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Fuel Cell patents



      
           
This page is updated frequently with new Fuel Cell-related patent applications. Subscribe to the Fuel Cell RSS feed to automatically get the update: related Fuel RSS feeds. RSS updates for this page: Fuel Cell RSS RSS


Proton exchange membrane layers for fuel cells and related applications

Hemmed fuel cell stack enclosure

Titanium material for polymer electrolyte fuel cell separator, method for producing the same, and polymer electrolyte…

Date/App# patent app List of recent Fuel Cell-related patents
09/11/14
20140255823
 Fuel cell support structure and method of assembly/disassembly thereof patent thumbnailFuel cell support structure and method of assembly/disassembly thereof
A fuel cell installation includes a support structure and a cell stack assembly that is removably insertable into the support structure from an uninstalled position to an installed position during an installation procedure. The cell stack assembly includes a fitting.
09/11/14
20140255820
 Proton exchange membrane layers for fuel cells and related applications patent thumbnailProton exchange membrane layers for fuel cells and related applications
A membrane stack that includes a first polymer layer, a second polymer layer, and a nanostructured carbon material layer between the first polymer layer and the second polymer layer. The nanostructured carbon material layer includes a plurality of nanostructured carbon material intercalated with one or more proton conducting material or coated with one or more solid superacid particles.
09/11/14
20140255818
 Hemmed fuel cell stack enclosure patent thumbnailHemmed fuel cell stack enclosure
A fuel cell system is provided which includes a compression retention enclosure with upper and lower compression shells and side sheet components coupled by interlocking hem joints. Methods for manufacturing compression retention enclosures with hem joints such that the enclosure remains sealed upon operational swelling of the fuel stack are also provided.
09/11/14
20140255816
 Titanium material for polymer electrolyte fuel cell separator, method for producing the same, and polymer electrolyte fuel cell using the same patent thumbnailTitanium material for polymer electrolyte fuel cell separator, method for producing the same, and polymer electrolyte fuel cell using the same
A titanium material for a polymer electrolyte fuel cell separator consists of, by mass %, a platinum group metal: 0.005% to 0.15% and a rare earth metal: 0.002% to 0.10%, with the balance being ti and impurities. The titanium material of the present invention is provided with a film formed of a titanium oxide and a platinum group metal on the surface thereof.
09/11/14
20140255814
 Fuel cell purge line system patent thumbnailFuel cell purge line system
A combined water and anode knock-out purge line for a fuel cell including an inlet portion having an inlet portion lower surface, an outlet portion having an outlet portion lower surface, a middle portion having a lower surface and extending between the inlet portion and the outlet portion. Each lower surface of the inlet portion and outlet portion is raised relative to the lower surface of the middle portion in a generally longitudinal direction..
09/11/14
20140255812
 Taylor vortex flow electrochemical cells utilizing particulate electrolyte suspensions patent thumbnailTaylor vortex flow electrochemical cells utilizing particulate electrolyte suspensions
Taylor vortex flow galvanic electrochemical cells (100, 300, 500) such as batteries, flow cells and fuel cells for converting chemical energy into electrical energy and comprising a cylindrical spinning particulate filter (140, 230) between static cylindrical current collectors (106, 108) for use with electrolytes containing galvanic charge transfer particles (200, 242, 380, 420) functioning as numerous miniature electrodes and means for pumping electrolyte through the filter to produce accelerated reaction electrochemistry for higher cell power density are disclosed.. .
09/11/14
20140255811
 Molded coolant plate assembly with integral reactant flow fields and thermal dam patent thumbnailMolded coolant plate assembly with integral reactant flow fields and thermal dam
An end-cooler assembly for a fuel cell includes a cooler having a coolant tube array. A composite material includes flake graphite and hydrophobic polymer.
09/11/14
20140255810
 Fuel cell power control by offset estimation patent thumbnailFuel cell power control by offset estimation
A system and method for managing power flow in a fuel cell vehicle. The method provides a difference between a power limit signal and an actual power signal to a pi controller to generate a power offset signal.
09/11/14
20140255809
 Indirect internal reforming solid oxide fuel cell and method for shutting down the same patent thumbnailIndirect internal reforming solid oxide fuel cell and method for shutting down the same
Provided is a method for shutting down an indirect internal reforming sofc, in which a hydrocarbon-based fuel is reliably reformed, and the oxidative degradation of the anode can be prevented by a reformed gas. A method for shutting down an indirect internal reforming sofc including a reformer; an sofc; a combustion region for combusting the anode off-gas of the sofc; and an enclosure for housing the reformer, the sofc, and the combustion region, wherein the method includes causing the flow rate of a fuel supplied to the reformer to become fe from fs; and stopping the supply of the fuel to the reformer when an anode temperature becomes lower than the oxidative degradation temperature, where fe represents a flow rate of the fuel supplied to the reformer in a state in which the anode temperature is steady and lower than the oxidative degradation temperature, in which in the reformer the fuel is reformed and a reformed gas with a composition suitable to be supplied to an anode is produced, and in which an amount of the reformed gas produced is equal to or more than the requisite minimum flow rate for preventing the oxidative degradation of the anode when the anode temperature is a temperature equal to or higher than the oxidative degradation temperature, and fs represents a flow rate of the fuel supplied to the reformer at the start of the shutdown method.
09/11/14
20140255808
 Fuel cell system patent thumbnailFuel cell system
A fuel cell system (1) includes a reformer (2), for generating a reformate gas, a fuel cell (3) for generating electric current from cathode air and reformate gas, an air supply (4), which draws in ambient air and splits this at least into reformer air and cathode air, sends the reformer air via a reformer air line (15) in the direction of the reformer and sends the cathode air via a cathode air line (16) in the direction of a cathode side (11). A recirculating line (20) connects an anode side (10) to the reformer (2).
09/11/14
20140255807
Direct methanol fuel cell operable with neat methanol
A fuel cell system running on direct neat methanol. Back diffusion of water from the cathode to the anode is sufficiently high so that water is not accumulated at the cathode, thereby leading to fuel cell systems without the need for a pump system to remove circulate water from the cathode to the anode.
09/11/14
20140255806
Methane-based power generation with zero-carbon emissions
The present invention provides a method of converting a hydrocarbon into h2 and a carbon material comprising substantially no co2, whereby the h2 is used by a fuel cell to generate electrical energy and the carbon material is collected. The method includes heating a hydrocarbon and a catalyst in a reactor to form h2 and a carbon material comprising substantially no co2.
09/11/14
20140255805
Manganese oxide containing materials for use in oxidative desulfurization in fuel cell systems
A desulfurizer material for desulfurizing fuel supplied to a fuel cell system, the desulfurizer material comprising one or more manganese oxide materials having an octahedral molecular sieve (oms) structure, and the desulfurizer material being resistant to moisture and being capable of removing organic sulfur containing compounds and h2s. The desulfurizer material is used in a desulfurizer assembly which is used as part of a fuel cell system..
09/11/14
20140255804
Catholyte regeneration
There is provided a method of regenerating a catholyte solution in a redox fuel cell, comprising the steps of: providing a redox fuel cell comprising a catholyte solution; providing droplet formation means for catholyte solution atomisation; atomising, by way of the droplet formation means or other means, the catholyte solution, thereby generating a mist of fine droplets; feeding the mist of fine droplets into an oxidant stream; regulating the oxidant stream flow so that time of flight of the droplets is sufficient to accomplish required mass transfer; reaching sufficient time of flight; and providing separation means for separating the mist of fine droplets from the oxidant stream. A regeneration zone, a fuel cell, and use of the regeneration zone are also provided..
09/11/14
20140255733
Aircraft fuel cell system with catalytic burner system
Disclosed are fuel cell systems used as power sources aboard aircraft and utilizing catalytic systems. Fuel cell systems can include a fuel cell assembly and a catalyst system.
09/11/14
20140255730
Scalable micro power cells with no-gap arrangement between electron and proton transfer elements
Energy is probably one of the most important issues of the current century. New sources, approaches and systems have been studied in order to find suitable and more reliable power sources and energy harvesting devices.
09/11/14
20140255729
Microbial fuel cell having electrically conductive foam electrode
A microbial fuel cell includes an anode and a cathode in at least one compartment. A wastewater inlet provides a wastewater flow to the anode and an electron receptor inlet provides oxygen or other electron-acceptor to the cathode.
09/11/14
20140255619
Method for producing a fuel cell separator
Provided is a method for producing a fuel cell separator which can achieve a stable power generation over a prolonged period of time and a method of producing the fuel cell separator. The fuel cell separator has a recess for gas flow path whose surface is roughened in such a manner that the arithmetic mean roughness ra is 0.5 to 10 μm, and the recess for gas flow path is brought into contact with a fluorine-containing gas or a gas containing both fluorine and oxygen.
09/11/14
20140251835
Fuel cell fermentation monitor
Systems and methods for implementing an automated process which calculates the current specific gravity of a liquid by using the original gravity of a fermenting liquid and a measurement of the percent alcohol by volume.. .
09/04/14
20140249959
Vehicle evaluation device and vehicle evaluation method
Various forms of vehicle driving energy are provided for vehicles, such as gasoline vehicle, hybrid vehicle, ethanol vehicle, electric vehicle and fuel cell vehicle. In such circumstances, an index is desired by vehicle purchasers, which has a viewpoint on the benefit to be obtained by using an electricity storing section of a vehicle for other than running the vehicle, and with which the economic efficiencies of those vehicles can be more clearly compared/examined, in the correlation between the prices of the abovementioned vehicles using various vehicle drive energy modes, and the fuel consumption and the drive energy consumption costs thereof.
09/04/14
20140248552
Support for fuel cell, method of preparing the same, and electrode for fuel cell, membrane-electrode assemby for a fuel cell and fuel cell system including same
A support for a fuel cell includes a substrate including highly crystalline carbon, and a crystalline carbon layer on the substrate.. .
09/04/14
20140248551
Control device for fuel cell system
A fuel cell system includes, an oxidant feeder configured to supply an oxidant to a fuel cell, an oxidant passage which communicates with the fuel cell, a bypass passage which branches from the oxidant passage and along which part of the oxidant flows so as to bypass the fuel cell, a bypass valve which is provided in the bypass passage, an oxidant quantity-of-flow control unit which is configured to supply the quantity of flow of the oxidant corresponding to an amount of electricity required by the fuel cell, and an oxidant quantity-of-flow control unit for a sound vibration mode configured to supply a constant quantity of flow of the oxidant, and further includes a bypass valve control unit configured to control the bypass valve according to a requirement of the fuel cell when the oxidant quantity-of-flow control unit for the sound vibration mode controls the oxidant feeder.. .
09/04/14
20140248550
Ion exchanger and cooler having ion exchanger
An ion exchanger configured to remove an impurity ion of a coolant for cooling a fuel cell, the ion exchanger includes an inflow portion having an inflow path where the coolant enters, a discharge portion having a discharge path for discharging the coolant, an outer casing having an upstream end where the inflow portion is provided and a downstream end where the discharge portion is provided, an inner casing housed inside the outer casing, an outer path formed between the inner casing and the outer casing to cause the inflow path and the discharge path to communicate with each other, and an inner path that is formed inside the inner casing to cause the inflow path and the discharge path to communicate with each other and is configured to enclose an ion exchange resin capable of removing an impurity ion of the coolant. The inner casing has a through-hole that causes the inner path end the outer path to communicate with each other..
09/04/14
20140248549
Fuel cell
A fuel cell includes a membrane electrode assembly, a separator, a fluid channel, a fluid manifold, a plurality of protruding elastic members, and a plurality of sealing members. A fluid is to flow in a stacking direction through the fluid manifold.
09/04/14
20140248548
Output control apparatus for fuel cell
The object of the present invention is to balance: the suppression of deterioration of a fuel cell and degradation of its durability and the optimization of the output control of the fuel cell. The present invention provides an output control apparatus for a fuel cell, being capable of switching a control mode between a power control mode in which an output power of a fuel cell connected to a load is controlled so as to be at a target power and a voltage control mode in which an output voltage of the fuel cell is controlled so as to be at a target voltage, wherein a control in the voltage control mode is performed when the output voltage of the fuel cell decreases below a predetermined low voltage threshold value..
09/04/14
20140248547
Method and arrangement for avoiding anode oxidation
An arrangement for high temperature fuel cell system for substantially reducing the amount of purge gas in an emergency shut-down situation. The arrangement includes a known volume for containing a pneumatic actuation pressure, the known volume including at least one discharge route for designed discharge rate, at least one pressure source providing pressure capable of performing the pneumatic actuation, at least one purge gas source having a gas overpressure capable of displacing residual reactants in the fuel cell system.
09/04/14
20140248546
Hydrogen generator for a fuel cell
A hydrogen generator includes a housing, a pellet strip with a plurality of pellets disposed on a flexible carrier, the pellets including a hydrogen containing material that will release hydrogen gas when heated. A feed system feeds the pellet strip to sequentially position one or more pellets in proximity to a heater that heats the pellets to release hydrogen gas.
09/04/14
20140248545
Fuel cell system
A fuel cell system (100) includes: a fuel cell (60); a fuel processor (41) including a reformer (43) and a co reducer (44, 45); a combustor (42); a first air supply device (46); an electric heater (50); a power supply device (200); a power outage detector (11); and a controller (10). The controller is configured such that, in a power outage state where the power outage detector has detected the power outage before the fuel cell generates electric power, the controller performs at least one of: increasing a supply amount of the combustion air to be greater than in a power supplied state where the power outage detector does not detect the power outage; and decreasing a supply amount of the combustible gas to be less than in the power supplied state, and decreases an amount of heating by the electric heater..
09/04/14
20140248441
Electrode catalyst with elongated needle-shaped carrier for alkaline fuel cell, alkaline fuel cell, and formation method for alkaline fuel cell electrode catalyst with elongated needle-shaped carrier
In an alkaline fuel cell, an electrode catalyst includes a magnetic material, and catalyst particles supported on the magnetic material. Besides, the alkaline fuel cell includes an electrode that has the function of allowing negative ions to permeate through the electrolyte, and an anode electrode and a cathode electrode respectively disposed on the both sides of the electrode, and at least the cathode electrode of the both electrodes is the electrode catalyst..
09/04/14
20140247053
Method of utilizing power transistor of fuel cell stack diagnostic system
A method and an apparatus using a power transistor in a fuel cell stack diagnostic system provides an apparatus using a power transistor in a fuel cell stack diagnostic system. The apparatus includes a regenerative braking detector that detects regenerative braking of a fuel cell vehicle equipped with a fuel cell stack diagnostic system; a voltage rise determiner that determines whether a voltage rise due to regenerative braking of a fuel cell vehicle is a predetermined value or more; and a power transistor controller that controls an ac signal generator so that the voltage due to the regenerative braking is discharged by the power transistor, when the voltage rise due to regenerative braking determined by the voltage rise determiner is a predetermined value or more..
09/04/14
20140245974
Fuel production apparatus
The present invention concerns fuel production apparatus for use with a combustion device. The apparatus comprises a fuel cell (12) for generating a combustible gas for combustion by said combustion device and power supply means (6) for said fuel cell, said power supply means comprising means for converting energy from a source of waste energy (2) associated with the combustion device into electrical energy for powering said fuel cell..
08/28/14
20140244064
Energy management system, energy management apparatus, and power management method
An energy management system 1 comprises a control unit 540 that, when a unit price of the fuel cell is higher than a power purchase unit price, controls an sofc 110 in a restrained state where output of the sofc 110 is restrained.. .
08/28/14
20140242497
Composite separator for polymer electrolyte membrane fuel cell and method for manufacturing the same
The present invention provides a composite separator for a polymer electrolyte membrane fuel cell (pemfc) and a method for manufacturing the same. The inventive method involves allowing graphite foil layers to be brought into direct contact with each other when graphite foils are stacked on both sides of a carbon fiber reinforced composite material prepreg, thereby improving electrical conductivity in the thickness direction of the separator..
08/28/14
20140242495
Anode with remarkable stability under conditions of extreme fuel starvation
A solid oxide fuel cell (sofc) includes a cathode electrode, a solid oxide electrolyte, and an anode electrode having a first region located adjacent to a fuel inlet and a second region located adjacent to a fuel outlet. The anode electrode includes a cermet having a nickel containing phase and a ceramic phase.
08/28/14
20140242494
High temperature membrane electrode assembly with high power density and corresponding method of making
A membrane electrode assembly (mea) with enhanced current density or power density is fabricated using high temperature (ht) proton exchange membrane (pem). The mea can be utilized in high temperature pem fuel cell applications.
08/28/14
20140242493
Direct carbon electrochemical cell
A direct carbon fuel cell dcfc system (5), the system comprising an electrochemical cell, the electrochemical cell (10) comprising a cathode (30), a solid state first electrolyte (25) and an anode (20), wherein, the system further comprises an anode chamber containing a second electrolyte (125) and a fuel (120). The system, when using molten carbonate as second electrolyte, is preferably purged with co2 via purge gas inlet (60)..
08/28/14
20140242492
Fuel cell stack compression devices and methods
A spring compression assembly is configured to apply a load to a stack of electrochemical cells. The assembly includes a ceramic leaf spring, a tensioner configured to apply pressure to a first side of the spring and a bottom plate located on a second side of the spring opposite the first side of the spring.
08/28/14
20140242491
Fuel cell system including diagnostic technique for unbalanced compressor
A diagnostic system for determining whether a rotor shaft of a compressor is unbalanced. The compressor includes a displacement sensor that measures the displacement of the rotor shaft as it is rotating.
08/28/14
20140242489
Solid oxide fuel cell system
To provide a solid oxide fuel cell system capable of efficiently and simply controlling a low speed fuel cell module and a high speed inverter. The invention is a solid oxide fuel cell system, comprising: a fuel cell module, a fuel flow regulator unit, a control section comprising a first power demand detection circuit for controlling the fuel supply amount and for setting the value of current extractable from the fuel cell module; an inverter for extracting current from fuel cell module; and a second power demand detection circuit; and having an inverter control section for controlling the inverter independently from the fuel cell controller so that a current responsive to power demand is extracted from the fuel cell module in a range not exceeding the extractable current value input from the fuel cell controller..
08/28/14
20140242488
Solid oxide fuel cell system
The present invention is a solid oxide fuel cell system for generating variable power in response to power demand, having: a fuel cell module; a fuel supply device; a power demand detection device; a controller for controlling the amount of fuel supplied by the fuel supply device based on the power demand, and for setting an extractable current value, being the maximum extractable current value; an inverter for extracting current from the fuel cell module within a range not exceeding the extractable current value; and an extractable current detection device for detecting actual extracted current extracted from the fuel cell module; whereby if certain increase-limiting condition is matched, then even when power demand is rising, the controller maintains the extractable current value at a certain value, or lowers the extractable current value, and does not increase that extractable current value.. .
08/28/14
20140242487
Fuel cell system
A fuel cell system includes a control valve for controlling the pressure of anode gas to be supplied to a fuel cell, a buffer unit for storing anode off-gas discharged from the fuel cell, and a start-up anode gas pressure control unit for feeding inert gas in an anode gas flow passage of the fuel cell under pressure to the buffer unit by controlling the pressure of the anode gas to be supplied to the fuel cell when the fuel cell system is started. The start-up anode gas pressure control unit controls the pressure of the anode gas according to a temperature difference between the temperature of the fuel cell and that of the buffer unit..
08/28/14
20140242486
Apparatus and method for generating virtual sound source for monitoring the operating state of a fuel cell stack
The present invention provides an apparatus and method for generating a virtual sound source for monitoring the operating state of a fuel cell stack, which monitors in real time the deviation and deterioration of a plurality of cells in a fuel cell stack during operation, and expresses the results as a chord or different sounds, thus allowing a driver to easily recognize the operating state of the fuel cell stack. .
08/28/14
20140242485
Fuel cell module
A fuel cell module includes a first area where an exhaust gas combustor and a start-up combustor are provided, an annular second area disposed around the first area where a heat exchanger is provided, an annular third area disposed around the second area where a reformer is provided, and an annular fourth area disposed around the third area where an evaporator is provided. In the first area, the exhaust gas combustor and the start-up combustor are provided coaxially in the same space..
08/28/14
20140242484
Fuel cell module
A fuel cell module includes a first area where an exhaust gas combustor and a start-up combustor are provided, an annular second area disposed around the first area where a heat exchanger is provided, an annular third area disposed around the second area where a reformer is provided, and an annular fourth area disposed around the third area where an evaporator is provided. The fuel cell module includes a first partition plate having first combustion gas holes, a second partition plate having second combustion gas holes, and a third partition plate having third combustion gas holes..
08/28/14
20140242483
Solid oxide fuel cell system
A solid oxide fuel cell system (10) comprises a solid oxide fuel cell stack (12) and a gas turbine engine (14). The solid oxide fuel cell stack (12) comprises a plurality of solid oxide fuel cells (16).
08/28/14
20140242482
Systems and processes for operating fuel cell systems
Processes and systems for operating molten carbonate fuel cell systems are described herein. A process for operating a molten carbonate fuel cell system includes providing a hydrogen-containing stream comprising molecular hydrogen to an anode portion of a molten carbonate fuel cell; controlling a flow rate of the hydrogen-containing stream to the anode such that molecular hydrogen utilization in the anode is less than 50%; mixing anode exhaust comprising molecular hydrogen from the molten carbonate fuel cell with a hydrocarbon stream comprising hydrocarbons, contacting at least a portion of the mixture of anode exhaust and the hydrocarbon stream with a catalyst to produce a steam reforming feed; separating at least a portion of molecular hydrogen from the steam reforming feed; and providing at least a portion of the separated molecular hydrogen to the molten carbonate fuel cell anode..
08/28/14
20140242481
Separating device for a fuel cell system, fuel cell system with the separating device and method for operating the separating device
A device for separating a fluid having a water and gas portion in a fuel cell system includes a fluid inlet an a fluid outlet with an outlet valve. The separating device includes a first reservoir region for collecting the water portion of the fluid.
08/28/14
20140242480
Fuel cell system
A fuel cell system includes a fuel cell module for generating electrical energy by electrochemical reactions of a fuel gas and an oxygen-containing gas, and a condenser for condensing water vapor in an exhaust gas discharged from the fuel cell module by heat exchange between the exhaust gas and a coolant to collect the condensed water and supplying the collected condensed water to the fuel cell module. The condenser includes an air cooling condenser using the oxygen-containing gas as the coolant and a water cooling condenser using hot water stored in a hot water tank as the coolant.
08/28/14
20140242477
Electrolyte membrane for solid polymer-type fuel cell, method for producing same, and solid polymer-type fuel cell
An object of the present invention is to provide an electrolyte membrane that suppresses swelling and shrinkage caused by water retained in the electrolyte membrane for a solid polymer-type fuel cell, improves the durability of the electrolyte membrane, and obtains excellent power generation characteristics with a low resistance. The electrolyte membrane for a solid polymer-type fuel cell includes, as a reinforcing membrane, a nonwoven fabric composed of an electrolyte material and pvdf bicomponent fibers 2a, thereby improving the durability of the electrolyte membrane.
08/28/14
20140242368
Process for producing ion exchange membranes by melt-processing of acidic pfsa ionomers
A process for producing an ion exchange membrane involves melt-processing a mixture of a perfluorosulfonic acid ionomer in its acid form and a specific azole additive. The additive may be a triazole, alkyl triazole, vinyl triazole, fluoro-alkyl triazole, fluoro-vinyl triazole, pyrazole, alkyl pyrazole, vinyl pyrazole, fluoro-alkyl pyrazole, fluoro-vinyl pyrazole, benzimidazole, alkyl benzimidazole, vinyl benzimidazole, fluoro-alkyl benzimidazole, fluoro-vinyl benzimidazole or any mixture thereof to form a film having a thickness of from 3 to 200 microns.


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This listing is a sample listing of patent applications related to Fuel Cell for is only meant as a recent sample of applications filed, not a comprehensive history. There may be associated servicemarks and trademarks related to these patents. Please check with patent attorney if you need further assistance or plan to use for business purposes. This patent data is also published to the public by the USPTO and available for free on their website. Note that there may be alternative spellings for Fuel Cell with additional patents listed. Browse our RSS directory or Search for other possible listings.
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