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7622213 |
Liquid fuel mixing apparatus and direct liquid feed fuel cell system including the same
A liquid fuel mixing apparatus includes a water chamber, a fuel chamber, and a partition arranged substantially vertically between the water chamber and the fuel chamber. The partition includes a...
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7618727 |
Fuel cell unit, control method for fuel cell unit, and information processing apparatus
In a fuel cell unit, a control method therefor, and an information processing apparatus, a determination is made as to whether or not elapsed time from the last power generation until the present...
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7618598 |
Catalytic reactor/heat exchanger
A catalytic reactor/heat exchange device ( 10 ) is provided for generating a catalytic reaction in a reaction fluid flow ( 12 ) and transferring heat to a cooling fluid flow ( 14 ). The device...
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7615305 |
Fuel reservoir for fuel cell
In order to provide a fuel reservoir for a small-sized fuel cell which is suitably used as an electric power source for portable electronic appliances such as cellular phones, note type personal...
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7615298 |
Thermally integrated fuel cell stack
A thermally integrated fuel cell system includes a stack zone, a burner zone and a low temperature zone. The fuel is combined with steam and passed sequentially through a primary reformer and a...
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7597982 |
Fuel cell system with a gas supply pump that applies negative pressure to the anode and cathode
A fuel cell system is provided with a fuel cell having an anode, a cathode and an electrolyte film put therebetween, a fuel supply unit supplying fuel to the anode and a gas supply unit having a...
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7588626 |
Composite mixed oxide ionic and electronic conductors for hydrogen separation
A mixed ionic and electronic conducting membrane includes a two-phase solid state ceramic composite, wherein the first phase comprises an oxygen ion conductor and the second phase comprises an...
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7585338 |
Hydrogen generating apparatus
Hydrogen is generated in a reactor, of a hydrogen generating apparatus, in which a catalyst is installed and the catalyst and a borohydride fuel are reacted. The hydrogen generating apparatus...
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7579097 |
Fuel cell voltage feedback control system
A method and apparatus according to the present invention controls current that is supplied to a load by a fuel cell stack. A minimum voltage of a plurality of fuel cells in a fuel cell stack is...
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7578870 |
Fluid separating device
A fluid separator device allows for introducing air entrained in a liquid flow to a centrifugal pump in a manner that will not allow the pump to become gas bound. One example device designed...
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7575822 |
Method of optimizing operating efficiency of fuel cells
A method of operating a fuel cell electrochemical system includes receiving at least one of a cost of electricity and a cost of fuel and adjusting at least one of an operating efficiency and...
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7572531 |
Fuel reformer system with improved water transfer
The present invention provides a hydrocarbon fuel reformer systems that improve the recovery and utilization of the water vapor and/or the heat energy within the reformer system. In a preferred...
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7569294 |
Modular portable battery charging system using hydrogen fuel cells
Battery charging system comprising a hydrogen source module adapted to provide gaseous hydrogen; a hydrogen fuel cell power module comprising a hydrogen fuel cell and a power delivery outlet unit...
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7563525 |
Electric reaction technology for fuels processing
A method and apparatus for producing hydrogen is disclosed wherein a hydrocarbon gas is fed into an electric reaction technology system to decompose the hydrocarbon gas to hydrogen gas and carbon...
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7563523 |
Fuel cell start-up method, fuel cell system and vehicle equipped with same
The invention relates to a fuel cell start-up method, said fuel cell comprising numerous cells which are supplied by a reformer ( 10 ). According to the invention, when the reformer is cold,...
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7556872 |
Adsorbent for removing sulfur compound, process for producing hydrogen and fuel cell system
The present invention provides an adsorbent for removing sulfur compounds, which adsorbent can effectively remove a variety of sulfur compounds contained in a hydrocarbon fuel to a low...
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7553569 |
Dynamic cathode gas control for a fuel cell system
A fuel cell system utilizes at least one flow restricting device to vary the stoichiometric quantity of cathode reactant flowing to two discrete cathode sides of the fuel cell system. The varying...
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7553568 |
High efficiency load-following solid oxide fuel cell systems
Enhanced high temperature fuel cell systems, such as solid oxide fuel cell systems and molten carbonate fuel cell systems are disclosed. Embodiments of the disclosure include solid oxide and molten...
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7553352 |
Method for the controlled storage and release of gases using an electrochemically produced crystalline, porous, organometallic skeleton material
The present invention relates to a method of absorbing and/or storing gases, in which the gas to be stored is brought into contact with an electrochemically prepared metal-organic framework under...
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7547485 |
Power generation unit and fuel cell
The present invention is to provide a power generation unit successful in equalizing flow rates of fluids flowing through individual flow paths of a power generation cell, and is to provide a fuel...
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7544434 |
Direct liquid fuel cell power generating device and method of controlling the same
A direct liquid fuel cell power generating device of the invention comprise an anode electrode, a cathode electrode, an electrolyte membrane held by the anode electrode and the cathode electrode,...
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7544431 |
Regulated hydrogen production system
A production system includes a reaction chamber having an inlet and outlet, a gas collection chamber coupled with the reaction chamber and a regulator coupled to the gas collection chamber. The...
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7544429 |
Membraneless and mediatorless microbial fuel cell
Disclosed is a mediator-less microbial fuel cell comprising a cathode compartment, an anode compartment, with or without glass wool and glass bead for separating the two compartments, an element...
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7533700 |
Dual use hydrocarbon fuel composition
A hydrocarbon fuel composition which is suitable for sue in a fuel cell apparatus and an internal combustion engine comprises at least one saturated aliphatic hydrocarbon having 4 to 12 carbon...
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7531257 |
Fuel cell system programmed to control reactant gas flow in a gas circulation path
A fuel cell system includes a fuel cell for generating power by being supplied with a fuel gas and an oxidizing gas, a fuel gas supply path for supplying a fuel gas to the fuel cell, a fuel off-gas...
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7527884 |
Fuel processing system and its shutdown procedure
A fuel cell system comprises a fuel cell including an anode and cathode, a fuel reformer, and a water gas shift reactor. The fuel cell system is shutdown by shutting down electrical generation and...
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7524344 |
Carbon monoxide adsorption for carbon monoxide clean-up in a fuel cell system
An apparatus removes carbon monoxide (CO) from a hydrogen-rich gas stream in a hydrogen fuel cell system. CO fouls costly catalytic particles in the membrane electrode assemblies of proton exchange...
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7521140 |
Fuel cell system with electrokinetic pump
A fuel cell system having a fuel cell, the fuel cell having a membrane-electrode assembly; a fuel reservoir containing a liquid fuel; a conduit coupling the fuel reservoir to the fuel cell; and an...
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7521139 |
Thermal management of fuel cells
A method for the thermal management of a fuel cell, which method comprises: processing a fuel supply stream in an autothermal reformer to produce a fuel cell supply stream comprising a...
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7514165 |
Fuel cell system fluid recovery
A system and method are provided for fluid collection within a fuel cell system. The fluid collection device includes a fluid collection container which has a gas inlet, a gas outlet, at least one...
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7504015 |
Method and device for producing oxygen
The invention relates to a method and a device for producing elementary oxygen or for increasing the concentration thereof in the inhaled air of a user. According to the invention, water is split...
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7503946 |
Autooxidation internal heating type steam reforming system
The system is a self-oxidation internal heating steam reforming system for conducting self-oxidation of a raw material gas under the presence of oxygen and conducting steam reforming to generate a...
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7497882 |
Method of operating a fuel cell
A method of generating hydrogen for use in a fuel cell system, which comprises processing a fuel which is essentially free of organic sulfur-containing compounds to produce a hydrogen-containing...
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7491455 |
Method to startup a fuel cell stack without battery derived compressor power
A method of providing fuel cell start-up without battery derived compressor power is provided. The method includes introducing hydrogen to the anode inlet of a fuel cell stack previously purged...
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7485388 |
Fuel cell
A fuel cell including at least a membrane electrode assembly (MEA), a pipe, a pump and a linkage arrangement is provided. The MEA includes an anode layer, a cathode layer and an electrolyte layer...
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7485380 |
Fuel cell power plant used as reformate generator
A method for operating a fuel cell power plant to provide end-use electricity, end-use heat and end-use reformate includes the steps of providing a fuel cell power plant that consumes reformate to...
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7482085 |
Apparatus for improving the cold starting capability of an electrochemical fuel cell
An electric power generation system has elements that improve the cold start capability and freeze tolerance of a constituent fuel cell stack cooperate to reduce the amount of water remaining...
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7482078 |
Co-production of hydrogen and electricity in a high temperature electrochemical system
A high temperature electrochemical system, such as a solid oxide fuel cell system, generates hydrogen and optionally electricity in a fuel cell mode. At least a part of the generated hydrogen is...
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7482076 |
Fuel cell stack humidification method incorporating an accumulation device
A method of fuel cell stack humidification is provided incorporating the use of an accumulation device. The method provides for feeding back humid anode exhaust gas of the fuel cell stack to the...
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7482075 |
Reforming apparatus for fuel cell, fuel cell and operation method of fuel cell
In a reforming method for a high temperature type fuel cell in which dimethyl ether is used as fuel gas, and a gas containing hydrogen and carbon monoxide produced by reacting dimethyl ether with...
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7479337 |
Fuel cell shutdown and startup using a cathode recycle loop
A method and device for operating a fuel cell system. A recirculation loop coupled to a fuel cell cathode ensures that fluids passing through the cathode are recycled, thereby enabling reaction...
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7479336 |
Gas control and operation method of a fuel cell system for water and gas distribution
A gas control and operation method of a fuel cell system for improved water and gas distribution is disclosed. The present invention provides for a mechanization of a fuel cell system that allows...
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7468215 |
Self-starting fuel cell assembly
A self-starting fuel cell assembly and methods of starting fuel cells are disclosed. In at least certain examples, the fuel cell assembly can be configured to supply voltage to a fuel source, an...
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7465505 |
Power supply system, fuel pack constituting the system, and device driven by power generator and power supply system
A fuel pack with a space for storing a fuel is provided which includes a case, wherein the case includes a feed port for exhausting the fuel to outside of the fuel pack, and at least a portion of...
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7465504 |
Direct oxidation fuel cell and system operating on concentrated fuel using low oxidant stoichiometry
A direct oxidation fuel cell system includes a membrane electrode assembly (MEA), a high concentration fuel and an oxidant source. Embodiments include a controller for adjusting the oxidant...
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7459224 |
Methods, apparatus, and systems for producing hydrogen from a fuel
Methods and apparatus for producing hydrogen are provided. The methods and apparatus utilize reforming catalysts in order to produce hydrogen gas. The reforming catalysts may be platinum group...
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7455924 |
Water vapor transport power generator
An improved system for generating electrical power using a fuel cell. More particularly, a system for generating hydrogen gas by reacting water vapor with a substantially non-fluid substance and...
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7455923 |
Fuel supply assembly for supplying propane fuel to a fuel cell assembly and fuel cell system employing same
A fuel supply assembly which receives a supply of liquid fuel feedstock including hydrocarbons having higher and lower hydrocarbon content and high molecular weight sulfur-containing compounds, the...
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7455922 |
Energy utilization apparatus and energy utilization method
An energy utilization apparatus includes: an endothermic reaction device for performing dehydrogenation endothermic reaction of an organic compound; a compression device for pressurizing a first...
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7455921 |
Fuel cell system having reformer temperature maintenance system and control method thereof
A fuel cell system comprises a reformer ( 8 ) which produces reformate gas containing hydrogen using gas containing oxygen and raw material vapor, and a fuel cell ( 9 ) which generates power by...
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