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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...
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...
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 ),...
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...
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...
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...
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...
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.,...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...