|| List of recent Fuel Cell-related patents
| 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.. .
| 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..
| 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.
| 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.
| 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)..
| 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.
| 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.
| 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..
| 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.. .
| 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..
| 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. .
| 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..
| 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..
| 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).
| 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..
| 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.
| 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.
| 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.
| 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.
| Fuel cell inspection method and inspection device|
A fuel cell inspection method includes: applying dc voltage of a first voltage value, in a first period, to a power generation element that has an electrolyte membrane, an anode-side catalyst layer disposed on one side of the electrolyte membrane, and a cathode-side catalyst layer disposed on the other side of the electrolyte membrane; and applying, to the power generation element, dc voltage of a second voltage value that is lower than the first voltage value, in a second period after the first period; and detecting a value of current flowing in the power generation element.. .
| Low cost high performance electrode for energy storage devices and systems and method of making same|
The present invention is directed to a low cost, high performance electrode for energy storage devices and energy storage systems and a method for making same is disclosed, where a flexible binder is mixed with partial active and conductive materials in the electrode formulation and activated by mixing with a minimum amount of solvent it is then mixed with the remaining active and conductive materials and the binder is uniformly deposited on to the active and conductive particles by high speed mixing. The active and conductive particles deposited with activated binder particles are then pressed together to form free standing electrode film.
| Hydrogen generator, ammonia-burning internal combustion engine, and fuel cell|
A hydrogen generator that can be operated in a broad temperature range is disclosed, which comprises a first ammonia conversion part having a hydrogen-generating material which reacts with ammonia in a first temperature range so as to generate hydrogen; a second ammonia conversion part having an ammonia-decomposing catalyst which decomposes ammonia into hydrogen and nitrogen in a second temperature range; an ammonia supply part which supplies ammonia; and an ammonia supply passage which supplies ammonia from said ammonia supply part to the first and second ammonia conversion parts. The first temperature range includes temperatures lower than the second temperature range, and hydrogen is generated from ammonia by selectively using the first and second ammonia conversion parts.
|Apparatus and method for softsensing fuel cell system|
Provided are an apparatus and a method for soft-sensing a vehicle or stationary fuel cell system capable of predicting a quality variable based on a process variable and providing the predicted quality variable in real time.. .
|Fuel cell separator sealing material|
In a fuel cell separator comprising a separator substrate, a first primer layer, a second primer layer, and an elastomeric seal layer, the first primer layer is formed by firing an organometallic compound, the second primer layer is formed by firing an organosilicon compound having a si—h group, and the elastomeric seal layer is formed by curing a liquid addition-curable silicone rubber composition comprising an alkenyl-containing base polymer and an si—h group-containing crosslinker.. .
|Solid oxide fuel cell and manufacturing method thereof|
There are provided a solid oxide fuel cell capable of firmly sealing an anode while simultaneously securing rigidity of an anode support structure, and a manufacturing method thereof. The solid oxide fuel cell includes an electrolyte layer, a cathode provided on one surface of the electrolyte layer, an anode provided on the other surface of the electrolyte layer, and at least one reinforcing member disposed within the anode to reinforce rigidity thereof..
|Immobilized heteropoly acids and the use of the same for electrode stabilization and enhancement|
The use of fuel cells to produce electricity are known as an environmentally clean and reliable source of energy, and show promise as an automotive power source if the polymer electrolyte membrane fuel cell can be made less expensive, more durable, reduce or eliminate humidification of the reactive gases, and operate at temperatures encountered during automotive operating conditions. The use of an electro-catalyst formed from heteropoly acids immobilized by a conductive material, such as carbon or platinum black, and stabilizing a metallic black with the immobilized conductive material addressed these automotive fuel cell needs.
|Electrolyte membrane-electrode structure with resin frame for fuel cells|
An electrolyte membrane-electrode structure with a resin frame is provided with: an electrolyte membrane-electrode structure that is provided with an anode-side electrode and a cathode-side electrode, with a solid polymer electrolyte membrane being held therebetween; and a resin frame member that is arranged around the outer periphery of the solid polymer electrolyte membrane. An intermediate layer is continuously arranged: between an outer peripheral end portion of the cathode-side electrode and a first inner peripheral end portion of the resin frame member; on an outer peripheral end portion of the solid polymer electrolyte membrane, said outer peripheral end portion being exposed outside the outer peripheral end portion of the cathode-side electrode; and between an outer peripheral end portion of the anode-side electrode and a second inner peripheral end portion of the resin frame member..
|Metallic bipolar plate for a proton-exchange membrance fuel cell|
A metallic plate for a proton-exchange membrane fuel cell (pemfc) having, on at least one of its surfaces, a coating including: conductive material fillers; a polymer used as a binder; and a metal cation absorbing compound.. .
|Fuel cell stack|
A fuel cell stack includes a stacked body which includes separators and a membrane electrode assembly. A first terminal plate, a first insulator, and a first end plate are disposed at a first end of the stacked body.
|Fuel cell stack|
A fuel cell stack includes a stacked body, a first terminal plate, a first insulator, a first end plate, a second terminal plate, a second insulator, a second end plate, a fluid manifold, a fluid channel, a fluid hole, a first connection passage, and a second connection passage. The stacked body includes a plurality of separators and a membrane electrode assembly.
|Enhanced bonding in fuel cells|
Methods, systems, and articles relating to enhanced bonding of layers in a planar fuel cell. A planar fuel cell having a composite layer is bonded to an outer layer (e.g., a fuel or fluid manifold) using intrusions that extend through an electrolyte layer and into an underlying layer (e.g., a substrate component or a current-collector component)..
|Fuel cell stack|
A fuel cell stack is formed by stacking a plurality of fuel cells in a stacking direction, and at both ends in the stacking direction of the fuel cells, a first end plate and a second plate are provided. An oxygen-containing gas supply connection pipe connected to an oxygen-containing gas supply passage is attached to the first end plate.
|Fuel cell stack|
A fuel cell stack includes a plurality of power generation units, a reactant gas channel, and a coolant channel. The plurality of power generation units are stacked in a stacking direction to provide a stacked body and each includes a first separator, a first electrolyte electrode assembly, a second separator, a second electrolyte electrode assembly, and a third separator.
|Fuel cell apparatus|
A fuel cell apparatus includes a fuel cell generating electric power, and including a fuel electrode which includes an anode catalyst, which is disposed in one side of an electrolyte membrane, which is supplied with liquid fuel, and which discharges gas generated by a chemical reaction accelerated by the anode catalyst, and an oxidizing agent electrode which includes a cathode catalyst, which is disposed in the other side of the electrolyte membrane, and which is supplied with air, and a control unit controlling a load applied to the fuel cell. The control unit increases the load in at least one of two cases, one case being when electric power generated by the fuel cell lowers below a predetermined reference value and another case being at predetermined time intervals, and stops the increase of the load after elapsing a predetermined time period from the start of the increase of the load..
|Direct oxidation fuel cell system with uniform vapor delivery of fuel|
In one embodiment, a membrane electrode assembly of a fuel cell has an anode aspect and a cathode aspect. A fuel distribution structure is disposed adjacent to the anode aspect.
|Passive temperature supervision device for a compressed gas fuel tank|
Passive temperature supervision devices for detecting temperature changes in compressed gaseous fuel storage systems of fuel cell systems. More specifically, systems and methods for detecting temperature changes in compressed gaseous fuel storage systems such as compressed gaseous fuel tanks of motor vehicles, where increases and decreases in temperature can be detected without the need for electric supervision systems..
|Solid oxide fuel cell system|
The invention is a solid oxide fuel cell system including: a fuel cell module, a fuel flow regulator unit, a first power demand detection device, a control section for controlling a fuel supply amount and setting the current value extractable from the fuel cell module, an inverter for extracting current in a range not exceeding the extractable current value, and a power state detecting sensor for detecting actual extracted current value; whereby if actual extracted current value declines, then under circumstances where power demand begins to rise in a state of extra margin in the fuel supply amount after the controller suddenly decreases the extractable current value and suddenly reduces the electrical collector, the controller increases the extractable current value at a high current rise rate of change.. .
|Solid oxide fuel cell device|
The present invention is a solid oxide fuel cell device with a load following function for changing a fuel supply rate in response to a load defined as a required power determined by demand power. The solid oxide fuel cell device comprises a fuel cell module having a fuel cell stack composed of a plurality of solid oxide fuel cells and a reformer for reforming fuel and supplying the fuel to the fuel cells; an inverter for receiving electrical power generated by the fuel cell module and converting the power to alternating power; a command power value setting device for setting a command power value to be generated by the fuel cell module based on the amount of load; a fuel control device for determining an fuel supply rate and supplying the fuel by the fuel supply rate to the fuel cells so as to generate the command power value; an inverter permitted power value instruction device for instructing to the inverter an inverter permitted power value corresponding to the command power value, which is the permitted amount of power to be extracted from the fuel cell module, after the fuel has been supplied by the fuel supply rate to the fuel cells by the fuel control device; and an inverter permitted power value change device for changing an amount of change per unit time in a next inverter permitted power value based on a temperature inside the fuel cell module and outputting the amount of change per unit time to the inverter permitted power value instruction device; wherein the inverter permitted power value change device changes the amount of change per unit time in the inverter permitted power value to be larger, the higher the temperature is, in a temperature region equal to or lower than a first predetermined temperature, and to be smaller, the higher the temperature is, in a temperature region equal to or higher than a second predetermined temperature..
|High temperature fuel cell/electrolyzer system with energy storage media and auxiliaries outside the fuel cell power generator|
A fuel cell system (10) basically containing an energy storage subunit (14) which receives feed fuel (17) or recirculated fuel (23) both containing h2 where either fuel is contacted with a metal in the energy storage subunit (14) to provide a h2 rich fuel (18) to a fuel cell power generator (20) that is completely separated from all other components such as possible reformers (13), thermal energy sources (16) and storage media subunits (24, 35).. .
|Reversible fuel cell and reversible fuel cell system|
A reversible fuel cell includes a positive electrode containing manganese dioxide, a negative electrode containing a hydrogen storage material, a separator disposed between the positive electrode and the negative electrode, and an electrolyte. Each of the negative electrode and the positive electrode is an electrode for power generation and is also an electrode that applies electrolysis to the electrolyte using electric current to be fed from the outside.
|Fuel-cell systems operable in multiple modes for variable processing of feedstock materials and associated devices, systems and methods|
Fuel cells for selectively reacting a feedstock material with or without generating electricity, and associated systems and methods are disclosed. A fuel cell system in accordance with a particular embodiment includes a first electrode positioned in a first region, a second electrode positioned in a second region, an ion-transport medium between the first and second regions, and an electrical circuit connected between the first and second electrodes.
|Portable electronic device for wearing at the ear and a method of operating a portable electronic device|
A portable electronic device (100) comprises a fuel cell (101) and a boost converter (102), wherein said boost converter (102) is adapted for boosting the fuel cell voltage to a level suitable to power the portable electronic device (100) and wherein said boost converter (102) is powered by said fuel cell (101). The invention also provides a method of operating a portable electronic device..
|Transportable hybrid power system|
A transportable, deployable power system comprising a hybrid power box containing solar panels, wind turbine(s), fuel cells, fuel reformers, and other energy sources. The system could also include waste water and potable water inlet and outlet ports for water treatment.
|Power generation system and operating method thereof|
A power generation system has a fuel cell, a gas turbine, an exhausted oxidant line, a fuel gas supply line, an exhausted fuel gas supply line, a supply amount adjustment unit, and a control system including an information acquisition unit, a calculation unit, and a fuel gas supply control unit. The information acquisition unit acquires an output command of the gas turbine, an atmospheric temperature, a temperature of the exhausted oxidant supplied to the gas turbine, and a temperature of the exhausted fuel gas supplied to the gas turbine.
|Method for manufacturing corrosion resistant and conductive nano carbon coating layer and fuel cell bipolar plate thereby using stainless steel substrate|
The present invention proposed manufacturing method of coating layers with good conductivity and corrosion resistance at high productivity comprising etching the oxide layer on the stainless steel substrate by plasma etching to activate the surface and prevent from decreasing it's conductivity, coating metal nitrides like crn or tin in nano size thickness on the etched surface and coating carbon layer at nano size thickness on top of it. According to the present invention, it is possible to produce manufacture fuel cell bipolar plate, electrode material and stainless steel with reinforced conductivity and corrosion resistance in mass..
|Fuel cell separator plates|
The invention relates to separator plates (108) for fuel cells, and in particular to separator plates having particular geometries for improved edge sealing properties. Exemplary embodiments of the invention include a fuel cell separator plate (308) having first and second opposing faces (304, 305), the separator plate having a series of corrugations (301) extending, and providing air flow paths (302), between first and second opposing edges of the plate, wherein crests of corrugations along the first face (304) proximate the first edge (303) of the plate are depressed to be coplanar with adjacent crests of corrugations along the second face such that a greater contact surface on the second face (305) is provided compared with the first face (304)..
|Anion transport membrane|
An anion transport membrane is provided enabling efficient anion exchange across the membrane, which could be used in applications like fuel cells, water electrolyzers, or water filtration systems. The structural membrane morphology is based on a hydrophobic polysulfone membrane backbone and co-grafted thereon hydrophilic poly(ethylene glycol) grafts and anion conducting quaternary ammonium species.
|Cell voltage monitoring connector system for a fuel cell stack|
An electrical connection system for cell voltage monitoring in a fuel cell stack. The fuel cell stack comprises a plurality of layers and a plurality of electrically conductive connection tabs extending outwardly from at least one face of the stack.
|Electrolyte formation for a solid oxide fuel cell device|
A method of fabricating a ssz/sdc bi-layer electrolyte solid oxide fuel cell, comprising the steps of: fabricating an nio-ysz anode substrate from a mixed nio and yttria-stabilized zirconia by tape casting; sequentially depositing a nio-ssz buffer layer, a thin ssz electrolyte layer and a sdc electrolyte on the nio-ysz anode substrate by a particle suspension coating or spraying process, wherein the layers are co-fired at high temperature to densify the electrolyte layers to at least about 96% of their theoretical densities; and painting/spraying a ssc-sdc slurry on the sdc electrolyte to form a porous ssc-sdc cathode. A ssz/sdc bi-layer electrolyte cell device and a method of using such device are also discussed..
|Solid oxide fuel cell device|
In a fuel cell unit 16 that constitutes a fuel cell module 2 of an sofc device 1, a collector cap 86a is connected to an inner electrode layer 90 via a seal material 96 as an ag seal portion. A glass coating 30 (dense body) is filled up between the inner electrode layer 90 and an electrolyte layer 94 and the collector cap 86a to cover an upper end surface 96a of the seal material 96.
A fuel cell includes a power generation unit. A first resin frame member is provided in an outer portion of a first membrane electrode assembly of the power generation unit.
|Fuel cell stack and fuel cell system|
A fuel cell stack formed by stacking two or more fuel cell layers each constituted of one or more unit cell and a fuel cell system including the same are provided. Any two fuel cell layers adjacent to each other each have one or more gap region.
|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. A stress absorber for absorbing heat stress is provided in at least one of the first area, the second area, the third area, and the fourth area..
|Fuel cell system|
A fuel cell system includes at least one fuel cell and a humidifying device for humidifying a supply air flow flowing to a cathode chamber of the fuel cell by an exhaust air flow discharged from the cathode chamber of the fuel cell. The supply air flow and the exhaust air flow are separated from one another by water vapor-permeable membranes.
|System and method for managing water generated by fuel cells|
A system and method for managing water produced by fuel cells where this waste water is captured and used for agricultural, industrial or community purposes along with electricity generated by the fuel cells. Water from a coastal (or lake coast) region can be converted by electricity into hydrogen and oxygen gas or hydrogen and chlorine gas with the hydrogen gas being piped to remote regions for conversion into fresh water and electricity by fuel cells.
|Production method for a support type coating membrane using tape casting|
The present invention relates to a production method for a support type ceramic membrane using tape casting, wherein, when producing a multifunctional membrane comprising a membrane structure such as a general electrochemical device or electrolysis cell or fuel cell, a dense-structure coating membrane or porous functional (separation) membrane is produced on one or more surfaces of a porous support.. .