Entries |
Document | Title | Date |
20100203399 | SOLID OXIDE FUEL CELL SYSTEMS WITH HOT ZONES HAVING IMPROVED REACTANT DISTRIBUTION - A Solid Oxide Fuel Cell (SOFC) system having a hot zone with a center cathode air feed tube for improved reactant distribution, a CPOX reactor attached at the anode feed end of the hot zone with a tail gas combustor at the opposing end for more uniform heat distribution, and a counter-flow heat exchanger for efficient heat retention. | 08-12-2010 |
20100255386 | Method and system for anode gas recirculation in fuel cells - One of the main objects in providing optimal mass exchange for fuel cells, especially mobile fuel cells, is anode gas supply to fuel cell stack based on stoichiometric characteristics depending on variable loads and anode gas recirculation. External loads may vary in wide range and arbitrary change, thus complicate the optimal mass exchange in fuel cell stack. A new original technology is disclosed for anode gas supply using a multi-stage ejector. This technology, an ejector design and control system allow increasing fuel cell efficiency with quick loads changing from minimal to maximal as well as at cold start. | 10-07-2010 |
20100255387 | PHOTO-ACTIVATION OF SOLID OXIDE FUEL CELLS AND GAS SEPARATION DEVICES - In various aspects, provided are methods for: (a) improving oxygen incorporation in a solid oxide layer less than about 1000 nm thick; (b) extending the on-set of mixed conduction in a solid oxide layer less than about 1000 nm thick; (c) modulating the electrical conductivity of oxide ion conducting layer less than about 1000 nm thick; (d) decreasing the conductivity of an oxide ion conducting layer less than about 1000 nm thick; (e) improving the performance of a solid oxide fuel cell; and (f) improving the performance of a gas separation device. In various embodiments, the methods comprise exposing oxygen to light having one or more wavelengths in the range between about 100 nm to about 365 nm and contacting the layer with the oxygen so exposed. In various embodiments, the methods provide the potential for tailoring the surface catalytic activity of oxygen-ion and mixed conductors used in various solid-state devices. | 10-07-2010 |
20100304227 | STEAM GENERATOR - A method of generating steam by heating water in a steam generator comprising a plurality of steam generating channels, wherein water is supplied at a constant rate to each steam generating channel through respective water supply lines, and wherein a sufficient pressure drop is provided across each water supply line in order to prevent flow reversal in the plurality of steam generating channels. | 12-02-2010 |
20100304228 | APPARATUS AND METHOD USING HYDROGEN PRESSURE IN FUEL CELL ELECTRIC VEHICLE - A hydrogen fuel cell system ( | 12-02-2010 |
20100310946 | NEW FUEL CELL, AND POWER SUPPLY DEVICE AND ELECTRONIC APPARATUS USING THE SAME - To provide a fuel cell that can perform efficient power generation through a simple fuel supply. There is provided a fuel cell that generates electricity through progress of an oxidation-reduction reaction using an enzyme as a catalyst, the fuel cell including at least a fuel-vaporizing layer formed through vaporization of a fuel; an anode to which a vaporized fuel is supplied from the fuel-vaporizing layer; and a cathode connected to the anode in a state in which protons can be conducted. In the fuel cell, since a fuel is supplied to an electrode in a vaporized state, a vaporized fuel is supplied to an inner portion of the electrode and a reaction sufficiently proceeds at the inner surface of the electrode, which can achieve high output due to efficient power generation. Furthermore, even if an enzyme or the like is immobilized on an electrode, the enzyme or the like can be prevented from leaching out into a liquid fuel because a fuel is supplied to the electrode in a vaporized state, which can prevent a decrease in the output caused by leaching out of the enzyme or the like. | 12-09-2010 |
20100330438 | PASSIVE DILUTION UNIT FOR DILUTING FUELS - The present invention relates to a passive dilution unit which has a throughflow channel for fuel, the throughflow channel having at least one window in which a membrane provided with a catalyst is fitted. By means of diffusive processes, for example atmospheric oxygen can penetrate through the membrane to the fuel flow and cause a reaction by means of oxidative processes imparted by the catalyst, in which reaction the fuel is oxidised into water. The thereby resulting water is retained directly in the fuel flow and thereby directly dilutes the fuel. | 12-30-2010 |
20110014527 | POLYOXOMETALATE FLOW-CELL POWER SYSTEM - Embodiments of the present invention relate generally to redox flow batteries and, more specifically, to flow batteries that employ electron-ferrying redox compounds made from polyoxometalates (“POMs”). Embodiments of the present invention employ flow-battery technology that combines the fast electrochemical reaction of a battery with the fuel flexibility of a fuel cell to meet next-generation energy needs of a variety of power applications, including portable electronics used in military and commercial applications and large power modules that provide 550 W or more. To obtain a high-power-density stack, a reduced form of liquid POM is fed to the stack of cells, in certain embodiments of the present invention, where the reduced form of liquid POM is efficiently oxidized into liquid products at the anodes. Air is fed and reduced at the cathodes, generating water as a byproduct. | 01-20-2011 |
20110014528 | HYDROGEN GENERATION APPARATUS, FUEL CELL SYSTEM AND METHOD OF SHUTTING DOWN HYDROGEN GENERATION APPARATUS - A method of shutting down a hydrogen generation apparatus for limiting degradation in a catalyst due to dew condensation at the time of shutdown is provided. The method of shutting down the hydrogen generation apparatus comprising, a combustor which supplies heat necessary to a reforming device, a first air supplier which supplies air to the combustor, a combustion exhaust gas path formed such that the combustion exhaust gas produced in the combustor makes heat exchange with the reforming device and then with a CO reducing device, and a controller which operates the first air supplier so that the temperature of the gas in the CO reducing device does not become equal to or lower than a dew point after shutdown of the combustion operation of the combustor and before a start of a purging operation to purge the interiors of the reforming device and the CO reducing device with a replacement gas. | 01-20-2011 |
20110020714 | FUEL CELL AND ELECTRONIC DEVICE - A fuel cell capable of being thinned while maintaining a stable electric power supply is provided. A fuel cell includes a power generation section, a fuel tank, a fuel supply section (pump), and a fuel vaporization section. The power generation section has a structure in which a combined body is sandwiched between a cell plate and a cell plate. The combined body has a structure in which an anode electrode and a cathode electrode are oppositely arranged with an electrolyte film in between. In particular, the fuel supply section and the fuel vaporization section are integrally provided, and are connected by a nozzle section buried therein. A fuel contained in the fuel tank is pumped by the fuel supply section according to the state of the power generation section, and then is vaporized by the fuel vaporization section, and is supplied to the power generation section side. | 01-27-2011 |
20110045363 | PROCESS AND EQUIPMENT TO SIGNIFICANTLY REDUCE CO2 EMISSIONS FROM DIRECT CARBON FUEL CELLS WITHOUT MATERIALLY INCREASING THE COST OF GENERATING ELECTRICITY - A carbon-based energy system including an apparatus for generating electricity and byproduct CO | 02-24-2011 |
20110070507 | Solid Oxide Fuel Cell Systems with Heat Exchanges - Disclosed are solid oxide fuel cell systems, and methods for reducing temperature distribution across electrolytes within solid oxide fuel cells (SOFC), and increasing overall system efficiency. In one embodiment, the SOFCs include preheating channels that are interposed between electrolyte electrode assemblies within SOFCs, to provide internal heat exchange. The fuel and/or air entering the SOFC can be preheated in the preheating channels, thereby reducing or eliminating the need for an external preheating system. The preheating channels also provide barriers between each electrolyte electrode assembly, which aids in isolating damage within a single fuel cell. | 03-24-2011 |
20110091778 | FUEL CELL AND FUEL CELL STACK - The present invention relates to a small fuel cell and a small fuel cell stack each allowing for improved output. Conventionally, in a direct methanol fuel cell, carbon dioxide gas produced at an anode electrode side is exhausted together with a methanol aqueous solution. From the methanol aqueous solution, the carbon dioxide gas is separated, and then the methanol aqueous solution is reused as fuel. In this case, a liquid-gas separation device needs to be provided additionally, which results in a large fuel cell with an increased weight, disadvantageously. The present invention is made to solve such a problem by providing a fuel cell including a first unit cell having a cathode electrode, an electrolyte membrane, an anode electrode, and an anode collector layer in this order; and one or more spacers arranged on the anode collector layer. The anode collector layer has a fuel flow path for supplying fuel to the anode electrode, and a through hole for exhausting a reaction product generated by reaction in the anode electrode. Each of the spacers has an exhaust flow path for exhausting the reaction product to outside the fuel cell. The through hole and the exhaust flow path communicate with each other. | 04-21-2011 |
20110097632 | Air supply unit for a fuel cell stack, fuel cell system and method for operating an air supply unit - In an air supply unit for a fuel cell stack comprising a compressor for compressing air that is fed via a feed line to the fuel cell stack and to a turbine to which also exhaust gas of a combustion chamber can be supplied and wherein an exhaust gas from the combustion chamber is supplied to the turbine, the feed line to the fuel cell stack is in communication with a branch line by way of which compressed air can be fed also to the combustion chamber. The invention further relates to a method for operating an air supply unit for the fuel cell system. | 04-28-2011 |
20110111309 | FUEL CELL SYSTEM - A system for generating electrical power includes a fuel storage container having an inside and an outside including a wall including a heat conducting region configured to allow heat from an external heat source to be conducted into the fuel storage container. The system further includes a fuel cell region associated with a fuel cell having two sides, one side of the fuel cell exposed to the outside of the fuel storage container and one side of the fuel cell exposed to the inside of the fuel storage container, wherein the wall is configured to isolate the inside of the fuel storage container from the environment outside the fuel storage container. The system further includes an opening for receiving a fuel load for storage in the fuel storage container, the fuel cell having two sides, and an electrical connection providing access to power generated by the fuel cell. | 05-12-2011 |
20110117457 | Fuel Battery Module and Fuel Battery Device - Provided is a fuel battery module and a fuel battery device which achieve improved power generation efficiency. The fuel battery module is configured by housing a cell stack ( | 05-19-2011 |
20110177402 | EXCESS HYDROGEN CONSUMPTION UNIT, FUEL CELL UNIT AND FUEL CELL SYSTEM - A fuel cell unit includes a proton exchange membrane, a first catalyst layer, a second catalyst layer, a first gas diffusion layer (GDL) disposed on the first catalyst layer, a second GDL disposed on the second catalyst layer, a flow channel of hydrogen gas disposed on the first GDL for guiding a hydrogen gas to the first GDL, and a flow channel of excess hydrogen gas disposed on the second GDL and communicated with the channel of hydrogen gas. The first and the second catalyst layers are respectively disposed at both sides of the proton exchange membrane. The hydrogen gas in the flow channel of excess hydrogen gas and an oxygen gas outside the flow channel of excess hydrogen gas are capable of mixing with each other in the second GDL and contacting the second catalyst layer to generate a chemical combustion reaction. | 07-21-2011 |
20110223495 | PREVENTING AIR INTRUSION INTO HYDROGEN-STABILIZED FUEL CELLS DURING SHUTDOWN - During a process of shutting down a fuel cell power plant ( | 09-15-2011 |
20110236773 | FUEL CELL CATALYST REGENERATION - Systems that facilitate operating proton exchange membrane (PEM) fuel cells are provided. The systems employ a fuel supply component that supplies fuel to the proton exchange membrane fuel cell; and a regeneration component that provides a reducing agent comprising a mixture of hydrogen and nitrogen, or a reducing plasma to a cathode catalyst of the proton exchange membrane fuel cell to reduce the cathode catalyst. | 09-29-2011 |
20110250513 | FUEL CELL - The objective of the present invention is to provide a fuel cell capable of efficient heat recovery and effective temperature control in a fuel cell stack. In order to achieve the object stated above, there is provided an internal reforming type fuel cell ( | 10-13-2011 |
20110269032 | COMBUSTOR FOR A FUEL CELL SYSTEM - A combustor generates and supplies hot combustion gases to a fuel reformer. The combustor includes a housing defining a combustion chamber. The combustor also includes a fuel vaporizer having a fuel tube with an electric heating element. The fuel tube is positioned such that a portion thereof extends into the combustion chamber and is exposed to the hot combustion gases exiting the combustion chamber. An electric current is supplied to the electric heating element to vaporize the liquid fuel within the fuel tube when the temperature within the combustion chamber is below is a predetermined temperature. Substantially no electric current is supplied to the electric heating element when the temperature within the combustion chamber is at least the predetermined temperature and the hot combustion gases passing over the portion of the fuel tube extending into the combustion chamber vaporize the liquid fuel within the fuel tube. | 11-03-2011 |
20110274990 | Methanol and Hydrogen Peroxide Fuel Cell with Hydroxyl Ion Exchange Membrane - The fuel cell uses hydrogen peroxide (as oxidant) and methanol (as fuel) to generate electric power and it can operate in a low temperature (20-90° C.). Hydrogen peroxide is used in cathode (coated with catalyst) compartment located at one side of a hydroxyl ion exchange membrane. At the other side of the membrane, methanol is used in anode (coated with catalyst) compartment. A catalytic reduction reaction occurs at cathode to produce hydroxyl ions from hydrogen peroxide, and a catalytic oxidation reaction occurs at anode to produce water and carbon dioxide from methanol. When hydroxyl ions move through electrolyte in the ion exchange membrane from cathode to anode, an electric current is generated accordingly. | 11-10-2011 |
20110281185 | Modular fuel cell system - A fuel cell stack module includes a base, a cover dome removably positioned on the base, and a plurality of fuel cell stacks removably positioned on the base below the cover dome. A modular fuel cell system includes a plurality of the fuel cell stack modules, where each fuel cell stack module may be electrically disconnected, removed from the fuel cell system, repaired or serviced without stopping an operation of the other fuel cell stack modules in the fuel cell system. | 11-17-2011 |
20110287330 | HIGH-TEMPERATURE FUEL CELL SYSTEM - The invention relates to a high-temperature fuel cell system comprising at least one fuel cell as heat generating source and/or at least one fuel cell system component as exothermic or endothermic source enclosed by a thermal insulation system. Between an inner thermal insulation unit and a radial outer shell at least one hollow space exists and this hollow space is evacuated or at least one fluid can be fed through and/or stored inside of the hollow space. | 11-24-2011 |
20110294022 | FUEL CELL SYSTEM WITH BURNER - Fuel cell system with at least one burner that is arranged directly at a fuel cell, shaped at/on it, or in which a burner ( | 12-01-2011 |
20120015258 | COMPACT AIR PREHEATER FOR SOLID OXIDE FUEL CELL SYSTEMS - The present invention provides, among other things, a method of operating a solid oxide fuel cell system including a fuel cell stack. The method can include the acts of combining an exhaust flow from an anode side of the fuel cell stack and an exhaust flow from a cathode side of the fuel cell stack, transferring heat from the combined exhaust flow to a first air flow, and combining a second air flow and the heated first air flow upstream from the fuel cell stack to control a temperature of the combined air flow entering the cathode side of the solid oxide fuel cell. | 01-19-2012 |
20120021304 | ELECTROLYTE SHEET FOR SOLID OXIDE FUEL CELL, METHOD FOR PRODUCING THE SAME, AND CELL FOR SOLID OXIDE FUEL CELL - An electrolyte sheet for solid oxide fuel batteries with mechanical strength characteristics is proposed. These characteristics may include a high and stable average value of strength, Weibull coefficient, and a high adhesion to an electrode formed on a surface thereof and hence inhibits the electrode from interfacial separation from the electrolyte sheet. The electrolyte sheet for solid oxide fuel batteries is characterized by having a plurality of concaves and/or convexes on at least one surface thereof, the concaves and convexes having base faces which are circular or elliptic or are a rounded polygon in which the vertexes have a curved shape with a curvature radius of 0.1 μm or larger and/or the concaves and convexes having a three-dimensional shape which is semispherical or semiellipsoidal or is a polyhedron in which the vertexes and the edges have a curved cross-sectional shape having a curvature radius of 0.1 μm or larger. | 01-26-2012 |
20120034535 | REDUCING LOSS OF LIQUID ELECTROLYTE FROM A HIGH TEMPERATURE POLYMER-ELECTROLYTE MEMBRANE FUEL CELL - A method for controlling an amount of a liquid electrolyte in a polymer-electrolyte membrane of a fuel cell is provided. The method comprises enriching one or more of a fuel flow and an air flow with a vapor of the liquid electrolyte, the liquid electrolyte being unreplenishable via an electrochemical reaction of the fuel cell. The method further comprises delivering the vapor of the liquid electrolyte to the fuel cell including the polymer-electrolyte membrane via one or more of the gas-permeable anode and or the gas-permeable cathode. In this manner, loss of liquid electrolyte from the PEM membrane of the fuel cell can be reduced, leading to improved fuel-cell endurance. | 02-09-2012 |
20120088165 | CARBON FUEL PARTICLES USED IN DIRECT CARBON CONVERSION FUEL CELLS - A system for preparing particulate carbon fuel and using the particulate carbon fuel in a fuel cell. Carbon particles are finely divided. The finely dividing carbon particles are introduced into the fuel cell. A gas containing oxygen is introduced into the fuel cell. The finely divided carbon particles are exposed to carbonate salts, or to molten NaOH or KOH or LiOH or mixtures of NaOH or KOH or LiOH, or to mixed hydroxides, or to alkali and alkaline earth nitrates. | 04-12-2012 |
20120115050 | METHOD FOR IN-SITU PREPARATION OF POLYBENZIMIDAZOLE-BASED ELECTROLYTE MEMBRANE AND POLYBENZIMIDAZOLE-BASED ELECTROLYTE MEMBRANE PREPARED THEREBY - Disclosed is a method for in-situ preparation of a polybenzimidazole-based electrolyte membrane, including: polymerizing a polybenzimidazole polymer in a solution; casting a solution containing the polymerized polymer onto a substrate and drying the solution in air to form a membrane; washing the dried membrane with water or alcohol; and allowing water or alcohol to evaporate from the membrane containing water or alcohol, while maintaining the shape of the membrane. The method for in-situ preparation of a polybenzimidazole-based electrolyte membrane allows easy preparation of a polybenzimidazole-based electrolyte membrane having a desired area without any complicated processes, and thus contributes to simplification of an overall process for fabricating a fuel cell. | 05-10-2012 |
20120148925 | AMMONIA FLAME CRACKER SYSTEM, METHOD AND APPARATUS - Apparatus, methods and systems reside in the decomposition of ammonia into a hydrogen gas mixture. An ammonia-rich gaseous mixture containing ammonia and oxygen enters into a conduit within which combustion and decomposition of the mixture is initiated, thereby liberating hydrogen. A mixture of gaseous products resulting from the reaction is expelled from the outlet of the conduit, the mixture including non-combusted hydrogen gas, which may then be used for other purposes. In the preferred embodiment, the incoming reactants including ammonia and oxygen are heat exchanged with the outgoing product mixture containing non-combusted hydrogen gas. | 06-14-2012 |
20120178003 | SOFC Hot Box Components - Various hot box fuel cell system components are provided, such as heat exchangers, steam generator and other components. | 07-12-2012 |
20120202128 | Solid Electrolyte Including Layered Metal Oxide, Fuel Cell Including Thereof, Production Method for Solid Electrolyte, and Production Method for Electrode Catalyst - A solid electrolyte including a layered metal oxide represented by the formula (1), | 08-09-2012 |
20120231354 | ELECTROLYTE MEMBRANE, FUEL CELL, AND ELECTROLYTE MEMBRANE MANUFACTURING METHOD - A composite membrane that can be used as an electrolyte membrane of a fuel cell is produced from a resin material that contains at least polybenzimidazole and from a composite material that is produced from of hydrogen sulfate and heteropoly acid. The composite membrane has a basic structure of an aromatic hydrocarbon that does not contain fluorine and has good efficiency, even at a low doping level, so it can be used for the electrolyte membrane of a medium temperature dry fuel cell. Phosphoric acid is doped into the composite membrane. Characteristics of the relationship between output current density and output voltage for an electrolyte membrane that is made from the created composite membrane (a specimen | 09-13-2012 |
20120270117 | SOFC Hot Box Components - Various hot box fuel cell system components are provided, such as heat exchangers, steam generator and other components. | 10-25-2012 |
20120282532 | BLOCK COPOLYMER ELECTROLYTE COMPOSITE MEMBRANES AND METHODS OF PRODUCING THE SAME - The present invention relates to block copolymer electrolyte composite membranes with improved ionic conductivity. The block copolymer electrolyte composite membrane in accordance with an aspect of the present invention can comprise a plate-like inorganic filler as surface-modified with a sulfonic group; and a block copolymer comprising at least one selected from the group consisting of a sulfonic group, a carbonic acid group, and a phosphoric acid group. | 11-08-2012 |
20130078539 | RESIDUAL GAS BURNER - The present invention relates to a residual gas burner ( | 03-28-2013 |
20130095396 | SOLID OXIDE FUEL CELL STACK - A solid oxide fuel cell (SOFC) stack is disclosed. The SOFC may include an oxidizing agent flow path fluidly connecting a first oxidizing agent chamber and a second oxidizing agent chamber. The first oxidizing agent chamber may include an oxidizing agent supply pipe through which an oxidizing agent is flowed from an outside thereof. The second oxidizing agent chamber may perform a reduction reaction on the oxidizing agent received from the first oxidizing agent chamber. In operation, a fluid flows between the first and second oxidizing agent chambers, and may be provided to an outside of the second oxidizing agent chamber. Further, the structure of the flow path may allow heat to be conducted from the second oxidizing agent chamber. | 04-18-2013 |
20130122381 | HIGH TEMPERATURE RECHARGEABLE BATTERY FOR GREENHOUSE GAS DECOMPOSITION AND OXYGEN GENERATION - This invention shows a high temperature rechargeable battery system for energy storage, oxygen generation, and decomposition of oxygen-containing gases (e.g. CO | 05-16-2013 |
20130130132 | FUEL CELL SYSTEM AND CONTROL METHOD OF THE SAME - Features is a fuel cell system including: a stack consisting of a plurality of unit cells generating electrical energy by means of electrochemical reaction of a fuel and an oxidizing agent; a fuel supply connected to the stack through a first connecting line to supply the fuel to the stack; an oxidizing agent supply connected to the stack through a second connecting line to supply the oxidizing agent to the stack; a burner mounted on the second connecting line and generating heat by means of oxidizing catalytic reaction of the fuel and oxidizing agent; a mixing valve mounted on a third connecting line which connects the first connecting line with the second connecting line and supplying the fuel and the oxidizing agent to the burner; and a heater mounted at the burner, generating heat by electricity, and supplying the heat to the burner. | 05-23-2013 |
20130164639 | COMPRESSION FILL OF ANODE OF A FUEL CELL SYSTEM - A method for filling a fuel cell system with a fuel during start-up is disclosed, the method including the steps of providing a fuel cell stack having a plurality of fuels cells, each fuel cell having an active area, the fuel cell stack including an anode supply manifold and an anode exhaust manifold, the anode supply manifold and in fluid communication with a source of fuel; providing an anode sub-system in fluid communication with an anode side of the fuel cell stack; and supplying the fuel to the fuel cell stack substantially uniformly and substantially simultaneously to compress any fluids in the fuel cell stack into a volume between an end of each active area adjacent to the anode exhaust manifold and an outlet of the anode sub-system. | 06-27-2013 |
20130171528 | Organo-Copper Reagents for Attaching Perfluorosulfonic Acid Groups to Polyolefins - An ion conducting membrane for fuel cells involves coupling a compound having a sulfonic acid group with a polymeric backbone. Each of the compounds having a sulfonic acid group and the polymeric backbone are first functionalized with a halogen. | 07-04-2013 |
20130189593 | HYDROGEN SUPPLY APPARATUS AND FUEL GAS SUPPLY APPARATUS - Disclosed is a hydrogen supply apparatus which can mix an odorant with hydrogen gas even at a low temperature and can detect the leakage of the hydrogen gas. The apparatus comprises a gas storage means for storing hydrogen gas therein, an odorant-addition means for adding an odorant to the hydrogen gas fed from the gas storage means, and a temperature control means for controlling the temperature of at least one of the hydrogen gas stored in the gas storage means, the hydrogen gas fed from the gas storage means and the odorant. | 07-25-2013 |
20130209900 | PROCESS FOR PRODUCING FLUORINATED ION EXCHANGE RESIN FLUID - To provide a process for forming a polymer electrolyte membrane having good durability and few wrinkles, a polymer electrolyte membrane capable of forming a catalyst layer, or a catalyst layer; a process for producing a fluorinated ion exchange resin fluid, or a paste for forming a catalyst layer, which can be used for such a forming process; and a process for producing a membrane/electrode assembly for a polymer electrolyte fuel cell having good durability and power generation properties. A fluorinated ion exchange resin fluid obtained by subjecting a powder or pellets of a fluorinated ion exchange resin having cation exchange groups to hydrogen peroxide treatment, followed by mixing with a solvent, is used. | 08-15-2013 |
20130216924 | METHODS AND DEVICES FOR GENERATING ELECTRICITY FROM A FUEL AND AN OXIDANT USING A CAPACITOR - Devices and methods are provided for generating electrical power using a capacitor. The capacitor has a catalytic working electrode, a dielectric, and a counter electrode. Power is generated by flowing a fuel (e.g., hydrogen gas) over the working electrode, charging the capacitor (e.g. by applying a voltage), flowing an oxidant (e.g., oxygen gas) over the working electrode, and connecting the electrodes to a resistive load, which allows current to flow through the load, between the electrodes. The inverse device (i.e., oxidant first, then fuel) functions similarly. | 08-22-2013 |
20130236798 | COMPLEX ELECTROLYTE MEMBRANE FOR A FUEL CELL, METHOD FOR MANUFACTURING SAME, AND FUEL CELL INCLUDING SAME - Disclosed is a composite electrolyte membrane for a fuel cell. The composite electrolyte membrane includes a polybenzimidazole-based polymer and a metal-grafted porous structure. The composite electrolyte membrane is doped with phosphoric acid. The metal-containing porous structure is present in an amount of 0.1 to 30% by weight, based on the weight of the polymer. The presence of the metal-containing porous structure allows the fuel cell electrolyte membrane to have excellent thermal properties and high proton conductivity. | 09-12-2013 |
20130280626 | ANION CONDUCTING ELECTROLYTE MEMBRANE AND MANUFACTURING METHOD THEREOF - An anion conducting electrolyte membrane with high performance where the electric conductivity and the water uptake are balanced, and a method of manufacturing the same are disclosed. The anion conducting electrolyte membrane comprises: a polymeric material which consists of fluorine polymer, olefinic polymer, or aromatic polymer; weak base quaternary salt obtained by the reaction of grafts introduced by graft polymerizing vinyl monomer which contains halogenated alkyl groups using radiation and strong organic bases. | 10-24-2013 |
20140011103 | PROTON CONDUCTOR, METHOD FOR MANUFACTURING PROTON CONDUCTOR, AND FUEL CELL - A proton conductor includes a metal ion, an oxoanion, and a molecule capable of undergoing protonation or deprotonation, in which the oxoanion and/or the molecule capable of undergoing protonation or deprotonation coordinates to the metal ion to form a coordination polymer. The oxoanion is preferably a monomer. The oxoanion is exemplified by at least one selected from the group consisting of phosphate ion, hydrogenphosphate ion, and dihydrogenphosphate ion. The molecule capable of undergoing protonation or deprotonation is exemplified by at least one selected from the group consisting of imidazole, triazole, benzimidazole, benzotriazole, and derivatives of them. | 01-09-2014 |
20140017579 | ELECTROLYTE SHEET FOR SOLID OXIDE FUEL CELL, UNIT CELL FOR SOLID OXIDE FUEL CELL AND SOLID OXIDE FUEL CELL EQUIPPED WITH SAME, METHOD FOR TESTING ELECTROLYTE SHEET FOR SOLID OXIDE FUEL CELL, AND METHOD FOR MANUFACTURING ELECTROLYTE SHEET FOR SOLID OXIDE FUEL CELL - In an electrolyte sheet for a solid oxide fuel cell according to the present invention, the number of flaws on at least one of surfaces of the sheet detected by a fluorescent penetrant inspection is 30 points or less in each of sections obtained by dividing the sheet into the sections each measuring 30 mm or less on a side. A unit cell for a solid oxide fuel cell according to the present invention comprises a fuel electrode, an air electrode, and the electrolyte sheet for a solid oxide fuel cell according to the present invention, which is disposed between the fuel electrode and the air electrode. A solid oxide fuel cell of the present invention includes the unit cell for a solid oxide fuel cell according to the present invention. | 01-16-2014 |
20140030613 | METHOD FOR MAKING ANION ELECTROLYTE MEMBRANE - In a method for making anion electrolyte membrane a fluorinated poly(aryl ether) ionomer is dissolved in a solvent to form a ionomer solution. A crosslink component is added to the ionomer solution, to achieve a transparent solution. An inorganic component precursor and water are introduced to the transparent solution, to form a sol-gel mixture. A crosslink catalyst is mixed with the sol-gel mixture to form a membrane casting solution. The membrane casting solution is coated on a substrate to form a membrane, and heated. The membrane is removed from the substrate. | 01-30-2014 |
20140030614 | MANUFACTURING METHOD AND APPARATUS FOR ELECTROLYTE MEMBRANE WITH GASKETS - There is a manufacturing apparatus for an electrolyte membrane with gaskets by laminating an electrolyte membrane having a predetermined region on which a catalyst layer is formed and a gasket formed with an opening shaped to match the shape of the region of the catalyst layer. The manufacturing apparatus for an electrolyte membrane with gaskets includes a laminating roller that abuts on the gasket to laminate the electrolyte membrane and the gasket. The laminating roller has a surface on which a protrusion is formed. The protrusion is shaped to fit in the opening of the gasket. The manufacturing apparatus for an electrolyte membrane with gaskets includes a roller controller that operates the laminating roller such that the electrolyte membrane and the gasket are laminated while the protrusion is fitted in the opening of the gasket. | 01-30-2014 |
20140038068 | METHOD FOR RECOVERING PERFORMANCE OF FUEL CELL - Disclosed is a method for recovering performance of a fuel cell, which can recover the catalytic properties of a cathode in a reusable state by supplying hydrogen to the cathode of a degraded fuel cell stack for a predetermined period of time and storing the fuel cell stack for a predetermined period of time such that an oxide formed on the surface of platinum (Pt) is removed and, at the same time, the platinum is re-precipitated. | 02-06-2014 |
20140038069 | BARIUM CERATE NANOPARTICLES FOR USE IN SOLID OXIDE FUEL CELLS - A process for forming alkaline earth metal cerate nanoparticles comprises combining a stable cerium oxide aqueous colloidal dispersion with soluble alkaline earth metal salts while maintaining colloidal stability. The resulting alkaline earth metal salts may be calcined to form alkaline earth metal cerate particles having a perovskite structure. | 02-06-2014 |
20140065497 | APPARATUS FOR ELECTRONIC DEVICES WITH VIBRATORS AND FUEL CELLS - The disclosure is directed to efficiently harnessing the mechanical energy of actuators used for producing vibration alerts in portable electronic devices to control the flow of fuel and mix the fuel in devices with fuel cells. Example embodiments control the flow of fuel into a reaction area and/or mix fuel in a fuel storage area of a fuel cell assembly. Such fuel flow control and mixing may be performed passively whenever a vibration alert occurs, or may be performed actively in response to monitoring the status of the fuel cell assembly. | 03-06-2014 |
20140080014 | POWER GENERATION METHOD USING A FUEL CELL HAVING A STABILIZED CATHODE CATALYST - A method of generating electrical power includes flowing hydrogen across an anode, splitting the hydrogen into protons and electrons using a catalyst attached to the anode, directing the electrons to a circuit to produce electrical power, flowing oxygen across a cathode, splitting the oxygen molecules into oxygen atoms using a cathode catalyst, passing the protons through an electrolyte to the cathode, and combining the protons with oxygen to form water. The cathode catalyst includes a plurality of nanoparticles having terraces formed of platinum, and corner regions and edge regions formed of a second metal. | 03-20-2014 |
20140080015 | METHOD FOR MAKING ANION ELECTROLYTE MEMBRANE - In a method for making an anion electrolyte membrane, an inorganic nano-powder is uniformly dispersed in an organic solvent to form a mixture. A fluorinated poly(aryl ether) ionomer is dissolved in the mixture to form a first solution. An active component is further dissolved in the first solution to form a second solution. A crosslinking catalyst is added to the second solution to form a membrane casting solution. The membrane casting solution is coated on a substrate to form a membrane, and the coated substrate is heated. Then, the membrane is peeled from the substrate. | 03-20-2014 |
20140093792 | SOLID POLYMER ELECTROLYTE MEMBRANE AND FUEL CELL USING THE SAME - A solid polymer electrolyte membrane is provided that is inexpensive, and is excellent in the ionic conductivity characteristics, the methanol crossover characteristics and the mechanical characteristics. The solid polymer electrolyte membrane contains a block copolymer A containing a hydrophilic segment having an ion exchange group and a hydrophobic segment, and a block copolymer B containing a hydrophilic segment having an ion exchange group and a hydrophobic segment and having a smaller ion exchange capacity than the block copolymer A, and has a structure where a region A having the block copolymer A agglomerated therein is dispersed in a matrix constituted by a region B having the block copolymer B agglomerated therein, with a microscopic phase-separated structure having a period of from 10 to 100 nm being formed in the region A and the region B. | 04-03-2014 |
20140106243 | FUEL CELL - A fuel cell including a unit cell having an anode, an electrolyte membrane, and a cathode in this order, a liquid fuel accommodation portion composed of a space opening on an anode side and arranged on the anode side, for accommodating or allowing flow of liquid fuel, and a first moisture retention layer arranged between the unit cell and the liquid fuel accommodation portion is provided. This fuel cell may further include a second moisture retention layer arranged on the cathode. This fuel cell can be a direct alcohol fuel cell. For example, pure methanol or a methanol aqueous solution is adopted as the liquid fuel. | 04-17-2014 |
20140120431 | COMPOSITE POLYMER ELECTROLYTE MEMBRANE - Disclosed are composite polymeric ion exchange membranes and processes for their production and use in electrochemical cells, wherein ion exchange polymers are impregnated into non-consolidated nanowebs. | 05-01-2014 |
20140141344 | Doped Scandia Stabilized Zirconia Electrolyte Compositions - A solid oxide fuel cell (SOFC) electrolyte composition includes zirconia stabilized with scandia, and at least one of magnesia, zinc oxide, indium oxide, and gallium oxide, and optionally ceria in addition to the oxides above. | 05-22-2014 |
20140154594 | POLYMER ELECTROLYTE MEMBRANE FOR FUEL CELL AND METHOD FOR MANUFACTURING THE SAME - Disclosed are a polymer electrolyte membrane showing high ion conductivity even under the condition of low humidity and high temperature and a method for manufacturing the same. The polymer electrolyte membrane of the present invention comprises a porous substrate, a self proton conducting material dispersed in the porous substrate, and an ion conductor impregnated in the porous substrate. The self proton conducting material comprises an inorganic particle functionalized with an azole ring. | 06-05-2014 |
20140193724 | GRAVITY FEED FLOW BATTERY SYSTEM AND METHOD - A gravity feed flow battery system and method are provided. The gravity feed flow battery system includes a first battery stack including a first half-cell utilizing a liquid electrolyte, a first gravity feed system, including at least a first storage tank and a first standpipe, designed to generate a first hydrostatic pressure in the first standpipe for the liquid electrolyte in the first standpipe sufficient to force the liquid electrolyte to be fed from the first gravity feed system through the first half-cell, and a return system to return the liquid electrolyte from the first half-cell to the first gravity feed system. There may be multiple gravity feed systems, including a gravity feed system for a positive electrolyte and a gravity feed system for a negative electrolyte. The gravity feed flow battery system may have a two-tank flow battery configuration, or a four-tank flow battery configuration. | 07-10-2014 |
20140199604 | STABLE ION EXCHANGE FLUORINATED POLYMERS AND MEMBRANES OBTAINED THEREFROM - A composition comprising at least one fluorinated polymer comprising —SO | 07-17-2014 |
20140212773 | IONIC ELECTROLYTE MEMBRANE STRUCTURE METHOD FOR ITS PRODUCTION AND SOLID OXIDE FUEL CELL MAKING USE OF IONIC ELECTROLYTE MEMBRANE STRUCTURE - To provide an ionic electrolyte membrane structure that enables contact between the air pole and the fuel pole in which structure an edge face of the interface between an ion conducting layer and an ion non-conducting layer stands bare on a plane, an ionic electrolyte membrane structure which transmits ions only is made up of i) a substrate having a plurality of pores which have been made through the substrate in the thickness direction thereof and ii) a plurality of multi-layer membranes each comprising an ion conducting layer formed of an ion conductive material and an ion non-conducting layer formed of an ion non-conductive material which have alternately been formed in laminae a plurality of times on each inner wall surface of the pores of the substrate in such a way that the multi-layer membranes fill up the pores completely; the ions only being transmitted in the through direction by way of the multi-layer membranes provided on the inner wall surfaces of the pores. | 07-31-2014 |
20140272612 | FUEL CELL MECHANICAL COMPONENTS - A modular fuel cell system includes a metal base, a plurality of power modules arranged in a row on the base, a fuel processing module and a power conditioning module arranged on at least one end of the row on the base. Each of the plurality of power modules includes a separate cabinet comprising at least one fuel cell stack located in a hot box. The power modules are electrically and fluidly connected to the fuel processing and the power conditioning modules through the base. | 09-18-2014 |
20150037694 | PREPARATION METHOD OF ELECTROLYTES FOR SOLID OXIDE FUEL CELLS - The preparation method of electrolytes provided by the present invention includes a first solid oxide powder and a second solid oxide powder, both of which are prepared by using a sol-gel process and a calcination process. Each of the first and second solid oxide powders is a Perovskite-type oxide. After the first and second solid oxide powders are readily mixed, they are compressed into a pellet and then sintered to prepare the afore-mentioned electrolytes for SOFC. It is found in the present invention that by mixing and compressing different solid oxide powders, the solid oxide powder having smaller particle size can fill into the gaps of the other solid oxide powder. After the pellet is sintered, the density of the product is significantly improved. | 02-05-2015 |
20150072252 | FUEL CELL MEMBRANE - The fuel cell membrane is a polymer electrolyte (or polyelectrolyte) membrane formed from a blend of sulfonated poly(ether ether ketone) (SPEEK) and phosphonated polysulfone in the ester form (PPSU-E), where the sulfonated poly(ether ether ketone) and the phosphonated polysulfone each form about 50 wt % of the polyelectrolyte membrane. The polyelectrolyte membrane is made by dissolving a mixture of SPEEK and PPSU in the ester form (PPSU-E) in dimethylacetamide (DMAc) at room temperature to form a solution. The SPEEK/PPSU-E mixture has a concentration of between about 10 wt % and about 15 wt % in the solution. The solution is then stirred and left to release air bubbles therefrom. The DMAc is then evaporated from the solution, leaving the resultant polyelectrolyte membrane, which is then washed and dried. | 03-12-2015 |
20150086885 | COMPOSITE HAVING ION EXCHANGE FUNCTION AND PREPARATION METHOD AND USE THEREOF - A preparation method of composite materials having ion exchange function is provided. The method comprises the following steps: adding a trace of strong protonic acid and/or Lewis acid as a catalyst into the material during compounding, to allow nitrile groups of at least one nitrile group-containing ion exchange resin and nitrile groups of functional monomers grafted on the porous fluoropolymer membrane to form a triazine ring crosslinked structure. | 03-26-2015 |
20150140457 | SOFC HOT BOX COMPONENTS - Various hot box fuel cell system components are provided, such as heat exchangers, steam generator and other components. | 05-21-2015 |
20150364771 | COMPOSITE MEMBRANE FOR POLYMER ELECTROLYTE MEMBRANE FUEL CELL - The present invention relates generally to conducting polymer composites for use in electrochemical applications and electrolysis applications, and methods of making the same. A composite material is provided that includes a conducting polymer; and a silsesquioxane compound. The composite material is used to prepare ion conducting membranes and membrane electrode assemblies (MEA). | 12-17-2015 |
20160064749 | FLAME STABILIZED MIXER-EDUCTOR-OXIDIZER FOR HIGH TEMPERATURE FUEL CELLS - A mixer/eductor assembly for use with a fuel cell stack having an anode-side and a cathode-side, said mixer/eductor assembly mixing and at least partially combusting anode exhaust gas output from the anode-side and an oxidant supply gas, said mixer/eductor assembly comprising: a first area receiving and mixing a first portion of the anode exhaust gas and a first portion of the oxidant supply gas to form a first mixture, the first area being configured so as to initiate a combustion reaction in the first mixture; a second area coupled with the first area, the second area receiving to and mixing a second portion of the anode exhaust gas and a second portion of the oxidant supply gas to form a second mixture, wherein: the first mixture has a predetermined oxidant to fuel ratio smaller than the oxidant to fuel ratio of the second mixture; and the first area provides an ignition source to promote continuous combustion of the second mixture in the second area. | 03-03-2016 |
20160079623 | METHOD FOR PREPARING SOLID ELECTROLYTE FOR SOLID OXIDE FUEL CELL, AND METHOD FOR PREPARING UNIT CELL - Provided are a method for preparing a solid electrolyte material for a cheap solid oxide fuel cell capable of implementing high ion conductivity at a medium-low temperature of 800° C. or lower, and a method for preparing a unit cell of a solid oxide fuel cell by using the same. The method for preparing a solid electrolyte material for a solid oxide fuel cell comprises: providing a starting material comprising ytterbium nitrate [Yb(NO | 03-17-2016 |
20160133978 | METHOD OF PRODUCING DISPERSION LIQUID OF GELATINOUS ELECTROLYTE - A method of producing a dispersion liquid of a gelatinous electrolyte includes a water content reduction process of concentrating an aqueous dispersion liquid of an electrolyte at a temperature of 50° C. or less and reducing a water content in a concentrate of the electrolyte to 5% by mass or less based on the total mass of the concentrate of the electrolyte, and an alcohol addition process of adding an alcohol to the concentrate of the electrolyte obtained in the water content reduction process to form the dispersion liquid of the gelatinous electrolyte. | 05-12-2016 |
20160141696 | ELECTROLYTE SOLUTION AND METHOD FOR PRODUCING SAME, CONTINUOUSLY DISSOLVING FACILITY, ELECTROLYTE MEMBRANE, ELECTRODE CATALYST LAYER, MEMBRANE ELECTRODE ASSEMBLY AND FUEL CELL - A method for producing an electrolyte solution including a supply step of continuously supplying an emulsion based a polymer electrolyte and a solvent into a dissolution facility, and a dissolution step of continuously dissolving the polymer electrolyte in the solvent by heating the interior of the dissolution facility to obtain the electrolyte solution. | 05-19-2016 |
20160156052 | PROCESS FOR PREPARING AN ION-EXCHANGE COMPOSITE MATERIAL COMPRISING A POLYMER MATRIX AND A FILLER CONSISTING OF ION-EXCHANGE PARTICLES | 06-02-2016 |
20160156057 | ELECTROLYTE MEMBRANE | 06-02-2016 |
20160254560 | ION CONDUCTING HYBRID MEMBRANES | 09-01-2016 |
20180026292 | MANUFACTURING METHOD OF SINTERED BODY FOR ELECTROLYTE AND ELECTROLYTE FOR FUEL CELL USING THE SAME | 01-25-2018 |