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7632594 |
Solid oxide fuel cell with improved gas exhaust
A solid oxide fuel cell includes a plurality of electric power-generating elements stacked in a stack direction, each including a solid oxide electrolyte and a porous electrode section. A plurality...
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7632592 |
Method of fabricating corrosion-resistant bipolar plate
A method of fabricating a corrosion-resistant and inexpensive bipolar plate for a fuel cell is disclosed. The method includes providing a bipolar plate substrate and coating a corrosion-resistant...
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7632589 |
Fuel-cell stack and fuel cell
In a fuel-cell stack in which a plurality of cells are stacked, each of the cells includes a membrane electrode assembly which is composed of a polyelectrolyte membrane and a pair of electrodes...
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7632593 |
Bipolar plate supported solid oxide fuel cell with a sealed anode compartment
A bipolar plate supported solid oxide fuel cell with a sealed anode compartment is provided. The solid oxide fuel cell includes a cathode, an electrolyte, and an anode, which are supported on a...
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7632596 |
Distributed feed fuel cell stack
A fuel cell having a distributed fuel feed in which the heat generation profile can be better controlled. Fuel channel stack and system efficiency improvements are achieved.
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7632599 |
Separator for fuel cell and fuel cell using the same
The present invention provides, as a separator for fuel cell which is lightweight, can be easily made thin, and which has superior corrosion resistance and shape stability, a fuel cell 100 ...
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7632595 |
Compliant fuel cell system
A fuel cell assembly comprising at least one metallic component, at least one ceramic component and a structure disposed between the metallic component and the ceramic component. The structure is...
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7632598 |
Fuel cell with polymer-based fuel absorbing member
A fuel cell comprises a cell unit in which a plurality of single cells are laminated, each of which has a membrane type electrode unit including a fuel electrode to which an aqueous methanol...
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7632597 |
Fuel cell and separator thereof
A fuel cell includes a plurality of fuel cell units. Each fuel cell unit includes an electrode assembly having electrodes and an electrolyte, a pair of separators, and gas sealing members. At least...
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7629064 |
Manifold sealing and corrosion preventive interface plate for a fuel cell stack
A fuel cell assembly having a terminal plate that is isolated from fluid flows passing to the fuel cell stack through manifolds is provided. A corrosion resistant member is positioned between the...
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7625658 |
Interconnector for high-temperature fuel cell unit
A planar fuel cell unit on which a cathode-electrolyte-anode unit (CEA unit), a gas distributor element, inner contacting elements, sealing elements, and an interconnector. The interconnector is...
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7625661 |
Diffusion media with continuous micro-porous layers incorporating non-uniformity
A diffusion media and micro-porous media combination for a fuel cell. A diffusion layer is composed of a diffusion media and has a first (electrode) side and an opposite second (flowfield) side,...
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7625657 |
Fuel cell and fuel cell stack
A fuel cell includes an electrolyte electrode assembly and separators. The separator has a fuel gas supply passage, a fuel gas distribution passage, an oxygen-containing gas supply passage, and an...
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7622214 |
Fuel cell capable of preventing anode oxidation
A fuel cell includes an electrolyte electrode assembly including a cathode, and an anode, and an electrolyte interposed between the cathode and the anode. The anode is made of porous material of...
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7622211 |
Hydrophilic fuel cell bipolar plate having a plasma induced polymerization coating
A fuel cell electrically conductive element is provided with a polymeric surface comprising a flow field, at least a part of the flow field having a grafted, permanently hydrophilic, polymer...
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7622212 |
Compact electrochemical converter
An electrochemical converter ( 1 ) with protonic membrane, includes a plurality of series-connected unit electrochemical conversion cells ( 2 a, 2 b, 2 c , . . . ), a first substrate including...
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7618734 |
Branched fluid channels for improved fluid flow through fuel cell
A flow field geometry formed in a separator plate of a fuel cell includes a plurality of straight inlet legs including a first lateral inlet leg laterally offset from a first inlet leg and a...
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7618735 |
Fuel cell with triangular buffers
An oxygen-containing gas flow field for supplying an oxygen-containing gas from an oxygen-containing gas supply passage to an oxygen-containing gas discharge passage is formed on a first metal...
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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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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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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...
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7611786 |
Polymer electrolyte fuel cell power generation system
A polymer electrolyte fuel cell power generation system is disclosed which comprises:
a fuel cell having a plurality of cells each having a polymer electrolyte membrane and an anode and...
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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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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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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...
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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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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,...
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7604891 |
Direct oxidation fuel cell
A direct oxidation fuel cell is provided. A direct oxidation fuel cell includes one or more electricity generators which have a membrane-electrode assembly and anode and cathode members disposed in...
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7601451 |
Variable active area for fuel cell
An electrochemical fuel cell stack assembly having a variable active area. The fuel cell stack uses a blocking member to selectively block the flow of reactants through channels of the flow fields...
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7601452 |
Nested bipolar plate for fuel cell and method
Between adjacent MEA's is a bipolar plate assembly having a first sub-plate with a flow channel which is open to the anode side of the one of the MEA's. A second sub-plate has a flow channel which...
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7601453 |
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. The first plate has a first protrusion section...
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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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7597990 |
Fuel cell and fuel cell system
Provided is a fuel cell including a container having at least two openings, a power generating unit contained in the container, the power generating unit having a membrane electrode assembly, an...
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7597988 |
Integrated end-bus plate for fuel cell
An integrated end-bus plate for fuel cell stack includes main plate body and a conducting plate. The main plate body is made of corrosion resistant and non-conducting material, which inner side has...
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7597987 |
Metal component for fuel cell and method of manufacturing the same, austenitic stainless steel for polymer electrolyte fuel cell and metal component for fuel cell material and method of manufacturing the same, corrosion-resistant conductive component and method of manufacturing the same, and fuel cell
An Au plated film 12 is formed on the surface of a plate-formed metal base 13 composed of a metal less noble than Au, and the product is cut along a planned cutting line 18 reflecting a...
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7597989 |
Power supply apparatus having plurality of planar fuel cell assemblies connected in stack form
A power supply apparatus comprising a plurality of planar fuel cell assemblies is disclosed. Each planar fuel cell assembly comprises two fuel cell members, a channel-forming member interposed...
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7595125 |
Fuel cell stack for vehicle
A unit cell includes a membrane electrode assembly, and first and second separators for sandwiching the membrane electrode assembly. The membrane electrode assembly includes an anode and a cathode...
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7592093 |
Method for manufacturing a flat panel direct methanol fuel cell
A novel flat panel DMFC (direct methanol fuel cell) includes an integrated cathode electrode plate, a membrane electrode assembly (MEA) unit, an intermediate bonding layer, an integrated anode...
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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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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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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...
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7588855 |
Fuel cell assembly and fuel cell system
A fuel cell assembly ( 1 ) is disclosed. The fuel cell assembly ( 1 ) has a fuel cell stack ( 2 ) formed by laminating a plurality of cells; plus and minus current extraction sections ( 4 ), the...
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7585582 |
Fuel cell module utilizing wave-shaped flow board
A fuel cell module includes a cathode board, an integral flow board integrated with a plurality of wave-shaped anode plates and membrane electrode assembly (MEA) interposed between the cathode...
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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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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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7582378 |
Fuel cell seal and plate features
In one aspect, a fuel cell assembly comprises a separator plate having a surface with a surface feature; and a seal comprising a resilient member defining a bead and a cooperating feature for...
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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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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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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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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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