| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 429532000 | Having an inorganic matrix, substrate, or support | 75 |
| 20100159366 | LAYER-BY-LAYER ASSEMBLIES OF CARBON-BASED NANOSTRUCTURES AND THEIR APPLICATIONS IN ENERGY STORAGE AND GENERATION DEVICES - The embodiments described herein relate generally to methods, compositions, articles, and devices associated with layer-by-layer assembly and/or functionalization of carbon-based nanostructures and related structures. In some embodiments, the present invention provides methods for forming an assembly of carbon-based nanostructures on a surface. The carbon-based nanostructure assembly may exhibit enhanced properties, such as improved arrangement of carbon-based nanostructures (e.g., carbon nanotubes) and/or enhanced electronic and/or ionic conductivity and/or other useful features. In some cases, improved properties may be observed due to the attachment of functional groups to the surfaces of carbon-based nanostructures. Using methods described herein, formation of carbon-based nanostructure assemblies may be controlled to produce structures with enhanced properties. | 06-24-2010 |
| 20100167177 | Carbon nanofiber with skin-core structure, method of producing the same, and products comprising the same - This invention relates to carbon nanofiber having a skin-core structure containing pitch and polyacrylonitrile, to a method of producing the carbon nanofiber, and to a product including the carbon nanofiber. The carbon nanofiber includes polyacrylonitrile and pitch having different properties respectively constituting a skin layer and/or a core layer, with a diameter of 1 μm or less, and thus functions of the carbon nanofiber vary depending on change in composition thereof. | 07-01-2010 |
| 20100173228 | Nanotube and Carbon Layer Nanostructured Composites - The present invention relates to nanostructured composites comprising a nanotube network which is at least partially embedded within a carbon layer. The present invention particularly relates to conducting nanostructured composites for use in the fields of energy conversion, energy storage and also the biomedical field. The present invention also relates to a process via CVD of carbon onto a catalyst layer on a substrate. This abstract is intended as a scanning tool for purposes of searching in the particular art and is not intended to be limiting of the present invention. | 07-08-2010 |
| 20100209823 | POROUS CARBONIZED SUBSTRATE, ITS PREPARATION METHOD AND USES - A porous carbonized substrate and its preparation method and uses are provided. The porous carbonized substrate has an oxygen content ranging from about 1 wt % to about 13 wt % and a nitrogen content ranging from about 2 wt % to about 16 wt %, based on the total weight of the substrate. The porous carbonized substrate can be prepared by a method comprising the following steps: providing a fiber substrate containing one or more oxidized fibers, one or more polyamide fibers or a mixture thereof; and thermally treating the fiber substrate under an inert gas atmosphere, wherein the thermally treating step comprises putting the fiber substrate in the inert gas atmosphere and increasing the temperature of the inert gas atmosphere to an elevated temperature ranging from about 700° C. to about 2000° C. with a rate of from about 50° C./minute to about 300° C./minute. The porous carbonized substrate is used as a gas diffusion layer of a fuel cell. | 08-19-2010 |
| 20100216057 | CATALYST CARRIER AND FUEL CELL USING THE SAME - A catalyst carrier, being characterized in that a catalyst metal for promoting an oxidation-reduction reaction is carried on a vapor-grown carbon fiber having an average outer diameter of from 2 nm to 500 nm, which has been subjected to a crushing treatment so as to have a BET specific surface area of from 4 m | 08-26-2010 |
| 20100291473 | FABRICATION OF ELECTRODES WITH MULTIPLE NANOSTRUCTURED THIN CATALYTIC LAYERS - A method of making a reconstructed electrode having a plurality of nanostructured thin catalytic layers is provided. The method includes combining a donor decal comprising at least one nanostructured thin catalytic layer on a substrate with an acceptor decal comprising a porous substrate and at least one nanostructured thin catalytic layer. The donor decal and acceptor decal are bonded together using a temporary adhesive, and the donor substrate is removed. The temporary adhesive is then removed with appropriate solvents. Catalyst coated proton exchange membranes and catalyst coated diffusion media made from the reconstructed electrode decals having a plurality of nanostructured thin catalytic layers are also described. | 11-18-2010 |
| 20100297537 | ELECTROCHEMICAL CELL COMPRISING IONICALLY CONDUCTIVE MEMBRANE AND POROUS MULTIPHASE ELECTRODE - An electrochemical cell in accordance with one embodiment of the invention includes a first electrode containing a first phase intermixed with a second phase and a network of interconnected pores. The first phase contains a ceramic material and the second phase contains an electrically conductive material providing an electrically contiguous path through the first electrode. The electrochemical cell further includes a second electrode containing an alkali metal. A substantially non-porous alkali-metal-ion-selective ceramic membrane, such as a dense Nasicon, Lisicon, Li β″-alumina, or Na β″-alumina membrane, is interposed between the first and second electrodes. | 11-25-2010 |
| 20110008716 | FUEL CELL INCLUDING SUPPORT HAVING MESH STRUCTURE - Disclosed is a solid oxide fuel cell, which includes a support having a mesh structure, an anode layer formed on an outer surface of the support, an electrolyte layer formed on an outer surface of the anode layer, and a cathode layer formed on an outer surface of the electrolyte layer and also which is lightweight and enables current collection. | 01-13-2011 |
| 20110053052 | FUEL CELL COMPOSITE FLOW FIELD ELEMENT AND METHOD OF FORMING THE SAME - A composite flow field element, such as a separator plate used in a high temperature air-cooled fuel cell assembly, preferably includes a metal sheet substrate of non-uniform thickness, such as a mesh, and flexible graphite layers bonded to the metal mesh substrate by an electrically conductive bonding agent. | 03-03-2011 |
| 20110053053 | CELL HOLDER FOR FUEL CELL - A porous silicon wafer including, on its upper surface side, multiple recesses, this upper surface being coated with a porous silicon layer having pores smaller than those of the wafer bulk. | 03-03-2011 |
| 20110070530 | FUEL CELL - A solid oxide fuel cell including an electrode having a porous region bounded by a non-porous region. The electrode may include at least 51% titanium by weight. The electrode may be a structural member which supports one or more ceramic layers, at least one of the one or more ceramic layers being an electrolyte. The non-porous region creates a gas-tight seal which prevents direct combination of oxidant and fuel. The electrode may include at least one of: (i) other metals or metal salts, (ii) catalysts, and (iii) ceramic material within its pores for improved electrochemical efficiency. | 03-24-2011 |
| 20110123908 | METHOD FOR PREPARING NANO-SIZED METAL PARTICLES ON A CARBON SUPPORT - Disclosed is a method for preparing nickel or palladium nanoparticles supported on a carbon support. To a mixture solution wherein a stabilizer is dissolved in 1,2-propanediol, a carbon support is added to prepare a dispersion. Then, a precursor solution wherein a nickel or palladium precursor dissolved in 1,2-propanediol is mixed therewith and stirred. Then, nickel or palladium nanoparticles supported on the carbon support are prepared by reduction. The disclosed method for preparing nickel or palladium nanoparticles supported on a carbon support allows preparation of nanoparticles with narrow particle size distribution and good dispersibility through a simple process and the resulting nickel or palladium nanoparticles may be usefully applied, for example, as electrode materials of fuel cells. | 05-26-2011 |
| 20110123909 | METHOD FOR PRODUCING GOLD FINE PARTICLE-SUPPORTED CARRIER CATALYST FOR FUEL CELL, AND POLYMER ELECTROLYTE FUEL CELL CATALYST HAVING GOLD FINE PARTICLE - A method for producing a gold fine particle-supported carrier catalyst for a fuel cell, which reduces a gold ion in a liquid phase reaction system containing a carbon carrier by means of an action of a reducing agent, to reduce the gold ion, deposit, and support a gold fine particle on the carbon carrier, wherein a reduction rate of the gold ion is set within the range of 330 to 550 mV/h, and pH is set within the range of 4.0 to 6.0 to perform the reduction of the gold ion, deposition, and support of the gold fine particle. | 05-26-2011 |
| 20110129763 | SYNTHESIS METHODS OF CORE-SHELL NANOPARTICLES ON A CARBON SUPPORT - The present invention features a method for preparing core-shell nanoparticles supported on carbon. In particular, the present invention features a method for preparing core-shell nanoparticles supported on carbon, including: dispersing core nanoparticle powder supported on carbon in ethanol; adding a metal precursor which forms a shell and hydroquinone thereto; and mixing and reducing the same. Preferably, the disclosed method for preparing core-shell nanoparticles supported on carbon enables coating of transition metal nanoparticles including platinum on the surface of core metal nanoparticles at a monolayer level. Prepared core-shell nanoparticles of the present invention may be useful as catalysts or electrode materials of fuel cells. | 06-02-2011 |
| 20110151356 | Electrocatalyst for Oxygen Reduction with Reduced Platinum Oxidation and Dissolution Rates - The invention relates to platinum-metal oxide composite particles and their use as electrocatalysts in oxygen-reducing cathodes and fuel cells. The invention particularly relates to methods for preventing the oxidation of the platinum electrocatalyst in the cathodes of fuel cells by use of these platinum-metal oxide composite particles. The invention additionally relates to methods for producing electrical energy by supplying such a fuel cell with an oxidant, such as oxygen, and a fuel source, such as hydrogen. | 06-23-2011 |
| 20110171565 | Carbon nanofibers containing catalyst nanoparticles - The invention relates a method for synthesizing carbon nanofibers containing catalytic material particles characterized in that it comprises the following steps:
| 07-14-2011 |
| 20110200916 | CATALYTIC LAYER STRUCTURE FOR FUEL CELL - An object according to the present invention is to provide a catalyst layer for a fuel cell, which prevents the lowering of the performance due to the lack of oxygen in a high current density region and can provide a desired power, even when containing a small amount of catalyst particles. The catalyst layer for a fuel cell has a structure including: an electroconductive carrier made of a secondary particle which is formed by agglomerating a plurality of primary particles; catalyst particles which are dispersed on and carried by the electroconductive carrier; and an ionomer which covers the electroconductive carrier and the catalyst particles, wherein the catalyst particles have the particle quantity in a range of 0.05 mg/cm | 08-18-2011 |
| 20110200917 | ELECTRODE CATALYST FOR FUEL CELL - An electrode catalyst for a fuel cell, which is capable of maintaining power generation capacity for long periods and has good durability, is provided. The electrode catalyst for a fuel cell is produced by causing a high crystalline carbon carrier with a carbon crystallization degree ranging from 57% to 90% to support a catalytic metal. | 08-18-2011 |
| 20110256472 | Catalyst Slurry Composition for Fuel Cell Electrode, Catalytic Layer for Fuel Cell Electrode Using the Catalyst Slurry Composition, Method for Producing the Catalytic Layer and Membrane-Electrode Assembly Including the Catalytic Layer - Disclosed herein is a catalyst slurry composition for an electrode of a fuel cell. The catalyst slurry composition includes 100 parts by weight of an active metal, about 5 to about 30 parts by weight of a binder polymer, and about 6 to about 70 parts by weight of silica. Use of the catalyst slurry composition can provide control of the volume of pores accordingly can improve the performance of a fuel cell. | 10-20-2011 |
| 20110281205 | MESOPOROUS CARBON COMPOSITE CONTAINING CARBON NANOTUBE - Provided are a CNT-mesoporous silica composite, a CNT-mesoporous carbon composite, a supported catalyst using the CNT-mesoporous carbon composite as a support, and a fuel cell using the supported catalyst as the anode, cathode, or both anode and cathode. The CNT-mesoporous carbon composite is prepared using the CNT-mesoporous silica composite. The CNT-mesoporous carbon composite has a high electrical conductivity due to the CNTs contained therein, and thus, when the CNT-mesoporous carbon composite is used in an electrode of a fuel cell, the fuel cell has a remarkably improved performance relative to the conventional catalyst support which does not contain CNTs. | 11-17-2011 |
| 20110287341 | Cell for Solid Oxide Fuel Cell - [OBJECT] In an SOFC cell comprising a Cr-containing alloy or the like and an air electrode bonded together, the invention is to provide a cell capable of effectively restricting occurrence of Cr poisoning of the air electrode and capable also of effectively restricting occurrence of oxidation deterioration due to Cr depletion in the alloy or the like. | 11-24-2011 |
| 20110300471 | NANOPARTICLE COATED ELECTRODE AND METHOD OF MANUFACTURE - An electrode comprising a primary and secondary metal nanoparticle coating on a metallic substrate is prepared by dispersing nanoparticles in a solvent and layering them onto the substrate, followed by heating. The enhanced surface area of the electrode due to the catalytic nanoparticles is dramatically enhanced, allowing for increased reaction efficiency. The electrode can be used in one of many different applications; for example, as an electrode in an electrolysis device to generate hydrogen and oxygen, or a fuel cell. | 12-08-2011 |
| 20110311904 | BORON-DOPED DIAMOND COATED CATALYST SUPPORT - A catalyst support for an electrochemical system includes a high surface area refractory material core structure and boron-doped diamond. The BDD modifies the high surface area refractory material core structure. | 12-22-2011 |
| 20120009504 | ELECTRODES FOR FUEL CELLS - A method comprises creating an electrode by depositing alternating first and second layers on a substrate, and using the electrode to make a solid oxide fuel cell. The first layer comprises a metal, and the second layer comprises a non-metal, for example a ceramic material. The substrate may be moved between a first region containing the metal and substantially free of the non-metal, and a second region containing the non-metal and substantially free of the metal. The composition of the metal and/or the non-metal may be varied along the thickness of the layers. The deposited layers may be heated. A fuel cell may have a fuel cell electrode that comprises a substrate, and alternating first and second layers deposited on the substrate, where the first layer includes a metal and the second layer includes a non-metal. The fuel cell may be a solid oxide fuel cell. | 01-12-2012 |
| 20120021339 | SOLID OXIDE FUEL CELL AND MANUFACTURING METHOD THEREOF - Disclosed herein are a solid oxide fuel cell and a manufacturing method thereof. The solid oxide fuel cell includes: an anode layer, a cathode layer, and an electrolyte layer interposed between the anode layer and the cathode layer, wherein the anode layer includes: a conductive material; yttria stabilized zirconia (YSZ); and an oxide compound for forming a solid solution with the yttria stabilized zirconia. | 01-26-2012 |
| 20120082921 | Metal Air Battery Including a Composite Anode - Implementations and techniques for metal air batteries including a composite anode are generally disclosed. | 04-05-2012 |
| 20120082922 | COMPOSITE ELECTRODE MATERIAL AND METHOD OF PRODUCING THE SAME, NEGATIVE ELECTRODE FOR METAL-AIR BATTERY, AND METAL-AIR BATTERY - The present invention relates to a composite electrode material having a carbon base material and iron oxide particles mainly containing Fe | 04-05-2012 |
| 20120094218 | Ni Modified Ceramic Anodes for Direct-Methane Solid Oxide Fuel Cells - In accordance with certain embodiments of the present disclosure, a method for fabricating a solid oxide fuel cell is described. The method includes synthesizing a composition having a perovskite present therein. The method further includes applying the composition on an electrolyte support to form an anode and applying Ni to the composition on the anode. | 04-19-2012 |
| 20120122020 | SINGLE-WALLED CARBON NANOTUBE AND ALIGNED SINGLE-WALLED CARBON NANOTUBE BULK STRUCTURE, AND THEIR PRODUCTION PROCESS, PRODUCTION APPARATUS AND APPLICATION USE - This invention provides an aligned single-layer carbon nanotube bulk structure, which comprises an assembly of a plurality of aligned single-layer carbon nanotube and has a height of not less than 10 μm, and an aligned single-layer carbon nanotube bulk structure which comprises an assembly of a plurality of aligned single-layer carbon nanotubes and has been patterned in a predetermined form. This structure is produced by chemical vapor deposition (CVD) of carbon nanotubes in the presence of a metal catalyst in a reaction atmosphere with an oxidizing agent, preferably water, added thereto. An aligned single-layer carbon nanotube bulk structure, which has realized high purify and significantly large scaled length or height, its production process and apparatus, and its applied products are provided. | 05-17-2012 |
| 20120237855 | Fuel Cells with Improved Durability - A modified carbon-supported metal catalyst is disclosed which has durability and activity wherein the surface of the carbon support has been modified by the addition of silicon carbides or boron carbides made by calcination. This catalyst is used as a catalyzed electrode in fuel cells. | 09-20-2012 |
| 20120244457 | FUEL CELL ELECTRODE - The present invention provides an electrode for a polymer electrolyte membrane fuel cell. In one embodiment, a planar nanoporous or microporous metal foam or metal aerogel structure is provided, from which an electrode with a catalyst layer integrally formed by fixing a catalyst in the metal foam or metal aerogel is formed. | 09-27-2012 |
| 20120308917 | SURFACE ALLOYING OF STAINLESS STEEL - One aspect of the invention is a method of surface alloying stainless steel, In one embodiment, the method includes providing a stainless steel surface having an initial amount of iron and an initial amount of chromium; and preferentially removing iron from the stainless steel surface to obtain a surface having an amount of iron less than the initial amount of iron and an amount of chromium greater than the initial amount of chromium. Another aspect of the invention is a unitary stainless steel article. | 12-06-2012 |
| 20130011771 | SUPPORTED CATALYST - A supported catalyst includes a plurality of support particles that each include a carbon support and a layer disposed around the carbon support. The layer is selected from a metal carbide, metal oxycarbide, and combinations thereof. A catalytic material is disposed on the layers of the support particles. | 01-10-2013 |
| 20130034804 | HYBRID POROUS CARBON FIBER AND METHOD FOR FABRICATING THE SAME - Disclosed is a hybrid porous carbon fiber and a method for fabrication thereof. Such fabricated porous carbon fibers contain a great amount of mesopores as a porous structure readily penetrable by electrolyte. Accordingly, the hybrid porous carbon fibers of the present disclosure are suitable for manufacturing electrodes with high electric capacity. | 02-07-2013 |
| 20130040229 | METHOD OF MAKING COHESIVE CARBON ASSEMBLY AND ITS APPLICATIONS - Cohesive carbon assemblies are prepared by obtaining a functionalized carbon starting material in the form of powder, particles, flakes, loose agglomerates, aqueous wet cake, or aqueous slurry, dispersing the carbon in water by mechanical agitation and/or refluxing, and substantially removing the water, typically by evaporation, whereby the cohesive assembly of carbon is formed. The method is suitable for preparing free-standing, monolithic assemblies of carbon nanotubes in the form of films, wafers, discs, fiber, or wire, having high carbon packing density and low electrical resistivity. The method is also suitable for preparing substrates coated with an adherent cohesive carbon assembly. The assemblies have various potential applications, such as electrodes or current collectors in electrochemical capacitors, fuel cells, and batteries, or as transparent conductors, conductive inks, pastes, and coatings. | 02-14-2013 |
| 20130059232 | CATALYTIC METAL WITH NANOCUP OR NANORING STRUCTURE AND ELECTRODES USING THE SAME - Provided are an electrode including a nanostructure and a method of preparing the same, and more particularly, an electrode including a substrate, and a plurality of metal nanocups or nanorings spaced apart from one another and disposed on the substrate, and openings thereof are aligned above the substrate, and a method of preparing the electrode. An electrode of the present invention includes catalytic metal having a structure of the plurality of nanocups or nanorings and thus, an area, in which a reactant participating in an oxidation or reduction reaction is able to be in contact with catalytic metal, may become wider in comparison to that of a typical electrode having catalytic metal in the shape of a flat thin film. Accordingly, an efficiency of the oxidation or reduction reaction may be improved due to catalytic metal and eventually, a power generation efficiency of a cell may be improved. | 03-07-2013 |
| 20130236816 | METHOD FOR PRODUCING POROUS CARBON MATERIALS HAVING MESOPORES AND CATALYST SUPPORT FOR A FUEL CELL PRODUCED USING SAME - The present invention relates to a method for producing porous carbon materials comprising the following steps: (S1) forming carbon coatings on surfaces of ceramic nanoparticles; (S2) mixing carbon precursors and ceramic nanoparticles on which carbon coatings are formed in the step (S1); (S3) heat-treating the mixture of the ceramic nanoparticles having carbon coatings thereon and carbon precursors, prepared in the step (S2) to carbonize the mixture; and (S4) removing the ceramic nanoparticles from the material obtained in the step (S3). The method for producing porous carbon materials according to the present invention enables porous carbon materials in which mesopores are uniformly distributed, to be mass produced with low costs. The porous carbon materials having mesopores may be used as catalyst supports for fuel cells, and thus may be used in producing electrodes for fuel cells. | 09-12-2013 |
| 20130273460 | SPHERICAL, POROUS CARBON STRUCTURE AND A PRODUCTION METHOD THEREFOR - The present application relates to a spherical, porous structure which is formed using a mould taking the form of a spherical nanoparticle aggregate, and relates to a production method therefor. According to one aspect of the present application, the production method for the spherical, porous structure comprises: the use of a mould taking the form of a spherical nanoparticle-carbon precursor aggregate comprising a carbon precursor on the surfaces of a plurality of nanoparticles, formed by removing solvent from droplets comprising the carbon precursor and the plurality of nanoparticles. | 10-17-2013 |
| 20130330658 | FUEL CELL ELECTRODE HAVING POROUS CARBON CORE WITH MACROCYCLIC METAL CHELATES THEREON - The invention concerns a method for manufacturing of an electrocatalyst comprising a porous carbon support material, a catalytic material in the form of at least one type of metal, and macrocyclic compounds chemically bound to the carbon support and capable of forming complexes with single metal ions of said metal or metals, said method comprising the steps of: i) providing a template capable of acting as pore structure directing agent during formation of a highly porous electrically conducting templated carbon substrate, ii) mixing the template with one or several precursor substances of the catalytic material, the macrocyclic compounds and carbon, iii) exposing the mixture of the template and the precursor substances to a carbonization process during which the precursors react and transform the mixture into a carbonized template composite in which the carbon part of the composite is chemically bound to macrocyclic compounds present in complexes with the metal or metals. The invention also concerns an electrocatalyst for electrochemical reactions, a method for manufacturing of a membrane electrode assembly using such an electrocatalyst and to a fuel cell making use of such an electrocatalyst. | 12-12-2013 |
| 20140170531 | POWDER MIXTURE FOR LAYER IN A SOLID OXIDE FUEL CELL - The present disclosure relates to solid oxide fuel cells, and particularly raw powder materials which form a layer in a solid oxide fuel. The raw powder materials include an ionic conductor powder material; and an electronic conductor powder material. The ratio of an average particle diameter of the ionic conductor powder material to an average particle diameter of the electronic conductor powder material is greater than about 1:1, and an average particle diameter of at least one of the electronic conductor powder material or the ionic conductor powder material is coarse. | 06-19-2014 |
| 20140178801 | Electrochemical Device Including Amorphous Metal Oxide - In one or more embodiments, an electrochemical device includes a substrate having a substrate surface; an amorphous metal oxide layer supported on the substrate surface; and a noble metal catalyst supported on the amorphous metal oxide layer to form a catalyst layer. The amorphous metal oxide layer may contact only 25 to 75 percent of the substrate surface. The amorphous metal oxide layer may include less than 10 weight percent of crystalline metal oxide. In certain instances, the amorphous metal oxide layer is substantially free of crystalline metal oxide. | 06-26-2014 |
| 20140186748 | METHOD FOR PRODUCING ALLOY CATALYST FOR FUEL CELLS USING SILICA COATING - Disclosed is a method for producing an alloy catalyst supported on carbon, including the steps of: dispersing alloy particles into a mixed solution of water with alcohol, introducing a silica precursor thereto, and carrying out sol-gel reaction in the presence of a basic catalyst to obtain silica-coated alloy particles; supporting the silica-coated alloy particles onto a carbon carrier to obtain silica-coated alloy particles supported on carbon; heat treating the silica-coated alloy particles supported on carbon to increase an alloying degree; and removing silica coating by using inorganic base solution and a surfactant. The method for producing an alloy catalyst provides a high-quality and high-durability alloy catalyst by increasing the alloying degree of a catalyst through a heat treatment step, while forming a silica coating layer effectively on small alloy particles having a size of several nanometers to inhibit growth of the size of alloy particles. In addition, the catalyst may be used advantageously as an electrode for fuel cells. | 07-03-2014 |
| 20140212791 | FUEL ELECTRODE DOUBLING AS SUPPORT OF SOLID OXIDE FUEL CELL AND METHOD OF PRODUCING THE SAME - An object of the present invention is to provide a fuel electrode doubling as a support of a solid oxide fuel cell, whose conductivity and strength hardly lower through repetitive exposure to a reducing atmosphere/oxidazing atmosphere. Specifically, a fuel electrode | 07-31-2014 |
| 20140322632 | ELECTRODE FOR ELECTROCHEMISTRY AND MANUFACTURING METHOD FOR THE SAME - The present invention provides an electrode for electrochemistry with a high quality, in which the surface area of the polycrystalline conductive diamond layer is increased and the crystal plane is controlled. In addition, when the catalyst layer of electrode substance is coated on the polycrystalline conductive diamond layer, adherence between the two layers is increased to provide an electrode for electrochemistry with a high durability. The polycrystalline conductive diamond layer is held under an atmosphere of carbon dioxide at a temperature 400 degrees Celsius or higher but 1000 degrees | 10-30-2014 |
| 20140322633 | SOLID OXIDE FUEL CELL COMPRISING REACTION PREVENTING LAYER AND METHOD FOR MANUFACTURING SAME - The present invention relates to a solid oxide fuel cell which can improve the overall performance of the cell and obtain durability and reliability, and the invention provides a solid oxide fuel cell comprising a reaction preventing layer and a method for manufacturing the same, wherein an anode, an electrolyte, and a cathode are comprised, and a material which is formed between the electrolyte and the anode comprises 35-90 mol % of gadolinia-doped ceria (GDC) and 10-65 mol % metal oxide. | 10-30-2014 |
| 20140342270 | NOVEL CU-BASED CERMET MATERIALS FOR SOLID OXIDE FUEL CELLS - The present invention relates to a cermet body composition for the preparation of novel cermet materials to be used in solid oxide fuel cells. The cermet body composition comprises a ceramic component and a metallic component, wherein the ceramic component is in the range of 5% to 95% by wt of the cermet body. | 11-20-2014 |
| 20140349216 | STRUCTURE FOR ELECTRIC ENERGY STORAGE USING CARBON NANOTUBES - A composite electrode structure and methods of making and using thereof are disclosed. The structure has a metal substrate with a metal oxide layer. The average thickness of the metal oxide layer is less than 150 nm, and comprises at least a first metal and a second metal, wherein the first metal and the second metal are different elements. A plurality of carbon nanotubes is disposed on a first surface of the metal oxide layer. At least a portion of the carbon nanotubes are disposed such that one end of the carbon nanotube is positioned at least 5 nm below the surface of the metal oxide layer. | 11-27-2014 |
| 20140356767 | CARBON FIBER COMPOSITE, METHOD FOR PRODUCING SAME, CATALYST SUPPORT AND POLYMER ELECTROLYTE FUEL CELL - An improved catalyst support can be provided by a process for producing a carbon fiber composite which comprises: a step of subjecting metal fine particles of either at least one metal or a compound containing the metal to reductive deposition on fine cellulose having carboxyl groups on the crystal surface to make a composite composed of both the fine cellulose and the metal fine particles; and a step of carbonizing the fine cellulose of the composite to prepare a carbon fiber composite. The invention also relates to a carbon fiber composite made by the process, a catalyst support, and a polymer electrolyte fuel cell. | 12-04-2014 |
| 20150030968 | AEROGEL BASED ON DOPED GRAPHENE - The present invention relates to an aerogel based on doped graphene, a method for producing said aerogel and the use of said aerogel, for example, as an electrode or a catalyst. Furthermore, the present invention relates to electrodes, all solid-state supercapacitors (ASSS) or catalysts based on said aerogel. The present invention also relates to doped graphene, which can be obtained as an intermediate in the production of the aerogel based on doped graphene using graphene oxide as starting material. | 01-29-2015 |
| 20150064608 | SELF-SUPPORTED CATALYST AND METHOD FOR MANUFACTURING THE SAME - A catalyst consisting of structurally ordered mesoporous carbon containing a transition metal and a method for preparing the same are provided. The method for preparing the catalyst includes forming a mixture of a carbon precursor and structurally ordered mesoporous silica, carbonizing the mixture to form a composite, and removing mesoporous silica from the composite. | 03-05-2015 |
| 20150072269 | ELECTRODE ADDITIVE FOR FUEL CELL AND ITS SYNTHESIS METHOD - Disclosed is an electrode additive for a fuel cell and a synthesis method thereof. A synthesis method according to an exemplary embodiment of the present invention includes: producing a metal salt solution by dissolving metal salt in a solvent such as ethylene glycol; producing a carbon-metal salt suspension by distributing carbon in the metal salt solution; heating and cooling the carbon-metal salt suspension and then filtering out the carbon-supported metal powder; cleansing and drying the carbon-supported metal powder; and obtaining carbon-supported metal oxide powder by performing heat treatment on the carbon-supported metal powder at about 300-1000° C. by exposure to water vapor. | 03-12-2015 |
| 20150132684 | HIGHLY ACTIVE AND DURABLE FUEL CELL ELECTRO-CATALYST WITH HYBRID SUPPORT - A fuel cell includes: (1) an anode; (2) a cathode; and (3) an electrolyte disposed between the anode and the cathode. At least one of the anode and the cathode includes an electro-catalyst dispersed on a hybrid support, the hybrid support includes a first, carbon-based support and a second support different from the first, carbon-based support, and a weight percentage of the second support is at least 10% relative to a combined weight of the first, carbon-based support and the second support. | 05-14-2015 |
| 20150140476 | NANOPOROUS ELECTRODES AND RELATED DEVICES AND METHODS - High surface area electrodes formed using sol-gel derived monoliths as electrode substrates or electrode templates, and methods for making high surface area electrodes are described. The high surface area electrodes may have tunable pore sizes and well-controlled pore size distributions. The high surface area electrodes may be used as electrodes in a variety of energy storage devices and systems such as capacitors, electric double layer capacitors, batteries, and fuel cells. | 05-21-2015 |
| 20150318557 | Mechanochemical Synthesis for Preparation of Non-PGM Electrocatalysts - A method for preparing M—N—C catalytic material utilizing ball-milling with or without the addition of a sacrificial support. | 11-05-2015 |
| 20150357654 | SUPPORTED CATALYST - A supported catalyst includes a plurality of support particles that each include a carbon support and a layer disposed around the carbon support. The layer is selected from a metal carbide, metal oxycarbide, and combinations thereof. A catalytic material is disposed on the layers of the support particles. | 12-10-2015 |
| 20160093893 | CATHODE DEVICE FOR FUEL CELL - An electrode for a fuel cell is disclosed. More particularly, the electrode includes a porous substrate and nitrogen-doped graphene included in the substrate. A method for making the electrode is also disclosed. The method involves providing a porous substrate and forming nitrogen-doped graphene in the substrate. | 03-31-2016 |
| 20160108546 | LARGE-AREA SINGLE-CRYSTAL MONOLAYER GRAPHENE FILM AND METHOD FOR PRODUCING THE SAME - The present invention relates to a large-area single-crystal monolayer graphene film in which a graphene layer is formed on a single-crystal metal catalyst layer whose crystal plane orientation is (111) optionally on a substrate. In the large-area single crystal monolayer graphene film of the present invention, a single-crystal metal catalyst layer whose crystal plane orientation is (111) can be formed in the shape of a foil, plate, block or tube optionally on a substrate and a graphene layer is formed on the catalyst layer. The present invention also relates to a method for producing a large-area single-crystal monolayer graphene film whose crystal plane orientation is (111) by annealing and chemical vapor deposition of a metal precursor. According to the method of the present invention, a high-quality large-area graphene thin film applicable as a material for transparent electrodes, display devices, semiconductor devices, separation membranes, fuel cells, solar cells, and sensors can be produced on a commercial scale. | 04-21-2016 |
| 20160149229 | Novel Non-Platinum Metal Catalyst Material - The present invention relates to a novel non-platinum metal catalyst material for use in low temperature fuel cells and electrolysers and to fuel cells and electrolysers comprising the novel non-platinum metal catalyst material. The present invention also relates to a novel method for synthesizing the novel non-platinum metal catalyst material. | 05-26-2016 |
| 20160181621 | NON-PGM CATHODE CATALYSTS FOR FUEL CELL APPLICATION DERIVED FROM HEAT TREATED HETEROATOMIC AMINES PRECURSORS | 06-23-2016 |
| 20160197355 | METHOD FOR MANUFACTURING FUEL ELECTRODE SUPPORT FOR SOLID OXIDE FUEL CELL AND FUEL ELECTRODE SUPPORT FOR SOLID OXIDE FUEL CELL | 07-07-2016 |
| 429533000 | Sintered particles | 3 |
| 20120295184 | HIGH-POTENTIAL STABLE OXIDE SUPPORT FOR POLYMER ELECTROLYTE FUEL CELL - Disclosed is an oxide and/or nitride support for electrode catalysts, which is used for electrodes for polymer electrolyte fuel cells (PEFC). The support for electrode catalysts is an aggregation body of primary particles of oxide of at least one kind of metal selected from rare earths, alkaline earths, transition metals, niobium, bismuth, tin, antimony, zirconium, molybdenum, indium, tantalum, and tungsten, and the aggregation body is configured such that at least 80% of the metal oxide primary particles having a size of 5 nm to 100 nm aggregate and bind each other to form dendritic or chain structures each of which is made of 5 or more of the metal oxide primary particles. | 11-22-2012 |
| 20140051014 | METHOD FOR MANUFACTURING A SOLID OXIDE FUEL CELL ELEMENT BY LAYER-WISE BUILDUP AND SOLID OXIDE FUEL CELL ELEMENT - A method for manufacturing a solid oxide fuel cell element by layer-wise buildup wherein at least one section of the element is built up by carrying out a step that at least includes the following at least once: applying a layer section of a particulate ceramic material with predefined dimensions onto a base layer in a predefined area and heating the layer section by means of a heat source such that the particles of the ceramic material connect to one another within the predefined dimensions. The solid oxide fuel cell element manufactured with the method is realized in one piece, as well as highly compact, and has a low weight. | 02-20-2014 |
| 20140295326 | NITROGEN-DOPED TUNGSTEN CARBIDE STRUCTURE AND METHOD OF PREPARING THE SAME - A tungsten carbide structure includes tungsten carbide having a plate shaped structure and including a plurality of mesopores, a first carbon layer surrounding a surface of tungsten carbide and containing nitrogen, and a second carbon layer surrounding the first carbon layer and containing nitrogen. | 10-02-2014 |
| 429534000 | Including gas diffusion material or layer | 12 |
| 20110236799 | MANUFACTURING METHODS FOR AIR ELECTRODE - Methods of forming an air electrode of a metal-air battery are provided. One method includes forming a plurality of layers of the air electrode. The plurality of layers include an active layer and a gas diffusion layer. Forming at least one of the active layer or the gas diffusion layer includes forming a first sublayer having a first concentration of a first material and forming a second sublayer having at least one of a second concentration of the first material that differs from the first concentration or a second material that differs from the first material. In another embodiment, a method includes forming a layer of an air electrode such that a gradient of a material is formed in at least a portion of the layer by varying a concentration of the material deposited between a first portion of the layer and a second portion of the layer. | 09-29-2011 |
| 20120115072 | METALLIC POROUS BODY FOR FUEL CELL - The present invention provides a metallic porous body for a fuel cell, which includes a flat portion formed to be integrated with a gasket or a separator and a gasket, and thus the metallic porous body has improved handling and working properties and can be accurately and precisely stacked, thus improving the stability of cell performance, the air-tightness, and the productivity of a fuel cell stack. As such, the present invention provides a metallic porous body for a fuel cell including a porous portion, which is in contact with a reactive area of a membrane electrode assembly and corresponds to a reactive area of each unit cell, and a flat portion having a flat surface structure formed along outer edges of the metallic porous body other than the porous portion corresponding to the reactive area. | 05-10-2012 |
| 20120208106 | CATALYST INK PREPARATION FOR FUEL CELL ELECTRODE FABRICATION - Methods of fabricating gas diffusion electrodes and gas diffusion electrodes made from such methods are disclosed herein. One method of fabricating a gas diffusion electrode for a fuel cell comprises preparing a catalyst ink of a predetermined viscosity. Preparing the catalyst ink comprises mixing a catalyst solution comprising catalyst particles, an ionomer and a solvent at a first speed for a first period of time and homogenizing the catalyst solution at a second speed in a temperature controlled environment for a second period of time, wherein the second period of time is longer than the first period of time, the second period of time and the second speed selected to preserve a structure of the catalyst particles during homogenization. An active electrode layer is formed by spraying the catalyst ink directly on a gas diffusion layer in a single application and a uniform loading. | 08-16-2012 |
| 20120208107 | ELECTRODE FOR A MOLTEN CARBONATE FUEL CELL AND METHOD FOR THE PRODUCTION THEREOF - The invention relates to an electrode for a molten carbonate fuel cell, having an electrode framework and an active layer comprising pores which is applied to the electrode framework. According to the invention, the active layer contains at least one structure stabilizer. The invention also relates to a method for producing said type of electrode. | 08-16-2012 |
| 20140011118 | Carbon Substrate For Gas Diffusion Layer, Gas Diffusion Layer Using The Same, And Electrode For Fuel Cell, Membrane-Electrode Assembly And Fuel Cell Comprising The Gas Diffusion Layer - A carbon substrate for a gas diffusion layer that has a porosity gradient in a thickness direction thereof, a gas diffusion using the carbon substrate, an electrode and a membrane-electrode assembly for a fuel cell that include the gas diffusion layer, and a fuel cell including the membrane-electrode assembly having the gas diffusion layer are provided. The gas diffusion layer has improved water discharge ability and improved bending strength both in the machine direction and cross-machine direction. | 01-09-2014 |
| 20140045099 | SOLID OXIDE FUEL CELL ANODE WITH HIGH STABILITY AND HIGH EFFICIENCY AND METHOD FOR MANUFACTURING THE SAME - A nanostructured anode of solid oxide fuel cell with high stability and high efficiency and a method for manufacturing the same are revealed. This anode comprising a porous permeable metal substrate, a diffusion barrier layer and a nano-composite film is formed by atmospheric plasma spray. The nano-composite film includes a plurality of metal nanoparticles, a plurality of metal oxide nanoparticles, and a plurality of gas pores that are connected to form nano gas channels. The metal nanoparticles are connected to form a 3-dimensional network that conducts electrons, while the metal oxide nanoparticles are connected to form a 3-dimensional network that conducts oxygen ions. The network formed by metal oxide nanoparticles has certain strength to separate metal nanoparticles and prevent aggregation or agglomeration of the metal nanoparticles. Thus this anode can be applied to a solid oxide fuel cell operating in the intermediate temperatures (600˜800° C.) with high stability and high efficiency. | 02-13-2014 |
| 20140120457 | LAMINAR STRUCTURE AND A PRODUCTION METHOD FOR SAME - The present invention relates to a laminar structure which is used in a microporous layer, an electrode layer or the like of a membrane electrode assembly for a fuel cell, and also relates to a production method for same. The laminar structure is a laminar structure which is comprised in the membrane electrode assembly (MEA) of a polymer electrolyte membrane fuel cell (PEMFC), and comprises an electrosprayed layer which is formed by the lamination of electrospraying ink, that has been charged by means of an electric field, through an electrospraying process in which the electrospraying ink is dispersed and sprayed as electrospraying liquid droplets, and, in the electrospraying process, the electrospraying substance transmission mode is set in accordance with the adjustment of electrospraying process variables. When the present invention is employed, an optimal substance transmission route is formed and three dimensional structure control is allowed through the electrospraying process and/or an inkjet printing process, and thus it is possible to simultaneously ensure economic advantages and durability when producing a laminated structure which is used in a microporous layer, an electrode layer, or the like of a membrane electrode assembly for a fuel cell. | 05-01-2014 |
| 20140170532 | SOLID-OXIDE FUEL CELL - A configuration for preventing deformation of a solid oxide fuel cell is provided. A solid oxide fuel cell | 06-19-2014 |
| 20140315121 | METHOD FOR THE PREPARATION OF CATALYST-COATED MEMBRANES METHOD FOR THE PREPARATION OF CATALYST-COATED MEMBRANES - The present invention is directed to a method for preparing an integral 3-layer catalyst-coated membrane (CCM) for use in electrochemical cells, e.g. PEM (polymer-electrolyte membrane) fuel cells. The process comprising the steps of preparing a first catalyst layer on a supporting substrate, subsequently coating the first catalyst layer with an ionomer dispersion to form an ionomer layer (membrane), and applying a second catalyst layer on top of the ionomer layer. The ionomer dispersion applied in the membrane coating step has low viscosity in the range of 10 to 400 centipoises (cP) and an ionomer concentration in the range of 15 to 35 weight-%. With this method, CCMs with improved electrochemical performance and reduced cathode resistance are manufactured. | 10-23-2014 |
| 20150318558 | CARBON-FIBER NONWOVEN CLOTH AND GAS DIFFUSION ELECTRODE FOR POLYMER ELECTROLYTE FUEL CELL USING SAME, POLYMER ELECTROLYTE FUEL CELL, METHOD FOR MANUFACTURING CARBON-FIBER NONWOVEN CLOTH, AND COMPOSITE SHEET - Provided is a carbon-fiber nonwoven cloth with low resistance to gases or liquids passing through, and low resistance in the thickness direction to heat or electricity, which is particularly appropriate for a gas diffusion electrode of a polymer electrolyte fuel cell; the cloth having an air gap with a diameter of at least 20 μm, at least some of the carbon fibers being continuous from one surface to the other surface, and the apparent density being 0.2-1.0 g/cm | 11-05-2015 |
| 20150372332 | FUEL-CELL GAS DIFFUSION LAYER, AND METHOD OF PRODUCING SAME - A fuel cell gas diffusion layer includes:
| 12-24-2015 |
| 20170237079 | CARBON SHEET, GAS DIFFUSION ELECTRODE SUBSTRATE AND FUEL CELL | 08-17-2017 |
