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6841276 |
Method of and system for cooling a backup power system
A system of and method for cooling a backup power system upon or after the occurrence of a power outage or reduction condition is provided. Upon or after the occurrence of the power outage or...
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6841279 |
Fuel cell system
A fuel cell produces electricity by reacting a higher carbon hydrocarbon fuel with steam in a steam pre-reformer, whose temperature does not exceed 500° C. A fuel stream is produced that includes...
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6841286 |
Fuel cell system
A fuel cell system includes: a fuel cell; a fuel generator for generating a fuel gas from a feedstock; a fuel supplying conduit for supplying the fuel gas produced by the fuel generator to the fuel...
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6841278 |
Fuel cell performance recovery by cyclic oxidant starvation
Performance of a fuel cell stack ( 12 ) is recovered following long term decay by connecting ( 51 ) an auxiliary load ( 50 ) to the fuel cell while shutting off one or more of oxidant inlet valve (...
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6838071 |
Process for preparing a H2-rich gas and a CO2-rich gas at high pressure
The present invention comprises a method for production of a CO 2 -rich gas stream and a H 2 -rich gas stream, the method comprising the following steps: a) natural gas and water are fed to a...
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6838199 |
Start up system and method for a fuel cell power plant using a cathode electrode fuel purge
The invention is a start up system and method for a fuel cell power plant ( 10 ) using a purging of the cathode flow field ( 38 ) with a hydrogen rich reducing fluid fuel to minimize corrosion of...
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6833206 |
Auxiliary power supply for a vehicle with a combustion engine and method for operating same
A power supply for an auxiliary power unit APU of a combustion vehicle having a combustion engine includes a fuel cell with a hydrogen input, an oxygen input and an exhaust output, an electrolyzer...
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6833207 |
Unitized regenerative fuel cell with bifunctional fuel cell humidifier and water electrolyzer
A regenerative fuel cell system, comprising an electrolyzer portion and a fuel cell portion; the electrolyzer portion has a closeable hydrogen inlet and a hydrogen outlet in communication with the...
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6830842 |
Hydrogen purged motor for anode re-circulation blower
A fuel cell system that can be used to power a vehicle is disclosed. The system includes a fuel cell stack, which uses hydrogen and an oxidizer to generate electricity, and a re-circulation loop...
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6830844 |
Reversing air flow across a cathode for a fuel cell
A fuel cell assembly having means for providing tempered air to, and removing spent air from, air-flow passages across the cathode. The air flow path includes means for reversing the direction of...
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6830736 |
Apparatus for carrying out a heterogeneously catalyzed reaction
For carrying out a heterogeneously catalyzed reaction, such as the generation of hydrogen from hydrocarbons or alcohol, a reaction mixture comprising a hydrocarbon and water is supplied to a...
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6828048 |
Shut-down procedure for fuel cell fuel processing system
A fuel cell system that includes fuel processing components, such as a reformer and shift converter, for converting an organic fuel to hydrogen, is shut-down by disconnecting the fuel cell from its...
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6824902 |
Process and device for production of electricity in a fuel cell by oxidation of hydrocarbons followed by a filtration of particles
The present invention relates to a process for the production of electricity in a fuel cell from hydrocarbons that includes passing a cooled effluent in a first circuit having at least one filter...
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6821664 |
Method and apparatus for a combined fuel cell and hydrogen purification system
A method includes (1) operating a fuel processing reactor to convert a hydrocarbon into reformate; (2) flowing reformate through a first pressure regulator to reduce the pressure of the reformate;...
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6821662 |
Method and device for recovering water produced by a fuel cell
The device comprises two separators ( 20, 30 ) in series in the outlet portion of the hydrogen circuit each defining at least one inlet chamber ( 21, 31 ) separated, by a hydrophilic filter ( 22,...
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6818334 |
Accelerated hydrogen generation through reactive mixing of two or more fluids
The rate of hydrogen generation in proton-exchange-membrane (PEM) fuel cells is greatly accelerated by mixing a first aqueous alkali borohydride solution with a second aqueous solution in the...
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6811764 |
Hydrogen generation system using stabilized borohydrides for hydrogen storage
A method is provided that generates hydrogen to power a hydrogen consuming device. Hydrogen is stored on-board a motorized vehicle, or the like, in a stabilized slurry of alkali metal borohydride...
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6805984 |
Cooling fan system for a vehicle with fuel cell propulsion
A cooling fan system for a vehicle with fuel cell propulsion, wherein air is moved by means of a cooling fan for cooling purposes through a heat exchanger and can thereafter be supplied to the...
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6800387 |
Fuel cell system and method for operating the same
In a fuel cell system 4 in which electricity is generated by a fuel cell 4 supplied with the hydrogen gas created from a reforming reaction and the electricity is supplied to an external load ...
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6797420 |
Power generation device and operation method therefor
The present invention relates to an electric power generator and its operation method, which electric power generator is equipped with a hydrogen generator, a polymer electrolyte fuel cell for...
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6797418 |
Fuel processor for fuel cell
On the basis of the temperature detected by a temperature detecting sensor, a control section determines whether the fuel processor in a warm up state or a stationary running state. In the...
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6794069 |
Fuel cell support and electrical interconnector
Fuel cells (e.g., air-depolarized fuel cells) are stacked, supported and electrically interconnected into a battery structure with a connector block. The anode and cathode elements of each fuel...
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6790549 |
Fuel cell system with humidity determination
In a polymer electrolyte fuel cell system, a condition of humidification of electrolyte membranes is precisely determined, and adjustment is performed so that the condition of humidification of the...
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6790546 |
Method of heating and humidifying at least one of a fuel stream and an oxidant stream for a fuel cell
A method and apparatus are provided for humidifying fuel, and optionally oxidant, supplied to a fuel cell system, which can be a single fuel cell or a multiplicity of fuel cells. A catalytic...
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6790547 |
Process for reducing coke formation in hydrocarbon processing by application of radio frequency electromagnetic radiation utility
The present invention provides a process for suppressing the formation of metal-containing coke during processing of a hydrocarbonaceous material, such as for example a hydrocarbon conversion...
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6790551 |
Modified redox couple fuel cell cathodes and fuel cells employing same
Fuel cell oxygen electrodes and instant startup fuel cells employing the oxygen electrode. The oxygen electrodes operate through the mechanism of redox couples which uniquely provide multiple...
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6790548 |
Staged venting of fuel cell system during rapid shutdown
A venting methodology and system for rapid shutdown of a fuel cell apparatus of the type used in a vehicle propulsion system. H 2 and air flows to the fuel cell stack are slowly bypassed to the...
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6790550 |
Water control for a fuel cell system
A fuel cell system includes a heat-generation amount detection device for detecting a heat generation amount in a fuel cell, and an evaporation amount controller for controlling an evaporation...
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6783877 |
Fuel reforming apparatus
In a fuel cell system 10 , a cracking unit 20 is provided upstream of a reformer 36 . When the cracking unit 20 is supplied with oxygen and gasoline as a hydrocarbon-based fuel, the gasoline...
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6783879 |
Dynamic fuel processor mechanization and control
A fuel processor control system for a fuel cell stack includes water and fuel metering devices that control water and fuel provided to the fuel processor. An air flow rate sensor generates an air...
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6783878 |
Solid polymer fuel cell system and method for humidifying and adjusting the temperature of a reactant stream
Reactant gas supply streams for solid polymer fuel cells may be heated and humidified using heat generated by the fuel cell and water vapor from the fuel cell exhaust. The heat and water vapor in...
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6783885 |
Low gravity electrochemical cell
An electrochemical cell system includes a hydrogen electrode; an oxygen electrode; a membrane disposed between the hydrogen electrode and the oxygen electrode; and a compartmentalized storage tank....
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6777122 |
Vaporizer temperature control in fuel cell power plant
A fuel cell stack ( 8 ) generates power using hydrogen-rich gas obtained by reforming vaporized methanol in a reformer ( 6 ). The vaporized methanol is generated by vaporizing liquid methanol in a...
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6777125 |
Fuel cell cathode with redox couple
Fuel cell oxygen electrode and instant startup fuel cells employing such oxygen electrode. The oxygen electrode operates through the mechanism of redox couples which uniquely provide multiple...
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6777117 |
Catalysts for water gas shift reaction, method for removing carbon monoxide in hydrogen gas and electric power-generating system of fuel cell
There is provided a catalyst for a water gas shift reaction in a hydrogen gas which is able to effectively remove CO in the hydrogen gas within a broader temperature range. Such a catalyst for the...
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6777123 |
Combustor temperature control of fuel cell power plant
A reformer ( 6 ) generates hydrogen rich gas from vaporized methanol and a fuel cell stack ( 8 ) generates electric power by a reaction of hydrogen rich gas. A combustor ( 10 ) generates heat due...
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6770390 |
Carbon monoxide/water removal from fuel cell feed gas
The present invention is a method for production of a hydrogen-rich fuel gas compatible for a fuel cell, comprising; reforming a hydrocarbon-containing fuel to a CO-containing, hydrogen-rich...
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6767665 |
Method for producing molten salts with an extruder and use of the molten salts
The invention relates to a method for producing molten salts and their mixings, using an extruder. The starting materials are melted and reacted and the products of the reaction are then guided via...
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6767660 |
Distributor system and method for the supply of consumers
Distributor systems supply a stationary fuel-cell system with a combustible via a combustible source. The stationary fuel-cell system is assigned to one or more buildings arranged in a stationary...
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6767661 |
Fuel cell system and method for operating the same
A fuel cell system comprises a medium-circulating passage for supplying, in a circulating manner, a temperature-adjusting medium to a fuel cell stack, and first and second temperature sensors for...
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6764784 |
Standard package design for both atmospheric and pressurized SOFC power generation system
A fuel cell generator apparatus contains at least one fuel cell assembly module with at least one subassembly containing fuel cells, where the subassemblies are fueled at their base by a fuel feed...
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6759155 |
Plate construction of high temperature air-to-air heat exchanger
A fuel cell system including a fuel cell stack, a reformer system, and a waste energy recovery (or heat exchanger) assembly is presented. The waste energy recovery assembly receives an anode supply...
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6759154 |
Water recovery for a fuel cell system
A fuel cell system is disclosed. A fuel cell stack is in fluid communication with a reformer. An air conditioning system is in fluid communication with the reformer. Methods of making and using a...
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6758871 |
Liquid fuel compositions for electrochemical fuel cells
A new fuel composition useful for catalytic fuel cells is made up of at least two components. The primary fuel component is a surface active compound, such as methanol, that is a source of and acts...
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6759156 |
Operating states for fuel processor subsystems
An operational cycle for a fuel processor capable of reforming a fuel, the operational cycle is disclosed. The operational cycle includes: an off state; a manager check state entered into from the...
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6749958 |
Integrated module for solid oxide fuel cell systems
An integrated module includes an afterburner, heat exchanger and fuel processor. The module is thermally integrated solid oxide fuel cell.
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6746789 |
Catalytic humidifier and heater for the fuel stream of a fuel cell
A method and apparatus are provided for humidifying fuel, and optionally oxidant, supplied to a fuel cell system, which can be a single fuel cell or a multiplicity of fuel cells. A catalytic...
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6743537 |
Hydrogen gas generating systems, fuel cell systems and methods for stopping operation of fuel cell system
In a system for generating hydrogen gas by reforming raw material, steam is continuously supplied while the supply of raw material and air to a reforming unit is stopped, so as to purge residual...
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6740438 |
Cooling system for fuel cells
The invention relates to a device with a fuel cell or a stack of fuel cells, wherein one electrode of a fuel cell is separated from an adjoining channel or chamber through which an operating...
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6740435 |
System and method for preparing fuel for fuel processing system
A fuel cell system includes a fuel cell for reacting a hydrogen rich gas; a fuel processor system for converting a hydrocarbon fuel-steam mixture into said hydrogen rich gas; and a system for...
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