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Purification

Subclass of:

429 - Chemistry: electrical current producing apparatus, product, and process

429400000 - FUEL CELL, SUBCOMBINATION THEREOF, OR METHOD OF MAKING OR OPERATING

429408000 - Process or means for producing, recycling, or treating reactant, feedstock, product, or electrolyte

Patent class list (only not empty are listed)

Deeper subclasses:

Class / Patent application numberDescriptionNumber of patent applications / Date published
429411000 Hydrogen separator 18
429412000 Removing CO from reactant or product stream 15
Entries
DocumentTitleDate
20120202130SOFC Hot Box Components - Various hot box fuel cell system components are provided, such as heat exchangers, steam generator and other components.08-09-2012
20110195323Operating Method of Anion-Exchange Membrane-Type Fuel Cell - A stable, high output is obtained with an anion exchange membrane-type fuel cell that generates electricity when air is supplied. An operating method for an anion exchange membrane-type fuel cell includes an anion exchange membrane electrode assembly for which an anode is joined to one surface of a anion exchange membrane and a cathode is joined to the other surface, and air is supplied to the cathode, wherein air with a reduced carbon dioxide concentration in the atmosphere is supplied to the cathode by a low carbon dioxide air supply system that supplies air with the reduced carbon dioxide concentration to the cathode.08-11-2011
20110195322HYDROGEN GENERATOR, FUEL CELL SYSTEM, AND METHOD FOR OPERATING HYDROGEN GENERATOR - A hydrogen generator (08-11-2011
20130209902Fuel Cell System - A fuel cell system includes a fuel cell having a cathode chamber and an anode chamber. Exhaust gas from the anode chamber is conducted back to the inlet of the anode chamber in an anode circuit. A water separator is provided in the anode circuit, which is connected to a supply line to the cathode chamber by a drain line. A further water separator is arranged in the supply line upstream of the cathode chamber in the flow direction. The drain line flows into the supply line, upstream of the other water separator in the flow direction, or into the other water separator.08-15-2013
20130078541JET FUEL BASED HIGH PRESSURE SOLID OXIDE FUEL CELL SYSTEM - A power system for an aircraft includes a solid oxide fuel cell system which generates electric power for the aircraft and an exhaust stream; and a heat exchanger for transferring heat from the exhaust stream of the solid oxide fuel cell to a heat requiring system or component of the aircraft. The heat can be transferred to fuel for the primary engine of the aircraft. Further, the same fuel can be used to power both the primary engine and the SOFC. A heat exchanger is positioned to cool reformate before feeding to the fuel cell. SOFC exhaust is treated and used as inerting gas. Finally, oxidant to the SOFC can be obtained from the aircraft cabin, or exterior, or both.03-28-2013
20130078540DESULFURIZATION SYSTEM AND METHOD FOR DESULFURIZING A FUEL STREAM - A method for producing a substantially desulfurized a hydrocarbon fuel stream at temperatures less than 100° C. The method includes providing a nondesulfurized fuel cell hydrocarbon fuel stream that may include water and passing the fuel stream sequentially through a zeolite Y adsorbent and a selective sulfur adsorbent. The zeolite Y adsorbent may be exchanged with copper ions. The method produces a substantially desulfurized hydrocarbon fuel stream containing less than 50 ppb sulfur.03-28-2013
20130084508OPERATION METHOD OF FUEL CELL SYSTEM - A method of operating a fuel cell system (04-04-2013
20130040212METHOD AND SYSTEM FOR PURIFICATION OF GAS STREAMS FOR SOLID OXIDE CELLS - The present invention provides in embodiments a method for purification of inlet gas streams for a solid oxide cell operated in both, electrolysis and fuel cell mode, the solid oxide cell comprising at least a first electrode, an electrolyte and a second electrode, the method comprising the steps of:—providing at least one scrubber in the gas stream at the inlet side of the first electrode of the solid oxide cell; and/or providing at least one scrubber in the gas stream at the inlet side of the second electrode of the solid oxide cell; and—purifying the gas streams towards the first and second electrode; wherein the at least one scrubber in the gas stream at the inlet side of the first electrode and/or the at least one scrubber in the gas stream at the inlet side of the second electrode comprises a material suitable as an electrolyte material and a material suitable as an electrode material, and wherein the material suitable as an electrolyte material and a material suitable as an electrode material form triple phase boundaries similar to or identical to the triple phase boundaries of the electrode for which the gas stream is purified with the at least one scrubber.02-14-2013
20130040211METHOD TO CORRECT FOR PERMEATION UNCERTAINTIES USING A CONCENTRATION SENSOR - A method for determining a rate of accumulation of nitrogen in an anode side of a fuel cell stack. The method includes determining a concentration of nitrogen in an anode loop and determining a number of moles of nitrogen in the anode loop. The method also includes determining a rate of accumulation of nitrogen in the anode loop and determining a permeability factor of nitrogen through fuel cell membranes in the fuel cell stack using the determined rate of accumulation of nitrogen in the anode loop.02-14-2013
20130052548PROCESS FOR OPERATING A HIGH TEMPERATURE FUEL CELL STACK - Process for operating a high temperature fuel cell stack, the process comprising the following steps: b) connecting the fuel cell stack in parallel to a power supply unit at a predefined temperature and/or voltage of the fuel cell stack, h) applying a voltage from the power supply unit of between 700 to 1500 mV per fuel cell across the fuel cell stack irrespective of the electro-motive force of the fuel cell stack, i) heating up the fuel cell stack from the predefined temperature to operation temperature while maintaining the voltage per fuel cell the power supply unit, j) maintaining the fuel cell stack at or above a predetermined operation temperature and/or above a predetermined voltage until the fuel cell stack is to be put into operation, k) supplying fuel to the fuel cell stack, l) disconnecting the power supply unit followed by m) connecting a power-requiring load to the fuel cell stack.02-28-2013
20100136439DESULFURIZER, HYDROGEN GENERATION APPARATUS, FUEL CELL POWER GENERATING SYSTEM, AND DESULFURIZING AGENT CARTRIDGE - A desulfurizer includes an outer container having an outer-container inlet and an outer-container outlet, and an inner container that has a desulfurizing section filled with a desulfurizing agent removing an odor component in material, and is removably disposed in the outer container, wherein the inner container has an inner-container inlet communicated to the outer-container inlet, an inner-container outlet communicated to the outer-container outlet, and seal members provided in the inner-container inlet and the inner-container outlet respectively, and when the inner container is disposed in the outer container, each of the seal members is deformed by an effect of each of the outer-container inlet and the outer-container outlet, so that communication is made between the outer-container inlet and the inner-container inlet, and between the inner-container outlet and the outer-container outlet.06-03-2010
20130059214FUEL CELL CONTAMINANT REMOVAL METHOD - An example method of operating a fuel cell system includes calculating the rate of water produced in the fuel cell stack, determining the rate of water exiting the system, and controlling the condenser temperature to maintain the cathode gas exit temperature from the condenser below the temperature required to maintain water balance in the fuel cell system. The method collects the condensed vapor as water and purges a portion of the collected water containing contaminants from the system.03-07-2013
20110123878Dual Purpose Gas Purification by Using Pressure Swing Adsorption Columns for Chromatographic Gas Separation - A pressure swing adsorption process wherein a gas mixture comprised of a reformate gas and a biomass gas is processed to remove contaminants.05-26-2011
20110300457FUEL CELL SYSTEM WITH REOXIDATION BARRIER - A fuel cell system comprising at least one fuel cell unit (12-08-2011
20110143229LIQUID PHASE DESULFURIZATION OF FUELS AT MILD OPERATING CONDITIONS - A simple, compact process for cleansing hydrocarbon fuel such as jet fuel is disclosed. This process involves subjecting the fuel to an oxidative desulfurization process in a desulfurization reactor followed by passing the fuel through an adsorption bed. The cleansed desulfurized fuel may then be utilized directly in generation of hydrogen for fuel cell applications.06-16-2011
20120270118ANODE WATER SEPARATOR FOR A FUEL CELL SYSTEM - An anode reactant recycling system for a fuel cell is disclosed, the system including a hollow main body, a bleed conduit, an injector, a water separator, and a hydrophilic porous media. The anode reactant recycling system for a fuel cell is configured to minimize a required number of components, eliminate the need for the anode heat exchanger, use a single valve for removal of condensate and reactant byproducts from the anode reactant recycling system, and provide an upstream volume for startup pressurization.10-25-2012
20110217601FUEL CELL SYSTEM - A hydrogen circulation type fuel cell system equipped with an electrochemical cell executes discharging an anode off-gas with impurities being condensed toward the outside of the system at a proper timing. The fuel cell system having a circulation route so that a fuel gas containing hydrogen is supplied on the side of an anode electrode for electrochemical reaction in a fuel cell and a part or whole of an anode off-gas given from the fuel cell can be circulated on the side of the anode electrode of the fuel cell again for the electrochemical reaction, includes an electrochemical cell enabling the hydrogen in the anode off-gas flowing through the circulation route by flowing the current between electrodes to be selectively supplied on the side of the anode electrode, in which a discharge timing of discharging the anode off-gas in the inlet port electrode of the electrochemical cell toward the outside of the system is controlled based on a predetermined discharge reference determined by a correlation between electric power consumed for hydrogen transmission in the electrochemical cell and a residual hydrogen concentration in the anode off-gas discharged by a discharge unit.09-08-2011
20110217602Integrated Hydromethanation Fuel Cell Power Generation - The present invention relates to processes and apparatuses for generating electrical power from certain non-gaseous carbonaceous feedstocks through the integration of catalytic hydromethanation technology with fuel cell technology.09-08-2011
20110269034FUEL CELL SYSTEM - There are included a gas-liquid separator (11-03-2011
20120034537FUEL CELL SYSTEM - A fuel cell system according to the present invention includes: a deodorizing device (02-09-2012
20110200894Fuel cell system - A fuel cell system (08-18-2011
20120107703FUEL CELL SYSTEM - A fuel cell system of the present invention includes: a reformer (05-03-2012
20110207002Integrated Hydromethanation Fuel Cell Power Generation - The present invention relates to processes and apparatuses for generating electrical power from certain non-gaseous carbonaceous feedstocks through the integration of catalytic hydromethanation technology with fuel cell technology.08-25-2011
20100190067MANAGEMENT OF FUEL CONTAMINATORS IN FUEL CELLS - There is described a method for managing a fuel cell system having a fuel contaminator present in an anode reactant, the method comprising: monitoring a fuel contaminator concentration in the anode reactant of a fuel cell stack, the fuel cell stack having a plurality of individual fuel cell units each having a membrane electrode assembly (MEA); detecting an increase in the fuel contaminator concentration in the anode reactant; and increasing, when the increase in fuel contaminator concentration is detected, a concentration of a compound that chemically reacts with the fuel contaminator in the anode reactant by a mass transfer through a membrane in the fuel cell system to reduce the fuel contaminator concentration.07-29-2010
20100227229SOLID ACID, METHOD FOR PREPARING THE SOLID ACID, AND METHOD FOR DESULFURIZING HYDROCARBON OIL USING THE SOILD ACID AS DESULFURIZING AGENT - [Problems] To provide a method for desulfurization with a desulfurizing agent, which can efficiently desulfurize, for example, a hydrocarbon oil as a raw material and fuel for generating hydrogen for use in fuel cells, particularly kerosenes and light oils, without the need to use reduction treatment and hydrogen and at a temperature from room temperature to about 100° C., and a fuel cell system using the desulfurization method. There are also provided a solid acid useful as a constituent of the desulfurizing agent for use in the desulfurization method, and a process for producing the solid acid.09-09-2010
20100239921CO2 TOLERANT ALKALINE FUEL CELLS AND ALKALINE BATTERIES - An alkaline electrochemical device having an alkaline electrolyte disposed between an anode electrode and a cathode electrode, where the anode electrode and/or the cathode electrode is provided with a CO09-23-2010
20120196194SOFC Hot Box Components - Various hot box fuel cell system components are provided, such as heat exchangers, steam generator and other components.08-02-2012
20110027667FUEL CELL, AND METHOD FOR MANUFACTURING THE SAME - A fuel cell of the present invention comprises a power generating cell (C), which has at least two surfaces, a fuel gas being supplied through one of the surfaces and oxygen being supplied through the other surface, thereby generating electric power, a cell holder (02-03-2011
20100221618Enclosed Separator Unit for a Gas Supply of a Fuel Cell System - An enclosed separator unit for incorporation into a gas supply device of a fuel cell system, to separate liquid from the gas supply device, includes a separator for separating the liquid. A housing encloses the separator unit which is arranged in a gas space 09-02-2010
20100304230FUEL PROCESSING SYSTEM FOR DESULFURIZATION OF FUEL FOR A FUEL CELL POWER PLANT - A fuel processing system (12-02-2010
20110212370Systems and Methods of Securing Immunity to Air CO2 in Alkaline Fuel Cells09-01-2011
20100304231INTEGRATED CONTAMINANT6 SEPARATOR AND WATER-CONTROL LOOP FOR A FUEL REACTANT STREAM - An integrated contaminant separator and water-control loop (12-02-2010
20120034538HIGH-EFFICIENCY DUAL-STACK MOLTEN CARBONATE FUEL CELL SYSTEM - A dual stack fuel cell system comprising a first fuel cell stack comprising a first anode side, adapted to receive fuel and to output a first anode exhaust, and a first cathode side, a second fuel cell stack comprising a second anode side, adapted to receive processed anode exhaust derived from the first anode exhaust and to output a second anode exhaust, and a second cathode side, adapted to receive oxidant gas and to output a first cathode exhaust, wherein the first cathode side receives at least the first cathode exhaust outputted from the second cathode side; and wherein the first fuel cell stack includes indirect internal reforming and the second fuel cell stack may not include any indirect internal reforming.02-09-2012
20120034536 FLUIDIZED BED CONTAMINANT SEPARATOR AND WATER-CONTROL LOOP FOR A FUEL REACTANT STREAM OF A FUEL CELL - A fluidized contaminant separator and water-control loop (02-09-2012
20100304232FILTER HOUSING FOR A FUEL CELL - A housing for filtering the intake air of a fuel cell, comprising a housing bottom part and a housing top part, which together bound off a space, the space being divided by at least one filter element into a crude air space and a clean air space, both the housing bottom part and the housing top part being coordinated with an air admission port to carry intake air into the space or out from the space, wherein the housing works steadily and reliably after a no-problem installation, wherein the filter element is at least partly embedded in a sealing compound.12-02-2010
20110008688HYDROGEN PRODUCTION DEVICE, AND FUEL CELL SYSTEM PROVIDED WITH THE SAME - A hydrogen generating apparatus contains a hydrogen generating device containing a reforming device; a desulfurizing device; a hydrocarbon removing device; a first raw material supplying path that passes the raw material through only the desulfurizing device among the desulfurizing device and the hydrocarbon removing device, and flows the raw material into the hydrogen generating device; a second raw material supplying path that passes the raw material through the desulfurizing device and the hydrocarbon removing device, and flows the raw material into the hydrogen generating device; and a controlling device that switches the flow path of the raw material to the second raw material supplying path in an operating step of supplying only the raw material to the hydrogen generating device.01-13-2011
20110008687Fuel cell system with quick connect components - Embodiments relate to a fuel cell system. In an embodiment, the fuel cell system includes advanced leak test capabilities. In another embodiment, the fuel cell system includes a system to bypass one or more separation units while permitting the fuel cell system to continue to produce electricity. In another embodiment, the fuel cell system includes an alignment system that permits ease of alignment when a fuel cell module is installed proximate a fuel processing module. In another embodiment, the fuel cell system includes a system of supplying auxiliary fuel from a mobile auxiliary fuel supply. In an embodiment, one or more or all of these embodiments may be practiced together in combination.01-13-2011
20110020715FUEL CELL SYSTEM - [Problem] The object is to provide a fuel cell system capable of ventilating the interior of a casing in a simplified construction and also capable of suppressing the drawing of combustion gas into the interior of the casing even if such gas remains around the casing at the worst.01-27-2011
20100323250DESULFURIZING SYSTEM FOR A FUEL CELL POWER PLANT - The system (12-23-2010
20110189553METHOD FOR PRODUCING AND INTEGRATION OF DIRECT SODIUM BOROHYDRIDE FUEL CELL - In the related invention, for different applications, the system integration of a 70-150 W functional and portable direct sodium borohydride fuel cell (DSBHFC) is realized. The system is integrated in such a way that neither the hydrogen from the sodium borohydride fuel nor the oxygen from the oxidant hydrogen peroxide affects the fuel cell performance. The 70-150 W power system consists of 4 different groups. Each group has two stacks with 7 cells. Therefore, each group has a total of 14 cells. The system altogether has 56 cells. The fuel and the oxidant pumped from the storage tanks are sent to the distributing unit through the anode and cathode lines. In the distributor, anode and cathode flows distributed to every feeding line for each stack reach the cells through the distribution lines. The fuel and oxidant solutions in the stack reach the collecting units through the collecting lines. The flows are sent back form the collecting units to the feeding tank. In this way, the circulation of fuel and oxidant in tanks for each 7-cell group is realized and the performance is increased.08-04-2011
20110189552DRAINING MEANS FOR A FUEL CELL SYSTEM AND RELATED ADJUSTMENT MODE - The invention relates to a draining device for a fuel cell (FC). The effluents from a hydrogen FC comprising a recirculation circuit have to be regularly drained in order to guarantee optimum operation. The draining devices of the prior art are characterized by significant variations in the hydrogen concentration of the effluents. The invention consists in incorporating the draining means in the device for separating the liquid and gas phases of the effluents. Advantageously, means for fine regulation of the draining flow rate are provided, which makes it possible to limit the losses of hydrogen the drained effluents.08-04-2011
20110111310FUEL CELL SHUTDOWN WITH STEAM PURGING - The present invention relates to an apparatus for steam purging a solid oxide fuel cell stack. Purging the SOFC stack with steam has a physical flushing effect, removing carbon monoxide containing reformate and free oxygen gas from the anode area thereby reducing the potential for nickel oxide or nickel carbonyl formation.05-12-2011
20110070508FUEL CELL SYSTEM AND METHOD OF CONTROLLING THE SAME - A fuel cell system includes an exhaust pipe through which anode purge gas is discharged into the atmosphere, a heat medium passage through which heat medium is flowed, a circulation pump for circulating the heat medium through the heat medium passage, a heat exchanger provided in the heat medium passage, a heat exchanger fan for generating airflow through the heat exchanger, and a guide by which the airflow is guided so as to diffuse the anode purge gas. The circulation pump and the heat exchanger fan are operated during anode purge in such a way that the heat exchanger fan is operated regardless of the heat medium temperature, and a flow rate of the heat medium flowing through the heat medium passage is zero or lower than a flow rate when output of a fuel cell is maximum.03-24-2011
20120040256HYDROGEN GENERATOR AND FUEL CELL SYSTEM - A hydrogen generator (02-16-2012
20120231356FUEL CELL SYSTEM CONTROLLER - A fuel cell system that includes a control system for regulating the power produced by the fuel cell system. The fuel cell system includes a fuel cell stack adapted to produce electrical power from a feed. In some embodiments, the fuel cell system includes a fuel processing assembly adapted to produce the feed for the fuel cell stack from one or more feedstocks. The control system regulates the power produced by the fuel cell system to prevent damage to, and/or failure of, the system.09-13-2012
20120015260FUEL CELL SYSTEM - A fuel cell system provided with a fuel cell module, a water supply device for supplying water to the fuel cell module, a water container for supplying water to the water supply device, and a condenser for condensing water vapor in the exhaust gas which is discharged from the fuel cell module and supplying the condensed water to the water container. The water container contains therein an ion exchange device for removing impurities which are contained in the water supplied from the condenser. The water supply device is provided below and downstream of the water container. A pressure regulating device for absorbing a pulsation of the water supply device and absorbing the variation in the pressure in the fuel cell module is provided between the water supply device and the fuel cell module.01-19-2012
20120115052FUEL CELL SYSTEM AND OPERATION METHOD THEREFOR - A fuel cell system of the present invention is a fuel cell system including a fuel cell (05-10-2012
20120115051FUEL CELL AND GAS SEPARATOR FOR FUEL CELL - In at least one of flow distribution areas 05-10-2012
20110165477DESULFURIZER - A desulfurizer includes a filled chamber having a raw fuel passage through which a raw fuel flows, the filled chamber being filled with a desulfurizing agent, a supply chamber disposed upstream of the filled chamber, for uniformly supplying the raw fuel to the raw fuel passage, and a discharge chamber disposed downstream of the filled chamber, for uniformly discharging the raw fuel from the raw fuel passage. The raw fuel passage has first and second reversers for reversing the direction in which the raw fuel flows. The raw fuel passage has a cross-sectional area which is smaller in a downstream portion thereof than in an upstream portion thereof.07-07-2011
20120208097FUEL CELL SYSTEM AND DESULFURIZATION UNIT FOR THE SAME - A desulfurization unit for a fuel cell system includes a first desulfurizer arranged in a temperature environment ranging from 50° C. to 200° C. and accommodating a desulfurizing agent including a porous material serving as a base material, the desulfurizing agent exerting a desulfurization effect in a normal temperature range, the first desulfurizer adsorbing a sulfur compound included in a source gas in the temperature environment ranging from 50° C. to 200° C. when the source gas having a low dew point is supplied through a source gas passage to the first desulfurizer and when the source gas having a high dew point is supplied through the source gas passage to the first desulfurizer.08-16-2012
20120064417FUEL CELL SYSTEM - A fuel cell system comprises a fuel cell unit for generating electric power using fuel gas and oxidizing gas and supplying the electric power; a condensed water tank for storing condensed water recovered from gas exhausted from the fuel cell unit; a water supply passage through which water is supplied from the condensed water tank to the fuel cell unit; and a water purifier disposed on the water supply passage to purify at least ions in the water; the water purifier including an ion-exchange resin layer, an antibacterial agent layer disposed upstream of the ion-exchange resin layer in a flow direction, an active carbon layer disposed between the ion-exchange resin layer and the antibacterial agent layer, and a first gap formed between the active carbon layer and the ion-exchange resin layer.03-15-2012
20100279181SYSTEMS AND METHODS FOR THE SEPARATION OF CARBON DIOXIDE AND WATER - Systems and methods for the separation and capture of carbon dioxide from water are generally described. In some embodiments, a vapor stream containing carbon dioxide and water is separated using a cascade of at least two flash drums. Additional flash steps may be incorporated to remove atmospheric gases, such as nitrogen and argon, from the feed. Carbon dioxide may be condensed and pressurized at purities suitable for pipeline transport and eventual storage in geological formations. In addition, water may be recovered at high purity.11-04-2010
20120208098FUEL CELL SYSTEM - A fuel cell system includes a source gas passage including a first desulfurizer that has a desulfurization performance relative to a source gas having a relatively higher dew point, and a second desulfurizer that has the desulfurization performance relative to a source gas having a relatively lower dew point and the source gas having the relatively higher dew point. The desulfurization performance of the second desulfurizer relative to the source gas having the relatively higher dew point is lower than the desulfurization performance of the second desulfurizer relative to the source gas having the relatively lower dew point. The first desulfurizer, the second desulfurizer, and a flowmeter are arranged at the source gas passage in the aforementioned order from an upstream side to a downstream side of the source gas passage in a flow direction of the source gas.08-16-2012
20120070751CLOSED LOOP TYPE FUEL CELL SYSTEM - A closed loop type fuel cell system is provided including a recirculating unit that recirculates hydrogen and oxygen discharged from a main fuel cell into the main fuel cell and a reproducing unit that removes water produced in operation of the main fuel cell and impurities contained in the circulated hydrogen and oxygen. Further, a closed loop type fuel cell is provided that makes it possible to generate electricity by using a main fuel cell and purify water and impurities by allowing a side of a recirculating unit to selectively communicate with a side of a reproducing unit. Further, a closed loop type fuel cell is provided that is precluded by being damaged by precluding reduction of efficiency of electric generation of a mina fuel cell by selectively replacing a sacrifice fuel cell in a reproducing unit.03-22-2012
20120156574HYDROGEN GENERATION HAVING CO2 REMOVAL WITH STEAM REFORMING - A method for producing hydrogen using fuel cell off gases, the method feeding hydrocarbon fuel to a sulfur adsorbent to produce a desulfurized fuel and a spent sulfur adsorbent; feeding said desulfurized fuel and water to an adsorption enhanced reformer that comprises of a plurality of reforming chambers or compartments; reforming said desulfurized fuel in the presence of a one or more of a reforming catalyst and one or more of a CO06-21-2012
20110065010Fuel Reformer Integration With Carbon Dioxide Scrubbers - The invention as disclosed is the integration of a fuel reformer reactor and a carbon dioxide scrubbing reactor for use in high temperature fuel cells. The reformer is placed in series with and between two carbon dioxide scrubbers. Fuel gas from the fuel cell is passed through a first carbon dioxide scrubber where the fuel gas is heated, has carbon dioxide gas removed there from, and is passed to the reformer. The gas exiting the reformer is scrubbed and heated by the second carbon dioxide scrubber before the gas is supplied to the fuel cell.03-17-2011
20120121995METHOD OF OPERATING A FUEL CELL SYSTEM ON LOW QUALITY BY-PRODUCT GASES - A method of operating a fuel cell system on a by-product gas containing a fuel constituent. The fuel cell system includes a fuel reformer for forming a reformate stream, a combustor for supplying heat energy to the fuel reformer, and a fuel cell stack. The method includes the steps of separating a by-product gas into a purified gas stream and a residual stream with a gaseous fuel purifier, feeding the purified gas stream to the fuel reformer configured to transform the purified gas stream to produce a reformate stream, and feeding the residual gas stream to a combustor configured to provide heat energy to the fuel reformer. The purified gas stream contains a higher concentration of preferable fuel constituents and a lower concentration of contaminants than the residual gas stream.05-17-2012
20100248043Hydrogen Fuel Cell Water Knock Out Device and Method of Use - A hydrogen fuel cell water knockout device for an exhaust system of a heavy duty hybrid hydrogen fuel cell transit bus includes an expansion chamber housing forming an expansion chamber, the expansion chamber including a substantially vertical exhaust section and an exhaust flow path there through with a vertically lowest point in the exhaust flow path; a drain; and a condenser disposed at the vertically lowest point in exhaust flow path of the substantially vertical exhaust section in the expansion chamber so that the condenser condenses water from H09-30-2010
20100209788FUEL CELL SYSTEM - A fuel cell system includes: a fuel cell stack for generating electrical energy by reacting oxidant and mixed fuel, and for discharging non-reacted fuel, oxidant, moisture, and carbon dioxide; a mixer for preparing the mixed fuel by mixing at least a portion of the non-reacted fuel, oxidant and moisture with concentrated fuel and for supplying the mixed fuel to the fuel cell stack; a fuel supply unit for supplying the concentrated fuel to the mixer; an oxidant supply unit for supplying the oxidant to the fuel cell stack; a first heat exchanger between an outlet of the fuel cell stack and the mixer; and a second heat exchanger between the mixer and an inlet of the fuel cell stack.08-19-2010
20120315555High Temperature Fuel Cell System for Operation with Low Purity Ethanol - A fuel purification system includes a fuel cell stack and a fuel purification unit, such as a distillation unit. The fuel cell stack is adapted to provide heat to the fuel purification unit, and the fuel purification unit is adapted to provide a purified fuel to the fuel cell stack.12-13-2012
20120135322FUEL CELL SYSTEM - A fuel cell system includes a fuel cell module, a water supply apparatus for supplying water to the fuel cell module, a water container for supplying the water to the water supply apparatus, a condenser for condensing water vapor in an exhaust gas discharged from the fuel cell module and supplying the condensed water to the water container. The water container has a supply port for supplying the water from the condenser to the water container, and a discharge port for sending the water to the water supply apparatus, and a water channel having a serpentine pattern as a passage of the water from the supply port to the discharge port. An ion exchanger section is provided in the water channel.05-31-2012
20120171582OPEN TYPE FUEL CELL SYSTEM - An open type fuel cell system is provided including a recirculating unit that recirculates hydrogen discharged from a main fuel cell into the main fuel cell and a reproducing unit that removes water and impurities produced in operation of the main fuel cell. The open type fuel cell system is adapted so that it does not discharge hydrogen supplied to a main fuel cell into the atmosphere.07-05-2012
20100273069FUEL CELL SYSTEM INCLUDING A FUEL MODULE - A fuel cell system includes an energy conversion module and a fuel module that is detachable from the energy conversion module. The fuel module includes a fuel tank, a fuel module identification member including fuel module data and a fuel filter member. The control module is configured to access the fuel module data from the fuel module identification member. The fuel cell stack is configured to utilize the refined fuel to generate electrical energy.10-28-2010
20100273068FUEL CELL SYSTEM INCLUDING A FUEL FILTER MEMBER WITH A FILTER PROPERTY INDICATOR - A fuel cell system includes a fuel tank, a replaceable fuel filter, a fuel cell stack, and a control system. The fuel tank includes raw fuel stored therein. The replaceable fuel filter member includes a filter property indicator and is configured to receive raw fuel from the fuel tank and to refine the raw fuel to a refined fuel. The fuel cell stack is configured to receive refined fuel from the fuel filter and to utilize the refine fuel to generate electricity and a control system configured to access the filter property indicator of the fuel filter member.10-28-2010
20120082908FUEL CELL, METHOD FOR OPERATING FUEL CELL AND FUEL CELL SYSTEM - A fuel cell, a method for operating a fuel cell and a fuel cell system, which ensure no dew condensation for a wet reaction gas in the inlet area of gas channels in plates in a fuel cell stack. Gas channels and heat medium channels are disposed on one surface and the other surface of one plate, respectively. Gas channels are disposed on the other plate such that they face the gas channels in the plate. A gas inlet header is disposed at the upper part of the gas channel in the plate and a heat medium inlet header is disposed at the upper part of the heat medium channels such that they face the gas inlet header on the other side. Cooling water such as heat medium is supplied from the heat medium supply manifold hole to the heat medium inlet header, thereby warming up the same.04-05-2012
20120189923METHOD FOR THE PRODUCTION OF ELECTRICAL ENERGY FROM AMMONIUM - The invention provides a method for the production of electrical energy from an ammonium (NH07-26-2012
20110003214HYDRODESULFURIZER RECYCLE APPLIED UPSTREAM OF PROCESSOR FEEDSTOCK PRESSURIZATION - Fuel processing by a reformer (01-06-2011
20110236775Fuel Cell System - A fuel cell system quickly and efficiently preheats a frozen stack. The fuel cell system includes: a reformer which generates a reformate gas by reforming a fuel and is heated by a heat source unit; a stack which generates electricity by electrochemically reacting an oxidizer with hydrogen in the reformate gas; and a fluid flow controller which moves air around the reformer into an area around the stack, and which controls airflow on the basis of a temperature change of the stack, wherein the air is heated by the surface temperature of the reformer.09-29-2011
20120276461Fuel Cell System Having a Fluid Separator in the Anode Circuit - A fuel cell system includes an anode circuit by means of which unused gas from the anode region of a fuel cell can be recirculated via a recirculation delivery device into the anode region. At least one liquid separator is provided in the anode circuit. The liquid separator is integrated with the recirculation delivery device to form an assembly. Fresh hydrogen is supplied to the anode region by feeding the hydrogen into the liquid separator.11-01-2012
20120276460FUEL CELL SYSTEM AND METHOD OF STOPPING FUEL CELL SYSTEM - In a fuel cell system, a controller is programmed to control a first gas supply mechanism to deliver a first gas containing a fuel gas to a cathode in a pre-stop process performed at a system stop of the fuel cell system. The controller is programmed to control the first gas supply mechanism to stop the delivery of the first gas in a first state where a partial pressure difference between an anode and the cathode with respect to at least the fuel gas of remaining gases in the anode and in the cathode is reduced to or below a preset reference value.11-01-2012
20110294023CLOSED LOOP TYPE FUEL CELL SYSTEM WITH UNREACTED MATERIAL REMOVING FUNCTION - Disclosed herein is a closed loop type fuel cell system having a removal function for an oxidant and a reductant, which are unreacted material, including a recirculating means recirculating oxidant and reductant discharged from the main fuel cell back into the main fuel cell; and a regenerating means for removing moisture produced during the operation of the main fuel cell and impurities contained in the recirculated oxidant and reductant.12-01-2011
20120135321BOILER UNIT - A boiler unit (05-31-2012
20130017458FUEL CELL SYSTEM AND OPERATION METHOD THEREOFAANM Umeda; TakahiroAACI NaraAACO JPAAGP Umeda; Takahiro Nara JPAANM Kusakabe; HirokiAACI OsakaAACO JPAAGP Kusakabe; Hiroki Osaka JPAANM Yasumoto; EiichiAACI KyotoAACO JPAAGP Yasumoto; Eiichi Kyoto JPAANM Unoki; ShigeyukiAACI OsakaAACO JPAAGP Unoki; Shigeyuki Osaka JPAANM Sugawara; YasushiAACI OsakaAACO JPAAGP Sugawara; Yasushi Osaka JPAANM Shibata; SoichiAACI OsakaAACO JPAAGP Shibata; Soichi Osaka JPAANM Sakai; OsamuAACI OsakaAACO JPAAGP Sakai; Osamu Osaka JP - A controller (01-17-2013
20130022882FUEL CELL SYSTEM - A fuel cell includes an electrolyte membrane, an anode which is disposed on one surface of the electrolyte membrane and includes an anode catalyst layer, a cathode which is disposed on the other surface of the electrolyte membrane and includes a cathode catalyst layer, and an adjustment unit which allows at least one of a relative humidity of a gas which is in contact with the anode catalyst layer and a relative humidity of a gas which is in contact with the cathode catalyst layer to be decreased down to less than 100% before a fuel is supplied at the time of starting.01-24-2013
20130171530FUEL CELL SYSTEM - A fuel cell system (07-04-2013
20130143135HYDROGEN GENERATION APPARATUS AND FUEL CELL SYSTEM - A hydrogen generation apparatus (06-06-2013
20130143136HYDROGEN GENERATION APPARATUS AND FUEL CELL SYSTEM - A hydrogen generation apparatus and a fuel cell system including: a reformer (06-06-2013
20120251899SOLID-OXIDE FUEL CELL HIGH-EFFICIENCY REFORM-AND-RECIRCULATE SYSTEM - A combined cycle fuel cell includes a fuel cell such as a solid-oxide fuel cell (SOFC) comprising an anode that generates a tail gas. A hydrocarbon fuel reforming system that mixes a hydrocarbon fuel with the fuel cell tail gas downstream of the fuel cell partly or fully converts the hydrocarbon fuel into hydrogen (H10-04-2012
20120251898RECIRCULATION COMPLEX FOR INCREASING YIELD FROM FUEL CELL WITH CO2 CAPTURE - A system and method are provided for boosting overall performance of a fuel cell while simultaneously separating a nearly pure stream of CO10-04-2012
20110269033System for Adding Sulfur to a Fuel Cell Stack System for Improved Fuel Cell Stability - A system for adding sulfur to a fuel cell stack, having a reformer adapted to reform a hydrocarbon fuel stream containing sulfur contaminants, thereby providing a reformate stream having sulfur; a sulfur trap fluidly coupled downstream of the reformer for removing sulfur from the reformate stream, thereby providing a desulfurized reformate stream; and a metering device in fluid communication with the reformate stream upstream of the sulfur trap and with the desulfurized reformate stream downstream of the sulfur trap. The metering device is adapted to bypass a portion of the reformate stream to mix with the desulfurized reformate stream, thereby producing a conditioned reformate stream having a predetermined sulfur concentration that gives an acceptable balance of minimal drop in initial power with the desired maximum stability of operation over prolonged periods for the fuel cell stack.11-03-2011
20130122382CARBON DIOXIDE SEPARATOR AND METHOD OF USE THEREFOR - Provided are a carbon dioxide separator and method of use therefor for separating carbon dioxide gas from a mixed gas containing oxygen and carbon dioxide gases, said carbon dioxide separator comprising: a carbon dioxide separating stack having in sequence an anode electrode, an anion-exchange polymer electrolyte membrane and a cathode electrode; a reducing agent supply chamber for supplying a reducing agent to the anode electrode, said reducing agent supply chamber disposed on the outer surface of the anode electrode and comprising a space in which at least a part of the anode electrode side is exposed; and a mixed gas supply chamber for supplying the mixed gas to the cathode electrode, said mixed gas supply chamber disposed on an outer surface of the cathode electrode and comprising a space in which at least a part of the cathode electrode side is exposed. The anode and cathode electrodes are electrically connected.05-16-2013
20130130134SOLID OXIDE FUEL CELL STEAM REFORMING POWER SYSTEM - The present invention is a Solid Oxide Fuel Cell Reforming Power System that utilizes adiabatic reforming of reformate within this system. By utilizing adiabatic reforming of reformate within the system the system operates at a significantly higher efficiency than other Solid Oxide Reforming Power Systems that exist in the prior art. This is because energy is not lost while materials are cooled and reheated; instead the device operates at a higher temperature. This allows efficiencies higher than 65%.05-23-2013
20100279182FUEL CELL SYSTEM AND METHOD FOR REMOVAL OF IMPURITIES FROM FUEL CELL ELECTRODES - A fuel cell system and method of removing impurities from a catalyst are provided. The fuel cell system comprises a fuel cell stack comprising a pair of end plates and at least one unit cell. The unit cell contains a gas diffusion layer in contact with a membrane electrode assembly which is constructed of a polymer electrolyte membrane enclosed between two electrodes. The at least one unit cell is stacked between the end plates. The fuel cell system further comprises a voltage supply means and a means of impressing a cyclically varying voltage from the voltage supply means on the fuel cell stack. The cyclically varying voltage removes impurities that adhere to catalysts on the electrode surfaces in the fuel cell stack.11-04-2010
20110229778FUEL CELL POWER GENERATION SYSTEM, AND METHOD FOR OPERATING FUEL CELL POWER GENERATION SYSTEM - A fuel cell power generation system 09-22-2011
20130189594UTILIZING PHASE CHANGE MATERIAL, HEAT PIPES, AND FUEL CELLS FOR AIRCRAFT APPLICATIONS - A heat transfer system includes a fuel cell module that produces heat and water, and a thermal energy storage module that stores the heat produced by the fuel cell module. The thermal energy storage module includes a phase-change material. A conduit couples the fuel cell module to the thermal energy storage module. The conduit is oriented to channel the water produced by the fuel cell module through the thermal energy storage module.07-25-2013
20120015259FUEL CELL SYSTEM AND DESULFURIZATION SYSTEM - One embodiment of the present invention is a unique fuel cell system. Another embodiment is a unique desulfurization system. Yet another embodiment is a method of operating a fuel cell system. Other embodiments include apparatuses, systems, devices, hardware, methods, and combinations for fuel cell systems and desulfurization systems. Further embodiments, forms, features, aspects, benefits, and advantages of the present application will become apparent from the description and figures provided herewith.01-19-2012
20120021305PRECURSOR OF DESULFURIZING AGENT FOR HYDROCARBON AND MANUFACTURING METHOD THEREOF, CALCINED PRECURSOR OF DESULFURIZING AGENT FOR HYDROCARBON AND MANUFACTURING METHOD THEREOF, DESULFURIZING AGENT FOR HYDROCARBON AND MANUFACTURING METHOD THEREOF, HYDROCARBON DESULFURIZATION METHOD, AND FUEL CELL SYSTEM - A desulfurizing agent for a hydrocarbon comprises: 10 to 30 percent by mass of a porous inorganic oxide based on the total mass of the desulfurizing agent; 3 to 40 percent by mass of zinc oxide; and 45 to 75 percent by mass of a nickel atom in terms of nickel oxide, wherein the reduction degree of the nickel atom is 50 to 80 percent, and wherein the amount of hydrogen adsorption per unit desulfurizing agent mass is 3.5 to 4.6 ml/g.01-26-2012
20120082909FUEL PROCESSOR FOR A FUEL CELL ARRANGEMENT AND A METHOD OF OPERATING A FUEL PROCESSOR FOR A FUEL CELL ARRANGEMENT - The fuel processor (04-05-2012
20130209901FUEL CELL COGENERATION SYSTEM - A power generation system onboard an aircraft includes a fuel cell module configured to produce heat. A loop heat pipe module is coupled to the fuel cell module. The loop heat pipe module includes a first fluid that absorbs the heat from the fuel cell module and is channeled through the loop heat pipe module.08-15-2013

Patent applications in class Purification

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