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7507687 |
Electrocatalyst powders, methods for producing powder 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...
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7507495 |
Hydrogen absorption induced metal deposition on palladium and palladium-alloy particles
The present invention relates to methods for producing metal-coated palladium or palladium-alloy particles. The method includes contacting hydrogen-absorbed palladium or palladium-alloy particles...
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7504173 |
Constituent part for fuel cell
In order to provide a constituting part for a fuel battery in which a number of steps of assembling the constituting parts for the fuel battery can be reduced, and in which the replacing property...
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7498286 |
Electrocatalyst for oxygen reduction reaction in proton exchange membrane fuel cells
The present invention includes an apparatus, system and method for screening and making one or more electrocatalysts, electrocatalyst arrays, electrodes and catalysts for an oxygen reduction...
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7498095 |
Anode-supported solid oxide fuel cells using a cermet electrolyte
Novel solid oxide fuel cell (SOFC) article and method of manufacture with improved properties at lower costs. The structural features and methods involve fabricating an anode (i.e., fuel...
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7494739 |
Fuel cell
A fuel cell. The anode of the fuel cell comprises a hydrogen oxidation catalyst comprising a finely divided metal alloy particulate. The metal alloy particulate has an average particle size of less...
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7494733 |
Electrode structure for solid polymer fuel cell, its production method, and solid polymer fuel cell
An electrode structure having a pair of electrode catalyst layers and a polymer electrolyte membrane held between both the electrode catalyst layers is provided. The polymer electrolyte membrane is...
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7494741 |
Fuel cell with a porous electron collection layer formed by stacking conductive material particles
To provide a fuel cell which has a reaction layer having good reaction efficiency and an electron collection layer to efficiently collect electrons generated at the reaction layer and of which the...
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7488547 |
Fuel cell, components and systems
Alkali fuel cells, systems, and related methods, and flow-through, high-surface area electrodes, are employed to generate electricity. The electrode can include a porous substrate comprising a...
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7485390 |
Combinatorial methods for preparing electrocatalysts
The present invention is directed to a method for forming combinatorial libraries comprising arrays of materials prepared by depositing a metal species on a support for use as catalysts, such as...
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7479469 |
Electrode catalyst fine particles, dispersion of the same, and process for producing the dispersion
Provided is a process for producing electrode catalyst fine particles capable of affording formed catalysts such as membranes excellent in uniformity and strength and also employable as catalyst to...
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7476461 |
Methods for the electrochemical optimization of solid oxide fuel cell electrodes
The present invention provides a solid oxide fuel cell which contains an anode, a cathode, and an electrolyte, where at least one of the electrode contains a wash-coat composition that improves the...
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7476460 |
Thin metal oxide film and method of making the same
A thin metal oxide film includes a solution of one or more metal salts and one or more water soluble polymers. A mechanism is provided for converting the metal salt(s) and water soluble polymer(s)...
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7470483 |
Electrolyte membrane-electrode assembly for fuel cell and operation method of fuel cell using the same
A carbon fiber woven fabric for use as a gas diffusion layer base material in a polymer electrolyte fuel cell has a surface that is smoothed and further optimized to inhibit non-uniform...
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7468340 |
Metal-supported porous carbon film, fuel cell electrode and fuel cell employing the electrode
A metal-supported porous carbon film wherein metal fine particles with a mean particle diameter of 0.7-20 nm are dispersed and supported on pore surface walls, fuel cell electrodes employing the...
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7468219 |
Fuel cell
The invention provides a fuel cell which comprises a solid polymer electrolyte sandwiched between a cathode to which an oxidizing agent gas is supplied and an anode to which a reducing agent gas is...
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7465504 |
Direct oxidation fuel cell and system operating on concentrated fuel using low oxidant stoichiometry
A direct oxidation fuel cell system includes a membrane electrode assembly (MEA), a high concentration fuel and an oxidant source. Embodiments include a controller for adjusting the oxidant...
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7462575 |
Catalyst powder, catalyst electrode, and electrochemical device
Disclosed is a catalyst powder contained in an electrode, wherein the catalyst powder includes a catalytic substance supported on a conductive powder, the catalytic substance being comprised of at...
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7459230 |
Membrane electrode assembly for fuel cell
A membrane electrode assembly for a fuel cell includes an electrolyte membrane having ionic conductivity and a pair of gas diffusion electrodes having gas diffusivity and electric conductivity....
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7455925 |
Thin-layer fuel cell structure
A fuel cell layer and methods for making a fuel cell layer comprising at least one fuel cell in communication with first reactant plenum and second reactant plenum, wherein one of the reactant...
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7452626 |
Fuel cell for portable radio-electronic equipment
The invention relates to the field of alcohol-air fuel cells (FC) designed for use in portable radio-electronic equipment, such as cellular phones, notebooks, etc. In accordance with the invention...
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7449262 |
Current collector to conduct an electrical current to or from an electrode layer
A current collector and method of forming the same in which a slurry is prepared that contains electrically conductive particles having surface deposits of a metallic oxide on a metal or metal...
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7445647 |
Method for making a single unit fuel cell
A method for making fuel cells is disclosed and includes placing catalyst strips on an anode side and a cathode side of a proton exchange membrane disposed between carbon bases. The method includes...
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7438987 |
Carbon fuel particles used in direct carbon conversion fuel cells
A system for preparing particulate carbon fuel and using the particulate carbon fuel in a fuel cell. Carbon particles are finely divided. The finely dividing carbon particles are introduced into...
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7435504 |
Platinum, tungsten, and nickel or zirconium containing electrocatalysts
The present teachings are directed toward electrocatalyst compositions of alloys of platinum, tungsten and one of either of nickel or zirconium for use in fuel cells. The alloys consists...
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7432009 |
Lamination apparatus and methods
Components for the manufacture of polymer electrolyte membrane fuel cells are provided, as well as apparatus and automatable methods for their manufacture by rotary die cutting and by lamination of...
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7432006 |
Electrochemical probe for screening multiple-cell arrays
Novel systems for combinatorially screening an array of electrochemical cells are disclosed. The screening aparatus may comprise a system of electrodes and electrolytes common to each of the...
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7432008 |
Gas diffusion layer for an electrochemical cell
An electrochemical cell includes: a membrane electrode assembly: first and second reactant flow field plates for providing first and second reactant flow fields disposed on either side of the...
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7422814 |
Fuel cell system
A fuel cell unit includes a plurality of fuel cells. Each of the fuel cells includes a plurality of power generation units. The power generation units are electrically connected in series for...
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7419739 |
Flexible bipolar plate
The present invention provides for a construction for a bipolar plate for a fuel cell stack that enables the bipolar plate to be a more compliant member in the fuel cell stack. The bipolar plate...
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7419623 |
Proton conducting mediums for electrochemical devices and electrochemical devices comprising the same
An electrochemical device and a proton conducting medium for use in an electrochemical device having a proton conducting electrolyte comprising the formula:
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7419546 |
Gas diffusion electrodes, membrane-electrode assemblies and method for the production thereof
A method for forming a noble metal coating on a gas diffusion medium substantially free of ionomeric components comprising subjecting an electrically conductive web to a first ion beam having an...
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7419740 |
Membrane electrode unit for polymer electrolyte fuel cells and a process for the production thereof
A membrane electrode assembly for polymer electrolyte fuel cells consisting of a polymer electrolyte membrane, both faces of which are in contact with porous reaction layers and gas distributor...
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7419741 |
Fuel cell cathode catalyst
A fuel cell cathode catalyst is provided which comprises nanostructured elements comprising microstructured support whiskers bearing nanoscopic catalyst particles. The nanoscopic catalyst particles...
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7416809 |
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...
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7416802 |
Electrode-supported solid state electrochemical cell
A process for manufacturing a solid oxide fuel cell comprises, in one embodiment according to the invention: forming a plastic mass comprising a mixture of an electrolyte substance and an...
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7416810 |
Low contact resistance PEM fuel cell
A PEM fuel cell having a current collector comprising a polymer composite and a diffusion media engaging said polymer composite. The polymer composite has a hyperconductive surface layer engaging...
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7413826 |
Anode electrodes for direct oxidation fuel cells and systems operating with concentrated liquid fuel
An anode electrode for use in a fuel cell comprises a stacked structure including, in sequence: a catalyst layer, a hydrophobic, microporous layer (“MPL”), a porous gas diffusion layer...
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7414004 |
Gas diffusion layer, electrode and membrane electrode assembly for fuel cell, and production methods thereof
The present invention provides a gas diffusion layer for a fuel cell which has proper rigidity, is easy to handle and contributes to the improvement of the productivity of fuel cells. A method for...
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7410718 |
Aerogel and xerogel composites for use as carbon anodes
Disclosed herein are aerogel and xerogel composite materials suitable for use as anodes in fuel cells and batteries. Precursors to the aerogel and xerogel compounds are infused with inorganic...
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7410720 |
Fuel cell and method for manufacturing the same
An electrode sheet ( 489 ) is put in one side of a solid electrolyte membrane ( 114 ) at its cut portion. A base member ( 110 ) for an oxidant electrode side current collector electrode sheet ( 499...
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7410719 |
Porous carbon base material, method for preparation thereof, gas-diffusing material film-electrode jointed article, and fuel cell
A porous carbon base material includes a sheet containing carbon short fibers dispersed randomly and a carbonized resin, in which the carbon short fibers are bound by the carbonized resin and the...
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7407723 |
Polymer electrolyte fuel cell
In a polymer electrolyte fuel cell, at least one of the anode side separator plate and cathode side separator plate is formed with a main surface having a convex shape protruding toward a gas...
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7404878 |
Gas diffusion electrode assembly, bonding method for gas diffusion electrodes, and electrolyzer comprising gas diffusion electrodes
In a gas diffusion electrode assembly, and in an electrolyzer using the same, a bonding piece having on at least one surface a perfluorosulfonic acid layer, a perfluorosulfonyl fluoride layer or an...
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7405021 |
Water-retaining anode structure for a fuel cell
A novel anode structure for making a proton exchange membrane fuel cell (PEMFC) tolerant to incidences of cell reversal includes an electrocatalyst layer having at least one electrocatalyst and at...
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7399549 |
Altering zeta potential of dispersions for better HCD performance and dispersion stability
Ink dispersions for use in fuel cells, comprising a mixture of: (1) a carbon-containing material, such as carbon black; and (2) a base or acid operable to adjust the pH of the ink dispersion,...
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7399393 |
Oxide ion conductive ceramic membrane structures for high-pressure oxygen production
The invention concerns an oxide ion conductive ceramic membrane, characterized in that it comprises a non-null finite volume with non-null total thickness E, comprising, a dense layer (CD) of a...
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7396610 |
Substrate
The present invention relates to a membrane electrode assembly wherein each gas diffusion substrate comprises a porous electrically conductive gasket member is located on the first and second...
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7396797 |
Production method of catalyst for fuel cell and of fuel cell, and catalyst for fuel cell and fuel cell
A method for producing a catalyst for a fuel cell is provided which is capable of improving output characteristics of the fuel cell. Metal fine particles making up the catalyst for the fuel cell to...
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7390588 |
Fuel cell and process for the production thereof
A first gas flow path is formed in a first substrate. The first substrate is processed in an ejection device to form a first collector layer, a first gas diffusion layer, a first reactive layer,...
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