REGISTER now for FREE 
|
FREE patent keyword monitoring and additional FREE benefits. REGISTER now for FREE
|
|
|
Chemistry: Electrical Current Producing Apparatus, Product, And Process > Fuel Cell, Subcombination Thereof Or Methods Of Operating > Process Of Operating > Generating, Regenerating Or Recycling Reactant Generating, Regenerating Or Recycling ReactantGenerating, Regenerating Or Recycling Reactant patent applications listed are from June 2005 to current and include Date, Patent Application Number, Patent Title, Patent Abstract summary and are linked to the corresponding patent application page.06/07/07 - 20070128479 - High efficiency fuel cell system A technique includes operating a fuel cell, which produces an effluent flow. The technique includes routing the effluent flow through an electrochemical pump to extract fuel from the effluent flow to produce a first feedback flow. The technique includes using the effluent flow to produce a second feedback flow separate ... 06/07/07 - 20070128478 - High efficiency fuel cell system A technique includes operating a fuel cell, which produces an effluent flow. The technique includes routing the effluent flow through an electrochemical pump to extract fuel from the effluent flow and providing the extracted fuel to the fuel cell. ... 05/31/07 - 20070122666 - Method of operating fuel cell system and fuel cell system In a fuel cell power generation system having a reforming section 5 for reforming a raw material fuel m to produce reformate r; a combustion section 4 for burning the raw material fuel to heat the reforming section; carbon monoxide reduction section 6 and 7 for reducing the content of ... 05/17/07 - 20070111051 - Thermocatalytic process for co2-free production of hydrogen and carbon from hydrocarbons This invention relates to a novel process for sustainable CO2-free production of hydrogen and carbon by thermocatalytic decomposition (or dissociation, pyrolysis, cracking) of hydrocarbon fuels over carbon-based catalysts in the absence of air and/or water. The process is applicable to any hydrocarbon fuel, including sulfurous fuels. Combination of a catalytic ... 05/17/07 - 20070111050 - Fuel-cell system and method of controlling fuel cell A fuel-cell system is provided, which includes a fuel cell, a reactive-gas supply unit and a control unit. The reactive-gas supply unit supplies the reactive gases to the fuel cell. The control unit includes an average stoichiometric flow-ratio calculation part and a reactive-gas reduction part. The average stoichiometric flow-ratio calculation ... 05/17/07 - 20070111049 - Fuel cell unit According to one embodiment, a fuel cell unit is provided with a housing, a circulation section which is housed in the housing and in which a fluid is circulated, and a valve which is provided for the circulation section and releases a pressure more than predetermined value produced in the ... 05/17/07 - 20070111048 - Conducting ceramics for electrochemical systems The present invention generally relates to conducting materials such as mixed ionically and electrically conducting materials. A variety of materials, material compositions, materials with advantageous ratios of ionically and electrically conducting components, structures including such materials, and the like are provided in accordance with the invention. In one aspect, the ... 05/03/07 - 20070099038 - Process and system for converting carbonaceous feedstocks into energy without greenhouse gas emissions The process of the invention converts carbonaceous feedstock such as coal, hydrocarbon oil, natural gas, petroleum coke, oil shale, carbonaceous-containing waste oil, carbonaceous-containing medical waste, carbonaceous-containing military waste, carbonaceous-containing industrial waste, carbonaceous-containing medical waste, carbonaceous-containing sewage sludge and municipal solid waste, carbonaceous-containing agricultural waste, carbonaceous-containing biomass, biological and biochemical waste, ... 05/03/07 - 20070099037 - Cascaded stack with gas flow recycle in the first stage A fuel cell system including a humidification system is described. The humidification system employs a recycling system that recycles relatively humid gas exhausted from a multistage fuel cell stack, either on the anode and/or cathode side, and sends this relatively humid gas back to be combined with relatively dry supply ... 03/29/07 - 20070072017 - Fuel processing method and system A fuel processing method for a solid oxide fuel cell stack comprising the steps of: (a) supplying a feed stream comprising ethanol to a methanation reactor containing catalytic material for the methanation of ethanol; (b) processing the feed stream in the methanation reactor under adiabatic conditions to produce an effluent ... 03/22/07 - 20070065687 - Method and apparatus for light internal reforming in a solid oxide fuel cell system In an SOFC stack system, wherein a CPOx reformer supplies reformate to the stack, a portion of the anode tail gas is recycled directly into the anode inlet of the stack, such that the fuel reaching the anodes is a mixture of fresh reformate and recycled anode tail gas and ... 03/22/07 - 20070065686 - Direct carbon fueled solid oxide fuel cell or high temperature battery A direct carbon fuel electrochemical device and method for generating electricity. The apparatus includes a solid oxide electrolyte having an anode side and a cathode side. Carbon and at least one metal oxide are provided to the anode side for reaction at the anode and air is provided to the ... 03/15/07 - 20070059567 - Complex oil-in-water-in-oil (o/w/o) emulsion compositions for fuel cell reformer start-up The present invention relates to emulsion compositions for starting a reformer of a fuel cell system. In particular, the invention includes oil-in-water-in-oil (O/W/O) emulsion compositions comprising hydrocarbon fuel, water, alkoxylated alkyl alcohol, alkoxylated alkyl ester and alkyl polyglycerol surfactants for starting a reformer of a fuel cell system. ... 03/01/07 - 20070048563 - System for sono-catalytic production of hydrogen A device for producing hydrogen includes a container housing a water-based solution and a metal constituent. A generator ultrasonically irradiates the water-based solution in the presence of the metal constituent to produce hydrogen gas. ... 03/01/07 - 20070048562 - Method of activating carbon monoxide removing catalyst, carbon monoxide removing catalyst, method of removing carbon monoxide and method of operating fuel cell system A carbon monoxide removing catalyst such as a ruthenium supporting catalyst is provided for removing, through oxidation thereof, carbon monoxide from an alcohol reformed gas containing hydrogen and carbon monoxide to be supplied to a fuel cell. For its activation, the catalyst is caused to contact an inactive gas or ... 02/22/07 - 20070042237 - Mixed reactant fuel cell system with vapor recovery and method of recovering vapor The invention is a mixed-reactant fuel cell system with vapor recovery and methods of recovering vapor and generating electrochemical power. ... 01/25/07 - 20070020492 - Fossil fuel combined cycle power generation method A method for converting fuel energy to electricity includes the steps of converting a higher molecular weight gas into at least one mixed gas stream of lower average molecular weight including at least a first lower molecular weight gas and a second gas, the first and second gases being different ... 12/21/06 - 20060286416 - Power system with hydrogen on demand The present invention is a power system using a reformer/fuel cell arrangement as the primary source of DC power. The reformer is operated on either natural gas or propane. A backup source of power consumes hydrogen which is diffused from a solid medium. On an as-needed basis, the medium is ... 11/02/06 - 20060246328 - Modular cell site The present invention is a modular power system using a fuel cell as a back-up power supply. The system includes lithium-metal-polymer (LMP) batteries to bridge and also for backup power if necessary. The entire system is preassembled ready for use so that it is available to a new or expanding ... 11/02/06 - 20060246327 - Method for maintaining an aqueous solution of sodium borate in a liquid form at room temperature A method of keeping an aqueous solution of sodium borate liquid at a storage temperature, in which method, in order to pass said solution from an initial temperature to the storage temperature, said aqueous solution of sodium borate is subjected to heat treatment comprising at least one cooling or heating ... 09/21/06 - 20060210844 - Fuel tank and cap device thereof A fuel tank and a cap device for the fuel tank. The fuel tank is connected to a fuel cell and includes a tank body having a fuel opening and a pin hole for maintaining an inside pressure, a floater positioned on a surface of the fuel stored in the ... 09/14/06 - 20060204798 - Sorfc power and oxygen generation method and system A solid oxide regenerative fuel cell system is used to supply power in a fuel cell mode and to generate metabolic oxygen and a hydrocarbon fuel reserve in an electrolysis mode. The system may also be used as a secondary power source or for energy peak shaving applications. ... 09/07/06 - 20060199051 - Combined heat and power system There is described a combined heat and power, or cogeneration, system combining a fuel cell for generating electrical power with a thermal power source, the system comprising: a fuel processor for converting a hydrocarbon fuel into hydrogen in an output stream, the hydrogen rich output stream containing a low content ... 08/24/06 - 20060188760 - Proton conducting solid oxide fuel cell systems having temperature swing reforming The present invention provides an improvement in the process of producing energy from fuel cells. A cyclic reforming process, referred to as temperature swing reforming, provides an efficient means for producing a hydrogen containing synthesis gas for use in proton conducting solid oxide fuel cell applications. In one embodiment, at ... 07/27/06 - 20060166055 - Method for operating fuel cell In a method for operating a fuel cell including an electrolyte membrane sandwiched by a fuel electrode and an oxidizing agent electrode, the method includes a hydrogen feedback process either before starting operation of the fuel cell or after stopping operation of the fuel cell. The hydrogen feedback process includes ... 07/27/06 - 20060166054 - Fuel cell system A process for producing electricity in a fuel cell which comprises: a) pre-reforming a higher carbon (C2+) hydro-carbon fuel in a pre-reformer under conditions effective to achieve substantially complete conversion of higher carbon (C2+) hydro-carbons to produce a pre-reformed fuel stream; b) subjecting the pre-reformed fuel stream to methanation under ... 07/13/06 - 20060154121 - Power source system and control method thereof A power source system comprises: a chemical reaction unit producing a gas for power generation; a generator unit reacting a part of the gas for power generation to generate power, and ejecting unreacted part in the gas for power generation as an offgas; a heating apparatus provided in the chemical ... 06/22/06 - 20060134474 - Fuel cell humidification system The present invention provides a fuel cell humidification system comprising features of a cathode humidification system, an anode humidity retention system and a countercurrent flow arrangement of the fuel and air streams in the fuel cell, which performs efficiently and is configured particularly for small fuel cells. The present invention ... 06/15/06 - 20060127713 - Temperature zones in a solid oxide fuel cell auxiliary power unit A method for fuel cell system thermal management includes: maintaining a first zone at a first selected temperature range, maintaining a second zone at a second selected temperature range, and maintaining a third zone at a third selected temperature range. The second zone is in thermal communication with a first ... 06/15/06 - 20060127712 - Fuel cell start-up method, fuel cell system and vehicle equipped with same The invention relates to a fuel cell start-up method, said fuel cell comprising numerous cells which are supplied by a reformer (10). According to the invention, when the reformer is cold, reformates are supplied to a first sub-assembly (12) of cells of the fuel cell and, when the reformer is ... 05/04/06 - 20060093879 - Procedure for starting up a fuel cell system having an anode exhaust recycle loop A procedure for starting up a fuel cell system that is disconnected from its primary load and that has air in both its cathode and anode flow fields includes a) connecting an auxiliary resistive load across the cell to reduce the cell voltage; b) initiating a recirculation of the anode ... 04/20/06 - 20060083964 - Energy conversion system as well as reformer device and fuel cell device therefore An energy conversion system is provided having a reformer device and a fuel cell device which is arranged behind the reformer device, the reformer device has at least one fuel feeding pipe and one air feeding pipe. The reformer device includes a reformer, wherein a reformate heat exchanger is arranged ... 03/30/06 - 20060068245 - Rechargeable fuel cell module A method, system, and apparatus are disclosed. In one embodiment the method comprises capturing at least a portion of a reaction product of an operating fuel cell and converting at least a portion of the captured reaction product by utilizing an external source of electricity to create fuel that is ... 03/23/06 - 20060063047 - Full cell power plant used as reformate generator A method for operating a fuel cell power plant to provide end-use electricity, end-use heat and end-use reformate includes the steps of providing a fuel cell power plant that consumes reformate to provide electricity and heat, said fuel cell power plant having a nominal reformate flow rate and including a ... 03/23/06 - 20060063046 - Clean power system One aspect of the invention relates to a clean power generation system in which an internal combustion engine is operated to produce shaft power and an exhaust stream. The exhaust stream is processed by a fuel cell. Fluctuations in power demand are met, at least in part, by increasing or ... 03/02/06 - 20060046109 - Power generation system of fuel cell and control method thereof A fuel cell power generation system of the invention includes a hydrogen supply unit for reforming hydrocarbon fuel to generate reformed gas including hydrogen or generating reaction gas including the hydrogen from a hydrogen material, an oxygen supply unit, a fuel cell for receiving the hydrogen from the hydrogen supply ... 03/02/06 - 20060046108 - Method and apparatus for recirculating unused fuel in fuel cells Unused fuel in a fuel cell is recirculated in the anode loop and combined with fresh fuel using an electromagnetically driven pump. The pump includes a magnetic rotor mounted inside a conduit of nonmagnetic material that recirculates the fuel, and a plurality of electric stator coils disposed around the outside ... 02/02/06 - 20060024539 - Catalytic method to remove co and utilize its energy content in co-containing streams Disclosed are a reactor and a corresponding method for producing electrical energy using a fuel cell by selectively oxidizing CO at room temperature using polyoxometalate compounds and transition metal compounds over metal-containing catalysts, thereby eliminating the water-gas shift reaction and the need to transport and vaporize liquid water in the ... 02/02/06 - 20060024538 - Integrated plasma fuel cell process A method for efficiently producing energy, carbon, carbon monoxide, synthetic carbonaceous liquid and gaseous fuels and hydrogen from fossil or biomass fuels with minimal carbon dioxide emissions. ... 01/26/06 - 20060019134 - Gas supplying system and gas supplying method A gas supplying system for fuel cell includes a reformer generating a reformed gas by reforming a mixed raw material including a fuel and a first water, a piping network distributing the reformed gas to fuel cell systems each of which is installed in different rooms or buildings, a drain ... 01/26/06 - 20060019133 - Conversion of raw carbonaceous fuels Disclosed herein are three configurations for an electrochemical cell to generate electric power from the reaction of oxygen or air with porous plates or particulates of carbon, arranged such that waste heat from said electrochemical cells is allowed to flow upwards through a storage chamber or port containing raw carbonaceous ... 01/19/06 - 20060014060 - Fuel cell characteristic recovery method and apparatus A characteristic recovery apparatus is provided with a DMFC having anode and cathode electrodes; anode-side and cathode-side separators for feeding the anode and cathode electrodes with pure water or a solution and an oxygen-containing gas, respectively; a voltage-applying means for forcing current to flow between the electrodes in the same ... 01/12/06 - 20060008685 - Image forming apparatus and image forming method using the same The present invention provides an image forming apparatus, supplied from a commercial power supply and including a fuel cell, comprising: a fuel producing device for the fuel cell, in which the fuel producing device produces fuel for the fuel cell making use of the commercial power supply. This image forming ... 01/05/06 - 20060003201 - Method of operating a fuel cell system with integrated feedback control A recirculating reagent fuel-cell includes an ion-exchange membrane interposed between an anode and cathode anode to form a membrane/electrode assembly (MEA), the MEA interposed between a fuel gas diffusion layer and an air (oxidant gas) diffusion layer. An air and fuel flow network are provided having an input portion for ... 12/08/05 - 20050271912 - Fuel processing method and system A fuel processing method for a solid oxide fuel cell stack comprising the steps of: (a) supplying a feed stream comprising methanol and/or dimethyl ether to a methanation reactor containing catalytic material for the methanation of methanol and/or dimethyl ether; (b) processing the feed stream in the methanation reactor under ... 12/01/05 - 20050266281 - Apparatus and method for in situ production of fuel for a fuel cell Fuel cell fuel supplies having single and multiple compartments for storing and containing fuel cell fuel precursor reagents. These fuel supplies allow storage and packaging of precursors for in situ production and use of fuel cell fuel. A method for making fuel cell fuel and a fuel cell system is ... 11/10/05 - 20050249990 - Fuel cell minimum fuel recycle with maximum fuel utilization Recycle fuel gas is provided (36) to an impeller (34, 34a) for application to the input (24) of the anode flow fields of a fuel cell stack (25). The impeller may be an ejector (34) having its primary input (33) connected to a source (11) of hydrogen and its secondary ... 11/03/05 - 20050244682 - Thermally integrated internal reforming fuel cells A bipolar fuel cell stack is provided, along with a method for two-stage internal reforming in fuel cells, in which electric power can be generated from the reaction of hydrocarbon fuel with oxidant gases in the fuel cells. The fuel cell stack can include two or more electrochemical fuel cells ... 11/03/05 - 20050244681 - Method and system for controlling fluid flow in a fuel processing system Fuel processing systems, which reform a hydrocarbon fuel to produce hydrogen suitable for use in a fuel cell, have multiple air inlets for various process steps. Controls and feedback loops are correspondingly complex. Controlling the multiple airflows to a pressurized fuel processor using a single onboard compressor and a number ... 09/08/05 - 20050196652 - Apparatus and method for high efficiency operation of a high temperature fuel cell system Apparatus and method for operating a fuel cell system including a hydrocarbon catalytic reformer and close-coupled fuel cell stack by recycling anode syngas into the reformer in a range between 60% and 95% of the total syngas. At equilibrium conditions, oxygen required for reforming of hydrocarbon fuel is derived from ... 08/25/05 - 20050186455 - Micro fuel cell system start up and shut down systems and methods Described herein are fuel cell systems and methods of using fuel cell systems. The systems include a fuel cell that generates electrical energy using hydrogen and a fuel processor that produces hydrogen from a fuel source. The fuel processor includes a reformer and a burner that heats the reformer. One ... 08/18/05 - 20050181248 - Integrated fuel cell system The invented system includes a fuel-cell system comprising a fuel cell that produces electrical power from air (oxygen) and hydrogen, and a fuel processor that produces hydrogen from a variety of feedstocks. One such fuel processor is a steam reformer which produces purified hydrogen from a carbon-containing feedstock and water. ... 08/18/05 - 20050181247 - Fuel cell system A method for the thermal management of a fuel cell, which method comprises: processing a fuel supply stream comprising hydrogen, steam, at least one carbon oxide and optionally methane using a methanator to produce a fuel cell supply stream comprising a controlled concentration of methane; and reforming within the fuel ... 07/28/05 - 20050164051 - High temperature fuel cell system and method of operating same A high temperature fuel cell stack system, such as a solid oxide fuel cell system, with an improved balance of plant efficiency includes a thermally integrated reformer, combustor and the fuel cell stack. ... 07/14/05 - 20050153176 - Method of operating a fuel cell power plant A fuel cell system extracts water from the effluent of a fuel cell for supply to other components of the fuel cell system that require water. A preferred embodiment is a fuel cell system, for the production of electricity from hydrogen gas and an oxidant, comprising: (a) a fuel cell ... 07/07/05 - 20050147856 - Reforming system for a fuel cell The invention relates to a reforming system for a fuel cell, including an evaporating device for evaporating a raw fuel and for delivering the evaporated raw fuel to a reforming unit, at least one pump for metering the raw fuel that is conducted into the evaporating device, and a control ... 06/30/05 - 20050142402 - High differential pressure electrochemical cell An electrochemical cell capable of operating in pressure differentials exceeding about 2,000 psi, using a porous electrode. The porous electrode comprises a catalyst adsorbed on or in a porous support that is disposed in intimate contact and fluid communication with the electrolyte membrane. ... 06/30/05 - 20050142401 - Method and device for hydrogen storage and delivery The present invention relates to hydrogen production for the generation of energy. The invention describes methods, devices and assemblies involving hydrogen production including reacting hydrogen producing compounds, such as organothiol compounds, with a reactive metal substrate to produce hydrogen gas and utilizing the hydrogen gas to generate energy. The present ... 06/23/05 - 20050136299 - Oxygen supply system A portable oxygen supply for home use may include an electrolyzer for generating oxygen from water in response to electric power input, and a fuel cell electrically connected with the electrolyzer for providing electric power to the electrolyzer. A method of providing oxygen for home use may include the steps ... 06/23/05 - 20050136298 - Methods of treating fuel cells and fuel cell systems In one aspect, the invention features a method including contacting a first gas to an anode of a fuel cell, and contacting a second gas to a cathode of the fuel cell. The first gas is capable of interacting with the anode to form protons, and the second gas is ... 06/16/05 - 20050129996 - Regenerative electrochemical cell system and method for use thereof An exemplary embodiment of a regenerative electrochemical cell system, comprises: a fuel cell module, an electrolysis module, a heat exchange, and an inverted hydrogen storage device. The fuel cell module can comprise a fuel cell hydrogen inlet in fluid communication a hydrogen storage system, and a fuel cell oxygen inlet ... 06/16/05 - 20050129995 - Reforming apparatus for fuel cell, fuel cell and operation method of fuel cell In a reforming method for a high temperature type fuel cell in which dimethyl ether is used as fuel gas, and a gas containing hydrogen and carbon monoxide produced by reacting dimethyl ether with carbon dioxide is fed into the anode, the carbon deposition at the time of reforming is ... 06/16/05 - 20050129994 - Determination of the lambda value of reformate A process and device for determination of the lambda value (λactual) of reformate (10) which is to be supplied to a fuel cell stack (12), by determining the lambda value (λactual) of the no-load voltage (U0) of the voltage on at least one fuel cell element (14). Furthermore, a process ... 06/16/05 - 20050129993 - Purging anode channels of a fuel cell stack A technique that is usable with a fuel cell system includes establishing a path to route an anode exhaust from the fuel cell system back to an anode inlet port of the stack. The technique includes diverting part of a first flow otherwise flowing through the path to produce a ... ### FreshPatents.com Support |