Class / Patent application number | Description | Number of patent applications / Date published |
429530000 | Having organic component | 27 |
20100330462 | CORROSION RESISTANT MOLDED GRAPHITE PLATES FOR HIGHLY CORROSIVE ELECTROCHEMICAL DEVICES - A graphite plate for electrochemical devices produced from a mixture of solid thermosetting ether-based epoxy resin particles and graphite particles compression molded at room temperature and heated to a temperature greater than about 200° C. | 12-30-2010 |
20110065026 | FUEL CELL WITH CATALYST LAYER SUPPORTED ON FLOW FIELD PLATE - A fuel cell includes a plate system including a porous media having a surface that defines a plurality of channels configured to distribute gas throughout the plate system, and a catalyst layer in contact with the porous media. The porous media is configured to permit the gas to move from the channels, through the porous media, and to the catalyst layer. | 03-17-2011 |
20110217627 | COMPOSITION, METHOD OF PREPARING THE COMPOSITION, ELECTRODE INCLUDING THE COMPOSITION, AND FUEL CELL INCLUDING THE ELECTRODE - A composition containing a uniformly dispersed polyoxazine-based compound, a method of preparing the composition, an electrode including the composition, and a fuel cell including the electrode. | 09-08-2011 |
20110294044 | Novel Materials and Their Use for the Electrocatalytic Evolution or Uptake of H2 - Novel materials comprising a solid support, linker arms and metal-organic complexes, and their use for the electrocatalytic production and oxidation of H2. Such materials can be used for the production of electrodes in the field of electronics, and notably electrodes for fuel cells, electrolysers and photoelectrocatalytical (PEC) devices. | 12-01-2011 |
20120021338 | METHOD FOR PREPARING METAL CATALYST AND ELECTRODE - A method for preparing a metal catalyst includes a proton conductive material coating layer formed on the surface of a conductive material. Also, an electrode may be prepared using the metal catalyst. The method for preparing the metal catalyst comprises mixing the conductive catalyst material, the proton conductive material, and a first solvent, casting the mixture onto a supporting layer and drying the mixture to form a conductive catalyst containing film. The method further comprises separating the conductive catalyst containing film from the supporting layer and pulverizing the conductive catalyst containing film to obtain the metal catalyst. The method for preparing the electrode comprises mixing the metal catalyst with a hydrophobic binder and a second solvent, coating the mixture on an electrode support, and drying it. | 01-26-2012 |
20120164561 | Zinc Comprising Nanoparticles And Related Nanotechnology - Nanoparticles comprising zinc, methods of manufacturing nanoparticles comprising zinc, and applications of nanoparticles comprising zinc, such as electrically conducting formulations, reagents for fine chemical synthesis, pigments and catalysts are provided, and more particularly, a coating, comprising a nanomaterial composition comprising zinc and at least one metal other than zinc, wherein the at least one metal comprises an element that (a) has an oxidation state higher than an oxidation state of zinc and that (b) dopes zinc in the nanomaterial composition, and wherein the coating has an electrical conductivity greater than 0.0001 mhos·cm. | 06-28-2012 |
20120231375 | DIRECT OXIDATION FUEL CELLS WITH IMPROVED CATHODE GAS DIFFUSION MEDIA FOR LOW AIR STOICHIOMETRY OPERATION - A cathode for use in a direct oxidation fuel cell (DOFC) comprises a gas diffusion medium (GDM) including a backing layer and a microporous layer comprising a fluoropolymer and an electrically conductive material, wherein loading of the fluoropolymer in the microporous layer is in the range from about 10 to about 60 wt. %. In use, a concentrated solution of a liquid fuel is supplied to an anode and an oxidant to the cathode of the fuel cell, and the fuel cell may be operated at a low oxidant stoichiometry ξ | 09-13-2012 |
20120251925 | FLEXIBLE CARBON FIBER NONWOVEN FABRIC - Provided is a flexible carbon fiber nonwoven fabric which has resistance to bending, is flexible, and exhibits excellent processability. Said flexible carbon fiber nonwoven fabric is obtained by carbonizing a nonwoven fabric obtained by electrospinning a composition containing: an electrospinnable polymer substance, such as polyacrylonitrile resins; an organic compound, which is different from said polymer substance, such as phenol resins; and a transition metal. | 10-04-2012 |
20120251926 | Thin Film Catalyst With Heat-Extendable Wires - A 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, the wires including an organic material, and a catalyst contacting at least a portion of the plurality of wires. | 10-04-2012 |
20130040228 | SEALING OF A MEMBRANE ELECTRODE ASSEMBLY - A sealed and/or reinforced membrane electrode assembly is disclosed. Encapsulation films, each comprising a backing layer and an adhesive layer, are positioned on the edges of at least one face of each gas diffusion substrate such that the adhesive layers impregnate into each gas diffusion substrate. Methods of forming sealed and/or reinforced membrane electrode assemblies are also disclosed. | 02-14-2013 |
20130224633 | NANOSTRUCTURED CARBON ELECTRODE, METHODS OF FABRICATING AND APPLICATIONS OF THE SAME - Nanostructured carbon electrode usable for electrochemical devices and methods of fabricating the same. The method of fabricating a nanostructured carbon electrode includes providing a carbon material of large-effective-surface-area polyaromatic hydrocarbon (LPAH), mixing the carbon material of LPAH with a surfactant in a solution to form a suspension thereof; depositing the suspension onto a substrate to form a layered structure; and sintering the layered structure at a temperature for a period of time to form a nanostructured carbon electrode having a film of LPAH. | 08-29-2013 |
20140051013 | ION CONDUCTING NANOFIBER FUEL CELL ELECTRODES - The present invention is directed to methods of making a nanofiber-nanoparticle network to be used as electrodes of fuel cells. The method comprises electrospinning a polymer-containing material on a substrate to form nanofibers and electrospraying a catalyst-containing material on the nanofibers on the same substrate. The nanofiber-nanoparticle network made by the methods is suitable for use as electrodes in fuel cells. | 02-20-2014 |
20140080039 | SULFONATED SILICA-BASED ELECTRODE MATERIALS USEFUL IN FUEL CELLS - Sulfonated silane ionomeric materials useful in electrodes of e.g., membrane electrode assemblies (MEA) of fuel cells can improve cell performance. MEAs prepared with CCE cathode catalyst layers and standard ELAT anode layers over a period of several start-stop cycles, as well as at multiple relative humidities were studied. The MEA performance was monitored using cyclic voltammetry, electrochemical impedance spectroscopy, and fuel cell polarization curves. The CCE cathode materials appeared to maintain performance and had improved water management capabilities at comparatively low relative humidities. | 03-20-2014 |
20140205931 | CATHODE ELECTRODE MATERIAL - There is provided a fuel cell cathode electrode, comprising a porous skeletal medium, the surface of which medium is modified or otherwise arranged or constructed to induce enhanced activated behaviour, wherein the enhanced activated behaviour is induced by means of increasing the surface area for a given volume of the electrode and/or by increasing the number and/or availability of reactive sites on the electrode. A fuel cell having such a cathode electrode, a method of manufacturing such a cathode electrode, and use of such a cathode electrode in a fuel cell is also disclosed. | 07-24-2014 |
20140205932 | MANUFACTURING METHOD OF CATALYST INK, MANUFACTURING METHOD OF FUEL CELL, AND FUEL CELL - A catalyst ink for improving the performance of catalyst electrodes in a fuel cell is produced by the following procedure. A catalyst dispersion is prepared by dispersing catalyst-supported particles as conductive particles with a catalyst supported thereon in a solvent. A gel material having viscoelasticity is prepared by mixing an ionomer with a volatile solvent. A catalyst ink having a desired viscosity is produced by stirring and mixing the catalyst dispersion with the gel material. | 07-24-2014 |
20150024304 | CATALYST LAYER CONSTITUTING BODY AND METHOD FOR PREPARING CATALYST LAYER CONSTITUTING BODY - A catalyst layer constituting body which prevents runoff of a proton conductive polymer from a catalyst layer even when moisture is generated by an operation of a fuel cell. In a catalyst layer constituting body of a fuel cell where catalyst particles are carried on carbon, the catalyst particles are carried by way of a carrying layer constituted of two upper and lower layers, the upper layer of the carrying layer is formed by using a polymer having proton conductivity, the upper layer forming a proton conduction layer which conducts protons generated in the catalyst particles or protons to be supplied to the catalyst particles therethrough, and the lower layer of the carrying layer is formed using a polymer having affinity with both the proton conduction layer and the carbon, the lower layer forming an adhesive layer which bonds the proton conduction layer and the carbon to each other. | 01-22-2015 |
20150118600 | MICROPOROUS LAYER STRUCTURES AND GAS DIFFUSION LAYER ASSEMBLIES FOR ENHANCED WATER MANAGEMENT IN PROTON EXCHANGE MEMBRANE FUEL CELLS - A microporous layer forming a portion of a gas diffusion layer assembly positioned adjacent to a catalyst layer within a fuel cell electrode. The microporous includes a first carbon-based material layer comprising a plurality of hydrophobic pores with a diameter of 0.05 to 0.2 μm and a plurality of bores with a diameter of 1 to 20 μm. The microporous layer structures and gas diffusion layer assemblies disclosed herein may be defined by a number of various designs and arrangements for use in proton exchange membrane fuel cell systems. | 04-30-2015 |
20150147683 | NON-HUMIDIFIED FUEL CELL - A nonhumidified fuel cell is provided that includes a catalytic layer coupled to an anode or a cathode that is configured to accelerate an electrochemical reaction of a fuel gas or air, and a gas diffusion layer that has air pores diffusing the fuel gas or air to the catalytic layer and diffusing water generated by the electrochemical reaction with the fuel gas in the catalytic layer. In particular, a ratio of a volume of water to a volume of air pores of the gas diffusion layer ranges from about 0.1 to 0.4. | 05-28-2015 |
20150364770 | CARBON MATERIAL, FUEL CELL, AND METHOD FOR PRODUCING CARBON MATERIAL - A carbon material according to an embodiment contains: 2% by mass or more and 15% by mass or less of nitrogen and 0.3% by mass or more and 2.5% by mass or less of sulfur, and 40% by mass or more of the nitrogen is a graphitic nitrogen. | 12-17-2015 |
20160093892 | ELECTRODE FOR FUEL CELL AND METHOD FOR MANUFACTURING SAME - Provided are an electrode for fuel cell including a support with improved durability and capable of suppressing poisoning of catalyst particles by ionomer, and a method for manufacturing the same. The method at least includes: performing heat treatment of a support made of mesoporous carbon having a crystallite diameter Lc at 002 plane that is 1.5 nm or less, at 1,700° C. or more and less than 2,300° C.; supporting catalyst particles at least inside of the support subjected to the heat treatment; and applying ionomer to the support supporting the catalyst particles for coating. | 03-31-2016 |
429531000 | Organic catalyst | 7 |
20110217628 | CATALYST THIN LAYER AND METHOD FOR FABRICATING THE SAME - The catalyst thin layer consists of electronically conductive catalyst nano-particles embedded in a polymeric matrix. The ratio number of catalyst atoms/total number of atoms in the catalyst layer is comprised between 40% and 90%, more preferably between 50% and 60%. | 09-08-2011 |
20120100462 | ELECTRODE CATALYST FOR FUEL CELL AND USE THEREOF - To provide an economical fuel cell electrode catalyst which can be used in place of platinum as a simple substance or a platinum alloy and has easy-to-control catalytic power, a molecular metal complex is used as a fuel cell electrode catalyst which molecular metal complex is a mononuclear or multinuclear coordination compound that has a particular structure, that is not a polymer compound, and that does not have a layered structure. | 04-26-2012 |
20130244138 | Liquid compositions of fluorinated ion exchange polymers - A liquid composition comprising at least one aprotic organic solvent and at least one fluorinated ion exchange polymer which consists of recurring units derived from a chlorofluoroolefin of formula CF | 09-19-2013 |
20130260286 | OXYGEN REDUCTION CATALYST AND ELECTROCHEMICAL CELL - An oxygen reduction catalyst of an embodiment includes: a stack of single-layer graphenes; and a phosphorus compound, wherein some of carbon atoms of the graphenes are replaced by nitrogen atoms, and the phosphorus compound has a peak of phosphorus 2 | 10-03-2013 |
20140045098 | NON-PRECIOUS METAL CATALYSTS - A catalyst for oxygen reduction reaction (ORR) for a fuel cell was prepared by pyrolyzing a mixture of polyaniline, cyanamide, carbon black, and a non-precious metal salt under an inert atmosphere. The pyrolyzed product was treated to remove acid soluble components and then pyrolyzed again. The resulting powder was used to prepare a cathode for a membrane electrode assembly that was used in a fuel cell. When iron(III) chloride was used as the salt, the resulting catalyst was porous with a web-shaped structure. It displayed a maximum power density of 0.79 W/cm at 0.4 V in H | 02-13-2014 |
20150340705 | Non-Noble Metal Electrocatalysts for Oxygen Depolarized Cathodes and Their Uses - Highly anion resistant electrocatalysts suitable for catalyzing an oxygen reduction reaction (ORR) and methods of synthesizing the same are provided. The catalysts contain a transition metal, a heteroatom, and carbon. Preferred catalysts include N as the heteroatom and Fe as the transition metal, with active sites having Fe—N | 11-26-2015 |
20160104896 | METHOD OF MANUFACTURING ELECTRODE CATALYST LAYER FOR FUEL CELL, AND ELECTRODE CATALYST LAYER FOR FUEL CELL - There is provided a method of manufacturing an electrode catalyst layer for fuel cell. This manufacturing method comprises: (a) separating an ionomer solution by centrifugation into a supernatant that includes only an ionomer as a low molecular-weight component in the ionomer solution and a sediment including an ionomer as a high molecular-weight component having a higher molecular weight than that of the low molecular-weight component included in the supernatant; (b) using the ionomer included in the sediment as an ionomer for electrode catalyst layer and producing a catalyst ink that includes catalyst-supported particles with a catalyst metal supported thereon, a solvent and the ionomer for electrode catalyst layer; and (c) using the catalyst ink to form an electrode catalyst layer. | 04-14-2016 |