Patent application number | Description | Published |
20080291133 | Plasma display, controller therefor, and driving method thereof - A plasma display according to an exemplary embodiment of the present invention applies different driving methods according to a maximum grayscale level of image data input for one field. When the maximum grayscale level of the field is higher than a reference level, an address period for selecting a light emitting cell and a non-light emitting cell from a plurality of discharge cells and a sustain period for sustain-discharging light emitting cells among the plurality of discharge cells are simultaneously driven in a plurality of sequential subfields after a first subfield. When the maximum grayscale level of the field is less than the reference level, the address period and the sustain period are time-separately driven in the plurality of subfields. | 11-27-2008 |
20100136378 | FUEL REFORMER BURNER OF FUEL CELL SYSTEM - A fuel reformer burner in which fuel gas and anode-off-gas (AOG) may be burned and backfire may be prevented during combustion of AOG includes a fuel supply portion, an anode-off-gas (AOG) supply portion; and a combustion air supply portion. The fuel supply portion and the AOG supply portion are arranged inside the combustion air supply portion, which is formed to extend beyond the discharge sides of the fuel supply portion and the AOG supply portion. | 06-03-2010 |
20100151296 | ELECTRODE CATALYST FOR FUEL CELL AND FUEL CELL INCLUDING ELECTRODE HAVING ELECTRODE CATALYST - An electrode catalyst for a fuel cell and a fuel cell including an electrode having the electrode catalyst, include a non-platinum (Pt) catalyst, and a cerium (Ce) metal catalyst, both of which are supported on a carbon-based catalyst support having an improved catalytic activity at a decreased cost. The non-Pt catalyst may be at least one selected from the group consisting of Mn, Pd, Ir, Au, Cu, Co, Ni, Fe, Ru, WC, W, Mo, Se, any alloys thereof, and any mixtures thereof, and the Ce metal catalyst may be a Ce oxide. | 06-17-2010 |
20100159297 | HYDROCARBON REFORMING CATALYST, METHOD OF PREPARING THE HYDROCARBON REFORMING CATALYST, AND FUEL CELL EMPLOYING THE HYDROCARBON REFORMING CATALYST - A hydrocarbon reforming catalyst, a method of preparing the hydrocarbon reforming catalyst, and a fuel cell including the hydrocarbon reforming catalyst. The hydrocarbon reforming catalyst includes a nickel active catalyst layer loaded on an oxide carrier, and a metal oxide. | 06-24-2010 |
20100167919 | HYDROCARBON REFORMING CATALYST, METHOD OF PREPARING THE SAME AND FUEL CELL INCLUDING THE HYDROCARBON REFORMING CATALYST - A hydrocarbon reforming catalyst includes an oxide support as well as a nickel active catalyst layer, a metal oxide, an alkali metal supported by the oxide support. | 07-01-2010 |
20100248076 | ELECTRODE CATALYST FOR FUEL CELLS, METHOD OF PREPARING THE ELECTRODE CATALYST, AND FUEL CELL INCLUDING ELECTRODE CONTAINING THE ELECTRODE CATALYST - An electrode catalyst for fuel cells, a method of preparing the electrode catalyst, and a fuel cell including the electrode containing the electrode catalyst have been improved. The electrode catalyst includes a beryllium (Be) oxide catalyst, which oxidizes carbon monoxide included in a fuel gas into carbon dioxide, and a platinum (Pt) based catalyst. Thus, loss in catalytic activity of the Pt-based catalyst due to carbon monoxide is decreased, and the activity and life of the fuel cell including the electrode catalyst are improved. | 09-30-2010 |
20110081599 | ELECTRODE CATALYST FOR FUEL CELL, METHOD OF PREPARING ELECTRODE CATALYST, AND FUEL CELL USING ELECTRODE CATALYST - Non-platinum (Pt) electrode catalysts for fuel cells, methods of manufacturing the same, and fuel cells including the non-Pt electrode catalysts. Each of the non-Pt electrode catalysts for fuel cells includes at least palladium (Pd) and iridium (Ir), and further includes a metal, oxide of the metal, or mixture thereof for compensating for the activity of Pd and Ir. | 04-07-2011 |
20110151354 | Electrode catalyst for fuel cell, method of manufacturing the same, and fuel cell using the Electrode catalyst - An electrode catalyst for a fuel cell includes a complex support including at least one metal oxide and carbon-based material; and a palladium (Pd)-based catalyst supported by the complex support. A method of manufacturing the electrode catalyst includes dissolving a precursor of a palladium (Pd)-based catalyst in a solvent and preparing a mixture solution for a catalyst; adding a complex support including at least one metal oxide and a carbon-based material to the mixture solution for a catalyst and stirring the mixture solution to which the complex support is added; drying the mixture solution for a catalyst, to which the complex support is added, in order to disperse the precursor of the Pd-based catalyst on the complex support; and reducing the precursor of the Pd-based catalyst dispersed on the complex support. A fuel cell includes the electrode catalyst. | 06-23-2011 |
20110177425 | ELECTRODE CATALYST FOR FUEL CELL, METHOD OF MANUFACTURING THE SAME, MEMBRANE ELECTRODE ASSEMBLY INCLUDING THE ELECTRODE CATALYST, AND FUEL CELL INCLUDING THE MEMBRANE ELECTRODE ASSEMBLY - Electrode catalysts for fuel cells, a method of manufacturing the same, a membrane electrode assembly (MEA) including the same, and a fuel cell including the MEA are provided. The electrode catalysts include a first catalyst alloy containing palladium (Pd), cobalt (Co), and phosphorus (P), a second catalyst alloy containing palladium (Pd) and phosphorus (P), and a carbon-based support to support the catalysts. | 07-21-2011 |
20110294038 | ELECTRODE CATALYST FOR FUEL CELLS, METHOD OF PREPARING THE SAME, AND FUEL CELL INCLUDING ELECTRODE CONTAINING THE ELECTRODE CATALYST - Electrode catalysts for fuel cells including a non-platinum (Pt) metal catalyst material including at least two metals, a metal oxide cocatalyst material, and at least one carbon support, methods of preparing the same, and fuel cells including the electrolyte catalysts. | 12-01-2011 |
20120028165 | COMPOSITE, ELECTRODE CATALYST INCLUDING THE COMPOSITE, METHOD OF PREPARING THE COMPOSITE, AND FUEL CELL INCLUDING THE COMPOSITE - A composite including a metal having oxygen-reducing activity, nitrogen and carbon, the composite comprising polyhedral particles, an electrode catalyst including the composite, a method of preparing the composite, and a fuel cell using the composite. | 02-02-2012 |
20120183869 | CATALYST INCLUDING ACTIVE PARTICLES, METHOD OF PREPARING THE CATALYST, FUEL CELL INCLUDING THE CATALYST, ELECTRODE INCLUDING THE ACTIVE PARTICLES FOR LITHIUM AIR BATTERY, AND LITHIUM AIR BATTERY INCLUDING THE ELECTRODE - A catalyst including active particles that have a core including a first metal oxide, and a shell including an alloy of a second metal with a reduction product of the first metal oxide; a method of preparing the catalyst; a fuel cell including the catalyst; an electrode for lithium air battery that includes the active particles; and a lithium air battery including the electrode. | 07-19-2012 |
20120196207 | ELECTRODE CATALYST FOR FUEL CELL, METHOD OF PREPARING THE SAME, MEMBRANE ELECTRODE ASSEMBLY AND FUEL CELL INCLUDING THE SAME - An electrode catalyst for a fuel cell, a method of preparing the same, and a membrane electrode assembly and a fuel cell including the same. The electrode catalyst includes a catalyst particle that incorporates a plurality of palladium atoms, a plurality of atoms of a transition metal, and a plurality of atoms of a precious metal having a higher standard reduction potential than the transition metal, where all of the plurality of atoms of the transition metal are respectively surrounded by at least one of the palladium atoms, the neighboring atoms of the transition metal, or the atoms of the precious metal. | 08-02-2012 |
20130078548 | ELECTRODE CATALYST FOR FUEL CELL, METHOD OF PREPARATION, MEA INCLUDING THE CATALYST, AND FUEL CELL INCLUDING THE MEA - An electrode catalyst for fuel cell, a method of preparing the electrode catalyst, a membrane electrode assembly including the electrode catalyst, and a fuel cell including the membrane electrode assembly. The electrode catalyst includes a crystalline catalyst particle incorporating a precious metal having oxygen reduction activity and a Group 13 element, where the Group 13 element is present in a unit lattice of the crystalline catalyst particle. | 03-28-2013 |
20130137009 | ELECTRODE CATALYST FOR FUEL CELL, METHOD OF PREPARING THE SAME, AND MEMBRANE ELECTRODE ASSEMBLY AND FUEL CELL INCLUDING ELECTRODE CATALYST - An electrode catalyst for a fuel cell which including alloy particles including a Group 8 metal and a Group 9 metal. | 05-30-2013 |
20130149632 | ELECTRODE CATALYST FOR A FUEL CELL, METHOD OF PREPARING THE SAME, AND MEMBRANE ELECTRODE ASSEMBLY AND FUEL CELL INCLUDING THE ELECTRODE CATALYST - An electrode catalyst for a fuel cell including porous catalyst particles including a noble metal having oxygen-reduction activity and a carbonaceous support, wherein the porous catalyst particles are disposed on the carbonaceous support, and an electrochemical specific surface area of the porous catalyst particles is about 70 m | 06-13-2013 |
20130196237 | COMPOSITE, CATALYST INCLUDING THE SAME, FUEL CELL AND LITHIUM AIR BATTERY INCLUDING THE SAME - A composite including: a carbonaceous material; and a solid solution including a first metal and a cerium oxide, wherein the solid solution is disposed on the carbonaceous material. | 08-01-2013 |
20140069456 | METHOD AND APPARATUS FOR REMOVING ORGANIC MATERIALS - A method for removing organic materials includes providing a target object having the organic materials adsorbed thereon, and an adsorbent, into a space including a non-liquid medium therein; and separating the organic materials from the target object by applying ultrasound waves to the target object having the organic materials adsorbed thereon and the adsorbent in the space, and disposing the organic materials to the adsorbent. | 03-13-2014 |
20140154609 | ELECTRODE CATALYST FOR FUEL CELL, METHOD OF PREPARING THE SAME, ELECTRODE FOR FUEL CELL INCLUDING THE ELECTRODE CATALYST, AND FUEL CELL INCLUDING THE ELECTRODE - An electrode catalyst for a fuel cell, wherein the electrode catalyst includes an active particle including: a core including an alloy represented by Formula 1 | 06-05-2014 |
20140162169 | ELECTRODE CATALYST FOR FUEL CELL, METHOD OF PREPARING THE SAME, AND MEMBRANE ELECTRODE ASSEMBLY AND FUEL CELL, EACH INCLUDING THE SAME - A fuel cell electrode catalyst including an active complex including a cerium (Ce)-nitrogen (N) bond and having an oxygen reduction activity of at least 1 milliampere per square centimeter at 0.5 volts versus a reversible hydrogen electrode. | 06-12-2014 |