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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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7615307 |
Low equivalent weight ionomer
An ionomer and a process for forming the ionomer such that the ionomer has (1) low equivalent weight (below 950, preferably between 625 and 850, and most preferably between 675 and 800) and (2)...
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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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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...
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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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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...
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7579102 |
Low equivalent weight ionomer
An ionomer and a process for forming the ionomer such that the ionomer has (1) low equivalent weight (below 950, preferably between 625 and 850, and most preferably between 675 and 800) and (2)...
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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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7572546 |
Biofuel cell
The present invention discloses a new type of biofuel cell, based on the microbial regeneration of the oxidant, ferric ions. The bio-fuel cell is based on the cathodic reduction of ferric to...
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7572542 |
Nanocarbon composite structure having ruthenium oxide trapped therein
A novel nanocarbon composite structure is provided having trapped ruthenium oxide. By using Ketjen black, and through chemical-mechanical effect utilizing an ultracentrifugal reaction field, both...
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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...
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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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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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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...
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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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7544438 |
Electron mediator, electron mediator immobilized electrode, and biofuel cell using the electrode
An object of the present invention is to provide a highly functional mediator capable of smoothly proceeding electron transfer between an electrode and a biocatalyst based on the premise that the...
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7537853 |
Gel electrolyte, electrode for fuel cell, and fuel cell
A gel electrolyte can have high proton conductivity even at conditions of no humidity and high temperatures and can have increased mechanical strength. The gel electrolyte can include an acid and a...
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7517604 |
Fuel cell electrolyte membrane with acidic polymer
An electrolyte membrane is formed by an acidic polymer and a low-volatility acid that is fluorinated, substantially free of basic groups, and is either oligomeric or non-polymeric.
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7510626 |
Carbon fiber paper and porous carbon electrode substrate for fuel cell therefrom
A carbon fiber paper including carbon fibers having a surface area ratio of 1.05 or more, and a porous carbon electrode substrate for a fuel cell having this carbon fiber paper as a constituent....
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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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7504174 |
Unitized membrane electrode assembly and process for its preparation
The invention provides a unitized membrane electrode assembly having a first gas diffusion backing having sealing edges; a polymer membrane; a second gas diffusion backing having sealing edges; a...
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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...
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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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7494740 |
Microcomposite powder based on flat graphite particles and on a fluoropolymer and objects made from same
The present invention concerns a microcomposite powder comprising: flat graphite particles G LP having sides from 50 to 1000 μm and a thickness from 5 to 50 μm, consisting of agglomerates of...
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7482089 |
Fuel cell
A fuel cell is provided having a positive electrode layer ( 13 ) and a negative electrode layer ( 14 ) disposed on the front and rear sides of an electrolyte membrane ( 12 ), for generating...
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7479469 |
Electrode catalyst fine particles, dispersion of the same, and process for producing the dispersion
Provided is a process for producing electrode catalyst fine particles capable of affording formed catalysts such as membranes excellent in uniformity and strength and also employable as catalyst to...
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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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7473486 |
Catalyst-coated membrane, membrane-electrode assembly, and polymer electrolyte fuel cell
An object of the present invention is to provide a catalyst-coated membrane suitable for achieving a polymer electrolyte fuel cell that sufficiently prevents a decrease in the initial...
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7473485 |
Extended electrodes for PEM fuel cell applications
A membrane electrode assembly includes an anode; a cathode; a membrane disposed between the anode and the cathode; and an extended catalyzed layer between the membrane and at least one electrode of...
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7468340 |
Metal-supported porous carbon film, fuel cell electrode and fuel cell employing the electrode
A metal-supported porous carbon film wherein metal fine particles with a mean particle diameter of 0.7-20 nm are dispersed and supported on pore surface walls, fuel cell electrodes employing the...
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7468219 |
Fuel cell
The invention provides a fuel cell which comprises a solid polymer electrolyte sandwiched between a cathode to which an oxidizing agent gas is supplied and an anode to which a reducing agent gas is...
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7465504 |
Direct oxidation fuel cell and system operating on concentrated fuel using low oxidant stoichiometry
A direct oxidation fuel cell system includes a membrane electrode assembly (MEA), a high concentration fuel and an oxidant source. Embodiments include a controller for adjusting the oxidant...
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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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7459223 |
Electrochemical methods for generation of a biological proton motive force
Disclosed are methods using neutral red to mediate the interconversion of chemical and electrical energy. Electrically reduced neutral red has been found to promote cell growth and formation of...
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7455928 |
Diffusion media for use in a PEM fuel cell
A diffusion media is provided for implementation with a PEM fuel cell. The diffusion media is a permeable sheet that is rigid along a transverse axis, flexible along a lateral axis and has a...
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7452626 |
Fuel cell for portable radio-electronic equipment
The invention relates to the field of alcohol-air fuel cells (FC) designed for use in portable radio-electronic equipment, such as cellular phones, notebooks, etc. In accordance with the invention...
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7445647 |
Method for making a single unit fuel cell
A method for making fuel cells is disclosed and includes placing catalyst strips on an anode side and a cathode side of a proton exchange membrane disposed between carbon bases. The method includes...
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7432009 |
Lamination apparatus and methods
Components for the manufacture of polymer electrolyte membrane fuel cells are provided, as well as apparatus and automatable methods for their manufacture by rotary die cutting and by lamination of...
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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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7416810 |
Low contact resistance PEM fuel cell
A PEM fuel cell having a current collector comprising a polymer composite and a diffusion media engaging said polymer composite. The polymer composite has a hyperconductive surface layer engaging...
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7416809 |
Catalyst materials for fuel cells
An improved direct liquid-feed fuel cell having a solid membrane electrolyte for electrochemical reactions of an organic fuel. Improvements in interfacing of the catalyst layer and the membrane and...
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7410718 |
Aerogel and xerogel composites for use as carbon anodes
Disclosed herein are aerogel and xerogel composite materials suitable for use as anodes in fuel cells and batteries. Precursors to the aerogel and xerogel compounds are infused with inorganic...
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7407722 |
Gas diffusing electrode body, method of manufacturing the same and electrochemical device
A gas diffusing electrode, an electrochemical device, such as fuel cell, employing same and methods of manufacturing same are provided. The gas diffusing electrode at least includes layers made of...
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7405021 |
Water-retaining anode structure for a fuel cell
A novel anode structure for making a proton exchange membrane fuel cell (PEMFC) tolerant to incidences of cell reversal includes an electrocatalyst layer having at least one electrocatalyst and at...
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7405015 |
Ionomer for use in fuel cells and method of making same
The reaction product of a monomer comprising phthalazinone and a phenol group, and at least one sulfonated aromatic compound. The monomer comprising phthalazinone and a phenol group is used in a...
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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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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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7384686 |
Porous composite product in particular with a high specific surface preparation process and electrode formed of a porous composite film for an electro-chemical assembly
A porous composite product in the form of a film with a high specific surface. Used in a wide range of electrochemical products especially in the field of selective membranes, packaging or...
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