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