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7615308 |
Dual function, bipolar separator plates for fuel cells
Dual function, bipolar separator plates are provided for use in fuel cells. These separator plates contain both a cathodic flow field and an anodic flow field in a single separator plate.
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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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7615304 |
SOFC systems to power a liquid or gas fuel pumping station
A fuel cell system for driving a pipeline transmission device. The fuel cell system may include a fuel cell stack in communication with the pipeline, a turbine engine in communication with the fuel...
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7615303 |
Direct methanol fuel cell and portable computer having the same
The invention is directed to a direct methanol fuel cell (DMFC) and a portable computer having the same. The portable computer includes a display unit rotatably coupled to a main unit. The display...
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7615302 |
Fuel cell producing method and apparatus
A method of producing a fuel cell by layering a large number of sheets of unit fuel cells ( 11 ). A first supporting plate ( 14 ) is placed at the front section of a pusher unit ( 52 ) in a...
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7615301 |
Fuel battery and electric device
A fuel cell system, which is mounted and used for a portable and small electric device, comprises a cell unit ( 1 ) comprising one or more fuel cells ( 14 ), a fuel tank unit ( 3 ) for storing a...
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7611794 |
Water controller system for direct methanol fuel cell
Disclosed herein is a direct methanol fuel cell system. More particularly, the present invention provides a water controller system constructed such that water generated from a cathode of the...
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7611793 |
Fuel cell system, hydrogen gas supply unit, and method of controlling fuel cell system
A fuel cell system includes a hydrogen gas supply portion for supplying a fuel cell with hydrogen gas. The hydrogen gas supply portion includes an odorant treatment portion for treating an odorant...
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7611792 |
Humidifying gas induction or supply system
Water vapor is introduced into an inlet air stream ( 16 ) of an engine ( 12 ), for example, by a pervaporation process through a non-porous hydrophilic membrane ( 18 ). A water reservoir ( 20 ),...
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7611791 |
Spirally-wound fuel cell assembly
A spirally-wound fuel cell assembly is disclosed. The spirally-wound fuel cell assembly includes an enclosure. Multiple cell assemblies are disposed in electrical contact with each other and...
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7611643 |
Electrically conducting resin composition for fuel cell separator and fuel cell separator
The present invention are to provide an electrically conducting resin composition for a fuel cell separator which overcomes the drawbacks of prior arts, and to provide a fuel cell separator...
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7611568 |
Liquid-gas separator for direct liquid feed fuel cell
A liquid-gas separator for a direct liquid feed fuel cell includes: a housing having an open hole; a gas extracting membrane that covers the open hole and transmits only the gas; a liquid...
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7608351 |
System and method for controlling cathode stoichiometry to minimize RH excursions during transients
A system and method for providing dynamic cathode stoichiometry control in a fuel cell during stack load transients to minimize relative humidity excursions. Particularly, changes in the cathode...
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7604895 |
Electrochemical cell with two types of separators
Provided is an electrochemical device comprising two types of separators having different energy to break, wherein the outermost electrode layer of the electrode assembly includes an active...
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7604890 |
Fuel cell discharge-gas processing device
A fuel cell discharge-gas processing device includes: an anode off-gas introduction path which introduces an anode off-gas discharged from an anode of a fuel cell; a dilution container which is...
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7604889 |
Liquid fuel cell system
A liquid fuel cell system is disclosed. The liquid fuel cell system includes a liquid fuel cell unit and a liquid fuel cartridge that can be connected to the liquid fuel cell unit. The liquid fuel...
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7604888 |
Stamped PEM fuel cell plate manufacturing
A separator plate for a fuel cell is provided including a first support element and a series of second support elements extending from a first surface of the plate. A series of apertures are...
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7604887 |
Electrolyte membrane, membrane electrode assembly using this and fuel cell
The electrolyte membrane of the present invention is an electrolyte membrane ( 1 ) having ionic conductivity that includes a base material ( 2 ) and organic molecules having ion exchange groups,...
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7604755 |
Electroconductive resin composition and separator for fuel cell
An electroconductive plate is prepared by molding an electroconductive resin composition comprising an electroconductive agent and a radical-polymerizable thermosetting resin system having an acid...
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7601450 |
Hybrid interconnect for a solid-oxide fuel cell stack
An electrical interconnect for a fuel cell assembly comprising a peripheral frame formed of one or more materials having a coefficient of thermal expansion similar to that of adjacent elements to...
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7601449 |
Sulfonated poly(phenylene sulfide) films as polyelectrolyte membranes
Proton conducting membranes are made of sulfonated films comprising poly(arylene sulfide), an olefinic polymer, and an elastomer. They are used in PEM fuel cells operating at temperatures above...
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7598999 |
Electronic device powered by fuel cell and power supply system using fuel cell
An electronic device powered by a fuel cell and a power supply system using a fuel cell include a first generating cell supplied with fuel directly from a fuel tank and a second generating cell...
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7597986 |
Method and apparatus for gasketing a fuel cell
In a solid-oxide fuel cell assembly comprising a plurality of components having electrically-conductive mating surfaces therebetween, the surfaces are sealed by gasket elements that include first...
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7597985 |
Fuel cell system
A fuel cell system with a valve mechanism composed of valves provided to a fuel cell unit and a fuel cartridge, respectively. Part of the male valve is inserted into the female valve to cause their...
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7597984 |
Fuel cell bipolar plates with multiple active areas separated by non-conductive frame header
A method of making a bipolar plate includes molding a non-conductive housing defining a plurality of receiving areas. A first plurality of conductive charges are located into each of the plurality...
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7597983 |
Edge stress relief in diffusion media
A diffusion media for use in a PEM fuel cell which includes a relieved edge region relative to the interior region of the diffusion media. The outer perimeter or portion of the diffusion media that...
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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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7595126 |
PEM fuel cell assembly formed of modular sub-assemblies
A method for forming a fuel cell assembly including the pre-final-assembly step of forming a plurality of fuel cell sub-assembly modules, each module including a predetermined number of individual...
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7595123 |
Fuel cell system
Electric power is generated by pressurizing an internal pressure of a first fuel tank (C) or a second fuel tank (C 2 ) by pressurized air of an air pump (AP) for supplying air to an air electrode (...
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7592091 |
Microreactor
A microreactor includes a filament comprising a supporting core having an axial length and a plurality of webs extending radially from the core and axially along said length. The filament forms a...
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7592089 |
Fuel cell with variable porosity gas distribution layers
A fuel cell of the type having a membrane electrode assembly (MEA) interdisposed between a pair of bipolar plate assemblies. The MEA may have a convoluted configuration to maximize the effective...
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7592088 |
Seal configuration for fuel cell stack
A seal configuration is provided for a fuel cell stack, including a first bipolar plate and a second bipolar plate, each disposed on opposite sides of a membrane electrode assembly. The seal...
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7592087 |
Fuel cell and electric apparatus
A fuel cell system is provided which has a humidifying means ( 2 ) for directly humidifying a polymer electrolyte membrane ( 12 ) that serves as an ionic conductor. As the humidifying means ( 2 ),...
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7592082 |
Fuel cell, electronic apparatus and camera
A fuel cell is disclosed, which can use space in an apparatus body effectively. The fuel cell comprises a plurality of cells laminated, and a cell box housing the plurality of cells. The plurality...
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7592037 |
Fuel cell separator, fuel cell stack, fuel cell vehicle, and method of manufacturing the fuel cell separator
A fuel cell separator ( 1 ) of the present invention has a base material ( 5 ) formed of titanium, and a nitride compound layer ( 6 ) composed of titanium and nitrogen and provided on a surface of...
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7588853 |
Direct methanol fuel cell having reduced crossover of methanol and comprising a layer of material for controlling the diffusion rate of fuel
The present invention relates to a direct methanol fuel cell having reduced methanol crossover. The fuel cell includes a layer of material for controlling the diffusion rate of fuel.
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7588852 |
Module and fuel package
A power generation module for generating electric power by using fuel has a fuel package accommodating portion capable of accommodating a fuel package which has a fuel supply hole and a collection...
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7588851 |
Fuel cell stack structure
The invention relates to a fuel cell stack structure capable of suppressing a drop in voltage resulting from flooding or contamination at an end in a direction in which cells are laminated,...
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7588848 |
Fuel cell controller and control method
The following control is performed. During startup of a fuel cell 1 , a fuel gas is supplied to an anode 1 b of the fuel cell 1 and an oxidant gas is supplied to a cathode 1 c of the fuel...
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7585583 |
Metal stack for fuel cells or electrolysers
A stack, to be used in a fuel cell or electrolyzer, includes a collector layer, at least one diffusion layer and at least one anchoring layer. The collector layer being a metal foil or metal plate...
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7585581 |
Micro fuel cell architecture
The present invention relates to fuel cells and components used within a fuel cell. Heat transfer appendages are described that improve fuel cell thermal management. Each heat transfer appendage is...
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7582377 |
Fuel cell and method of assembling the same
A pressure loss in an oxidative gas passage of each of single cells is obtained This pressure loss is compared with predetermined ranks so as to carry out classification according to the ranks. The...
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7582329 |
Fuel cell system in the form of a printed circuit board
A planar fuel cell system comprising at least two fuel cells which are electrically connected in series in a plane via horizontally overlapping connecting lugs and comprise an anode current...
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7579101 |
Direct liquid feed fuel cell stack
A direct liquid feed fuel cell stack that includes Membrane Electrode Assemblies (MEAs) and bipolar plates. Each MEA includes an electrolyte membrane, an anode and a cathode, and the MEA is...
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7579100 |
Fuel stack assembly
A fuel cell stack assembly includes a plurality of substantially uniform fuel cell components arranged in a stack and including end components; and pressure/end plate current collectors positioned...
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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...
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7579098 |
Fuel cells evaporative reactant gas cooling and operational freeze prevention
Fuel cells ( 38 ) have water passageways ( 67; 78, 85; 78 a, 85 a ) that provide water through reactant gas flow field plates ( 74, 81 ) to cool the fuel cell. The water passageways may be vented...
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7575827 |
Conductive coatings for PEM fuel cell electrodes
A bipolar plate for use in a stack of fuel cell modules includes a bipolar plate that has at least one surface containing a metal alloy oxidizable to form a metal oxide having a surface resistance...
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7575826 |
Fuel cell with metal alloy contacts that form passivating conductive oxide surfaces
A metal alloy which when oxidized forms a highly conductive surface oxide layer. Alloy compositions such as, but not limited to, Ti—Nb, Ti—Ta, La—Sr—Cr, and La—Sr—Co are known to form...
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7575823 |
Fuel cell system, fuel cell system drive method and fuel container for power generation
A fuel cell system having a fuel cell which performs a power generation operation with fuel for power generation of a fuel container; a water supply control section which extracts water from the...
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