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| Number | Title | Issue Date |
| 6969565 | Solid oxide fuel cell stack and method of manufacturing the same A solid oxide fuel cell stack in which first and second cell plates are alternately stacked. The first cell plates comprises a substrate having a plurality of opening portions, a groove which extends through the plurality of opening portions formed on a lower surfac... | 11/29/2005 |
| 6967183 | Electrocatalyst powders, methods for producing powders and devices fabricated from same Electrocatalyst powders and methods for producing electrocatalyst powders, such as carbon composite electrocatalyst powders. The powders have a well-controlled microstructure and morphology. The method includes forming the particles from an aerosol of precursors by ... | 11/22/2005 |
| 6967039 | Untreated diffusion media with mesoporous layer and devices incorporating the same A diffusion media and a process for its fabrication are provided for addressing issues related to water management in electrochemical cells and other devices employing the diffusion media. In accordance with one embodiment of the present invention, a process for fab... | 11/22/2005 |
| 6964826 | Coated catalytic material with a metal phase in contact with a grain boundary oxide An industrial catalyst having: a support; a plurality of metallic particulates distributed throughout the support; and a metal at least partially covering the surface of the support. A method for making a catalyst including the steps of: forming a support wit... | 11/15/2005 |
| 6960402 | Perforated cylindrical fuel cells The invention relates to tubular fuel cells and methods of making such fuel cells. The inventive fuel cells include at least one fluid permeable structure having a plurality of perforations or channels. The perforations allow fluids, e.g., hydrogen or oxygen, to flo... | 11/01/2005 |
| 6960406 | Electrode utilizing fluorinated carbon A fluorinated carbon based gas diffusion layer for use in hydrogen and oxygen electrodes. The fluorinated carbon based gas diffusion layer provides for uniform distribution of hydrogen or oxygen across the electrode while maintaining a high level of hydrophobicity w... | 11/01/2005 |
| 6960407 | Fuel cell A fuel cell having high operation performance and reliability is provided by optimizing the shape and properties of a gas diffusion layer and the dimensions of a gas flow channel. The fuel cell evenly supplies a reaction gas to the catalyst of a catalyst layer and p... | 11/01/2005 |
| 6958308 | Deposition of dispersed metal particles onto substrates using supercritical fluids A method for producing dispersed metal particles on a substrate and the compositions produced is disclosed. A method for producing the particles comprises exposing an organometallic and a particulate substrate to supercritical or near supercritical fluid under condi... | 10/25/2005 |
| 6958196 | Porous electrode, solid oxide fuel cell, and method of producing the same The present invention generally relates to porous electrodes for use in solid oxide fuel cells, whereby the electrodes are comprised primarily of ceramic material and electronically conductive material. The electrodes are prepared by impregnating a porous ceramic ma... | 10/25/2005 |
| 6949304 | Fullerene-based electrolyte for fuel cells Proton conductive fullerene materials are incorporated in minor amounts into various polymeric materials to enhance the low relative humidity proton conductivity properties of the polymeric material. The resulting proton conductors may be used as polymer electrolyte... | 09/27/2005 |
| 6950729 | Portable fuel-cell-powered system with ultrasonic atomization of H2O by-product A portable electronic system which obtains power from a dry-electrolyte fuel cell. Water which is produced by the fuel cell is atomized by an ultrasonic transducer, to avoid user inconvenience due to reservoirs or dripping. ... | 09/27/2005 |
| 6949308 | Gas diffusion substrate A fuel cell gas diffusion substrate has primary fibres, secondary fibres and one or more thermoplastic polymers for binding the primary and secondary fibres, characterized in that the secondary fibers are in the form of carbon nanofibers, and a gas diffusion electro... | 09/27/2005 |
| 6946211 | Polymer electrolyte membrane fuel cells A method for preparing polybenzimidazole or polybenzimidazole blend membranes and fabricating gas diffusion electrodes and membrane-electrode assemblies is provided for a high temperature polymer electrolyte membrane fuel cell. Blend polymer electrolyte membranes ba... | 09/20/2005 |
| 6946214 | Manufacturing method of fuel cell electrode and fuel cell using thereof The fuel cell with excellent power generation performance and high reliability and a manufacturing method of a fuel cell electrode by which the flooding phenomenon is hard to be caused at a contact portion with a separator because of small contact resistance with th... | 09/20/2005 |
| 6942943 | Catalyst and/or electrolyte loaded plate and method of making same A loaded plate for use with or as part of a fuel cell of a fuel cell stack in which the loading material of the plate is in cord form. The loading material can be either an electrolyte or a catalyst and the cord form is realized by extruding the loading material on ... | 09/13/2005 |
| 6939637 | Method for solid oxide fuel cell anode preparation A method for preparation of an anode for a solid oxide fuel cell in which a plurality of zircon fibers are mixed with a yttria-stabilized zirconia (YSZ) powder, forming a fiber/powder mixture. The fiber/powder mixture is formed into a porous YSZ layer and calcined. ... | 09/06/2005 |
| 6939630 | Composite electrode for reducing oxygen A composite electrode for reducing oxygen that provides the quasi four-electron reduction at selectivity of nearly 100% is provided. The composite electrode includes an electrochemical catalyst A that produces hydrogen peroxide by reducing oxygen and a catalyst B th... | 09/06/2005 |
| 6939636 | Air cooled fuel cell module An air cooled fuel cell module is described and which includes an ion exchange membrane having opposite anode and cathode sides; an electrode borne by each of the anode and cathode sides; and a cathode heat sink positioned in heat removing relation relative to the c... | 09/06/2005 |
| 6939640 | Anode electrocatalysts for coated substrates used in fuel cells Disclosed are electrocatalyst compositions useful for fuel cells comprising tungsten and molybdenum carbides and/or oxycarbides, or their mixtures in combination with noble metals, such as platinum and ruthenium; and a metal selected from the group consisting of V, ... | 09/06/2005 |
| 6936362 | Variable pressure drop stack A fuel cell stack having a plurality of fuel cells arranged adjacent one another and compressed together. At least one of the fuel cells has an electrode plate with a flow field formed therein, a proton exchange membrane and a compressible fluid-permeable diffusion ... | 08/30/2005 |
| 6933071 | Solid polymer type fuel cell and production method thereof A polymer electrolyte fuel cell comprising a polymer electrolyte made of an ion exchange membrane, catalyst layers disposed on both sides thereof and current collectors disposed on the outer sides thereof, wherein a solvent-soluble fluorine-containing polymer (prefe... | 08/23/2005 |
| 6933570 | Semiconductor device equipped with fuel cell and method for producing the same A semiconductor device equipped with a fuel cell of the present invention includes a fuel cell and a semiconductor element, and the fuel cell includes an anode separator in which a flow channel for fuel is formed, a cathode separator in which a flow channel for oxid... | 08/23/2005 |
| 6932847 | Portable hydrogen generator A hydrogen generation system includes a fuel container, a spent fuel container, a catalyst system and a control system for generating hydrogen in a manner which provides for a compact and efficient construction while producing hydrogen from a reaction involving a hy... | 08/23/2005 |
| 6933067 | Fuel cell A polymer electrolyte fuel cell includes an electrode including a catalyst layer and a diffusion layer. The catalyst layer is divided into a plurality of portions including an upstream portion and a downstream portion along a reactant gas flow direction. The upstrea... | 08/23/2005 |
| 6930068 | Methanol reforming catalyst A methanol reforming catalyst that generates a reformed gas containing hydrogen by reforming methanol in the atmosphere containing oxygen and steam contains a metal oxide support and Pd—Zr alloy with which the metal oxide support is impregnated. The reforming cata... | 08/16/2005 |
| 6928893 | Method of making a gas diffusion media and quality controls for same The present invention discloses various methods in which a quality of a diffusion media for use in a fuel cell assembly can be qualitatively evaluated. The material constant, an internal contact angle, a ratio of high and low energy pores, and an external contact an... | 08/16/2005 |
| 6926983 | Polymeric membrane fuel cell stack An improved design of gas fed polymeric membrane fuel cell stack is herein described. The stack is provided with a humidifying device which takes advantage of the atomization of a water stream over a high specific surface metallic material, and with a cooling circui... | 08/09/2005 |
| 6926986 | Fuel cell with encapsulated electrodes A fuel cell utilizing parallel flow of a hydrogen stream, an oxygen stream, and an electrolyte solution with respect to the electrodes, while maintaining mechanical support within the fuel cell. The fuel cell utilizes encapsulated electrodes to maintain a high air f... | 08/09/2005 |
| 6924058 | Hydrodynamic transport and flow channel passageways associated with fuel cell electrode structures and fuel cell electrode stack assemblies Hydrodynamic transport and flow channel passage structures associated with fuel cell electrode structures and fuel cell electrode stack assemblies, as well as to methods relating thereto, are disclosed. More specifically, the present invention is directed to a novel... | 08/02/2005 |
| 6924057 | Electrochemical fuel cell with an electrode having an in-plane nonuniform structure In an improved electrochemical fuel cell assembly, a reactant flow path extends substantially linearly across the electrochemically active area of an electrode. The electrode has an in-plane nonuniform structure in its electrochemically active area as the active are... | 08/02/2005 |
| 6921602 | Fuel cell unit In order to provide a fuel cell unit, comprising a housing which limits at least one gas chamber and has a gas opening in a first housing wall and a gas opening in a second housing wall located opposite the first housing wall, the housing of which has an adequate de... | 07/26/2005 |
| 6921594 | Exhaust treatment and filtration system for molten carbonate fuel cells A filter system for adsorbing contaminants from an exhaust stream from a molten carbonate fuel cell including a filter substrate, a high surface area inorganic adsorbent secured to the filter substrate by an inorganic binder and an inorganic acid secured to the filt... | 07/26/2005 |
| 6921604 | DEVICE AND METHOD FOR EVALUATING PERFORMANCE OF FUEL CELLS, DEVICE AND METHOD FOR EVALUATING SPECIFIC SURFACE AREA OF FUEL-CELL ELECTRODE CATALYSTS, FUEL-CELL ELECTRODE CATALYST, AND METHOD OF MANUFACTURING THE SAME A device and a method for simply and accurately evaluating-performance of fuel cells have been provided. Hydrogen gas and carbon monoxide gas are caused to flow into a sample holder where an electrode catalyst sample is laid, and the amount of carbon monoxide gas di... | 07/26/2005 |
| 6921605 | Platinum-ruthenium-nickel fuel cell electrocatalyst A catalyst suitable for use in a fuel cell, especially as an anode catalyst, that contains platinum, ruthenium, and nickel, wherein the nickel is at a concentration that is less than about 10 atomic percent. ... | 07/26/2005 |
| 6918967 | Corrosion resistant austenitic alloy An austenitic alloy having improved ductility/processability and improved pitting and crevice corrosion resistance comprising, in % by weight, about: 25-30% Ni; 19-23% Cr; 6-8% Mo; 0.3-0.5% N; 0.5% Mn; 0-1.5% Cu; 0-0.2% C; 0-1% Al; 0-0.01% S; 0-1% Ti; 0-1% Si; up to... | 07/19/2005 |
| 6916575 | Polymer electrolyte type fuel cell In a polymer electrolyte fuel cell of the present invention, at least one of electrodes comprises conductive carbon carrying a platinum group metal catalyst, conductive carbon carrying no catalyst metal and a hydrogen ion-conductive polymer electrolyte. The preferab... | 07/12/2005 |
| 6913850 | Thin film modular electrochemical product and method of manufacture thereof A method of manufacturing a thin film electrochemical apparatus is disclosed. A near net shape ceramic element is molded including a planar base region and a plurality of tubular regions. The planar base region is infiltrated with a non-conductive material. Each of ... | 07/05/2005 |
| 6913846 | Integrated fuel cell system The invention provides a fuel cell system utilizing a shift reaction catalyst disposed within the fuel cell to reduce carbon monoxide present in the fuel stream. ... | 07/05/2005 |
| 6911278 | Electrode catalyst for fuel cell and process for producing the same An electrode catalyst for a fuel cell includes a conductive support, and catalytic particles loaded on the conductive support. The catalytic particles include platinum and a base metal being on the lower end of the electrochemical series with respect to platinum. Th... | 06/28/2005 |
| 6911412 | Composite particles for electrocatalytic applications Electrocatalyst powders and methods for producing electrocatalyst powders, such as carbon composite electrocatalyst powders. The powders have a well-controlled microstructure and morphology. The method includes forming the particles from an aerosol of precursors by ... | 06/28/2005 |
