Matches 51 - 100 out of 1040 < 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 >
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7291417 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...
7291414 Reactant feed for nested stamped plates for a compact fuel cell  
A fuel cell in a fuel cell stack that provides a transition from nested bipolar plates in the active region of the stack to non-nested bipolar plates in the inactive regions of the stack without...
7288336 Membrane electrode assembly of solid polymer electrolyte fuel cell  
A membrane electrode assembly for solid polymer electrolyte fuel cell includes an anode electrode, a cathode electrode, and a polymer electrolyte membrane sandwiched by these electrodes, the...
7288335 Alkaline electrode tape  
The invention is a consumable Alkaline electrode for use in an Electrolytic Fuel Cell. The electrode system incorporates an intermediate perforated tape between the carrier insulation tape holding...
7284411 Method 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...
7282294 Hydrogen storage-based rechargeable fuel cell system and method  
A dual mode electrochemical system comprises a first electrode capable of storing hydrogen, a second electrode, a substantially electrically insulating and substantially ionically conducting...
7282293 Passive water management techniques in direct methanol fuel cells  
Passive water management techniques are provided in an air-breathing direct oxidation fuel cell system. A highly hydrophobic component with sub-micrometer wide pores is laminated to the catalyzed...
7282280 Method for producing a melt carbonate-fuel cell and to melt carbonate fuel cells  
The invention relates to a method for producing a melt carbonate fuel cell comprising a cathode layer made from porous nickel oxide, an anode layer made from porous nickel and a melt arranged...
7273671 Fuel cell and method for making the same  
In a fuel cell comprising a tubular casing, an electrolyte layer received in the tubular casing, and a pair of gas diffusion electrodes interposing the electrolyte layer and defining a fuel gas...
7267902 Unitized membrane electrode assembly and process for its preparation  
The invention provides a unitized membrane electrode assembly having improved edge sealing by a one-step compression molding process.
7261960 Apparatus and method for internal stack temperature control  
A fuel cell includes a cathode layer, an anode layer and a heat exchange plate. The heat exchange plate is in heat exchange relationship with one of the anode layer and cathode layer. The heat...
7255956 Environmentally tolerant anode catalyst for a solid oxide fuel cell  
A solid oxide fuel cell includes a cathode, a solid ceramic electrolyte, and an anode comprising a cermet containing an environment tolerant catalyst, such as a fuel starvation and/or a sulfur...
7255955 Hydrous phosphate catalysts with low platinum  
A device is provided having a cathode capable of catalytically reducing oxygen, an anode capable of catalytically oxidizing hydrogen, and an electrolyte in contact with both the anode and cathode....
7255954 Energy devices  
Electrocatalyst powders and energy devices fabricated using electrocatalyst powders and methods for making energy devices. The energy devices, such as fuel cells, have improved performance over a...
7255953 Electrode pattern for solid state ionic devices  
A solid oxide fuel cell electrode is stable during thermal cycling and includes a plurality of discrete geometric elements lightly packed on the electrolyte surface. Preferably, the geometric...
7247402 Power generator and method for forming the same  
The present invention relates to a power generator and method for forming the same. More specifically, the present invention comprises a chamber containing a solid oxide fuel cell (SOFC), with a...
7241527 Method and apparatus for facilitating a chemical reaction  
A method of facilitating a chemical reaction includes raising a temperature of a protective layer covering a catalyst in the presence of a chemical solution.
7241525 Fuel cell layer with reactor frame  
The present invention relates to a fuel cell layer with frames with a central axis comprising: at least a first and second unit fuel cell, wherein the first and second unit fuel cells are disposed...
7241521 Hydrogen/hydrogen peroxide fuel cell  
One embodiment of the present invention includes a technique of performing a catalytic oxidation reaction at an anode to provide hydrogen ions from molecular hydrogen and a catalytic reduction...
7235325 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...
7235324 Catalyst material and method of manufacturing the same and fuel cell using the same  
To use a catalyst material, which has a functional group that covalently binds to a catalyst metal particle on the surface of a catalyst carrier, and a catalyst metal particle that covalently binds...
7232627 Electrode for solid polymer fuel cell  
An electrode for a solid polymer fuel cell includes a gas diffusion layer, an electrode catalyst layer disposed between a solid polymer membrane of the fuel cell and the gas diffusion layer, and a...
7232624 Membrane and electrode assembly, production method of the same and fuel cell employing the same  
Provided is a method of producing a membrane and electrode assembly (MEA) comprising: mixing a metal catalyst with pure water, perfluorinated polymer ionomer and a polar organic solvent to prepare...
7226690 Catalyst material and method of manufacturing the same and fuel cell using the same  
To use a catalyst material, which has a functional group that covalently binds to a catalyst metal particle on the surface of a catalyst carrier, and a catalyst metal particle that covalently binds...
7226689 Method of making a membrane electrode assembly for electrochemical fuel cells  
A membrane electrode assembly may be made using a one-sided catalyst coated membrane (CCM) wherein only one catalyst layer, either the anode or the cathode, is coated directly on the ion-exchange...
7226685 Constituent part for fuel cell  
In order to reduce an assembling man hour of the constituting part for the fuel battery and prevent wrinkles from being generated in an electrolyte membrane, in a constituting part for a fuel...
7226675 Very low emission hybrid electric vehicle incorporating an integrated propulsion system including a fuel cell and a high power nickel metal hydride battery pack  
A very low emission hybrid electric vehicle incorporating an integrated propulsion system which includes a fuel cell, a metal hydride hydrogen storage unit, an electric motor, high specific power,...
7220693 Fuel cell catalyst electrodes  
Acidic groups such as those in the sulfonic acid family have been successfully linked onto the surface of carbon used as catalyst support. Electrodes made using such sulfonated catalysts as used in...
7220509 Constituents and methods for protecting fuel cell components, including PEMs  
A fuel cell comprising a membrane electrode assembly (MEA) that is made up of a membrane sandwiched between first and second electrodes, a contaminant peroxide, damaging to the MEA, and at least...
7220506 Hybrid monolithic fuel cell  
The present disclosure relates to hybrid monolithic fuel cells. In one embodiment, the fuel cells comprise a monolithic substrate composed of a metal material and an electrolyte material, the...
7211345 Membrane electrode assemblies for use in fuel cells  
Electrocatalyst powders and methods for producing electrocatalyst powders, such as carbon composite electrocatalyst powders. The powders have a well-controlled microstructure and morphology. The...
7208439 Gold-based alloy nanoparticles for use in fuel cell catalysts  
A method is featured for fabricating Carbon-supported AuPt nanoparticle catalysts for fuel cells, and particularly fuel cells using methanol as the fuel. The method prepares AuPt-based fuel cell...
7208437 Catalyst and method for its manufacture  
A catalyst is synthesized by a method in which a catalytic metal such as platinum or another noble metal is dispersed onto a support member. A transition metal macrocycle is also adsorbed onto the...
7208244 Di-ruthenium-substituted polyoxometalate electrocatalyst and method of oxygen generation  
A catalyst comprising a di-ruthenium-substituted polyoxometalate, especially Na 14 [Ru 2 Zn 2 (H 2 O) 2 (ZnW 9 O 34 ) 2 ] with a Ru—Ru distance of 0.318 nm and a method of using the...
7205255 Electrode catalyst for fuel cell and method for production thereof  
An electrode catalyst for a fuel cell is provided which excels in catalytic activity and catalytic durability. The electrode catalyst for the fuel cell has noble metal-containing particle deposited...
7205064 Emulsions for fuel cells  
A method for transporting a gas to an electrode in a fuel cell is provided, whereby the gas is dissolved in an emulsion comprising a fluorinated hydrocarbon, a surfactant and an aqueous electrolyte...
7205063 Lanthanum gallate-based sintered body, manufacturing method thereof, and solid oxide fuel cell using the same as solid electrolyte  
A lanthanum gallate-based sintered body comprises a base material formed of lanthanum gallate-based oxide, and grains having a K 2 NiF 4 structure and/or grains having a layered perovskite...
7201993 Polymer electrolyte fuel cell  
The present invention provides a polymer electrolyte fuel cell having an increased reaction area by forming a gas channel, a proton channel and an electron channel very close to each other inside a...
7201985 Inactive end cell assembly for fuel cells for improved electrolyte management and electrical contact  
An assembly for storing electrolyte in a carbonate fuel cell is provided. The combination of a soft, compliant and resilient cathode current collector and an inactive anode part including a foam...
7192670 Fuel cell and membrane electrode assembly  
A fuel cell has an anode, a cathode, and a polymer electrolyte membrane placed between the anode and the cathode. The anode includes a catalyst which is composed of binary or ternary particulates...
7186665 Production of low-temperature fuel cell electrodes  
A process for the production of electrodes for fuel cells includes applying an ink consisting of a mixture of at least a carbon powder, an ion-conducting polymer and a fluid, the fluid containing...
7176157 Anode structure  
An anode structure comprising a ruthenium catalyst is disclosed. The catalyst consists essentially of ruthenium deposited on a conducting support wherein the ruthenium is in metallic form or in a...
7175929 Fuel cell, method of manufacturing the same, and fuel cell stack including the same  
A fuel cell includes: a membrane electrode assembly (MEA) including a polyelectrolyte membrane having first and second sides to which a fuel electrode and an air electrode are joined, respectively;...
7169501 Fuel cell  
A single chamber fuel cell comprised of a cell arranged in a mixed fuel gas comprised of hydrogen or another fuel gas and oxygen, wherein the cell used is a pn junction type semiconductor having...
7169500 Membrane-electrode assembly of fuel cell, production method of the same, and fuel cell employing the same  
The present invention provides a method for producing a membrane and electrode assembly (MEA) of a fuel cell, the method comprising: forming a composition for forming a catalyst layer by mixing a...
7169498 Fuel cell and method for making the same  
In a fuel cell comprising a tubular casing, an electrolyte layer received in the tubular casing, and a pair of gas diffusion electrodes interposing the electrolyte layer and defining a fuel gas...
7163760 Fuel cell stack having a bypass flow passage  
A bypass plate and an intermediate plate are interposed between a stack body and a negative electrode terminal of a fuel cell stack. An oxygen-containing gas passage extends through the bypass...
7157177 Porous fuel cell electrode structures having conformal electrically conductive layers thereon  
The present invention discloses porous fuel cell electrode structures, assemblies, and systems having one or more conformal metallic layers selectively deposited on one or more pore surfaces, as...
7157176 Membrane-electrode assembly for polymer electrolyte fuel cell, and process for its production  
A process for producing a membrane-electrode assembly for a polymer electrolyte fuel cell comprising an anode and a cathode each having a catalyst layer, and an ion exchange membrane disposed...
7157175 Solid polymer electrolyte membrane fuel cell electrode catalyst layer  
A solid polymer electrolyte membrane fuel cell electrode catalyst layer comprises Pt particles carried on a carbon carrier and a solid polymer electrolyte, wherein a center-to-center distance...
Matches 51 - 100 out of 1040 < 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 >