Patent application number | Description | Published |
20090075157 | Carbon nanotube for fuel cell, nanocomposite comprising the same, method for making the same, and fuel cell using the same - Provided are aligned carbon nanotubes for a fuel cell having a large surface area, a nanocomposite that includes the aligned carbon nanotubes loaded with highly dispersed nanoparticles of a metallic catalyst, methods of producing the carbon nanotubes and the nanocomposite, and a fuel cell including the nanocomposite. In the nanocomposite, nanoparticles of the metallic catalyst are uniformly distributed on external walls of the nanotubes. A fuel cell including the nanocomposite exhibits better performance. | 03-19-2009 |
20090239115 | HETEROATOM-CONTAINING MESOPOROUS CARBON, METHOD OF PREPARING THE SAME, AND FUEL CELL USING THE HETEROATOM-CONTAINING MESOPOROUS CARBON - A heteroatom-containing mesoporous carbon has a pore diameter of 11 to 35 nm, has a specific surface area of 500 m | 09-24-2009 |
20090325796 | SUPPORTED CATALYST, ELECTRODE USING THE SUPPORTED CATALYST AND FUEL CELL INCLUDING THE ELECTRODE - Provided are a supported catalyst, an electrode including the same, and a fuel cell using the electrode. The supported catalyst includes a carbon-based catalyst support and metal catalyst particles having an average diameter of 3.5 to 5 nm and an amount of 80 to 90 parts by weight based on 100 parts by weight of the supported catalyst in a multi-layer structure adsorbed on a surface of the carbon-based catalyst support. In the supported catalyst of the present invention, as small metal catalyst particles with an average diameter of 3.5 to 5 nm are dispersed with high concentration, high dispersion, and the multi-layer structure, catalytic efficiency is increased. A fuel cell having improved energy density and fuel efficiency characteristics can be prepared using an electrode formed using the supported catalyst. | 12-31-2009 |
20100004121 | Short carbon nanotube for catalyst support, method of preparing the same, catalyst impregnated carbon nanotube using the same, and fuel cell using the catalyst impregnated carbon nanotube - The present invention is related to a short carbon nanotube for a catalyst support. In particular, the short carbon nanotube may be opened at both ends, a length of less than about 300 nm, and an aspect ratio in the range of about 1 to about 15. The short carbon nanotube has a broad surface area and better electric conductivity and is opened at both ends, thereby impregnating a metallic catalyst into the inner side of the carbon nanotube. Also, a catalyst impregnated carbon nanotube has a broad effective specific surface area, and thus, has an improved efficiency of catalyst utilization, can reduce an amount of the catalyst used and can efficiently diffuse a fuel. Accordingly, when catalyst impregnated carbon nanotube is used in a fuel cell, etc., improvements can be made in the pricing, power density of an electrode, and energy density of a fuel cell. | 01-07-2010 |
20100081034 | SUPPORTED CATALYST AND METHOD OF PREPARING THE SAME - A method of preparing a supported catalyst includes dissolving a cation exchange polymer in alcohol to prepare a solution containing cation exchange polymer; mixing the cation exchange polymer containing solution with a catalytic metal precursor or a solution containing catalytic metal precursor; heating the mixture after adjusting its pH to a predetermined range; adding a reducing agent to the resultant and stirring the solution to reduce the catalytic metal precursor; mixing the resultant with a catalyst support; adding a precipitating agent to the resultant to form precipitates; and filtering and drying the precipitates. The method of preparing a supported catalyst can provide a highly dispersed supported catalyst containing catalytic metal particles with a reduced average size regardless of the type of catalyst support, which provides better catalytic activity than conventional catalysts at the same loading amount of catalytic metal. | 04-01-2010 |
20100081036 | ALCOHOL OXIDATION CATALYST, METHOD OF MANUFACTURING THE SAME, AND FUEL CELL USING THE ALCOHOL OXIDATION CATALYST - An ethanol oxidation catalyst including a Pt/Ru alloy and tin(II) oxide or tin(IV) oxide, a method of manufacturing the same, an electrode for a fuel cell including the ethanol oxidation catalyst, and a fuel cell having excellent power generation efficiency using the electrode. | 04-01-2010 |
20100119944 | ANODE ACTIVE MATERIAL, ANODE COMPRISING THE ANODE ACTIVE MATERIAL, LITHIUM BATTERY COMPRISING THE ANODE, AND METHOD OF PREPARING THE ANODE ACTIVE MATERIAL - An anode active material including a porous transition metal oxide; an anode including the anode active material; a lithium battery including the anode; and a method of preparing the anode active material. | 05-13-2010 |
20100167106 | ORDERED MESOPOROUS CARBON COMPOSITE CATALYST, METHOD OF MANUFACTURING THE SAME, AND FUEL CELL USING THE SAME - An ordered mesoporous carbon (OMC) composite catalyst includes an OMC; and metal particles and at least one component selected from a group consisting of nitrogen and sulfur included in the OMC. The ordered mesoporous carbon composite catalyst may be formed by impregnating an ordered mesoporous silica with a mixture of at least one selected from the group consisting of a nitrogen-containing carbon precursor, and a sulfur-containing carbon precursor, a metal precursor, and a solvent; drying and heat-treating the impregnated OMS; carbonizing the dried and heat-treated OMS to obtain a carbon-OMS composite; and removing the OMS from the carbon-OMS composite. A fuel cell may contain the OMC composite catalyst. | 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 |
20100294369 | DYE-SENSITIZED PHOTOVOLTAIC CELL - A counter electrode for a photovoltaic cell and a photovoltaic cell including the same include a transparent substrate and a catalyst layer formed on the transparent substrate using a supported catalyst The counter electrode of the present invention has an economical preparation cost and process, and also has an enlarged contact area with an electrolyte layer of the cell, leading to improved catalytic activity. Thus, in the case where the counter electrode is applied to the photovoltaic cell, excellent photoconversion efficiency is exhibited. In an exemplary embodiment, the photovoltaic cell is a dye-sensitized photovoltaic cell including such a counter electrode. | 11-25-2010 |
20110039184 | CARBON NANOSPHERE WITH AT LEAST ONE OPENING, METHOD FOR PREPARING THE SAME, CARBON NANOSPHERE-IMPREGNATED CATALYST USING THE CARBON NANOSPHERE, AND FUEL CELL USING THE CATALYST - A carbon nanosphere has at least one opening. The carbon nanosphere is obtained by preparing a carbon nanosphere and treating it with an acid to form the opening. The carbon nanosphere with at least one opening has higher utilization of a surface area and electrical conductivity and lower mass transfer resistance than a conventional carbon nanotube, thus allowing for higher current density and cell voltage with a smaller amount of metal catalyst per unit area of a fuel cell electrode. | 02-17-2011 |
20110053039 | ELECTRODE CATALYST, AND MEMBRANE ELECTRODE ASSEMBLY AND FUEL CELL INCLUDING THE ELECTRODE CATALYST - An electrode catalyst for a fuel cell having comparable electrochemical activity as a platinum electrode catalyst but is much cheaper than the platinum electrode catalyst has a structure in which palladium and at least one metal catalyst selected from the group consisting of nickel, gold, iron, and silver, and combinations thereof, are supported on a tungsten carbide and carbon mesoporous composite support. A membrane electrode assembly and a fuel cell including the electrode catalyst also has comparable electrochemical activity as a platinum electrode catalyst but is also much cheaper than the platinum electrode catalyst. | 03-03-2011 |
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 |
20110281205 | MESOPOROUS CARBON COMPOSITE CONTAINING CARBON NANOTUBE - Provided are a CNT-mesoporous silica composite, a CNT-mesoporous carbon composite, a supported catalyst using the CNT-mesoporous carbon composite as a support, and a fuel cell using the supported catalyst as the anode, cathode, or both anode and cathode. The CNT-mesoporous carbon composite is prepared using the CNT-mesoporous silica composite. The CNT-mesoporous carbon composite has a high electrical conductivity due to the CNTs contained therein, and thus, when the CNT-mesoporous carbon composite is used in an electrode of a fuel cell, the fuel cell has a remarkably improved performance relative to the conventional catalyst support which does not contain CNTs. | 11-17-2011 |
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 |
20120028171 | ELECTRODE CATALYST AND METHOD OF PREPARING ELECTRODE CATALYST FOR FUEL CELL, AND MEMBRANE ELECTRODE ASSEMBLY AND FUEL CELL INCLUDING SAME - An electrode catalyst for a fuel cell, a membrane electrode assembly including the electrode catalyst, and a fuel cell including the electrode catalyst. The electrode catalyst has excellent electrochemical activity compared to the currently commercially available Pt/C catalyst and is much cheaper than a catalyst using platinum. The electrode catalyst includes tungsten carbide having a specific surface area of about 10 to about 30 m | 02-02-2012 |
20120156589 | ELECTRODE CATALYST FOR FUEL CELL, MANUFACTURING METHOD THEREOF, AND FUEL CELL USING THE SAME - An electrode catalyst for a fuel cell with excellent durability, a manufacturing method thereof, and a fuel cell using the same. The electrode catalyst for the fuel cell includes a carbon support, a metal catalyst material supported by the carbon support, and a benzimidazole-based or benzotriazole-based compound. | 06-21-2012 |
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 |
20120184430 | CO2 Reforming Catalyst Composition | 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 |
20120208103 | CARBON NANOSPHERE WITH AT LEAST ONE OPENING, METHOD FOR PREPARING THE SAME, CARBON NANOSPHERE-IMPREGNATED CATALYST USING THE CARBON NANOSPHERE, AND FUEL CELL USING THE CATALYST - A carbon nanosphere has at least one opening. The carbon nanosphere is obtained by preparing a carbon nanosphere and treating it with an acid to form the opening. The carbon nanosphere with at least one opening has higher utilization of a surface area and electrical conductivity and lower mass transfer resistance than a conventional carbon nanotube, thus allowing for higher current density and cell voltage with a smaller amount of metal catalyst per unit area of a fuel cell electrode. | 08-16-2012 |
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 |
20130236813 | INORGANIC ION CONDUCTOR, METHOD OF FORMING THE SAME, AND FUEL CELL INCLUDING THE INORGANIC ION CONDUCTOR - An inorganic ion conductor including a trivalent metallic element, a pentavalent metallic element, phosphorus, and oxygen. | 09-12-2013 |
20130281291 | MESOPOROUS CARBON COMPOSITE CONTAINING CARBON NANOTUBE - Provided are a CNT-mesoporous silica composite, a CNT-mesoporous carbon composite, a supported catalyst using the CNT-mesoporous carbon composite as a support, and a fuel cell using the supported catalyst as the anode, cathode, or both anode and cathode. The CNT-mesoporous carbon composite is prepared using the CNT-mesoporous silica composite. The CNT-mesoporous carbon composite has a high electrical conductivity due to the CNTs contained therein, and thus, when the CNT-mesoporous carbon composite is used in an electrode of a fuel cell, the fuel cell has a remarkably improved performance relative to the conventional catalyst support which does not contain CNTs. | 10-24-2013 |
20130337365 | COMPOSITE SUPPORT, METHOD OF PREPARING THE SAME, ELECTRODE CATALYST INCLUDING THE COMPOSITE SUPPORT, AND MEMBRANE-ELECTRODE ASSEMBLY AND FUEL CELL EACH INCLUDING THE ELECTRODE CATALYST - A composite support including: an ordered mesoporous carbon including mesopores having an average diameter of about 2 nanometers to about 8 nanometers; and silicon carbide dispersed in the ordered mesoporous carbon. | 12-19-2013 |
20140017591 | 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, the electrode catalyst including a catalyst particle including palladium, gallium, and cerium. | 01-16-2014 |
20140134519 | ELECTROLYTE MEMBRANE FOR FUEL CELL, ELECTRODE FOR FUEL CELL, AND FUEL CELL EMPLOYING THE SAME - An electrolyte membrane for a fuel cell includes: an inorganic ionic conductor including a trivalent metal element, a pentavalent metal element, phosphorous, and oxygen; and a polymer. | 05-15-2014 |
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 |
20140194581 | POLYMER, A METHOD OF PREPARING THE SAME, COMPOSITE PREPARED FROM THE POLYMER, AND ELECTRODE AND COMPOSITE MEMBRANE EACH INCLUDING THE POLYMER OR THE COMPOSITE - A polymer comprising a first repeating unit represented by Formula 1: | 07-10-2014 |
20140255781 | METHODS OF FORMING CARBON COATINGS - A method of forming a carbon coating includes heat treating lithium transition metal composite oxide Li | 09-11-2014 |
20150037708 | POLYMER, ELECTROLYTE MEMBRANE AND ELECTRODE FOR A FUEL CELL, EACH INCLUDING THE POLYMER, FUEL CELL INCLUDING AT LEAST ONE OF THE ELECTROLYTE MEMBRANE, AND THE ELECTRODE - A polymer including a reaction product of a sulfonated polyarylene ether sulfone and at least one compound selected from a sulfonated compound having a thiol group at a terminal thereof and a sulfonated compound having a hydroxy group at a terminal thereof. | 02-05-2015 |