| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 429524000 |
Including platinum catalyst
| 127 |
| 429532000 |
Having an inorganic matrix, substrate, or support
| 75 |
| 429530000 |
Having organic component
| 27 |
| 429527000 |
Including nickel, iron, or cobalt catalyst
| 21 |
| 429528000 |
Including metal oxide catalyst
| 16 |
| 429525000 |
Including palladium catalyst | 5 |
| 20110097650 | Catalyst composition, method for fabricating the same and fuel cell including the same - The present invention relates to a catalyst composition, a method for fabricating the same and a fuel cell including the same. The catalyst composition provided by the present invention includes: a catalyst carrier; and a metal solid solution, disposed on the surface of the catalyst carrier, in which the metal solid solution includes palladium and a second metal, and the second metal is selected from the group consisting of gold, platinum, ruthenium, nickel, silver and manganese. Accordingly, the catalyst composition provided by the present invention can exhibit excellent catalytic characteristics, and can be applied in a fuel cell to enhance the electrochemical properties and stability of the fuel cell. | 04-28-2011 |
| 20120028171 | ELECTRODE CATALYST AND METHOD OF PREPARING ELECTRODE CATALYST FOR FUEL CELL, AND MEMBRANE ELECTRODE ASSEMBLY AND FUEL CELL INCLUDING SAME - An electrode catalyst for a fuel cell, a membrane electrode assembly including the electrode catalyst, and a fuel cell including the electrode catalyst. The electrode catalyst has excellent electrochemical activity compared to the currently commercially available Pt/C catalyst and is much cheaper than a catalyst using platinum. The electrode catalyst includes tungsten carbide having a specific surface area of about 10 to about 30 m | 02-02-2012 |
| 20130177839 | REDUCTION CATALYST COMPRISING PALLADIUM-GOLD ALLOY - Provide is a reduction catalyst, which comprises conductive carbon and a palladium-gold alloy supported on the carbon, wherein the alloying degree of said alloy is 50 to 100%. This palladium-supported catalyst has an excellent reduction ability, and exhibits a high conversion ratio and preferably an excellent selectivity when used for hydrogenation reaction. The reduction catalyst is useful as a catalyst for oxygen reduction or as a catalyst for hydrogenation. The catalyst for oxygen reduction is useful as a cathode electrode catalyst for polymer electrolyte fuel cells. The cathode electrode catalyst can be used for a cathode electrode for polymer electrolyte fuel cells. | 07-11-2013 |
| 20150030967 | METAL FINE PARTICLE ASSOCIATION AND METHOD FOR PRODUCING THE SAME - There is provided a metal fine particle association suitably applied to an electrode catalyst to achieve even higher output leading to reduction in amount of the catalyst used, and a process for producing the same, that is, a metal fine particle association including a plurality of metal fine particles that have a mean particle diameter of 1 nm to 10 nm and are associated to form a single assembly, an association mixture including the metal fine particle association and a conductive support; a premix for forming an association, including metal fine particles, a metal fine particle dispersant made of a hyperbranched polymer, and a conductive support; and a method for producing the association mixture. | 01-29-2015 |
| 20160118671 | Cathode Electrocatalyst and Fuel Cell - The present invention is related to fuel cells and fuel cell cathodes, especially for fuel cells using hydrogen peroxide, oxygen or air as oxidant. A supported electrocatalyst ( | 04-28-2016 |
| 429526000 |
Including rhodium, ruthenium, or osmium catalyst | 2 |
| 20130230794 | COMPLEX OXIDES FOR CATALYTIC ELECTRODES - A catalytic electrode may include a complex oxide deposited on a substrate. The complex oxide maybe an oxide of an alloy of ruthenium and another less expensive metal, including without limitation cobalt and manganese. The percentage of ruthenium in the complex oxide can be reduced to about 20 percent or less, while still allowing the electrode to maintain adequate electrocatalytic activity during redox reactions at the electrode. Electrodes can be synthesized using RuCo oxides with ruthenium content reduced to about 5%, or using RuMn oxides having ruthenium content reduced to about 10%, while maintaining good catalytic activity. These electrodes may be used in electrochemical cells including without limitation fuel cells, flow batteries and regenerative fuel cells such as halogen fuel cells or hydrogen-halogen fuel cells. These electrodes may also be used in electrolytic cells. | 09-05-2013 |
| 20150311536 | NANOSTRUCTURED WHISKER ARTICLE - In one aspect, the present disclosure describes a first article comprising nanostructured whiskers having a first layer thereon comprising an organometallic compound comprising at least one of Ru or Ir. Optionally, the first layer further comprises an complex comprising at least one of Ru or Ir. Typically, the article includes at least one or more additional layers (e.g., a second layer comprising at least one of metallic Ir, Ir oxide, or Ir hydrated oxide on the first layer). Articles described herein are useful, for example, in fuel cell catalysts (i.e., an anode or cathode catalyst). | 10-29-2015 |
| 429529000 |
Having electrolyte matrix or barrier layer | 1 |
| 20110183238 | FUEL CELL - The present invention provides a fuel cell which is capable of improving electric power generation efficiency at a time of high-temperature operation. The fuel cell | 07-28-2011 |
| Entries |
| Document | Title | Date |
|---|
| 20100136463 | ELECTROCHEMICAL DEVICE AND METHODS FOR ENERGY CONVERSION - The present invention relates to an electrochemical device. The device features an anode constructed of materials such that the device can be chemically recharged. In addition, the device is capable of switching between operating as a fuel cell or as a battery. The switch can occur without cessation of electrical output. In certain aspects of the invention, the device is capable of operating at a temperature of less than 1000° C. Other aspects feature a liquid anode which allows higher output, dispersion of fuel and minimal stresses in an interface comprising the anode. Preferably the anode is a liquid at a temperature of less than 1000° C. The invention also relates to methods for energy conversion in which a continual electrical output can be produced in both the presence of fuel without anode consumption or the absence of fuel. | 06-03-2010 |
| 20100151362 | PARTICULATE CARBON CARRYING FINE PARTICLE THEREON, PROCESS FOR PRODUCTION THEREOF, AND ELECTRODES FOR FUEL CELLS - There are provided carbon particles supporting thereon fine particles of a perovskite type composite oxide, which can be used as a substitute for the existing platinum-supporting carbon particles or platinum metal particles commonly used in electrocatalysts for fuel cells, and which are significantly reduced in the amount of platinum to be used in comparison with the existing platinum-supporting carbon particles, and a process for manufacturing the same carbon particles. | 06-17-2010 |
| 20100151363 | FUEL CELL - In a fuel cell that includes an electrolyte ( | 06-17-2010 |
| 20100159363 | ELECTROCHEMICAL CELLS FOR ENERGY HARVESTING - A device having a positive electrode, a negative electrode, and an ion-conducting electrolyte in contact with both electrodes. Each electrode has a metal, a metal oxide, a hydrous metal oxide, alloy thereof, or mixture thereof, however, the electrodes are different such materials. The positive electrode is capable of storing and donating ions and electrons and reducing oxygen. The negative electrode is capable of storing and donating ions and electrons and oxidizing hydrogen. The electrolyte permits transport of oxygen and hydrogen. The device can charge using ambient hydrogen and oxygen. It can be discharged as an electrochemical capacitor or be operated in a fuel cell mode. | 06-24-2010 |
| 20100159364 | FUEL CELL CATHODES - The present invention relates to a method of producing a fuel cell cathode, fuel cell cathodes, and fuel cells comprising same. | 06-24-2010 |
| 20100167176 | MANUFACTURING APPARATUS AND METHOD FOR FUEL CELL ELECTRODE MATERIAL ASSEMBLY, AND FUEL CELL - Provided is a manufacturing apparatus ( | 07-01-2010 |
| 20100178595 | FUEL CELL ELECTRODE - A hydrogen-oxygen fuel cell including an electrolyte sandwiched between two catalyst layers or sheets, each catalyst layer or sheet being in contact with a porous electrode, in which one or several catalyst layers or sheets and one or several electrode layers or sheets interpenetrate. | 07-15-2010 |
| 20100196800 | HIGH EFFICIENCY FUEL CELL SYSTEM - A fuel cell comprises an anode comprising an anode catalyst, a cathode comprising a gas diffusion electrode and a cathode catalyst on the gas diffusion electrode, a microfluidic channel contiguous with the anode, and a liquid comprising fuel in the channel. The concentration of the fuel in the liquid is 0.05-0.5 M. | 08-05-2010 |
| 20100209822 | ULTRA-LIGHT BIPOLAR PLATE FOR FUEL CELL - Disclosed is a bipolar plate for a fuel cell, including: a non-conductive anode membrane on which a fuel flow channel is formed; a non-conductive cathode membrane on which an air flow channel is formed; a non-conductive separation membrane that is provided between the anode membrane and the cathode membrane to separate them from each other so that the fuel and the air are not mixed; and a metal unit that provides a current moving path allowing charge to be moved from the anode membrane to the cathode membrane via the separation membrane when the anode membrane, the separation membrane and the cathode membrane are stacked sequentially. More specifically, each of the anode membrane, the cathode membrane and the separation membrane is glass, preferably, photosensitive glass. | 08-19-2010 |
| 20100221644 | FUEL CELL AND ELECTRONIC APPARATUS - A fuel cell is provided having excellent performance and being capable of achieving a sufficient buffer ability in a high-output operation when an enzyme is immobilized on at least one of a positive electrode and a negative electrode and of sufficiently exhibiting the ability inherent in the enzyme. A biofuel cell includes a structure in which a positive electrode and a negative electrode are opposed to each other with an electrolyte layer containing a buffer material provided therebetween, an enzyme being immobilized on at least one of the positive electrode and the negative electrode. The electrolyte layer contains as the buffer material a compound including an imidazole ring. As the compound including an imidazole ring, imidazole, 1-methylimidazole, 2-methylimidazole, 4-methylimidazole, 2-ethylimidazole, or the like is used. | 09-02-2010 |
| 20100233585 | Nanowire-based membrane electrode assemblies for fuel cells - The present invention discloses nanowires for use in a fuel cell comprising a metal catalyst deposited on a surface of the nanowires. A membrane electrode assembly for a fuel cell is disclosed which generally comprises a proton exchange membrane, an anode electrode, and a cathode electrode, wherein at least one or more of the anode electrode and cathode electrode comprise an interconnected network of the catalyst supported nanowires. Methods are also disclosed for preparing a membrane electrode assembly and fuel cell based upon an interconnected network of nanowires. | 09-16-2010 |
| 20100233586 | TUBE-TYPE FUEL CELL - It is an assignment to provide a fuel cell whose battery performance is high, whose gas sealing performance of fuel gas and oxidizing-agent gas can be improved by means of an opposite-end construction of a single cell | 09-16-2010 |
| 20100233587 | TITANIUM ELECTRODE MATERIAL AND SURFACE TREATMENT METHOD OF TITANIUM ELECTRODE MATERIAL - It is an object of the present invention to provide a titanium electrode material which is low in cost and is excellent in electric conductivity, corrosion resistance and hydrogen absorption resistance, and a surface treatment method of a titanium electrode material. A titanium electrode material includes: on the surface of a titanium material including pure titanium or a titanium alloy, a titanium oxide layer having a thickness of 3 nm or more and 75 nm or less, and having an atomic concentration ratio of oxygen and titanium (O/Ti) at a site having the maximum oxygen concentration in the layer of 0.3 or more and 1.7 or less; and an alloy layer including at least one noble metal selected from Au, Pt, and Pd, and at least one non-noble metal selected from Zr, Nb, Ta, and Hf, having a content ratio of the noble metal and the non-noble metal of 35:65 to 95:5 by atomic ratio, and having a thickness of 2 nm or more, on the titanium oxide layer. The surface treatment method of a titanium electrode material includes a titanium oxide layer formation step, an alloy layer formation step, and a heat treatment step. | 09-16-2010 |
| 20100248085 | Flow field plate of a fuel cell with airflow guiding gaskets - The present invention relates to a flow field plate of a fuel cell with airflow guiding gaskets, comprising a flat plate and airflow guiding gaskets. Each side of the flat plate has a reaction area, which includes a plurality of ribs and a plurality of grooves. Two airflow guiding gasket are respectively covered on the two sides of the flat plate, and a central hollowed region of each airflow guiding gasket is corresponding to the reaction area. An inlet hole of the flat plate communicates with the hollowed region and each inlet of the grooves through an inlet trough of the airflow guiding gasket. An outlet hole of the flat plate communicates with the hollowed region and each outlet of the grooves through an outlet trough of the airflow guiding gasket. Thus, the present invention is capable of significantly reducing the volume of the fuel cell and lowering the weight. | 09-30-2010 |
| 20100323279 | FUEL CELL SIMULATOR AND FUEL CELL - Disclosed is a fuel cell simulator for predicting the power generation performance of a fuel cell including a membrane-electrode assembly having an electrolyte membrane, a catalyst layer, and a diffusion layer. The fuel cell simulator includes a model creation unit for modeling a catalyst layer from the geometry and property data of the catalyst layer, and a calculation unit for calculating the power generation state distribution of the catalyst layer or macro physical property values by using the catalyst layer model and establishing simultaneous equations of gas transportation, water production-transportation phase change, electrical conduction, heat conduction, and catalytic reaction. | 12-23-2010 |
| 20110014549 | DIRECT ELECTRON TRANSFER USING ENZYMES IN BIOANODES, BIOCATHODES, AND BIOFUEL CELLS - Bioanodes, biocathodes, and biofuel cells comprising an electron conductor, at least one anode enzyme or cathode enzyme, and an enzyme immobilization material. The anode enzyme is capable of reacting with a fuel fluid to produce an oxidized form of the fuel fluid, and capable of releasing electrons to the electron conductor. The cathode enzyme is capable of reacting with an oxidant to produce water, and capable of gaining electrons from the electron conductor. The enzyme immobilization material for both the anode enzyme and the cathode enzyme is capable of immobilizing and stabilizing the enzyme, and is permeable to the fuel fluid and/or the oxidant. | 01-20-2011 |
| 20110039192 | STRUCTURAL REINFORCEMENT OF MEMBRANE ELECTRODES - A catalyst ink composition for a fuel cell electrode is provided. The catalyst ink composition includes a plurality of electrically conductive support particles; a catalyst formed from a finely divided precious metal, the catalyst supported by the conductive support particles; an ionomer; at least one solvent; and a reinforcing material configured to bridge and distribute stresses across the electrically conductive support particles of the ink composition upon a drying thereof. An electrode for a fuel cell and a method of fabricating the electrode with the catalyst ink composition are also provided. | 02-17-2011 |
| 20110053049 | PROCESS FOR PRODUCING FUEL CELL CATALYSTS, AND FUEL CELL CATALYST - The invention provides processes for producing fuel cell catalysts that are not corroded in acidic electrolytes or at high potential and have excellent durability and high oxygen reducing ability. | 03-03-2011 |
| 20110070528 | Carbon Based Bipolar Plate Coatings for Effective Water Management - A flow field plate for fuel cell applications includes a metal with a carbon layer disposed over at least a portion of the metal plate. The carbon layer is overcoated with a silicon oxide layer to form a silicon oxide/carbon bilayer. The silicon oxide/carbon bilayer may be activated to increase hydrophilicity. The flow field plate is included in a fuel cell with a minimal increase in contact resistance. Methods for forming the flow field plates are also provided. | 03-24-2011 |
| 20110097649 | CARRIER AND ADHESION AMOUNT MEASURING APPARATUS, AND MEASURING METHOD, PROGRAM, AND RECORDING MEDIUM OF THE SAME - The present invention measures a quantity of attachment (such as density) of a material (such as catalyst and promoter) attached to a carrier. A carrier | 04-28-2011 |
| 20110123907 | ELECTRODE, AN ELECTROCHEMICAL DEVICE AND METHOD THEREOF - The invention provides an electrode and an electrochemical device including the electrode. The electrode comprises a spatial confining structure such as grooves and an active compound such as glucose oxidase (GOx). The grooves spatially confines GOx, and stabilizes its enzymatic activity. Also provided is a method of stabilizing the activity of an active compound such as GOx. The invention can be widely used in development of an energy-generation device such as a fuel cell, a memory, an electrochemical reactor, a supercapacitor, a biosensor and a medical device thereof such as artificial pancreas, and a sensor such as detector of redox reactant. | 05-26-2011 |
| 20110143263 | Catalyst Layer Having Thin Film Nanowire Catalyst and Electrode Assembly Employing the Same - According to at least one aspect of the present invention, a fuel cell catalyst layer is provided. In one embodiment, the fuel cell catalyst layer includes first spaced apart strands extending longitudinally in a first direction, second spaced apart strands extending longitudinally in a second direction, the first and second spaced apart strands collectively defining openings bounded by an adjacent pair of the first spaced apart strands and an adjacent pair of the second spaced apart strands, a number of wires extending longitudinally in a third direction from one of the first and second spaced apart strands, and a catalyst contacting at least a portion of the plurality of wires. | 06-16-2011 |
| 20110143264 | STRUCTURE AND MANUFACTURING METHOD FOR FUEL CELL ELECTRODE - A structure of fuel cell electrode comprises a diffusion layer having a surface, a conductive particle layer formed on the surface of the diffusion layer and a catalyst layer. The conductive particle layer has a plurality of conductive particles and a concavo-convex surface being composed of the conductive particles. The catalyst layer is formed on the concavo-convex surface of the conductive particle layer. | 06-16-2011 |
| 20110177431 | FUEL CELL MODULE - A tubular fuel cell module having improved current collecting efficiency. In one embodiment, the fuel cell module includes: a fuel cell unit; a first current collector extending along an outer side of the fuel cell unit; and a second current collector wound around the first current collector and around the outer side of the fuel cell unit. Here, the outer side of the fuel cell unit is a curved outer side, the first current collector has a curved inner side facing the curved outer side of the fuel cell unit, and the curved inner side of first current collector is shaped to match the curved outer side of the fuel cell unit. | 07-21-2011 |
| 20110189589 | COMPOSITE POROUS CATALYSTS - A composite catalyst for a chemical reaction includes a porous metal catalyst that catalyzes a plurality of reactants to provide a reaction product, and a reaction-enhancing material disposed within pores defined by the porous metal catalyst. The reaction-enhancing material enhances attraction of at least one reactant of the plurality of reactants into the pores defined by the porous metal catalyst and enhances expulsion of the reaction product from the pores defined by the porous metal catalyst. A fuel cell according to an embodiment of the current invention has a first electrode, a second electrode spaced apart from the first electrode, and an electrolyte arranged between the first and the second electrodes. The at least one of the first and second electrodes is at least one of coated with or comprises a composite catalyst. A method of producing a composite catalyst includes providing a metal alloy, de-alloying the metal alloy to provide a porous metal catalyst that catalyzes a plurality of reactants to provide a reaction product, and adding a reaction-enhancing material to the porous metal catalyst such that the reaction-enhancing material is disposed within pores defined by the porous metal catalyst. | 08-04-2011 |
| 20110200914 | HIGH POWER DIRECT OXIDATION FUEL CELL - A high power density direct oxidation fuel cell (DOFC) with comprising an anode electrode with a microporous layer (MPL) configured to alleviate cathode dryout and thus reduce electrode resistance in the cathode that interfaces with a hydrocarbon membrane. The MPL is configured to alleviate cathode dryout by comprising a fluoropolymer and an electrically conductive material, wherein the MPL is loaded with fluoropolymer in the range from about 10 to about 25 wt. %. | 08-18-2011 |
| 20120009503 | FUEL CELL ELECTRODES WITH CONDUCTION NETWORKS - A fuel cell electrode layer may include a catalyst, an electronic conductor, and an ionic conductor. Within the electrode layer are a plurality of electronic conductor rich networks and a plurality of ionic conductor rich networks that are interspersed with the electronic conductor rich networks. A volume ratio of the ionic conductor to the electronic conductor is greater in the ionic conductor rich networks than in the electronic conductor rich networks. During operation of a fuel cell that includes the electrode layer, conduction of electrons occurs predominantly within the electronic conductor rich networks and conduction of ions occurs predominantly within the ionic conductor rich networks. | 01-12-2012 |
| 20120094217 | FUEL CELL BODY, FUEL CELL UNIT, FUEL CELL STACK, AND FUEL CELL DEVICE INCLUDING EACH OF THEM - A fuel cell unit ( | 04-19-2012 |
| 20120107727 | FUEL CELL MODULE AND MANUFACTURING METHOD OF THE SAME - A fuel cell module and a method of manufacturing the same. A fuel cell module including a unit cell in which a first electrode layer, an electrolyte layer, and a second electrode layer are sequentially laminated, wherein one of the first electrode layer and the second electrode layer includes a first region coated with a first electrode material layer having a first ionic conductivity, a second region coated with a second electrode material layer having a second ionic conductivity, and a third region coated with a third electrode material layer having a third ionic conductivity, and a method of manufacturing the same are provided. A temperature gradient difference of a unit cell is reduced so that more uniform performance of the unit cell may be achieved. The fuel cell module may be driven at low temperature and durability thereof may be improved. | 05-03-2012 |
| 20120115071 | SYSTEM FOR CONVERTING ENERGY WITH AN ENHANCED ELECTRIC FIELD - An energy conversion system, including a first and second electrodes with an inter-electrode gap therebetween that includes a functional medium, wherein the first electrode is made of at least one elongate electrically conductive media having a total length L, a curved cross-section, and a radius R, and arranged into a sturdy assembly structure having a more or less open pattern, capable of having the same electric potential at any location and thus of constituting said first electrode. Where R is lower than 40×10-6 m the inter-electrode gap has a thickness of between 1×10-9 m and 5×10-3 m, the total length L of the electrically conductive media of the first electrode is greater than 1×103 m, and the ratio L/R is greater than 106 such that the first electrode generates a significant increase in the electric field perceived by the second electrode. | 05-10-2012 |
| 20120219882 | METHOD FOR PREPARING NANOPOROUS PT/TIO2 COMPOSITE PARTICLES - The present invention provides a method for preparing nanoporous Pt/TiO | 08-30-2012 |
| 20120237853 | NANODEVICES FOR GENERATING POWER FROM MOLECULES AND BATTERYLESS SENSING - A nanoconverter or nanosensor is disclosed capable of directly generating electricity through physisorption interactions with molecules that are dipole containing organic species in a molecule interaction zone. High surface-to-volume ratio semiconductor nanowires or nanotubes (such as ZnO, silicon, carbon, etc.) are grown either aligned or randomly-aligned on a substrate. Epoxy or other nonconductive polymers are used to seal portions of the nanowires or nanotubes to create molecule noninteraction zones. By correlating certain molecule species to voltages generated, a nanosensor may quickly identify which species is detected. Nanoconverters in a series parallel arrangement may be constructed in planar, stacked, or rolled arrays to supply power to nano- and micro-devices without use of external batteries. In some cases breath, from human or other life forms, contain sufficient molecules to power a nanoconverter. A membrane permeable to certain molecules around the molecule interaction zone increases specific molecule nanosensor selectivity response. | 09-20-2012 |
| 20120264038 | PLATE PROCESSING - A method of processing a linked series of metallic plates, in which each plate ( | 10-18-2012 |
| 20120301816 | METHOD OF PREPARING CARBON THIN FILM, AND ELECTRONIC DEVICE AND ELECTROCHEMICAL DEVICES EACH INCLUDING THE CARBON THIN FILM - A method of preparing a carbon thin film, and an electronic device and an electrochemical device that include the carbon thin film. | 11-29-2012 |
| 20120321995 | System and Method for Selective Deposition of A Catalyst Layer for PEM Fuel Cells Utilizing Inkjet Printing - In one embodiment, a method for forming electrodes on a substrate has been developed. The method includes operating a first plurality of printheads to eject a first ink onto a first portion of the substrate and operating a second plurality of printheads to eject a second ink onto a second portion of the substrate. The first ink includes a proton transport material and an electron transport material, and the second ink includes the proton transport material, the electron transport material, and a catalyst. | 12-20-2012 |
| 20130004884 | SLURRY FOR FUEL CELL ELECTRODE CATALYST LAYER, ELECTRODE CATALYST LAYER, MEMBRANE ELECTRODE ASSEMBLY, AND FUEL CELL - The present invention has an object to solve the problem by providing a fuel cell electrode catalyst layer with ease capable of exhibiting good output property on both low-humidified and high-humidified conditions, in a fuel cell electrode. The problem is solved in slurry including at least electrolytes, catalyst particles, and solvents, the solvents include two or more types of solvents and the two or more types of solvents cause a phase separation. | 01-03-2013 |
| 20130157174 | Electrocatalysts For Carbon Dioxide Conversion - Electrocatalysts for carbon dioxide conversion include at least one catalytically active element with a particle size above 0.6 nm. The electrocatalysts can also include a Helper Catalyst. The catalysts can be used to increase the rate, modify the selectivity or lower the overpotential of electrochemical conversion of CO | 06-20-2013 |
| 20130302721 | DENDRITIC METAL NANOSTRUCTURES FOR FUEL CELLS AND OTHER APPLICATIONS - Embodiment of the present invention relate to dendrimers useful for application as catalysts, in particular as improved electrocatalysts for polymer electrolyte membrane fuel cells (PEM-FCs). Methods of preparing such catalysts are described. Examples include dendritic nanostructured metal catalysts, such as platinum and platinum-alloy catalysts. | 11-14-2013 |
| 20140065517 | GAS DIFFUSION ELECTRODES FOR METAL-OXYGEN CELLS AND THEIR PRODUCTION - The invention relates to gas diffusion electrodes for rechargeable electrochemical metal-oxygen cells, which comprise at least one porous support and one or more layers which are applied to one side of the porous support and comprise at least one catalyst for a metal-oxygen cell, wherein at least one function-relevant parameter changes continuously or discontinuously with increasing distance from the porous support in the catalyst-comprising layer or layers. | 03-06-2014 |
| 20140087289 | PARTICULATE CARBON CATALYST AND METHOD FOR PRODUCING SAME - A particulate carbon catalyst in which particles having a particle diameter of 20 nm-1 μm account for a volume fraction of at least 45%, and the content of nitrogen atoms is 0.1-10 atomic % relative to the amount of carbon atoms. | 03-27-2014 |
| 20140134521 | CARBON MATERIAL, METHOD OF MANUFACTURING THE SAME, AND ELECTROCHEMICAL CELL USING THE SAME - A carbon material of an embodiment includes: a columnar structure in which a carbon compound having a graphene skeleton is laminated, the graphene skeleton whose some of carbon atoms are substituted with nitrogen atoms. In the carbon material, a graphene skeleton surface of the carbon compound is inclined at an angle of 5 degrees or more and 80 degrees or less with respect to a column axial direction of the columnar structure. | 05-15-2014 |
| 20140193745 | SUBSTRATE SURFACE STRUCTURED WITH THERMALLY STABLE METAL ALLOY NANOPARTICLES, A METHOD FOR PREPARING THE SAME AND USES THEREOF, IN PARTICULAR AS A CATALYST - The invention relates to a method for preparing a substrate surface structured with thermally stable metal alloy nanoparticles, which method comprises—providing a micellar solution of amphiphilic molecules such as organic diblock or multiblock copolymers in a suitable solvent; —loading the micelles of said micellar solution with metal ions of a first metal salt; —loading the micelles of said micellar solution with metal ions of at least one second metal salt; —depositing the metal ion-loaded micellar solution onto a substrate surface to form a (polymer) film comprising an ordered array of (polymer) domains; co-reducing the metal ions contained in the deposited domains of the (polymer) film by means of a plasma treatment to form an ordered array of nanoparticles consisting of an alloy of the metals used for loading the micelles on the substrate surface. The invention also provides a nanostructured substrate surface obtainable by said method as well as the use of said nanostructured substrate surface as a catalyst. | 07-10-2014 |
| 20140205930 | CATALYST PRODUCTION METHOD, ELECTRODE CATALYST FOR FUEL CELL PRODUCED BY THIS METHOD, AND CATALYST PRODUCTION APPARATUS - A method for producing a catalyst supporting a metal or an alloy on a support, including: independently controlling a temperature of a first supercritical fluid to be first temperature, the first supercritical fluid containing a precursor of the metal or precursor of the alloy that is dissolved in a supercritical fluid; independently controlling a temperature of the support to be a second temperature higher than the temperature of the first supercritical fluid; and supplying the first supercritical fluid controlled to the first temperature to the support, to cause the metal or the alloy to be supported on the support. | 07-24-2014 |
| 20140212790 | Plate-Shaped Catalyst Product and Method for Manufacturing Same - The present disclosure provides a catalyst product having particular three-dimensional plate-like shape and comprising catalyst nanoparticles and a method for manufacturing same. The present product may be useful in fuel cells or battery applications. In certain embodiments the present catalysts show good catalytic activity and durability even at low catalyst loads. | 07-31-2014 |
| 20140220477 | Polymers, substrates, methods for making such, and devices comprising the same - The present invention relates generally to substrates for making polymers and methods for making polymers. The present invention also relates generally to polymers and devices comprising the same. | 08-07-2014 |
| 20140255822 | POLYMER-DERIVED CATALYSTS AND METHODS OF USE THEREOF - Electrocatalytic polyaniline-derived mesoporous carbon nanoparticles and methods of synthesizing and using the same are provided. | 09-11-2014 |
| 20140315120 | SUBSTRATE WITH APPROXIMATELY VERTICALLY ALIGNED CARBON NANOTUBES - An object of the present invention is to provide a substrate with approximately vertically aligned carbon nanotubes, the carbon nanotubes configured to have excellent transferability and be able to transfer a carbon nanotube layer that is more uniform in thickness than ever before. Disclosed is a substrate with approximately vertically aligned carbon nanotubes, wherein the carbon nanotubes are approximately vertically aligned on the substrate, and wherein, at the substrate side rather than the middle part of the longitudinal direction of the carbon nanotubes, there is a part where the number density of the carbon nanotubes in an approximately parallel plane to the substrate, is smaller than that in other parts. | 10-23-2014 |
| 20140322630 | Method for Enhancing Current Throughput in an Electrochemical System - An electrochemical system with reduced limiting-current behavior is disclosed. The electrochemical system is useful for fuel cells and bio-sensors. In part, the invention relates a method of reducing or eliminating limiting-current behavior in the operation electrochemical systems, in particular those with ion-selective membrane or electrochemical electrodes, by spatially reducing the convection near the membrane or the electrode. The invention further relates to electrochemical systems in which micropores, microarrays or pillar arrays are used to reduce convection in comparison to conventional systems without microarrays, micropores or pillar arrays. | 10-30-2014 |
| 20140377689 | ELECTRODE FOR FUEL CELL, MANUFACTURING METHOD OF ELECTRODE FOR FUEL CELL, POLYMER ELECTROLYTE FUEL CELL AND CATALYST INK - An electrode ( | 12-25-2014 |
| 20150010850 | ELECTROCHEMICAL DEVICE - Embodiments of electrochemical devices are provided herein. In some embodiments, an electrochemical device may include a housing having an inner volume; a first outer electrode disposed within the inner volume and on a first side of the housing; a second outer electrode disposed within the inner volume on a second side of the inner volume opposite the first side; a first inner electrode disposed between the first outer electrode and the second outer electrode; and a second inner electrode disposed between the first inner electrode and the second outer electrode. | 01-08-2015 |
| 20150017570 | Noble Metal-Based Electrocatalyst and Method of Treating a Noble Metal-Based Electrocatalyst - A noble metal-based electrocatalyst comprises a bimetallic particle comprising a noble metal and a non-noble metal and having a polyhedral shape. The bimetallic particle comprises a surface-segregated composition where an atomic ratio of the noble metal to the non-noble metal is higher in a surface region and in a core region than in a sub-surface region between the surface and core regions. A method of treating a noble metal-based electrocatalyst comprises annealing a bimetallic particle comprising a noble metal and a non-noble metal and having a polyhedral shape at a temperature in the range of from about 100° C. to about 1100° C. | 01-15-2015 |
| 20150037711 | METHOD FOR FABRICATING CORE-SHELL PARTICLES AND CORE-SHELL PARTICLES FABRICATED BY THE METHOD - The present application provides a method for fabricating core-shell particles, including: forming a first solution by adding a first metal salt and a first surfactant to a first solvent; forming core particles including a first metal included in the first metal salt by adding a first reducing agent to the first solution; forming a second solution by adding the core particles, a second metal salt, and a second surfactant to a second solvent; and forming core-shell particles by adding a second reducing agent to the second solution and forming shells on the surface of the core particle, in which the first surfactant and the second surfactant are polyoxyethylene, polyoxyethylene sorbitan monolaurate or polyoxyethylene oleyl ether, and core-shell particles fabricated by the method. | 02-05-2015 |
| 20150099214 | Physically Functionalized Graphene Hybrid Composite (GHC) and its Applications - Certain exemplary embodiments can provide a graphene hybrid composite (GHC). The GHC can be formed between specific nano carbon materials and graphene generated via pyrolysis of solid carbon sources. A Raman spectrum of the GHC can show a major 2D band at approximately 2650 cm | 04-09-2015 |
| 20150318553 | COMPOSITE MATERIAL, METHOD OF PRODUCTION THEREOF, SYSTEM PRODUCED THEREFROM AND APPLICATION OF SAME - A material composite includes a coating material having particles and a base material, wherein 1) the base material contains on its surface depressions which lead to a reduced thickness of the base material at the position of the depressions, 2) the depressions are deviations from a smooth plane surface of the base material, and 3) geometrical dimensions and/or shapes of the particles and the depressions are similar or match such that one or more particles fully or partially fit geometrically into the individual depressions or penetrate adheringly by a force and/or energy so firmly that the adhesion is at least partially based on mechanical forces between particles and base material. | 11-05-2015 |
| 20160010228 | ELECTROCATALYST FOR HYDROGEN EVOLUTION AND OXIDATION REACTIONS | 01-14-2016 |
| 20160087285 | PRODUCTION METHOD FOR FINE METAL PARTICLES, PRODUCTION METHOD FOR FUEL CELL ELECTRODE CATALYST, SUPPORTED FINE METAL PARTICLE CATALYST, AND FUEL CELL ELECTRODE CATALYST - Provided is a method for efficiently manufacturing fine metal particles applicable as a fuel cell electrode catalyst. Provided is a method of manufacturing fine metal particles, including the step of: a hydrogen bubbling step to perform bubbling to a reaction solution, wherein: the reaction solution is prepared by allowing seeds of fine metal particles in a dispersed state and a water soluble noble metal precursor to co-exist in a water-containing solvent; and the bubbling is performed with a reaction gas containing a hydrogen gas, is provided. | 03-24-2016 |
| 20160093872 | METHOD FOR THE PRODUCTION OF ELECTRODES AND ELECTRODES MADE USING SUCH A METHOD - A method for the manufacturing of electrodes with at least one porous surfacial layer comprising anisotropic electrochemically active particles. It also relates to electrodes made using such a method. The method comprises the following steps: (a) coupling of paramagnetic nanoparticles to said active particles for the generation of composites; (b) preparation of a slurry of said composites, including a solvent mixed with a binder able to release a volatile component; (c) application of said slurry to a substrate to form a film; (d) application of a magnetic field to the film and orienting said active particles leading to a substrate in which said active particles are arranged with their shortest axes aligned along a preferred axis parallel to said substrate; (e) during or after application of said magnetic field evaporation of said solvent with solidification of the binder and release of said volatile component under formation of said surfacial layer. | 03-31-2016 |
| 20160118669 | BASE MATERIAL FOR GAS DIFFUSION ELECTRODE - The base material for a gas diffusion electrode of the present invention comprises a nonwoven fabric containing conductive fibers that contain conductive particles at least in the inside of an organic resin, and is characterized in that a specific apparent Young's modulus of the base material for a gas diffusion electrode is 40 [MPa/(g/cm | 04-28-2016 |
| 20160126560 | FUEL CELL ELECTRODE CATALYST AND METHOD FOR ACTIVATING CATALYST - The present invention addresses the problem of providing: a core-shell catalyst capable of achieving, when evaluated for a fuel cell, the catalytic activity anticipated from the catalyst activity value obtained using a rotating disc electrode (RDE); and a method for activating a core-shell catalyst in said manner. The present invention relates to a fuel cell catalyst, which is an electrode catalyst having a core-shell structure and is characterized in that at least 99% of the core member is covered by the shell member and the halogen content is not more than 5000 ppm. The present invention also relates to a method for activating said core-shell catalyst, the method comprising: a process for dispersing the core-shell catalyst in a dispersion solvent; a process for separating impurities from said core-shell catalyst by blowing a gas that has reducing properties or a mixed gas comprising same into said dispersion solvent; and a process for removing said impurities. | 05-05-2016 |
| 20160141630 | METHOD FOR FORMING NOBLE METAL NANOPARTICLES ON A SUPPORT - Provided is a method for forming noble metal nanoparticles on a support. In particular, the method includes heating precursors of the noble metal nanoparticles in a spiral glass tube reactor to reduce the precursors to form the noble metal nanoparticles on the support. | 05-19-2016 |
| 20160172683 | Impregnation Process Using a Bio-Templating Method for Nano-Catalyst Incorporation into the Electrodes of Solid-State Electrochemical Cells | 06-16-2016 |
| 20220140354 | FUEL CELL ELECTRODE WITH CATALYSTS GROWN IN SITU ON ORDERED STRUCTURE MICROPOROUS LAYER AND METHOD FOR PREPARING MEMBRANE ELECTRODE ASSEMBLY - A fuel cell electrode with catalysts grown in situ on an ordered structure microporous layer and a method for preparing a membrane electrode assembly (MEA) are disclosed. The fuel cell electrode includes an electrode substrate layer, a hydrophobic layer, an ordered structure hydrophilic layer and catalysts. The hydrophobic layer is prepared on the electrode substrate layer. The ordered structure hydrophilic layer is prepared on the hydrophobic layer. The catalysts are uniformly distributed on the ordered structure hydrophilic layer. | 05-05-2022 |
