|
Match
|
Document |
Document Title |
|
|
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...
|
|
|
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...
|
|
|
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...
|
|
|
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...
|
|
|
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...
|
|
|
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...
|
|
|
7455817 |
Compact fuel processor for producing a hydrogen rich gas
An apparatus for carrying out a multi-step process of converting hydrocarbon fuel to a substantially pure hydrogen gas feed includes a plurality of modules stacked end-to-end along a common axis....
|
|
|
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...
|
|
|
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...
|
|
|
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...
|
|
|
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...
|
|
|
7452619 |
Fuel cell system
A process for producing electricity in a fuel cell which comprises: a) pre-reforming a higher carbon (C2+) hydro-carbon fuel in a pre-reformer under conditions effective to achieve substantially...
|
|
|
7452391 |
Feedforward control processes for variable output hydrogen generators
Hydrogen generators and integrated hydrogen generator/fuel cells systems are operated by determining the condition of the hydrogen generator and the condition of the fuel to the hydrogen generator...
|
|
|
7442461 |
Fuel processing system having gas recirculation for transient operations
A fuel processor system capable of circulating fuel processor system gases, such as reformate, anode exhaust, and/or combustor exhaust, through the fuel processor to provide a number of distinct...
|
|
|
7442217 |
Integrated fuel processor for rapid start and operational control
A fuel processor for rapid start and operational control. The fuel processor includes a reformer, a shift reactor, and a preferential oxidation reactor for deriving hydrogen for use in creating...
|
|
|
7441560 |
Solenoid valve for fuel cell
A diaphragm is clamped between a solenoid unit disposed in a casing and a second valve body in which hydrogen is introduced. A filter comprising a bottomed cylindrical mesh member is mounted in a...
|
|
|
7435490 |
Oxygen getters for anode protection in a solid-oxide fuel cell stack
In a fuel cell assembly, nickel-based anodes are readily oxidized when exposed to oxygen as may happen through atmospheric invasion of the assembly during cool-down following shutdown of the...
|
|
|
7435491 |
Renewable, energetic, nanodimensional dispersion
Fuel cells, and renewable-semi-liquid fuel mixtures, useful as anode materials, for said fuel cells are disclosed. The fuels are comprised in part of materials intercalated with hydrogen, alkali...
|
|
|
7431898 |
Chemical reaction apparatus and power supply system
A chemical reaction apparatus includes a solid body in which a reaction flow path is formed, and a heater having a thin-film heater formed on the body to oppose the reaction flow path and at least...
|
|
|
7432003 |
Mixing tank for fuel cell
A mixing tank for a fuel cell is provided with a container housing fuel for the fuel cell, an absorbent member housed in the container, which has a cavity therein, an inlet flow path...
|
|
|
7432004 |
Fuel cell electric power generating system and method of stopping fuel cell electric power generation
A fuel cell electric power generating system is provided which does not occupy a large space, which requires a lower initial cost for equipment than the prior art, and of which the running cost is...
|
|
|
7432002 |
Method for regeneration of performance in a fuel cell
A process for improved performance in at least one fuel cell, having a loss in power output of at least 5% of an initial power output, wherein the fuel cell comprises a cathode, an anode, an anode...
|
|
|
7422810 |
High temperature fuel cell system and method of operating same
A high temperature fuel cell stack system, such as a solid oxide fuel cell system, with an improved balance of plant efficiency includes a thermally integrated reformer, combustor and the fuel cell...
|
|
|
7422809 |
Method and apparatus for regulating electrical power output of a fuel cell system
A method and apparatus are provided for regulating electrical power output of a fuel cell system comprising a fuel processing system, a system for supplying an oxidant stream, and a fuel cell to...
|
|
|
7416799 |
Oxidizer for a fuel cell system
An oxidizer that is usable with a fuel cell includes a catalyst, an inlet to communicate an oxidant flow, an injection tube to communicate an anode exhaust flow, a mixing tube and a divergent...
|
|
|
7416570 |
Hydrogen generator and fuel cell power generation system
A body of a hydrogen generator includes a reformer configured to generate a reformed gas mainly containing hydrogen, a material passage configured to supply a reforming material, which is a...
|
|
|
7413687 |
Low temperature proton conducting oxide devices
A device for conducting protons at a temperature below 550° C. includes a LAMOX ceramic body characterized by an alpha crystalline structure.
|
|
|
7413824 |
Direct oxidation fuel cell with a divided fuel tank having a movable barrier pressurized by anode effluent gas
The present invention provides improved, low-cost fuel cells having reduced fuel crossover, reduced sensitivity to metal ion impurities and ability to operate under a broad range of temperatures....
|
|
|
7410712 |
Procedure for starting up a fuel cell system using a fuel purge
A procedure for starting up a fuel cell system that is disconnected from its primary load and has both its cathode and anode flow fields filled with air includes initiating a flow of air through...
|
|
|
7410713 |
Integrated fuel cell hybrid power plant with re-circulated air and fuel flow
A hybrid power plant includes at least one fuel cell having a cathode inlet and a cathode outlet in flow communication with the cathode inlet along a re-circulation flow path. A reformer is...
|
|
|
7399328 |
Hydrogen gas station, fuel cell system, and hydrogen gas rate accounting device
A hydrogen gas station is disclosed comprising, a reformer configured to generate a hydrogen-rich reformed gas through reforming reaction of an organic compound, a gas supply port configured to...
|
|
|
7393369 |
Apparatus, system, and method for generating hydrogen
An apparatus, system, and method generate hydrogen through a controlled chemical reaction between water and a chemical hydride. The invention includes a chemical hydride isolated from water by a...
|
|
|
7393384 |
Hydrogen separation using oxygen ion-electron mixed conduction membranes
A process for purification of hydrogen from a stream of synthesis gas or other reformate gases is described. The process, generally conducted at temperatures of approximately 800-1000° C.,...
|
|
|
7371477 |
Exhaust gas processing device for fuel cell
Hydrogen gas supplied to and then purged from a fuel cell is temporarily retained in a reservoir provided in an exhaust fuel diluter, and diluted before release into atmosphere. Cathode exhaust gas...
|
|
|
7368195 |
System and method for early detection of contaminants in a fuel processing system
A system and method for preventing damage to a fuel cell stack resulting from impurities in a hydrogen stream delivered thereto. In some embodiments, the hydrogen stream is a product hydrogen...
|
|
|
7368194 |
Fuel processor feedstock delivery system
A feedstock mixing apparatus for fuel processing systems, and fuel processing and fuel cell systems incorporating the same. A fuel processing system according to the present invention includes one...
|
|
|
7364810 |
Combined energy storage and fuel generation with reversible fuel cells
An electrochemical system includes a reversible fuel cell system which generates electrical energy and reactant product from fuel and oxidizer in a fuel cell mode and which generates the fuel and...
|
|
|
7361199 |
Combined water gas shift reactor/carbon dioxide adsorber for use in a fuel cell system
An apparatus removes CO from a hydrogen-rich gas stream in a hydrogen fuel cell system. CO fouls costly catalytic particles in the membrane electrode assemblies. Both a catalyst adapted to perform...
|
|
|
7354669 |
Operation method and purging system for a hydrogen demand/delivery unit in a fuel cell system
The invention pertains to a process for preventing the freezing of water in a structural component containing at least one moving part in the anode cycle of a fuel cell system, characterized by the...
|
|
|
7344788 |
Starting a fuel cell system using ambient air and a low voltage blower
A mechanization of a fuel cell system and a method of operating the same is provided which simplifies the start-up of the fuel cell system. The fuel cell system can be started up without using any...
|
|
|
7344789 |
Hypergolic hydrogen generation system for fuel cell power plants
The invention provides a controlled hypergolic approach to using concentrated hydrogen peroxide in combination with certain hydrocarbons such as ethanol, methanol, methane as well as more common...
|
|
|
7338727 |
Method of operating a fuel cell to provide a heated and humidified oxidant
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...
|
|
|
7335430 |
Fuel cell system
A fuel cell system having a fuel cell consuming the hydrogen stored in the high-pressure hydrogen tank as fuel gas, a hydrogen supply line connecting the high-pressure hydrogen tank to the fuel...
|
|
|
7332237 |
Stream reforming of solid carbon in protonic ceramic fuel cells
A process for converting a carbon containing fuel and water vapor into a reformate gas that includes hydrogen, carbon monoxide and carbon dioxide, using water molecules that diffuse through a...
|
|
|
7329470 |
Apparatus and method for in situ production of fuel for a fuel cell
Fuel cell fuel supplies having single and multiple compartments for storing and containing fuel cell fuel precursor reagents. These fuel supplies allow storage and packaging of precursors for in...
|
|
|
7326481 |
Fuel cell system
The invention provides a reactant delivery system for a dead-headed PEM fuel cell system, comprising a fuel cell, a fuel supply, a purge valve, an inlet orifice, an outlet orifice, and a...
|
|
|
7326482 |
Apparatus and method for operation of a high temperature fuel cell system using recycled anode exhaust
A method for improving the efficiency of a hydrocarbon catalytic reformer and close-coupled fuel cell system by recycling a percentage of the anode exhaust syngas directly into the reformer in a...
|
|
|
7320836 |
Integral air preheater and start-up heating means for solid oxide fuel cell power generators
A high temperature fuel cell generator ( 10 ) having a housing ( 12 ) containing a top air feed plenum ( 80 ), a bottom fuel inlet ( 54 ), a fuel reaction generator chamber ( 62 ) containing fuel...
|
|
|
7316719 |
Hydrogen generating apparatus
A hydrogen generating apparatus includes a chemical reaction chamber, a chemical solution reservoir, an unpowered pressure-producing member for moving a chemical solution from the chemical solution...
|
|
|
7316859 |
Storage system and method for supplying hydrogen to a polymer membrane fuel cell
A hydrogen storage system and method having a main hydrogen storage site that contains a sufficient amount of hydrogen for a fuel cell employing a polymer membrane to generate power in accordance...
|