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7635530 Membraneless electrochemical cell and microfluidic device without pH constraint  
An electrochemical cell, comprises (a) a first electrode, (b) a second electrode, (c) a first fluid, in contact with the first electrode, and (d) a second fluid, in contact with the second...
7608334 Oxidatively stable microlayers of gas diffusion layers  
The present invention is a microlayer for use with an electrically conductive porous substrate of a gas diffusion layer. The microlayer includes carbon particles and a polymeric composition of...
7604893 Electrolyte matrix, particularly for a molten carbonate fuel cell, and method for the production thereof  
Disclosed are an electrolyte matrix, particularly for a molten carbonate fuel cell, comprising a matrix material which contains one or several lithium compounds, aluminum oxide, and a carbide, and...
7601448 Polymer electrolyte membrane and fuel cell  
A polymer electrolyte membrane having outstanding water resistance and high thermal resistance, moreover having practical strength required for use as a polymer electrolyte membrane of a solid...
7597981 Composite electrolyte membrane with nanoscopic dendrimers and method of preparing same  
The present invention relates to a composite electrolyte membrane for fuel cells that has high proton conductivity and low fuel permeability even under low humidity conditions and at elevated...
7595121 Proton conductive polymer, catalyst composite, electrolyte membrane for fuel cell and fuel cell  
The present invention is to provide an electrolyte membrane for fuel cell of low fuel permeability and high proton conductivity and to provide a fuel cell comprising the electrolyte membrane. ...
7579116 Fluoride ion scavenger for fuel cell components  
A fuel cell having a polymer electrolyte membrane containing fluorine atoms distributed along the polymer chains, and metal conductors and/or catalysts, is protected from fluoride ion degradation...
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...
7569297 Fuel cell membranes and crossover prevention  
A membrane electrode assembly for use with a direct organic fuel cell containing a formic acid fuel includes a solid polymer electrolyte having first and second surfaces, an anode on the first...
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...
7563394 Pt/CeO2/electroconductive carbon nano-hetero anode material and production method thereof  
The conventional Pt/second component/electroconductive carbon type anode materials to be utilized as polymer fuel cell-oriented solid electrolytes and in various sensors have been problematic in...
7557166 Gel-type polymer electrolyte and use thereof  
A gel-type polymer electrolyte, wherein said polymer comprises (A) an ethylene-unsaturated carboxylic acid copolymer or a derivative thereof and (B) a polyalkylene oxide having a hydroxyl group at...
7540892 Hydrogen gas generation system  
A system for generating hydrogen gas utilizes a volume exchange housing for the storage of a fuel material that reacts to generate hydrogen gas and a hydrogen separation chamber. The system...
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...
7531261 Textured electrolyte sheet for solid oxide fuel cell  
An electrolyte sheet comprises a body of a varied thickness. The electrolyte sheet has at least one non-porous surface. This non-porous surface is a textured surface with multiple indentations...
7524576 High-lithium electrolyte for use in molten carbonate fuel cells and method for making same  
A high-lithium carbonate electrolyte formed from a eutectic carbonate mixture including lithium carbonate and from an additional lithium-containing component adapted to form lithium carbonate...
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...
7517603 Stressed thin-film membrane islands  
A structure including a support defining an opening, and a tensilely stressed thin-film membrane disposed to occlude the opening, the membrane contacting at least a portion of the support. The...
7517999 Imidazolium compound  
A novel imidazolium compound represented by the following general formula (I), which has an allyl group incorporated in the 3-position of the imidazolium ring. It needs no complicated...
7485391 Proton conductor, process for producing the same, and electrochemical device  
Proton conductors, electrochemical devices employing same and methods of manufacturing same are provided. The proton conductor includes silicon oxide, bronsted acid and a derivative of a...
7470477 Cascaded fuel cell stacks for fast start-up and anode coking control  
A solid-oxide fuel cell system having a relatively large primary fuel cell sub-assembly for steady-state operation and a relatively small secondary fuel cell sub-assembly which is rapidly heatable...
7445867 Electrode structure for solid-polymer type fuel cell  
An electrode structure for a polymer electrolyte fuel cell comprises a pair of electrode catalyst layers and a polymer electrolyte membrane held between the electrode catalyst layers. The polymer...
7438987 Carbon fuel particles used in direct carbon conversion fuel cells  
A system for preparing particulate carbon fuel and using the particulate carbon fuel in a fuel cell. Carbon particles are finely divided. The finely dividing carbon particles are introduced into...
7438837 Method of producing solid electrolyte and solid electrolyte  
A method of producing a solid electrolyte (3, 13) is disclosed wherein solid electrolyte material is prepared having a composition expressed by a formula: (1-x) ZrO 2 {xSc 2 O 3 (where x is a...
7435505 Fuel cell combination  
The invention refers to a fuel cell device comprising an electrolyte device, which comprises an alkaline electrolyte means and an acid electrolyte means, wherein the fuel cell device is formed such...
7423078 Organic-inorganic hybrid material, organic-inorganic hybrid proton-conductive material and fuel cell  
An organic-inorganic hybrid material produced by crosslinking a precursor that is an organosilicon compound having a mesogen group is disclosed. The organic-inorganic hybrid material is favorable...
7413687 Low temperature proton conducting oxide devices  
A device for conducting protons at a temperature below 550° C. includes a LAMOX ceramic body characterized by an alpha crystalline structure.
7411022 Reinforced polymer electrolyte membrane  
A method is provided for making a reinforced polymer electrolyte membrane, such as may be used in electrolytic cells such as fuel cells, by mixing a sulfonate- or sulfonyl halide-functional polymer...
7410716 Electrolyte sheet with protruding features having undercut angles and method of separating such sheet from its carrier  
According to one embodiment of the present invention an electrolyte sheet includes a body of varied thickness, the electrolyte sheet having a textured surface with multiple protruding features. The...
7402356 Solid oxide electrolyte material and method of producing solid oxide electrolyte  
A solid oxide electrolyte material comprising an electrolyte material 50 using oxygen ions as carriers as a base material and a lithium-containing compound 60 added to the base material as a...
7402351 Carboxylic acid-based ionomer fuel cells  
Conductivity of carboxylic acid membranes can be increased for use in fuel cells when the membrane comprises a Lewis base, which has, in its protonated form, a pKa greater than the pKa of the...
7396611 Fuel cell catalyst layer  
Fuel cell catalyst layers, and related systems and methods are disclosed.
7371480 Silica sol composition, membrane electrode assembly with proton-exchange membrane, and fuel cell  
Provided are a proton-exchange membrane of which the ionic conductivity is high and the methanol crossover is low, and a fuel cell of high power that comprises the proton-exchange membrane. The...
7348089 Membrane-electrode assembly for direct methanol type fuel cell and proton conductive membrane  
A membrane-electrode assembly for direct methanol type fuel cell and a proton conductive membrane for direct methanol type fuel cell are disclosed. The membrane-electrode assembly comprises a...
7344801 High-voltage dual electrolyte electrochemical power sources  
An electrochemical device such as a battery and a fuel cell having two electrolytes between the anode and the cathode. The electrochemical device is preferably arranged with an alkaline electrolyte...
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...
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...
7314677 Planar fuel cell and method for the production thereof  
A planar fuel cell comprising an electrode-membrane-electrode assembly, wherein the membrane includes a fabric having a warp fibers which are continuous insulating fibers of an electrically...
7303830 Fuel cell  
A fuel cell powered by direct fuel, for example a direct methanol fuel cell, includes a polymer electrolyte membrane which includes a semi-crystalline polymer. Preferred semi-crystalline polymers...
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...
7258946 Fuel cells and fuel cell systems containing non-aqueous electrolytes  
Fuel cells and fuel cell systems that include at least one non-aqueous electrolyte. Fuel cells according to the present disclosure may include an anode region that is adapted to receive an anode...
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...
7238450 High voltage laminar cathode materials for lithium rechargeable batteries, and process for making the same  
Intercalation cathode materials especially suited for use in high-voltage, high-energy lithium rechargeable batteries, having the formulae Li[Li( 1-2x )/ 3 M y Mn( 2−x )/ 3 Ni( x-y )O 2 , where...
7220510 Sulfonated poly(arylene) films as polyelectrolyte membranes  
Polyelectrolyte membranes suitable for use in a fuel cell are provided as a solid state sulfonation product of particular fluorinated polymers, or alternatively as a fluorination product of...
7214756 Proton conducting membrane, process for its production, and fuel cells made by using the same  
The present invention provides relates to a crosslinkable, proton-conducting membrane having a crosslinked structure, excellent in heat resistance, durability, dimensional stability and fuel...
7208242 Solid polymer type fuel cell  
The present invention provides a polymer electrolyte fuel cell, which is inexpensive and has an excellent efficiency of generating electric power, by using a material alternative to a...
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...
7179560 Composite electrolyte membrane and fuel cell containing the same  
A composite electrolyte membrane for decreasing the crossover of polar organic fuel and a fuel cell employing the membrane are provided. The composite electrolyte membrane includes a modified...
7157173 Fused zirconia-based solid oxide fuel cell  
The disclosure is directed to a solid oxide fuel cell including an electrolyte. The electrolyte is formed using a fused electrolyte powder. The disclosure is also directed to a solid oxide fuel...
7150927 SORFC system with non-noble metal electrode compositions  
A solid oxide regenerative fuel cell includes a ceramic electrolyte, a first electrode which is adapted to be positively biased when the fuel cell operates in a fuel cell mode and in an...
Matches 1 - 50 out of 347 1 2 3 4 5 6 7 >