Class / Patent application number | Description | Number of patent applications / Date published |
429516000 | Immobilizing structure or material (e.g., matrix, diaphragm, or membrane, etc.) | 41 |
20100143825 | METALLIC SEPARATOR FOR FUEL CELL AND METHOD OF FABRICATING THE SAME - Provided are a metallic separator for fuel cell in which a Cr | 06-10-2010 |
20100167175 | ELECTROCHEMICAL CATALYSTS - A composition useful in electrodes provides higher power capability through the use of nanoparticle catalysts present in the composition. Nanoparticles of transition metals are preferred such as manganese, nickel, cobalt, iron, palladium, ruthenium, gold, silver, and lead, as well as alloys thereof, and respective oxides. These nanoparticle catalysts can substantially replace or eliminate platinum as a catalyst for certain electrochemical reactions. Electrodes, used as anodes, cathodes, or both, using such catalysts have applications relating to metal-air batteries, hydrogen fuel cells (PEMFCs), direct methanol fuel cells (DMFCs), direct oxidation fuel cells (DOFCs), and other air or oxygen breathing electrochemical systems as well as some liquid diffusion electrodes. | 07-01-2010 |
20100190093 | HOLLOW FIBER MEMBRANE FOR HUMIDIFIER AND METHOD FOR MANUFACTURING THE SAME - Disclosed are a hollow fiber membrane for a humidifier which exhibits superior moisture/heat-resistance and excellent hydrophilicity and can be manufactured at low cost, and a method for manufacturing the same. The hollow fiber membrane includes a tube-type first hydrophilic polymer film having a hollow center, and a second hydrophilic polymer film coated on the inner surface of the tube-type first hydrophilic polymer film. The method includes producing an intermediate hollow fiber membrane from a first hydrophilic polymer material, potting the intermediate hollow fiber membrane in a housing to produce an intermediate hollow fiber membrane module, and coating a second hydrophilic polymer film on the inner surface of the intermediate hollow fiber membrane. | 07-29-2010 |
20110039189 | MEMBRANE/ELECTRODE ASSEMBLY FOR POLYMER ELECTROLYTE FUEL CELL - To provide a membrane/electrode assembly less susceptible to flooding on shortcircuiting caused by piercing of carbon fibers of a gas diffusion layer to a polymer electrolyte membrane. | 02-17-2011 |
20110053048 | Fuel Cell Constituting Component - A fuel cell component integrates an attachment member | 03-03-2011 |
20110091796 | ELECTROCHEMICAL CATALYSTS - A composition useful in electrodes provides higher power capability through the use of nanoparticle catalysts present in the composition. Nanoparticles of transition metals are preferred such as manganese, nickel, cobalt, iron, palladium, ruthenium, gold, silver, and lead, as well as alloys thereof, and respective oxides. These nanoparticle catalysts can substantially replace or eliminate platinum as a catalyst for certain electrochemical reactions. Electrodes, used as anodes, cathodes, or both, using such catalysts have applications relating to metal-air batteries, hydrogen fuel cells (PEMFCs), direct methanol fuel cells (DMFCs), direct oxidation fuel cells (DOFCs), and other air or oxygen breathing electrochemical systems as well as some liquid diffusion electrodes. | 04-21-2011 |
20110195346 | HYBRID SEAL APPLICATION PROCESS - A method for creating a formed-in-place seal on a fuel cell plate is disclosed. The method includes first dispensing a flowable seal material along a first sealing area of a fuel cell plate requiring the seal material. Next, a preformed template is located adjacent to at least a portion of the fuel cell plate, the template including predetermined apertures corresponding with a second sealing area of the plate, such that the apertures are coextensive with at least a portion of the first sealing area. Flowable seal material is applied into the apertures, and is then cured to a non-flowable state. | 08-11-2011 |
20110229800 | METAL SEPARATOR FOR FUEL CELL AND METHOD OF MANUFACTURING THE SAME - Disclosed are a metal separator for fuel cells, which exhibits excellent properties in terms of corrosion resistance, electrical conductivity and durability, and a method of manufacturing the same. The metal separator for fuel cells includes a separator-shaped metal matrix and a coating layer formed on the metal matrix. The coating layer has a concentration gradient of a carbon element C and a metal element Me according to a thickness thereof such that the carbon element C becomes gradually concentrated in the coating layer with increasing distance from the metal matrix, and the metal element Me becomes gradually concentrated in the coating layer with decreasing distance from the metal matrix. | 09-22-2011 |
20110256471 | BIPOLAR PLATE ASSEMBLY WITH THERMOPLASTIC SEALANT AND METHOD THEREFOR - Exemplary embodiments include a product and a method of a bipolar plate assembly for a fuel cell stack. The bipolar plate assembly includes a first plate with a first border, and a second plate with a second border. A thermoplastic sealant is melted between the first and second borders. | 10-20-2011 |
20110294042 | STAINLESS STEEL FOR POLYMER FUEL CELL SEPARATOR AND METHOD FOR PREPARING SAME - There are provided a ferrite stainless steel for a polymer fuel cell separator having excellent corrosion resistance and interfacial contact resistance under an operating environment of a polymer fuel cell, and a preparation method of the stainless steel. A stainless steel includes C: 0.02 wt % or less, N: 0.02 wt % or less, Si: 0.4 wt % or less, Mn: 0.2 wt % or less, P: 0.04 wt % or less, S: 0.02 wt % or less, Cr: 25.0 to 32.0 wt %, Cu: 0 to 2.0 wt %, Ni: 0.8 wt % or less, Ti: 0.5 wt % or less, Nb: 0.5 wt % or less, waste Fe and inevitably contained elements. A preparation method of the stainless steel having a second passive film formed on a surface thereof includes forming a first passive film on the surface of the stainless steel by bright-annealing or annealing-pickling the stainless steel; removing the first passive film by pickling the stainless steel in a 10 to 20 wt % sulfuric acid solution at a temperature of 50 to 75° C. for a predetermined time; water-washing the stainless steel; and forming the second passive film by performing a passivation treatment on the stainless steel in the mixture of a 10 to 20 wt % nitric acid and a 1 to 10 wt % fluorine acid at a temperature of 40 to 60° C. for the predetermined time. Accordingly, it is possible to prepare a stainless steel having reduced elution resistance and excellent corrosion resistance and to produce a stainless steel for a polymer fuel cell separator, which has low interfacial contact resistance and excellent long-term performance even under a fuel cell operating condition of 60 to 150° C. and various surface roughness conditions. | 12-01-2011 |
20120003567 | SEPARATOR FOR FLAT-TYPE POLYMER ELECTROLYTE FUEL CELLS - A separator for flat-type polymer electrolyte fuel cells comprises a fuel-feed-side separator and an oxygen-feed-side separator, each comprising a collector portion in which n unit conductive substrates (n is an integer of 2 or more), each having a plurality of through-holes, are arrayed in flat configuration via gaps, and a pair of insulating frames which have n openings in alignment with an array position of the unit conductive substrates and are integrated in such a way as to hold the collector portion between them. The back-to-back (n−1) unit conductive substrates of the n unit conductive substrates in one of both separators, as counted from the end of its array direction, and the 2 | 01-05-2012 |
20120015283 | COMPOSITE GASKET FOR FUEL CELL STACK - A composite gasket to provide sealing and to control a swelling of at least a plurality of gas diffusion layers in a fuel cell includes a first incompressible layer provided near an anode flow field, a second incompressible layer provided near a cathode flow field. Further, the composite gasket includes a first elastomeric layer provided in between the first incompressible layer and the anode flow field and a second elastomeric layer provided between the second incompressible layer and the cathode flow field. | 01-19-2012 |
20120077113 | MICROPOROUS POLYETHYLENE FILM WITH THERMALLY STABLE HYBRID-COMPOSITE LAYERS - Provided is a microporous organic/ inorganic composite coated layer comprising a heat resistant resin and inorganic particles, formed on at least one side of microporous polyethylene. The microporous polyethylene composite film is characterized by sufficient permeability and heat resistance at the same time, of which the permeability (Gurley) of overall composite film including a coated layer is not more than 300 sec; shrinkage after 150° C. for 1 hour is 0-3% in both MD/TD directions; maximum shrinkage in TMA is not more than 3%, and TMA meldown temperature is 145-200° C. The microporous polyethylene composite film formed by means of the coated layer possesses stability at high temperature as well as excellent permeability, thereby ensuring reliability and efficiency of a battery at the same time. A separator which conforms to high power/high capacity can be provided thereby. | 03-29-2012 |
20120088185 | TITANIUM-BASED MATERIAL, METHOD OF MANUFACTURING TITANIUM-BASED MATERIAL, AND FUEL CELL SEPARATOR - A method of manufacturing a titanium-based material includes: rolling a titanium base material via rolling oil that includes carbon to form a rolling-altered layer that includes titanium carbide on a surface of the base material; and depositing a carbon film on the surface on which the rolling-altered layer has been formed. | 04-12-2012 |
20120094215 | GAS DIFFUSION ELECTRODE AND PRODUCTION METHOD FOR SAME; MEMBRANE ELECTRODE ASSEMBLY AND PRODUCTION METHOD FOR SAME - [Object] To provide a gas diffusion electrode capable of a high current density operation of a fuel cell. | 04-19-2012 |
20120100461 | HYDROPHILIC POROUS LAYER FOR FUEL CELLS, GAS DIFFUSION ELECTRODE AND MANUFACTURING METHOD THEREOF, AND MEMBRANE ELECTRODE ASSEMBLY | 04-26-2012 |
20120164560 | INTERLOCKABLE BEAD SEAL - An interlockable bead seal for a bipolar plate is provided. The interlockable bead seal includes a first elongate bead formed on a first plate and a second elongate bead formed on a second plate. The first elongate bead has a sealing surface and the second elongate bead has a trough. An interlockable bipolar plate having the interlockable bead seals, and a fuel cell stack formed from a plurality of the interlockable bipolar plates, are also provided. A lateral slippage between components of the fuel cell stack is militated against by the interlockable bipolar plates. | 06-28-2012 |
20130022897 | DISCRETELY SUPPORTED WET SIDE PLATES - A water vapor transfer separator plate assembly and a method of making the same. In such an assembly made up of a stack of alternating wet side plates and dry side plates with a membrane disposed between them, a humid fluid such as that found in a fuel cell cathode exhaust flows against one side of each membrane such that at least some of its moisture content travels across the membrane to a lower humidity fluid on the opposite side of the membrane. The lower humidity fluid, such as that found in a fuel cell cathode entrance, experiences an increase in its humidity by the operation of the moisture flow across the membrane. At least a portion of the assembly may be made thinner by removing diffusion media and reinforcing structure of the dry side plates such that the overall assembly is simplified. | 01-24-2013 |
20130040226 | BRAZING MATERIAL FOR BONDING IN ATMOSPHERE, BONDED ARTICLE, AND CURRENT COLLECTING MATERIAL - A brazing alloy for bonding in air, in which the melting point is reduced so as to perform brazing at a low temperature without using flux even in air, is provided. In addition, a bonded article and a current collecting material, each of which is bonded with the brazing alloy and has preferable gas sealing characteristics and superior bonding strength, are provided. The brazing alloy for bonding in air includes Ag and B as essential components. The amount of Ag is not less than 50 vol. % and less than 92 vol. %, and the amount of B is greater than 8 vol. % and not more than 50% vol. %. The amounts of Ag and B are adjusted so that the total of the amounts of Ag and B is 100% including inevitable impurities. | 02-14-2013 |
20130052565 | APPLYING A SEAL TO A FUEL CELL COMPONENT - An exemplary method of applying a seal to a fuel cell component includes providing a release layer on one side of a seal. The release layer has reinforcing fibers. Another side of the seal is placed against a selected portion of the fuel cell component. The seal, release layer and fuel cell component are heated. The release layer is then removed after the seal is secured to the fuel cell component. | 02-28-2013 |
20130065158 | GASKET - Provided is a gasket which can improve a handling property of the gasket by enhancing a rigidity of a carrier, can secure a space saving without increasing a thickness of the gasket, and can improve a yield ratio of a resin material, in the gasket of a type that a gasket body is integrated with the resin carrier. A planar gasket used by being pinched between two members superposed with each other has a gasket body achieving a seal action, and a carrier retaining the gasket body, the carrier is formed as a predetermined planar shape by a metal mold with a resin material, and is formed as a stepped shape by setting a partial portion which is superposed with the gasket body on a plane to a thin portion, and setting the other portion which is not superposed with the gasket body on the plane to a thick portion. | 03-14-2013 |
20130130153 | TITANIUM FUEL CELL SEPARATOR - Disclosed is a titanium fuel cell separator having excellent conductivity and durability. In the disclosed titanium fuel cell separator ( | 05-23-2013 |
20130149634 | METHOD AND DEVICE FOR PRODUCING A MEMBRANE MODULE FOR A FUEL CELL AND MEMBRANE MODULES PRODUCED THEREBY - Disclosed is a method and device for producing a membrane module used in a membrane humidifier for humidifying air in a polymer fuel cell, in which a small amount of hollow fiber membranes are disposed in the center of the membrane module and a larger amount of hollow fiber membranes are disposed toward the edge based on the design of a potting cap. Dry air introduced from an air blower into the membrane can be distributed to the edge where the larger amount of hollow fiber membranes are disposed, thereby maintaining uniform humidification performance over the entire hollow fiber membranes. | 06-13-2013 |
20130224632 | NOVEL SEPARATORS FOR ELECTROCHEMICAL SYSTEMS - Provided are separator systems for electrochemical systems providing electronic, mechanical and chemical properties useful for a variety of applications including electrochemical storage and conversion. Embodiments provide structural, physical and electrostatic attributes useful for managing and controlling dendrite formation and for improving the cycle life and rate capability of electrochemical cells including silicon anode based batteries, air cathode based batteries, redox flow batteries, solid electrolyte based systems, fuel cells, flow batteries and semisolid batteries. Disclosed separators include multilayer, porous geometries supporting excellent ion transport properties, providing a barrier to prevent dendrite initiated mechanical failure, shorting or thermal runaway, or providing improved electrode conductivity and improved electric field uniformity. Disclosed separators include composite solid electrolytes with supporting mesh or fiber systems providing solid electrolyte hardness and safety with supporting mesh or fiber toughness and long life required for thin solid electrolytes without fabrication pinholes or operationally created cracks. | 08-29-2013 |
20130244136 | DEVICE FORMING A SEAL BETWEEN TWO SPACES HAVING MUTUALLY REACTIVE GASES, AND USE IN HIGH TEMPERATURE STEAM ELECTROLYSIS (HTSE) UNITS AND IN SOLID OXIDE FUEL CELLS (SOFC) - A seal between two spaces able to be occupied by two mutually reactive gases, typically oxygen and hydrogen. A buffer chamber is produced between the two spaces of mutually reactive gases, wherein leaks of reactive gases to the buffer chamber are determined to produce a flow which is mainly of diffusive type, for example by molecular or Knudsen diffusion. Such a seal may, for example, find application to production of a seal in an EHT electrolyser or a fuel cell of SOFC type. | 09-19-2013 |
20130252136 | FUEL CELL SEPARATOR MATERIAL, FUEL CELL, AND METHOD FOR MANUFACTURING FUEL CELL SEPARATOR MATERIAL - It is an object to provide a fuel cell separator material excellent in electroconductivity and corrosion resistance and capable of excellently adhering to a gasket material by stipulating a novel separator material, a fuel cell, and a method for manufacturing the fuel cell separator material. | 09-26-2013 |
20130252137 | USE OF POROUS MEMBRANE AND COMPOSITE MEMBRANE THEREOF IN REDOX FLOW ENERGY STORAGE BATTERY - Disclosed is use of a porous membrane and a composite membrane thereof in a redox flow batteries, and in particular the use thereof in a vanadium redox flow battery. The membrane can effectively realize the separation of ions with different valence states, and an ion transfer without any ion exchange group. The pore size and structure of the porous membrane can be controlled by filling an inorganic substance or grafting an ion exchange group in the pore, in order to improve the barrier properties of the porous membrane for vanadium ions and to increase proton conductivity. | 09-26-2013 |
20140030634 | METHOD FOR BONDING ALUMINUM-BASED METALS - An inexpensive bonding method is provided to bond materials constituted of an aluminum-based metal to each other at a low temperature and a low pressure while inhibiting deformation, without requiring the use of a flux and minimizing the influence on the base materials and the periphery. Also provided are various bonded parts obtained by the bonding method. An insert material comprising Zn as an element that undergoes a eutectic reaction with Al is interposed between two materials constituted of an aluminum-based metal. The two materials are heated, while being pressed against each other, to a temperature at which the eutectic reaction takes place, thereby generating, at the bonding interface between the two materials, a melt due to the eutectic reaction with some of the Al contained in the base materials and discharging the Al oxide films from the bonding interface together with the melt. Thus, the two materials are bonded. | 01-30-2014 |
20140030635 | CORROSION-RESISTANT ALLOY COATING FILM FOR METAL MATERIALS AND METHOD FOR FORMING SAME - A highly corrosion-resistant alloy coating film on the surface of a metallic material by a low-cost and mass-producible simple formation method including forming a corrosion-resistant alloy coating film on the surface of a metallic material, the film contains Ni, Cr, and Si as essential constituents, in which the content ratio of Cr is 1 to 50 wt %, the content ratio of Si is 0.1 to 30 wt %, and the film has a thickness of 0.1 to 1000 μm. | 01-30-2014 |
20140120456 | PERMEATION BARRIER LAYER - A sealable volume has a wall forming at least a portion of a boundary limiting the volume. The wall includes a hydrogen permeation barrier including a layer system (LS) having at least one layer. The layer system includes at least one hydrogen barrier layer (HPBL) of an at least ternary oxide. Preferably, the oxide is substantially composed of Al, Cr and O and the hydrogen barrier layer (HPBL) is deposited using physical vapor deposition, in particular cathodic arc evaporation. Preferably, the layer system includes at least one of: an adhesion layer (AdhL), a hydrogen storage layer (HStL), a protective layer (ProtL), in particular a thermal barrier layer (ThBL), a diffusion barrier layer (DBL), an oxidation barrier layer (OxBL), a chemical barrier layer (ChBL), a wear resistance layer (WRL). Excellent hydrogen permeation barrier properties can be achieved, and the layer system can be tailored as required by an envisaged application. | 05-01-2014 |
20140193744 | HEAT-CURABLE RESIN COMPOSITION, PRODUCTION METHOD OF CURED ARTICLE AND MOLDED ARTICLE OF THE SAME, CURED ARTICLE, MOLDED ARTICLE, AND SEPARATOR FOR A FUEL CELL - Provided are a heat-curable resin composition that yields a molded article having excellent dimensional accuracy and mechanical property even when high-temperature molding is carried out, a production method of article and a molded article thereof, a cured article, a molded article, and a separator for a fuel cell. A heat-curable resin composition in an embodiment of the present invention comprises: (A) a binder in an amount of 100 parts by mass comprising 50 mass % or more of a polymer comprising 60 mol % or more monomer units having a carbon-carbon double bond in a side chain; (B) a carbon material in an amount of 150 to 1,000 parts by mass; (C) a curing initiator in an amount of 1 to 10 parts by mass; and (D) a curing retarder in an amount of 0.1 to 2 parts by mass. | 07-10-2014 |
20140295324 | SEPARATOR FOR FUEL CELL AND METHOD FOR MANUFACTURING THE SAME - A separator for a fuel cell and a method for manufacturing the same comprise two sheets of metal plates integrally formed to minimize contact resistance between an upper metal plate and a lower metal plate. The method for manufacturing the separator includes steps of preparing an upper metal plate and a lower metal plate, each plate having opposing main sides, and applying a coating liquid containing a polymer composite material on both sides of the upper and lower metal plates, to form first and second composite material layers on both sides of the upper plates and third and fourth composite material layers on both sides of the lower plates. The method further includes stacking the upper metal plate on the lower metal plate, before drying the respective composite material layers, and integrally bonding the second composite material layer and the third composite material layer to form a single intermediate composite material layer. | 10-02-2014 |
20140329171 | CONDUCTIVE INTERCONNECTED POROUS FILM AND METHOD OF PRODUCTION OF SAME - A new conductive interconnected porous film, useful as a material for a gas diffusion layer which is used in a solid polymer type fuel cell, which satisfies the requirements of a good conductivity, good gas permeability, surface smoothness, corrosion resistance, and low impurities and which is strong in bending and excellent in handling to an extent not obtainable by existing sheet materials of carbon fiber, that is, a conductive interconnected porous film wherein a resin base material part of a thermoplastic resin has a porous interconnected cell structure which is formed by removal of removable particulate matter and has cells of sizes of 10 μm to 50 μm and wherein the resin base material part is comprised of different particle size particles of first carbon particles of large size carbon particles of a diameter of 5 μm or more and second carbon particles of micro size carbon particles of a diameter of 10 nm or more mixed together, and a method of production of the same. | 11-06-2014 |
20150064606 | ASSEMBLY OF A POROUS METAL DIFFUSION SUBSTRATE AND A POLYMERIC SEPARATOR MEMBRANE - The invention relates to an assembly of a porous metallic gas diffusion substrate and a polymeric separator membrane for use in an alkaline electrolyser or alkaline fuel cell. The polymeric separator membrane of the assembly comprises inorganic hydrophilic particulates dispersed in an organic polymeric binder. The polymeric separator membrane is gas tight when filled with electrolyte. The polymeric separator membrane is penetrating into at least a top portion of the porous metallic gas diffusion substrate. Also disclosed is a method to produce such an assembly via coating a paste on a porous metallic gas diffusion substrate. | 03-05-2015 |
20150111132 | SEPARATOR MATERIAL FOR POLYMER ELECTROLYTE FUEL CELL HAVING EXCELLENT CORROSION RESISTANCE, CONDUCTIVITY AND FORMABILITY, AND METHOD FOR MANUFACTURING SAME - [Problem] To prepare a metallic separator for PEFCs having excellent corrosion resistance, conductivity, and formability at low cost. | 04-23-2015 |
20150140473 | FLUOROPOLYMER FILM - The invention pertains to a process for manufacturing a fluoropolynner film comprising a fluoropolymer hybrid organic/inorganic composite, said process comprising the following steps: (i) providing a mixture of:—at least one fluoropolymer [polymer (F)];—at least one metal compound [compound (M)] having formula: X | 05-21-2015 |
20150325863 | MATERIAL FOR FUEL CELL SEPARATORS AND METHOD FOR PRODUCING SAME - A material for fuel cell separators having excellent adhesion between a base and a carbon layer, excellent conduction durability and excellent production efficiency; and a method for producing the material are provided. The method includes: a coating step wherein a coating layer that contains carbon and a binder compound containing a carbon atom and an oxygen atom is formed on the surface of a titanium base of titanium or a titanium alloy with a thickness of 40-200 μm; and a heat treatment step treating the titanium base covered with the coating layer. The titanium base covered with the coating layer is wound into a coil shape and then subjected to the heat treatment carried out in a vacuum atmosphere of 10 Pa or less. A carbon layer and an intermediate layer containing titanium carbide are formed from the coating layer in the heat treatment step. | 11-12-2015 |
20150325864 | TITANIUM OR TITANIUM ALLOY FOR FUEL CELL SEPARATOR HAVING HIGH CONTACT CONDUCTIVITY WITH CARBON AND HIGH DURABILITY, FUEL CELL SEPARATOR INCLUDING THE SAME, AND FUEL CELL - [Object] To increase contact conductivity with carbon and durability of a titanium or titanium alloy material for a fuel cell separator so as to increase the lifetime of a fuel cell. | 11-12-2015 |
20150372323 | FUEL CELL COMPONENT HAVING A FLAP EXTENDING FROM A POLYMER IMPREGNATED REGION - According to an example embodiment, a method of making a fuel cell component includes permeating at least a portion of a component layer with a polymer. The portion of the component layer is adjacent an edge of the component layer. Some of the polymer is allowed to extend beyond the edge to thereby establish a flap beyond the edge of the component layer. A fuel cell component includes a component layer having a portion adjacent an edge of the layer that is impregnated with a polymer material and a flap of the polymer material extending beyond the edge. | 12-24-2015 |
20160181627 | SOFC INTERCONNECT BARRIERS AND METHODS OF MAKING SAME | 06-23-2016 |
20160197360 | FUEL CELL SEPARATING PLATE AND METHOD OF MANUFACTURING THE SAME | 07-07-2016 |