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With solid electrolyte

Subclass of:

429 - Chemistry: electrical current producing apparatus, product, and process

429400000 - FUEL CELL, SUBCOMBINATION THEREOF, OR METHOD OF MAKING OR OPERATING

429452000 - Grouping of fuel cells into stack or module

Patent class list (only not empty are listed)

Deeper subclasses:

Class / Patent application numberDescriptionNumber of patent applications / Date published
429466000 Tubular or cylindrical configuration 12
Entries
DocumentTitleDate
20130045434FORM AND FILL SUBGASKET - A method for manufacturing a subgasket for a fuel cell stack having a pair of plates disposed in a stack includes the step of positioning a membrane between the plates. The membrane includes an inboard portion and a tortuous form portion. The inboard portion abuts a proton exchange membrane of the fuel cell, and the tortuous form portion abuts each of the plates. The tortuous form portion defines at least one cavity between one of the plates and the membrane. A viscous sealant is injected into the cavity. The sealant is cured to form a compliant bead seal on the membrane.02-21-2013
20110195332CONDUCTIVE POROUS SPACERS FOR NESTED STAMPED PLATE FUEL CELL - A fuel cell having a pair of bipolar plates is provided. Each of the bipolar plates has a nested active area and a non-nested feed area which also may serve as active area. An electrolyte membrane is disposed between a pair of electrodes and a pair of diffusion medium layers. Each of the diffusion medium layers is disposed adjacent the nested active areas and non-nested feed areas of the bipolar plates. A porous, electrically conductive spacer is disposed between one of the diffusion medium layers and one of the bipolar plates. A fuel cell stack having the fuel cell is also provided.08-11-2011
20120244451PLATED PHOTOPOLYMER BASED FUEL CELL - A fuel cell component includes a first fluid distribution layer, a second fluid distribution layer, a cap layer, a third fluid distribution layer, and a pair of fluid diffusion medium layers. The individual layers are polymeric, mechanically integrated, and formed from a radiation-sensitive material. The first fluid distribution layer, the second fluid distribution layer, the cap layer, the third fluid distribution layer, and the pair of fluid diffusion medium layers are coated with an electrically conductive material. A pair of the fuel cell components may be arranged in a stack with a membrane electrode assembly therebetween to form a fuel cell.09-27-2012
20100323266MATERIAL FOR SOLID OXIDE FUEL CELL INTERCONNECTOR, UNIT CELL FOR SOLID OXIDE FUEL CELL, AND SOLID OXIDE FUEL CELL - An interconnector material having a high degree of densification, a unit cell for a solid oxide fuel cell that has a high degree of gas tightness at the contact interface between the electrolyte and the interconnector, and a solid oxide fuel cell having superior reliability are provided in an inexpensive manner. A material for a solid oxide fuel cell interconnector, comprising (Sr12-23-2010
20130052559Fuel Cell, Fuel Cell Device, Fuel Cell Module, and Fuel Cell Apparatus - A fuel cell capable of suppressing deformation resulting from reduction treatment, a fuel cell device, a fuel cell module, and a fuel cell apparatus are provided, A fuel cell includes a solid electrolyte layer, a fuel electrode layer disposed on the solid electrolyte layer, and an interconnector and an adjustment layer which are disposed on the fuel electrode layer, the interconnector expanding in a reduction atmosphere and the adjustment layer shrinking in a reduction atmosphere, or the interconnector shrinking in a reduction atmosphere and the adjustment layer expanding in a reduction atmosphere. Accordingly, a fuel cell capable of suppressing deformation resulting from reduction treatment can be provided.02-28-2013
20130071769FUEL CELL - Disclosed is a fuel cell provided with a membrane electrode structure having a frame, two separators that sandwich the membrane electrode structure therebetween, and gas seals between the end portion of the frame and the end portions of respective separators, and diffuser sections for distributing a reacting gas to between the frame and respective separators. In the diffuser section on the cathode side, the frame is provided with a protruding section in contact with the separator, and in the diffuser section on the anode side, the frame and the separator are disposed by being spaced apart from each other, thereby excellently maintaining contact surface pressure between the membrane electrode structure and the separators, and preventing contact resistance from being increased.03-21-2013
20130071768MEMBRANE ELECTRODE ASSEMBLY AND FUEL CELL STACK - A membrane electrode assembly including an electrolyte membrane; a catalyst layer on the electrolyte membrane; a gas diffusion layer attached to the catalyst layer; and an adhesive layer between the electrolyte membrane and the gas diffusion layer around an outer edge of the catalyst layer, and a fuel cell stack including a plurality of unit cells, each including one of the membrane electrode assemblies.03-21-2013
20130059225FUEL CELL COMPRISING A MEMBRANE HAVING LOCALIZED IONIC CONDUCTION AND METHOD FOR MANUFACTURING SAME - A fuel cell is provided with an individual cell having first and second electrodes and a membrane formed by a polymer electrolyte including an ionically conducting part. The polymer electrolyte includes at least an ionically non-conducting part forming a first inactive area localized on a first uncovered part not covered by the first electrode and/or a second inactive area localized on a second uncovered part not covered by the second electrode. A cover encloses the cell and is provided with an inner wall mechanically fixed onto at least the first or second inactive area by adhesion means.03-07-2013
20130065154HYDROCARBON COMPOSITE ELECTROLYTE MEMBRANE FOR FUEL CELL - The present invention provides a hydrocarbon composite electrolyte membrane for a fuel cell, which is formed of an inexpensive hydrocarbon electrolyte membrane to ensure mechanical and thermochemical stability. The present invention provides a hydrocarbon composite electrolyte membrane for a fuel cell, the hydrocarbon composite electrolyte membrane including at least one composite electrolyte membrane layer having a structure in which graphene nanostructures are impregnated into a hydrocarbon electrolyte membrane.03-14-2013
20120021326FUEL CELL STACK HAVING TIGHTENING MEMBERS - A fuel cell stack includes a stack body formed by stacking a plurality of fuel cells in a stacking direction, and first and second end plates at both ends in the stacking direction. Long sides of the first and second end plates are fixed together by a pair of tightening members. The tightening member includes a bent portion bent in a direction along a surface of the second end plate, and coupled to the pressure application adjustment device, and a wide portion having a width extended toward the first end plate.01-26-2012
20110300467PROTON EXCHANGE MEMBRANE FUEL CELL STACK AND FUEL CELL STACK MODULE - A proton exchange membrane fuel cell stack and novel proton exchange membrane fuel cell module are disclosed and wherein the proton exchange membrane fuel cell stack includes a plurality of repeating, serially electrically coupled fuel cell stack modules, and which are sealably mounted together by a compressive force of less than about 60 pounds per square inch.12-08-2011
20110300466Chemical Bonding For Catalyst/Membrane Surface Adherence In Membrane Electrolyte Fuel Cells - An alkaline membrane fuel cell including at least one of i) a catalyst coated OH— ion conducting membrane having a catalyst layer and an OH— ion conducting membrane, and ii) a catalyst coated carbonate ion conducting membrane having a catalyst layer and a carbonate ion conducting membrane, respectively, wherein the at least one catalyst layer is chemically bonded to a surface of the at least one membrane, wherein the chemical bonding is established by crosslinking of polymer constituents across an interface between the at least one catalyst layer and the at least one membrane.12-08-2011
20110294031COMPOSITE MEMBRANE AND FUEL CELL - Membrane electrode assemblies are disposed in openings provided in a substrate, respectively. Each membrane electrode assembly includes an electrolyte membrane, an anode catalyst layer, and a cathode catalyst layer. The substrate has an insulating region that insulates a conducting region used to connect an adjacent membrane electrode assembly in series, and an insulating region used to insulate the periphery of the membrane electrode assembly. The conducting region is provided between adjacent membrane electrode assemblies. The conducting region and the insulating region share the same material used for their base portions, and the electric conductivity increases continuously from the insulating region toward the conducting region.12-01-2011
20120189939FUEL CELL, CELL STACK, FUEL CELL MODULE, AND FUEL CELL DEVICE - A fuel cell includes a solid electrolyte layer containing Zr; an intermediate layer containing CeO07-26-2012
20100266925Fuel Cell, Fuel Cell Stack, and Fuel Cell Apparatus - The invention relates to a fuel cell having superior durability by suppressing a reaction between a component contained in a solid electrolyte and an oxygen-side electrode during a long-period operation, a fuel cell stack and a fuel cell apparatus using thereof. A fuel cell (10-21-2010
20110171558FUEL CELL - A fuel cell including a fuel cell stack having a fuel cell unit provided with, in order to enable appropriate control of a wet state before power generation efficiency of the fuel cell is reduced, a polymer electrolyte membrane having one surface thereof provided with an oxidizer electrode and another surface thereof provided with a fuel electrode. The fuel cell unit includes plural power generation cell units and a pair of wet state detection cell units.07-14-2011
20100279194Sulfur Tolerant Anode For Solid Oxide Fuel Cell - A solid oxide fuel cell (SOFC) for use in generating electricity while tolerating sulfur content in a fuel input stream. The solid oxide fuel cell includes an electrolyte, a cathode, and a sulfur tolerant anode. The cathode is disposed on a first side of the electrolyte. The sulfur tolerant anode is disposed on a second side of the electrolyte opposite the cathode. The sulfur tolerant anode includes a composition of nickel, copper, and ceria to exhibit a substantially stable operating voltage at a constant current density in the presence of the sulfur content within the fuel input stream. The solid oxide fuel cell is useful within a SOFC stack to generate electricity from reformate which includes synthesis gas (syngas) and sulfur content. The solid oxide fuel cell is also useful within a SOFC stack to generate electricity from unreformed hydrocarbon fuel.11-04-2010
20100143819POLYMER ELECTROLYTE FUEL CELL AND MANUFACTURING METHOD FOR ELECTRODE-MEMBRANE-FRAME ASSEMBLY - In a manufacturing method for an electrode-membrane-frame assembly in a fuel cell, a first frame member and an electrolyte membrane member are arranged in a first mold for injection molding such that the edge of the electrolyte membrane member is arranged on the first frame member, a second mold is arranged to form a resin flow passage for forming a second frame member which is in contact with the first frame member by interposing the electrolyte membrane member, and a part of the edge of the electrolyte membrane member is pressed and fixed to the first frame member by a presser member mounted on the second mold and a molding resin material is injected into the resin flow passage to form a second frame member.06-10-2010
20110223514OPEN FLOW FIELD FUEL CELL - Provided is a polymer electrolyte membrane fuel cell stack, comprising a first bipolar plate, a second bipolar plate, an electrochemical package comprising a cathode, an anode, and a polymer membrane interposed between the cathode and the anode, an anode compartment disposed between the first bipolar plate and the anode, the anode compartment comprising at least one inlet and at least one outlet, a cathode compartment disposed between the second bipolar plate and the cathode, the cathode compartment comprising at least one inlet and at least one outlet, and wherein the geometric area of the anode compartment is larger than the geometric area of the anode. Also provided is a polymer electrolyte membrane fuel cell stack, comprising a first bipolar plate, a second bipolar plate, an electrochemical package comprising a cathode, an anode, and a polymer membrane interposed between the cathode and the anode, an anode compartment disposed between the first bipolar plate and the anode, the anode compartment comprising at least one inlet and at least one outlet, a cathode compartment disposed between the second bipolar plate and the cathode, the cathode compartment comprising at least one inlet and at least one outlet, and wherein the geometric area of the cathode compartment is larger than the geometric area of the cathode.09-15-2011
20130216930INTERCONNECT-TYPE SOLID OXIDE FUEL CELL AND FUEL CELL STACK HAVING THE SAME - An interconnecting-type solid oxide fuel cell is disclosed. The fuel cell includes a unit cell, a first current collecting member, a first insulating member, and a second current collecting member. The unit cell has a first electrode layer, an electrolyte layer, and a second electrode layer sequentially formed from an inside thereof, and has an interconnector configured for electrical connection to the first electrode layer and exposed to an outside thereof in a state in which the interconnector is insulated from the second electrode layer. The first current collecting member is formed on an outside of the interconnector and configured to collect current. The first insulating member is formed on an outside of the first current collecting member. The second current collecting member is wound around an outer circumferential surface of the second electrode layer and an outside of the first insulating member.08-22-2013
20130122390METHOD OF CONTROLLING THICKNESS OF FORM-IN-PLACE SEALING FOR PEM FUEL CELL STACKS - A sealed assembly is made using sealant including a deformable spacer to control thickness without adversely impacting elasticity and sealing force. Deformable spacers (e.g., elastomer, polyolefin, etc.) are mixed with an elastomeric precursor material and dispensed onto an assembly component, such as a fuel cell bipolar plate, and the remaining component(s) are assembled by pressing against the deformable spacer to ensure a defined seal thickness. The precursor is cured to form a seal that is further compressed to provide an effective sealing force. The deformable spacers control the thickness of a sealed area and allow use of form-in-place sealing processes.05-16-2013
20100216047POWDER CONTAINING ELONGATED GRAINS AND THE USE THEREOF FOR PRODUCING AN ELECTRODE FOR A SOLID OXIDE FUEL CELL - The present invention provides a powder constituted by a set of grains, characterized in that the 10 percentile of the cumulative granulometric distribution of the grain sizes, commencing from the fines, D08-26-2010
20110059383COMBINED CELL STRUCTURE FOR SOLID OXIDE FUEL CELL - A combined cell structure for a solid oxide fuel cell includes a plurality of tube-type or flat-tube-type solid oxide fuel cells combined in series in a longitudinal direction. The combined cell structure includes first and second cells each having a first electrode, a second electrode and an electrolyte layer between the first and second electrodes. The combined cell structure further includes a support member connecting the cells. The support member can include a first sub-support member passing through a hollow portion of the first cell, and a second sub-support member passing through a hollow portion of the second cell. In the combined cell structure, one end of the first sub-support member is fixedly coupled to one end of the second sub-support member. Accordingly, the first and second cells are connected to each other in the direction of reactant flow.03-10-2011
20100151345Electrode Gas Channel Supports and Methods for Forming Internal Channels - A solid oxide fuel cell includes an anode layer, an electrolyte layer over the anode layer, and a cathode layer over the electrolyte layer, wherein at least one of the anode layer and the cathode layer defines at least one gas channel, the gas channel containing at least one support structure. The support structure can have a cross-sectional shape of an I-beam, an arch, a tube defining holes along its length, a porous cylinder, or a U-shaped brace. The support structure can be open at a portion of the gas channel most proximate to the electrolyte layer.06-17-2010
20100239938JOINT-FREE INTEGRATED FUEL CELL ARCHITECTURE - A fuel cell element including an assembly of a membrane, a first electrode, and a second electrode, and a mechanism holding the assembly together, which forms a peripheral support thereof and that includes an electrical connection and a mechanism for circulation of fluid and for supply of the fluid into the assembly.09-23-2010
20120141905SOLID OXIDE FUEL CELL - A solid oxide fuel cell is provided that includes an anode current collecting layer, a cathode, an electrolyte layer, and an anode active layer. The anode current collecting layer contains Ni or NiO, and an oxide represented by a general formula AEZrO06-07-2012
20110111320STACK STRUCTURE FOR LAMINATED SOLID OXIDE FUEL CELL, LAMINATED SOLID OXIDE FUEL CELL AND MANUFACTURING METHOD - A stack structure for a solid oxide fuel cell includes a plurality of stacked single cells, each having a fuel electrode layer including a fuel electrode and an air electrode layer including an air electrode, the fuel electrode layer and the air electrode layer being arranged opposite each other on either side of a solid electrolyte, separators arranged between the stacked single cells to separate the single cells, and non-porous seal parts located within the fuel electrode layer and the air electrode layer, are equivalent to either the separators or the solid electrolyte at least in terms of thermal expansion and contraction characteristics, and are integrated with an edge of the fuel electrode or an edge of the air electrode, and also with the adjacent separator and the adjacent solid electrolyte.05-12-2011
20110033769Electrical Storage Device Including Oxide-ion Battery Cell Bank and Module Configurations - A rechargeable electrical storage device is disclosed, where one embodiment utilizes an anion (“A”) conducting electrolyte (02-10-2011
20110129757FUEL CELL WITH MEMBRANE/ELECTRODE STACK PERPENDICULAR TO THE SUPPORT SUBSTRATE AND METHOD FOR PRODUCING - A fuel cell includes at least one stack the main elements whereof are perpendicular to a support substrate. This stack is provided with an electrolytic membrane situated between a first and second electrode. The first and second electrodes each include a catalytic layer in contact with the electrolytic membrane. Each electrode includes an electrically conductive porous diffusion layer, and each stack is inserted between electrically conductive first and second support partitions perpendicular to the support substrate and constituting current collectors of the stack. The support partitions are electrically insulated from one another.06-02-2011
20110244354Fuel Cell System and Method for Production Thereof - A contact used to electrically connect High-temperature density fuel cells together is provided. The contact includes at least one hollow cord which each has at least three contact surfaces with the fuel cell, of which two contact surfaces connect neighboring anode surfaces and the third contact surface connects the interconnector of the next High-temperature density fuel cell. A method for producing a fuel cells system including high-power density fuel cells is also provided.10-06-2011
20100285387SEGMENTED-IN-SERIES SOLID OXIDE FUEL CELL - There is obtained a segmented-in-series solid oxide fuel cell provided with a current turnaround structure and containing a porous electrically insulating substrate having a fuel flow path extending from a fuel feed port to a fuel discharge port, provided therein, and a pair of the top and back surfaces, in parallel with the fuel flow path, together with a pair of side-faces of the porous electrically insulating substrate, in the transverse direction thereof, provided on the exterior thereof, wherein solid oxide fuel cells made up by sequentially stacking an interconnector adjacent to a fuel electrode layer, the fuel electrode layer, an electrolyte layer, and an air electrode layer, and an interconnector adjacent to the air electrode layer in that order so as to be in parallel with the fuel flow path are disposed at intervals on the pair of the top and back surfaces, respectively.11-11-2010
20100183940FUEL CELL STACK - Provided is a fuel cell stack including stacked unit cells. Each unit cell includes a membrane-electrode assembly and a porous support.07-22-2010
20110256464Fuel Cell, Fuel Cell Module, Fuel Cell Device, and Method of Manufacturing Fuel Cell - There are provided a fuel cell capable of suppressing damage to an end thereof, and a fuel cell module and a fuel cell device that include the fuel cell. In a fuel cell (10-20-2011
20110076587HIGHLY ELECTRICALLY CONDUCTIVE SURFACES FOR ELECTROCHEMICAL APPLICATIONS AND METHODS TO PRODUCE SAME - A method to use a novel structured metal-ceramic composite powder to improve the surface electrical conductivity of corrosion resistant metal substrates by thermal spraying the structured powder onto a surface of a metallic substrate is disclosed. The structured powder has a metal core and is wholly or partially surrounded by an electrically conductive ceramic material such as a metal nitride material. The metal cores may have the ceramic material formed on them prior to a thermal spraying process performed in an inert atmosphere, or the thermal spraying may be performed in a reactive atmosphere such that the ceramic coating forms on the cores during the thermal spraying process and/or after deposition. The metal cores will bond conductive ceramic material onto the surface of the substrate through the thermal spray process.03-31-2011
20120178012SEALING MEMBER FOR SOLID OXIDE FUEL CELL AND SOLID OXIDE FUEL CELL EMPLOYING THE SAME - Disclosed herein are a sealing member for a solid oxide fuel cell and a solid oxide fuel cell employing the same. The sealing member for a solid oxide fuel cell includes: a glass sheet; and mica layers formed on both surfaces of the glass sheet. The sealing member can have excellent airtightness and bonding capability, proper flow characteristics, and high electric resistivity, by constituting the sealing member of the glass sheet and the mica layers.07-12-2012
20120034546FUEL CELL, FUEL CELL STACK AND METHOD FOR SEALING A FUEL CELL - The invention relates to a fuel cell (02-09-2012
20110262828ELECTRODE CATALYST DISPERSION AND INK COMPOSITION - There is provided an electrode catalyst layer that has excellent durability compared to conventional electrode catalyst layers employing carbon supports, and that can minimize as much as possible the amount of catalyst material used while exhibiting desired output, by allowing adjustment of the amount as necessary. The electrode catalyst dispersion of the disclosure comprises catalyst particles that contain a non-conductive support and a conductive catalyst material covering the surface of non-conductive support, and a dispersing medium selected from among water, organic solvents and combinations thereof. The ink composition of the disclosure comprises catalyst particles containing a non-conductive support and a conductive catalyst material covering the surface of non-conductive support, a dispersing medium selected from among water, organic solvents and combinations thereof, and an ionic conductive polymer, wherein the volume ratio of the catalyst particles and the ionic conductive polymer is 55:45-90:10. There is further provided an electrode catalyst layer.10-27-2011
20110217616BOND LAYER FOR A SOLID OXIDE FUEL CELL, AND RELATED PROCESSES AND DEVICES - An electrically-conductive layer of material having a composition comprising lanthanum and strontium is described. The material is characterized by a microstructure having bimodal porosity. Another concept in this disclosure relates to a solid oxide fuel cell attached to at least one cathode interconnect by a cathode bond layer. The bond layer includes a microstructure having bimodal porosity. A fuel cell stack which incorporates at least one of the cathode bond layers is also described herein, along with related processes for forming the cathode bond layer.09-08-2011
20110070518UNIT CELL OF SOLID OXIDE FUEL CELL AND STACK USING THE SAME - A unit cell of a solid oxide fuel cell (“SOFC”) and a fuel cell stack including the SOFC are disclosed. The SOFC may include a first electrode formed in a hollow cylinder shape, a second electrode formed on an outer surface of the first electrode, an electrolyte layer formed between the first electrode and the second electrode and a cap coupled to an end portion of the first electrode. A seating groove may be formed in the cap such that a conductor may be inserted into the seating groove and be in surface contact with the cap. The cap may include a conductive material and a current collection area of the unit cell may be broad when the fuel cell is included in, a fuel cell stack.03-24-2011
20110065014CATALYST SUPPORT FOR FUEL CELL - A catalytic material for a fuel cell comprising a catalyst supported on a catalyst support, wherein the catalyst support comprises a Period IV transition metal phosphide is disclosed. A membrane electrode assembly (MEA) and fuel cell stack comprising such a catalytic material are similarly disclosed.03-17-2011
20120058411FUEL CELL STACK - A fuel cell stack includes a stack of fuel cells. Each of the fuel cells includes a membrane electrode assembly and a separator that are stacked. The membrane electrode assembly includes an electrolyte membrane and a pair of electrodes sandwiching the electrolyte membrane therebetween. The terminal plate, the insulation plate, and the end plate are stacked at each end of the stack of the fuel cells in a stacking direction of the fuel cells. The terminal plate has a plurality of spaces formed therein. The spaces are separated from each other by a partition wall. A connection terminal is disposed on a plate surface of the terminal plate. The plate surface faces the insulation plate, at a position at which the connection terminal does not overlap the partition wall in the stacking direction. The connection terminal protrudes outward from the end plate in the stacking direction.03-08-2012
20110091785FLAT-PLATE SOLID OXIDE FUEL CELL - An object of the present invention is to provide a flat-plate solid oxide fuel cell which can prevent a crack from occurring in an outer peripheral portion of a solid electrolyte due to the action of stress. In order to achieve this object, the present invention provides a flat-plate solid oxide fuel cell having a fuel cell stack (04-21-2011
20120156584FUEL CELL - Provided is a fuel cell capable of maintaining an interface pressure in good condition between a membrane electrode assembly and separators, and preventing an increase in contact resistance. A fuel cell is disclosed including: a membrane electrode assembly provided with a frame at a periphery thereof; two separators holding both the frame and the membrane electrode assembly therebetween; and a gas seal provided between an edge portion of the frame and an edge portion of each separator to have a configuration in which a reactant gas passes through the frame and the membrane electrode assembly and the separators, wherein the frame and the separators are not in contact with and separated from each other in a region between the membrane electrode assembly and the gas seal.06-21-2012
20110065015Solid oxide fuel cell - The solid oxide fuel cell of the present invention has a substrate (03-17-2011
20120231363FUEL CELLS - The invention concerns the use as a redox a catalyst and/or mediator in a fuel cell catholyte solution of the compound of Formula (I) wherein: X is selected from hydrogen and from various functional groups; R09-13-2012
20100248069FUEL CELL - A fuel cell includes a membrane electrode assembly. The membrane electrode assembly has an electrolyte membrane, cathode catalyst layers, and anode catalyst layers disposed counter to the cathode catalyst layers with the electrolyte membrane disposed between the cathode catalyst layers and the anode catalyst layers. Cathode-side insulating layers, which are water-repellent, are provided between the adjacent cathode catalyst layers. The surface of the cathode-side insulating layer on the opposite side of the electrolyte membrane is protruded relative to the surface of the adjacent cathode catalyst layers. Anode-side insulating layers, which are water-repellent, are provided between the adjacent anode catalyst layers. The surface of the anode-side insulating layer on the opposite side of the electrolyte membrane is protruded relative to the surface of the adjacent anode catalyst layers.09-30-2010
20100248068FUEL CELL STACK, FUEL CELL, AND METHOD OF MANUFACTURING FUEL CELL STACK - A fuel cell stack includes two or more cells. The cell includes a solid polymer electrolyte membrane, a porous metallic cathode, and a porous metallic anode. The cathode is arranged on one surface of the solid polymer electrolyte membrane through a catalyst layer. The anode is arranged on the other surface of the solid polymer electrolyte membrane through a catalyst layer. Two or more cells are connected in an electrically conductive manner by resistance welding of the cathode of one of the cells and the anode of the other one of the cells with a conductive metallic foil interposed therebetween.09-30-2010
20100291459Segmented-In-Series Solid Oxide Fuel Cell Stack and Fuel Cell - A segmented-in-series solid oxide fuel cell stack of the invention comprises: an electrically-insulating porous support body having a gas passage therein; and a plurality of fuel cells arranged side by side on a surface of the support body. Each fuel cell have a first inner electrode layer; a current collector and a second inner electrode layer arranged side by side on the first inner electrode layer; and a solid electrolyte layer and an outer electrode layer sequentially laminated on the second inner electrode layer, and have a multilayer structure in which the solid electrolyte layer is extended and connected to the current collector through an intermediate layer. These fuel cells are connected in series. The current collector and the second inner electrode layer are arranged with a predetermined clearance therebetween on the first inner electrode layer. A fuel cell of the invention is formed by storing these segmented-in-series solid oxide fuel cell stacks in a storage container.11-18-2010
20100203416HYBRID REFORMER FOR FUEL FLEXIBILITY - A reformer for a fuel cell system includes a leading segment and a trailing segment. The leading segment includes less reactive catalyst and/or more stabilizing catalyst than the trailing segment. The reformer may be used for reformation of high and low hydrocarbon fuels.08-12-2010
20100203415UNIT CELL OF HONEYCOMB-TYPE SOLID OXIDE FUEL CELL, STACK USING THE UNIT CELL AND METHOD MANUFACTURING THE UNIT CELL AND STACK - Disclosed is a unit cell of a honeycomb-type solid oxide fuel cell (SOFC) having a plurality of channels. The channels include cathode channels and anode channels. The cathode channels and anode channels are set up alternately in the unit cell. A collector is installed inside each of the cathode channels and the anode channels, and a packing material is packed into the channels having the collector. Disclosed also is a stack including the unit cells and methods for manufacturing the unit cell and the stack.08-12-2010
20100203417HIGH TEMPERATURE FUEL CELL SYSTEM AND METHOD OF OPERATING SAME - A high temperature fuel cell stack system, such as a solid oxide fuel cell system, with an improved balance of plant efficiency includes a thermally integrated reformer, combustor and the fuel cell stack.08-12-2010
20120264031Protective Coatings for Metal Alloys and Methods Incorporating the Same - An electrochemical device having one or more solid oxide fuel cells (SOFCs), each of the SOFCs including a cathode, an anode, and an electrolyte layer positioned between the cathode and anode; and at least one additional component comprising a metallic substrate having an electronically conductive, chromium-free perovskite coating deposited directly thereon. The perovskite coating has the formula ABO10-18-2012
20120264030MEMBRANE ELECTRODE ASSEMBLIES AND FUEL CELLS WITH LONG LIFETIME - The present invention relates to improved membrane electrode assemblies and fuel cells with long lifetime, comprising two electrochemically active electrodes separated by a polymer electrolyte membrane based on polyoxazoles.10-18-2012
20100143818COPPER-SUBSTITUTED PEROVSKITE COMPOSITIONS FOR SOLID OXIDE FUEL CELL CATHODES AND OXYGEN REDUCTION ELECTRODES IN OTHER ELECTROCHEMICAL DEVICES - The present invention provides novel compositions that find advantageous use in making electrodes for electrochemical cells. Also provided are electrochemical devices that include active oxygen reduction electrodes, such as solid oxide fuel cells, sensors, pumps and the like. The compositions comprises a copper-substituted ferrite perovskite material. The invention also provides novel methods for making and using the electrode compositions and solid oxide fuel cells and solid oxide fuel cell assemblies having cathodes comprising the compositions.06-10-2010
20120321981FUEL CELL SYSTEM WITH INTERCONNECT - The present invention includes a fuel cell system having a plurality of adjacent electrochemical cells formed of an anode layer, a cathode layer spaced apart from the anode layer, and an electrolyte layer disposed between the anode layer and the cathode layer. The fuel cell system also includes at least one interconnect, the interconnect being structured to conduct free electrons between adjacent electrochemical cells. Each interconnect includes a primary conductor embedded within the electrolyte layer and structured to conduct the free electrons.12-20-2012
20120270133FUEL CELL STACK - A fuel cell stack includes at least one membrane electrolyte assembly having an electrolyte membrane, an anode on a first surface of the electrolyte membrane, and a cathode on a second surface opposite to the first surface of the electrolyte membrane; and at least one supply member coupled to the electrolyte membrane and configured to supply a conductive material to the electrolyte membrane.10-25-2012
20110223515MEMBRANE-ELECTRODE ASSEMBLY FOR FUEL CELL, METHOD OF MANUFACTURING MEMBRANE-ELECTRODE ASSEMBLY FOR FUEL CELL, AND FUEL CELL SYSTEM - A membrane-electrode assembly for a fuel cell is disclosed. The membrane-electrode assembly may include a polymer electrolyte membrane, an adhesive layer disposed on the polymer electrolyte membrane and a catalyst layer formed, as part of the adhesive layer. The polymer electrolyte membrane, the adhesive layer and the catalyst layer may be positioned between a cathode substrate and an anode substrate. The cathode may include a cathode substrate and the anode may include an anode substrate. A method for manufacturing a membrane-electrode assembly and a system incorporating a membrane-electrode assembly are also disclosed.09-15-2011
20120276469FUEL CELL STACK, MANUFACTURING METHOD OF FUEL CELL STACK AND REPLACEMENT METHOD OF MODULE AS CONSTITUENT OF FUEL CELL STACK - A fuel cell stack includes: a first module configured to include an electrolyte membrane, an anode and a cathode; a second module configured to include a separator and placed adjacent to one surface of the first module via a first sealing member; and a third module configured to include a separator and placed adjacent to the other surface of the first module via a second sealing member. In this fuel cell stack, the first sealing member has the greater peel strength to the first module than the peel strength to the second module, and the second sealing member has the greater peel strength to the first module than the peel strength to the third module.11-01-2012
20120276468SILICON PHOSPHATE AND MEMBRANE COMPRISING THE SAME - The invention provides a composition having the formula (I): xXO11-01-2012
20120088178FUEL CELL AND MANUFACTURING METHOD THEREOF - There are provided a fuel cell and a manufacturing method thereof. The manufacturing method of a fuel cell includes: providing a support for a fuel cell; and forming an interconnecting member layer including metal-glass and interconnecting unit cells on the support. According to the present invention, since an interconnecting member having high durability, chemical resistance properties and improved electrical conductivity is provided, a fuel cell having improved electrical characteristics and an improved durability may be provided.04-12-2012
20120288782STABLE ULTRALYOPHOBIC COATING FOR PEMFC BIPOLAR PLATE WATER MANAGEMENT - An electrode plate is disclosed. The electrode plate includes a plate having an active area, a feed region in fluid communication with the active region, and a tunnel region in fluid communication with the feed region and a manifold region, an ultralyophobic coating on one or more of at least a portion of the tunnel region, at least a portion of the feed region, and an interface between the tunnel region and the manifold region. Fuel cells using the electrode plate and methods of making electrode plates are also described.11-15-2012
20120100454METHOD TO PROVIDE ELECTRICAL INSULATION BETWEEN CONDUCTIVE PLATES OF A HYDROGEN FUEL CELL - A subassembly for a fuel cell includes a fuel cell plate having a first side and a second side. Each of the first side and the second side has a flow field disposed between a pair of headers. An insulating spacer abuts the first side of the fuel cell plate and is disposed adjacent a perimeter of the fuel cell plate. A unitized electrode assembly includes a subgasket, a membrane electrode assembly, and a pair of diffusion medium layers. The membrane electrode assembly has an electrolyte membrane sandwiched between a pair of electrodes. The membrane electrode assembly is sandwiched between the pair of diffusion medium layers. The subgasket surrounds, and is coupled to, the membrane electrode assembly. The subgasket abuts the insulating spacer. An elastomeric seal abuts the second side of the fuel cell plate.04-26-2012
20110159397STAINLESS STEEL MATERIAL FOR A SEPARATOR OF A SOLID POLYMER FUEL CELL AND A SOLID POLYMER FUEL CELL USING THE SEPARATOR - A stainless steel member comprising a stainless steel base metal; an oxide film located on the surface of the stainless steel base metal; an electroconductive layer located on the surface of the oxide film and comprising a nonmetallic electroconductive material; and an electroconductive material which is located so as to penetrate the oxide film and which electrically contacts the stainless steel base metal and the electroconductive layer is provided as a stainless steel member for a separator of a solid polymer fuel cell having excellent properties such that a degradation in performance is low even after prolonged operation. A solid polymer fuel cell using the stainless steel member is also provided.06-30-2011
20130143139ELECTROCHEMICAL DEVICE AND METHODS FOR ENERGY CONVERSION - The present invention relates to an electrochemical device. The device features an anode constructed of materials such that the device can be chemically recharged. In addition, the device is capable of switching between operating as a fuel cell or as a battery. The switch can occur without cessation of electrical output. In certain aspects of the invention, the device is capable of operating at a temperature of less than 1000° C. Other aspects feature a liquid anode which allows higher output, dispersion of fuel and minimal stresses in an interface comprising the anode. Preferably the anode is a liquid at a temperature of less than 1000° C. The invention also relates to methods for energy conversion in which a continual electrical output can be produced in both the presence of fuel without anode consumption or the absence of fuel.06-06-2013
20110269053 SOLID OXIDE FUEL CELL HAVING A GLASS COMPOSITE SEAL - A solid oxide fuel cell stack having a plurality of cassettes and a glass composite seal disposed between the sealing surfaces of adjacent cassettes, thereby joining the cassettes and providing a hermetic seal therebetween. The glass composite seal includes an alkaline earth aluminosilicate (AEAS) glass disposed about a viscous glass such that the AEAS glass retains the viscous glass in a predetermined position between the first and second sealing surfaces. The AEAS glass provides geometric stability to the glass composite seal to maintain the proper distance between the adjacent cassettes while the viscous glass provides for a compliant and self-healing seal. The glass composite seal may include fibers, powders, and/or beads of zirconium oxide, aluminum oxide, yttria-stabilized zirconia (YSZ), or mixtures thereof, to enhance the desirable properties of the glass composite seal.11-03-2011
20110217617FUEL CELL COMPRESSION RETENTION SYSTEM USING COMPLIANT STRAPPING - A fuel cell system is provided including a fuel cell stack having a first end and second end. The fuel cell stack includes at least one fuel cell having a membrane-electrode assembly disposed between adjacent gas diffusion layers. The fuel cell system further includes a compression retention system having a plurality of compliant straps adapted to apply a compressive force to the fuel cell stack. The plurality of compliant straps are further adapted to accommodate an expansion of the fuel cell stack during an operation thereof and maintain the compressive force within a desired range.09-08-2011
20110256463PARALLEL FUEL CELL STACK ARCHITECTURE - The disclosed embodiments relate to a system that provides a power source. The power source includes a set of fuel cells arranged in a fuel cell stack. The power source also includes a power bus configured to connect the fuel cells in a parallel configuration.10-20-2011
20110275001FUEL CELL - According to one embodiment, a fuel cell includes a membrane electrode assembly including a plurality of unit cells which are composed of an electrolyte membrane, an anode including anode catalyst layers arranged at intervals on one of surfaces of the electrolyte membrane, and anode gas diffusion layers stacked on the anode catalyst layers, and a cathode including cathode catalyst layers arranged at intervals on the other surface of the electrolyte membrane and opposed to the anode catalyst layers, respectively, and cathode gas diffusion layers stacked on the cathode catalyst layers, wherein a thickness of at least one of the anode catalyst layer and the cathode catalyst layer of one of the unit cells, which neighbor each other, gradually decreases toward the other of the unit cells.11-10-2011
20110275000FUEL CELL SYSTEMS AND RELATED ARRANGEMENTS FOR LIMITING RELATIVE MOTION BETWEEN FUEL CELLS - Fuel cell systems (11-10-2011
20130183603PROTON-CONDUCTING MEMBRANE, METHOD FOR THEIR PRODUCTION AND THEIR USE IN ELECTROCHEMICAL CELLS - The present invention relates to a novel proton-conducting polymer membrane based on polyazole polymers which, owing to their outstanding chemical and thermal properties, can be used widely and are suitable in particular as polymer electrolyte membrane (PEM) for producing membrane electrode assemblies or so-called PEM fuel cells.07-18-2013
20120282538FUEL CELL STACK STRUCTURE AND FUEL CELL STACK STRUCTURE MANUFACTURING METHOD - A fuel cell stack structure is basically provided with a stack entity and at least one tie rod. The stack entity includes a plurality of solid electrolyte fuel cell units stacked together in a stacking direction. The tie rod extends through the stack entity to fasten the solid electrolyte fuel cell units so that the solid electrolyte fuel cell units are pressed against each other in the stacking direction. The tie rod has an outer cylinder, an inner shaft fitting into the outer cylinder, and a joining material disposed between the outer cylinder and the inner shaft. The joining material fastens the outer cylinder and the inner shaft together in an axial direction of the tie rod and is configured and arranged to maintain a cured state at an operating temperature.11-08-2012
20130183602PROTON-CONDUCTING MEMBRANE AND USE THEREOF - The present invention relates to a novel proton-conducting polymer membrane based on polyazole polymers which, owing to their outstanding chemical and thermal properties, can be used widely and are suitable in particular as polymer electrolyte membrane (PEM) for producing membrane electrode assemblies or so-called PEM fuel cells.07-18-2013
20130122391ELECTRODE FOR USE IN A FUEL CELL - The disclosed electrode for use in a fuel cell comprises a flexible carbon-fiber nonwoven fabric and a fuel-cell catalyst, such as a metal catalyst or a carbon-alloy catalyst, supported on the surfaces of the carbon fibers constituting the flexible carbon-fiber nonwoven fabric. Said flexible carbon-fiber nonwoven fabric is formed by carbonizing a nonwoven fabric obtained by electrospinning a composition containing: an electrospinnable macromolecular substance; an organic compound that is different from said macromolecular substance; and a transition metal. This structure allows the provision of an electrode, for use in a fuel cell, which uses a flexible carbon-fiber nonwoven fabric as a substrate and combines the functions of a gas-diffusion layer and an electrocatalyst layer.05-16-2013
20130122392FUEL CELL COMPRISING A PLURALITY OF BASIC CELLS CONNECTED IN SERIES, AND METHOD FOR MANUFACTURING SAME - Adjacent elementary cells are connected in series by connecting elements, each of which is arranged in an interconnection area. The connecting elements are separated from the respective electrolytic membranes of the two adjacent cells to be connected thereby. In this way, they are never in contact with these electrolytic membranes. For one of the two cells, the connecting element is separated from the electrolytic membrane by an empty space, whereas for the other cell, it is separated from the electrolytic membrane by a thin barrier layer designed to act as buffer area for variations in volume of said membrane when the cell is in operation. The thin barrier layer is formed by a polymer material having a lower water absorption capacity than that of the polymer material constituting the electrolytic membrane of the cell.05-16-2013
20110294030POLYMER ELECTROLYTE FUEL CELL STACK - When assembly is carried out by clamping a stacked product made up of a plurality of unit cell modules, paired end plates respectively disposed on both the sides thereof and the like by a plurality of fastening members, first coupling portions of one end portion of each of such plurality of fastening members and second coupling portions of the other end portions are combined to each other, and coupled with one pin member. Thus, a plurality of such fastening members are coupled.12-01-2011
20120021325Membrane-Electrode Assembly, and Fuel Cell Stack and Fabricating Method of Membrane-Electrode Assembly - A membrane-electrode assembly for a fuel cell, the membrane-electrode assembly including an electrolyte membrane; an edge protective layer located at generally an edge of the electrolyte membrane; and a catalytic layer including a plate portion contacting the electrolyte membrane and a protruding portion protruding from the plate portion and contacting the edge protective layer.01-26-2012
20130196244FUEL CELL AND FUEL CELL MODULE - A base as a support in a fuel cell is provided with a plurality of through holes. An electrolyte membrane covers the entirety of the base facing the anode and is partly embedded in the plurality of through holes. A cathode is embedded in the through holes such that each block is in an isolated area bounded by the base and the electrolyte membrane. A current collector is provided on the blocks of the cathode and on the base partitioning the cathode. The current collector is secured to the base by a securing member.08-01-2013
20130202983FUEL CELL STACK - A fuel cell stack includes fuel cells stacked in a stacking direction, a first end plate a second end plate, and first tightening members and second tightening members. The first tightening members couple long sides of the first end plate and long sides of the second end plate, and extend in the stacking direction. The second tightening members couple short sides of the first end plate and short sides of the second end plate, and extend in the stacking direction. Extensions are formed on both of long sides of the fuel cell, and the first tightening members have recessed portions engaged with the extensions.08-08-2013
20120094205COMPLIANT GLASS SEAL FOR FUEL CELL STACK - A solid oxide fuel cell stack having a plurality of cassettes and a compliant glass seal disposed between the sealing surfaces of adjacent cassettes, thereby joining the cassettes and providing a hermetic seal therebetween. The compliant glass seal may include a glass, at least one metal selected from Groups 9, 10, and 11 of the periodic table, and fibers of yttria-stabilized zirconia (YSZ) to enhance the desirable properties of the compliant glass seal. The combined weight percentage of the at least one metal and YSZ in the compliant glass seal is 30 to 42.5 weight percent, preferably 37.5 percent.04-19-2012

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