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