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7622217 |
Fuel cell nanocatalyst
A fuel cell cathode catalyst is provided comprising nanostructured elements comprising microstructured support whiskers bearing nanoscopic catalyst particles; wherein the catalyst comprises...
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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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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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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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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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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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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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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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7550223 |
Method of making metal-polymer composite catalysts
A metal-polymer-carbon composite catalyst for use as a cathode electrocatalyst in fuel cells. The catalyst includes a heteroatomic polymer; a transition metal linked to the heteroatomic polymer by...
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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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7544384 |
Methods of making coated battery components
A primary lithium battery can include a current collector that includes aluminum, a cap that includes aluminum, or both. The current collector can be coated with a cathode material The aluminum...
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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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7510819 |
Thin film solid oxide fuel cell with lithographically patterned electrolyte and anode layers
A thin film solid oxide fuel cell (TFSOFC) having a porous metallic anode and a porous cathode is provided. The fuel cell is formed by using a continuous metal foil as a substrate onto which is...
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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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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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7498097 |
Fuel cell and production method thereof
In order to prevent the crossover of an organic fuel such as methanol in a fuel cell and to exhibit excellent electricity generation characteristics without impairing the utilization efficiency of...
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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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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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7445742 |
Imprinting nanoscale patterns for catalysis and fuel cells
A method and mold for creating nanoscale patterns in an ion-selective polymer membrane is provided, in which a mold comprising a substrate and a molding layer having at least one protruding feature...
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7435495 |
Liquid materials for use in electrochemical cells
Disclosed is the use of liquid precursor materials to prepare a processible polymeric electrolyte, which can be used to form a proton exchange membrane for use in an electrochemical cell. Also...
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7432221 |
Electrocatalyst for fuel cells using support body resistant to carbon monoxide poisoning
Disclosed is an electrocatalyst for fuel cells, in which a porous carbon material including pores having a diameter smaller than a kinetic diameter of carbon monoxide is used as a support body and...
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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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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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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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7416579 |
Preparing nanosize platinum-titanium alloys
Nanometer sized particles containing titanium and platinum are prepared by a sonochemical process. Compounds of the metals are dissolved, suspended, or diluted in a low vapor pressure liquid...
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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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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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7396794 |
Gas diffusive electrode body and method of manufacturing the same as well as electrochemical device
A gas diffusive electrode, an electrochemical device employing same, and methods of manufacturing and using same are provided. The gas diffusive electrode includes platinum powder and carbon powder...
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7393473 |
Method for producing a composite plated product
There is provided a composite plated product wherein a coating of a composite material containing carbon particles in a silver layer is formed on a substrate, the composite plated product having a...
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7390528 |
Method for forming functional porous layer, method for manufacturing fuel cell, electronic device, and automobile
To provide an efficient method to form a functional porous layer, a functional material being supported on a porous material such that the content of the functional material has a desired...
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7384996 |
Phosphorus-containing polymer compound, synthesizing method thereof, antioxidant, high-durability polymer electrolyte composite, electrode, and fuel cell
The invention provides phosphonated poly(4-phenoxybenzoyl-1,4-phenylene), and synthesizing method thereof, an antioxidant formed of phosphonated poly(4-phenoxybenzoyl-1,4-phenylene), a...
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7378178 |
Catalyst support material for fuel cell
A catalyst support material useful in a membrane electrode assembly is presented. The support catalyst material is elongate electrically anisotropic particles of flexible graphite, and the membrane...
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7361620 |
Catalytically active layer
A catalytically active layer that is used, for example, as an electrode for a solid electrolyte-based sensor element of a gas sensor for determining a gas component in a gas mixture. The...
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7351444 |
Low platinum fuel cell catalysts and method for preparing the same
This invention provides novel fuel cell catalysts comprising new series of catalytically active thin-film metal alloys with low platinum concentration supported on nanostructured materials...
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7345005 |
Electrocatalysts and processes for producing
Noble metal catalysts and methods for producing the catalysts are provided. The catalysts are useful in applications such as fuel cells. The catalysts exhibit reduced agglomeration of catalyst...
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7332241 |
Cathode layer structure for a solid polymer fuel cell and fuel cell incorporating such structure
A cathode layer structure for a solid polymer fuel cell is disclosed. It comprises a composite cathode layer ( 48 ) of catalyst ( 11 ), anion ion conducting polymer ( 12 ) and cation conducting...
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7320842 |
Electrode catalyst for fuel cell and fuel cell using the same
To provide an electrode catalyst for a fuel cell comprising inexpensive materials substituting for a precious metal catalyst such as platinum, and a fuel cell using the same. Poly (furfuryl...
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7318976 |
Electrodes with adjustable gas permeability, and method of producing such electrodes
An electrode with adjustable gas permeability for electrochemical cells is formed by first and second laminated thin layers. The first serves for determining the overall gas permeability through...
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7316794 |
Continuous production of catalyst coated membranes
A process for the production of catalyst coated membranes, especially catalyst coated membranes for use in fuel cells, that includes applying followed by drying of an electrocatalyst coating...
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7314540 |
Diamond-coated electrode and method for producing same
A diamond electrode having a sufficiently low resistance is disclosed which is realized by increasing the amount of boron added thereto. A method for producing a high-performance, high-durability...
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7306876 |
Method for producing membrane-electrode structure and polymer electrolyte fuel cell
A membrane-electrode structure having an electrode catalyst layer adhered to a diffusion electrode, wherein the structure is manufactured by applying a catalyst paste onto a sheet substrate, and...
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7306824 |
Method for encapsulating nanoparticles in a zeolite matrix
A method for preparing a metal nanocluster composite material. A porous zeolitic material is treated with an aqueous metal compound solution to form a metal ion-exchanged zeolitic material, heated...
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7291419 |
Durable membrane electrode assembly catalyst coated diffusion media with no lamination to membrane
A technique for fabricating an MEA for a fuel cell that is prepared as a catalyst-coated diffusion media (CCDM). The MEA includes a diffusion media layer having a microporous layer. A catalyst...
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7250232 |
Processing techniques for the fabrication of solid acid fuel cell membrane electrode assemblies
Processes, techniques, and compositions used to fabricate high performance solid acid fuel cell membrane electrode assemblies are disclosed. The techniques include preparing the solid acid...
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7241528 |
Catalytic electrodes and production process thereof, and electrochemical devices and fabrication process thereof
Catalytic electrodes, and their production process, as well as electrochemical devices and their fabrication process are provided. The catalytic electrode includes a catalyst layer, which contains...
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7241477 |
Methods of treating electrodes and gas sensors comprising the electrodes
A method for forming an electrode comprises: combining a platinum precursor with a gold precursor to form an electrode ink; forming the electrode ink into an electrode precursor; firing the...
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7229942 |
Supported catalyst and method for preparing the same
The invention provides and a highly-dispersed supported catalyst that has a reduced average particle size of catalytic metal particles and is also supported by a porous support material. A method...
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7226885 |
Method for producing gas diffusion electrodes
With the help of a method for production of a gaseous diffusion electrode from a silver catalyst on PTFE-substrate, it is endeavored to achieve results which can be reproduced, by avoiding the...
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