Patent application number | Description | Published |
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 |
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 |
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 |
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 |
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 |
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 |
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 |
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 |
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 |