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6015634 |
System and method of water management in the operation of a fuel cell
A PEM fuel cell system includes a PEM fuel cell that has an input and output port each for fuel or reformate, process air and coolant. A predetermined fraction of volume of moistened exhaust air...
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6013385 |
Fuel cell gas management system
A fuel cell gas management system including a cathode humidification system for transferring latent and sensible heat from an exhaust stream to the cathode inlet stream of the fuel cell; an anode...
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6010614 |
Temperature control in a ceramic membrane reactor
A method for maintaining the temperature of an oxygen-selective ion transport membrane within a desired temperature range includes providing an ion transport reactor with the oxygen-selective ion...
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6001498 |
Fuel cell arrangement with gravity-driven circulation system
In a fuel cell arrangement with at least one fuel cell operated by a fuel and an oxidizing agent, means are provided for effecting gravity driven circulation of the fuel and the oxidizing agent...
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5998053 |
Method for operating an apparatus with fuel cells
The apparatus comprises a cell block with fuel cells, a heat insulating jacket, an afterburner chamber between the jacket and the cell block, a prereformer for a combustion gas as well as an...
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5993984 |
Fuel cell power generating system and operating method thereof
The invention has an object to provide a fuel cell power generating system with a simple system configuration, excellent in reliability and cooling ability, and permitting high power density...
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5985474 |
Integrated full processor, furnace, and fuel cell system for providing heat and electrical power to a building
An integrated system includes a fuel cell assembly for supplying electrical power to a building, a furnace having a heating chamber and a heat exchanger for supplying heat to the building, and a...
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5984986 |
Process for operating a system for the water vapor reforming of methanol
The invention provides a process for operating a system for water vapor reforming of methanol in which, in a mixture preparation step, a water vapor/methanol mixture is prepared from water and...
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5981096 |
Fuel cell system
A fuel cell system has an anode space and a cathode space which are separated from one another by a proton-conducting membrane, and an oxygen-containing gas flows through the cathode space....
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5976719 |
Mediator-less biofuel cell
The present invention provides a biofuel cell which can react with an electrode without mediator. The microorganism of a biofuel cell according to the present invention can directly consume the...
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5976723 |
Getter materials for cracking ammonia
A method is provided for cracking ammonia to produce hydrogen. The method includes the steps of passing ammonia over an ammonia-cracking catalyst which is an alloy including (1) alloys having the...
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5976722 |
Process for operating a fuel cell installation and fuel cell installation for carrying out the process
A process for operating a fuel cell installation and a fuel cell installation for carrying out the process include at least one fuel cell block. A process gas for the fuel cell block is fed into...
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5968680 |
Hybrid electrical power system
A hybrid electrical power system includes a solid oxide fuel cell and a turbomachine. Fuel flow to the turbomachine is increased in response to demands for boost power, whereby the turbomachine's...
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5962155 |
Fuel cell system
When a polymeric electrolyte type fuel cell operating at about 60° C. is used, heating with exhaust gas becomes difficult. Therefore, a polymeric electrolyte type fuel cell (PEM) is adopted as a...
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5955214 |
Carbon monoxide removal method based on a regenerable CO scavenger
The present invention comprises a method for lowering the carbon monoxide content of a CO-containing hydrogen-rich gas stream by contacting the gas stream with a scavenger capable of preferentially...
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5935726 |
Method and apparatus for distributing water to an ion-exchange membrane in a fuel cell
A method and apparatus are provided for distributing water produced by the electrochemical reaction to an ion-exchange membrane in a electrochemical fuel cell. Water distribution within a fuel cell...
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5928805 |
Cover and startup gas supply system for solid oxide fuel cell generator
A cover and startup gas supply system for a solid oxide fuel cell power generator is disclosed. Hydrocarbon fuel, such as natural gas or diesel fuel, and oxygen-containing gas are supplied to a...
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5925322 |
Fuel cell or a partial oxidation reactor or a heat engine and an oxygen-enriching device and method therefor
The present invention relates to a combined cycle system of enhanced efficiency. The system comprises a top stage, such as a fuel cell, a partial oxidation reactor or a heat engine, and an...
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5900329 |
Fuel-cell system and method for operating a fuel-cell system
It is presently customary in a high-temperature fuel-cell system to divide the cathode waste gas, in particular, into two subflows, of which one is recirculated again to the cathode and the other...
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5885727 |
Fuel cell-based generator system and method of the same
The present invention provides a fuel cell-based generator system that prevents a catalyst in fuel cells from being poisoned and a potential on oxygen electrodes of the fuel cells from lowering,...
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RE36148 |
Method and apparatus for disposing of water and/or inert gas from a fuel cell block
A method for cathode-side water and inert gas disposal and/or anode-side inert gas disposal from a fuel cell block having a number of fuel cells, includes increasingly concentrating a water and an...
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5866090 |
Method for separation of carbon dioxide gas
A method is disclosed for selectively separating carbon dioxide gas by contacting the carbon dioxide containing gas with a composition containing lithium zirconia at a temperature of 450° C. or...
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5856034 |
Method and device for operating a fuel cell system
The invention provides a method and apparatus for controlling gas circulation in a fuel cell system in which a stack of fuel cells is surrounded by a protective housing. According to the invention,...
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5853910 |
Fuel cell power generating apparatus and operation method therefor
A fuel cell power generating apparatus using a fuel cell (10) having a structure such that a cathode and an anode are disposed on opposite sides of a polymer electrolyte membrane, comprising: an...
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5851689 |
Method for operating a fuel cell assembly
A fuel cell assembly (2) includes a vessel (4) containing a gas-permeable, porous housing (16). A fuel cell stack (14), including cells (42) and interconnect plates (44), is contained within the...
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5849427 |
Hydraulically refueled battery employing a packed bed metal particle electrode
A secondary zinc air cell, or another selected metal air cell, employing a spouted/packed metal particle bed and an air electrode. More specifically, two embodiments of a cell, one that is capable...
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5843195 |
Apparatus for reducing carbon monoxide concentration, apparatus for reducing methanol concentration, and fuel reformer utilizing the same
A fuel reformer (30) includes a reformer unit (32) for receiving supplies of methanol and water and producing a hydrogen-rich reformed gas and a partial oxidizing unit (34) filled with a...
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5840270 |
Catalytic method of generating hydrogen
The catalyzed method of this invention features a method for operating an electrical automotive vehicle. The method of the invention utilizes a hydrogen-air fuel cell to power an electrical...
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5840437 |
Apparatus with fuel cells
The apparatus comprises a cell block with fuel cells, a heat insulating sleeve and an afterburner chamber between the sleeve and the cell block. The afterburner chamber is connected at two opposite...
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5830426 |
Aqueous hydrogen generation process
The new iron material and catalyst admixture of this invention features a method for operating an electrical automotive vehicle. The method of the invention utilizes a hydrogen-air fuel cell to...
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5830593 |
Rotating electrode fuel cell for vehicle propulsion
A fuel cell system for use in vehicles has a hydrogen electrode assembly, an oxygen electrode assembly, and a body of liquid electrolyte between the hydrogen electrode assembly and the oxygen...
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5811201 |
Power generation system utilizing turbine and fuel cell
A system for generating electricity comprises a fuel cell, a heating stage, and an integral, power generator. The power generator comprises a compressor, an electricity generator and a turbine. Hot...
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5795669 |
Electrode
An electrode comprises a first catalytic component active at gas-phase reaction sites and a second catalytic component active at electrochemical reaction sites wherein each catalytic component is...
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5795666 |
Modular power station for the production primarily of hydrogen from solar energy and a method of generating electric energy
A modular power station for the production primarily of hydrogen from solar energy. A conversion module converts solar energy into biomass which is gasified in a gasification module and the...
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5792572 |
System for treatment of acid fuel cell fuel gas stream
Ammonia which is found in fuel cell fuel gases is removed therefrom by passing the fuel gas stream through a scrubber bed of porous carbon pellets containing phosphoric acid. The ammonia reacts...
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5766786 |
Method and system for metered supply of methanol and/or water to a fuel-cell system
A method and a system meters a supply of methanol and/or water out of a storage reservoir to a fuel-cell system by way of a conveying conduit with a metering valve. A constant mass flow is conveyed...
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5736026 |
Biomass-fuel cell cogeneration apparatus and method
Integrated ethanol manufacturing by fermentation of biomass, with an electrical fuel cell generator of electrical and heat energy, the cogeneration including use by the fuel cell of the alcohol,...
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5712052 |
Fuel cell generator and method of the same
The fuel cell generator system of the present invention effectively cancels catalyst poisoning in fuel cells so as to improve the performance of fuel cells. In the fuel cell generator system of the...
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5707762 |
Modular power plant for the generation of electrical energy from solar energy
A modular plant for the generation of electrical energy from solar energy. The principle structure consists of a conversion module (1) for the conversion of solar energy into biological raw...
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5705288 |
Process for generating electrical energy in a high temperature fuel cell
Process for the generation of electrical energy in an internal reforming high temperature fuel cell, comprising steam and/or carbon dioxide reforming of a hydrocarbon feed gas in contact with a...
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5686196 |
System for operating solid oxide fuel cell generator on diesel fuel
A system is provided for operating a solid oxide fuel cell generator on diesel fuel. The system includes a hydrodesulfurizer which reduces the sulfur content of commercial and military grade diesel...
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5683828 |
Metal platelet fuel cells production and operation methods
Fuel cell stacks comprising stacked separator/membrane electrode assembly cells in which the separators comprise a series of stacked thin sheet platelets having individually configured serpentine...
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5660940 |
Method for producing electric energy in a biofuel-powered fuel cell
A method for producing electric energy in a biofuel-powered fuel cell, the metal in the first acid metallic salt solution forming a redox pair having a normal potential between -0.1 and 0.7 V and...
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5645950 |
Process for supplying air to a fuel cell system
A process and an apparatus control output of an air-breathing fuel cell system which consists of an air supply line, a fuel cell, an air exhaust line, and a separate gas supply system for hydrogen...
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5637415 |
Controlled CO preferential oxidation
Method for controlling the supply of air to a PROX reactor for the preferential oxidation in the presence of hydrogen wherein the concentration of the hydrogen entering and exiting the PROX reactor...
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5629102 |
Electrical automobile having a fuel cell, and method of powering an electrical automobile with a fuel cell system
The present invention features a system and a method for operating an electrical automotive vehicle. The system has an electrically-powered automotive vehicle with electrical drive motors. The...
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5616430 |
Reformer and fuel cell system using the same
While a fuel cell operates, a fuel cell system allows a carbon dioxide rich gas discharged from an anode of the fuel cell through consumption of hydrogen to be fed into a carbon dioxide recovery...
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5612148 |
Process for energy storage and/or power delivery with means for restoring electrolyte balance
An electrochemical apparatus for energy storage and/or power delivery comprises multi-compartment cells with the + ve chamber and the - ve chamber of each cell being separated by at least one...
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5609834 |
Plate reformer
A plate reformer has a pair of combustion chambers, a reforming chamber in between the combustion chambers, and heat transfer plates sandwiched between the reforming chamber and the combustion...
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5601936 |
Method of operating a fuel cell
A fuel cell is operated at a temperature which is not greater than substantially 250° C., has an electrolyte which can be a solid polymer electrolyte, a liquid phosphoric acid electrolyte, or a...
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