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Chemistry: Electrical Current Producing Apparatus, Product, And Process > Fuel Cell, Subcombination Thereof Or Methods Of Operating > Catalytic Electrode Structure Or Composition > Having Organic Constituent As Part Of The Electrode Having Organic Constituent As Part Of The ElectrodeHaving Organic Constituent As Part Of The Electrode patent applications listed are from June 2005 to current and include Date, Patent Application Number, Patent Title, Patent Abstract summary and are linked to the corresponding patent application page.06/07/07 - 20070128501 - Chalcogen catalysts for polymer electrolyte fuel cell A methanol-tolerant cathode catalyst and a membrane electrode assembly for fuel cells that includes such a cathode catalyst. The cathode catalyst includes a support having at least one transition metal in elemental form and a chalcogen disposed on the support. Methods of making the cathode catalyst and membrane electrode assembly ... 06/07/07 - 20070128500 - Alkali fuel cell unaffected by carbonation An alkali fuel cell comprises a solid stack consisting of a first electrode, a solid membrane conducting hydroxide ions and a second electrode, each electrode comprising an active layer that is in contact with the solid membrane. The material forming the active layer of each electrode comprises at least a ... 05/31/07 - 20070122688 - Membrane electrode assembly for fuel cell and fuel cell system including the same The membrane-electrode assembly of the present invention includes an anode and a cathode facing each other, and a polymer electrolyte membrane interposed therebetween. At least one of the anode and the cathode includes an electrode substrate and a metal catalyst layer disposed thereon. The metal catalyst layer includes a metal ... 05/31/07 - 20070122687 - Carbon fiber nonwoven fabric, and production method and use thereof A carbon fiber nonwoven fabric comprising an aggregate of carbon microfibers having a fiber diameter of 0.001 to 2 μm and a production method thereof are provided. The nonwoven fabric is useful as a substrate, precursor and material for a fuel cell electrode. The nonwoven fabric can be mixed with ... 05/17/07 - 20070111085 - Electrocatalyst for fuel cell-electrode, membrane-electrode assembly using the same and fuel cell In An electrocatalyst for an electrode in a fuel cell, it comprises a support, a catalytic metal particle supported on the support, an intermediate made of a metal different from plutinu formed on the support, and a solid polymer electrolyte layer formed on the support. The catalytic metal particle is ... 05/17/07 - 20070111084 - Methanol tolerant catalyst material containing membrane electrode assemblies and fuel cells prepared therewith Methanol tolerant catalyst material containing membrane electrode assemblies and fuel cells prepared therewith are provided. A substrate is coated with an electrocatalyst coating composition that includes a methanol tolerant catalyst obtained by mixing together: (1) organometallic clusters containing (i) a carbonyl group or a cyclic unsaturated hydrocarbon ligand group, and ... 05/10/07 - 20070105004 - Direct oxidation fuel cell system and membrane electrode assembly thereof A membrane electrode assembly for a direct oxidation fuel cell includes a proton-conductive electrolyte membrane and an anode and a cathode sandwiching the electrolyte membrane. The equivalent weight of the proton-conductive substance contained in the catalyst layer of the anode is greater than the equivalent weight of the proton-conductive substance ... 05/03/07 - 20070099068 - Gas diffusion electrode, membrane-electrolyte assembly, polymer electrolyte fuel cell, and methods for producing these The invention provides a gas diffusion electrode that has an excellent ability to repel water so that reaction gas is rapidly supplied and removed, and excellent conductance so that the generated electricity is efficiently transferred, and provides a gas diffusion electrode, a membrane-electrolyte assembly, a polymer electrolyte fuel cell, and ... 05/03/07 - 20070099067 - Polymer catalyst composite as a membrane electrode assembly in direct methanol fuel cells A polymer catalyst composite is provided that can act as a membrane or a membrane electrode assembly in a direct methanol fuel cell. The polymer catalyst composite distinguishes two components. The first components is a conductive electro-active polymer and acts a catalyst support and an ion-exchange media. The second component ... 04/26/07 - 20070092784 - Gas diffusion cathode using nanometer sized particles of transition metals for catalysis A gas diffusion cathode for electrochemical cells provides higher power capability through the use of nano-particle catalysts. The catalysts comprise nanometer-sized particles of transition metals such as nickel, cobalt, manganese, iron, palladium, ruthenium, gold, silver, and lead, as well as alloys thereof, and respective oxides. These catalysts can substantially replace ... 04/19/07 - 20070087260 - Fuel cells with hydrophobic diffusion medium Diffusion media for use in PEM fuel cells are provided with silicone coatings. The media are made of a porous electroconductive substrate, a first hydrophobic fluorocarbon polymer coating adhered to the substrate, and a second coating comprising a hydrophobic silicone polymer adhered to the substrate. The substrate is preferably a ... 04/12/07 - 20070082253 - Metal-polymer composite catalysts A metal-polymer-carbon composite catalyst for use as a cathode electrocatalyst in fuel cells. The catalyst includes a heteroatomic polymer; a transition metal linked to the heteroatomic polymer by one of nitrogen, sulfur, and phosphorus, and a recast ionomer dispersed throughout the heteroatomic polymer-carbon composite. A membrane electrode assembly for fuel ... 03/29/07 - 20070072055 - Membrane-electrode assemblies for direct methanol fuel cells A catalyst ink for use in a fuel cell includes water, particles of a fluorocarbon polymer with a particle size of about 1 to about 12 microns, and a catalytic material. The ink may be applied to a substrate to form an electrode, or bonded with other electrode layers to ... 03/01/07 - 20070048592 - Composition, complex and method for enhancing catalysts utilization The present invention relates to a composition for enhancing the utilization of catalysts in fuel cell, comprising catalysts, proton-exchanged ionic polymers, and coupling agents. The coupling agents are bonded to the catalysts or catalyst carriers by a B1 functional group and bonded to the proton-exchanged ionic polymers by a B2 ... 01/25/07 - 20070020507 - Binder composition for fuel cell, membrane-electrode assembly for fuel cell, and method for preparing the membrane-electrode assembly The present invention relates to a binder composition for a fuel cell including a proton conductor and one or more binders selected from the group consisting of poly[2,2′-(m-phenylene)-5,5′-bibenzimidazole] (PBI), poly[2,5-benzimidazole] (ABPBI), polybenzoxazole (PBO), and polybenzothiazole (PBT). ... 01/18/07 - 20070015041 - Membrane-electrode assemblies Membrane-electrode assemblies are provided which have polymer electrolyte membranes capable of maintaining an adequately wet condition even at high temperatures and have superior generating properties. The membrane-electrode assembly includes an ion exchange resin membrane, an anode catalyst layer including catalyst-supported carbon and an ion exchange resin, and a cathode catalyst ... 01/18/07 - 20070015040 - Novel electrolytes to enhance oxygen reduction reaction (orr) in the cathode layer of pem fuel cell Improved polymer-based materials are described, for example for use as an electrode binder in a fuel cell. A fuel cell according to an example of the present invention comprises a first electrode including a catalyst and an electrode binder, a second electrode, and an electrolyte located between the first electrode ... 12/21/06 - 20060286434 - Electrically conductive cellulose composite An electrically conductive cellulose composite includes a cellulose matrix and an electrically conductive carbonaceous material incorporated into the cellulose matrix. The electrical conductivity of the cellulose composite is at least 10 μS/cm at 25° C. The composite can be made by incorporating the electrically conductive carbonaceous material into a culture ... 12/07/06 - 20060275648 - Catalyst composite material fuel cell, method for preparing the same, membrane-electrode assembly comprising the same, and fuel cell system comprising the same The present invention relates to a catalyst composite material which includes a catalyst characterized by oxygen-reducing activity and which is selected from the group consisting of metals, metal oxides, and combinations thereof, and a resin layer which covers at least a portion of the surface of the catalyst and comprises ... 11/30/06 - 20060269826 - Novel electrode with switchable and tunable power output and fuel cell using such electrode The present invention provides a novel electrode carrying on at least a portion of its support surface a hybrid polymer matrix (HPM), a catalyst that can catalyze a redox reaction and an optional electron mediator group that enhances the electrical contact between the HPM and the catalyst, the HPM being ... 11/09/06 - 20060251951 - Fuel cell and method for producing same An intermediate layer (161) is formed between a catalyst layer (112) and a solid polymer electrolyte membrane (114). The intermediate layer (161) contains a protonic acid group-containing aromatic polyether ketone and catalyst particles. ... 10/26/06 - 20060240313 - Gas diffusion layer paste, gas diffusion layer, polymer electrolyte fuel cell and method of preparing gas diffusion layer paste A polymer electrolyte fuel cell includes an electrolyte, a first electrode and a second electrode. The first electrode is provided with a catalyst layer which has a catalytic function, a conductive material and a water management layer which is conductive and which manages water moving between the catalyst layer and ... 10/26/06 - 20060240312 - Diffusion media, fuel cells, and fuel cell powered systems In at least certain embodiments, the present invention provides a diffusion media and fuel cells and systems employing the diffusion media. In at least one embodiment, the diffusion media comprises a porous matrix having an outer surface and a hydrophilic polymeric coating on at least a portion of the porous ... 09/28/06 - 20060216576 - Catalyst materials for fuel cells An improved direct liquid-feed fuel cell having a solid membrane electrolyte for electrochemical reactions of an organic fuel. Improvements in interfacing of the catalyst layer and the membrane and activating catalyst materials are disclosed. ... 09/14/06 - 20060204831 - Control parameters for optimizing mea performance A gradient of ionomeric material is generated, disposed, or otherwise provided in an electrode suitable for use in a fuel cell. The ionomer concentration, e.g., with respect to the carbon content of the catalyst layer (e.g., expressed as a ratio), is greatest in the area closest to the membrane, e.g., ... 08/31/06 - 20060194096 - Organic-inorganic hybrid material containing a mineral mesoporous phase and an organic phase, a membrane and fuel cell An organic-inorganic hybrid material comprising two phases: a first, mineral phase comprising a structured mesoporous network with open porosity; and a second, organic phase comprising an organic polymer, said organic phase being essentially not present inside the pores of the structured mesoporous network. Membrane and electrode comprising this material. Fuel ... 08/24/06 - 20060188772 - Noble metal nanoparticles, a process for preparing these and their use Nanoparticles which contain noble metals alone or noble metals in combination with base metals. The nanoparticles are embedded in an aqueous solution of a temporary stabilizer based on a polysaccharide. ... 07/27/06 - 20060166074 - Fuel cell electrode assembly A fuel cell electrode assembly includes an electrolyte, a porous diffusion layer, and a catalyst layer interposed between the electrolyte and the diffusion layer. The catalyst layer includes a mixture of one or more catalysts supported by a conducting high surface area structure(s), one or more polymeric electrolytes, and a ... 06/29/06 - 20060141337 - Fuel cell A fuel cell is provided having a positive electrode layer (13) and a negative electrode layer (14) disposed on the front and rear sides of an electrolyte membrane (12), for generating electricity by bringing hydrogen into contact with a catalyst in the negative electrode layer and bringing oxygen into contact ... 06/29/06 - 20060141336 - Electrode and electrolyte composite for fuel cell, and method for manufacture thereof An electrode having a thermoplastic resin having gas permiability and a metal (3b) supported in a three-dimensional matrix form; an electrolyte composite having an electrolyte membrane (1) and a pair of electrodes (3), the electrodes (3) comprising a porous thermoplastic resin having gas permiability and a metal (3b) supported in ... 06/15/06 - 20060127745 - Electrode and fuel cell wherein R1, R2, R3, and R4 are the same or different, and independently represent a hydrogen atom or C1-8 univalent hydrocarbon group, and m and n are independently an integer from 2 to 4; a fuel cell comprising the catalytic layer; and a fuel cell for bioimplantation whose surface is ... 06/08/06 - 20060121333 - Electrode for fuel cell, method for manufacturing the same, and fuel cell using the same Disclosed herein is an electrode for a fuel cell, comprising an ionic conductor containing a basic polymer and a strong acid, and a catalyst containing a noble metal. An example of the basic polymer includes polybenzimidazole. Examples of the strong acid include phosphoric acid and sulfuric acid. As a noble ... 05/11/06 - 20060099485 - Electrode for fuel cell, fuel cell including the electrode and process for producing the same An electrode for fuel cell, such as electrode for solid polymer fuel cell, having three-phase interfaces arranged therein in an efficient fashion so as to exhibit enhanced fuel cell characteristics. In particular, an electrode for fuel cell comprising a porous electro-conductive material carrying a catalyst and, arranged on the surface, ... 04/13/06 - 20060078784 - Gas diffusion electrode and method of making the same A gas diffusion electrode and method of making the same. According to one embodiment, the electrode comprises a support layer, a first cushioning layer positioned on top of the support layer, a second cushioning layer positioned on top of the first cushioning layer, and a catalyst layer positioned on top ... 04/13/06 - 20060078783 - Gas blocking anode for a direct liquid fuel cell An anode for a direct liquid fuel cell in which hydrogen gas is generated as a result of a fuel oxidation or decomposition reaction. The surface of the anode which is intended to face the electrolyte chamber of the fuel cell is substantially completely covered with a polymeric material which ... 03/30/06 - 20060068268 - Membrane and membrane electrode assembly with adhesion promotion layer This application relates to membrane electrode assemblies (MEA's) that contain an ion conducting adhesion promotion layer to promote structural stability at the interface of the PEM and catalyst layer within the MEA. ... 03/16/06 - 20060057452 - Electrode for fuel cell and fuel cell comprising same The present invention relates to an electrode for a fuel cell containing a catalyst layer, a gas diffusion layer including a conductive substrate, and a micro-porous layer interposed between the catalyst layer and the gas diffusion layer and including a conductive material and a dispersant. ... 03/16/06 - 20060057451 - Conductive polymer gel and process for producing the same actuator, patch label for ion introduction, bioeletrode, toner, conductive functional member antistatic sheet, printed circuit member, conductive paste, electrode for fuel cell, and fuel cell A conductive polymer gel contains water, as a main component, a conductive conjugated polymer, and a surfactant and/or an alcohol, and also it may contain an electrolyte. The conductive conjugated polymer may further be doped with a dopant. The conductive polymer gel is obtained by adding a surfactant and/or an ... 02/09/06 - 20060029858 - Diffusion media with hydrophobic and hydrophilic properties A diffusion medium for use in a PEM fuel cell contains hydrophobic and hydrophilic areas for improved water management. A hydrophobic polymer such as a fluororesin is deposited on the paper to define the hydrophobic areas, and an electroconductive polymer such as polyaniline or polypyrrole is deposited on the papers ... 01/19/06 - 20060014073 - Electrode for fuel cell, fuel cell comprising the same and method for making an electrode The present invention relates to an electrode for a fuel cell including a catalyst layer, a gas diffusion layer including a conductive substrate, and a micro-porous layer interposed between the catalyst layer and the gas diffusion layer and including a conductive material and a thickener. ... 01/12/06 - 20060008697 - Supported catalyst and fuel cell using the same A supported catalyst, an electrode including the catalyst, and a fuel cell using the electrode are provided. The supported catalyst comprises a carbon-based catalyst support, catalytic metal particles that are adsorbed onto a surface of the carbon-based catalyst support, and an ionomer that is chemically or physically adsorbed to the ... 12/29/05 - 20050287420 - Metallization of bacterial cellulose for electrical and electronic device manufacture A method for the deposition of metals in bacterial cellulose and for the employment of the metallized bacterial cellulose in the construction of fuel cells and other electronic devices is disclosed. The method for impregnating bacterial cellulose with a metal comprises placing a bacterial cellulose matrix in a solution of ... 12/08/05 - 20050271930 - Polymer electrolyte fuel cell and manufacturing method thereof A polymer electrolyte fuel cell comprises a catalyst layer; a cation exchange resin provided in the catalyst layer; a proton conductive path provided in the cation exchange resin; a carbon material provided in the catalyst layer; and a catalyst metal provided in the catalyst layer. 50 mass % or more ... 10/13/05 - 20050227138 - Polymer electrolyte fuel cell A polymer electrolyte fuel cell consists of plural units, and the unit has an anode side separator, an anode diffusion layer, an anode catalytic layer, polymer electrolyte membrane, a cathode catalytic layer, a cathode diffusion layer, and a cathode side separator. The cathode catalytic layer further includes a catalyst in ... 09/29/05 - 20050214629 - Perfluoroalkanesulfonic acids and perfluoroalkanesulfonimides as electrode additives for fuel cells Coating materials for coating the electrodes of a fuel cell are disclosed. In one embodiment, the coating materials comprise perfluoroalkanesulfonic acids having the general formula F3C—(CF2)n—SO3H, wherein n ranges from 8 to 17. In another embodiment, the coating materials comprise perfluoroalkanesulfonimides having the general formula CnF2n+1SO2NHO2SF2m+1Cm, wherein the sum of ... 08/25/05 - 20050186467 - Electrode for polymer electrolyte fuel cell An electrode for a polymer electrolyte fuel cell includes a polymer electrolyte membrane, and a catalyst layer provided at at least one side of the polymer electrolyte membrane. The catalyst layer is manufactured by application of a catalyst paste. The catalyst paste contains an electrolytic solution, in which electrolytes of ... 07/28/05 - 20050164072 - Durable membrane electrode assembly catalyst coated diffusion media with no lamination to membrane A technique for fabricating an MEA for a fuel cell that is prepared as a CCDM. The MEA includes a diffusion media layer having a microporous layer. A catalyst layer is deposited on the microporous layer so that it covers its entire surface. An ionomer layer is sprayed on the ... 07/21/05 - 20050158612 - Control of carbon coating microcrackings in fabrication of fuel cell gdl electrode layer(s) A coating for a gas diffusion layer (GDL) of a fuel cell or battery. The coating comprises a dispersion of carbon black, a fluoropolymer, and one of graphite and carbon particulates, in which the size of the particulates are substantially larger than the size of the particles of carbon black ... 07/07/05 - 20050147869 - Membrane electrode assembly, fuel cell using same and process for producing them It is an object of this invention to provide a high-performance membrane electrode assembly high in adhesiveness to proton-conductive aromatic polymer membrane, low in interfacial resistance and high in voltage-current performance, and a fuel cell using the same. This invention consists in a membrane electrode assembly equipped with an anode ... 07/07/05 - 20050147868 - Fuel cell A fuel cell comprising: (a) a solid polymer electrolyte film; (b) an anode layer, one surface of which contacting one surface of the solid polymer electrolyte film, and fuel being supplied to the other surface of the anode layer; and (c) a cathode layer, one surface of which contacting the ... 06/16/05 - 20050130024 - Proton conductive composition and proton conductive membrane The invention provides a proton conductive membrane which, even when reduced in thickness, does not allow penetration of an electrode to prevent a short circuit between electrodes and which permits sufficient generating performance. A proton conductive composition capable of forming the membrane is also provided. The proton conductive composition includes ... 06/02/05 - 20050118493 - Gas diffusion electrode and method for its production A gas diffusion electrode for a PEM fuel cell includes a metallic catalyst, and an electrocatalyst layer having a polymer A for hydrophobicizing the electrocatalyst layer and a uniform thickness of between 3 to 40 μm, especially 25 μm. The polymer A content is less than 10% by weight based ... ### FreshPatents.com Support |