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8178453 |
Non-lead glass
To provide a glass containing little B2O3, whereby when its powder is fired, its thermal expansion curve does not have an inflection point, a non-lead glass is provided containing, as represented...
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8166777 |
Glass composition and process for sealing void spaces in electrochemical devices
A glass foaming material and method are disclosed for filling void spaces in electrochemical devices. The glass material includes a reagent that foams at a temperature above the softening point of...
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8163436 |
Solid oxide fuel cell stack having a glass sealant composition
Solid oxide fuel cell stack obtainable by a process comprising the use of a glass sealant with composition 50-70 wt % SiO2, 0-20 wt % Al2O3, 10-50 wt % CaO, 0-10 wt % MgO, 0-2 wt % (Na2O+K2O), 5-10...
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8153328 |
Carbon fuel cells with carbon corrosion suppression
An electrochemical cell apparatus that can operate as either a fuel cell or a battery includes a cathode compartment, an anode compartment operatively connected to the cathode compartment, and a...
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8148032 |
Fuel cell and fuel cell stack
A fuel cell includes a membrane electrode assembly and first and second metal plates sandwiching the membrane electrode assembly. The first metal plate has positioning ribs for positioning the...
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8133636 |
Fuel cell stack and manufacturing method of the same
A fuel cell stack includes a membrane electrode assembly including an anode electrode, a cathode electrode, and an electrolyte membrane positioned between the anode electrode and the cathode...
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8119302 |
One-step method of bonding and sealing a fuel cell membrane electrode assembly
A method is provided for making an edge-sealed fuel cell membrane electrode assembly comprising the steps of: i) providing a suitable membrane electrode assembly lay-up; ii) positioning a suitable...
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8101318 |
Method for fuel cell assembly with springs and pins
A spring loaded direct oxidation fuel cell assembly reduces the effects of precompression relaxation. A near flat spring and a distribution plate form a spring assembly that is disposed between a...
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8097380 |
Fuel cell body, fuel cell unit, fuel cell stack, and fuel cell device including each of them
A fuel cell unit (1) according to the present invention comprises a fuel cell (6) having an inner electrode layer (16), an outer electrode layer (20) and a through passage (15); and inner and outer...
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8084165 |
MEA, MEA manufacturing method, and polymer electrolyte fuel cell
An MEA having an MEA body part 5C; a frame 6 made of a plate-like thermoplastic resin; and gaskets 7 formed on opposed surfaces of the frame 6 so as to hold the frame 6 between. The gaskets 7 each...
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8067130 |
Catalyst-coated membrane with integrated sealing material and membrane-electrode assembly produced therefrom
The invention relates to a catalyst-coated ion-conducting membrane and a membrane-electrode assembly (MEA) for electrochemical devices, in particular for fuel cells. The catalyst-coated,...
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8057954 |
Membrane-electrode assembly including guard gasket
Disclosed is a membrane-electrode assembly (MEA) that prevents an electrolyte membrane from being damaged upon the fabrication of a single cell or a stack of fuel cells. The MEA further includes a...
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8057955 |
Wet-seal caulk for carbonate fuel cell
A caulk is provided for use in a fuel cell system having an externally manifolded fuel cell stack, forming a gas seal between a manifold gasket and the stack face. The caulk is formed of a ceramic...
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8048550 |
Fluoroelastomer gasket compositions
A gasket elastomer precursor of admixed fluoroelastomer particulate, curing agent, and metallic oxide reduction-agent optionally admixed with any of microspheres, inert particulate, PTFE particles....
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8012284 |
Method and apparatus for fabricating roll good fuel cell subassemblies
Fabrication methods for making a gas diffusion layer incorporating a gasket (GIG) fuel cell subassemblies via roll-to-roll processes are described. A material processable by one or both of heat and...
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8012647 |
Membrane-electrode unit and fuel elements with increased service life
The invention relates to a membrane-electrode unit comprising a) two electrochemically active electrodes divided by a polymer electrolytic membrane, wherein the surfaces of said polymer...
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7993499 |
Membrane electrode unit for the electrolysis of water
The invention relates to membrane-electrode assemblies for the electrolysis of water (electrolysis MEAs), which contain an ion-conducting membrane having a front and rear side; a first catalyst...
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7989118 |
System and method for manufacturing fuel cell stacks
A method of manufacturing a fuel cell stack is provided. The method provides forming an inspectable preassembly of multiple fuel cell assemblies that may be termed a pseudostack. Each fuel cell in...
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7977004 |
Compliant seals for solid oxide fuel cell stack
A seal assembly for a solid oxide fuel cell stack, includes at least two fuel cell stack components having opposed surfaces and a seal member disposed between the surfaces, wherein the seal member...
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7977011 |
Fuel stack structure with an adhesive layer
(1) In a fuel cell stack structure wherein a stack is formed by stacking cells each of which is formed by sandwiching an MEA between two separators, an adhesive layer 33a is provided between the...
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7960072 |
MEA with catalyst for oxidation of carbon monoxide
A fuel cell comprising an ionically conductive membrane with an electrode. The electrode is disposed adjacent the ionically conductive membrane and an electrically conductive member is disposed...
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7955751 |
Hardware system for high pressure electrochemical cell
An electrochemical cell has an anode cavity and a cathode cavity. The anode cavity and the cathode cavity sandwich an electrochemically conductive medium. The anode cavity and/or the cathode cavity...
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7955750 |
Controlled electrode overlap architecture for improved MEA durability
A membrane electrode assembly includes a membrane layer, a cathode or anode catalyst layer adjacent to a surface of the membrane layer, an anode or cathode catalyst layer adjacent to an other...
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7927759 |
Fuel cell stack
A fuel cell stack is provided with a plurality of stacked separators. This fuel cell stack includes: terminals that extend from the separators; packing in which are formed a plurality of through...
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7914940 |
Fuel cell providing improved stack and cooling plate
A fuel cell stack having an improved sealing structure of a cooling plate in which the cooling plates therein each have a coolant flow channel through which a coolant flows to remove heat from the...
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7914943 |
Integrated seal for fuel cell assembly and fuel cell stack
A solid polymer fuel cell comprising a membrane electrode assembly that is in adhesive contact with a first flow field plate around the circumferential edge of the membrane electrode assembly and...
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7914944 |
Atmosphere open type fuel cell
There is provided a fuel cell including a fuel cell unit having a membrane electrode assembly having catalyst layers provided on both surfaces of a polymer electrolyte membrane, the membrane...
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7901837 |
Structures for dense, crack free thin films
The process described herein provides a simple and cost effective method for making crack free, high density thin ceramic film. The steps involve depositing a layer of a ceramic material on a...
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7855030 |
Inhibitor for prevention of braze migration in solid oxide fuel cells
During manufacture of an SOFC assembly, an inhibitor is included to prevent migration of silver braze during subsequent use of the SOFC assembly. The inhibitor may take any of several forms, either...
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7816055 |
Compact fuel cell
A novel electrochemical cell which may be a solid oxide fuel cell (SOFC) is disclosed where the cathodes (144, 140) may be exposed to the air and open to the ambient atmosphere without further...
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7799484 |
Gasket for electrolyte membrane
In order to provide a gasket which has a good handling property as a gasket used for a fuel battery or a gasket for an HDD, can be easily integrated with the other end mounting member even in the...
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7794894 |
Multi-layer seal for electrochemical devices
Multi-layer seals are provided that find advantageous use for reducing leakage of gases between adjacent components of electrochemical devices. Multi-layer seals of the invention include a gasket...
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7785725 |
Compound for a solid oxide fuel cell stack gasket
In a solid-oxide fuel cell assembly comprising a plurality of components having electrically-conductive mating surfaces therebetween, the surfaces are sealed by an electrically insulating gasket...
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7771887 |
Metal hydride fuel storage and method thereof
An apparatus having a first substrate having (1) a cavity, (2) one or more resistive heaters, and (3) one or more coatings forming a diffusion barrier to hydrogen; a second substrate having (1) an...
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7758991 |
Fuel cell
A coolant flow field is formed on a surface of a second metal separator. Further, a rubber bridge dividing the coolant flow field and a coolant supply passage is formed on the surface. The rubber...
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7670708 |
Solid polyelectrolyte fuel cell
Provided is a solid polyelectrolyte fuel cell capable of suppressing a gas leak between a fuel electrode film side and an oxide electrode film side by suppressing deterioration of a solid...
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7655343 |
Liquid fuel supply type fuel cell
A fuel cell (100) which has an electrode-electrolyte joined article (101) composed of a fuel electrode (102), an oxidizing agent electrode (108) and, sandwiched thereby, a solid polymer electrolyte...
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7591647 |
Support structure
A support structure of the present invention includes a fixation member directly or indirectly heated, a supported object supported by the fixation member, and a sliding member provided on an outer...
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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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7547403 |
Electroconductive resin composition
To provide a resin material excellent in electric conductivity and judiciously usable in the manufacture of fuel cell separators and so forth. An electroconductive resin composition which comprises...
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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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7494738 |
Fuel cell separator and method of manufacturing the same
A method of manufacturing a fuel cell separator, includes the steps of: preparing a first sheet, which is formed with a main material containing, therein, expanded graphite material and binder, and...
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7485389 |
Electrochemical fuel cell stack
An electrochemical fuel cell stack includes a membrane electrode assembly and a distributor plate. The distributor plate includes a channel region having gas channels for distributing reaction gas...
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7465503 |
Molding material for fuel cell separator and method for preparing the same
Disclosed herein is a method for preparing a molding material for a fuel cell separator by dissolving an epoxy resin, a hardener and other additives in acetone and mixing a planar expanded graphite...
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7452623 |
Electrochemical cell bipolar plate with sealing feature
A bipolar plate for an electrochemical cell having a first side, a second side, and a sealing region is disclosed. The first side has a first fluid flow region bordered by a first sealing region,...
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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) ZrO2 {xSc2O3 (where x is a number...
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7407717 |
Protective coating for substrates that are subjected to high temperatures and method for producing said coating
A method is disclosed for producing a protective coating on a chromium oxide-forming substrate, which comprises the steps of: (a) applying on the chromium-oxide-forming substrate having at least...
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7393606 |
Seal structure for fuel cell separator
A seal structure of separator for fuel cell comprising: two separators disposed opposite to one another, which have electrode portions, manifold portions circulating fuel gas fed to said electrode...
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7354675 |
Apparatus and method for maintaining compression of the active area in an electrochemical cell
An electrochemical cell includes a first electrode, a second electrode, a proton exchange membrane disposed between and in intimate contact with the electrodes, and a pressure pad disposed in...
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7351492 |
Solid oxide type fuel cell-use electrode support substrate and production method therefor
Disclosed is an electrode support substrate for a fuel cell which is even, gives a small fluctuation in gas permeability, and is capable of carrying out printing of an anodic electrode with high...
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