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| Number | Title | Issue Date |
| 7803473 | Integrated power plant and system and method incorporating the same A system and method for producing electricity is described. The system comprises a fuel cell assembly. The system may comprise a steam turbine and a generator. The fuel cell assembly may be used to provide heat to produce the steam used to power the steam turbine. T... | 09/28/2010 |
| 7794892 | Polymer electrolyte fuel cell and manufacturing method for electrode-membrane-frame assembly A MEA-frame assembly is arranged in a mold for injection molding to form a first flow passage arranged so as to extend along the outer periphery of an electrode between the outer periphery of the electrode and the inner periphery of a frame, a second flow passage ar... | 09/14/2010 |
| 7790329 | Polymer electrolyte fuel cell and manufacturing method for electrode-membrane-frame assembly A MEA-frame assembly is arranged in a mold for injection molding to form a first flow passage arranged so as to extend along the outer periphery of an electrode between the outer periphery of the electrode and the inner periphery of a frame, a second flow passage ar... | 09/07/2010 |
| 7754364 | PEM fuel cell system with a porous hydrophobic plug for maintaining system back pressure and methods for designing the plug and for designing systems for using the plug A polymer electrolyte membrane (PEM) fuel cell power plant is cooled evaporatively by a non-circulating pressurized water coolant system. The coolant system utilizes a hydrophobic porous plug for bleeding air from the coolant water while maintaining coolant back pre... | 07/13/2010 |
| 7749628 | Thermally integrated SOFC system 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 secondary reformer. Air is split into two parallel streams and preheated... | 07/06/2010 |
| 7732074 | Fuel cell system The fuel cell system is equipped with a fuel cell for generating power by chemically reacting a fuel gas supplied to an anode and an oxygen containing gas supplied to a cathode; an anode off-gas discharge mechanism for discharging an anode off-gas from the anode; a ... | 06/08/2010 |
| 7727649 | Polymer electrolyte fuel cell system A polymer electrolyte fuel cell comprises a fuel cell stack and a humidifier. The fuel cell stack includes plural cells in which each cell has a pair of electrodes and a proton-conductive electrolyte membrane arranged between the pair of electrodes, wherein an oxida... | 06/01/2010 |
| 7722973 | Fuel cell A membrane electrode assembly is constituted of a solid electrolyte membrane 1 made of a polymeric material, and a fuel electrode 2 and an air electrode 3 which are disposed on both sides of the solid electrolyte membrane 1. A porous memb... | 05/25/2010 |
| 7718291 | Fuel cell stack end cell control methodology A method of controlling the relative humidity in an electrochemical conversion device comprises the steps of: providing a fuel cell stack comprising a plurality of fuel cells stackingly arranged, and at least one heater coupled to at least one end fuel cell; selecti... | 05/18/2010 |
| 7713643 | Fuel cell stack A collector plate (14) is connected to an output terminal (16). The collector plate (14) is made such that heat capacity per unit area of a neighboring region (14A) thereof, which is near to a portion where the output terminal (16)... | 05/11/2010 |
| 7704620 | Laminar bypass for cascaded stack A fuel cell stack that includes cascaded stack stages and tube bundle flow restrictions for providing a cathode input gas to each stage in the stack. The stack includes a first flow pipe for providing cathode gas flow to a first stage of the plurality of stages of t... | 04/27/2010 |
| 7691512 | Fuel-cell power-generation system and method A condenser condenses an unused exhaust gas exhausted from a fuel cell and recovers water, condensation-capacity detection means always monitors the condensation capacity of the condenser, control means controls an output of heat-transport-medium circulation means, ... | 04/06/2010 |
| 7691511 | Fuel cell having coolant flow field wall A power generation cell includes a membrane electrode assembly, with an anode side metal separator and a cathode side metal separator sandwiching the membrane electrode assembly. Flow field walls are provided within the coolant flow field for preventing coolant from... | 04/06/2010 |
| 7687172 | Fuel cell system A fuel cell system includes a fuel cell stack. The fuel cell stack includes a plurality of fuel cells stacked together in a stacking direction, and end plates provided at opposite ends of the fuel cells in the stacking direction. A fluid unit is provided on one side... | 03/30/2010 |
| 7678483 | Catalyst assembly for use in anode gas oxidizing systems of high temperature fuel cells An oxidizer catalyst assembly for use in a fuel cell system for oxidizing anode exhaust gas and in which a first catalyst member is situated along a gas flow path and a second catalyst member is situated along the gas flow path following the first catalyst member. E... | 03/16/2010 |
| 7674542 | Fuel cell system A fuel cell system includes a stack for generating electricity through an electrochemical reaction between hydrogen and oxygen, a fuel supply unit for supplying fuel to the stack, an air supply unit for supplying air to the stack, and a vaporizing unit connected wit... | 03/09/2010 |
| 7670702 | Coolant mixture separator assembly for use in a polymer electrolyte membrane (PEM) fuel cell power plant A liquid-gas separator assembly is used in separating gas bubbles from a liquid coolant which liquid coolant is used in a polymer electrolyte membrane (PEM) fuel cell power plant. The assembly includes a cylindrical housing containing a central tube which is surroun... | 03/02/2010 |
| 7666536 | Membrane electrochemical generator The present invention relates to a membrane electrochemical generator (200) formed by a multiplicity of reaction cells (201) mutually connected in electrical series and assembled according to a bipolar configuration. In accordance with the present inve... | 02/23/2010 |
| 7662496 | Fuel cell cooling system and method for controlling circulation of cooling liquid in fuel cell A cooling system for a fuel cell is provided with a cooling apparatus that regulates the temperature of the fuel cell by supplying the fuel cell with a cooling liquid via a cooling liquid passage by means of a water pump; an impurity-removing device which is provide... | 02/16/2010 |
| 7659020 | Power supply plate for a coplanar circuit fuel cell The bipolar plate is thinner because it includes in a single plane all of the channels (21) for circulation of the oxidiser, the fuel and the coolant fluid (41). The feed plate, which is preferably made of a composite material, has on each of it... | 02/09/2010 |
| 7659022 | Integrated solid oxide fuel cell and fuel processor An integrated fuel cell unit (10) includes an annular array (12) of fuel cell stacks (14), an annular cathode recuperator (20), an annular anode recuperator (22), a reformer (24), and an anode exhaust cooler (26), all... | 02/09/2010 |
| 7659021 | Power generating apparatus using solid oxide fuel cell The present invention relates to a power generating apparatus using a solid oxide fuel cell. A plurality of solid oxide fuel cells, each comprising a solid oxide substrate, a porous cathode electrode layer, and a porous anode electrode layer, are stacked vertically ... | 02/09/2010 |
| 7641995 | Heat exchanger for a heating system with integrated fuel cells for the production of electricity Please substitute the following version of the Abstract, with changes shown by strikethrough (for deletions) or underlining (for added matter). The heat exchanger (I) is provided for a heating system with integrated fuel cells (Z) for the production of electricity a... | 01/05/2010 |
| 7641996 | Fuel cell A fuel cell capable of improving heat exchange efficiency with respect to tubular fuel cells is provided. A fuel cell includes a hollow electrolyte membrane, hollow electrodes arranged on an inside and an outside of the electrolyte membrane, respectively, and an int... | 01/05/2010 |
| 7629068 | Aircraft having integrated electrochemical supply system An aircraft includes a supply system with an electrochemical reactor for generating energy, hydrogen, oxygen and clear water from grey water, a hydrocarbon containing fuel and air, so that the up to now separated systems for supply of clear water, generation of ener... | 12/08/2009 |
| 7625649 | Vapor feed fuel cells with a passive thermal-fluids management system The invention provides a fuel cell system, such as a direct methanol fuel cell (DMFC) that uses passive approaches to thermal-fluids management. In accordance with one embodiment of the invention, a fuel cell is provided that uses a passive fuel delivery system. In ... | 12/01/2009 |
| 7615299 | Method and apparatus for thermal, mechanical, and electrical optimization of a solid-oxide fuel cell stack A solid-oxide fuel cell stack assembly comprising a plurality of sub-stacks, preferably two sub-stacks each containing one-half the total number of fuel cells. Cathode air and fuel gas are passed through the first sub-stack, wherein they are partially reacted and al... | 11/10/2009 |
| 7615297 | Fuel cell A fuel cell of the invention has a hydrogen permeable metal layer, which is formed on a plane of an electrolyte layer that has proton conductivity and includes a hydrogen permeable metal. The fuel cell includes a higher temperature zone and a lower temperature zone ... | 11/10/2009 |
| 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 secondary reformer or a radiative fuel heat exchanger. Air may be passed... | 11/10/2009 |
| 7611787 | Colorant treated ion exchange resins, method of making, heat transfer systems and assemblies containing the same, and method of use Disclosed is a colorant treated ion exchange resin comprising at least 15% of exchangeable groups comprising at least one of an ion, a Lewis acid, or a Lewis base resulting from a colorant having a pKa or pKb of greater than 5 in an aqueous sol... | 11/03/2009 |
| 7611788 | Fuel cell stack This fuel cell stack includes: a coolant-supplying penetration hole and a coolant-discharging penetration hole each communicating with a coolant passage and each penetrates unit fuel cells in a stacking direction. A coolant-supplying penetration hole and a coolant-d... | 11/03/2009 |
| 7611789 | Energy storage system A closed loop energy storage system configured with a hydrogen tank, an oxygen tank, a fuel cell stack and an electrolyzer. A heat exchanger freeze-dries the hydrogen and oxygen prior to their storage in their respective tanks. The heat exchanger also uses excess fu... | 11/03/2009 |
| 7604885 | Fuel cell system with partial heating of each individual fuel cell A fuel cell system includes a fuel cell constructed by plural stacked cells, a circulation path through which a thermal medium is circulated into each cell, a heater for heating the thermal medium, a bypass path through which the thermal medium is circulated into a ... | 10/20/2009 |
| 7595124 | Integrated fuel cell hybrid power plant with controlled oxidant flow for combustion of spent fuel A hybrid power generation system for generating electrical power comprises a compressor for producing a compressed oxidant and a recuperator in flow communication with the compressor. The hybrid power generation system further comprises a fuel cell assembly comprisi... | 09/29/2009 |
| 7592083 | Integrated air supply with humidification control for fuel cell power systems A fluid delivery device for an electrochemical conversion assembly. In one embodiment, the electrochemical conversion assembly is a fuel cell system. The device includes one or more fluid-manipulating components combined into a housing to minimize weight, size and c... | 09/22/2009 |
| 7592084 | Aeroplane drink dispenser A drink dispenser which is particularly suitable for use on board a passenger plane, comprises a drink preparation unit and a supply unit. The supply unit has a fuel cell system with a fuel cell and is configured to supply the drink preparation unit with water, elec... | 09/22/2009 |
| 7588849 | Solid-oxide fuel cell system having tempering of fuel cell stacks by exhaust gas In a solid-oxide fuel cell system, a fuel/air manifold conveys air and tail gas fuel from the anodes in a fuel cell stack assembly to a tail gas combustor, producing a heated combustor exhaust having the highest mass flow in the system. The exhaust is passed through... | 09/15/2009 |
| 7579098 | Fuel cells evaporative reactant gas cooling and operational freeze prevention Fuel cells (38) have water passageways (67; 78, 85; 78a, 85a) that provide water through reactant gas flow field plates (74, 81) to cool the fuel cell. The water passageways may be vented to atmosphere (99), by a poro... | 08/25/2009 |
| 7579099 | Fuel cell having heat exchanger built in stack A fuel cell having a heat exchanger that has a structure suitable for reducing space occupancy of the fuel cell. The fuel cell includes a stack where a chemical reaction for transforming chemical energy of a fuel into electricity occurs and a heat exchanger that rem... | 08/25/2009 |
| 7556873 | Fuel cell system Coolant passages (11a, 11b) are provided in unit cells (17a, 17b) which form a laminate (170) of the unit cells (17a, 17b). A coolant supply manifold (12) which distrib... | 07/07/2009 |
