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Class 502/101 - Making catalytic electrode, process only


Subclass of Class 502 - Catalyst, solid sorbent, or support therefor: product or process of making
Definition: Method or process for manufacturing an electrode having
No. of patents: 414
Last issue date: 02/23/2010


1                      
NumberTitleIssue Date
7666809Electrode catalyst for fuel cell, electrode for fuel cell, and fuel cell
Disclosed is an electrode catalyst for fuel cells, achieving enhanced utilization efficiency of the catalyst. Also disclosed are an electrode for fuel cells by use of the catalyst and a fuel cell. The electrode catalyst for fuel cells is featured in that a compound ...
02/23/2010
7642213Method of producing membrane electrode assemblies for use in proton exchange membrane and direct methanol fuel cells
Compositions and methods for the manufacture of electrodes for fuel cells. The compositions and methods are particularly useful for the manufacture of anodes and cathodes for proton exchange membrane fuel cells, particularly direct methanol fuel cells. The methods c...
01/05/2010
7625833Method of making a membrane electrode assembly
A method of making a five-layer membrane electrode assembly is provided which includes the steps of: providing a catalyst coated membrane web; providing a laminating station wherein the catalyst coated membrane web is drawn between a pair of laminating rollers which...
12/01/2009
7615508Cathode for air assisted battery
A cathode for an air recovery alkaline battery is disclosed. The cathode contains at least about 60% by weight MnO2 and at least about 2% by weight of a hydrophobic polymer; the MnO2 consists essentially of electrochemically synthesized MnO
11/10/2009
7544630Methods 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 repellent carbon material. The methods of manufacturing an electrode for a...
06/09/2009
7507687Electrocatalyst 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 method includes forming the particles from an aerosol of precursors by ...
03/24/2009
7498286Electrocatalyst 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 reaction with a Group VIII noble metal in contact with a component-M o form...
03/03/2009
7435495Liquid 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 disclosed is the use of liquid precursor materials to prepare a processib...
10/14/2008
7432221Electrocatalyst 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 contact probability between an activated metal and carbon monoxide is...
10/07/2008
7419546Gas 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 energy not higher than 500 eV, then to a second beam having an energy o...
09/02/2008
7419741Fuel 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 are made by the alternating application of first and second layers, ...
09/02/2008
7419740Membrane 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 layers. The reaction layers contain noble metal catalysts supported on c...
09/02/2008
7416579Preparing 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 medium, preferably at a sub-ambient temperature. A reducing gas is bubbled ...
08/26/2008
7414004Gas 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 producing a gas diffusion layer for a fuel cell including a first ste...
08/19/2008
7396794Gas 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 or grain, to which carbon powder or grain whose particles are provid...
07/08/2008
7396797Production 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 be used as a fuel electrode and air electrode are formed by reducing...
07/08/2008
7393473Method 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 large content of carbon and a large quantity of carbon particles on t...
07/01/2008
7390528Method 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 concentration distribution in the depth direction of the porous layer, a metho...
06/24/2008
7384996Phosphorus-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 high-durability polymer electrolyte composite formed of a fluoropolymer electroly...
06/10/2008
7378178Catalyst 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 electrode assembly includes a pair of electrodes, an ion exchange me...
05/27/2008
7361620Catalytically 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 catalytically active layer includes a metallic component, that includes a noble...
04/22/2008
7357903Method for reducing NOx during combustion of coal in a burner
An organically complexed nanocatalyst composition is applied to or mixed with coal prior to or upon introducing the coal into a coal burner in order to catalyze the removal of coal nitrogen from the coal and its conversion into nitrogen gas prior to combustion of th...
04/15/2008
7351444Low 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 (nanoparticles). In certain embodiments, an integrated gas-diffusion/electrod...
04/01/2008
7345005Electrocatalysts 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 particles as compared to conventional noble metal catalysts. ...
03/18/2008
7335619Catalyst for fuel electrode of solid polymer fuel cell
There is provided a catalyst for a fuel electrode of a solid polymer fuel cell, wherein the catalyst comprises fine precious metal particles loaded on a support composed of an electrically conductive material, and wherein the weight ratio of the fine precious metal ...
02/26/2008
7332241Cathode 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 polymer (14). The interface between the anion ion ...
02/19/2008
7326480Fuel cell power system and method of controlling a fuel cell power system
A fuel cell power system includes a fuel cell which has an optimal voltage; an energy storage device having a nominal voltage substantially similar to the optimal voltage of the fuel cell; and an electrical switch that, in operation, selectively electrically couples...
02/05/2008
7326488Diffusion film, electrode having the diffusion film, and process for producing diffusion film
A diffusion membrane contains uncalcined polytetrafluoroethylene (PTFE), calcined PTFE and a conductive substance. An electrode has the diffusion layer (membrane) and a catalyst layer disposed thereon. A process for producing diffusion membranes comprises dispersing...
02/05/2008
7320842Electrode 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 alcohol) containing ferrocene is prepared by dissolving ferrocene correspond...
01/22/2008
7318976Electrodes 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 the thickness of the electrode and conducting electricity. The second i...
01/15/2008
7316794Continuous 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 composition, a polymeric dispersion and a second electrocatalyst coating co...
01/08/2008
7314540Diamond-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 electrode is also disclosed by which adhesiveness between a diamond co...
01/01/2008
7311752Electrostatic air filter
The invention is a filter for gaseous media in which nano alumina fibers and second fibers are arranged in a matrix to create asymmetrical pores. The filter is a high efficiency, high capacity particulate filter that intercepts pathogens and other particulate matter...
12/25/2007
7306876Method 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 then dried to form a plurality of electrode catalyst layers. The electr...
12/11/2007
7306824Method 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 at a temperature ramp rate of less than 2° C./min to an elevated tem...
12/11/2007
7300718Electrolyte-electrode joined assembly and method for producing the same
A flattening layer is provided between an anode and a solid electrolyte. The flattening layer has a porosity which is set to be smaller than that of the anode. Large diameter pores, which are open at an end surface of the anode on a side facing the solid electrolyte...
11/27/2007
7291577Hydrometallurgical process for production of supported catalysts
A process for the production of a supported catalyst. The process comprises heating a slurry that comprises a catalyst support and at least one active catalytic ingredient precursor. Gas is introduced to the slurry at a sufficient pressure to reduce the at least one...
11/06/2007
7291417Compositional 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 substantially uniform maximum catalytic activity over the surface of th...
11/06/2007
7291419Durable 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 layer is deposited on the microporous layer so that it covers its entire ...
11/06/2007
7284411Method of making a gas diffusion media and quality controls for same
The present invention discloses various methods in which a quality of a diffusion media for use in a fuel cell assembly can be qualitatively evaluated. The material constant, an internal contact angle, a ratio of high and low energy pores, and an external contact an...
10/23/2007
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