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5248567 |
Power generation plant including fuel cell
A fuel cell power plant comprised of a fuel cell main unit to which a fuel is supplied, a containment vessel for housing the fuel cell main unit; a purge gas supply pipe for introducing a purge gas...
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5248566 |
Fuel cell system for transportation applications
A propulsion system for a vehicle having pairs of front and rear wheels and a fuel tank. An electrically driven motor having an output shaft operatively connected to at least one of said pair of...
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5232793 |
Method of and apparatus for utilizing and recovering CO.sub.2 in combustion exhaust gas
A method of recovering carbon dioxide gas from the combustion exhaust gas of fossil fuel, using a combustion equipment, wherein fuel gas is supplied to an anode chamber of a molten carbonate fuel...
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5221586 |
Power generation system using fuel cells
The power generation system includes a reformer and two fuel cell stacks. The reformer and the fuel cell stacks are provided in series. Fuel gas produced by the reformer is introduced to a first...
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5219671 |
Hydrogen generation and utility load leveling system and the method therefor
Disclosed are an apparatus and method for the electrolytic, thermal, and photolytic production of hydrogen and oxygen. In the first step of the cycle a concentrated hydrohalic acid solution is...
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5208113 |
Power generation method using molten carbonate fuel cells
The method of producing electrical power using a molten carbonate fuel cell, a reformer and a CO 2 separator, comprises the steps of: introducing oxidizing gas to a cathode of the fuel cell;...
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5202195 |
Method of and arrangement for replenishing hydrogen consumed by a fuel cell device
An arrangement for replenishing hydrogen consumed in a fuel cell device includes a reaction vessel that contains a quantity of a material that releases hydrogen on contact with water in a highly...
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5198310 |
Thermal management in fuel cell system by feed gas conditioning
A process for thermal management by feed gas conditioning in high temperature fuel cell systems wherein at least a portion of a fuel feed stream is chemically reacted in an exothermic chemical...
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5175061 |
High-temperature fuel cells with oxygen-enriched gas
In high-temperature fuel cells based on an ion-conducting electrolyte, wherein hydrogen and oxygen are converted into water, the cathode of the fuel cell is supplied with oxygen-enriched gas from...
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5156925 |
Hydrogen removal system for metal/air cell
A metal/air fuel cell is described in which hydrogen is effectively removed from a cell stack and electrolyte storage tank without emitting caustic vapor or mist. The fuel cell comprises: (a) a...
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5156926 |
System for generating electric energy from fuels having electrochemically acting fuel cells
The invention relates to a system for generating electric energy from fuels by means of electrochemically acting fuel cells. In order to achieve an operation of a system which is efficient and not...
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5149600 |
Fuel cell electricity generation process
The present invention provides an improved fuel cell electricity generation rocess which includes a desulfurizer, an adsorber, a reformer, a shift converter, and a fuel cell wherein reformed gas...
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5147735 |
Method of operating a solid electrolyte fuel cell
In a method of operating a solid electrolyte fuel cell using a light hydrocarbon such as a natural gas, naphtha or the like as the fuel oxygen-enriched air is passed to the air electrode side and a...
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5143800 |
Electrochemical cell apparatus having combusted exhaust gas heat exchange and valving to control the reformable feed fuel composition
An electrochemical apparatus (10) is made having a generator section (22) containing electrochemical cells (16), a fresh gaseous feed fuel inlet (28), a gaseous feed oxidant inlet (30), gaseous...
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5141604 |
Dehydrogenation reaction utilizing mobile atom transmissive membrane
The present invention involves a method of chemically removing a mobile atom from a mobile atom-containing reactant molecule. The method includes: (a) absorbing the mobile atom-containing reactant...
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5139895 |
Hydrogen thermal electrochemical converter
A system for converting heat energy into electricity includes a conversion cell comprising a pair of spaced-apart electrodes having an electrolyte therebetween. The electrolyte is selected to pass...
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5134043 |
Operation method for power generation system using fuel cell
Anode gas is fed to an anode chamber of a molten carbonate fuel cell and cathode gas is fed to a cathode chamber of the fuel cell. CO 2 is separated from gases discharged from the cathode chamber...
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5112702 |
Electrochemical synthesis of H.sub.2 O.sub.2
This invention concerns improved processes for the synthesis of H 2 O 2 by means of the electrochemical reduction of oxygen in the presence of acid and halide, preferably bromide, conducted in an...
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5094926 |
Electric power producing system using molten carbonate type fuel cell
An electric power producing system using a molten carbonate type fuel cell, comprises a fuel cell whose anode chamber is provided with hydrogen gas and whose cathode chamber is provided with air...
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5087534 |
Gas-recirculating electrode for electrochemical system
An electrode apparatus for use in an electrochemical cell, which permits hydrogen gas generated at the cathode to be recirculated directly to the anode. The electrode apparatus comprises: (a) an...
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5079103 |
Fuel cells with hydrogen recycle
In high-temperature fuel cells, for example the solid oxide fuel cell (SOFC) and molten carbonate fuel cell (MCFC), anode waste gases containing hydrogen and carbon dioxide are separated from the...
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5077148 |
Fully internal manifolded and internal reformed fuel cell stack
A fully internally manifolded fuel cell stack is provided by each separator plate and electrolyte in the fuel cell stack having a plurality of aligned perforations forming gas manifolds extending...
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5071718 |
Use of sulfur containing fuel in molten carbonate fuel cells
A process for production of electricity in molten carbonate fuel cells using a sulfur contaminated fuel gas wherein anode polarization is reduced by use of a porous anode of greater than about 10...
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5068159 |
Electric power producing system using molten carbonate type fuel cell
A fuel gas reformed in a reformer is fed to the anode electrode of a molten carbonate type fuel cell and is used for electrochemical reaction therein, the gas discharged from the anode electrode is...
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5064733 |
Electrochemical conversion of CO.sub.2 and CH.sub.4 to C.sub.2 hydrocarbons in a single cell
A solid electrolyte electrochemical cell and process for concurrent gas phase electrocatalytic oxidative dimerization of methane at one side of the solid electrolyte and reduction of carbon dioxide...
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5059494 |
Fuel cell power plant
Pressure differential 6 between cathode 2 and anode 3 is controlled by valve 24, 26 of valve complex 20. The complex 20 is located within anode recirculation loop 8, 9, 3, 20 whereby...
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5045414 |
Reactant gas composition for fuel cell potential control
A fuel cell (10) system in which a nitrogen (N 2 ) gas is used on the anode section (11) and a nitrogen/oxygen (N 2 /O 2 ) gaseous mix is used on the cathode section (12) to maintain the cathode...
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5043232 |
Fuel Preheating for a fuel processing system of a fuel cell power plant
Heat exchanger 4 operates in counterflow relationship to cool reformed gas and to heat raw gas during operation with gaseous raw fuel feed. It also operates in counterflow relationship when...
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5041197 |
H.sub.2 /C.sub.12 fuel cells for power and HCl production - chemical cogeneration
A fuel cell for the electrolytic production of hydrogen chloride and the generation of electric energy from hydrogen and chlorine gas is disclosed. In typical application, the fuel cell operates...
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5013617 |
Air ejector system for fuel cell passivation
A fuel cell (10) system in which a nitrogen (N 2 ) gas is used on the anode section (11) and a nitrogen/oxygen (N 2 /O 2 ) gaseous mix is used on the cathode section (12) to maintain the cathode...
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5006424 |
Battery using a metal particle bed electrode
A zinc-air battery in a case including a zinc particle bed supported adjacent the current feeder and diaphragm on a porous support plate which holds the particles but passes electrolyte solution....
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4997725 |
Electrocatalytic oxidative dimerization of methane
A solid oxide fuel cell and process for direct conversion of natural gas into DC electricity concurrently with the electrocatalytic partial oxidation of methane to C 2 hydrocarbon species C 2 H 4...
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4994331 |
Fuel cell evaporative cooling using fuel as a carrier gas
Removal of waste heat from a fuel cell is necessary for continuous operation. Evaporation, can be used to remove the heat produced by the exothermic reaction within the fuel cell. Water sprayed...
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4988283 |
Fuel cell power generating apparatus and method for controlling the apparatus
An electric power supplied to an electric load (24) is determined and the current (i FC ) outputted from a fuel cell part (7) is controlled in accordance with a load power signal (701) which...
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4973528 |
Fuel cell generating plant
A fuel cell power plant has an auxiliary burner (40) to supplement input to the turbo compressor (22). Gas line 44 to the burner contains a check valve (62) and an accumulator (64) downstream of...
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4965143 |
Shutdown method for fuel cell system
An improved system for shutting down a fuel cell that cools the reformer catalyst bed by continuing to supply unreformed fuel to the catalyst bed after the supply of heat to the evaporator is...
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4963443 |
Fuel cell system and the method for operating the same
A fuel cell system in which fuel gas is supplied from a fuel gas reformer to a fuel electrode, while oxidizing gas is supplied from the air blower to a oxidizer electrode. The fuel cell system...
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4956244 |
Apparatus and method for regenerating electrolyte of a redox flow battery
Deteriorated positive electrolyte containing Fe 3 /Fe 2 + ions for a redox flow battery is regenerated in a negative electrolyte chamber of an electrolyte regenerating apparatus. For this purpose,...
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4946750 |
Process for generating electricity
The invention is directed to a process for generating electricity from a fuel on the basis of one or more hydrocarbons, which comprises catalytically converting said fuel into a CO and H 2 ...
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4925745 |
Sulfur tolerant molten carbonate fuel cell anode and process
Molten carbonate fuel cell anodes incorporating a sulfur tolerant carbon monoxide to hydrogen water-gas-shift catalyst provide in situ conversion of carbon monoxide to hydrogen for improved fuel...
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4921765 |
Combined goal gasifier and fuel cell system and method
A molten carbonate fuel cell is combined with a catalytic coal or coal char gasifier for providing the reactant gases comprising hydrogen, carbon monoxide and carbon dioxide used in the operation...
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4920015 |
Electrochemical H.sub.2 S conversion
A solid oxide fuel cell having an electrocatalytic anode of A 1 +x B 2 -x S 4 thiospinel wherein A and B are metallic, 0<x<0.2 and S is sulfur, thermally stable at cell operating...
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4910099 |
Preventing CO poisoning in fuel cells
Proton exchange membrane (PEM) fuel cell performance with CO contamination of the H 2 fuel stream is substantially improved by injecting O 2 into the fuel stream ahead of the fuel cell. It is...
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4902586 |
Once through molten carbonate fuel cell system
A molten carbonate fuel cell system wherein the cathode effluent gases are utilized in an autothermal autothermal reformer, and the anode gas is not recycled.
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4894298 |
Alkali and halogen rechargeable cell with reactant recombination
An alkali metal plus halide electrical battery cell of, for example, the sodium and sulfuryl chloride type is disclosed. The disclosed cell provides accommodation for cell chemical reaction...
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4882240 |
Closed cycle electrical power system
Hydrogen gas is generated on demand by reacting hydrochloric acid (haloacid) and a pure metal by flowing the acid upwardly through a bed of metal particles held on a distributor plate within a...
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4879189 |
Fuel cell air pressurization system and method
Pressurization air systems in a multimodule fuel cell power plant are interconnected to provide improved power plant operating efficiency at part load. Each power generation module air...
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4865926 |
Hydrogen fuel reforming in a fog cooled fuel cell power plant assembly
The power section of a phosphoric acid fuel cell power plant is cooled by injection of water droplets or fog into the anode gas stream exhaust, wherein the water droplets are vaporized. The anode...
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4859545 |
Cathode flow control for fuel cell power plant
A system and method for regulating the total oxygen content entering the cathode side of a fuel cell stack at less than full power depends on measurement of: oxygen partial pressure in the cathode...
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4857419 |
Method of operating zinc-halogen secondary battery
In recharging a zinc-halogen secondary battery or battery, zinc dendrite is readily formed on the negative electrode and therefore it has been difficult to form a uniformly thick zinc layer on the...
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