This page is updated frequently with new Fuel Cell-related patent applications.
|| List of recent Fuel Cell-related patents
| Dummy cell and fuel cell stack|
A dummy cell laminated on a fuel cell stack and configured not to perform power generation includes: a common appearance portion having an appearance common with an appearance of a power generation cell used in the fuel cell stack and configured to perform power generation; and a non-common appearance portion having an appearance different from the appearance of the power generation cell.. .
Toyota Jidosha Kabushiki Kaisha
| Method for manufacturing anode support of solid oxide fuel cell, and anode support of solid oxide fuel cell|
The present application relates to a method of manufacturing an anode support of a solid oxide fuel cell and an anode support of a solid oxide fuel cell, and may improve performance and durability of the fuel cell by improving an interfacial property between the anode support and an electrolyte.. .
Lg Chem, Ltd.
| Membrane electrode assemblies including mixed carbon particles|
Gas permeable layers in fuel cell membrane electrode assemblies are provided which comprises a mixture of first and second types of carbon particles, which may provide relatively hydrophilic and relatively hydrophobic pathways. In some embodiments, the first type of carbon particle oxidizes at a lower rate than said second type of carbon particle.
3m Innovative Properties Company
| A fuel cell unit|
This invention relates to fuel cell unit for use in aggregating fuel cells, particularly useful for use when fuel cells are connected in parallel. Improving the management of fuel cell outputs across a plurality of aggregated fuel cells improves efficiency of the fuel cells.
Lg Fuel Cell Systems Inc.
| System and controlling fuel cell of vehicle|
A system and method for controlling a fuel cell of a vehicle are provided. The method includes sensing a time point when pressure control is necessary by sensing whether an output of the fuel cell is additionally necessary or whether the fuel cell can be in a dry-out state.
Kia Motors Corporation
| Self-heating fuel cell systems|
fuel cell systems, e.g. Systems including proton exchange membrane (pem) fuel cells, are engineered to have more than one internal electrical resistance that can change according to temperature.
Ec Power, Llc
| Cooling and heating device|
This cooling and heating device includes: a fuel cell device including a fuel cell; a heating unit which utilizes the heat of exhaust gas discharged from the fuel cell; a thermoacoustic cooler (14) including a cooling unit which performs a cooling function with use of the heat of the exhaust gas discharged from the fuel cell; and an exhaust gas switching unit (25) which allows the exhaust gas discharged from the fuel cell to be supplied to at least one of the thermoacoustic cooler (14) and the heating unit, whereby there can be provided a cooling and heating device which effectively utilizes the exhaust gas of a fuel cell.. .
| Fuel cell stack|
A fuel cell stack includes a first power generation unit and a second power generation unit. Wave-like first fuel gas flow passages of the first power generation unit and wave-like first fuel gas flow passages of the second power generation unit are set to mutually different phases.
Honda Motor Co., Ltd.
| Caged nanoparticle electrocatalyst with high stability and gas transport property|
A method for forming a caged electrocatalyst particles for fuel cell applications include a step of forming modified particles having a porous sio2 shell on a surface of platinum-containing particles. The modified particles are subjected to acid treatment or electrochemical oxidation to remove a portion of the platinum-containing particle thereby creating caged electrocatalyst particles having a gap between the platinum-containing particles and their sio2 shell..
Gm Global Technology Operations Llc
| Modular electrochemical cells|
A gas diffusion electrode for an electro-synthetic or electro-energy cell, for example a fuel cell, including one or more gas permeable layers, a first conductive layer provided on a first side of the gas diffusion electrode, and a second layer, which may be a second conductive layer, provided on a second side of the gas diffusion electrode. The one or more gas permeable layers are positioned between the first conductive layer and the second layer, which may be a second conductive layer, and the one or more gas permeable layers provide a gas channel.
Aquahydrex Pty Ltd
Gas analyzer with fuel cell
The invention relates to gas analyzers, especially mobile ion mobility spectrometers or mass spectrometers which are operated at atmospheric pressure to detect dangerous substances. The invention uses a fuel cell to generate the electric operating power of the gas analyzer, and the waste heat from the fuel cell is used to regulate the temperature of modules of the gas analyzer..
Bruker Daltonik Gmbh
Heater and operating
A plurality of heaters is provided where each of the plurality of heaters includes a fuel cell stack assembly having a plurality of fuel cells which convert chemical energy from a fuel into heat and electricity through a chemical reaction with an oxidizing agent. Each of the plurality of fuel cells also includes a conductor electrically connecting the fuel cell stack assembly to an electronic controller which monitors and controls electric current produced by the fuel cell stack assembly.
Delphi Technologies, Inc.
Drive system for a water vehicle, operating a drive system, and water vehicle having the drive system
A drive system for a water vehicle, in particular for a submarine underwater vehicle or an unmanned underwater vehicle, includes a fuel cell system, at least one operating-gas container for supplying the fuel cell system with an operating gas, and a compressor arranged on a gas discharge line for compressing a residual gas from the fuel cell system, wherein a turbine arranged between the operating-gas container and the fuel cell system is provided for expanding the operating gas before the operating gas enters the fuel cell system, where the compressor is driven by the turbine such that the energy balance of the drive system is thereby improved.. .
Moving body equipped with fuel cell
There is provided a technique of improving an intake structure that takes in the outside air in a fuel cell vehicle. A fuel cell vehicle 10 includes first and second grilles 11 and 12 that are configured to be open forward and take in the outside air.
Toyota Jidosha Kabushiki Kaisha
Fuel cell vehicle and mounting fuel cell stack on vehicle (as amended)
A fuel cell vehicle which a fuel cell stack is mounted on comprises a stack case that is configured to place the fuel cell stack therein; mounts that are configured to fix the stack case to a vehicle body; ribs, each being provided to be extended from a position adjacent to the mount across an upper surface of the stack case; and a damping member that is provided between adjacent ribs on the upper surface of the stack case. The damping member is a material formed by applying an aluminum sheet on butyl rubber.
Toyota Jidosha Kabushiki Kaisha
Fuel cell system including multiple fuel cell stacks
A fuel cell system (100), which includes multiple fuel cell stacks (10, 20) having a pair of adjacent fuel cell stacks (10, 20), namely a first fuel cell stack (10) and a second fuel cell stack (20), each including multiple fuel cells (2), as well as multiple main channels (11, 12, 13) which penetrate the fuel cell stacks (10, 20) for distributing the operating agents to the individual fuel cells (2) is provided. It is provided that the fuel cell stacks (10, 20) of one pair are situated in such a way that a sequence of the main channels (11, 12, 13) is mirror-symmetrical to a plane running between the adjacent fuel cell stacks (10, 20) of the pair, with respect to the different operating agents..
Method for operating a fuel cell stack
A method for operating a fuel cell stack which includes a number of fuel cells and at least one gas circuit, where the fuel cells are supplied on the gas inlet side with oxygen and hydrogen as reaction gases, and where at least oxygen is circulated in the fuel cells via the gas circuit, so as to provide a fuel cell stack with a simple structure and reliable intergas removal.. .
Method for changing a fuel cell system over to a standby mode as well as such a fuel cell system
E) switching off the load withdrawal via the external electric circuit at the latest when a prescribed minimum limit voltage of the fuel cell stack has been reached.. .
Simplification of the electrical system of fuel cells by means of depletion of the cathode supply
The invention relates to a fuel cell system (1), comprising at least one fuel cell (2), wherein the fuel cell (2) comprises an anode chamber (3) and a cathode chamber (4) separated from the anode chamber (3), and wherein the fuel cell system (1) also comprises a cathode gas source (5), a gas supply line (6), which is connected to the cathode gas source (5), for feeding cathode gas into the cathode chamber (4), and an exhaust air line (7), which is connected to the cathode chamber (4), for the conducting exhaust air out of the cathode chamber (4). According to the invention, the gas supply line (6) and the exhaust air line (7) are connected by means of at least one gas flow regulation element (8, 9), which opens the gas supply line (6) in the direction of the exhaust air line (7) and/or the exhaust air line (7) in the direction of the gas supply line (6) in dependence on an operating status of the fuel cell (2)..
Robert Bosch Gmbh
Recirculation arrangement and a high temperature cell system
A method and system for high temperature fuel cell system or electrolysis cell are disclosed which include recirculating a fraction of gas exhausted from at least one of sides an anode side and a cathode side; accomplishing a desired flow rate of the recirculated flow by using an ejector via at least one primary feedstock fluid to a nozzle of the ejector, which nozzle has a convergent-divergent flow channel through which fluid is expanded from an initial higher pressure to lower pressure; providing supplementary fluid to the nozzle of the ejector; regulating respective ratio of the fluids of the ejector to maintain a desired motive flow and pressure at the nozzle of the ejector in order to accomplish desired recirculated flow rate; and cutting off the supplementary fluid when a level of system loading is the primary feedstock fluid alone maintains desired flow and pressure at ejector inlet.. .
Fuel cell module
A fuel cell module includes a fuel cell stack, a reformer, and an exhaust gas combustor. The fuel cell module further includes an exhaust gas combustion chamber equipped with the exhaust gas combustor and a preheating unit for heating a raw fuel by combustion exhaust gas produced in the exhaust gas combustor before the raw fuel is supplied to the reformer.
Honda Motor Co., Ltd.
Fuel cell unit
Each of power-generating elements 2 stacked on top of each other includes a plate-like cell 10, an anode plate 30, and a cathode plate 50. The cathode plate 50 includes a plurality of first gas passages 58 which extend from an end portion of the cell 10 to an opposite end portion of the cell 10, and a plurality of second gas passages 61 which are sandwiched between the first gas passages 58 and the cell 10, which extend in a direction intersecting an extending direction of the first gas passages 58, which are exposed toward the cell, and each of which communicates with at least two of the first gas passages 58 in a vicinity of an intersection in a direction in which the cathode plate is stacked..
Sumitomo Precision Products Co., Ltd.
Electrode material for fuel electrode, solid electrolyte-electrode laminate, producing solid electrolyte-electrode laminate, and fuel cell
The present invention inexpensively provides an electrode material for a fuel electrode, the electrode material having co2 resistance and being capable of forming a fuel cell having high electricity generation performance. An electrode material for a fuel electrode, the electrode material constituting a fuel electrode of a fuel cell including a proton-conductive solid electrolyte layer, includes a perovskite-type solid electrolyte component and a nickel (ni) catalyst component, in which the solid electrolyte component includes a barium component, a zirconium component, a cerium component, and a yttrium component, and the mixture ratio of the zirconium component to the cerium component in the solid electrolyte component is set to be 1:7 to 7:1 in terms of molar ratio..
Sumitomo Electric Industries, Ltd.
Triple conducting cathode material for intermediate temperature protonic ceramic electrochemical devices
The present invention relates to a protonic ceramic fuel cell, a cathode for a protonic ceramic fuel cell, and a method of making the same. More specifically, the cathode for a protonic ceramic fuel cell utilizes a phase-pure perovskite structure of the compound baco0.4fe0.4zr0.2-xyxo3-δ, where x is between about 0 and about 0.2.
Colorado School Of Mines
Porous electrode substrate, manufacturing same, precursor sheet, membrane electrode assembly, and polymer electrolyte fuel cell
According to the present invention, a porous electrode substrate with greater sheet strength, lower production cost, and excellent gas permeability and conductivity as well as its manufacturing method are provided. Also provided are a precursor sheet for forming such a substrate, and a membrane electrode assembly and a polymer electrolyte fuel cell containing such a substrate.
Mitsubishi Rayon Co., Ltd.
Fuel cell downhole power systems
A rechargeable power system comprising: a drill string configured to operate in a well bore, the drill string comprising: a fuel cell system; a generator in electrical communication with the fuel cell system; a turbine, configured to rotate due to an impingement of drilling mud on one or more turbine blades, the turbine in operable communication with the generator; and where the fuel cell system is configured to provide power at least when drilling mud is not circulating in the well bore, and further configured to be recharged by the generator when drilling mud is circulating in the well bore. A method for operating a rechargeable downhole fuel cell.
Schlumberger Technology Corporation
Apparatus and feeding a multi-phase mixture of reactants to an electrochemical reactor
This invention is a method and apparatus for operating electrochemical reactors with multi-phase feeds, in which a liquid feed stream is dispersed in a second fluid to form a spray, mist or emulsion before entering the reaction zone. The invention is applicable to both electro-synthesis and fuel cell reactors, with particular utility in mixed-reactant fuel cells..
Fuel cell system for an aircraft and providing an inert gas in an aircraft
A fuel cell system for an aircraft includes at least one fuel cell having a first inlet for providing a fuel, a second inlet for providing an oxidant, an outlet for removing exhaust air and a voltage outlet, an electrically operable hydraulic pump, which is integratable into a hydraulics network of the aircraft and connectable to the voltage outlet of the at least one fuel cell and a controllable hydraulic energy converter with changeable operating behaviour. The hydraulic energy converter is adapted for generating such a power demand in the hydraulics network, that the at least one fuel cell provides a predetermined volume flow of oxygen depleted air at the outlet through delivering electrical power to the hydraulic pump..
Airbus Operations Gmbh
Polymer-supported metal nanoparticles, process for production thereof and polymeric nanoreactors produced therefrom
A process for producing polymer-supported metal nanoparticles involves confinement of metal nanoparticles in polymeric nanotubes or nanosheets in an aqueous environment using hydrophobic reactants. Metal nanoparticles supported in the polymeric nanotubes or nanosheets are substantially monodisperse and have an average particle size of 4 nm or less.
Her Majesty The Queen In Right Of Canada, As Represented By The Minister Of National Defence
Porous carbon, humidity control adsorbent, adsorption heat pump, and fuel cell
Water vapor adsorbed amount ratio=water vapor adsorbed amount at a relative humidity of 90%/water vapor adsorbed amount at a relative humidity of 70%. (1).
Liquid composition, process for its production, and process for producing membrane-electrode assembly for polymer electrolyte fuel cells
An electrolyte membrane is prepared from a liquid composition comprising at least one member selected from the group consisting of trivalent cerium, tetravalent cerium, bivalent manganese and trivalent manganese; and a polymer with a cation-exchange group. The liquid composition is preferably one containing water, a carbonate of cerium or manganese, and a polymer with a cation-exchange group, and a cast film thereof is used as an electrolyte membrane to prepare a membrane-electrode assembly.
Asahi Glass Company, Limited
Membrane electrode assembly and fuel cell comprising the same
A membrane electrode assembly which includes an anode, a cathode and a solid polymer electrolyte membrane that are specifically arranged, wherein the cathode has a cathode catalyst layer and a cathode diffusion layer that is arranged on a surface of the cathode catalyst layer, the surface being on the side opposite the solid polymer electrolyte membrane side, the cathode catalyst layer contains an oxygen reduction catalyst composed of composite particles each of which is constituted of a catalyst metal containing palladium or a palladium alloy and a catalyst carrier containing, as constituent elements, a specific transition metal element m1, a transition metal element m2 other than the transition metal element m1, carbon, nitrogen and oxygen in a specific ratio, and the cathode diffusion layer contains an oxidation catalyst and a water-repellent resin.. .
Showa Denko K.k.
Recharger for hydrogen fuel cells
A recharger includes a manifold having an input to couple to a hydrogen generating module and an output port to couple to at least one rechargeable fuel cell. A vacuum pump is coupled to the manifold to evacuate the manifold.
Honeywell International Inc.
Fuel cell controlling fuel cell system
A fuel cell system supplies anode gas and cathode gas to a fuel cell and generates electric power in accordance with a load. The fuel cell system configured to include a cathode gas control unit controls a pressure of the cathode gas on the basis of the load, an anode gas control unit configured to cause a pressure of the anode gas to pulsate on the basis of the pressure of the cathode gas and a pulsation amplitude.
Nissan Motor Co., Ltd.
Systems and methods for detecting leaks in a fuel cell system
Systems and methods for detecting and validating a leak in a fuel cell system are presented. In certain embodiments, various fuel cell stack set points may be adjusted such that adequate h2 flow data may be obtained to identify and validate an h2 leak and/or a location of such a leak.
Gm Global Technology Operations Llc
Power generation system
A power generation system which generates electric power includes a fuel cell system in which supplied reactants react to generate electric power and a circulation system that circulates a product generated by the fuel cell system. The circulation system is configured to resupply at least some elements of the product generated by the fuel cell system as a reactant of the fuel cell system..
Posco Energy Co., Ltd.
A fuel cell system comprising a fuel cell stack is disclosed. An ozone generator is configured to introduce ozone into a coolant in the fuel cell system.
Intelligent Energy Limited
Ion filter lifetime perception device for fuel cell vehicle
An ion filter lifetime perception device for a fuel cell vehicle is provided that detects a replacement lifetime of a cartridge of a fuel cell ion filter. The ion filter lifetime perception device includes a mesh tube body that is mounted in an ion filter and contains an ion resin filed therein.
Kia Motors Corporation
Exhaust gas system and motor vehicle having an exhaust gas system
An exhaust system is provided for a device having at least one fuel cell. The exhaust system includes at least one exhaust duct for transporting anode-side and/or cathode-side exhaust gas of the fuel cell, at least one air inlet for supplying air, at least one air feeding device for feeding in the supplied air, at least one heat exchanger for heating up the supplied air, a mixing region for mixing exhaust gas of the fuel cell transported by way of the exhaust duct with the supplied air and forming a mixed exhaust gas, and a mixed exhaust gas outlet for carrying the mixed exhaust gas away from the exhaust system..
Bayerische Motoren Werke Aktiengesellschaft
Fuel cell separator and fuel cell stack and reactant gas control method thereof
A fuel cell separator, a fuel cell stack having the fuel cell separator, and a reactant gas control method of the fuel cell stack are provided. That is, even when the fuel cell stack operates under the low load operation condition, a reactant gas is supplied to the reactant gas passages of the fuel cell separator, and thus, the length of the passage can be shortened by 50% as compared with the prior art having only one reactant gas passage.
Fuel cell separating plate and manufacturing the same
The fuel cell separating plate and the method of manufacturing the same according to the present invention do not lower conductivity of the separating plate while decreasing a use amount of a conductive material. In addition, the fuel cell separating plate and the method of manufacturing the same simplify a manufacturing process and shorten manufacturing time..
Solid oxide fuel cell stack and manufacturing method therefor
A solid oxide fuel cell stack having a plurality of fuel cells, a metallic layer disposed between adjacent fuel cells, a first conductive material layer disposed between the metallic layer and a first fuel cell of the adjacent fuel cells so as to electrically connect the metallic layer and the first fuel cell, and a second conductive material layer disposed between the metallic layer and a second fuel cell of the adjacent fuel cells so as to electrically connect the metallic layer and the second fuel cell.. .
Murata Manufacturing Co., Ltd.
Catalyst particle, and electrode catalyst, electrolyte membrane-electrode assembly, and fuel cell using the same
An object is to provide a catalyst particle that can exhibit high activity. The catalyst particle is an alloy particle formed of platinum atom and a non-platinum metal atom, wherein (i) the alloy particle has an l12 structure as an internal structure and has an extent of ordering of l12 structure in the range of 30 to 100%, (ii) the alloy particle has an lp ratio calculated by co stripping method of 10% or more, and (iii) the alloy particle has a dn/da ratio in the range of 0.4 to 1.0..
Nissan Motor Co., Ltd.
Method for depositing a layer of material onto a metallic support for fuel cells or electrolysis cells
A method for depositing a layer of material on a metallic support for fuel cells or electrolysis cells includes the steps of preparing the surface of the metallic support, preparing an apparatus for an electrolytic bath, with the relative actuation means of the apparatus, including an aqueous solution with the cations necessary to obtain at least one material, dipping the metallic support into the electrolytic bath, and commanding the actuation means of the electrolytic bath so as to selectively carry out the electrochemical deposition of at least one layer of material on the metallic support, the layer of material includes an anti-corrosion protective ceramic material and/or a ceramic material with catalytic properties.. .
Method for manufacturing fuel electrode support for solid oxide fuel cell and fuel electrode support for solid oxide fuel cell
The present application relates to a method of manufacturing an anode supporter of a solid oxide fuel cell and an anode supporter of a solid oxide fuel cell, and may improve performance and durability of the fuel cell by improving an interfacial property between the anode supporter and an electrolyte.. .
Lg Chem, Ltd.
Paste for diffusion layer formation and production method thereof and production gas diffusion layer
The paste for diffusion layer formation used for formation of a gdl for a fuel cell contains a solvent, and conductive particles, a first surfactant having a first decomposition temperature and a second surfactant having a second decomposition temperature that is lower than the first decomposition temperature, all of which are dispersed in the solvent. The paste for diffusion layer formation contains a lower amount of the first surfactant than the second surfactant on a weight basis..
Toyota Jidosha Kabushiki Kaisha
Gliding arc plasmatron reactor with reverse vortex for the conversion of hydrocarbon fuel into synthesis gas
A reactor for reforming a liquid hydrocarbon fuel, and associated processes and systems, are described herein. In one example, a two stage process is disclosed in which a first reactor is coupled to a second stage reactor having a reaction volume greater than the first reactor.
Scalable hybrid backup energy storage system with integrated control for extended operational life
A low-cost hybrid backup energy system that consists of (1) a battery bank that includes one or more power converters, (2) dc-link capacitors, (3) a compressed air energy storage system, that is composed of an air compressor(s), one or more gas storage tanks, one or more efficient pneumatic motors, pressure regulators, one or more electrical generators, and one or more power converters, and (4) one integrated master controller. This hybrid system is used to provide uninterrupted, immediate, and sustained dc energy supply when outages occur to feed power converters (ac) such as a ups or similar for long or intermediate durations of time to allow uninterrupted operations in data centers, hospitals, telecommunication stations, and other critical loads.
Fuel cell unit
A fuel cell unit includes: a fuel cell having a plurality of stacked unit cells, the unit cells being tightened together by a compressive load for compression in a stacking direction; a casing having a wall surface which defines a space for housing the fuel cell therein and which faces the stacking direction, the wall surface being subject to reaction force against the compressive load in the stacking direction and the wall surface having a through hole formed so as to extend through from the space to outside of the wall surface; and a ventilation member which is to be fitted into the through hole and which allows ventilation between the space and the outside of the wall surface to be fulfilled in the through hole. Thus, in the fuel cell unit, ventilation inside the casing is fulfilled while strength degradation of the casing is suppressed..
H2-cl2 proton exchange membrane fuel cells, fuel cell assemblies including the same and systems for cogeneration of electricity and hcl
Fuel cells and, more particularly, the h2—cl2 proton exchange membrane fuels cells are described. In some embodiments the fuel cells include a flow through electrolyte assembly that is configured to allow the introduction of a first (relatively dilute) electrolyte into the cell, and the remove of a second (relatively concentrated) electrolyte from the cell.
Filtration-active fuel cell
A filtration-active fuel cell and the use thereof in the treatment and processing of fluids, in particular liquids, wherein the filtration-active layer of a membrane filter is simultaneously used as an anode of a fuel cell.. .
Grafted functional groups on expanded tetrafluoroethylene (eptfe) support for fuel cell and water transport membranes
A method for forming a modified solid polymer includes a step of contacting a solid fluorinated polymer with a sodium sodium-naphthalenide solution to form a treated fluorinated solid polymer. The treated fluorinated solid polymer is contacted with carbon dioxide, sulfur dioxide, or sulfur trioxide to form a solid grafted fluorinated polymer.
Method of fabricating proton-conducting electrolytic membrane
A method is provided to fabricate an electrolyte membrane. The membrane has an asymmetric structure and is a polybenzimidazole membrane doped with phosphoric acid.
Flow type zinc air fuel cell
The present invention provides a flow type zinc air fuel cell. The flow type zinc air fuel cell is a closed pipeline.
Intake circulatory system for zinc air fuel cell
The present invention provides an intake circulatory system for a zinc air fuel cell, including a housing, a zinc air cell, an air supply system and an air collecting system. The housing is partitioned on the inside of the intake circulatory system for a zinc air fuel cell to form a first space and a second space.
High power density solid oxide fuel cell steam reforming system and process for electrical generation
An adiabatic steam reformer positioned in the anode recycle loop.. .
Fuel cell supply including information storage device and control system
The present invention is directed to a fuel cell system with various features for optimal operations of an electronic device, a battery charger or a fuel refilling device. The fuel cell system includes an information storage device associated with the fuel supply, pump and/or refilling device.
Fuel cell system and controlling the same
A fuel cell system and a method of controlling the fuel cell system are provided. The fuel cell system includes at least one bypass valve that is disposed between a passage in an inlet of a fuel cell stack and a bypass passage that is branched from the passage within the inlet and that is connected to a discharge port of the fuel cell stack.
Control fuel cell system, fuel cell automobile, and fuel cell system
A control method of a fuel cell system includes generating electricity in a fuel cell through reaction of an oxidant gas and a fuel gas so as to output a fuel cell voltage. An electric storage device voltage is outputted from an electric storage device.
Fuel cell system and control fuel cell system
A fuel cell system includes a compressor for supplying the cathode gas to the fuel cell, an anode gas discharge system for discharging anode off-gas discharged from the fuel cell into a cathode gas flow passage, a pulsating operation control unit for causing a pressure of the anode gas to pulsate based on an operating state of the fuel cell, a purge control unit for purging the anode off-gas into the cathode gas flow passage based on an impurity concentration of an anode of the fuel cell and a pressure of the anode, and a compressor control unit for controlling the compressor based on a purge flow rate controlled by the purge control unit, and the purge control unit for setting the pressure of the anode to a predetermined value determined according to a pulsating state of the anode gas.. .
Operating a fuel cell system
An operating method is provided for a fuel cell system with a radiator structure which is flowed through by ambient air and a fuel cell stack, at least part of the outgoing air flow of the fuel cell stack can be guided onto the radiator structure such that, at the radiator structure, the guided outgoing air flow causes an increase in mass flow of the ambient air through the radiator structure according to the jet pump principle. At least part of the outgoing air flow of the fuel cell stack can be guided through a gas expansion machine.
Structure of fuel cell system and controlling method thereof
A structure of a fuel cell system and a controlling method thereof are provided. The structure of the fuel cell system includes a flow sensor that is configured to detect a flow of air introduced into the fuel cell system and an air compressor that is configured to compress the introduced air and has an air foil bearing to maintain minimum driving revolutions per minute or greater.
Fuel cell system, motor vehicle containing a fuel cell system, and operating a fuel cell system
A fuel cell system is provided having a plurality of fuel cells combined to form a fuel cell stack. The fuel cell system is characterized in that at least one fuel cell is a redox flow fuel cell having an electrode assembly, which electrode assembly has a proton-permeable separator, which separator is arranged between an anode region and a cathode region.
Interconnect and solid oxide fuel cell device
A solid oxide fuel cell (sofc) manifold and interconnect structure includes a manifold that has a dense and hermetic planar surface that is impervious to fuel gas used with the corresponding sofc. A porous material includes a permeable planar surface that is in lateral contact with the planar surface of the manifold to form an electrode interconnect.
Fuel cell system and controlling operation of fuel cell
A fuel cell system includes a fuel cell including an electrolyte membrane, a sensor configured to measure a temperature of the fuel cell, and a controller. The controller is configured to cause the fuel cell to perform a wet operation to increase a water balance at a cathode of the fuel cell to a value higher than a water balance at the cathode during a normal operation of the fuel cell, when the temperature of the fuel cell measured by the sensor is maintained at a first threshold temperature or higher for a prescribed period of time or longer and then the temperature of the fuel cell decreases to below a second threshold temperature that is equal to or lower than the first threshold temperature..
Fluidic components suitable for fuel cell systems including pressure regulators and valves
The disclosure teaches controlling the fluid flow and pressure, including adjustable pressure regulators, pressure regulators with an inlet restrictor, semi-automatic valve and pressure regulator with a by-pass valve which use one or more of movable shuttle, shuttle housing, a high pressure diaphragm, a low pressure diaphragm and a fluidic conduit connecting the inlet to the outlet. One or more of these implementations adjust to modify the outlet pressure of the regulator.
Fuel cell system as well as vehicle having such a fuel cell system
A fuel cell system including: a fuel cell stack; a cathode gas supply source including a cathode supply path for feeding cathode operating gas into the fuel cell stack and a cathode exhaust gas path for discharging cathode exhaust gas out of the fuel cell stack, and a fuel cell cooling system for cooling the fuel cell stack including a coolant path into which the fuel cell stack is integrated so as to transfer heat is provided. It is provided that the cathode gas supply source also includes a turbine arranged in the cathode exhaust gas path, and the coolant path of the fuel cell cooling system in the flow path of the cathode exhaust gas downstream from the turbine is in heat-transferring contact with the cathode exhaust gas path.
Membrane electrode assembly with frame, fuel cell single cell, and fuel cell stack
A membrane electrode assembly with frame includes a membrane electrode assembly 2 in which an electrolyte membrane 11 is held between a pair of electrode layers 12, 13; and a resin frame 1 disposed around the membrane electrode assembly 2. The frame 1 includes an opening 1a in which the membrane electrode assembly 2 is disposed, a step 1b that is formed along an edge of the opening, and an inner peripheral portion 1c that is deviated to one side of the frame due to the step 1b.
Applying a seal to a fuel cell component
An exemplary method of applying a seal to a fuel cell component includes providing a release layer on one side of a seal. The release layer has reinforcing fibers.
Aluminum-halogen fuel cell
An aluminum-halogen fuel cell has a positive electrode (2), a negative electrode (3), and an electrolyte (4) containing an ionic liquid represented by formula (1) or the like. In formula (1), r1 represents an unsubstituted or substituent-containing c1 to c20 alkyl group, r2 represents a c1 to c4 alkyl group or the like, each of r3 and r4 independently represents a hydrogen atom or the like, x represents alcl4 or the like, and y represents al2cl7 or the like..
Process for producing catalyst carrier, process for producing composite catalyst, composite catalyst, and fuel cell using same
A catalyst carrier production process includes a step (a) of mixing a transition metal compound (1), a nitrogen-containing organic compound (2), and a solvent to provide a catalyst carrier precursor solution; a step (b) of removing the solvent from the catalyst carrier precursor solution; and a step (c) of thermally treating a solid residue obtained in the step (b) at a temperature of 500 to 1100° c. To provide a catalyst carrier; wherein the transition metal compound (1) is partly or wholly a compound including a transition metal element (m1) selected from the group 4 and 5 elements of the periodic table as a transition metal element; and at least one of the transition metal compound (1) and the nitrogen-containing organic compound (2) includes an oxygen atom..
Non-carbon mixed-metal oxide electrocatalysts
Electrocatalysts having non-corrosive, non-carbon support particles are provided as well as the method of making the electrocatalysts and the non-corrosive, non-carbon support particles. Embodiments of the non-corrosive, non-carbon support particle consists essentially of titanium dioxide and ruthenium dioxide.
Catalyst for solid polymer fuel cells and producing same
The present invention aims to provide a catalyst that makes it possible to reduce an amount of solid electrolyte mixed and improve initial performance of a fuel cell, and also a method for producing the catalyst. The present invention relates to a catalyst for a solid polymer fuel cell, which has sulfo groups (—so3h) on catalyst particles.