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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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7615297 |
Fuel cell
A fuel cell of the invention has a hydrogen permeable metal layer, which is formed on a plane of an electrolyte layer that has proton conductivity and includes a hydrogen permeable metal. The fuel...
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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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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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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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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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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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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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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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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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7566513 |
Solid electrolyte fuel cell with a multi-layer cathode formed of a solid electrolyte and electrode admixture
A solid electrolyte fuel cell including a cathode layer formed on one surface of a solid electrolyte layer and an anode layer formed on the other surface of the solid electrolyte layer, wherein 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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7553578 |
Fuel cell membrane electrode assembly with sealing surfaces
The present invention provides a method of making a gasketed fuel cell membrane electrode assembly by simultaneously binding together the parts of the MEA, impregnating uncured elastomeric gasket...
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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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7534513 |
Membrane electrode assembly for a tube-shaped fuel cell and tube-shaped fuel cell
A membrane electrode assembly ( 11 ) for a tube-shaped fuel cell, which is provided with a tube-shaped solid electrolyte membrane ( 1 ); an outside catalyst electrode layer ( 2 ) formed on an outer...
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7521141 |
Innovative method for the preparation of proton conducting nanopolymeric membranes for use in fuel cells or in catalytic membrane reactors
The invention is based on the preparation of an organic solution of preferably phosphonic acids and tetravalent metals salts, preferably of Zr, Ti, Sn and Ce, in organic solvents, which behaves as...
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7517606 |
Fuel cells and batteries including metal-carbon composite powders
A fuel cell comprising a catalytic layer including substantially spherical metal-carbon catalyst particles having a weight average particle size of at least about 0.1 micron and not greater than...
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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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7494739 |
Fuel cell
A fuel cell. The anode of the fuel cell comprises a hydrogen oxidation catalyst comprising a finely divided metal alloy particulate. The metal alloy particulate has an average particle size of less...
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7491462 |
Electrolyte membrane for fuel cell operable in medium temperature range, fuel cell using the same, and manufacturing methods therefor
The invention provides an electrolyte membrane that allows an operating temperature of a solid polymer membrane fuel cell to be raised and an operating temperature of a solid oxide fuel cell to be...
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7488788 |
Electrolyte polymer for polymer electrolyte fuel cells, process for its production and membrane-electrode assembly
To provide an electrolyte polymer for polymer electrolyte fuel cells, made of a perfluorinated polymer having sulfonic groups, characterized in that in a test of immersing 0.1 g of the polymer in...
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7488547 |
Fuel cell, components and systems
Alkali fuel cells, systems, and related methods, and flow-through, high-surface area electrodes, are employed to generate electricity. The electrode can include a porous substrate comprising a...
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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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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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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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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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7422822 |
Single cell for a solid oxide fuel cell
A single cell for SOFC operating at low temperatures is provided, including a first solid electrolyte with oxide ion conductivity at 800° C. of 0.015 S/cm or more and bending strength of 600 MPa...
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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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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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7410720 |
Fuel cell and method for manufacturing the same
An electrode sheet ( 489 ) is put in one side of a solid electrolyte membrane ( 114 ) at its cut portion. A base member ( 110 ) for an oxidant electrode side current collector electrode sheet ( 499...
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7407721 |
Direct oxidation fuel cell operating with direct feed of concentrated fuel under passive water management
A passive direct oxidation fuel cell system, which uses a high concentration fuel such as neat methanol as a direct feed to an anode aspect of the fuel cell, is provided. The fuel cell includes a...
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7399393 |
Oxide ion conductive ceramic membrane structures for high-pressure oxygen production
The invention concerns an oxide ion conductive ceramic membrane, characterized in that it comprises a non-null finite volume with non-null total thickness E, comprising, a dense layer (CD) of 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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7377948 |
Layered electrochemical cell and manufacturing method therefor
Methods of the present invention are provided for forming a plurality of electrochemical cell layers, each cell layer generally including a pair of electrodes and a separator electrically...
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7371481 |
Electrode having macropores and micropores therein
An electrode is disclosed. The electrode includes a substrate having macropores therein. A barrier support layer, established on the substrate, has micropores therein. The macropores and at least...
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7368200 |
Composite polymer electrolyte membranes and electrode assemblies for reducing fuel crossover in direct liquid feed fuel cells
A composite proton exchange membrane includes first and second outer proton exchange membrane layers each having an exterior peripheral portion. An inner proton exchange membrane layer is...
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7361426 |
Surface structure for enhancing catalyst reactivity and method of manufacturing thereof
A method of enhancing catalyst reactivity includes (1) depositing a conductive oxide on a suitable substrate, (2) depositing a thin film of catalyst on top of the conductive oxide to form a...
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7351488 |
Structures and fabrication techniques for solid state electrochemical devices
Porous substrates and associated structures for solid-state electrochemical devices, such as solid-oxide fuel cells (SOFCs), are low-cost, mechanically strong and highly electronically conductive....
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7348092 |
Apparatus for and method of forming seals in fuel cells and fuel stacks
A sealing technique is provided for forming complex and multiple seal configurations for fuel cells and other electrochemical cells. To provide a seal, for sealing chambers for oxidant, fuel and/or...
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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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7344791 |
Electrolytic membrane for fuel cell and its manufacturing method, and fuel cell and its manufacturing method
A conventional direct methanol solid polymer fuel cell comprises a solid polymer electrolyte as an electrolyte. This type of cell involves some problems; methanol permeates the membrane; the...
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7344571 |
Hydrogen generator
A hydrogen generator includes a housing, a solid hydrogen source disposed within the housing, and an inlet configured to guide a fluid to contact the solid hydrogen source. The inlet can contact a...
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7312174 |
Method for preparing highly loaded, highly dispersed platinum metal on a carbon substrate
The invention is directed to a simple method for preparing highly dispersed, highly loaded platinum metal elements on various carbon substrates, including conductive carbon black, which is utilized...
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