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7615508 |
Cathode for air assisted battery
A cathode for an air recovery alkaline battery is disclosed. The cathode contains at least about 60% by weight MnO 2 and at least about 2% by weight of a hydrophobic polymer; the MnO 2 consists...
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7615297 |
Fuel cell
A fuel cell of the invention has a hydrogen permeable metal layer, which is formed on a plane of an electrolyte layer that has proton conductivity and includes a hydrogen permeable metal. The fuel...
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7611796 |
Solid-oxide fuel cell with ferritic support
Cell of a solid-oxide fuel cell that comprises a ferritic support ( 2 ), a first electrode ( 3 ) deposited on said ferritic support, an electrolyte ( 4 ) deposited on said first electrode ( 3 ),...
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7611795 |
Fuel cell manufacturing method and fuel cell
The manufacturing method of the invention is applied to manufacture a unit fuel cell 20, which has a hydrogen-permeable metal layer 22 of a hydrogen-permeable metal and an electrolyte layer 21...
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7608560 |
Platinum-titanium-tungsten fuel cell catalyst
A fuel cell catalyst comprising platinum, titanium and tungsten. In one or more embodiments, the concentration of platinum is less than 60 atomic percent, and/or the concentration of titanium is at...
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7601454 |
Polymer electrolyte fuel cell
In a polymer electrolyte fuel cell in which a cathode diffusion layer, a cathode electrode catalyst layer, a polymer electrolyte membrane, an anode electrode catalyst layer, and an anode diffusion...
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7601216 |
Gas diffusion electrodes, membrane-electrode assemblies and method for the production thereof
A method for forming a patterned noble metal coating on a gas diffusion medium substantially free of ionomeric components comprising subjecting an electrically conductive web with a patterned mask...
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7595127 |
Nano-composite electrodes and method of making the same
A method of making ceramic electrode materials comprising intimate mixtures of two or more components, including at least one nanoscale ionically conducting ceramic electrolyte material (e.g.,...
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7592093 |
Method for manufacturing a flat panel direct methanol fuel cell
A novel flat panel DMFC (direct methanol fuel cell) includes an integrated cathode electrode plate, a membrane electrode assembly (MEA) unit, an intermediate bonding layer, an integrated anode...
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7589043 |
Supported catalyst, electrode using the supported catalyst and fuel cell including the electrode
Provided are a supported catalyst, an electrode including the same, and a fuel cell using the electrode. The supported catalyst includes a carbon-based catalyst support and metal catalyst particles...
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7588857 |
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...
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7588856 |
Resistive-varying electrode structure
An electrode structure for a low voltage, high current electrical production device includes a charge transfer member ( 612 ). An electrically conductive member ( 605 ) having a non-uniform...
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7585585 |
Electrode catalyst for use in a fuel cells, and fuel cell and electrode utilizing same
The invention provides a high activity electrode catalyst for fuel cells whose catalytic activity due to an expensive noble metal, such as platinum, has been improved to a higher level through the...
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7585583 |
Metal stack for fuel cells or electrolysers
A stack, to be used in a fuel cell or electrolyzer, includes a collector layer, at least one diffusion layer and at least one anchoring layer. The collector layer being a metal foil or metal plate...
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7585580 |
Direct reacting anolyte-catholyte fuel cell for hybrid energy sources
A fuel cell and a method for using the fuel cell to make electricity, in which the fuel cell has an anode half-cell having an electrocatalytic anode and a liquid anolyte that is substantially...
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7575826 |
Fuel cell with metal alloy contacts that form passivating conductive oxide surfaces
A metal alloy which when oxidized forms a highly conductive surface oxide layer. Alloy compositions such as, but not limited to, Ti—Nb, Ti—Ta, La—Sr—Cr, and La—Sr—Co are known to form...
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7572543 |
Supported catalyst and fuel cell
A supported catalyst includes an oxide carrier, catalyst particles supported on the oxide carrier, and catalyst layers which locate among the catalyst particles, with interface portions among the...
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7572541 |
Fuel cell
A fuel cell comprises a unit cell having a membrane-like electrode unit including an electrolyte membrane, a fuel electrode consisting essentially of a catalyst layer and a diffusion layer, which...
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7572538 |
Fuel cell
A fuel cell includes a membrane electrode assembly and first and second metal separators for sandwiching the membrane electrode assembly. In the membrane electrode assembly, a surface area of a gas...
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7569509 |
Method for producing catalyst for fuel cell
The present invention provides a method for producing a catalyst for a fuel cell comprising:
a step for forming an inverted micelle consisting of an aqueous solution containing the iridium...
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7569303 |
Membrane electrode assembly with modified catalyst layout
An electrochemical cell assembly includes first and second flow field plates, first and second gas diffusion media disposed between the first and second flow field plates, and a membrane electrode...
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7569302 |
Fuel cell for generating electric power
A cell according to the present invention is a fuel cell for generating an electric power by supplying one electrode with a fuel and the other electrode with an oxidant. In the fuel cell, a...
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7566514 |
Catalyst for cathode in fuel cell
A catalyst particle having high oxygen reduction reactivity and low methanol oxidation reactivity, a supported catalyst comprising the catalyst particle, and a fuel cell using a cathode comprising...
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7566509 |
Tubular fuel cell and method of producing the same
A porous metal IC membrane 2 is formed on a base tube 1 , a fuel electrode 3 and a dense metal IC membrane 4 are formed to cover a part of the porous metal IC membrane 2 , a solid...
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7566388 |
Electrode catalyst for oxygen reduction and gas diffusion electrode
An electrode catalyst comprising a conductive carrier, and a mixture containing a particulate noble metal and at least one particulate rare-earth oxide, the mixture being supported on the...
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7563394 |
Pt/CeO2/electroconductive carbon nano-hetero anode material and production method thereof
The conventional Pt/second component/electroconductive carbon type anode materials to be utilized as polymer fuel cell-oriented solid electrolytes and in various sensors have been problematic in...
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7556877 |
Direct methanol fuel cell
A direct methanol fuel cell comprises a multiple number of connected unit cells, each composed of a fuel electrode element of a microporous carbon material, an electrolyte layer formed on the outer...
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7553580 |
Electrode substrate for a fuel cell, a method for preparing the same, and a membrane-electrode assembly comprising the same
An electrode substrate for a fuel cell including a diffusion layer, a first microporous layer that embeds into the diffusion layer, with the first microporous layer having a thickness in the range...
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7553573 |
Solid state electrochemical composite
Provided is a composite electrochemical device fabricated from highly electronically conductive materials such as metals, metal alloys, or electronically conductive ceramics. The electronic...
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7550220 |
Miniature fuel cell base module comprising micro-volumes which are traversed by one of two reactants
The basic module has a large functional surface area compared with its relatively small global surface area. It is composed mainly of a multitude of micro-volumes ( 10, 110 ) installed in a closed...
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7547486 |
Direct methanol fuel cell
A direct methanol fuel cell has a proton conducting membrane (PCM), a catalyst in contact with the PCM, a gas diffusion layer in contact with the catalyst, and a conducting plate in contact with...
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7544630 |
Methods of manufacturing electrodes for polymer electrolyte fuel cells
Methods are provided for easily obtaining a high performance electrode without using an organic solvent for making an ink of an electrode catalyst or a surfactant for making an ink of a water...
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7544437 |
Fuel cell structure
An improved fuel cell structure uses a first sheet of carbon fibres separated by an electrolyte from a second sheet of carbon fibres. A fuel cell catalyst is coated on the outside of the fibres and...
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7544433 |
Electrode structure for polymer electrolyte fuel cells, and polymer electrolyte fuel cell using the same
The present invention provides an electrode structure for polymer electrolyte fuel cells, inexpensive, and exhibiting excellent power production capacity and durability even under high...
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7544429 |
Membraneless and mediatorless microbial fuel cell
Disclosed is a mediator-less microbial fuel cell comprising a cathode compartment, an anode compartment, with or without glass wool and glass bead for separating the two compartments, an element...
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7537857 |
Reduced degradation of ion-exchange membranes in electrochemical fuel cells
A significant problem in PEM fuel cell durability is in premature failure of the ion-exchange membrane and in particular by the degradation of the ion-exchange membrane by reactive hydrogen...
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7537852 |
Composite ion exchange membrane and electrolyte membrane electrode assembly
The present invention provides a composite ion exchange membrane which has high mechanical strength and is suitable for use as a solid polymer electrolyte membrane excellent in ionic conductivity...
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7534513 |
Membrane electrode assembly for a tube-shaped fuel cell and tube-shaped fuel cell
A membrane electrode assembly ( 11 ) for a tube-shaped fuel cell, which is provided with a tube-shaped solid electrolyte membrane ( 1 ); an outside catalyst electrode layer ( 2 ) formed on an outer...
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7531267 |
Process for preparing carbon nanotube electrode comprising sulfur or metal nanoparticles as a binder
The present invention provides an electrode made of carbon nanotubes or carbon nanofibers and a process for preparing the same. The electrode comprising a current collector, sulfur or metal...
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7531263 |
Method of fabricating a flat panel direct methanol fuel cell
A flat panel direct methanol fuel cell (DMFC) includes an integrated cathode electrode plate, a set of membrane electrode assemblies, an intermediate bonding layer, an integrated anode electrode...
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7521147 |
Fuel cell comprising current collectors integrated in the electrode-membrane-electrode stack
The invention relates to a fuel cell with a stack comprising an electrolytic membrane ( 4 ), with front and rear faces ( 4 a, 4 b ) on which first and second current collectors ( 13, 15 ) are...
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7517606 |
Fuel cells and batteries including metal-carbon composite powders
A fuel cell comprising a catalytic layer including substantially spherical metal-carbon catalyst particles having a weight average particle size of at least about 0.1 micron and not greater than...
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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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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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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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