Class / Patent application number | Description | Number of patent applications / Date published |
429485000 | Metal or alloy containing | 66 |
20100167164 | SOFC Cathode and Method for Cofired Cells and Stacks - A solid oxide fuel cell includes an anode layer, an electrolyte layer over a surface of the anode layer, and a cathode layer over a surface of the electrolyte layer. The cathode layer includes a cathode bulk layer, a porous cathode functional layer at an electrolyte, an intermediate cathode layer partitioning the cathode bulk layer and the porous cathode functional layer, the porous intermediate cathode layer having a porosity greater than that of the cathode bulk layer. The solid oxide fuel cells can be combined to form subassemblies that are bonded together to form solid oxide fuel cell assemblies. | 07-01-2010 |
20100183945 | ELECTRODE CATALYST FOR FUEL CELL, PROCESS FOR PRODUCING THE SAME AND SOLID POLYMER FUEL CELL COMPRISING THE SAME - To improve catalytic efficiency by securing sufficient three phase interfaces in carbon nanohorns, where a reactant gas, a catalyst and an electrolyte meet. The resulting support with a catalyst allows an electrode reaction to proceed efficiently and improves the power generation efficiency of a fuel cell. Also, an electrode having excellent properties and a solid polymer fuel cell including the electrode, capable of giving high battery output are provided. An electrode catalyst for a fuel cell including a carbon nanohorn aggregate as a support, a catalytic metal supported on the carbon nanohorn aggregate support and a polyelectrolyte applied to the carbon nanohorn aggregate support, characterized in that the catalytic metal is not supported in deep regions between carbon nanohorns. Preferably, the catalytic metal has an average particle size of 3.2 to 4.6 nm. | 07-22-2010 |
20100227253 | CATALYST, PROCESS FOR PREPARING THE SAME, AND USES OF THE CATALYST - The present invention provides a catalyst which is not corroded in an acidic electrolyte or at a high potential, is excellent in durability and has high oxygen reduction ability. The catalyst of the present invention is characterized by including a niobium oxycarbonitride. The catalyst of the invention is also characterized by including a niobium oxycarbonitride represented by the composition formula NbC | 09-09-2010 |
20100291471 | Novel Cathode and Electrolyte Materials for Solid Oxide Fuel Cells and Ion Transport Membranes - Novel cathode, electrolyte and oxygen separation materials are disclosed that operate at intermediate temperatures for use in solid oxide fuel cells and ion transport membranes based on oxides with perovskite related structures and an ordered arrangement of A site cations. The materials have significantly faster oxygen kinetics than in corresponding disordered perovskites. | 11-18-2010 |
20110027689 | Silver-copper-zinc catalyst for fuel cells and/or electrolyzers - Silver-copper-zinc compositions are employed as catalysts, e.g., for fuel cell and/or electrolyzer applications. These compositions have been experimentally tested in solid oxide fuel cell and proton exchange membrane fuel cell configurations. Such catalysts can be effective for both the anode and cathode half-reactions. A preferred composition range is Ag | 02-03-2011 |
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 |
20110183234 | PROCESS FOR PRODUCTION AND USE OF CARBONITRIDE MIXTURE PARTICLES OR OXYCARBONITRIDE MIXTURE PARTICLES - The invention has an object of providing catalysts that are not corroded in acidic electrolytes or at high potential, have excellent durability and show high oxygen reducing ability. An aspect of the invention is directed to a process wherein metal carbonitride mixture particles or metal oxycarbonitride mixture particles are produced from an organometallic compound of a Group IV or V transition metal, a metal salt of a Group IV or V transition metal, or a mixture of these compounds using laser light as a light source. | 07-28-2011 |
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 |
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 |
20120270139 | CATHODE MATERIAL FOR A FUEL CELL, CATHODE INCLUDING THE CATHODE MATERIAL, AND A SOLID OXIDE FUEL CELL INCLUDING THE CATHODE MATERIAL - A cathode material for a fuel cell, the cathode material including a first metal oxide having a perovskite crystal structure, and a second metal oxide including cerium and at least two lanthanide elements, the lanthanide elements having an average ionic radius of about 0.90 to about 1.02 Å. | 10-25-2012 |
20130095410 | FUEL CELL - A fuel cell includes an anode, a cathode and a solid electrolyte layer. The cathode has a main phase and a sub phase. The main phase is composed of a perovskite type oxide including cobalt. The sub phase is composed of tricobalt tetroxide. The solid electrolyte layer is disposed between the anode and the cathode. An area occupancy of the sub phase in a sectional surface of the cathode is equal to or less than 9.8%. | 04-18-2013 |
20130189603 | FUEL CELL - [Problem] To provide a fuel cell having excellent power generation performance, which includes a compound containing at least hydrogen and nitrogen as fuel and uses an anion exchange membrane as an electrolyte layer. [Solution] In a fuel cell | 07-25-2013 |
20130302715 | PROCESS FOR PRODUCING CATALYST CARRIER, PROCESS FOR PRODUCING COMPOSITE CATALYST, COMPOSITE CATALYST, AND FUEL CELL USING SAME - A catalyst carrier production process includes a step (a) of mixing a transition metal compound (1), a nitrogen-containing organic compound (2), and a solvent to provide a catalyst carrier precursor solution; a step (b) of removing the solvent from the catalyst carrier precursor solution; and a step (c) of thermally treating a solid residue obtained in the step (b) at a temperature of 500 to 1100° C. to provide a catalyst carrier; wherein the transition metal compound (1) is partly or wholly a compound including a transition metal element (M1) selected from the group 4 and 5 elements of the periodic table as a transition metal element; and at least one of the transition metal compound (1) and the nitrogen-containing organic compound (2) includes an oxygen atom. | 11-14-2013 |
20140234751 | SOLID OXIDE FUEL CELL AND MANUFACTURING METHOD THEREOF - There are provided a solid oxide fuel cell capable of firmly sealing an anode while simultaneously securing rigidity of an anode support structure, and a manufacturing method thereof. The solid oxide fuel cell includes an electrolyte layer, a cathode provided on one surface of the electrolyte layer, an anode provided on the other surface of the electrolyte layer, and at least one reinforcing member disposed within the anode to reinforce rigidity thereof. | 08-21-2014 |
20140272666 | FUEL CELL SYSTEM INCLUDING SACRIFICIAL NICKEL SOURCE - In some examples, solid oxide fuel cell system comprising a solid oxide fuel cell including an anode, an anode conductor layer, a cathode, a cathode conductor layer, and electrolyte, wherein the anode and the anode conductor layer each comprise nickel; and a sacrificial nickel source separate from that of the anode and anode conductor layer, wherein the sacrificial nickel source is configured to reduce the loss or migration of the nickel of the anode and/or the anode current collector in the fuel cell during operation | 09-18-2014 |
20150072266 | FUEL CELL FLUID DISTRIBUTION - The invention relates to methods and apparatus for forming fluid distribution channels in fuel cell electrode plates, and to plates produced by such methods. Exemplary embodiments disclosed include a method of forming fluid distribution channels in a fuel cell electrode plate ( | 03-12-2015 |
20150325860 | ELECTRO-CATALYTIC CONFORMAL COATINGS AND METHOD FOR MAKING THE SAME - A composition of matter is disclosed which is a perovskite having a composition A | 11-12-2015 |
20150333353 | LIQUID METAL BATTERY - The invention relates to a metal battery, and in particular, to a metal battery including a liquid anode and a liquid cathode. The metal batteries can operate at ambient temperature and can be prepared fully uncharged for safe transport and storage. | 11-19-2015 |
20150372312 | Synthesis of Alloy Nanoparticles as a Stable Core for Core-Shell Electrocatalysts - A method for making tungsten-alloy nanoparticles that are useful for fuel cell applications includes a step of combining a solvent system and a surfactant to form a first mixture. A tungsten precursor is introduced into the first mixture to form a tungsten precursor suspension. The tungsten precursor suspension is heated to form tungsten nanoparticles. The tungsten nanoparticles are combined with carbon particles to form carbon-nanoparticle composite particles. The carbon-nanoparticle composite particles are combined with a metal salt to form carbon-nanoparticle composite particles with adhered metal salt, the metal salt including a metal other than tungsten. The third solvent system is then removed. A two-stage heat treatment is applied to the carbon-nanoparticle composite particles with adhered metal salt to form carbon supported tungsten-alloy nanoparticles. A method for making carbon supported tungsten alloys by reducing a tungsten salt and a metal salt is also provided. | 12-24-2015 |
20160020468 | FUNCTIONAL GRADING OF CATHODE INFILTRATION FOR SPATIAL CONTROL OF ACTIVITY - Disclosed are various embodiments for functional grading of electrode infiltration for spatial control of activity. In one embodiment, a system comprises a plurality of electrodes. At least one electrode of the plurality of electrodes comprises a non-uniform distribution of an infiltrate applied along a length of the at least one electrode. | 01-21-2016 |
429486000 | Metal-ceramic composite or mixture (e.g., cermet, etc.) | 11 |
20110053041 | CU-BASED CERMET FOR HIGH-TEMPERATURE FUEL CELL - Copper-based cermets and methods of preparing them are provided. The Cu-based cermets have interpenetrating networks of copper alloy and stabilized zirconia that are in intimate contact and display high electronic connectivity through the copper alloy phase. In certain embodiments, methods of preparing the cermets involving sintering a mixture of ceramic and copper-based powders in a reducing atmosphere at a temperature above the melting point of the copper or copper alloy are provided. Also provided are electrochemical structures having the Cu-based cermet, e.g., as an anode structure or a barrier layer between an anode and a metal support. Applications of the cermet compositions and structures include use in high-operating-temperature electrochemical devices, including solid oxide fuel cells, hydrogen generators, electrochemical flow reactors, etc. | 03-03-2011 |
20120021332 | ANODE ON A PRETREATED SUBSTRATE FOR IMPROVING REDOX-STABILITY OF SOLID OXIDE FUEL CELL AND THE FABRICATION METHOD THEROF - The disclosure provides a double-layer anode structure on a pretreated porous metal substrate and a method for fabricating the same, for improving the redox stability and decreasing the anode polarization resistance of a SOFC. The anode structure comprises: a porous metal substrate of high gas permeability; a first porous anode functional layer, formed on the porous metal substrate by a high-voltage high-enthalpy Ar—He—H | 01-26-2012 |
20120021333 | POROUS METAL SUBSTRATE STRUCTURE FOR A SOLID OXIDE FUEL CELL - The disclosure provides a porous metal substrate structure with high gas permeability and redox stability for a SOFC and the fabrication process thereof, the porous metal substrate structure comprising: a porous metal plate composed of first metal particles; and a porous metal film composed of second metal particles and formed on the porous metal plate; wherein the porous metal plate has a thickness more than the porous metal film, and the first metal particle has a size more than the second metal particle. Further, a porous shell containing Fe is formed on the surface of each metal particle by impregnating a solution containing Fe in a high temperature sintering process of reducing or vacuum atmosphere, and the oxidation and reduction processes. The substrate uses the porous shells containing Fe particles to absorb the leakage oxygen. | 01-26-2012 |
20130137010 | REACTIVE SINTERING OF CERAMIC LITHIUM-ION SOLID ELECTROLYTES - A method of forming a solid, dense, hermetic lithium-ion electrolyte membrane comprises combing an amorphous, glassy, or low melting temperature solid reactant with a refractory oxide reactant to form a mixture, casting the mixture to form a green body, and sintering the green body to form a solid membrane. The resulting electrolyte membranes can be incorporated into lithium-ion batteries. | 05-30-2013 |
20130273456 | Solid Oxide Fuel Cell, Method of Fabricating the Same, and Tape Casting Apparatus for Fabricating Anode - Disclosed are a solid oxide fuel cell, a method of fabricating the same, and a tape casting apparatus for fabricating an anode. The solid oxide fuel cell includes an electrolyte film sheet, a cathode, and an anode, and the anode includes a catalyst active layer sheet for inducing a reforming reaction of the supplied fuel. The catalyst active layer sheet is formed by a tape casting method using a plurality of pieces of slurry having different catalyst contents, and the catalyst content within the catalyst active layer sheet is gradually changed in a flow direction of the fuel. In the solid oxide fuel cell, a temperature deviation of a unit cell is minimized by uniformly reforming the fuel in the flow direction of the fuel, thereby improving mechanical and chemical durability. | 10-17-2013 |
20140170529 | METAL COMPOSITE MATERIAL FOR ATTACHMENT TO CERAMIC - A sintered solid composite material is disclosed that includes a metal and a calcium alumina compound. The metal can be a noble metal. This composite material can bond to a ceramic material, and an article is disclosed that includes a first ceramic layer bonded to a second layer of the composite material of metal and calcium alumina compound. The ceramic can be a mixed ionic and electronic conductor (MEIC), and/or have a perovskite crystal structure, and/or be a mixed oxide comprising lanthanum, strontium, cobalt, iron and oxygen. The article can be used as an electrode such as a cathode of a solid oxide fuel cell. | 06-19-2014 |
20140242495 | Anode with Remarkable Stability Under Conditions of Extreme Fuel Starvation - A solid oxide fuel cell (SOFC) includes a cathode electrode, a solid oxide electrolyte, and an anode electrode having a first region located adjacent to a fuel inlet and a second region located adjacent to a fuel outlet. The anode electrode includes a cermet having a nickel containing phase and a ceramic phase. The first region of the anode electrode contains a lower ratio of the nickel containing phase to the ceramic phase than the second region of the anode electrode. | 08-28-2014 |
20150050579 | MEDIUM AND HIGH-TEMPERATURE CARBON-AIR CELL - The present invention relates to a medium and high-temperature carbon-air cell, which include a solid oxide fuel cell, a CO | 02-19-2015 |
20160093891 | CERIUM OXIDE MODIFIED ORDERED MESOPOROUS CARBON CATALYST FOR FORMIC ACID OXIDATION IN DIRECT FORMIC ACID FUEL CELLS - Electrocatalysts for the anode electro-oxidation of formic acid in direct formic acid fuel cells (DFAFCs). The Pd-, Pt- or PdPt-based electrocatalysts contain CeO | 03-31-2016 |
20160133947 | SOFC CATHODE COMPOSITIONS WITH IMPROVED RESISTANCE TO SOFC DEGRADATION - A solid oxide fuel cell (SOFC) includes a solid oxide electrolyte with a zirconia-based ceramic, an anode electrode, and a cathode electrode that includes a ceria-based ceramic component and an electrically conductive component. Another SOFC includes a solid oxide electrolyte containing a zirconia-based ceramic, an anode electrode, and a cathode electrode that includes an electrically conductive component and an ionically conductive component, in which the ionically conductive component includes a zirconia-based ceramic containing scandia and at least one of ceria, ytterbia and yttria. | 05-12-2016 |
20160164109 | SOLID ELECTROLYTE FUEL CELL - A solid electrolyte fuel cell that includes a fuel electrode contact layer in contact with a fuel electrode layer and an air electrode contact layer in contact with an air electrode layer. The fuel electrode layer includes a first single metal or a first alloy, the fuel electrode contact layer includes a first conductive oxide, the air electrode layer includes a second conductive oxide, and the air electrode contact layer includes a second single metal or a second alloy. | 06-09-2016 |
429487000 | Noble metal or alloy | 35 |
20100216052 | Catalyst Coated Membrane (CCM) and Catalyst Film/Layer for Alkaline Membrane Fuel Cells and Methods of Making Same - Alkaline membrane fuel cells designed with silver cathode catalysts include a catalyst layer comprising silver metal nano-particles and an anion-conducting ionomer. The silver nano-particles are mixed with a solution of the ionomer to form a catalyst ink that is applied to an alkaline membrane to form an ultra-thin cathode catalyst layer on the membrane surface. | 08-26-2010 |
20100227254 | Decal method for transferring platinum-and platinum alloy-based catalysts with nanonetwork structures - Platinum- and platinum alloy-based catalysts with nanonetwork structures are formed on a substrate at first. Then, a support of a proton exchange membrane is taken. In the end, the catalysts are transferred to the support. | 09-09-2010 |
20100233574 | METHOD FOR PRODUCING ELECTRODE MATERIAL FOR FUEL CELL, ELECTRODE MATERIAL FOR FUEL CELL,AND FUEL CELL USING THE ELECTRODE MATERIAL FOR FUEL CELL - Disclosed is a method for producing an electrode material for fuel cells, which electrode material has excellent electrochemical catalytic activity and uses a non-carbon conductive oxide carrier having high durability. Specifically disclosed is a method for producing an electrode material for fuel cells, which comprises the following steps. (1) A step wherein carriers mainly composed of tin oxide are dispersed in a solution containing a noble metal colloid, and the noble metal colloid is reduced so that the carriers are loaded with noble metal particles (2) A step wherein the carriers loaded with the noble metal particles are separated from the liquid and dried (3) A step wherein the dried carriers loaded with the noble metal particles are subjected to a heat treatment at a temperature of not less than 80° C. but not more than 250° C. in the presence of a reducing gas | 09-16-2010 |
20100239950 | CATALYST LAYER-SUPPORTING SUBSTRATE, METHOD OF PRODUCING THE SAME AND FUEL CELL - A catalyst layer-supporting substrate includes a substrate and a catalyst layer. The catalyst layer includes a catalyst material and pores. The catalyst layer is formed on the substrate. The catalyst material has a layer or wire shape. A half-value width of a main peak of the catalyst material, as determined from X-ray diffraction spectrum of the catalyst layer, is 1.5° or more. A porosity of the catalyst layer is 30% or more. | 09-23-2010 |
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 |
20100255406 | SOLID-STATE FUEL CELL INCLUDING CHEMICAL ELECTROLYTE PROTECTION LAYER AND METHOD OF MANUFACTURING SAME - A solid-state fuel cell includes: an anode; an anode side chemical electrolyte protection layer disposed on the anode; a hydrogen ion conductive solid oxide film disposed on the anode side chemical electrolyte protection layer; a cathode side chemical electrolyte protection layer disposed on the hydrogen ion conductive solid oxide film; and a cathode disposed on the cathode side chemical electrolyte protection layer. | 10-07-2010 |
20100323273 | FUEL CELL ELECTRODES WITH TRAIZOLE MODIFIED POLYMERS AND MEMBRANE ELECTRODE ASSEMBLIES INCORPORATING SAME - Embodiments of the present inventions are directed to fuel cell electrodes in membrane electrode assemblies, and methods of making same wherein the fuel cell electrodes comprise a catalyst layer and a gas diffusion layer. The catalyst layer comprises at least one catalyst, phosphoric acid and a binder comprising at least one triazole modified polymer. | 12-23-2010 |
20100323274 | FUEL CELL ELECTRODE CATALYST AND POLYMER ELECTROLYTE FUEL CELL USING THE SAME - This invention provides a fuel cell electrode catalyst in which at least one transition metal element and at least one chalcogen element are supported on a conductive support, wherein the fuel cell electrode catalyst comprises a core portion comprising a transition metal crystal and a shell portion comprising surface atoms of the transition metal crystal particle and chalcogen elements coordinating to the surface atoms, and the outer circumference of the core portion is being partially covered with the shell portion. The fuel cell electrode catalyst has a high level of oxygen reduction performance, high activity as a fuel cell catalyst and comprises a transition metal element and a chalcogen element. | 12-23-2010 |
20110111322 | FUEL CELL ELECTRODE CATALYST, METHOD FOR EVALUATING PERFORMANCE OF OXYGEN-REDUCING CATALYST, AND SOLID POLYMER FUEL CELL COMPRISING THE FUEL CELL ELECTRODE CATALYST - According to the present invention, a fuel cell electrode catalyst comprising a transition metal element and a chalcogen element and having high activity is provided with an index for performance evaluation that is useful for good catalyst design. Also, a fuel cell electrode catalyst is provided, such catalyst comprising at least one transition metal element and at least one chalcogen element which are supported by a conductive carrier, wherein the value of (average electrode catalyst particle size (nm))/(electrode catalyst particle size distribution (%)) is 0.013 to 0.075. | 05-12-2011 |
20110159403 | Layered Catalyst Assembly and Electrode Assembly Employing the Same - According to one aspect of the present invention, a catalyst assembly is provided for use in a fuel cell. In one embodiment, the catalyst assembly includes a first layer containing a first noble metal catalyst supported on a first support material having a first average surface area, and a second layer containing a second noble metal catalyst supported on a second support material having a second average surface area less than the first average surface area. In another embodiment, the catalyst assembly is disposed next to an ionic exchange membrane, wherein the first layer is positioned between the first layer and the ionic exchange membrane. In yet another embodiment, the first and second support materials collectively define channels of differential hydrophobicity. | 06-30-2011 |
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 |
20110207019 | PLATINUM ALLOY ELECTROCATALYST WITH ENHANCED RESISTANCE TO ANION POISONING FOR LOW AND MEDIUM TEMPERATURE FUEL CELLS - A platinum alloy catalyst is made by a microemulsion method. The resulting catalyst has superior properties for use in low and medium temperature fuel cells. | 08-25-2011 |
20110244364 | HIGH TEMPERATURE MEMBRANE ELECTRODE ASSEMBLY WITH HIGH POWER DENSITY AND CORRESPONDING METHOD OF MAKING - A membrane electrode assembly (MEA) with enhanced current density or power density is fabricated using high temperature (HT) proton exchange membrane (PEM). The MEA can be utilized in high temperature PEM fuel cell applications. More specifically, the MEA is modified with the addition of one or more of selected materials to its catalyst layer to enhance the rates of the fuel cell reactions and thus attain dramatic increases of the power output of the MEA in the fuel cell. The MEA has application to other electro-chemical devices, including an electrolyzer, a compressor, or a generator, purifier, and concentrator of hydrogen and oxygen using HT PEM MEAs. | 10-06-2011 |
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 |
20120028166 | CATALYST MATERIAL AND METHOD OF MANUFACTURING THE SAME - It is an object to inhibit a corrosion and disappearance of carbon included in a catalyst carrier to enhance the durability of a fuel cell. | 02-02-2012 |
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 |
20120301812 | Carbon nanotube and nanofiber film-based membrane electrode assemblies - A membrane electrode assembly (MEA) for a fuel cell comprising a catalyst layer and a method of making the same. The catalyst layer can include a plurality of catalyst nanoparticles, e.g., platinum, disposed on buckypaper. The method can include the steps of placing buckypaper in a vessel with a catalyst-precursor salt and a fluid. The temperature and pressure conditions within the vessel are modified so as to place the fluid in the supercritical state. The supercritical state of the supercritical fluid containing the precursor salt is maintained for period of time to impregnate the buckypaper with the catalyst-precursor salt. Catalyst nanoparticles are deposited on the buckypaper. The supercritical fluid and the precursor are removed to form a metal catalyst impregnated buckypaper. | 11-29-2012 |
20130071771 | PROTON-EXCHANGE MEMBRANE FUEL CELL ELECTRODE STRUCTURATION - An electrode for an electrochemical system, such as a fuel cell, is formed by an active layer including: pores; at least one catalyst; at least one ionomer; and electrically-conductive particles. The catalyst content per pore ranges between 30 and 500 mg/cm | 03-21-2013 |
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 |
20130189604 | NANOCOMPOSITES - The invention pertains to heterogenous noble metal nanostructures comprising silver salts and different noble metals, and methods for synthesis and use of various nanocomposite materials having silver salts and different noble metals. | 07-25-2013 |
20130236812 | DURABLE FUEL CELL WITH PLATINUM COBALT ALLOY CATHODE CATALYST AND SELECTIVELY CONDUCTING ANODE - The degradation associated with repeated startup and shutdown of solid polymer electrolyte fuel cells comprising PtCo alloy cathode catalysts can be particularly poor. However, a marked and unexpected improvement in durability is observed as a result of incorporating a selectively conducting component in electrical series with the anode components in the fuel cell. | 09-12-2013 |
20130260282 | EXTENDED TWO DIMENSIONAL METAL NANOTUBES AND NANOWIRES USEFUL AS FUEL CELL CATALYSTS AND FUEL CELLS CONTAINING THE SAME - Metal nanotubes are provided comprising a composition having formula (M | 10-03-2013 |
20140004444 | FUEL CELL ELECTROCATALYST | 01-02-2014 |
20140099568 | CATALYST FOR FUEL CELL, METHOD OF PREPARING SAME, MEMBRANE-ELECTRODE ASSEMBLY AND FUEL CELL SYSTEM INCLUDING SAME - Disclosed are a catalyst for a fuel cell, a method of preparing the same, and an electrode for a fuel cell, a membrane-electrode assembly for a fuel cell, and a fuel cell system including the same, and the catalyst includes a carrier; and an active metal supported on the carrier, wherein the carrier is crystalline carbon bonded with a functional group represented by the following Chemical Formula 1 at the surface thereof. | 04-10-2014 |
20140113214 | PFCB Nanometer Scale Fibers - A method for making a fibrous layer for fuel cell applications includes a step of combining a perfuorocyclobutyl-containing resin with a water soluble carrier resin to form a resinous mixture. The resinous mixture is then shaped to form a shaped resinous mixture. The shaped resinous mixture includes perfuorocyclobutyl-containing structures within the carrier resin. The shaped resinous mixture is contacted (i.e., washed) with water to separate the perfuorocyclobutyl-containing structures from the carrier resin. Optional protogenic groups and then a catalyst are added to the perfuorocyclobutyl-containing structures. | 04-24-2014 |
20140186744 | NANOSTRUCTURED PTxMy CATALYST FOR PEMFC CELLS HAVING A HIGH ACTIVITY AND A MODERATE H2O2 PRODUCTION - A method of manufacturing a catalyst for a Pt | 07-03-2014 |
20140220475 | Catalyst Assembly Including an Intermetallic Compound of Iridium And Tungsten - A catalyst assembly having a substrate including an intermetallic compound of W and Ir. The weight ratio of W to Ir is in a range between a first ratio and a second ratio. A catalyst includes at least one noble metal is supported on and contacts the substrate. The first ratio may be in the range of 48:52 and the second ratio may be in the range of 51:49. | 08-07-2014 |
20140335438 | MEMBRANE ELECTRODE ASSEMBLY AND FUEL CELL USING THE SAME - A membrane electrode assembly includes a proton exchange membrane having two surfaces, and two electrodes separately located on the two surfaces. At least one of the two electrodes comprises a carbon nanotube composite structure, the carbon nanotube composite structure includes a carbon nanotube structure and a catalyst material dispersed in the carbon nanotube structure. The carbon nanotube structure is a planar structure including a plurality of carbon nanotube wires located side by side, crossed, or weaved together to form the carbon nanotube structure. Each of the plurality of carbon nanotube wires includes a plurality of carbon nanotubes aligned around an axis of the carbon nanotube twisted wire in a helix way. | 11-13-2014 |
20150086903 | ELECTRODE CATALYST FOR FUEL CELL, ELECTRODE FOR FUEL CELL INCLUDING THE ELECTRODE CATALYST AND FUEL CELL INCLUDING THE SAME, AND METHOD FOR PREPARING THE ELECTRODE CATALYST - An electrode catalyst for a fuel cell, the electrode catalyst including an active particle, the active particle including a core including platinum, a transition metal, and a first nonmetal element; and a shell on the core, the shell including an alloy including platinum and a second nonmetal element, wherein the first and second nonmetal elements included in the core and the shell are the same or different. | 03-26-2015 |
20150093682 | METHOD FOR PRODUCING CATALYST FOR FUEL CELLS, AND FUEL CELL CONTAINING CATALYST FOR FUEL CELLS PRODUCED BY THE PRODUCTION METHOD - The present invention is to provide a method for producing a catalyst for fuel cells with excellent durability, and a fuel cell comprising a catalyst for fuel cells produced by the production method. Disclosed is a method for producing a catalyst for fuel cells, the catalyst comprising fine catalyst particles, each of which comprises a palladium-containing core particle and a platinum-containing outermost layer covering the core particle, and carbon supports on which the fine catalyst particles are supported, wherein the method comprises the steps of: preparing carbon supports on which palladium-containing particles are supported; fining the carbon supports; and covering the palladium-containing particles with a platinum-containing outermost layer after the fining step. | 04-02-2015 |
20150099212 | GAS PHASE MODIFICATION OF SOLID OXIDE FUEL CELLS - A solid oxide fuel cell comprising an electrolyte, an anode and a cathode. In this fuel cell at least one electrode has been modified with a promoter using gas phase infiltration. | 04-09-2015 |
20150325861 | 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 catalytic5 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 a lanthanide metal. | 11-12-2015 |
20160006041 | USE OF AN ANODE CATALYST LAYER - A method of operating a fuel cell having an anode, a cathode and a polymer electrolyte membrane disposed between the anode and the cathode, includes feeding the anode with an impure hydrogen stream having low levels of carbon monoxide up to 5 ppm, wherein the anode includes an anode catalyst layer including a carbon monoxide tolerant catalyst material, wherein the catalyst material includes: (i) a binary alloy of PtX, wherein X is a metal selected from the group consisting of Nb and Ta, and wherein the atomic percentage of platinum in the alloy is from 45 to 80 atomic % and the atomic percentage of X in the alloy is from 20 to 55 atomic %; and (ii) a support material on which the PtX alloy is dispersed; wherein the total loading of platinum in the anode catalyst layer is from 0.01 to 0.2 mgPt/cm | 01-07-2016 |
20160068973 | Alloy Catalyst Material - The present invention relates to a novel alloy catalyst material for use in the synthesis of hydrogen peroxide from oxygen and hydrogen, or from oxygen and water. The present invention also relates to a cathode and an electrochemical cell comprising the novel catalyst material, and the process use of the novel catalyst material for synthesising hydrogen peroxide from oxygen and hydrogen, or from oxygen and water. | 03-10-2016 |
20160172687 | OXIDE-COATED METAL CATALYST FOR COMPOSITE ELECTRODE AND METHOD FOR PREPARING COMPOSITE ELECTRODE USING THE SAME | 06-16-2016 |