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Chemistry: Electrical Current Producing Apparatus, Product, And Process > Fuel Cell, Subcombination Thereof Or Methods Of Operating

Fuel Cell, Subcombination Thereof Or Methods Of Operating

Fuel Cell, Subcombination Thereof Or Methods Of Operating patent applications listed are from June 2005 to current and include Date, Patent Application Number, Patent Title, Patent Abstract summary and are linked to the corresponding patent application page.

05/03/07 - 20070099035 - Polymer electrolyte membranes (pems) based on imidazole ring terminated flexible branches grafted on hybrid inorganic-organic polymers
A composition of matter comprises a polymer network, including silicon atoms and oxygen atoms, a first organic side-chain attached to at least some silicon atoms within the polymer network comprising a flexible linking group and a terminal group, the terminal group including at least one atom providing a lone pair ...

04/05/07 - 20070077461 - Drug delivery from electroactive molecularly imprinted polymer
A device delivers a chemical or biological agent, the device comprises an imprint molecule (IM) to be delivered by the device; an electroactive molecularly imprinted polymer (EMIP) imprinted with the imprint molecule, the EMIP having a plurality of binding sites capable of binding the imprint; and an electric potential producing ...

04/05/07 - 20070077460 - Metal-supported porous carbon film, fuel cell electrode and fuel cell employing the electrode
A metal-supported porous carbon film wherein metal fine particles with a mean particle diameter of 0.7-20 nm are dispersed and supported on pore surface walls, fuel cell electrodes employing the metal-supported porous carbon film, a membrane-electrode assembly comprising the fuel cell electrodes bonded on both sides of a polymer electrolyte ...

04/05/07 - 20070077459 - Compressor-expander with high to idle air flow to fuel cell
Fuel cell or other combustor apparatus which utilizes a compressor as a source of compressed air. The exhaust is routed to a expander turbine which partially powers the compressor and is on a common shaft therewith. The shaft is borne by hydrodynamic foil bearings. In order to maintain a high ...

03/01/07 - 20070048556 - Solid state detector for recording x-ray images
In order to make it easier to use solid state detectors, in particular mobile and wireless solid state detectors, a solid state detector for recording digital X-ray images is provided. The detector includes a physically integrated power supply device based on at least one fuel cell, for example a hydrogen/oxygen ...

03/01/07 - 20070048555 - Oxidation facilitator
Fuel oxidation facilitators for use in electrochemical devices are described, as well as devices incorporating facilitators and methods of their use. Exemplary facilitators separate a liquid anode of a fuel cell from fuel supplied to the fuel cell, and facilitate oxidation of the fuel. ...

02/22/07 - 20070042236 - Modular fuel cell power system, and technique for controlling and/or operating same
There are many inventions described and illustrated herein. In one aspect, the inventions relate to power systems (for example, fuel cell power systems) and architectures having an integration plane to incorporate various technology modules therein including, for example, one or more fuel cell stacks, fuel storage containers/tanks (for example, hydrogen, ...

02/22/07 - 20070042235 - Fuel cell system
Voltage rising detection unit detects a voltage rising condition of a fuel cell stack after the supply of reactant gas to the fuel cell stack is started. A control unit determines an internal state of the fuel cell stack on the basis of the detected voltage rising condition of the ...

02/22/07 - 20070042234 - Liquid fuel type fuel cell and fuel therefor
A dye is added into a methanol/water fuel of a direct methanol fuel cell, and the dye is adsorbed and removed by a filter cartridge provided in the upstream of a cell stack. Carbon black, etc. may be added instead of the dye. Alternatively, a scenting agent such as formic ...

02/15/07 - 20070037021 - Fuel cell assembly with structural film
An assembly for use in a fuel cell comprising a first membrane having an inner portion and an outer peripheral portion; a second membrane having a corresponding inner portion to the inner portion of the first membrane, and a corresponding outer peripheral portion to the outer peripheral portion of the ...

01/04/07 - 20070003801 - Fuel cell
A fuel cell that prevents the cross-over of liquid fuel within the fuel cell and the drop in cell voltage due to methanol oxidization on a cathode so as to enhance cell characteristics. A cell according to the present invention is provided with an anode and a cathode at both ...

01/04/07 - 20070003800 - Air filter assembly for low temperature catalytic processes
An air filter assembly for removing particulate contaminants, chemical contaminants, or both, from an incoming dirty air stream. The resulting filtered or clean air is supplied to catalytic equipment, such as a fuel cell. The filter assembly can include a physical filter portion for removing physical or particulate contaminants, a ...

12/07/06 - 20060275633 - Fuel processor
A fuel processor (10) comprises a supply of natural gas (12) and a compressor (14), which compresses the natural gas and supplies the natural gas to a partial oxidation reactor (16). A supply of oxygen (20) supplies the oxygen to the partial oxidation reactor (16). The partial oxidation reactor (16) ...

10/05/06 - 20060222910 - Electric system for fuel cell, fuel cell vehicle, and method of supplying electric power
An electric system has a fuel cell for generating electric power by being supplied with a reactive gas, an electric storage device having a voltage lower than a voltage output from the fuel cell, a first power supply line connected to the fuel cell, a second power supply line connected ...

09/28/06 - 20060216553 - Fuel cell with bipolar plates having micro channels and its manufacturing method
A fuel cell with bipolar plates having micro channels and its manufacturing method are disclosed. The structure of this fuel cell includes a pair of bipolar plates and a catalytic portion. The bipolar plate has a gas inlet, a gas outlet, a main channel, several blocking portions, and many micro ...

09/21/06 - 20060210842 - Fuel container and fuel cell therewith
A cartridge applied to a fuel cell is provided with: a fuel including at least two selected from the group of an organic compound having an ether linkage, an organic compound having an O—H linkage, and water; and a container to house the fuel, the container including one selected from ...

09/21/06 - 20060210841 - Modular fuel cell power system, and technique for controlling and/or operating same
There are many inventions described and illustrated herein. In one aspect, the inventions relate to power systems (for example, fuel cell power systems) and architectures having an integration plane to incorporate various technology modules therein including, for example, one or more fuel cell stacks, fuel storage containers/tanks (for example, hydrogen, ...

09/07/06 - 20060199047 - Fuel cell system
The fuel cell system of the present invention has: a fuel cell including an electromotive unit comprising a fuel electrode, an oxidant electrode, and an electrolyte sandwiched by these electrodes; a fuel supply unit for supplying a fuel to the fuel electrode; and an oxidant supply unit for supplying an ...

08/24/06 - 20060188758 - Flow field board arrangement for fuel cell
A flow field board arrangement for a fuel cell is disclosed. Injection flow channels and exhaust flow channels are individually disposed on the surface of a substrate. At least a concave portion is disposed on the same, and connected to the injection flow channel and the exhaust flow channel accordingly. ...

08/17/06 - 20060183005 - Drying method for fuel cell stacks
For various reasons, it can be desirable to subject fuel cells to drying procedures. In solid polymer electrolyte fuel cells for instance, drying may be carried out prior to storing at below freezing temperatures, or to recover cell performance lost following freeze/thaw events. An improved drying method involves drying the ...

08/10/06 - 20060177706 - Direct hydrocarbon fuel cells
A solid oxide fuel cell assembly (SOFC) having an array of SOFC's (12) connected in series by thin-film interconnects (22) are deposited onto a porous, insulating support (14), the layer (12) can be deposited in the order of electrode, electrolyte, interconnect and electrode. The patterning is such that the electrolyte ...

07/27/06 - 20060166048 - Polyarylene ether compound containing sulfonic acid group, composition containing same, and method for manufacturing those
wherein Ar indicates a divalent aromatic group, Y indicates a sulfone group or a ketone group, X indicates H or a monovalent cation species, and Ar′ indicates a divalent aromatic group. ...

07/27/06 - 20060166047 - Polymeric laminates, processes for producing the same, and use thereof
The present invention relates to a laminated membrane comprising a membrane (I) which comprises aromatic polymer electrolyte containing a super strong acid group and a membrane (II) which comprises one compound selected from the group consisting of electrolytes of perfluoroalkylsulfonic acid polymer and non-super strong acid polymer, and a laminated ...

07/27/06 - 20060166046 - Fuel cell incorporating a polymer electrolyte membrane grafted by irradiation
Fuel cell having: (a) an anode; (b) a cathode; (c) a polymer electrolyte membrane placed between the anode and the cathode which has at least one polyolefin grafted with a side chain containing proton conductive functional groups; wherein said fuel cell has a value of cell resistance at 90° C. ...

07/20/06 - 20060159965 - Fuel cell system and cleaning system
A fuel cell system and a cleaning system provided with the function of cleaning cordlessly are provided. The fuel cell system includes a fuel cell which generates electric power by using liquid fuel and a cleaning apparatus which cleans a target of cleaning by using the liquid fuel. A cleaning ...

07/13/06 - 20060154118 - Fuel cell device with compound power supply
A fuel cell device with a compound power supply is disclosed, which comprises a bipolar fuel cell board and an auxiliary power supply. The bipolar fuel cell board includes at least one fuel cell unit. The auxiliary power supply is disposed on the bipolar fuel cell board and/or on an ...

07/13/06 - 20060154117 - Electrochemical generator and method for its utilisation
An electrochemical generator consisting of an alternation of membrane fuel cells and cooling cells with internal circulation of liquid water is described. The fuel cells are fed in at least one of the two compartments, anodic or cathodic, with dry gas, which is humidified through the passage of water coming ...

06/29/06 - 20060141298 - Solenoid-operated valve for fuel cells
A first port for introducing hydrogen is defined in a side wall of a first valve body, and a hot water passage for passing therethrough hot water to heat a region in the vicinity of the first port is defined in the first valve body above the first port. The ...

06/29/06 - 20060141297 - Fuel cell
A fuel cell comprises a unit cell having a membrane-like electrode unit including an electrolyte membrane, a fuel electrode consisting essentially of a catalyst layer and a diffusion layer, which are formed in the order mentioned on one surface of the electrolyte membrane, and an air electrode consisting essentially of ...

06/29/06 - 20060141296 - Fuel cell
where R1 denotes a cationic aromatic functional group, R2 denotes an anion, and n is an integer of 2 or more. ...

06/29/06 - 20060141295 - Reactor and fuel cell system therewith
A fuel cell system is provided with a reactor. The reactor is provided with a first member including plural first projections; a second member including plural second projections, the second projections being so dimensioned as to at least partly enter into gaps between the respective first projections; a catalyst supported ...

06/22/06 - 20060134470 - Compact fuel cell package
The invention relates to a compact and portable fuel cell package. The package includes a fuel cell that generates electrical energy. Some packages also include a fuel processor that produces hydrogen from a fuel source. Fuel cell packages described herein provide power densities (power per unit volume or mass) at ...

06/22/06 - 20060134469 - Membrane electrode assembly and method of manufacturing a membrane electrode assembly
A method for fabricating membrane electrode assembly includes providing an anode side diffusion layer structure and a cathode side diffusion layer structure with a layer of membrane electrolyte therebetween. The diffusion layer structures include diffusion segments, which are coupled to each other by a first engaging member having one or ...

06/15/06 - 20060127708 - Method and apparatus for carbon coated silicon fuel cell electrode
According to one embodiment of the invention, carbon can be deposited on a silicon electrode that has been configured with a flow field for a fuel cell. The carbon provides high conductivity for the electrode and can also prevent degradation of the silicon. ...

06/15/06 - 20060127707 - Fuel cell
A fuel cell includes electromotive portions, a first sheet, a second sheet, a replenishing portion and a fuel adjusting film. The electromotive portions cause fuel and oxygen to react chemically with each other to produce electrical energy. The first sheet is provided to supply the fuel to the electromotive portions. ...

06/15/06 - 20060127706 - Reactant feed for nested stamped plates for a compact fuel cell
A fuel cell in a fuel cell stack that provides a transition from nested bipolar plates in the active region of the stack to non-nested bipolar plates in the inactive regions of the stack without giving up the reduced stack thickness provided by the nested plates or changing the size ...

06/15/06 - 20060127705 - Process for producing proton-conducting polymer membranes, improved polymer membranes and the use thereof in fuel cells
The present invention relates to a proton-conducting polymer membrane comprising polyazoles which is obtainable by a process comprising the steps A) preparation of a mixture comprising polyphosphoric acid, at least one polyazole and/or one or more compounds suitable for forming polyazoles under the action of heat in step B), B) ...

06/08/06 - 20060121321 - Worksurface power modules powered by fuel cells
A fuel cell and a jumper connected to the fuel cell. The jumper includes a first end and a second end. The first end of the jumper is connected to the fuel cell, the second end of the jumper is configured for providing electrical power to a worksurface. ...

06/01/06 - 20060115690 - High operating temperature ceramic electrolyte electrochemical conversion devices
A high operating temperature sealed assembly positioned between high thermal expansion solid components. The assembly has a seal-forming material with a glass matrix phase and a crystalline phase. The glass matrix composition consists essentially by mol percent of about 56<SiO2<75; 11<BaO<30; and 2<MgO<14. ...

05/25/06 - 20060110633 - Fuel electrode material, a fuel electrode, and a solid oxide fuel cell
A material for a fuel electrode of a solid oxide fuel cell with which volume change of the fuel electrode can be reduced as compared to the conventional one even if the fuel electrode is exposed to an oxidation-reduction cycle, a fuel electrode for a solid oxide fuel cell prepared ...

05/25/06 - 20060110632 - Method for preparing metal catalyst and electrode
A method for preparing a metal catalyst includes a proton conductive material coating layer formed on the surface of a conductive material. Also, an electrode may be prepared using the metal catalyst. The method for preparing the metal catalyst comprises mixing the conductive catalyst material, the proton conductive material, and ...

05/25/06 - 20060110631 - Catalyst ink, process for making catalyst ink and for preparing catalyst coated membranes
The invention relates to catalyst inks used in the formation of catalyst coated membranes used in fuel cells. ...

05/18/06 - 20060105206 - Fuel cell power supply
A fuel cell power supply has a fuel cell and a capacitor which are connected parallel to each other, and controls the amount of a reacting gas supplied to the fuel gas based on a target supply current. A capacitor open voltage calculator calculates an open voltage (Vcap_O) of the ...

05/11/06 - 20060099465 - Method and device for limiting crossover in fuel cell systems
A method of and fuel cell system for limiting an amount of a fuel crossing over a membrane in a fuel cell, the method including determining an appropriate molecular ratio of the fuel and water for a fuel-water mixture 503; and controlling an amount of the fuel-water mixture that is ...

05/11/06 - 20060099464 - Fuel and air flow control in a multi-stack fuel cell power plant
A fuel cell power plant includes a plurality of fuel cell stacks which are operatively associated with each other so that both the air stream and fuel stream for the stacks are shared by each of the stacks in the power plant. The air and fuel streams are fed into ...

05/04/06 - 20060093876 - Fuel container
A liquid fuel is contained in a fuel container, and the liquid fuel is discharged from a fuel outlet. Further, a water is contained in a water containing pipe provided in the fuel container, and the water is discharged from a water outlet to the outside. Air taken into the ...

05/04/06 - 20060093875 - Method for stabilizing polyelectrolyte membrane films used in fuel cells
A novel method of altering extruded membrane films for PEM (polymer electrolyte membrane) fuel cells in such a manner that the membrane films swell substantially uniformly in both the in-plane x and y directions when immersed in water or ionomer solution is disclosed. The invention includes cutting a membrane film ...

05/04/06 - 20060093874 - Hydrogen isotope fuel cell
A hydrogen isotope fuel cell for converting electric power into heat. The cell includes a non-conductive housing formed of spaced, preferably glass outer plates sealed along common perimeters thereof to define a closed interior volume or chamber. At least two catalytic plates are held spaced apart in the interior volume, ...

04/27/06 - 20060088741 - Methanol resistant cathodic catalyst for direct methanol fuel cells
Methanol-tolerant cathodic catalysts were prepared by depositing platinum nanoparticles and iron macrocycles on a carbon substrate. The order of depositing the iron and platinum on the carbon substrate were varied to form a (Fe—Pt)/C catalyst and a (Pt—Fe)/C catalyst. Different sintering temperatures were investigated to determine the heating effect on ...

04/27/06 - 20060088740 - Fuel cell
A fuel cell stack includes unit cells. At one side of the unit cells, an oxygen-containing gas supply passage and a fuel gas discharge passage having different opening areas are provided. At the one side of the unit cells, a recess is provided near the fuel gas discharge passage having ...

04/20/06 - 20060083960 - Fuel cell system
A fuel cell system in which water can be accurately supplied in accordance with the flow rate of fuel gas supplied to the reformer to allow efficient reforming without using a flow meter measuring the flow rate of water. In the fuel cell system in which fuel gas is supplied ...

04/20/06 - 20060083959 - Polymer electrolyte fuel cell cartridge and polymer electrolyte fuel cell
There is provided a polymer electrolyte fuel cell cartridge for supplying a fuel and an oxidizer to a polymer electrolyte fuel cell, including at least two chambers in which: one chamber stores the fuel; and the other chamber stores the oxidizer. The fuel includes one of hydrogen and an aqueous ...

04/20/06 - 20060083958 - Membrane-electrode assembly for fuel cell and fuel cell comprising the same
A polymer membrane-electrode assembly for a fuel cell includes an anode and a cathode, each of the anode and the cathode including a catalyst layer and an electrode substrate; and a polymer membrane placed between the anode and cathode. In the polymer membrane-electrode assembly, the polymer membrane is a polyphenylene ...

04/20/06 - 20060083957 - Fuel cell stack and fastening and reinforcing mechanisms for a fuel cell stack
A stack for a fuel cell system which can include a simplified fastening structure and a fuel cell system having the stack are shown. The stack includes at least one electricity generator, a housing, and a cover. The electricity generator includes a MEA and separators located on both surfaces of ...

04/20/06 - 20060083956 - Hydrogen generator and fuel cell system
In a hydrogen generator according to the invention, a reformer temperature sensor detects the temperature of a reformer at a start of a stop operation of a hydrogen generator. In a controller, a processing and controlling portion compares the detected temperature with first to fourth reference temperatures pre-stored in a ...

04/13/06 - 20060078765 - Nano-structured ion-conducting inorganic membranes for fuel cell applications
An inorganic proton-conducting membrane and a fuel cell comprising this membrane. The fuel cell comprises a fuel anode, an oxidant cathode, and an inorganic proton-conducting membrane disposed between the anode and the cathode. The membrane is composed of a nano-structured network of proton-exchange inorganic particles. The particles form a sufficiently ...

04/13/06 - 20060078764 - Dissolved fuel alkaline fuel cell
A dissolved-fuel alkaline fuel cell that comprises four main components: a) a fuel anode; b) a first oxygen cathode; c) an electrolyte in ionic contact with the anode and the first cathode, wherein the electrolyte comprises an alkaline solution and a first fuel dissolved in the alkaline solution; and d) ...

04/13/06 - 20060078763 - Electrochemical generator
The present invention discloses an electrochemical generator fed with reactant gases, and in particular a fuel cell fed with a hydrogen-containing gas and with air at near ambient pressure. The electrochemical generator is characterised by asymmetry of the pressure drops localised in the distributing and collecting channels, wherein, in particular, ...

04/06/06 - 20060073363 - Fuel cell system, and failure diagnosing apparatus of the same
A fuel cell system includes: 1) a fuel gas circulating system; 2) a first pressure sensor for sensing a fuel cell inlet sensed pressure; 3) a second pressure sensor for sensing a fuel gas circulating system inlet sensed pressure; 4) a fuel gas circulating system inlet target pressure operator for ...

03/30/06 - 20060068242 - Electric power source apparatus using fuel cell and method of controlling the same
A method of controlling an electric power source apparatus, which comprises supplying electric power to an electronic device on which a secondary battery is mounted from a power source apparatus having a fuel cell and an auxiliary power source. Electric power is supplied intermittently to a charging terminal of the ...

03/30/06 - 20060068241 - Information processing apparatus system, fuel cell unit, and display method thereof
An information processing apparatus system is provided which is capable of precisely and rapidly displaying fuel management information including a residual quantity of a fuel and type thereof of a mounted fuel cartridge. The information processing apparatus system of the present invention has an information processing apparatus for processing information, ...

03/30/06 - 20060068240 - Fuel cell system
An on-vehicle fuel cell system of the present invention has: a fuel cell stack which is mounted on a vehicle and generates power by using fuel gas and oxidant gas, the fuel cell stack including a water passage which performs cooling and humidification in an inside thereof; a water circulator ...

03/30/06 - 20060068239 - Electric power source apparatus using fuel cell and method of controlling the same
A method of controlling an electric power source apparatus, which comprises supplying electric power to an electronic device on which a secondary battery is mounted from a power source apparatus having a fuel cell and an auxiliary power source. Electric power is supplied intermittently to a charging terminal of the ...

03/30/06 - 20060068238 - Polymer electrolyte medium and direct methanol fuel cell
where R1 in the formula represents an aromatic radical-containing functional group, R2 represents an alkyl functional group, R3 represents an ion exchange aromatic functional group, and u represents an integer of 1 to 450. ...

03/30/06 - 20060068237 - Integrated current sensors for a fuel cell stack
A current sensor assembly that monitors current flow through segments of a fuel cell stack. The current sensor assembly includes a first plate including a first non-conductive substrate having a first conductive path therethrough and that is in electrical communication with a first segment of the fuel cell stack. A ...

03/30/06 - 20060068236 - Advanced shutdown strategy to improve safety and efficiency of fuel cell vehicles
A fuel cell system includes a fuel cell stack, an anode reactant source and a shut-off valve that selectively prohibits anode reactant flow from the anode reactant source to the fuel cell stack through a conduit. A control module initiates closure of the shut-off valve to prohibit anode reactant flow ...

03/30/06 - 20060068235 - Cathode-to-cathode fuel cell stacks
A plurality of fuel cell stacks (8, 8a, 9, 9a) have their cathode ends (11, 12) contiguous with either a common current collector (15a-15d) or respective current collectors (15a, 15b) which may be separated by electrical isolation (27a, 27b). The cathode-to-cathode relationship protects the cathode of each of the stacks ...

03/23/06 - 20060063045 - Fuel cell stack and fuel cell system having the same
A cooling system for a fuel cell stack is provided. The fuel cell stack includes an electricity generating assembly having a plurality of unit cells, wherein each of the unit cells comprises common passages. An oxidant used to generate electric energy and a coolant used to cool the stack may ...

03/16/06 - 20060057439 - Apparatus and methods for generating water in a fuel cell system
Apparatus and methods for the generation of water in a direct oxidation fuel cell. Water, in addition to carbon dioxide and heat, is produced when carbonaceous fuel or fuel solution is oxidized in the presence of air and a suitable catalyst. This oxidation reaction is performed on a surface that ...

03/16/06 - 20060057438 - Method and apparatus for burst disk identification
The present invention provides a method and apparatus for identifying an activation of a burst disk. A pressure data or a temperature data relating to a flow is received. A determination is made whether the flow is interrupted based upon the at least one of the pressure data and the ...

03/16/06 - 20060057437 - Direct liquid fuel cell and method of peventing fuel decomposition in a direct liquid fuel cell
A direct liquid fuel cell includes a cathode, an anode, a fuel chamber, and at least one membrane arranged between the anode and the fuel chamber. The membrane is structured and arranged to allow gas which is formed on or in the vicinity of the surface of the anode which ...

03/16/06 - 20060057436 - Liquid electrochemical cell stacks and manufacturing methods for same
The present invention provides liquid electrolyte electrochemical cassettes and stacks thereof which are suitable for a use in a variety of electrochemical, ion exchange, and battery applications. The present invention also provides methods of manufacturing the liquid electrolyte cassettes and stacks of the invention. In certain preferred embodiments, the invention ...

03/16/06 - 20060057435 - Method and apparatus for preventing fuel decomposition in a direct liquid fuel cell
A fuel cell includes a cathode, an anode, a fuel chamber, and a membrane arranged between the anode and the fuel chamber. The membrane is structured and arranged to allow gas to accumulate adjacent the anode at least to a point where the gas limits or substantially prevents a contact ...

03/16/06 - 20060057434 - Fuel cell power generation system
A fuel cell power generation system is provided in which the dew point of a reformate supplied from a fuel processing system to the fuel cell stack is controlled appropriately with a simple configuration. The system comprises: a cell stack 4 for generating electricity using a reformate containing hydrogen as ...

03/09/06 - 20060051626 - Fuel cell stack
A fuel cell stack includes at least one electricity generating element that generates electrical energy through a reaction of fuel and oxygen, the electricity generating element including a membrane-electrode assembly, separators respectively positioned at both sides of the membrane-electrode assembly, and conducting elements respectively positioned between the separators and the ...

03/09/06 - 20060051625 - Polymer electrolyte fuel cell and stack therefor, and method of manufacturing the same
A stack for the fuel cell of the present invention includes a plurality of stacked unit cells each of which includes a conductive separator plate formed with flow passages and manifolds for gas supply, a coupler and attached to both sides of the separator plate and formed with openings and ...

03/02/06 - 20060046105 - Fuel cell system
A fuel cell system has at least one fuel cell unit for generating electrical energy, a unit for storing or dispensing electrical energy, an electrical consumer for consuming electrical energy, a diagnostic unit for ascertaining a functional capability of the at least one fuel cell unit during a diagnosis phase, ...

02/23/06 - 20060040148 - Method of treating composite plates
Methods and systems for enhancing water management capabilities of a fuel cell system are described. The surface of a composite bipolar plate is chemically treated, for example with an oxidizer, to create a hydrophilic surface. The chemical treatment can include immersing the composite plate in an acid bath to acid ...

02/23/06 - 20060040147 - Liquid circulation type fuel cell
A fuel cell generates electric power by circulating diluted fuel in a fuel cell. In a circulation dilution fuel cell system, a path is provided for leading vapor generated at an air pole of a fuel cell to a dilution fuel tank which circulates the diluted fuel of a fuel ...

02/23/06 - 20060040146 - Liquid circulation type fuel cell and control method therefor
A liquid circulation type fuel cell generates electric power by circulating diluted liquid fuel to a fuel cell. In a dilution fuel cell system of circulation type, a decompression mechanism for reducing the pressure in a dilution fuel tank for circulating the diluted fuel for the fuel cell is provided. ...

02/23/06 - 20060040145 - Fuel cell electric vehicle
A fuel cell electric vehicle that can secure a sufficient stroke of a rocked driving wheel, lowering the center of the gravity of the vehicle. A fuel cell is provided for generating electric power by reacting hydrogen and oxygen with a hydrogen cylinder for supplying gaseous hydrogen to the fuel ...

02/23/06 - 20060040144 - Arrangement of intake and exhaust system components in a fuel cell powered vehicle
An arrangement of intake and exhaust system components in a fuel cell powered vehicle makes it easier to install those components on a vehicle body. The arrangement also improves power generating efficiency, and eases maintenance. The arrangement, which includes a fuel cell, intake system components such as an air cleaner, ...

02/23/06 - 20060040143 - Fuel cell
A gas diffusion layer (6) is sandwiched between catalyst electrode layers (5) and separators (1, 2), and side faces (6A, 6B) of the gas diffusion layer (6) are arranged so as to face a gas inlet manifold (7) and outlet manifold (8), and partition the inlet manifold (7) and outlet ...

02/09/06 - 20060029839 - Fuel cell cartridge, fuel cell system, electrical apparatus and method for recovering water generated in fuel cell system
A fuel cell cartridge includes a fuel reservoir configured to supply a fuel to a fuel-cell power generation part and has a water-absorber configured to absorb water formed in the fuel-cell power generation part, at least on part of its outer surface. When the cartridge is attached to a fuel ...

02/09/06 - 20060029838 - Method of establishing connections between measuring electronics and fuel cell stack
A printed circuit board that enables electrical communication between a fuel cell stack and measuring electronics includes a substrate having first and second sides and a plurality of pad sets formed in the substrate. Each of the pad sets includes a plurality of conductive pads that enable electrical communication between ...

02/09/06 - 20060029837 - Humidifier bypass system and method for pem fuel cell
A humidifier bypass system for a fuel cell is disclosed. The humidifier bypass system includes a cathode and/or anode inlet conduits for carrying a cathode and/or anode inlet streams. A humidifier is provided in fluid communication with the cathode and/or anode inlet conduits for receiving and humidifying the cathode and/or ...

02/02/06 - 20060024537 - Fuel cell system and method of controlling fuel cell
Cells constituting a fuel cell stack are measured for voltages with reference to a common ground. Here, voltmeters are used to measure voltages V1 to Vn across respective series of cells which increase in number in steps of two cells. Cell voltages Vc1 to Vcn each across two cells are ...

02/02/06 - 20060024536 - Fuel cell system
A fuel cell stack has a built-in sensor MEA including: a sensor ion exchange membrane; an anode to which part of fuel supplied to the fuel cell stack flows in, the anode being arranged on one side of the sensor ion exchange membrane; and a cathode from which the part ...

02/02/06 - 20060024535 - Co tolerant catalyst
A catalyst comprises vapor-deposited, at least partially de-alloyed PtXaAlb, wherein X is Mo or W, a is at least 0.001 and b is at least 2.4(1+a). The catalyst is particularly useful as an electro-oxidation catalyst in a fuel cell and is preferred for use in a reformate fuel cell. ...

02/02/06 - 20060024534 - Fuel cell
A fuel cell comprises: a cell plate (11; 110; 110A, 110B); an electroconductive gas separator (13; 130; 130A; 130B) which cooperates with the cell plate, to form a gas passage; and a holder member (15; 150; 150A; 150B) which holds a part of the cell plate. The cell plate includes ...

01/26/06 - 20060019129 - Planar fuel cell assembly
A planar fuel cell assembly includes a plurality of fuel cell units and a first channel-forming plate. The plurality of fuel cell units are connected in series. Each fuel cell unit includes a meshed metal plate and a membrane-electrolyte assembly. The membrane-electrolyte assembly of each fuel cell unit has a ...

01/19/06 - 20060014056 - Reformer and fuel cell system having the same
A fuel cell system comprises a reformer for generating hydrogen from fuel, at least one electricity generator for generating electric energy through an electrochemical reaction between hydrogen and oxygen, a fuel supply unit for supplying the fuel to the reformer and an oxygen supply unit for supplying oxygen to the ...

01/19/06 - 20060014055 - Braze alloy containing particulate material
A minimum joint thickness can be assured by incorporating beads or particles having a diameter corresponding to the joint thickness desired and which are infusible at the brazing temperature. Preferably such particles are formed of high-melting metals, metal oxides, ceramics, or cermets and are mixed into the alloy paste prior ...

01/12/06 - 20060008684 - Reformer, fuel cell system having the same, and method of manufacturing the same
A fuel cell system includes: a reformer adapted to generate hydrogen from a fuel containing hydrogen through a chemical catalytic reaction using thermal energy; at least one electricity generator adapted to generate electric energy through an electrochemical reaction of hydrogen and oxygen; a fuel supply unit adapted to supply the ...

01/12/06 - 20060008683 - Reformer and fuel cell system having the same
There is provided a fuel cell system comprising: a reformer for generating a hydrogen gas stream from fuel through a catalytic chemical reaction using thermal energy; and a stack for generating electric energy through a reaction between the hydrogen gas stream and oxygen. The reformer includes: a first reaction section ...

01/12/06 - 20060008682 - Thin-layer fuel cell structure
A fuel cell layer and methods for making a fuel cell layer comprising at least one fuel cell in communication with first reactant plenum and second reactant plenum, wherein one of the reactant plenums contains oxidant and the other reactant plenum contains fuel. The fuel cell comprises a gas barrier ...

01/05/06 - 20060003196 - Fuel cell and electronic device equipped with the same
The fuel cell 10A comprises the membrane electrode assembly modules 20 which consume the liquid fuel 40 to generate power, and the fuel chamber 30 which holds the liquid fuel 40 inside and has the principal plane on which the membrane electrode assembly modules 20 are arranged, wherein the fuel ...

01/05/06 - 20060003195 - Electrolyte membrane for fuel cell and fuel cell comprising the same
Provided are an electrolyte membrane for a fuel cell and a fuel cell including the same. The electrolyte membrane for a fuel cell includes a proton conductive polymer layer and hygroscopic polymer layers placed on one side or on both sides of the proton conductive polymer layer. The electrolyte membrane ...

01/05/06 - 20060003194 - Fuel cell pack and power producing device comprising said fuel cell pack
A fuel cell pack and a power producing device based upon a fuel cell. The fuel cell is made up of a series of elementary cells and a fluid distribution system which makes it possible to feed each cell with two different fluids and to remove the fluids from the ...

12/29/05 - 20050287401 - Fuel cell reformer and system
A reformer for a fuel cell system has at least a dual pipe configuration that forms independent spaces through which fuel containing hydrogen passes. The reformer includes a first reaction assembly for generating heat energy by an oxidation reaction of the fuel and a second reaction assembly for generating hydrogen ...

12/22/05 - 20050282048 - Fuel cell, its fuel-feeding system, fuel cartridge and electronic equipment
An aqueous solution fuel is fed to a fuel cell by using a propellant gas composed of a pressure has or pressure-liquefied gas. The aqueous solution fuel and the propellant gas are held in an exchangeable fuel cartridge. An ejector for ejecting the aqueous solution fuel from the fuel cartridge ...

12/15/05 - 20050277003 - Fcpm freeze start heater
A fuel cell system that employs a start-up heater. The heater is coupled to a cold plate that warms a stack coolant during system start-up. A heater circuit measures the voltage at the output of the fuel cell stack and across the heater and the current through the fuel cell ...

12/08/05 - 20050271907 - Reformer and fuel cell system having the same
There is provided a fuel cell system comprising: a stack for generating electric energy through a reaction between hydrogen and oxygen; a reformer for generating hydrogen from fuel through a catalytic reaction of the fuel using thermal energy and for supplying the generated hydrogen to the stack; a fuel supply ...

12/08/05 - 20050271906 - Integrated switching assemblies for a fuel cell stack
A switch assembly for selectively enabling current flow through a segment of a fuel cell stack. The switch assembly includes a first plate including a first non-conductive substrate having a first conductive path therethrough and a second plate including a second non-conductive substrate having a second conductive path therethrough. A ...

11/24/05 - 20050260462 - Fuel cell
A fuel cell includes a proton-conducting solid electrolyte membrane, an oxidant electrode provided on one side of the solid electrolyte membrane, a fuel electrode provided on the other side of the solid electrolyte membrane, and a polarizing device included in at least one of the oxidant electrode and the fuel ...

11/24/05 - 20050260461 - Micro fuel cell
A fuel cell, fuel cell array and methods of forming the same are disclosed. The fuel cell can be made by forming a first aperture defined by a first aperture surface through a first electrode layer and forming a second aperture defined by a second aperture surface through a second ...

11/17/05 - 20050255343 - Air distribution method and controller for a fuel cell system
An airflow control system and method for a fuel cell includes a compressor that supplies air to a storage chamber for storing the air. Fuel cell subsystems are connected to the air storage chamber. Each of the fuel cell subsystems includes a flow controller and flow sensor. A sensor measures ...

11/17/05 - 20050255342 - Fuel cell stack and fastening and reinforcing mechanisms for a fuel cell stack
A stack for a fuel cell system which can include a simplified fastening structure and a fuel cell system having the stack are shown. The stack includes at least one electricity generator, a housing, and a cover. The electricity generator includes a MEA and separators located on both surfaces of ...

11/17/05 - 20050255341 - Direct borohydride fuel cells with hydrogen peroxide oxidant
This invention describes a novel DBFC employing hydrogen peroxide as oxidant with a power density of about 350 mW/cm2 at the cell voltage of almost 1.2V at 70° C.; the open-circuit voltage of the DBFC being as high as about 2V, the use of liquid reactants in DBFCs not only ...

11/17/05 - 20050255340 - Fuel cell and electronic equipment mounting it
A fuel cell and an electronic apparatus with same mounted thereon are provided. The fuel cell includes a power generation unit provided with a conduit for an oxidant gas containing at least oxygen, a heat radiation unit connected to the power generation unit so as to radiate heat from the ...

11/17/05 - 20050255339 - Metal air cell system
A Metal air cell and cell system is provided. In general, the cell includes a cathode structure comprising opposing cathode portions and a space configured for receiving an anode structure. The anode structure includes a pair of rigid structures having plural apertures for allowing ionic communication and anode material between ...

11/10/05 - 20050249987 - Fault tolerant fuel cell systems
A fuel cell system comprises a plurality of groups of fuel cells electrically connected in series-parallel. Each of the groups of fuel cells comprises a plurality of fuel cells connected in series-parallel. Each of the fuel cells may have a very small active area. The system provides passive fault tolerance ...

11/10/05 - 20050249986 - Electrochemical cells formed on pleated substrates
A sheet of substrate material is corrugated. First and second troughs are defined on opposed faces of the substrate material. Ion-conducting regions are located in a common wall of the first and second troughs. In the ion-conducting regions ions can pass through the substrate material between the first and second ...

10/20/05 - 20050233185 - Fuel cell power and management system, and technique for controlling and/or operating same
There are many inventions described and illustrated herein. In one aspect, the present invention is directed to a portable fuel cell power and management system (for example, hydrogen and/or methanol based systems), components and/or elements thereof, as well as techniques for controlling and/or operating such systems. The fuel cell power ...

10/20/05 - 20050233184 - Fuel cell power and management system, and technique for controlling and/or operating same
There are many inventions described and illustrated herein. In one aspect, the present invention is directed to a portable fuel cell power and management system (for example, hydrogen and/or methanol based systems), components and/or elements thereof, as well as techniques for controlling and/or operating such systems. The fuel cell power ...

10/20/05 - 20050233183 - Modified carbon products, their use in electrocatalysts and electrode layers and similar devices and methods relating to the same
Electrodes and electrocatalyst layers incorporating modified carbon products. The modified carbon products may advantageously enhance the properties of an electrode or electrode layer, leading to more efficiency within the a fuel cell or similar device. ...

10/20/05 - 20050233182 - Method for real-time monitoring and control of cathode stoichiometry in fuel cell system
A fuel cell system that employs an oxygen sensor for measuring the oxygen concentration in the cathode exhaust gas from the fuel cell stack. A controller provides a signal that drives a compressor providing air to a cathode input of the stack so that the compressor provides the desired oxygen ...

10/20/05 - 20050233181 - Solid high polymer type cell assembly
A cell assembly (10) includes a first unit cell (12) and a second unit cell (14). The first unit cell (12) and the second unit cell (14) are juxtaposed such that electrode surfaces of the first unit cell (12) and electrode surfaces of the second unit cell (14) are aligned ...

10/06/05 - 20050221132 - Rubber composition for fuel reforming system and rubber hose for fuel reforming system using the rubber composition
(B) carbon black having a specific surface area less than 28 m2/g as determined by a BET method; and (C) a non-sulfur-based cross-linker. The rubber hose for a fuel reforming system is made of the rubber composition. ...

09/29/05 - 20050214599 - Polymer electrolyte fuel cell and method for prudoucing the same
A polymer electrolyte fuel cell is provided comprising: a hydrogen ion conductive polymer electrolyte membrane; an anode and a cathode sandwiching the hydrogen ion conductive polymer electrolyte membrane; an anode side electroconductive separator having a gas channel for supplying a fuel gas to the anode; a cathode side electroconductive separator ...

09/22/05 - 20050208348 - Air filtration system for fuel cell systems
A contamination control system for cathode intake air for fuel cell systems, particularly PEM fuel cell systems. The contamination control system incorporates three portions, particulate control, chemical contaminant control, and sound suppression or attenuation of the noise emitted by air handling equipment such as compressors, blowers, fans and expanders. At ...

09/08/05 - 20050196651 - Fuel cell system and stack used therein
A fuel cell system optimizing the ratio of width of a channel to a width of a rib forming a passage for supplying fuel and air, the ratio of width thereof to a height of a channel, and the number of passages, thereby improving the fuel diffusing performance and reducing ...

08/18/05 - 20050181245 - Hydrogen and electrical power generator
A device using needed hydrogen gas flow and electricity for operation obtained from a fuel cell power supply. Also, water generated by the fuel cell may be recycled for hydrogen generation which may be used by the device and in turn expanded by the fuel cell for further electrical power ...

08/18/05 - 20050181244 - Regenerative fuel cell system and method of operation thereof
A regenerative fuel cell system is provided having at least one hydrogen storage container fluidly coupled to at least one hydrogen generator and at least one power generator. Each power generator further includes a fuel cell fluidly coupled to the hydrogen storage container, an electric energy storage device, and an ...

08/18/05 - 20050181243 - Fuell cell service method and apparatus
Embodiments for servicing a system including a fuel cell and at least one sensor. In one embodiment, the at least one sensor is implemented for generating information indicative of operation of the system. The information is communicated to a tool operatively connected with the system. The information ...

08/11/05 - 20050175868 - Storage, generation, and use of hydrogen
A composition comprising a carrier liquid; a dispersant; and a chemical hydride. The composition can be used in a hydrogen generator to generate hydrogen for use, e.g., as a fuel. A regenerator recovers elemental metal from byproducts of the hydrogen generation process. ...

08/11/05 - 20050175867 - Room-temperature molten salt, process for producing the same and applications thereof
The present invention provides a room-temperature molten salt that is obtainable by mixing two or more organic salts and that has a solidifying point lower than the solidifying point (or melting point) of any of the starting organic salts, a process for producing the same, and use of the same. ...

07/28/05 - 20050164046 - Hydrogen generator and fuel cell system using the same
The hydrogen generator includes: a reformer 101 having a reforming catalyst configured to cause a source material and water to react with each other to generate a hydrogen-rich reformed gas; a reformer heater 104 configured to heat the reformer; a carbon monoxide reducing portion 111,121 having a carbon monoxide reducing ...

07/21/05 - 20050158593 - Formation water treating system and formation water treating method, and power generator
Water disposal systems, apparatuses and methods that employ same, and methods for disposing water produced during power generation are provided. A separator of a fuel cell has an air supply groove formed therein for supplying air as an oxidizer gas to a cathode. The separator is also provided with water-absorbing ...

07/14/05 - 20050153175 - Fuel cell and method of operating the same
Fuel cells and methods of operating same are provided. In an embodiment, fuel cells include cylinders each provided with a spiral form groove portion in the surface thereof and disposed in air supply or exhaust pipes are rotated, wherein the amount of air supplied to power generation cells can be ...

07/14/05 - 20050153174 - Monitor device for fuel cell
A seal space is formed between first and second metal separators of a power generation cell. A device body is disposed in the seal space. The device body includes a voltage measurement sensor and a transmission mechanism. The voltage measurement sensor measures the voltage generated during operation of the power ...

06/30/05 - 20050142397 - Membrane electrode assembly and fuel cell
A membrane electrode assembly includes an anode, a cathode, and a solid polymer electrolyte membrane interposed between the anode and the cathode. The anode and the cathode include gas diffusion layers and electrode catalyst layers. Mixture layers are provided over predetermined areas H around surfaces of the electrode catalyst layers. ...

06/30/05 - 20050142396 - Current limiting system and current limiting method for fuel cells
A current limiting system for fuel cells, which limits electric current generated by a fuel cell stack including a plurality of single cells generating electricity by a chemical reaction between fuel gas and oxidant. The current limiting system includes: a cell voltage detector which detects a cell voltage of each ...

06/23/05 - 20050136294 - Fuel cell and fuel cell stack
A fuel cell includes an electrolyte electrode assembly and separators. The separator includes first through third plates which are stacked together. A fuel gas channel connected to a fuel gas supply passage is formed between the first and third plates. The fuel gas channel forms a fuel gas pressure chamber ...

06/23/05 - 20050136293 - Cell maintenance device for fuel cell stacks
A method and apparatus for maintaining the cells of a fuel cell stack are disclosed. The apparatus includes a fuel cell maintenance device including means for imposing a low impedance across at least one cell of a fuel cell stack, e.g., a switch, and a pulse generator. The pulse generator ...

06/16/05 - 20050129990 - Fuel cell system
A fuel cell system is disclosed a fuel cell configured to generate electric power using an oxidizing gas supplied to a cathode of the fuel cell. In the fuel cell system, a combustible gas is filled and kept in the cathode after stop of power generation, and is thereafter diluted ...



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