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Fuel cell 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

Patent class list (only not empty are listed)

Deeper subclasses:

Class / Patent application numberDescriptionNumber of patent applications / Date published
429482000 Specified electrode/electrolyte combination 373
429491000 Specified solid electrolyte 256
429480000 With gas diffusion electrode 156
429484000 Specified electrode material 72
429497000 Tubular-shaped solid electrolyte 10
429490000 Gaseous or vaporized reactant 4
20130040223FUEL CELL - A fuel cell includes an anode current collector provided between an anode and a separator for collecting electrical energy generated in the electrolyte electrode assembly, and supplying a fuel gas to an electrode surface of the anode. The separator has at least one fuel gas inlet hole for supplying the fuel gas to the anode current collector. The anode current collector has at least one fuel gas inlet channel having an opening that faces an opening of the fuel gas inlet hole at an end of the fuel gas inlet hole, for allowing the fuel gas supplied through the fuel gas inlet hole to flow into the anode current collector.02-14-2013
20130089808FUEL CELL, AND METHOD OF MANUFACTURING A FUEL CELL - A fuel cell includes a separator and a power generating body. The separator and power generating body are laminated each other. The power generating body is equipped at least with an electrolyte membrane. The fuel cell comprises: a sealing part that seals reaction gas supplied for electrochemical reactions at the fuel cell between the power generating body and the separator at an outer circumference part of the fuel cell, wherein a convex part and a recess are fit together in the sealing part. The convex part is formed projecting in the lamination direction on one of the power generating body and the separator, and the recess is formed recessed in the lamination direction on the other of the power generating body and the separator. At least one of the convex part and the recess is formed with a polymer material that expands with moisture absorption.04-11-2013
20110111323ELECTROLYTE MEMBRANE FOR ELECTROCHEMICAL CELL AND A METHOD OF PRODUCING THE SAME - An electrolyte membrane for electrochemical cells, that has oxide ion permeability properties, and methods for producing the same, is made of an oxide ion conductor having a component composition expressed by a general formula: La05-12-2011
20120270140SOLID OXIDE FUEL CELL STRUCTURE - A solid oxide fuel cell structure includes an anode, a cathode arranged oppositely relative to the anode and electrolyte located between the anode and the cathode and at least two air paths each having a distal end provided with a turn and a continuous curve closing the distal end.10-25-2012
Entries
DocumentTitleDate
20100159348ELECTRO-CATALYTIC RECHARGING COMPOSITION - A composition useful for the fueling and refueling of electrochemical devices is described. The composition comprises an ion-conducting medium such as an electrolyte, and catalyst nanoparticles. Unlike traditional electrodes, such as those typically used in electrolyzers and fuel cells, the inventive composition may be quickly drained from the device and refilled to maintain maximum cell performance. In addition, the electro-catalytic charging composition can be stored as a solid for safe handling; for example in a portable cartridge.06-24-2010
20110195336COMPOSITE MEMBRANE, FUEL CELL AND METHOD OF MAKING OF COMPOSITE MEMBRANE - A fuel cell includes membrane electrode assemblies disposed in a planar arrangement. Each membrane electrode assembly includes an electrolyte membrane, an anode catalyst layer, and a cathode catalyst layer disposed counter to the cathode catalyst via the electrolyte membrane. Interconnectors (conductive members) are provided on the lateral faces of the electrolyte membranes disposed counter to each another in the neighboring direction of the membrane electrode assemblies. Each interconnector includes a support portion protruding toward the central region of the electrolyte member on the cathode side of the electrolyte membrane. The support portion is in contact with the cathode-side surface of an edge of the electrolyte membrane, and the electrolyte membrane is held by the support portion.08-11-2011
20110195335SHEARED EDGE ON FUEL CELL COMPONENTS FOR WICKING OF WATER - A fuel cell component including a body disposed along a plane and having a boundary past which a reactant and water flows is provided. The boundary has a discontinuous edge adapted to militate against a pinning of the water at the edge. The fuel cell component may be a bipolar plate having a port hole with the discontinuous edge. The fuel cell component may be a subgasket for a fuel cell having a boundary with the discontinuous edge. The discontinuous edge facilitates a transportation of water from an upper surface of the fuel cell component to a lower surface of the fuel cell component.08-11-2011
20110195334FUEL CELL STACK INCLUDING INTERCONNECTED FUEL CELL TUBES - A solid oxide fuel cell stack includes a first fuel cell tube, a second fuel cell tube, and an interconnect member. The first fuel cell tube further includes an active area having a plurality of electrochemical cells connected in series, a first cathode lead disposed between the plurality of electrochemical cells connected in series and a first fuel cell tube inlet and a first anode lead disposed between the plurality of electrochemical cells connected in series and a first fuel cell tube outlet. The second fuel cell tube includes a second fuel cell tube comprising an active area having a plurality of electrochemical cells connected in series, a second anode lead disposed between a plurality of electrochemical cells connected in series and a first fuel cell tube inlet and a second cathode lead disposed between the plurality of electrochemical cells connected in series and a first fuel cell tube outlet. The interconnect member electrically connecting one of the first anode lead to the second cathode lead and the first cathode lead to the second anode lead.08-11-2011
20130078547NANO-POROUS NANO-COMPOSITE, METHOD OF PREPARING THE SAME, AND SOLID OXIDE FUEL CELL INCLUDING THE NANO-POROUS NANO-COMPOSITE - A nano-composite, including: a plurality of secondary particles, each secondary particle including a mixture of nano-size primary particles, wherein the mixture of nano-size primary particles includes particles including a nickel oxide or a copper oxide, and particles including zirconia doped with a trivalent metal element or ceria doped with a trivalent metal element, and wherein the nano-size primary particles define a plurality of nano-pores.03-28-2013
20110014539SOLID OXIDE FUEL CELL - Disclosed herein is a solid oxide fuel cell comprising a support including hollow porous bodies.01-20-2011
20120308912CATALYST SLURRY, ELECTRODE PREPARED BY USING THE CATALYST SLURRY, AND FUEL CELL INCLUDING THE ELECTRODE - A catalyst slurry, an electrode prepared by using the same, and a fuel cell including the electrode. The catalyst slurry includes: a catalyst material; a binder; and a solvent including a first liquid for dissolving the binder and a second liquid having a viscosity that is higher than that of the first liquid.12-06-2012
20110281196NONWOVEN FABRIC AND ELECTROLYTE MEMBRANE - To obtain a nonwoven fabric which is excellent in the heat resistance and the chemical resistance, of which the fiber diameter is small, and which is excellent in the mechanical strength at a temperature at which it is used; and an electrolyte membrane which is excellent in the dimensional stability when it is swollen by water, and of which an increase in the resistance by a reinforcing material is suppressed.11-17-2011
20110136036CARBON CATALYST, METHOD FOR PRODUCING CARBON CATALYST, FUEL CELL, ELECTRICITY STORAGE DEVICE, AND USE OF CARBON CATALYST - The present invention is made to provide a carbon catalyst which has high catalytic activity and can achieve high catalyst performance.06-09-2011
20110033772SINTERED POROUS STRUCTURE AND METHOD OF MAKING SAME - Simple, low cost methods of manufacturing highly porous structures are provided. The methods involve building up porous structures with elements shaped to provide the desired strength, porosity and pore structure of the porous structure and then sintering the elements together to form the structure. Also provided are novel sintered porous structures made up of sintered non-spherical elements. In certain embodiments, the shaped green elements and the porous structure are simultaneously sintered. Also provided are novel sintered porous structures made up of sintered non-spherical elements.02-10-2011
20110294032WATER VAPOR TRANSFER MEMBRANE ATTACHMENT TO GAS DIFFUSION SEPARATORS - A water vapor transfer device for a fuel cell includes a pair of diffusion medium layers, a pair of edge strips, an array of elongate cords, and a pair of polymer membranes. One of the edge strips is disposed between the first edges of the diffusion medium layers. Another of the edge strips is disposed adjacent the second edge of each of the diffusion medium layers. The edge strips are bonded to each of the diffusion medium layers with a hot-melt adhesive. The elongate cords are disposed between the diffusion medium layers and intermediate the edge strips. The elongate cords are bonded to each of the diffusion medium layers with a hot-melt adhesive and define a plurality of flow channels between the diffusion medium layers. The polymer membranes are bonded to the diffusion medium layers adjacent the edge strips with the hot-melt adhesive from the edge strips.12-01-2011
20100129726NON-LEAD GLASS - To provide a glass containing little B05-27-2010
20100266926FUEL CELL ELECTROLYTE MEMBRANE, MEMBRANE ELECTRODE ASSEMBLY, AND FUEL CELL - A proton-conductive composite electrolyte membrane, for a fuel cell, comprises a metal-oxide hydrate with proton conductivity and organic macromolecules in which an intermediate layer is formed between the metal-oxide hydrate and the first organic macromolecular electrolyte. The intermediate layer can enhance the adhesion at an interface between the metal-oxide hydrate and the organic macromolecule, and thereby the amount of methanol that penetrates along the interface can be reduced. Accordingly, the composite electrolyte membrane has both high proton conductivity and low methanol permeability, and a membrane electrode assembly that comprises the composite electrolyte membrane can produce a high output.10-21-2010
20120034547STRUCTURE OF SOLID OXIDE FUEL CELL - On each of upper and lower surfaces of a flat-plate-like support substrate having a longitudinal direction and having fuel gas flow channels formed therein, a plurality of power-generating elements A connected electrically in series are disposed at predetermined intervals along the longitudinal direction. On each of the upper and lower surfaces of the support substrate, a plurality of recesses are formed at predetermined intervals along the longitudinal direction. Each of the recesses is a rectangular-parallelepiped-like depression defined by four side walls arranged in a circumferentially closed manner and a bottom wall. That is, in the support substrate, frames are formed to surround the respective recesses. Fuel electrodes of the power-generating elements A are embedded in the respective recesses.02-09-2012
20100291460MEMBRANE ELECTRODE ASSEMBLY AND METHOD OF PRODUCING THE SAME AND FUEL CELL - It is an object of the present invention to provide a method of producing a membrane electrode assembly using an interface resistance reducing composition which can simply reduce the resistance of the interface between an electrode and an electrolyte membrane in a short time at low temperatures at low pressure without polimerization while maintaining an effect of suppressing a fuel crossover even with an electrolyte membrane having high heat resistance, high strength, a high tensile elastic modulus and a low water content. This is achieved by a method of producing a membrane electrode assembly formed by sandwiching an electrolyte membrane between a pair of electrodes, comprising the steps of bonding at least one electrode to the electrolyte membrane sandwiching an interface resistance reducing composition containing a plasticizer between the electrode and the electrolyte membrane, and a membrane electrode assembly formed by sandwiching an electrolyte membrane between a pair of electrodes, wherein the membrane electrode assembly has a layer (A) at least between one electrode and the electrolyte membrane, and the value of the storage modulus C is 1 GPA or more when the storage moduli of the electrolyte membrane and the layer (A), which are measured with an ultramicro penetrometer, are regarded as C and D, respectively.11-18-2010
20100239944SOLID POLYMER ELECTROLYTE MEMBRANE, METHOD FOR PRODUCTION OF SOLID POLYMER ELECTROLYTE MEMBRANE, AND FUEL CELL - Disclosed is a method for producing a solid polymer electrolyte membrane, which is characterized by: irradiating a fluorine-containing resin or a hydrocarbon resin with a radioactive ray to co-graft-polymerize both of a radical-polymerizable monomer having an ion-exchangeable functional group or capable of introducing an ion-exchangeable functional group and a radical-polymerizable monomer having a hydroxysilyl group or an alkoxysilyl group to the resin; introducing the ion-exchangeable functional group when a radical-polymerizable monomer capable of introducing the ion-exchangeable functional group is used; and impregnating the resin with a monomer having a hydroxysilyl group or an alkoxysilyl group and containing a phosphorus atom. By using the electrolyte membrane, it becomes possible to produce a fuel cell having extremely high performance.09-23-2010
20100151347BIPOLAR PLATE FOR FUEL CELL COMPRISING A HOUSING FOR MEASURING CONNECTOR - Bipolar plate for a fuel cell, of the type comprising a cathode bipolar half-plate and an anode bipolar half-plate which are secured to each other, each bipolar half-plate (06-17-2010
20100151348Fuel Cell and Method for Manufacturing the Same - There are provided a fuel cell capable of preventing gas leakage through a gas channel, and a method for manufacturing a fuel cell that allows production of such a fuel cell in high volume with lower costs while preventing cracking at corners of the gas channel. In a fuel cell, on a support substrate (06-17-2010
20100227247NANOCAPILLARY NETWORKS AND METHODS OF FORMING SAME - A method for forming a nanocapillary network comprises dissolving a polyelectrolyte in a solvent to form a solution; electrospinning the solution to extract polyelectrolyte fibers; and organizing the polyelectrolyte fibers into a network. The method can further comprise processing the network to increase the density of the polyelectrolyte fibers in the network. The method can also further comprise processing the network to interconnect polyelectrolyte fibers. A method for forming a proton exchange membrane comprises dissolving a polyelectrolyte in a solvent to form a solution; electrospinning the solution to extract polyelectrolyte fibers; organizing the polyelectrolyte fibers into a network; and impregnating the network with a polymer to fill voids between polyelectrolyte fibers of the network.09-09-2010
20100227245SOLID ELECTROLYTE FUEL CELL AND OPERATING METHOD THEREOF - A solid electrolyte fuel cell having a long service life, comprising a power generating cell (09-09-2010
20100239942FUEL CELL - A fuel cell equipped with at least an air electrode side power collector layer, an air electrode catalyst layer, a polymer electrolyte membrane, a fuel electrode catalyst layer and a fuel electrode side power collector layer and provided with a porous body layer having a porous body at a liquid fuel side of the fuel electrode side power collector layer assumes a structure in which the porous body layer is provided with a gas flow velocity (superficial velocity in the layer) of 10 to 5000 cm/s at a differential pressure of 100 kPa. The porous body layer is a diffusion medium of a fuel into the fuel electrode catalyst layer and a discharge resistor of gases comprising carbon dioxide and steam which are electrode reaction products and a vapor of the liquid fuel in progress of electrode reaction. An interface of the gases and a gases layer are also provided.09-23-2010
20100136456POLYMER ELECTROLYTE FUEL CELL AND FUEL CELL SEALING MEMBER FOR THE SAME - To provide a polymer electrolyte fuel cell in which a reaction gas can be utilized efficiently for an electrode reaction even when a gap is formed between an anode-side sealing member and the end face of an anode and between a cathode-side sealing member and the end face of a cathode, and sufficient power generation performance can be ensured with a simple constitution. At least one of the anode-side sealing member and the cathode-side sealing member of the fuel cell includes an annular body, and at least one deformable protruding portion provided on the inner surface of the annular body.06-03-2010
20110129758WATER ELECTROLYSIS APPARATUS AND WATER ELECTROLYSIS SYSTEM - A water electrolysis apparatus includes: a solid electrolyte film; an anode; a cathode; and a flow path. The solid electrolyte film includes a first surface and a second surface opposite side of the first surface. The anode is provided to contact with the first surface in a first surface side. The cathode is provided to be separated from the second surface in a second surface side. The flow path is provided between the second surface and the cathode. Water can flow through the anode. Electrolytic solution can flow through the flow path.06-02-2011
20110244356FUEL CELL - A DMFC is provided in which the structure is simplified and the thickness is reduced without impairing diffusibility of fuel, air and generated products. An anode catalyst layer and a cathode catalyst layer sandwich an electrolyte membrane. Liquid fuel stored in a fuel chamber is directly supplied to the anode catalyst layer. Current collectors are respectively provided adjacent to the anode catalyst layer and the cathode catalyst layer. Each of the current collectors is formed of a flat conductive sheet in which a plurality of fine pores are provided to extend through the current collector in a direction substantially perpendicular to the planar direction.10-06-2011
20100227246PLATE MEMBER FOR FUEL CELL, MANUFACTURING METHOD OF THE PLATE MEMBER, AND FUEL CELL - There is disclosed a plate member for a fuel cell which is laminated together with a membrane-electrode assembly to constitute a fuel cell having cells and is provided with a channel forming portion which forms a fluid channel to supply and discharge a fluid to/from the membrane-electrode assembly and/or the cells. The plate member for the fuel cell includes a first covering portion which covers the channel forming portion, and a second covering portion which covers an edge of the first covering portion together with a portion around the edge of the first covering portion.09-09-2010
20110081594POLYMER MEMBRANE FOR BATTERY, METHOD OF PREPARING SAME AND BATTERY INCLUDING SAME - Disclosed is a polymer membrane for a battery including a porous support including a fiber including a core including a high melting-point polymer; and a sheath including a low melting-point polymer surrounding the core, and a method of preparing the same. The polymer membrane for a battery may further include a proton conductive polymer.04-07-2011
20110059384ACTIVATION METHOD FOR MEMBRANE ELECTRODE ASSEMBLY, MEMBRANE ELECTRODE ASSEMBLY, AND SOLID POLYMER-TYPE FUEL CELL USING SAME - In the conventional initial operation and activation processing (pre-processing), a processing time of ten odd hours or more is usually required, and special processing equipment and complex processing steps are needed. An aqueous alcohol solution is prepared, a membrane electrode assembly (03-10-2011
20100266927COMPOSITE ELECTROLYTE MEMBRANE, MEMBRANE-ELECTRODE ASSEMBLY, FUEL CELL, AND METHODS FOR MANUFACTURING SAME - A method for manufacturing a composite electrolyte membrane including: a first folding process of folding a laminate (10-21-2010
20110045379INORGANIC CONDUCTIVE MEMBRANE, FUEL CELL CONTAINING THE SAME, AND METHOD FOR MANUFACTURING THEREOF - The present invention relates to an inorganic ion conductive membrane, which is capable of obtaining a fuel cell with a stable operation in all temperature, high performance, and no leakage of fuels by manufacturing the inorganic ion conductive membrane, composed of an inorganic membrane, using an anodic oxidization reaction and applying the manufactured inorganic ion conductive membrane to the fuel cell, a fuel cell including the inorganic ion conductive membrane, and a method of manufacturing the inorganic ion conductive membrane and the fuel cell. The method of manufacturing the inorganic ion conductive membrane includes the steps of (a) disposing a conductive wire, made of the same materials as a metal tube, within the metal tube, supplying an anode current to the conductive wire, and supplying a cathode current to the metal tube and (b) applying an electrolyte to the metal tube and the conductive wire, thereby forming an inorganic membrane comprising a plurality of pores in at least some of an inside wall and outside wall of the metal tube to which the cathode current has been supplied.02-24-2011
20110250522STAINLESS STEEL SHEET FOR A SEPARATOR FOR A SOLID POLYMER FUEL CELL AND A SOLID POLYMER FUEL CELL EMPLOYING THE SEPARATOR - A stainless steel member for a separator of a solid polymer fuel cell which has excellent cell properties with little deterioration in performance over long periods of operation without worsening of the corrosion resistance of a stainless steel separator is provided.10-13-2011
20110027683Solid Oxide Fuel Cell Devices With Serpentine Seal Geometry - A fuel cell device assembly comprises: (i) a frame having a support surface; (ii) an electrolyte sheet comprising an electrochemically active area and an electrochemically inactive area, wherein the inactive area comprises a seal area; and (iii) a seal material interposed between and contacting at least a portion of the frame support surface and at least a portion of the electrolyte sheet seal area. The seal material has serpentine geometry.02-03-2011
20100323268SYSTEM AND METHOD FOR FORMING CONDUCTORS OF AN ENERGY GENERATING DEVICE - An electrical circuit is presented that includes an anode conductor formed from a first wire lead and a cathode conductor formed from a second wire lead. The first wire lead and the second wire lead are each comprised of wire having a predetermined diameter. At least a portion of the predetermined diameter of at least one of the first and the second wire leads is compressed to provide an increased surface area. In one embodiment, the anode and the cathode conductors are disposed about an electrolyte material of an energy generating device, e.g., a fuel cell. The increased surface area of the at least one first and the second leads increases a total collected energy of the fuel cell without increasing the conductor mass or tensile strength such that weight and other characteristics of the fuel cell are not adversely impacted as compared to conventional fuel cell arrangements.12-23-2010
20100159347HYPER-BRANCHED POLYMER, ELECTRODE FOR FUEL CELL INCLUDING THE HYPER-BRANCHED POLYMER, ELECTROLYTE MEMBRANE FOR FUEL CELL INCLUDING THE HYPER-BRANCHED POLYMER, AND FUEL CELL INCLUDING AT LEAST ONE OF THE ELECTRODE AND THE ELECTROLYTE MEMBRANE - A hyper-branched polymer having a degree of branching in the range of about 0.05 to about 1 includes a dendritic unit, a linear unit, and a terminal unit, wherein the hyper-branched polymer, an electrode for a fuel cell including the hyper-branched polymer, an electrolyte membrane for a fuel cell including the hyper-branched polymer, and a fuel cell including at least one of the electrode and the electrolyte membrane. Such a hyper-branched polymer included in a fuel cell provides excellent thermal resistance and phosphoric acid resistance and increase the performance of the fuel cell.06-24-2010
20100159346ELECTRODE, AND LITHIUM ION SECONDARY BATTERY, ELECTRIC DOUBLE LAYER CAPACITOR AND FUEL CELL USING THE SAME - The present invention provides an electrode comprising a carbon material obtained from an azulmic acid and a current collector and/or a binder.06-24-2010
20110189579ELECTROLYTE - An electrolyte includes a continuous meso- or nanoporous component and a polymer electrolyte phase having a conductive matrix or continuous conducting component. The continuous meso- or nanoporous component includes an interconnected porous structure and may, for example, be a monolith. When the porous component is contacted with the electrolyte phase, the porous component is filled with and integrated into the electrolyte phase.08-04-2011
20110262831FORMED PLATE ASSEMBLY FOR PEM FUEL CELL - A bipolar plate assembly for a fuel cell is provided. The bipolar plate assembly includes a cathode plate disposed adjacent an anode plate, the cathode and anode plates formed having a first thickness of a low contact resistance, high corrosion resistance material by a vapor deposition process. The first and second unipolar plates are formed on a removable substrate, and a first perimeter of the first unipolar plate is welded to a second perimeter of the second unipolar plate to form a hermetically sealed coolant flow path. A method for forming the bipolar plate assembly is also described.10-27-2011
20110070521Reinforced Solid Polymer Electrolyte Composite Membrane, Membrane Eelctrode Assembly For Solid Polymer Fuel Cell, and Solid Polymer Fuel Cell - The invention provides a solid polymer fuel cell whose operational stability over time has been enhanced. A reinforced solid polymer electrolyte composite membrane for a solid polymer fuel cell according to the present invention comprises two or more polymer electrolyte membranes and one or more layers of a sheet-like porous reinforcing member, wherein the polymer electrolyte membranes provide both the upper and lower surfaces of the composite membrane, and pores in the sheet-like porous reinforcing member are substantially filled with the electrolyte from the polymer electrolyte membranes, and wherein the sheet-like porous reinforcing member contains a peroxide decomposition catalyst.03-24-2011
20100239943SOLID POLYMER FUEL CELL - It is an object of this invention to provide a solid polymer fuel cell using alcohol fuel which is capable of controlling fuel supply with a simple configuration and realizing excellent power generation characteristics and storage characteristics. The fuel cell of this invention includes a power generation portion (09-23-2010
20120015280FLOW FIELD DESIGN FOR HIGH CURRENT FUEL CELL APPLICATIONS - A fuel cell includes an anode flow field plate having a flow field including a plurality of first lands and a plurality of first channels. Further, the fuel cell includes a cathode flow field plate having a flow field including a plurality of second lands and a plurality of second channels. A membrane electrode assembly is provided between the anode flow field plate and the cathode flow field plate. A width of each of the first channels is greater than a width of each of the second channels.01-19-2012
20120015279DENSE THIN FILIM, FUEL CELL USING THE SAME AND FABRICATION METHODS THEREOF - Disclosed is a dense thin film, a fuel cell using the same and fabrication methods thereof. A method for fabricating a dense thin film comprises (1) forming a first thin film on a porous surface, and (2) forming, on a surface of the first thin film, a second thin film made of a homogeneous material with respect to the first thin film, thereby removing pinholes of the first thin film. The method for fabricating a dense thin film may comprise (1′) forming a first thin film on a porous surface, (2′) forming, on a surface of the first thin film, a second thin film made of a to heterogeneous material with respect to the first thin film, thereby removing pinholes of the first thin film, and (3′) etching a surface of the second thin film. A dense thin film comprises a porous material, a first thin film formed on a surface of the porous material and having pinholes, a blocking material including a homogeneous or heterogeneous material with respect to the first thin film and configured to block the pinholes, and a second thin film including a homogeneous or heterogeneous material with respect to the first thin film and formed on a surface of the first thin film.01-19-2012
20110165495APPARATUS AND METHODS FOR CONNECTING FUEL CELLS TO AN EXTERNAL CIRCUIT - Embodiments relate to a fuel cell including, an ion conducting component, two or more electrode coatings and one or more interconnects. The interconnects include a non-conductive interface region having a first surface and a second surface in which the first surface is in contact with the ion conducting component, an electron conducting component having two surfaces and a length that is parallel to the two surfaces wherein one of the surfaces is disposed adjacent to the second surface of the interface region. The electron conducting component provides an electrically conductive pathway between one of the electrode coatings and an external circuit, said pathway extending along the length of the electron conducting component.07-07-2011
20120064429SEALING STRUCTURE OF FUEL CELL - A sealing structure of a fuel cell has a first gasket made of an elastomer and provided integrally on a separator, and a second gasket made of an elastomer and provided integrally on other separator. A membrane-electrode assembly is sandwiched or pinched by the first and second gaskets. The first gasket has a main lip in which a top portion brought into close contact with the membrane-electrode assembly is formed flat. The second gasket has a flat seal portion and a sub lip protruding from this flat seal portion at a position opposing the main lip. The flat seal portion and the sub lip are brought into close contact with the membrane-electrode assembly. The width of the top portion of the main lip is narrower than the width of the flat seal portion, and larger than the width of the sub lip.03-15-2012
20120156585Process for forming silver films on silicon - A process is provided for etching a silicon-containing substrate. In the process, the surface of the substrate is cleaned. A film of alumina is deposited on the cleaned substrate surface. A silver film is deposited above the film of alumina. An etchant comprising HF is contacted with the silver film.06-21-2012
20110091787COMPOSITIONS OF NANOMETAL PARTICLES CONTAINING A METAL OR ALLOY AND PLATINUM PARTICLES FOR USE IN FUEL CELLS - A composition of nanoparticles of metal or an alloy or having a metal and alloy core with an oxide shell in admixture with platinum particles is useful as a component for electrodes. More particularly, such composition is useful as an electrode ink for the reduction of oxygen as well as the oxidation of hydrocarbon or hydrogen fuel in a direct oxidation fuel cell, such as, but not limited to, the direct methanol fuel cell. These electrodes encompass a catalyst ink containing platinum, the nanoparticles, and a conducting ionomer which may be directly applied to a conductive support, such as woven carbon paper or cloth. This electrode may be directly adhered onto an ion exchange membrane. The nanoparticles comprise nanometer-sized transition metals such as cobalt, iron, nickel, ruthenium, chromium, palladium, silver, gold, and copper. In this invention, these catalytic powders substantially replace platinum as a catalyst in fuel cell electrooxidation and electroreduction reactions.04-21-2011
20120122012FUEL CELL AND METHOD FOR MANUFACTURING SAME - A fuel cell and its production method are provided to enable position adjustment at the time of provisional lamination of unit cells. In a fuel cell comprising a lamination of a membrane electrode assembly including anode and cathode electrode layers on both sides of an electrolyte membrane, and a separator, the fuel cell and its production method is characterized in that there is further provided a self-fusing seal material at an end portion of the membrane electrode assembly or the separator.05-17-2012
20120122011Nano-Fibers for Electrical Power Generation - A fibrous sheet for fuel cell or battery applications is formed by electrospinning a fluorinated ion-conducting polymer solution to form an agglomeration of fibers.05-17-2012
20120231365METHOD FOR MECHANICALLY STABILIZING NITROGEN-CONTAINING POLYMERS - A method for the production of mechanically stabilized polyazole polymers, comprising the following steps: a) providing a membrane comprising i.) polyazoles with at least one amino group in a repeating unit except the ones obtainable by reacting aromatic and/or heteroaromatic diaminocarboxylic acids, ii.) at least one strong acid and iii.) at least one stabilizing reagent, the total content of stabilizing reagents in the membrane being within the range of from 0.01 to 30% by weight, b) performing the stabilization reaction in the membrane, immediately or in a subsequent processing step of the membrane, c) if appropriate, additionally doping the membrane obtained in accordance with step b) with a strong acid or concentrating the present strong acid further by removal of present water, wherein the stabilizing agent comprises at least one oxazine-based compound. The polyazole polymer membranes thus obtainable are in particular characterized by a high conductivity and a very good mechanical stability. Therefore, they are in particular suited for applications in fuel cells.09-13-2012
20120129074FUEL CELL - A fuel cell comprises a membrane electrode assembly including an electrolyte membrane and electrode layers arranged on each surface of the electrolyte membrane respectively, and first and second separators that are formed by processing a metal plate and are arranged so as to sandwich the membrane electrode assembly. At a position outside a position facing the membrane electrode assembly, the separators have an opening that constitutes a reaction gas flow path that is roughly perpendicular to a surface direction of the membrane electrode assembly. The first separator has a folded back part that is formed by folding back at least part of the metal plate of the position at which the opening is formed toward the membrane electrode assembly side along a boundary line on the membrane electrode assembly side of the opening as a fold line. The folded back part has a communication hole that allows communication between an internal flow path space and the reaction gas flow path, the internal flow path space being a space communicated with an end surface of the membrane electrode assembly and being formed between the folded back part and the first separator. The second separator does not have the folded back part.05-24-2012
20120214081Laminate for Use in a Fuel Cell and Method for Making the Same - Disclosed is a laminate for use in a fuel cell. The laminate includes at least two field plates and a bonding layer. Each of the flow field plates includes a plate and channels defined therein. The bonding layer is made in the form of an annular strip and sandwiched between the flow field plates, around the channels.08-23-2012
20100173220POLYMER ELECTROLYTE FUEL CELL - A polymer electrolyte fuel cell of the present invention comprises an electrolyte layer-electrode assembly (07-08-2010
20120251915CATALYST LAYER, MEMBRANE ELECTRODE ASSEMBLY, AND ELECTROCHEMICAL CELL - A catalyst layer includes a layered structure. The layered structure is laminated with sheet-like unit catalysts and pore layers. The sheet-like unit catalysts have mean thicknesses of 4 to 30 nm. The pore layers are sandwiched between the sheet-like unit catalysts.10-04-2012
20110123895DIRECT-METHANOL FUEL CELL - According to one embodiment, a direct-methanol fuel cell includes an anode into which an aqueous methanol solution is introduced as fuel, a cathode into which an oxidizing agent is introduced, an electrolyte membrane interposed between the anode and the cathode, an anode separator which is disposed on the anode side and includes a fuel passage formed on a surface facing the anode, and a cathode separator which is disposed in the cathode side and includes an oxidizing gas passage formed on a surface facing the cathode. At least the cathode separator is provided with a coating film including a macromolecular polymer having a water-repellent functional group and an ionic functional group, the coating film being formed on at least an inside surface of the oxidizing gas passage.05-26-2011
20110003232SEAL STRUCTURE ADOPTED IN MEMBRANE ELECTRODE ASSEMBLY FOR FUEL CELL - First reinforcing members, having a low modulus of elasticity, are disposed between an electrolyte membrane and second reinforcing members having a high modulus of elasticity, so as not to allow the electrolyte membrane to readily rub against the first reinforcing members as the electrolyte membrane expands and shrinks and to ultimately prevent degradation of the electrolyte membrane.01-06-2011
20110003231Fuel Cell Components Including Immobilized Heteropolyacids - A fuel cell component is made with a composite including a proton conducting polymer, a water insoluble proton conducting inorganic material, and a heteropolyacid immobilized by chemically bonding to the inorganic material. In another embodiment, the fuel cell component is made with a composite including a non-proton conducting polymer, a water insoluble inorganic material, and a heteropolyacid immobilized by chemically bonding to the inorganic material, the heteropolyacid causing the composite to show proton conductivity. In a further embodiment, the fuel cell component is made with a composite comprising a proton conducting polymer, a water insoluble proton conducting inorganic material, and a heteropolyacid immobilized by chemically bonding to the inorganic material, the composite having substantially identical structure of the unmodified heteropolyacid.01-06-2011
20110236785FUEL CELL LAYER, FUEL CELL SYSTEM AND METHOD FOR FABRICATING THE FUEL CELL LAYER - A fuel cell layer includes a plurality of membrane electrode assemblies disposed in a planar array arrangement and an interconnector for electrically coupling an anode catalyst layer of one of adjacent membrane electrode assemblies to a cathode catalyst layer of the other of the adjacent membrane electrode assemblies. Each membrane electrode assembly includes an electrolyte membrane, the anode catalyst layer provided on one face of the electrolyte member and the cathode catalyst layer provided on the other face of the electrolyte membrane in such a manner that at least part of which is disposed counter to the anode catalyst layer. The interconnector is formed of at least one of a material constituting the anode catalyst layer and a material constituting the cathode catalyst layer.09-29-2011
20100167158METHOD FOR PRODUCING A SOLID FUEL FOR FUEL CELLS, SOLID FUEL FOR FUEL CELLS, AND FUEL CELL - An object of the present invention is to provide a method for producing a highly safe solid fuel for fuel cells having excellent handleability, a highly safe solid fuel for fuel cells having excellent handleability, and a fuel cell using such a solid fuel for fuel cells. In a method for producing a solid fuel for fuel cells in which a coating film is formed on the surface of a porous material containing a fuel for fuel cells, the coating film is formed by polyvinyl alcohol, and the fuel for fuel cells is introduced into the porous material before and/or after formation of the coating film on the surface of the porous material.07-01-2010
20100167157FUEL CELL COUPLER AND FUEL CELL USING THE SAME - A fuel cell coupler includes a nozzle part (07-01-2010
20110269054FUEL CELL WITH A BRAZED INTERCONNECT AND METHOD OF ASSEMBLING THE SAME - A fuel cell including an anode, a cathode and an electrolyte interposed between the anode and the cathode is disclosed. The fuel cell also includes an anode interconnect disposed adjacent to the anode, and a brazing material disposed between the anode interconnect and the anode to bond the anode interconnect to the anode. A method of assembling a fuel cell including forming a package of an anode and an electrolyte is also disclosed. It includes heating the package with a brazing material disposed adjacent to the anode, to bond the anode to an interconnect.11-03-2011
20110217618Chemically Bonded Carbon Nanotube-Polymer Hybrid and Nanocomposite Thereof - The present invention provides a chemically bonded carbon nanotube-polymer hybrid and the nanocomposite thereof, having the following advantages: functionalizing carbon nanotubes and also effectively having the carbon nanotube covalently bonded with a wide variety of polymers, even for stable and non-reactive polymers, such as commercially available polymers and high performance engineering plastics. The nanocomposite material according to the invention, compared to its matrix polymer, has higher mechanical strength, conductivity, proton conductivity, and heat stability.09-08-2011
20110275003FUEL CELL - A fuel cell includes: an anode catalyst layer containing an anode catalyst and a proton-conductive electrolyte; a cathode catalyst layer containing a cathode catalyst and a proton-conductive electrolyte; a proton-conductive electrolyte membrane interposed between the anode catalyst layer and the cathode catalyst layer; and a mechanism supplying a fuel to the anode catalyst layer, wherein a porosity of the anode catalyst layer as measured by a mercury intrusion porosimeter is 0 to 30%.11-10-2011
20100297522REDOX FUEL CELL - This invention provides a redox fuel cell comprising an anode and a cathode separated by an ion selective polymer electrolyte membrane; means for supplying a fuel to the anode region of the cell; means for supplying an oxidant to the cathode region of the cell; means for providing an electrical circuit between the anode and the cathode; a non-volatile catholyte solution flowing fluid communication with the cathode, the catholyte solution comprising a polyoxometallate redox couple being at least partially reduced at the cathode in operation of the cell, and at least partially re-generated by reaction with the oxidant after such reduction at the cathode, the catholyte solution comprising at least one counterion for the polyoxometallate redox couple wherein the at least one counterion comprises one or more divalent ions.11-25-2010
20120028161FUEL CELL - According to one embodiment, a fuel cell includes a membrane electrode assembly including a plurality of anodes, a plurality of cathodes each forming a pair with a corresponding one of the plurality of anodes, and an electrolyte membrane interposed between the anodes and the cathodes, a current collector configured to interpose the membrane electrode assembly in between, a fuel supply mechanism arranged on the side of the anodes of the membrane electrode assembly and configured to supply the anodes with a fuel, and a moisturizing layer arranged on the side of the cathodes of the membrane electrode assembly. The current collector includes a slit arranged so as to face a region between the cathodes.02-02-2012
20130196245HOT PRESSED, DIRECT DEPOSITED CATALYST LAYER - A method of fabricating a membrane electrode assembly includes the steps of depositing a catalyst ink directly onto a membrane to form a catalyst coated membrane and hot pressing the catalyst coated membrane. The catalyst coated membrane has a catalyst layer that includes a catalyst and an ionomer.08-01-2013

Patent applications in class Fuel cell with solid electrolyte

Patent applications in all subclasses Fuel cell with solid electrolyte