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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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7615293 |
Fuel cell electrode with redox catalyst
The invention is directed to an electrode, suitable for use in a fuel cell, consisting of a microporous current collector incorporating a multitude of domains and wherein each domain contains...
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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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7608358 |
Fuel cell anode structure for voltage reversal tolerance
An anode catalyst layer for a fuel cell is presented having first and second catalyst compositions and a hydrophobic binder. The first catalyst composition includes a noble metal, other than Ru, on...
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7608357 |
Fuel electrode material, a fuel electrode, and a solid oxide fuel cell
A powder material for a fuel electrode of a solid oxide fuel cell is provided, along with a fuel electrode for a solid oxide fuel cell prepared by sintering the fuel electrode powder material, and...
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7608356 |
Ion conducting polymer membranes
Modified ion-conducting membranes ( 10 ), and a method for making the same, which increases the membrane ( 10 ) surface area, and, optionally, incorporates mono- and multi-metal ion-containing...
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7604892 |
Y and Nb-doped SrTiO3 as a mixed conducting anode for solid oxide fuel cells
The invention disclosed relates to novel materials of the general formula
(Sr 1-1.5x M 1 x ) 1-y/2 Ti 1-y M 2 y O 3 ...
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7601449 |
Sulfonated poly(phenylene sulfide) films as polyelectrolyte membranes
Proton conducting membranes are made of sulfonated films comprising poly(arylene sulfide), an olefinic polymer, and an elastomer. They are used in PEM fuel cells operating at temperatures above...
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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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7600375 |
Catalytic device with fuel cell portion and catalytic conversion portion
An apparatus comprising an internal combustion engine, an exhaust system for conducting exhaust emitted by the engine, and a catalytic device associated with the exhaust system is disclosed,...
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7597991 |
Flex based fuel cell
A fuel cell uses porous metal layers attached on a flex substrate for delivery of liquid fuel to the active catalytic areas on the anodic side. The flex substrate may form an enclosed package such...
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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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7595125 |
Fuel cell stack for vehicle
A unit cell includes a membrane electrode assembly, and first and second separators for sandwiching the membrane electrode assembly. The membrane electrode assembly includes an anode and a cathode...
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7595122 |
Interconnect supported electrolyzer assembly, preform and method of fabrication
An electrolyzer assembly comprises at least one electrolyzer cell including at least two electrodes and an electrolyte interposed therebetween. The electrolyzer assembly further comprises an...
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7595085 |
Ceramic assembly with a stabilizer layer
In one embodiment, the method of producing a ceramic assembly includes: disposing an electrode precursor on an electrolyte precursor having an electrolyte sintering shrinkage, disposing a...
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7592092 |
Fuel cell having a hydrogen electrode catalyst layer porosity that is lower than the air electrode catalyst layer porosity
In a membrane electrode assembly 1 of a fuel cell, the porosity of a hydrogen electrode-side catalyst layer 11 a is made to be lower than that of an air electrode-side catalyst layer 11 b ....
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7592091 |
Microreactor
A microreactor includes a filament comprising a supporting core having an axial length and a plurality of webs extending radially from the core and axially along said length. The filament forms a...
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7592090 |
Perovskite electrodes and method of making the same
The invention relates to perovskite oxide electrode materials in which one or more of the elements Mg, Ni, Cu, and Zn are present as minority components that enhance electrochemical performance, as...
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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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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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7585584 |
Carbon nanotubes for fuel cells, method for manufacturing the same, and fuel cell using the same
Carbon nanotubes for use in a fuel cell, a method for fabricating the same, and a fuel cell using the carbon nanotubes for its electrode are provided. The internal and external walls of the carbon...
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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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7582377 |
Fuel cell and method of assembling the same
A pressure loss in an oxidative gas passage of each of single cells is obtained This pressure loss is compared with predetermined ranks so as to carry out classification according to the ranks. The...
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7579298 |
Catalyst, electrode for fuel electrode in fuel cell, and fuel cell
Catalysts contain noble metal-containing particles that has a composition except oxygen represented by a formula Pt X Ru Y A Z Sn S and exhibits a mean particle diameter of from 0.5 nm to 10 nm,...
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7579103 |
Filter material for generating oxygen and/or hydrogen from a source
A filter material for generating oxygen and/or hydrogen gas from water having a porous boron doped carbon film with diRuthenium/diRuthenium molecules and at least one fluorine ion in direct contact...
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7578859 |
Poly (3,4-alkylenedioxythiophene)-based capacitors using ionic liquids as supporting electrolytes
A supercapacitor comprising a poly(3,4-ethylendioxythiophene) (PEDOT) and poly(3,4-propylenedioxythiophene) (PProDOT) as electrode couples for the capacitor and a pair of gel electrolyte layers...
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7576970 |
System and method for storing hydrogen and electrical energy
A hybrid capacitive storage system and method for storing electrical energy and hydrogen comprising at least a first dielectric layer, which dielectric layer is substantially impermeable to...
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7575821 |
Interconnect supported fuel cell assembly and preform
A fuel cell assembly includes at least one fuel cell including at least two electrodes and an electrolyte. An interconnect structure includes at least one flow channel initially defined by a...
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7572534 |
Fuel cell membrane electrode assembly
Fuel cell membrane electrode assemblies and fuel cell polymer electrolyte membranes are provided comprising bound anionic functional groups and polyvalent cations, such as Mn or Ru cations, which...
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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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7563533 |
Ba-Sr-Co-Fe-O based perovskite mixed conducting materials as cathode materials for solid oxide fuel cells
Improved cathode active materials for reduced temperature operation in single and dual chamber solid oxide fuel cells are provided. The cathode active materials comprise perovskites of the general...
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7560180 |
Gas diffusion layer and fuel cell using the same
To provide a gas diffusion layer excellent in micro short-circuit resistance and anti-flooding characteristics by optimizing the surface shape of a gas diffusion layer. In a gas diffusion layer...
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7560077 |
Compact chemical reactor with reactor frame
The compact chemical reactor with a central axis includes at least two unit reactors disposed adjacent to each other to form front and back sides of the compact chemical reactor; a front and back...
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7556880 |
Compositional and structural gradients for fuel cell electrode materials
A fuel cell includes at least one electrode operatively disposed in the fuel cell, and having a catalytically active surface. The present invention further includes a mechanism for maintaining a...
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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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7547733 |
Composite proton exchange membrane
An organic/inorganic composite proton exchange membrane (PEM) is disclosed. The PEM includes a proton exchange membrane and a particulate inorganic conductor filler material provided in the proton...
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7547484 |
Solid oxide fuel cell tube with internal fuel processing
A solid oxide fuel cell comprises a tube forming an anode, electrolyte and cathode, and a catalytic substrate is positioned within the tube. Such solid oxide fuel cells are highly compact and...
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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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7544435 |
Electrochemical cell systems comprising fuel consuming agents
Electrochemical cell systems are provided. In some implementations, the electrochemical cell system includes a fuel cell and a fuel cartridge connected to the fuel cell. The fuel cell includes (i)...
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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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7541109 |
Passive water management techniques in direct methanol fuel cells
Passive water management techniques are provided in an air-breathing direct oxidation fuel cell system. A highly hydrophobic component with sub-micrometer wide pores is laminated to the catalyzed...
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7541016 |
Lithium titanate and method of forming the same
A lithium titanate has the following formula:
Li 4 Ti 5 O 12−x
wherein x...
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7537858 |
Catalyst structure and fuel cell having the same
The present invention provides a catalyst structure of high catalytic activity and a fuel cell of high cell output. The catalyst structure comprises a conductive film and catalyst particles formed...
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