Entries |
Document | Title | Date |
20110027671 | FUEL CELLS - 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 catholyte solution comprising a modified ferrocene species comprising at least one bridging unit between the cyclopentadienyl rings, the modified ferrocene species 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. | 02-03-2011 |
20110027672 | WATER RECLAMATION IN A MICROPOWER GENERATOR - A waterless power generator, particularly a waterless electrical power generator and a passively controlled process for producing electricity with a fuel cell using stoichiometric amounts of a solid hydrogen fuel and byproduct water vapor produced by the fuel cell to generate hydrogen gas. A fuel cell reaction of hydrogen and oxygen produces electrical energy as well as by-product water which diffuses back into the power generator as water vapor to react with the hydrogen fuel, producing more hydrogen gas. This generated hydrogen gas is then used as a fuel which allows the fuel cell to generate additional electrical power and additional water. The process runs without any attached water source or water supply other than the water which is produced by the fuel cells themselves. | 02-03-2011 |
20110039170 | FUEL CELLS - The present invention concerns a fuel cell comprising a cathode in a cathode region of the cell and an anode in an anode region of the cell, the cathode being separated from the anode by an ion selective polymer electrolyte membrane, the cathode region of the cell being supplied in use thereof with an oxidant and a liquid low molecular weight fuel wherein at least some of the liquid low molecular weight fuel in use crosses the polymer electrolyte membrane to supply the anode region of the cell with liquid low molecular weight fuel, the cell being provided with means for generating an electrical circuit between the cathode and the anode. | 02-17-2011 |
20110039171 | Energy storage system - A closed loop energy storage system configured with a hydrogen tank, an oxygen tank, a fuel cell stack and an electrolyzer. A heat exchanger freeze-dries the hydrogen and oxygen prior to their storage in their respective tanks. The heat exchanger also uses excess fuel cell heat to preheat streams of hydrogen and oxygen coming from the tanks. Phase separators serve both to separate water from hydrogen and oxygen, and to store the water. A thermal management system encloses all the system components except the tanks. An airfoil-shaped shell covers the system, and the larger of the two tanks extends substantially across the shell at its point of greatest camber thickness. The tanks are composed of polymer liners integral with composite shells. | 02-17-2011 |
20110111314 | SYSTEMS AND PROCESSES FOR OPERATING FUEL CELL SYSTEMS - Processes and systems for operating molten carbonate fuel cell systems are described herein. A process for operating a molten carbonate fuel cell system includes providing a hydrogen-containing stream comprising molecular hydrogen to an anode portion of a molten carbonate fuel cell; controlling a flow rate of the hydrogen-containing stream to the anode such that molecular hydrogen utilization in the anode is less than 50%; mixing anode exhaust comprising molecular hydrogen from the molten carbonate fuel cell with a hydrocarbon stream comprising hydrocarbons, contacting at least a portion of the mixture of anode exhaust and the hydrocarbon stream with a catalyst to produce a steam reforming feed; separating at least a portion of molecular hydrogen from the steam reforming feed; and providing at least a portion of the separated molecular hydrogen to the molten carbonate fuel cell anode. | 05-12-2011 |
20110305961 | PROCESS FOR TREATING A FLUE GAS - A process for treating a flue gas is provided. The process comprises burning an amount of elemental magnesium in the flue gas, optionally to produce magnesium oxide and elemental carbon. A process for regenerating elemental magnesium from magnesium oxide is also provided, in addition to processes for producing energy from the elemental carbon. | 12-15-2011 |
20120015265 | MODULAR REGENERATIVE FUEL CELL SYSTEM - A modular, regenerative fuel cell system that includes a plurality of dedicated or reversible electrochemical cell stack modules, where each such module is devoid of major fluid systems, is provided. The inventive system allows a user to specifically and effectively tailor the system to the demands of a particular application. If additional electrolysis capability and/or additional power are needed, only electrolysis cell stack modules and/or fuel cell stack modules are added to the system. The use of unnecessary or duplicative support equipment is avoided thereby rendering this system more cost effective and efficient. | 01-19-2012 |
20120094198 | Gasifier Having Integrated Fuel Cell Power Generation System - A direct carbonaceous material to power generation system integrates one or more solid oxide fuel cells (SOFC) into a fluidized bed gasifier. The fuel cell anode is in direct contact with bed material so that the H | 04-19-2012 |
20120156577 | METHODS FOR FORMING ELECTRODES FOR WATER ELECTROLYSIS AND OTHER ELECTROCHEMICAL TECHNIQUES - Methods of forming electrodes for electrolysis of water and other electrochemical techniques are provided. In some embodiments, the electrode comprising a current collector and a catalytic material. The method of forming the electrode may comprising immersing a current collector comprising a metallic species in an oxidation state of zero in a solution comprising anionic species, and causing a catalytic material to form on the current collector by application of a voltage to the current collector, wherein the catalytic material comprises metallic species in an oxidation state greater than zero and the anionic species. | 06-21-2012 |
20120295171 | Fuel Cell System - Disclosed is a fuel cell system ( | 11-22-2012 |
20120301801 | SYSTEMS AND METHODS FOR CONVERTING RECEIVED STORED ENERGY - A system and method for converting, receiving, and/or storing energy to, amongst other things, (i) generate hydrogen and chlorine gas, and sodium hydroxide using, for example, a chlor-alakali processing apparatus; (ii) generate hydrochloric Acid (HCl) using, for example, a novel HCl fuel cell; (iii) utilize HCl as a catalyst to hydrolyze cellulosic material into basic sugar water and HCl solution; (iv) utilize an acid/base neutralization combined with electrolysis as a precursor to separating HCl from a sugar water and HCl solution; (v) convert HCl to hydrogen and chlorine gas; (vi) provide a method by which HCl and heated water can be used in the transformation of cellulosic materials into sugars for fermentation into ethanol and/or butanol (vii) provide a method by which acidic waste and additional biomass can be processed through a bio-reactor into methane, fatty acids, and fertilizer; and/or (viii) provide for the desalinization of salt water/brine. | 11-29-2012 |
20120308907 | CATALYSTS AND ELECTRODES FOR FUEL CELLS - A catalyst composition comprising at least one precious metal, wherein the catalyst composition is capable of catalyzing, in the presence of a halogen ion or a mixture of halogen ions, a charging reaction and a discharging reaction in a regenerative fuel cell. This disclosure relates to electrodes comprising those catalysts that are useful in fuel cells. The catalysts are active towards hydrogen evolution reaction (HER) and hydrogen oxidation reaction (HOR) and porous electrodes are made in a process designed to control their porosity. The catalysts and electrodes are employed in regenerative fuel cells comprising hydrogen and halogen acid or mixture of halogen acids. The catalysts are particularly useful in hydrogen/bromine reduction/oxidation reactions. The catalysts exhibit highly acceptable life and performance. | 12-06-2012 |
20130034784 | BATTERY AND METHOD FOR OPERATING A BATTERY - A battery has a cathode and an anode, between which a solid electrolyte is disposed. The battery has a process gas feed on the cathode side. The battery is characterized in that an electrically conductive supporting body is disposed on the cathode surface. At least one chamber connected to the anode has a porous, oxidizable material and a redox pair that is gaseous at an operating temperature of the battery. | 02-07-2013 |
20130122383 | Optimizing Reactions in Fuel Cells and Electrochemical Reactions - This invention relates to novel methods for affecting, controlling and/or directing various reactions and/or reaction pathways or systems by exposing one or more components in a fuel cell reaction system to at least one spectral energy pattern. In a first aspect of the invention, at least one spectral energy pattern can be applied to a fuel cell reaction system. In a second aspect of the invention, at least one spectral energy conditioning pattern can be applied to a conditioning reaction system. The spectral energy conditioning pattern can, for example, be applied at a separate location from the reaction vessel (e.g., in a conditioning reaction vessel) or can be applied in (or to) the reaction vessel, but prior to other reaction system participants being introduced into the reaction vessel. | 05-16-2013 |
20130157155 | Fuel Cell Including Cathode Electrode Using Iron Redox Couple - Provided is a fuel cell including an anode electrode, a cathode electrode, and an electrolyte/ion exchange membrane between the anode electrode and the cathode electrode. The cathode electrode uses an iron redox couple as an oxidizer. The iron redox couple is regenerated by an oxidizing substance. The fuel cell does not need a noble metal catalyst, is thus economical in manufacturing costs, and has high power density, thereby improving energy conversion efficiency. Furthermore, the fuel cell is capable of decomposing an oxidizing substance, such as NO | 06-20-2013 |
20130260270 | POWER GENERATION VIA COMBINED FUEL THERMOLYSIS AND HYDROLYSIS - Devices and methods for power generation via combined fuel thermolysis and hydrolysis are described herein. For example, one or more embodiments include a housing that includes an air intake, a fuel cartridge adapted to be removably placed within the housing, wherein the fuel cartridge includes a heating element configured to heat a fuel located in the fuel cartridge to cause a release of hydrogen from the fuel, an air conduit disposed about the fuel cartridge in the housing, wherein the air conduit includes a fuel cell portion and a water vapor permeable, hydrogen impermeable membrane portion, and the air conduit is configured to direct oxygen from the air intake to the fuel cell portion and to carry water vapor generated by the fuel cell portion past the membrane portion such that water vapor passes through the membrane portion and causes release of hydrogen from the fuel cartridge. | 10-03-2013 |
20140080019 | MONOCLINIC Sr1-xAxSi1-yGeyO3-0.5x, WHEREIN A IS K or Na, OXIDE ION CONDUCTOR - The disclosure provides a material with the general formula Sr | 03-20-2014 |
20140080020 | SOLID OXIDE FUEL CELL - A power generator includes a hydrogen generator that generates hydrogen in response to water vapor. A solid oxide fuel cell is coupled to the hydrogen generator for receiving hydrogen and is coupled to a source of oxygen. | 03-20-2014 |
20140093798 | 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 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. | 04-03-2014 |
20140106247 | Energy Load Management System - A system and method for controlling a fuel cell system. An anode tail gas oxidizer (ATO) receives air and fuel exhaust streams from one or more fuel cell stacks of the fuel cell system. The one or more fuel cell stacks provide current to one or more loads. An ATO temperature signal is used to control at least one of a fuel inlet flow to the one or more fuel cell stacks or the current provided to the one or more loads. | 04-17-2014 |
20140162154 | PLASMA-CATALYZED FUEL REFORMER SYSTEM - A thermally integrated system for producing electricity from a feedstock fuel is disclosed. The system utilizes a reformer that includes a plasma zone to receive a pre-heated mixture of reactants and ionize the reactants by applying an electrical potential thereto. A first thermally conductive surface surrounds the plasma zone and is configured to transfer heat from an external heat source into the plasma zone. The reformer further includes a reaction zone to chemically transform the ionized reactants into synthesis gas comprising hydrogen and carbon monoxide. A second thermally conductive surface surrounds the reaction zone and is configured to transfer heat from the external heat source into the reaction zone. The first thermally conductive surface and second thermally conductive surface are both directly exposed to the external heat source. A corresponding method and apparatus are also disclosed herein. | 06-12-2014 |
20140272637 | Integration of Molten Carbonate Fuel Cells in Fischer-Tropsch Synthesis - In various aspects, systems and methods are provided for integration of molten carbonate fuel cells with a Fischer-Tropsch synthesis process. The molten carbonate fuel cells can be integrated with a Fischer-Tropsch synthesis process in various manners, including providing synthesis gas for use in producing hydrocarbonaceous carbons. Additionally, integration of molten carbonate fuel cells with a Fischer-Tropsch synthesis process can facilitate further processing of vent streams or secondary product streams generated during the synthesis process. | 09-18-2014 |
20140272638 | Integration of Molten Carbonate Fuel Cells in Methanol Synthesis - In various aspects, systems and methods are provided for integration of molten carbonate fuel cells with a methanol synthesis process. The molten carbonate fuel cells can be integrated with a methanol synthesis process in various manners, including providing synthesis gas for use in producing methanol. Additionally, integration of molten carbonate fuel cells with a methanol synthesis process can facilitate further processing of vent streams or secondary product streams generated during methanol synthesis. | 09-18-2014 |
20140302412 | Arrangement and Method for Supplying Energy to Buildings - The present application relates to an arrangement for supplying energy to isolated buildings. The arrangement comprises at least one energy generating installation for providing an electrical current, at least one electrolyser for producing hydrogen from water using the electrical current from the energy generating installation, at least one first chemical reactor for at least partially hydrogenating at least one substrate with an extended π-conjugated system using the hydrogen formed in the electrolyser, at least one storage tank for storing the substrate hydrogenated at least partially in the first chemical reactor, at least one second chemical reactor for at least partially dehydrogenating the at least partially hydrogenated substrate which was produced in the first chemical reactor and stored in the storage tank with the release of hydrogen, and at least one fuel cell for the oxidation of the hydrogen release in the second chemical reactor with the release of energy. | 10-09-2014 |
20150132674 | FUEL CELL MODULE - A fuel cell module includes a first area where an exhaust gas combustor and a start-up combustor are provided, an annular second area around the first area where a heat exchanger is provided, an annular third area around the second area where a reformer is provided, an annular fourth area around the third area where an evaporator is provided. The heat exchanger includes heat exchange pipes connected to an oxygen-containing gas supply chamber and an oxygen-containing gas discharge chamber. A first circumscribed non-uniform flow suppression plate is provided along a minimum circumscribed circle which contacts outer surfaces of the heat exchange pipes. | 05-14-2015 |
20150140459 | FUEL CELL SYSTEM AND METHOD FOR CONTROLLING FUEL CELL SYSTEM - The cooling capacity of a first heat exchanger for cooling a reformed gas introduced into an inlet of a circulation pump is increased as an output of a fuel cell increases. With this configuration, an inlet temperature of the circulation pump is relatively high during low power generation and decreases as the generation power increases, and a volumetric flow rate during high power generation in which a large amount of reformed gas is required can be decreased relatively. As the result, a dynamic range required for the circulation pump can be made small. Furthermore, water condensation in the inlet of the circulation pump can be prevented during low power generation. | 05-21-2015 |
20150311558 | Electricity Generation - A method for generating electricity comprising the steps: (A) passing a concentrated ionic solution through a first pathway in a reverse electrodialysis unit comprising a membrane stack having electrodes and alternating cation and anion exchange membranes; and (B) passing a dilute ionic solution through a second pathway in said reverse electrodialysis unit, whereby solute from the concentrated solution in the first pathway passes through the membranes to the dilute solution in the second pathway, thereby generating electricity; wherein the concentration of solute in the dilute ionic solution as it enters the reverse electrodialysis unit is at least 0.03 mol/l. | 10-29-2015 |
20150315017 | REGENERATION OF SPENT HYDRIDE FUEL - A process for regenerating spent hydride fuel comprises the steps of ( | 11-05-2015 |
20150357667 | NITRIC ACID REGENERATION FUEL CELL SYSTEMS - Methods and systems for regenerating a fuel cell are disclosed, comprising sparging a catholyte liquid with a gaseous oxygen-containing flow stream. In addition, the gaseous byproducts in the catholyte can be collected and then converted to liquid forms for easy disposal. In some embodiments, the regeneration process comprises intermittently regenerating an oxidant flow stream, for example, based on detected conditions. In some embodiments, the regeneration process comprises switching between different modes of oxidant regeneration, for example, based on detected conditions. | 12-10-2015 |