| Entries |
| Document | Title | Date |
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| 20100190094 | PHOTOCATALYTIC ELECTRODE AND FUEL CELL - The invention provides an electrode comprising an electrically conductive material having a surface capable of producing surface enhanced Raman scattering of incident light from a complex adsorbed at the surface of the electrode, the complex including the electrically conductive material combined with a second material that is substantially reducible and not substantially oxidizable. The surface of the electrode can be microroughened. The invention also includes a method for making various embodiments of the electrode, and a method of generating electricity using the electrode. In accordance with a further aspect of the invention, a fuel cell is provided including the electrode of the invention. | 07-29-2010 |
| 20100196801 | ALKALINE FUEL CELL ELECTRODE CATALYST, ALKALINE FUEL CELL, MANUFACTURE METHOD FOR ALKALINE FUEL CELL ELECTRODE CATALYST, AND MANUFACTURE METHOD FOR ALKALINE FUEL CELL - An alkaline fuel cell electrode catalyst includes a first catalyst particle that contains at least one of iron (Fe), cobalt (Co) and nickel (Ni), a second catalyst particle that contains at least one of platinum (Pt) and ruthenium (Ru), and a carrier for supporting the first catalyst particle and the second catalyst particle. | 08-05-2010 |
| 20100196802 | Fuel Cell and Supported Catalyst Used Therefor - A fuel cell having an excellent life property is achieved. A supported catalyst for a fuel cell includes a catalytic particle made of an alloy of platinum and gold, and a conductive carrier supporting the catalytic particle. 50% or more of gold forms a solid solution with platinum. | 08-05-2010 |
| 20100203427 | FUEL CELL - A fuel cell includes a cathode, an anode, a proton-conductive film ( | 08-12-2010 |
| 20100203428 | Supported Catalyst for Fuel Cell and Fuel Cell - A supported catalyst for fuel cell includes a conductive carrier and platinum supported on the conductive carrier. A 90% particle diameter D | 08-12-2010 |
| 20100216055 | FUEL CELL - According to one embodiment, fuel cell includes an anode, into which an aqueous methanol solution is introduced as fuel, includes a current collector and a catalyst layer formed on the current collector, a cathode, into which an oxidizing agent is introduced, includes a current collector and a catalyst layer formed on the current collector, and an electrolyte membrane interposed between the catalyst layer of the anode and the catalyst layer of the cathode. The catalyst layer of at least one of the anode and the cathode contains carbon particles having pores on the surface thereof, catalyst microparticles which are supported by these carbon particles and are finer than the carbon particles, a perfluoroalkylsulfonic acid polymer and a high-molecular compound having a repeating unit of a high-molecular chain fixed to the surface of the carbon particles. | 08-26-2010 |
| 20100248086 | Method of Evaluating the Performance of Fuel Cell Cathode Catalysts, Corresponding Cathode Catalysts and Fuel Cell - A method for accurately evaluating the performance of fuel-cell electrode catalysts, a method of search for fuel-cell electrode catalysts having excellent performance, and fuel-cell electrode catalysts having new and excellent catalytic activity searched for by the above method. In a method for evaluating the performance of fuel-cell electrode catalysts composed of conductive carriers on which catalytic metal is supported, the oxygen atom adsorption energy on the catalytic metal surface obtained through a molecular simulation analysis is used as an indicator of the performance evaluation. Suitable catalysts consist of Pt—Au or Pt—Au—B, wherein B is one or more metal chosen from the group of chrome (Cr), manganese (Mn), iron (Fe), cobalt (Co), nickel (Ni), rhodium (Rh) and palladium (Pd) and wherein the content of Au is 6 atom % or less. | 09-30-2010 |
| 20100273093 | CATALYST PARTICLE SIZE CONTROL WITH ORGANIC PIGMENTS - A fuel cell catalyst is provided comprising nanostructured elements comprising microstructured support whiskers bearing a thin film of nanoscopic catalyst particles, where the thin film of nanoscopic catalyst particles is made by alternating application of first layers comprising catalyst material, such as platinum or a platinum alloy, and second layers comprising a vacuum sublimable organic molecular solid, such as an aromatic organic pigments such as perylene red or a pthalocyanine | 10-28-2010 |
| 20100279210 | CATALYST PROPERTY CONTROL WITH INTERMIXED INORGANICS - Nanostructured thin film catalysts which may be useful as fuel cell catalysts are provided, the catalyst materials including intermixed inorganic materials. In some embodiments the nanostructured thin film catalysts may include catalyst materials according to the formula Pt | 11-04-2010 |
| 20100316937 | ALLOY CATALYST FOR REDOX REACTION - An alloy catalyst for redox reaction which is capable of obtaining even superior catalytic activity comprises alloy particles of platinum and nickel, wherein the alloy particle is equipped at an outer surface with a crystal lattice plane represented by a Miller index {111}, and has an average particle diameter in a range of from 6 to 20 nm. The alloy particle preferably takes a shape selected from a regular octahedron, a truncated octahedron, a regular tetrahedron, and a truncated tetrahedron. | 12-16-2010 |
| 20110008715 | PLATINUM LOADED SUBSTRATE FOR A FUEL CELL AND METHOD FOR PRODUCING SAME - A method of depositing platinum onto a support is disclosed. This method is based on a combination of two processes: electrochemical and electroless deposition, using a chemical bath containing a platinum source and agents that trigger nucleation and buffer the solution. This method is capable of producing a catalyst having a gravimetric current density of at least approximately 0.8 mA/cm2 per ?g of platinum per cm2 at cell voltage of 0.9V/RHE for oxygen reduction reaction. | 01-13-2011 |
| 20110020735 | Fuel Cell Catalysts with Enhanced Catalytic Surface Area and Method of Making the Same - According to at least one aspect of the present invention, there is provided a fuel cell catalyst formed from a metallic alloy of one or more catalyst metals and one or more leachable metals through potential cycling to remove at least a portion of the leachable metals such that an effective catalytic surface area of the fuel cell catalyst per a given amount of the catalyst metals is enhanced after removal of the at least a portion of the one or more leachable metals. | 01-27-2011 |
| 20110027696 | METHOD FOR CONTROLLING IONOMER AND PLATINUM DISTRIBUTION IN A FUEL CELL ELECTRODE - One embodiment of the invention includes a method including applying a first ink comprising carbon over a substrate and drying the first ink to form a first electrode layer, applying a second ink including a second catalyst over the first electrode layer and drying the second ink to form a second electrode layer, and applying a third ink comprising an ionomer solution over the second electrode layer and drying the third ink to form an ionomer overcoat. | 02-03-2011 |
| 20110033784 | ELECTRODE WITH A COATING, METHOD IN PRODUCTION THEREOF AND USE OF A MATERIAL - An element being an electrode ( | 02-10-2011 |
| 20110053050 | METHOD OF FUNCTIONALIZING A CARBON MATERIAL - The present invention relates to a method of functionalizing a carbon material. A carbon material is contacted with a carboxylic acid, whereby a mixture is formed. The mixture is heated for a suitable period of time at a temperature below the thermal decomposition temperature of the carbon material. | 03-03-2011 |
| 20110053051 | ELECTRODE CATALYST COMPOSITION FOR FUEL CELL AND METHOD OF MANUFACTURING THE SAME - The present invention provides an electrode binder for a polymer electrolyte membrane fuel cell which includes a hydrocarbon-based polymer and a water-soluble polymer acting as a porogen, a porous hydrocarbon-based electrode catalyst layer including the electrode binder, and a method of manufacturing the same. Because of the use of the porogen, the pore size and porosity of the hydrocarbon-based binder catalyst layer are optimized, and bondability of a hydrocarbon-based membrane electrode assembly is enhanced. The present invention also features a fuel cell manufactured using the porogen. | 03-03-2011 |
| 20110065025 | PROCESS OF PREPARING PT/SUPPORT OR PT ALLOY/SUPPORT CATALYST, THUS-PREPARED CATALYST AND FUEL CELL COMPRISING THE SAME - Disclosed is a method for preparing a platinum/support catalyst or a platinum alloy/support catalyst, including: a) preparing a dispersion solution including urea, a support and a water-soluble salt of at least one metal(s) having catalytic activity; (b) reacting the dispersion solution at high temperature so as to deposit the metal hydroxide particles derived from the at least one metal(s) on the support; and (c) reducing the metal hydroxide particles. The size and distribution of the platinum particles or platinum alloy particles are greatly improved by the use of urea. | 03-17-2011 |
| 20110086294 | ELECTRODES INCLUDING AN EMBEDDED COMPRESSIBLE OR SHAPE CHANGING COMPONENT - One exemplary embodiment includes an electrode including an embedded compressible or shape changing component. | 04-14-2011 |
| 20110086295 | CORE / SHELL-TYPE CATALYST PARTICLES AND METHODS FOR THEIR PREPARATION - The invention discloses core/shell type catalyst particles comprising a M | 04-14-2011 |
| 20110104588 | METHOD OF PREPARING NANO-SIZED CATALYST ON CARBON SUPPORT - The present invention provides a method of synthesizing a nano-sized transition metal catalyst on a carbon support, including dissolving a stabilizer in ethanol thus preparing a mixture solution, adding a support to the mixture solution thus preparing a dispersion solution, dissolving a transition metal precursor in ethanol thus preparing a precursor solution, mixing the precursor solution with the dispersion solution with stirring, and then performing reduction, thus preparing the nano-sized transition metal catalyst. This method enables the synthesis of transition metal nanoparticles supported on carbon powder having a narrow particle size distribution and a wide degree of dispersion through a simple process, and is thus usefully applied to the formation of an electrode material or the like of a fuel cell. | 05-05-2011 |
| 20110117476 | Direct-Methanol Fuel Cell - According to one embodiment, a direct-methanol fuel cell includes an anode which includes a current collector and a first catalytic layer formed on the current collector and into which an aqueous methanol solution is introduced, a cathode which includes a current collector and a second catalytic layer formed on the current collector and into which an oxidizer is introduced and an electrolyte membrane interposed between the anode and the cathode. The second catalytic layer includes a catalyst, a perfluoroalkylsulfonic acid polymer, and a ternary metal-containing copolymer. The ternary metal-containing copolymer includes a first vinyl monomer containing an organic metal complex of Pt, a second vinyl monomer containing an organic metal complex of M1, where M1 is a metal selected from Sn, Zn, Ni, Fe, Co, Al and Cu and a third vinyl monomer containing an organic metal complex in which M2 is ionically bonded, where M2 is Eu or La. | 05-19-2011 |
| 20110129762 | METHOD OF INCREASING HYDROPHILIC PROPERTY OF CRYSTALLINE CARBON USING SURFACE MODIFIER AND METHOD OF PREPARING PLATINUM CATALYST USING THE SAME - The present invention features a method for increasing hydrophilic properties of crystalline carbon using a surface modifier and a method for preparing a Pt/C catalyst using the same. In certain preferred embodiments, the present invention features a method for increasing hydrophilic properties of crystalline carbon having water repellency by forming π-π interaction between the surface of the crystalline carbon and a surface modifier and a method for preparing a catalyst by supporting platinum (Pt) on the crystalline carbon having increased hydrophilic property. The Pt/C catalyst prepared by the methods of the present invention is useful for the preparation of electrode materials for fuel cells. | 06-02-2011 |
| 20110136046 | FUEL CELL CATALYST SUPPORT WITH FLUORIDE-DOPED METAL OXIDES/PHOSPHATES AND METHOD OF MANUFACTURING SAME - A fuel cell catalyst support includes a fluoride-doped metal oxide/phosphate support structure and a catalyst layer, supported on such fluoride-doped support structure. In one example, the support structure is a sub-stechiometric titanium oxide and/or indium-tin oxide (ITO) partially coated or mixed with a fluoride-doped metal oxide or metal phosphate. In another example, the support structure is fluoride-doped and mixed with at least one of low surface carbon, boron-doped diamond, carbides, borides, and silicides. | 06-09-2011 |
| 20110136047 | FUEL CELL CATALYST SUPPORT WITH BORON CARBIDE-COATED METAL OXIDES/PHOSPHATES AND METHOD OF MANUFACTURING SAME - A fuel cell catalyst support includes a support structure having a metal oxide and/or a metal phosphate coated with a layer of boron carbide. Example metal oxides include titanium oxide, zirconium oxide, tungsten oxide, tantalum oxide, niobium oxide and oxides of yttrium, molybdenum, indium, and tin and their phosphates. A boron carbide layer is arranged on the support structure by a chemical or mechanical process, for example. Finally, a catalyst layer is deposited on the boron carbide layer. | 06-09-2011 |
| 20110177432 | POROUS METAL CATALYSTS FOR OXYGEN REDUCTION - A porous metal that comprises platinum and has a specific surface area that is greater than 5 m | 07-21-2011 |
| 20110200915 | PLATINUM-CONTAINING CATALYST AND METHOD OF PRODUCING THE SAME, ELECTRODE AND ELECTROCHEMICAL DEVICE - In one example embodiment, a core-shell type platinum-containing catalyst is allowed to reduce the amount of used platinum and has high catalytic activity and stability. In one example embodiment, the core-shell type platinum-containing catalyst includes a core particle (with an average particle diameter R | 08-18-2011 |
| 20110212386 | CATALYTIC MATERIALS FOR FUEL CELL ELECTRODED AND METHOD FOR THEIR PRODUCTION - Layered catalyst structures for fuel cells, particularly for a Proton Exchange Membrane Fuel Cell (PEMFC), are produced by a reactive spray deposition technology process. The catalyst layers so produced contain particles sized between 1 and 15 nm and clusters of such particles of a catalyst selected from the group consisting of platinum, platinum alloys with transition metals, mixtures thereof and non-noble metals. The catalyst layers without an electrically conducting supporting medium exhibit dendritic microstructure, providing high electrochemically active surface area and electron conductivity at ultra-low catalyst loading. The catalyst layers deposited on an electrically conducting medium, such as carbon, exhibit three-dimensional functional grading, which provides efficient utilization as a catalyst, high PEMFC performance at the low catalyst loading, and minimized limitations caused by reactant diffusion and activation. The catalytic layers may be produced by a single-run deposition method. | 09-01-2011 |
| 20110217626 | PHOTOCATALYTIC ELECTRODE AND FUEL CELL - The invention provides an electrode comprising an electrically conductive material having a surface capable of producing surface enhanced Raman scattering of incident light from a complex adsorbed at the surface of the electrode, the complex including the electrically conductive material combined with a second material that is substantially reducible and not substantially oxidizable. The surface of the electrode can be microroughened. The invention also includes a method for making various embodiments of the electrode, and a method of generating electricity using the electrode. In accordance with a further aspect of the invention, a fuel cell is provided including the electrode of the invention. | 09-08-2011 |
| 20110244371 | MICROPOROUS THIN FILM COMPRISING NANOPARTICLES, METHOD OF FORMING THE SAME, AND FUEL CELL COMPRISING THE SAME - A microporous thin film, a method of forming the same and a fuel cell including the microporous thin film, are provided. The microporous thin film includes uniform nanoparticles and has a porosity of at least about 20%. Therefore, the microporous thin film can be efficiently used in various applications such as fuel cells, primary and secondary batteries, adsorbents, and hydrogen storage alloys. The microporous thin film is formed on a substrate, includes metal nanoparticles, and has a microporous structure with porosity of 20% or more. | 10-06-2011 |
| 20110262843 | ELECTROCATALYSTS AND PROCESSES FOR PRODUCING - Noble metal catalysts and methods for producing the catalysts are provided. The catalysts are useful in applications such as fuel cells. The catalysts exhibit reduced agglomeration of catalyst particles as compared to conventional noble metal catalysts. | 10-27-2011 |
| 20110275010 | CATALYTIC MATERIAL - A catalytic material includes a plurality of nanoparticles that each comprise a gold substrate and a catalyst on the gold substrate. The gold substrate includes surface facets of which a predominant amount are Au(100)-oriented crystal planes. | 11-10-2011 |
| 20110275011 | Electrochemical Catalysts for Fuel Cells - The present invention relates to electrochemical catalyst particles, including nanoparticles, which can be used membrane electrode assemblies and in fuel cells. In exemplary embodiments, the present invention provides electrochemical catalysts supported by various materials. Suitably the catalysts have an atomic ratio of oxygen to a metal in the nanoparticle of about 3 to about 6. | 11-10-2011 |
| 20110305975 | CATALYTIC PARTICULATE SOLUTION FOR A MICRO FUEL CELL AND RELATED METHOD - A catalytic particulate solution is provided for a micro fuel cell. The solution includes a suspension of catalytic nanoparticles in a solvent and a polymerizable oligomer. Also presented is a method for depositing such a catalytic particulate solution that includes a step of depositing the particulate solution onto a substrate, during which the oligomer polymerization is primed, for example, using UV lighting. | 12-15-2011 |
| 20110311903 | GAS DIFFUSION ELECTRODE AND PROCESS FOR PRODUCTION THEREOF - The present invention relates to a gas diffusion electrode that includes an electrically conductive carrier, and a porous coating based on an electrochemically active catalyst and a hydrophobic material, wherein the electrode has a first side facing an oxygen-containing gas and a second side facing an alkaline electrolyte, wherein the catalyst comprises a noble metal as a catalytically active component, wherein the hydrophobic material comprises a hydrophobic polymer, and wherein the coating comprising the catalyst has a pore volume from 10 to 500 mm | 12-22-2011 |
| 20120003569 | METHOD OF FORMING A TERNARY ALLOY CATALYST FOR FUEL CELL - A method of forming a supported catalyst for a fuel cell includes depositing platinum onto a carbon support material, depositing a first alloy metal onto the carbon support material following the deposition of the platinum, and depositing a second alloy metal onto the carbon support material following the deposition of the first alloy metal. The first alloy metal is selected from iridium, rhodium, palladium, and combinations thereof, and the second alloy metal includes a first or second row transition metal. | 01-05-2012 |
| 20120021337 | FUEL CELL CATALYST WITH METAL OXIDE/PHOSPHATE SUPPORT STRUCTURE AND METHOD OF MANUFACTURING SAME - A fuel cell supported catalyst includes an underlying support structure having at least one of a metal oxide and a metal phosphate. Catalyst particles are arranged onto and in engagement with the support structure. An intermediate conductive, corrosion-resistant layer, such as boron-doped-diamond, is arranged onto and in engagement with the support structure to surround the catalyst particles. The supported catalyst is produced by depositing the intermediate layer onto the support structure after the catalyst particles have been deposited on the underlying support structure, in one example. In another example, voids are provided in the intermediate layer, which has been deposited onto the underlying support structure, to subsequently receive the catalyst particles. | 01-26-2012 |
| 20120028169 | CATALYST FOR FUEL CELL AND METHOD FOR PREPARING THE SAME - The present invention provides a support for an electrode of a polymer electrolyte membrane fuel cell, a fuel cell, and a platinum-supported catalyst, and an electrode using the same. In particular, the present invention provides a method in which linear crystalline carbon nanofibers and nonlinear crystalline carbon particles with increased surface area and improved crystallinity are used to enhance the active site of catalyst particles and ensure the durability of the catalyst by the crystalline carbon materials. The linear crystalline carbon nanofibers are grown to have a predetermined fiber diameter by heat treatment at a high temperature in a gas phase of hydrocarbon in an inert gas atmosphere using an oxide such as Ni, Fe, Mn, etc. as a catalyst. The crystallinity of the linear crystalline carbon nanofibers is also improved by the heat treatment. As the nonlinear crystalline carbon particles, commercially available acetylene black that has been heat-treated at a high temperature under steam to expand the surface area and improve the crystallinity, can be used to thereby provide high surface area and ensure excellent oxidation resistance. | 02-02-2012 |
| 20120028170 | ELECTROCATALYST OF CARBON NANOTUBES ENCAPSULATING PLATINUM GROUP METAL NANOPARTICLES FOR FUEL CELLS - A fuel cell electrode and a method for forming the fuel cell electrode are disclosed. Initially, carbon nanotubes grafted with poly(citric acid) encapsulating platinum group metal nanoparticles are synthesized. The carbon nanotubes grafted with poly(citric acid) encapsulating platinum group metal nanoparticles are then electrospray deposited on an electrode of a fuel cell. | 02-02-2012 |
| 20120034550 | Palladium-Platinum Nanostructures And Methods For Their Preparation - Palladium-seeded, dendritic platinum nanostructures that are useful as electrocatalysts and methods for preparing such nanostructures. The palladium-platinum nanostructures may be incorporated into fuel cell electrodes including fuel cells that include a proton exchange membrane (PEM). | 02-09-2012 |
| 20120058417 | CARBIDE STABILIZED CATALYST STRUCTURES AND METHOD OF MAKING - A catalyst structure for an electrochemical cell includes a catalyst support structure, catalyst particles and an outer carbide film The catalyst particles are deposited on the catalyst support structure. The outer carbide film is formed on the catalyst support structure. The outer carbide film surrounds the catalyst particles. | 03-08-2012 |
| 20120064437 | PLATINUM-CONTAINING CATALYST AND FUEL CELL USING THE SAME - A platinum-containing catalyst that is able to optimize state density of platinum 5d vacant orbital and is able to improve catalyst activity and a fuel cell using the same are provided. In the platinum-containing catalyst, when ratio of a peak intensity of a PtLIII absorption edge of a normalized X-ray absorption spectrum of the platinum-containing catalyst with respect to a peak intensity of a PtLIII absorption edge of a normalized X-ray absorption spectrum of a platinum simple substance metal foil having a thickness of 10 μm is Y, the number of holes of a platinum 5d vacant orbital in the platinum simple substance metal foil is 0.3, the number of holes of a platinum 5d vacant orbital in the platinum-containing catalyst is N, and molar ratio of total of metal elements other than platinum to the platinum in the platinum-containing catalyst is X, Y=0.144X+1.060 is established in the range of 0.1≦X≦1, and N=0.030X+0.333 is established in the range of 0.1≦X≦1. | 03-15-2012 |
| 20120107728 | NON-AQUEOUS ELECTROLYTE AND LITHIUM AIR BATTERY INCLUDING THE SAME - A non-aqueous electrolyte and a lithium air battery including the same. The non-aqueous electrolyte may include an oxygen anion capturing compound to effectively dissociate the reduction reaction product of oxygen formed during discharging of the lithium air battery, reduce the overvoltage of the oxygen evolution reaction occurring during battery charging, and enhance the energy efficiency and capacity of the battery. | 05-03-2012 |
| 20120122019 | Conducting Metal Oxide and Metal Nitride Nanoparticles - Conducting metal oxide and nitride nanoparticles that can be used in fuel cell applications. The metal oxide nanoparticles are comprised of for example, titanium, niobium, tantalum, tungsten and combinations thereof. The metal nitride nanoparticles are comprised of, for example, titanium, niobium, tantalum, tungsten, zirconium, and combinations thereof. The nanoparticles can be sintered to provide conducting porous agglomerates of the nanoparticles which can be used as a catalyst support in fuel cell applications. Further, platinum nanoparticles, for example, can be deposited on the agglomerates to provide a material that can be used as both an anode and a cathode catalyst support in a fuel cell. | 05-17-2012 |
| 20120141919 | FUEL CELL ELECTRODE AND METHOD FOR MANUFACTURING MEMBRANE-ELECTRODE ASSEMBLY USING THE SAME - The present invention provides a fuel cell electrode, which has increased physical and chemical durability, and a method for manufacturing a membrane-electrode assembly (MEA) using the same. According to the present invention, the fuel cell electrode is manufactured by controlling the amount of platinum supported on a first carbon support used in an anode to be smaller than that used in a cathode to increase the mechanical strength of a catalyst layer and maintain the thickness of the catalyst layer after prolonged operation and by adding carbon nanofibers containing a radical scavenger to a catalyst slurry to decrease deterioration of chemical durability. | 06-07-2012 |
| 20120178018 | CATALYST WITH METAL OXIDE DOPING FOR FUEL CELLS - The invention relates to a catalyst for fuel cells which comprises a support, at least one catalytically active metal from the platinum group or an alloy comprising at least one metal of the platinum group and also at least one oxide of at least one metal selected from among Ti, Sn, Si, W, Mo, Zn, Ta, Nb, V, Cr and Zr. The invention further relates to a process for producing such a catalyst and its use. | 07-12-2012 |
| 20120208105 | FUEL CELL ELECTROCATALYTIC PARTICLE AND METHOD FOR PRODUCING THE SAME - Disclosed is a catalyst particle having high catalyst activity and a method for producing the catalyst particle. | 08-16-2012 |
| 20120237854 | Method to Enhance the Durability of Conductive Carbon Coating of PEM Fuel Cell Bipolar Plates - A fuel cell component includes an electrode support material made with nanofiber materials of Titania and ionomer. A bipolar plate stainless steel substrate and a carbon-containing layer doped with a metal selected from the group consisting of platinum, iridium, ruthenium, gold, palladium, and combinations thereof. | 09-20-2012 |
| 20120251923 | MATERIAL FOR SOLID OXIDE FUEL CELL, CATHODE INCLUDING THE MATERIAL, AND SOLID OXIDE FUEL CELL INCLUDING THE SAME - A material for a solid oxide fuel cell including a compound of Chemical Formula 1: | 10-04-2012 |
| 20120251924 | ELECTROCHEMICAL REACTOR AND ACTIVE LAYER INTEGRATED INTO SAID REACTOR - The invention concerns an active layer for an electrochemical reactor comprising:—a carbon electronic conductor which is not a fullerene as a support; and —a catalytic system made up of one or more metals and a fullerene. It also concerns an electrochemical reactor integrating such an active layer. | 10-04-2012 |
| 20120308916 | PLATINUM NANOPARTICLES HAVING HOLLOW SKELETAL STRUCTURES AND METHODS OF MAKING - A nanoparticle includes a noble metal skeletal structure. The noble metal skeletal structure is formed as an atomically thin layer of noble metal atoms that has a hollow center. | 12-06-2012 |
| 20120321996 | CATALYST CARRYING FINE METAL PARTICLES AND USE THEREOF - The production method according to the present invention includes a process for producing fine particles formed of a non-precious metal; a process for forming a shell of a precious metal on the respective surfaces of the fine particles of the non-precious metal; and a process for collecting a catalyst from a fluid reaction mixture. A fine metal particle-carrying catalyst prepared by such a production method includes fine non-precious metal particles as the cores thereby reducing the usage of a precious metal to achieve suppression of a cost increase. Since it includes a shell portion formed of a precious metal, it exhibits excellent catalytic activity. | 12-20-2012 |
| 20130004885 | FUEL CELL ELECTRODES - A process includes patterning a surface of a platinum group metal-based electrode by contacting the electrode with an adsorbate to form a patterned platinum group metal-based electrode including platinum group metal sites blocked with adsorbate molecules and platinum group metal sites which are not blocked. | 01-03-2013 |
| 20130004886 | FUEL CELL ELECTRODES - A process includes patterning a surface of a platinum group metal-based electrode by contacting the electrode with an adsorbate to form a patterned platinum group metal-based electrode including platinum group metal sites blocked with adsorbate molecules and platinum group metal sites which are not blocked. | 01-03-2013 |
| 20130017473 | METHOD FOR MANUFACTURING A MIXED CATALYST CONTAINING A METAL OXIDE NANOWIRE, AND ELECTRODE AND FUEL CELL INCLUDING A MIXED CATALYST MANUFACTURED BY THE METHODAANM Kim; Won BaeAACI Buk-guAACO KRAAGP Kim; Won Bae Buk-gu KRAANM Kim; Yong-SeokAACI Buk-guAACO KRAAGP Kim; Yong-Seok Buk-gu KR - Provided is a method for manufacturing a mixed catalyst containing a metal oxide nanowire, and an electrode and a fuel cell which include a mixed catalyst manufactured by the method. The method includes: forming a metal/polymer nanowire by electrospinning a polymer solution containing a first metal precursor and a second metal precursor; forming a metal oxide nanowire by heat-treating the metal/polymer mixture nanowire; and mixing the metal oxide nanowire with active metal nanoparticles. Here, the metal of the second metal precursor is used as a dopant for the metal oxide nanowire. In the event an electrode catalyst layer of a fuel cell is formed using the manufactured mixed catalyst, the fuel cell has the advantages of significantly improved performance and reduced costs in generating electricity. | 01-17-2013 |
| 20130022899 | CORE-SHELL TYPE METAL NANOPARTICLES AND METHOD FOR PRODUCING THE SAME - Core-shell type metal nanoparticles including a core portion and a shell portion covering the core portion, wherein the core portion includes a core metal material selected from metals and alloys, and wherein the shell portion includes an alloy of a first shell metal material and a second shell metal material. | 01-24-2013 |
| 20130029252 | FUEL CELL AND ELECTROCATALYST - An embodiment of the invention provides an electrocatalyst, including a four-element catalyst having a formula of XYZP, wherein X is Pt or Pd, Y and Z are different elements selected from Group 6, Group 8, Group 9, or Group 11 elements, and P is phosphorous, wherein Group 6 elements include Cr, Mo, or W, Group 8 elements include Fe, Ru, or Os, Group 9 elements include Co, Rh, or Ir, and Group 11 elements include Cu, Ag, or Au. | 01-31-2013 |
| 20130034803 | Electrochemical Synthesis of Elongated Noble Metal Nanoparticles, such as Nanowires and Nanorods, on High-Surface Area Carbon Supports - Elongated noble-metal nanoparticles and methods for their manufacture are disclosed. The method involves the formation of a plurality of elongated noble-metal nanoparticles by electrochemical deposition of the noble metal on a high surface area carbon support, such as carbon nanoparticles. Prior to electrochemical deposition, the carbon support may be functionalized by oxidation, thus making the manufacturing process simple and cost-effective. The generated elongated nanoparticles are covalently bound to the carbon support and can be used directly in electrocatalysis. The process provides elongated noble-metal nanoparticles with high catalytic activities and improved durability in combination with high catalyst utilization since the nanoparticles are deposited and covalently bound to the carbon support in their final position and will not change in forming an electrode assembly. | 02-07-2013 |
| 20130040227 | PLATINUM NICKEL CATALYST ALLOY - A Pt—Ni catalyst is provided which demonstrates an unusually high oxygen reduction mass activity. In some embodiments, the Pt—Ni catalyst is a Pt—Ni binary alloy. In some embodiments, the catalyst may be characterized as having a Pt fcc lattice parameter of less than 3.71 Angstroms or 0.371 nm. In some embodiments the catalyst has a Pt fcc lattice parameter of between 3.69 Angstroms (or 0.369 nm) and 3.73 Angstroms (or 0.373 nm). In some embodiments, the catalyst may be characterized as having a composition of close to Pt | 02-14-2013 |
| 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 |
| 20130089812 | HIGHLY STABLE PLATINUM ALLOY CATALYST FOR METHANOL ELECTROOXIDATION - A catalyst for use in at the anode of direct methanol fuel cells is made from nanoparticles having a core-shell structure. The core is an alloy of platinum and gold. The core is surrounded by a first shell of ruthenium and a second shell containing a ternary alloy of platinum, gold, and ruthenium. The catalyst can be made by a reverse-micelle method or by a single-phase scalable method. The catalyst is highly stable under conditions of use and resists dissolution of ruthenium or platinum. | 04-11-2013 |
| 20130122402 | ELECTRODE FOR FUEL CELL, METHOD OF PREPARING THE ELECTRODE, CATALYST SLURRY, AND FUEL CELL INCLUDING THE ELECTRODE - An electrode for a fuel cell, a method of preparing the electrode, a catalyst slurry, and a fuel cell including the electrode. The electrode includes an electrode support and a catalyst layer formed on the electrode support, wherein the catalyst layer includes a catalyst material and a water-based binder, wherein the water-based binder is at least one selected from the group consisting of cellulose derivatives and composites of organic polymer materials and inorganic oxides. | 05-16-2013 |
| 20130143148 | Fuel Cell with an Improved Electrode - An improved platinum and method for manufacturing the improved platinum wherein the platinum having a fractal surface coating of platinum, platinum gray, with a increase in surface area of at least 5 times when compared to shiny platinum of the same geometry and also having improved resistance to physical stress when compared to platinum black having the same surface area. The process of electroplating the surface coating of platinum gray comprising plating at a moderate rate, for example at a rate that is faster than the rate necessary to produce shiny platinum and that is less than the rate necessary to produce platinum black. Platinum gray is applied to manufacture a fuel cell and a catalyst. | 06-06-2013 |
| 20130164655 | STABLE, DURABLE CARBON SUPPORTED CATALYST COMPOSITION FOR FUEL CELL - A carbon supported catalyst composition for solid polymer electrolyte fuel cells is disclosed that shows a high mass activity and favorable stability and durability. The catalyst composition comprises an intermetallic phase or alloy comprising Pt and a metal selected from the group consisting of Nb, Ta, V and Mo, and comprises an oxide of the metal. The carbon supported catalyst composition can be prepared at relatively low temperature either by first depositing and heating an oxide precursor of the metal on a suitable carbon to make a hybrid support, and then depositing and heating a Pt precursor on the hybrid support, or by depositing both an oxide precursor of the metal and a Pt precursor on a suitable carbon support, and directly heating to a final temperature. | 06-27-2013 |
| 20130177838 | HOLLOW NANOPARTICLES AS ACTIVE AND DURABLE CATALYSTS AND METHODS FOR MANUFACTURING THE SAME - Hollow metal nanoparticles and methods for their manufacture are disclosed. In one embodiment the metal nanoparticles have a continuous and nonporous shell with a hollow core which induces surface smoothening and lattice contraction of the shell. In a particular embodiment, the hollow nanoparticles have an external diameter of less than 20 nm, a wall thickness of between 1 nm and 3 nm or, alternatively, a wall thickness of between 4 and 12 atomic layers. In another embodiment, the hollow nanoparticles are fabricated by a process in which a sacrificial core is coated with an ultrathin shell layer that encapsulates the entire core. Removal of the core produces contraction of the shell about the hollow interior. In a particular embodiment the shell is formed by galvanic displacement of core surface atoms while remaining core removal is accomplished by dissolution in acid solution or in an electrolyte during potential cycling between upper and lower applied potentials. | 07-11-2013 |
| 20130189607 | CATALYST PARTICLES, CARBON-SUPPORTED CATALYST PARTICLES AND FUEL CELL CATALYSTS, AND METHODS OF MANUFACTURING SUCH CATALYST PARTICLES AND CARBON-SUPPORTED CATALYST PARTICLES - A catalyst particle is composed of an inner particle and an outermost layer that includes platinum and covers the inner particle. The inner particle includes on at least a surface thereof a first oxide having an oxygen defect. | 07-25-2013 |
| 20130216940 | SUPPORTED CATALYST FOR FUEL CELL, METHOD OF MANUFACTURING THEREOF, AND FUEL CELL - An object of the present invention is to provide a supported catalyst for a fuel cell having a high activity, a method of manufacturing thereof, and a fuel cell including the supported catalyst for a fuel cell. A supported catalyst for a fuel cell of the present invention includes a conductive carrier and catalyst particle supported on the conductive carrier and contains platinum. The ratio of the mass of oxygen to the mass of the catalyst particle measured by using an inert gas fusion-nondispersive infrared absorption method is 4 mass % or less. | 08-22-2013 |
| 20130236815 | Multimetallic nanoparticle catalysts with enhanced electrooxidation - A new structure-control strategy to optimize nanoparticle catalysis is provided. The presence of Au in FePtAu facilitates FePt structure transformation from chemically disordered face centered cubic (fcc) structure to chemically ordered face centered tetragonal (fct) structure, and further promotes formic acid oxidation reaction (FAOR). The fct-FePtAu nanoparticles show high CO poisoning resistance, achieve mass activity as high as about 2810 mA/mg Pt, and retain greater than 90% activity after a 13 hour stability test. | 09-12-2013 |
| 20130244137 | Catalyst for polymer electrolyte fuel cell and method for producing the same - The present invention provides a catalyst for a polymer electrolyte fuel cell including catalyst particles made of platinum supported on a carbon powder carrier, wherein the carbon powder carrier includes 0.7 to 3.0 mmol/g (based on the weight of the carrier) of a hydrophilic group bonded thereto; and the platinum particles have an average particle size of 3.5 to 8.0 nm and the platinum specific surface area based on CO adsorption (COMSA) of 40 to 100 m | 09-19-2013 |
| 20130252138 | PT/GRAPHENE CATALYST, PREPARATION METHOD AND USE THEREOF - A Pt/graphene catalyst comprises graphene as carrier, and Pt loaded on the graphene. The use of graphene as carrier for the catalyst takes advantage of the ion effect and two-dimensional ductility of graphene, which increases the stability of the catalyst. The catalyst is prepared by a reverse micelles system method which provides a micro-environment (i.e. water-in-oil microemulsion), so that the particle size of the resulting nano-particles can be regulated easily and is more uniformly distributed. The use of the catalyst in electrochemostry is also disclosed. | 09-26-2013 |
| 20130323624 | ELECTROCATALYST FOR A FUEL CELL AND THE METHOD OF PREPARING THEREOF - The invention relates to an electrocatalyst for a fuel cell comprising carbon nanotubes as substrate, ruthenium oxide deposited on the substrate, platinum particles supported on the ruthenium oxide, and manganese dioxide layer coated on the surface of the ruthenium oxide-platinum particles deposited carbon nanotubes. The invention also relates to the method of preparing the electrocatalyst for a fuel cell comprising the steps of depositing ruthenium oxide on the surface of carbon nanotubes, depositing platinum particles on the ruthenium oxide, and coating a manganese dioxide layer on the surface of the ruthenium oxide-platinum particles deposited carbon nanotubes. | 12-05-2013 |
| 20130330657 | UNITIZED ELECTRODE ASSEMBLY WITH HIGH EQUIVALENT WEIGHT IONOMER - A catalyst layer for use in a fuel cell includes catalytic nanoparticles and a perfluorosulfonic acid (PFSA) ionomer. The catalytic nanoparticles have a palladium or palladium alloy core and an atomically thin layer of platinum on an outer surface of the palladium or palladium alloy core. The PFSA ionomer has an equivalent weight equal to or greater than about 830. A unitized electrode assembly is also described. | 12-12-2013 |
| 20130344421 | HOLLOW PLATINUM NANOPARTICLES FOR FUEL CELLS - The present invention relates to hollow platinum nanoparticles with a diameter comprised between 3 and 20 nm which comprise a first central cavity and optionally at least one second cavity at the periphery of the first cavity, the shell of which is dense and single-crystal with a thickness comprised between 0.2 and 5 nm. The invention also relates to a method for manufacturing such nanoparticles, as well as to their use as an electrocatalyst in fuel cells. | 12-26-2013 |
| 20140023958 | METHOD FOR MANUFACTURING ELECTRODE FOR FUEL CELL COMPRISING NANOCARBON AND CORE-SHELL-STRUCTURED PLATINUM-CARBON COMPOSITE AND THE ELECTRODE FOR FUEL CELL MANUFACTURED BY THE SAME - The present subject matter provides a method of manufacturing an electrode for a fuel cell, in which nanocarbons are grown on the surface of a substrate for a fuel cell using a process of simultaneously gasifying a platinum precursor and a carbon precursor, and simultaneously core-shell-structured platinum-carbon composite catalyst particles are highly dispersed between nanocarbons The subject matter also provides an electrode for a fuel cell, manufactured by the method. This method is advantageous in that an electrode for a fuel cell having remarkably improved electrochemical performance and durability can be manufactured by a simple process. | 01-23-2014 |
| 20140080037 | ELECTRODE FOR FUEL CELL AND FUEL CELL INCLUDING THE SAME - An electrode for a fuel cell including a gas diffusion layer, and a catalyst layer bound to at least one surface of the gas diffusion layer and including a catalyst and a binder; and a fuel cell including the electrode. | 03-20-2014 |
| 20140080038 | PHOTOCATALYTIC METHODS FOR PREPARATION OF ELECTROCATALYST MATERIALS - The invention relates to methods of preparing metal particles on a support material, including platinum-containing nanoparticles on a carbon support. Such materials can be used as electrocatalysts, for example as improved electrocatalysts in proton exchange membrane fuel cells (PEM-FCs). | 03-20-2014 |
| 20140106258 | Truncated Ditetragonal Gold Prisms - Truncated ditetragonal gold prisms (Au TDPs) are synthesized by adding a dilute solution of gold seeds to a growth solution, and allowing the growth to proceed to completion. The Au TDPs exhibit the face-centered cubic crystal structure and are bounded by 12 high-index {310} facets. The Au TDPs may be used as heterogeneous catalysts as prepared, or may be used as substrates for subsequent deposition of an atomically thin layer of a platinum group metal catalyst. When the Au TDPs are used as substrates, the atomically thin layer of metal reproduces the high-index facets of the Au TDPs. | 04-17-2014 |
| 20140113218 | Encapsulated Nanoporous Metal Nanoparticle Catalysts - Catalysts comprising porous metal nanoparticles, which are individually encapsulated with a reaction-enhancing material, and their use in fuel cell catalysis are provided. | 04-24-2014 |
| 20140186747 | Composite Filaments having Thin Claddings, Arrays of Composite Filaments, Fabrication and Applications Thereof - A method of fabricating composite filaments is provided. An initial composite filament including a core and a cladding (such as a Pt-group metal) is cut into smaller pieces (or is first mechanically reduced and then cut into smaller pieces). The smaller pieces of the filaments are inserted into a metal matrix, and the entire structure is then further reduced mechanically in a series of reduction steps. The process can be repeated until the desired cross sectional dimension of the filaments is achieved. The matrix can then be chemically removed to isolate the final composite filaments with the cladding thickness down to the nanometer range. The process allows the organization and integration of filaments of different sizes, compositions, and functionalities into arrays suitable for various applications. Materials and components made from such composite filaments and arrays of composite filaments are also disclosed, | 07-03-2014 |
| 20140193746 | COST-EFFECTIVE CORE-SHELL CATALYST WITH HIGH ELECTROCHEMICAL STABILITY - The present invention concerns a core-shell composite material comprising:
| 07-10-2014 |
| 20140220478 | CATALYST PROPERTY CONTROL WITH INTERMIXED INORGANICS - Nanostructured thin film catalysts which may be useful as fuel cell catalysts are provided, the catalyst materials including intermixed inorganic materials. In some embodiments the nanostructured thin film catalysts may include catalyst materials according to the formula Pt | 08-07-2014 |
| 20140287346 | ELECTROCONDUCTIVE TUNGSTEN OXIDE NANOWIRE CARRYING A PLATINUM NANODENDRITE AND METHOD FOR MANUFACTURING SAME - The present invention relates to an electroconductive tungsten oxide catalyst carrying a platinum dendrite and to a method for manufacturing same, and more particularly, to a method for manufacturing an electroconductive tungsten oxide carrying a platinum nanodendrite applicable as an anode catalyst having a strong resistance to carbon monoxide poisoning in a direct methanol fuel cell. The platinum nanodendrite-electroconductive tungsten oxide nanowire catalyst according to the present invention illustrates remarkably improved resistance to carbon monoxide poisoning when compared with a common platinum nanoparticle carbon catalyst, and so, may be used as a highly efficient DMFC anode catalyst. | 09-25-2014 |
| 20140295325 | SELF-ASSEMBLY PLATINUM NANOSTRUCTURE WITH THREE DIMENSIONAL NETWORK STRUCTURE AND METHOD OF PREPARING THE SAME - A self-assembly platinum nanostructure with a three dimensional network structure contains a plurality of platinum nanoparticles having a cubic shape, wherein the plurality of platinum nanoparticles gather to form a cubic shape and are disposed in a {111} direction. | 10-02-2014 |
| 20140302424 | Mixed-Metal Platinum Catalysts With Improved Carbon Monoxide Tolerance - Disclosed are catalysts, especially catalytic anodes, useful for catalyzing reactions in fuel cells and in other environments. The catalysts have a substrate base made of iridium and/or ruthenium. There is a very thin coating on the substrate which is a mix of platinum and at least one metal selected from gold, palladium, iridium, rhodium, ruthenium, rhenium, and osmium. The anodes are resistant to carbon monoxide adulteration in fuel cells. | 10-09-2014 |
| 20140308603 | TITANIUM SUBOXIDE SUPPORTS FOR CATALYST ELECTRODE OF FUEL CELL AND LOW TEMPERATURE SYNTHESIS OF TITANIUM SUBOXIDE - Titanium suboxide (Ti | 10-16-2014 |
| 20140349215 | ELECTROCHEMICAL CELL ELECTRODE - Electrochemical cell electrode ( | 11-27-2014 |
| 20140356765 | ULTRATHIN PLATINUM FILMS - In at least one embodiment, a method of forming a platinum thin film is provided, including performing a first atomic layer deposition (ALD) process on a substrate using a first platinum organometallic precursor in a first step and an oxidizing precursor in a second step to form an at least partially coated substrate. A second ALD process is then performed on the at least partially coated substrate using a second platinum organometallic precursor in a first step and a reducing precursor in a second step to form a thin film of platinum on the substrate. The first ALD process may be performed for 5 to 150 cycles to nucleate platinum on the substrate surface and the second ALD process may be performed thereafter to grow the thin film and remove surface oxides. A conformal platinum thin film having a thickness of 1 to 10 monolayers may be deposited. | 12-04-2014 |
| 20140356766 | FUEL CELL ELECTRODE AND METHOD FOR MANUFACTURING MEMBRANE-ELECTRODE ASSEMBLY USING THE SAME - The present invention provides a fuel cell electrode, which has increased physical and chemical durability, and a method for manufacturing a membrane-electrode assembly (MEA) using the same. According to the present invention, the fuel cell electrode is manufactured by controlling the amount of platinum supported on a first carbon support used in an anode to be smaller than that used in a cathode to increase the mechanical strength of a catalyst layer and maintain the thickness of the catalyst layer after prolonged operation and by adding carbon nanofibers containing a radical scavenger to a catalyst slurry to decrease deterioration of chemical durability. | 12-04-2014 |
| 20140370421 | HYDROGEN OXIDATION REACTION RATE BY PROMOTION OF HYDROXYL ADSORPTION - A method and article of manufacture including a catalytic substrate with a surface layer providing balanced active sites for adsorption/dissociation of H | 12-18-2014 |
| 20140370422 | Nanoparticles, Nanosponges, Methods of Synthesis, and Methods of Use - We disclose novel metallic nanoparticles coated with a thin protective carbon shell, and three-dimensional nano-metallic sponges; methods of preparation of the nanoparticles; and uses for these novel materials, including wood preservation, strengthening of polymer and fiber/polymer building materials, and catalysis. | 12-18-2014 |
| 20150030965 | FUEL CELL CATALYST LAYER HAVING SULFONATED POLY(ARYLENE ETHER)S AND MANUFACTURING METHOD THEREOF - A fuel cell catalyst layer having sulfonated poly(arylene ether)s and a manufacturing method therefor are provided. The manufacturing method includes steps of: providing at least one type of sulfonated poly(arylene ether)s; mixing the sulfonated poly(arylene ether)s with a catalyst composition to prepare a catalyst slurry; and coating the catalyst slurry to form a film which is dried to be an electrode catalyst layer, in which the weight ratio of the sulfonated poly(arylene ether)s is 5-50 wt %. The sulfonated poly(arylene ether)s in the electrode catalyst layer can provide good thermal stability, glass transition temperature, chemical resistance, mechanical properties, water impermeability, low proton transmission loss, and a relatively simple process to shorten the manufacturing time and lower the cost thereof. | 01-29-2015 |
| 20150030966 | CATHODE ELECTRODE FOR FUEL CELL - A cathode electrode for a fuel cell, includes a conductive carrier having pores and a catalyst having a platinum alloy supported in the pores of the conductive carrier, wherein the catalyst has in a pore diameter range of 2 to 6 nm when diameters of the pores is plotted in relation with volumes of the pores a peak value of more than 1 cm | 01-29-2015 |
| 20150050583 | HIGHLY SINTER-STABLE METAL NANOPARTICLES SUPPORTED ON MESOPOROUS GRAPHITIC PARTICLES AND THEIR USE - The present invention refers to highly sinter-stable metal nanoparticles supported on mesoporous graphitic spheres, the so obtained metal-loaded mesoporous graphitic particles, processes for their preparation and the use thereof as catalysts, in particular for high temperature reactions in reducing atmosphere and cathode side oxygen reduction reaction (ORR) in PEM fuel cells. | 02-19-2015 |
| 20150079499 | PARTICLE EXHIBITING CATALYTIC ACTIVITY - A particle exhibiting catalytic activity comprising (a) an inner core formed of an alloy material; and (b) an outer shell formed of a metal material surrounding the inner core, wherein the alloy material is selected such that the inner core exerts a compressive strain on the outer shell. | 03-19-2015 |
| 20150093685 | Platinum Based Oxygen Reaction Reduction Catalyst - An oxygen reduction reaction catalyst and method for making the catalyst includes a graphitized carbon substrate with an amorphous metal oxide layer overlying the surface of the substrate. The amorphous metal oxide layer has a worm-like structure. A catalyst overlies the metal oxide layer. | 04-02-2015 |
| 20150093686 | Metal-Oxide Catalysts for Fuel Cells - A method of preparing catalytic materials comprising depositing platinum or non-platinum group metals, or alloys thereof on a porous oxide support. | 04-02-2015 |
| 20150118599 | Composite Filaments having Thin Claddings, Arrays of Composite Filaments, Fabrication and Applications Thereof - A method of fabricating composite filaments is provided. An initial composite filament including a core and a cladding (such as a Pt-group metal) is cut into smaller pieces (or is first mechanically reduced and then cut into smaller pieces). The smaller pieces of the filaments are inserted into a metal matrix, and the entire structure is then further reduced mechanically in a series of reduction steps. The process can be repeated until the desired cross sectional dimension of the filaments is achieved. The matrix can then be chemically removed to isolate the final composite filaments with the cladding thickness down to the nanometer range. The process allows the organization and integration of filaments of different sizes, compositions, and functionalities into arrays suitable for various applications. Materials and components made from such composite filaments and arrays of composite filaments are also disclosed, | 04-30-2015 |
| 20150125783 | CATALYST FOR SOLID POLYMER FUEL CELL AND METHOD FOR PRODUCING SAME - The present invention is a catalyst for a solid polymer fuel cell including: catalyst particles of platinum, cobalt and manganese; and a carbon powder carrier supporting the catalyst particles, wherein the component ratio (molar ratio) of the platinum, cobalt and manganese of the catalyst particles is of Pt:Co:Mn=1:0.06 to 0.39:0.04 to 0.33, and wherein in an X-ray diffraction analysis of the catalyst particles, the peak intensity ratio of a Co—Mn alloy appearing around 2θ=27° is 0.15 or less on the basis of a main peak appearing around 2θ=40°. It is particularly preferred that the catalyst have a peak ratio of a peak of a CoPt | 05-07-2015 |
| 20150140474 | METHOD FOR PRODUCING METAL-SUPPORTED CARBON, METHOD FOR PRODUCING CRYSTALS CONSISTING OF FULLERENE MOLECULES AND FULLERENE NANOWHISKER/NANOFIBER NANOTUBES, AND APPARATUS FOR PRODUCING THE SAME - The present invention provides a method for producing metal-supported carbon, which includes supporting metal microparticles on the surface of carbon black, by a liquid-phase reduction method, in a thin film fluid formed between processing surfaces arranged to be opposite to each other so as to be able to approach to and separate from each other, at least one of which rotates relative to the other, as well as a method for producing crystals comprising fullerene molecules and fullerene nanowhisker/nanofiber nanotubes, which includes uniformly stirring and mixing a solution containing a first solvent having fullerene dissolved therein, and a second solvent in which fullerene is less soluble than in the first solvent, in a thin film fluid formed between processing surfaces arranged to be opposite to each other so as to be able to approach to and separate from each other, at least one of which rotates relative to the other. | 05-21-2015 |
| 20150147680 | HIGHLY FUNCTIONAL COMPOSITE NANOPARTICLES AND METHOD FOR PRODUCING SAME - The present invention relates to highly functional composite nanoparticles including a support body formed of nanoparticles and first phase nanoparticles which are condensed on the surfaces of the support body particles after being evaporated through a physical vapor deposition process, and to a method for producing same. According to the present invention, a physical vapor deposition process is used instead of a wet process so as to produce eco-friendly composite nanoparticles that do not emit hazardous chemicals while having high economic feasibility and process reproducibility. | 05-28-2015 |
| 20150147681 | Palladium-Based Catalysts for Fuels Electrooxidation Prepared by Sacrificial Support Method - A self-supporting porous alloyed metal material and methods for forming the same. The method utilizes a sacrificial support based technique that enables the formation of uniquely shaped voids in the material. The material is suitable for use as an electrocatalyst in a variety of fuel cell and other applications. | 05-28-2015 |
| 20150147682 | Nitride Stabilized Core/Shell Nanoparticles - Nitride stabilized metal nanoparticles and methods for their manufacture are disclosed. In one embodiment the metal nanoparticles have a continuous and nonporous noble metal shell with a nitride-stabilized non-noble metal core. The nitride-stabilized core provides a stabilizing effect under high oxidizing conditions suppressing the noble metal dissolution during potential cycling. The nitride stabilized nanoparticles may be fabricated by a process in which a core is coated with a shell layer that encapsulates the entire core. Introduction of nitrogen into the core by annealing produces metal nitride(s) that are less susceptible to dissolution during potential cycling under high oxidizing conditions. | 05-28-2015 |
| 20150295249 | PLATINUM AND PALLADIUM ALLOYS SUITABLE AS FUEL CELL ELECTRODES - The present invention concerns electrode catalysts used in fuel cells, such as proton exchange membrane (PEM) fuel cells. The invention is related to the reduction of the noble metal content and the improvement of the catalytic efficiency by low level substitution of the noble metal to provide new and innovative catalyst compositions in fuel cell electrodes. The novel electrode catalysts of the invention comprise a noble metal selected from Pt and Pd alloyed with an alkaline earth metal. | 10-15-2015 |
| 20150295250 | ELECTRODE CATALYST FOR FUEL CELL AND METHOD OF PRODUCING THE SAME, AND CATHODE, ANODE, AND FUEL CELL INCLUDING ELECTRODE CATALYST - Provided is an electrode catalyst for a fuel cell including: a carbon support; and catalytic metal supported on the carbon support, the catalytic metal being selected from platinum or a platinum alloy, in which the carbon support has a crystallite size of (002) plane of carbon within a range of 5.0 nm or more and has a specific surface area within a range of 95 m | 10-15-2015 |
| 20150303488 | Electrochemical Synthesis of Elongated Noble Metal Nanoparticles, such as Nanowires and Nanorods, on High-Surface Area Carbon Supports - Elongated noble-metal nanoparticles and methods for their manufacture are disclosed. The method involves the formation of a plurality of elongated noble-metal nanoparticles by electrochemical deposition of the noble metal on a high surface area carbon support, such as carbon nanoparticles. Prior to electrochemical deposition, the carbon support may be functionalized by oxidation, thus making the manufacturing process simple and cost-effective. The generated elongated nanoparticles are covalently bound to the carbon support and can be used directly in electrocatalysis. The process provides elongated noble-metal nanoparticles with high catalytic activities and improved durability in combination with high catalyst utilization since the nanoparticles are deposited and covalently bound to the carbon support in their final position and will not change in forming an electrode assembly. | 10-22-2015 |
| 20150333336 | METHOD FOR FABRICATING CORE-SHELL PARTICLES SUPPORTED ON CARRIER AND CORE-SHELL PARTICLES SUPPORTED ON CARRIER FABRICATED BY THE SAME (As Amended) - The present invention provides a method for fabricating core-shell particles supported on a carrier, the method including: forming a solution by adding a first metal supported on a carrier to a solvent; adjusting a pH of the solution from 7 to 14 and adding a metal salt of a second metal thereto; and forming core-shell particles by adding a reducing agent to the solution and forming a shell including the second metal on a surface of a core particle including the first metal, and core-shell particles fabricated by the method. | 11-19-2015 |
| 20150333337 | Composite Materials - A mixed metal oxide material of tungsten and titanium is provided for use in a fuel cell. The material may comprise less than approximately 30 at.% tungsten. The mixed metal oxide may form the core of a core-shell composite material, used as a catalyst support, in which a catalyst such as platinum forms the shell. The catalyst may be applied as a single monolayer, or up to 20 monolayers. | 11-19-2015 |
| 20150333338 | A Mixed Metal Oxide Material of Tin and Titanium - A mixed metal oxide material of tin and titanium is provided for use in a fuel cell. The mixed metal oxide may form the core of a core-shell composite material, used as a catalyst support, in which a catalyst such as platinum forms the shell. The catalyst may be applied as a single monolayer, or up to 20 monolayers. | 11-19-2015 |
| 20150340708 | Process for Preparing Nanoparticles of a Catalyst for Cathodic Reduction of Dioxygen in the Presence of Methanol - The invention relates to a process for preparing nanoparticles of a catalyst for cathodic reduction and which is tolerant to methanol, these nanoparticles comprising a metallic centre and a submonolayer of a chalcogen. | 11-26-2015 |
| 20150372313 | CORE-SHELL CATALYST AND METHOD FOR PALLADIUM-BASED CORE PARTICLE - A core-shell catalyst includes a porous, palladium-based core particle and a catalytic layer on the particle. The particle can be made by providing a precursor particle that has palladium interspersed with a sacrificial material. At least a portion of the sacrificial material is then removed such that the remaining precursor particle is porous. | 12-24-2015 |
| 20150372314 | SOLID POLYMER FUEL CELL CATALYST AND METHOD FOR MANUFACTURING THE SAME - The invention is a catalyst for solid polymer fuel cell having catalyst particles composed of platinum, cobalt and magnesium supported on a carbon powder carrier, in which a composition ratio (molar ratio) among platinum, cobalt and magnesium in the catalyst particles is Pt:Co:Mg=1:0.4 to 0.5:0.00070 to 0.00095. This catalyst is manufactured by supporting cobalt and magnesium on a platinum catalyst and then conducting a heat treatment and a treatment to be brought into contact with an oxidizing solution, the feature of the catalyst manufactured in this manner includes a peak position of a main peak appearing between 2θ=40° and 42° in X-ray diffraction analysis, and the peak position is shifted to from 41.0° to 41.5°. | 12-24-2015 |
| 20150372316 | Composite Materials - A mixed metal oxide material of tantalumand titanium is provided for use in a fuel cell. The material may comprise between 1 and 20 at. % tantalum. The mixed metal oxide may form the core of a core-shell composite material, used as a catalyst support, in which a catalyst such as platinum forms the shell. The catalyst may be applied as a single monolayer, and is preferably between 6.5 and 9.3 monolayers thick. | 12-24-2015 |
| 20150380741 | Active Support for Cathode Catalysts - Novel active supports, novel catalysts, and methods of preparing active supports using a sacrificial template particles and methods of preparing the same are all described. | 12-31-2015 |
| 20160006037 | LIQUID-ELECTROLYTE FUEL-CELL ELECTRODES WITH SOLUBLE FLUOROPOLYMER COATING AND METHOD FOR MAKING SAME - An electrode for a phosphoric acid fuel cell includes a phosphoric acid electrode; catalyst particles on the phosphoric acid electrode; and a fluoropolymer on the catalyst particles. Methods for making such electrodes using soluble fluoropolymer are also provided. | 01-07-2016 |
| 20160006042 | SUPPORTED CATALYST FOR FUEL CELL, METHOD OF MANUFACTURING THEREOF, AND FUEL CELL - An object of the present invention is to provide a supported catalyst for a fuel cell having a high activity, a method of manufacturing thereof, and a fuel cell including the supported catalyst for a fuel cell. A supported catalyst for a fuel cell of the present invention includes a conductive carrier and catalyst particle supported on the conductive carrier and contains platinum. The ratio of the mass of oxygen to the mass of the catalyst particle measured by using an inert gas fusion-nondispersive infrared absorption method is 4 mass % or less. | 01-07-2016 |
| 20160013494 | CATALYST PARTICLES FOR FUEL CELLS AND METHOD FOR PRODUCING SAME | 01-14-2016 |
| 20160013495 | CATALYST FOR SOLID POLYMER FUEL CELLS AND METHOD FOR PRODUCING SAME | 01-14-2016 |
| 20160028093 | Oxygen Reduction Reaction Catalyst Having a Non-Conductive Substrate - An oxygen reduction reaction catalyst (ORR) and a method for making the catalyst are provided. The method may include depositing (e.g., by PVD) conductive catalyst material onto a non-conductive substrate, such as particles or powder, to form an intermediate ORR catalyst. The intermediate ORR catalyst may then be heat treated and another deposition process may be performed to form a thin, electrically interconnected catalyst network layer overlying the non-conductive substrate. The catalyst material may include, for example, platinum, gold, or other platinum group or noble metals, or alloys thereof. The non-conductive substrate may be a ceramic, for example, yttria-stabilized zirconia (YSZ). | 01-28-2016 |
| 20160064744 | CATALYST AND ELECTRODE CATALYST LAYER FOR FUEL CELL HAVING THE CATALYST | 03-03-2016 |
| 20160072134 | CATALYST AND MANUFACTURING METHOD THEREOF, AND ELECTRODE CATALYST LAYER USING THE CATALYST - [Object] Provided is a catalyst having a high catalytic activity. [Solving Means] Disclosed is a catalyst comprising a catalyst support and a catalyst metal supported on the catalyst support, wherein the catalyst support includes pores having a radius of less than 1 nm and pores having a radius of 1 nm or more, a surface area formed by the pores having a radius of less than 1 nm is equal to or larger than a surface area formed by the pores having a radius of 1 nm or more, and an average particle diameter of the catalyst metal is 2.8 nm or more. | 03-10-2016 |
| 20160079604 | CATALYST ELECTRODES AND METHOD OF MAKING IT - Fuel cell anodes comprising (a) a catalyst comprising Pt, (b) an oxygen evolution reaction catalyst, and (c) at least one of Au, a refractory metal (e.g., at least one of Hf, Nb, Os, Re, Rh, Ta, Ti, W, or Zr), a refractory metal oxide, a refractory metal boride, a refractory metal carbide, a refractory metal nitride, or a refractory metal silicide. The fuel cell anodes are useful in fuel cells. | 03-17-2016 |
| 20160093894 | FUEL CELL AND MOVING BODY - A fuel cell includes a catalyst layer containing a polymer electrolyte and catalyst-carrying carbon. A value of an initial weight ratio of the polymer electrolyte to the catalyst-carrying carbon in the catalyst layer is set to a value that is smaller by 0.1 to 0.2 than a value of a weight ratio of the polymer electrolyte to the catalyst-carrying carbon in the catalyst layer which maximizes a maximum output of the fuel cell in a state where the polymer electrolyte is not swollen. | 03-31-2016 |
| 20160141632 | CATALYST PROPERTY CONTROL WITH INTERMIXED INORGANICS - Nanostructured thin film catalysts which may be useful as fuel cell catalysts are provided, the catalyst materials including intermixed inorganic materials. In some embodiments the nanostructured thin film catalysts may include catalyst materials according to the formula Pt | 05-19-2016 |
| 20160190602 | CATALYST FOR SOLID POLYMER FUEL CELLS AND METHOD FOR PRODUCING SAME - The present invention aims to provide a catalyst that makes it possible to reduce an amount of solid electrolyte mixed and improve initial performance of a fuel cell, and also a method for producing the catalyst. The present invention relates to a catalyst for a solid polymer fuel cell, which has sulfo groups (—SO | 06-30-2016 |
| 20160204442 | MIXED-METAL OXIDE CATALYST LAYER WITH SACRIFICIAL MATERIAL | 07-14-2016 |
| 20160204448 | HOLLOW METAL PARTICLES, ELECTRODE CATALYST INCLUDING SAME, ELECTROCHEMICAL BATTERY INCLUDING THE ELECTRODE CATALYST, AND METHOD OF MANUFACTURING HOLLOW METAL PARTICLES | 07-14-2016 |
| 20160204449 | MODIFIED BIMETALLIC NANOPARTICLE AND A PROCESS TO PREPARE THE SAME | 07-14-2016 |
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