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| Number | Title | Issue Date |
| 7838141 | Cerium-modified doped strontium titanate compositions for solid oxide fuel cell anodes and electrodes for other electrochemical devices The present invention provides novel compositions that find advantageous use in making electrodes for electrochemical cells and electrochemical devices such as solid oxide fuel cells, electrolyzers, sensors, pumps and the like, the compositions comprising cerium-mod... | 11/23/2010 |
| 7803477 | 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 compri... | 09/28/2010 |
| 7803490 | Direct methanol fuel cell A direct methanol fuel cell of the present invention includes a unit cell having an electrolyte membrane, an anode on one surface of the electrolyte membrane, and a cathode on the other surface of the electrolyte membrane. The anode includes an anode catalyst layer ... | 09/28/2010 |
| 7794865 | Filter material for generating oxygen and/or hydrogen from a source A filter material for generating oxygen and/or hydrogen gas from a source having a porous boron doped carbon film with diruthenium/diruthenium molecules in direct contact with the porous boron doped carbon film, a synthetic film having at least one zeolite crystalli... | 09/14/2010 |
| 7785728 | Palladium-based electrocatalysts and fuel cells employing such electrocatalysts A direct organic fuel cell includes a fluid fuel comprising formic acid, an anode having an electrocatalyst comprising palladium nanoparticles, a fluid oxidant, a cathode electrically connected to the anode, and an electrolyte interposed between the anode and the ca... | 08/31/2010 |
| 7771859 | Fuel cell A fuel cell includes an electrolyte layer, a first electrode which is provided on one surface of the electrolyte layer and to which fuel is supplied, and a second electrode which is provided on the other surface of the electrolyte layer and to which an oxidant is su... | 08/10/2010 |
| 7763372 | Fuel cell formed in a single layer of monocrystalline silicon and fabrication process Fuel cells are formed in a single layer of conductive monocrystalline silicon including a succession of electrically isolated conductive silicon bodies separated by narrow parallel trenches etched through the whole thickness of the silicon layer. Semicells in a back... | 07/27/2010 |
| 7763373 | Method for producing an electrode arrangement for use in a fuel cell A method for producing an electrode arrangement for use in a fuel cell. The method includes providing a filament comprising a supporting core and a plurality of webs extending radially from the core, the filament forming a radially internal, electrically conductive ... | 07/27/2010 |
| 7758993 | Tubular solid oxide fuel cell current collector An internal current collector for use inside a tubular solid oxide fuel cell (TSOFC) electrode comprises a tubular coil spring disposed concentrically within a TSOFC electrode and in firm uniform tangential electrical contact with the electrode inner surface. The cu... | 07/20/2010 |
| 7758992 | Copper-substituted perovskite compositions for solid oxide fuel cell cathodes and oxygen reduction electrodes in other electrochemical devices The present invention provides novel compositions that find advantageous use in making electrodes for electrochemical cells. Also provided are electrochemical devices that include active oxygen reduction electrodes, such as solid oxide fuel cells, sensors, pumps and... | 07/20/2010 |
| 7754370 | Fuel cell catalyst material, fuel cell electrode, membrane-electrode assembly, fuel cell, fuel cell catalyst material manufacturing method, and fuel cell electrode manufacturing method This invention provides a fuel cell catalyst material containing catalyst particles having a composition substantially represented by ATxNu (1) wherein A contains Pt or Pt and at least one noble metal element selected f... | 07/13/2010 |
| 7754369 | Ink for producing membrane electrode assemblies for fuel cells An ink is disclosed for producing membrane electrode assemblies for fuel cells which contains a catalyst material, an ionomer, water and an organic solvent. The ink is characterized in that the organic solvent is at least one compound from the group of linear dialco... | 07/13/2010 |
| 7749638 | Manufacturing method of lamination body of electrolytic body and particle, lamination body of electrolytic body and particle, electrochemical element, fuel battery, and portable machine A manufacturing method of a lamination body of an electrolytic body and a particle includes the steps of: a) electrostatically charging an electrostatic carrier configured to carry static electricity at a designated polarity; b) contacting the electrostatically char... | 07/06/2010 |
| 7745036 | 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... | 06/29/2010 |
| 7740975 | Platinum and titanium containing electrocatalysts The present teachings are directed toward electrocatalyst compositions of platinum, titanium and at least a third metal for use in fuel cells. The electrocatalyst composition is composed essentially of platinum present in an atomic percentage ranging between about 5... | 06/22/2010 |
| 7740974 | Formic acid fuel cells and catalysts An exemplary fuel cell of the invention includes a formic acid fuel solution in communication with an anode (12, 134), an oxidizer in communication with a cathode (16, 135) electrically linked to the anode, and an anode catalyst that includes Pd. An ex... | 06/22/2010 |
| 7736790 | Platinum and tungsten containing electrocatalysts The present teachings are directed toward electrocatalyst compositions of platinum, tungsten and at least a third metal for use in fuel cells. The electrocatalyst composition is composed essentially of platinum present in an atomic percentage ranging between about 2... | 06/15/2010 |
| 7727662 | Low temperature alkaline fuel cell A low temperature alkaline fuel cell having a hydrogen electrode and an oxygen electrode, both of which are comprised of high performance non-precious metal catalytic materials providing high performance at low temperatures. ... | 06/01/2010 |
| 7718303 | Membrane-electrode assembly and fuel cell An electrolyte layer (121) and a hydrogen-permeable metal layer (122) are fitted in a fitting portion (131) of a low thermal expansion member (130), and a cathode electrode (110) is provided on the electrolyte layer (121). G... | 05/18/2010 |
| 7713650 | Method for reducing degradation in a fuel cell The invention is a method of reducing catalyst dissolution in the cathode of a membrane electrode assembly fuel cell, the method comprising the steps of: (a) preparing a membrane electrode assembly comprising an anode, a cathode and a polymer electrolyte membrane in... | 05/11/2010 |
| 7704628 | Platinum, titanium, cobalt and palladium containing electrocatalysts The present teachings are directed toward electrocatalyst compositions of platinum, titanium and at least a third metal for use in fuel cells. The electrocatalyst composition is composed essentially of platinum present in an atomic percentage ranging between about 5... | 04/27/2010 |
| 7700220 | Fuel cell A fuel cell is provided which can enhance the CO resistance to thereby improve the voltage characteristics thereof. A fuel cell includes an electrolyte layer, a first electrode provided on one surface of the electrolyte layer, and a second electrode provided on the ... | 04/20/2010 |
| 7700219 | Structure having three-dimensional network skeleton, method for producing the structure, and fuel cell including the structure The present invention provides a new method for producing a structure having a three-dimensional network skeleton. The method includes providing a film including a first material and a second material and removing the second material contained in the film by dry etc... | 04/20/2010 |
| 7695849 | Low Pt content direct methanol fuel cell anode catalyst: nanophase PtRuNiZr A method for the preparation of a metallic material having catalytic activity that includes synthesizing a material composition comprising a metal content with a lower Pt content than a binary alloy containing Pt but that displays at least a comparable catalytic act... | 04/13/2010 |
| 7691522 | Platinum, titanium and copper, manganese and iron containing electrocatalysts The present teachings are directed toward electrocatalyst compositions of platinum, titanium and at least a third metal for use in fuel cells. The electrocatalyst composition is composed essentially of platinum present in an atomic percentage ranging between about 5... | 04/06/2010 |
| 7691521 | Solid oxide fuel cell A solid oxide fuel cell comprising a solid oxide electrolyte layer, a cathode layer on a cathode side of the electrolyte layer and an anode layer on an anode side of the electrolyte layer, and wherein a hydrocarbon reforming layer is also disposed on the anode side ... | 04/06/2010 |
| 7691523 | Method of preparing fuel cell comprising proton conducting solid perovskite electrolyte membrane with improved low temperature ion conductivity, and membrane electrode assembly of fuel cell prepared by the method Provided are a method of preparing a fuel cell and a membrane electrode assembly prepared by the method. The method includes preparing a substrate, forming a buffer layer having a single crystalline structure on the substrate, forming a proton conducting solid perov... | 04/06/2010 |
| 7670711 | Cerium-modified doped strontium titanate compositions for solid oxide fuel cell anodes and electrodes for other electrochemical devices The present invention provides novel compositions that find advantageous use in making electrodes for electrochemical cells and electrochemical devices such as solid oxide fuel cells, electrolyzers, sensors, pumps and the like, the compositions comprising cerium-mod... | 03/02/2010 |
| 7670712 | Metal oxynitride electrode catalyst An electrode catalyst that maintains catalytic activity under conditions of an electrode potential as high as 0.4 V or above and exhibits improved stability. The metal oxynitride electrode catalyst is composed of an oxynitride containing at least one transition meta... | 03/02/2010 |
| 7655342 | Proton-conducting polymer membrane and method for the production thereof to simultaneously remove the catalyst layers The invention relates to a proton-conducting polymer membrane and to a method for the production thereof. Starting from a catalyst layer, which is homogeneously deposited on the polymer membrane (3), the catalyst layer is subdivided into a number of catalyst ... | 02/02/2010 |
| 7642000 | Fuel cell electrode, membrane-electrode assembly, and fuel cell system An electrode for a fuel cell, and a membrane-electrode assembly and a fuel cell system that include the electrode are disclosed. An electrode for a fuel cell that includes an electrode substrate, a first channel formed in the electrode substrate, a first hydrophilic... | 01/05/2010 |
| 7638225 | Cathode for a direct methanol fuel cell and method for operating the same In low-temperature fuel cells according to prior art, the problem often arises that the diffusion layer of the cathode is filled by water which is permeated or produced on the cathode, such that oxygen can no longer be transported to the catalyst layer of the cathod... | 12/29/2009 |
| 7638227 | Fuel cell having stack structure A fuel cell having a stack structure is provided. The fuel cell includes plural unit cells each of which includes an anode and a cathode which are provided on both sides of a predetermined electrolyte membrane, and a catalytic layer which is provided in at least one... | 12/29/2009 |
| 7638226 | Apparatus and method for controlling kinetic rates for internal reforming of fuel in solid oxide fuel cells The present invention provides a solid oxide fuel cell in which kinetic rates for internal reforming are controlled. The solid oxide fuel cell comprises a cathode, an electrolyte layer adjacent to the cathode, and an anode adjacent to the electrolyte layer. The anod... | 12/29/2009 |
| 7635533 | Fuel cell electrocatalyst of Pt-Mn-Co An improved metal alloy composition for a fuel cell catalyst containing platinum, manganese, and cobalt. ... | 12/22/2009 |
| 7629072 | Membrane-electrode assembly for fuel cell and fuel cell system comprising the same A membrane-electrode assembly includes a catalyst layer formed on both sides of a polymer electrolyte membrane, a platinum (Pt)-metal alloy catalyst included in the catalyst layer, wherein the alloy catalyst shows a diffraction peak in a 110 plane at a degree of 2q ... | 12/08/2009 |
| 7629071 | 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,... | 12/08/2009 |
| 7625659 | Fuel cell, membrane electrode assembly, catalyst used therefor, and method of producing catalyst A fuel cell includes a fuel electrode, an oxygen electrode, and a polymer electrolyte membrane placed between the fuel electrode and the oxygen electrode. The fuel electrode and/or the oxygen electrode include a catalyst composed of a particle containing at least Pt... | 12/01/2009 |
| 7625660 | Fuel cell and membrane electrode assembly A fuel cell has an anode, a cathode, and a polymer electrolyte membrane placed between the anode and the cathode. The anode includes a catalyst which is composed of binary or ternary particulates deposited on a carbon support. The particulate is represented by a gen... | 12/01/2009 |
| 7622215 | Composite electrolyte membrane, catalyst-coated membrane assembly, membrane-electrode assembly and polymer electrolyte fuel cell To provide a polymer electrolyte membrane having excellent size stability and excellent mechanical strength that can sufficiently prevent the size change due to the swelling condition, the displacement of the polymer electrolyte membrane and the formation of wrinkle... | 11/24/2009 |
