluminum chloride into the reactor (S1); vacuumizing the inside of the reactor and sealing the reactor (S2); and preparing nickel-aluminum alloy powder by heat-treating the powder mixture in the sealed reactor at low temperature (S3). | 11-13-2014 |