|| List of recent Fuel Cell-related patents
|Gas flow detecting device and gas flow detecting method|
A gas flow detecting device of the present invention, comprises a gas flow obtaining unit, and a control unit, wherein the control unit is configured to determine at second period intervals, whether or not the usage gas flow of a fuel cell system can be obtained, based on the gas flow obtained by the gas flow obtaining unit, and the control unit is configured to, when the control unit determines that the usage gas flow of the fuel cell system can be obtained, calculate a total usage gas flow of the fuel cell system, based on a change amount of the gas flow obtained by the gas flow obtaining unit, and a usage gas flow of the fuel cell system which is updated just before the determination, and the control unit is configured to, when the control unit determines that the usage gas flow of the fuel cell system cannot be obtained, deem the usage gas flow of the fuel cell system which is updated just before the determination, as the usage gas flow of the fuel cell system in a period in which the usage gas flow cannot be obtained.. .
|Method for the preparation of catalyst-coated membranes method for the preparation of catalyst-coated membranes|
The present invention is directed to a method for preparing an integral 3-layer catalyst-coated membrane (ccm) for use in electrochemical cells, e.g. Pem (polymer-electrolyte membrane) fuel cells.
|Highly conductive anion-exchange composite membrane with crosslinked polymer electrolyte for alkaline fuel cell and method for preparing the same|
Disclosed are a new method for preparing a highly conductive anion-exchange composite membrane with a crosslinked polymer electrolyte for an alkaline fuel cell and a composite membrane prepared by the same. The method includes (a) mixing (vinylbenzyl)trimethylammonium chloride, 1,3,5-triacryloylhexahydro-1,3,5-triazine, and a mixed solution of deionized water and dimethyl formamide at a weight ratio of 1:1 together by stirring at a weight ratio of 60˜75:5˜16:20˜25; (b) mixing 100 parts by weight of the mixed solution with 0.5 to 2 parts by weight of a photoinitiator; (c) impregnating a porous polymer support with the solution so that a monomer solution soaks into the support; (d) interposing an electrolyte-impregnated membrane between polyethylene terephthalate (pet) films and irradiating the electrolyte-impregnated membrane with ultraviolet (uv) light having an energy of 30 to 150 mj/cm2 for crosslinking; and (e) after the crosslinking step, removing the pet films, and removing by-products on the membrane surface and washing the membrane..
|Polymer electrolyte membrane fuel cell including complex catalyst and method for producing the complex catalyst|
A polymer electrolyte membrane fuel cell is provided. The polymer electrolyte membrane fuel cell includes a phosphoric acid-doped polyimidazole electrolyte membrane and a complex catalyst.
|Solid oxide fuel cell|
A solid oxide fuel cell includes a cathode, and an anode, and a solid electrolyte layer disposed between the cathode and the anode. The cathode includes a complex oxide having a perovskite structure expressed by the general formula abo3.
|Anion binder for solid alkaline fuel cell, method of preparing the same and membrane-electrode assembly|
The present invention concerns the preparation of an anion binder for a solid alkaline fuel cell which enhances durability to electrochemical reactions and makes the production of electrode slurry easy. A method of preparing an anion binder for a solid alkaline fuel cell includes: (a) mixing an electrolytic monomer of quaternary ammonium salts having a cation group, a bisacrylicamide crosslinking agent having a tertiary amino group, and water together by stirring; (b) mixing the mixture with a photoinitiator; (c) interposing the solution between polyethylene terephthalate films and irradiating the solution with ultraviolet light for crosslinking and polymerization; and (d) pulverizing crosslinked polymerized resin to a nano size..
|Method and regulation apparatus for operating a fuel cell or a fuel cell stack|
Disclosed is method of operating a fuel cell which can output an electrical maximum power dependent on the operating temperature for a given fuel gas flow, and which exhibits aging in dependence on the operating duration which brings about an increase of the electrical internal resistance with progressive operating duration. In the disclosed method, the starting value (t0) of the operating temperature for a new fuel cell or for a new fuel cell stack is typically smaller than or equal to the operating temperature, at which the electrical maximum power is achieved and the fuel cell or the fuel cell stack is regulated such that the decrease of the output electrical power as a consequence of aging is partly or completely compensated in that the operating temperature (t) of the fuel cell or of the fuel cell stack is increased with progressive aging..
|Solid-oxide fuel cell system, and method for starting same|
During system start-up in s11, an atr process begins, and the hydrogen-enriched fuel gas is generated by the autothermal reaction. In s12, a cell temperature t is compared to a minimum reduction start temperature t1 of the cell support and, in the case of t≧t1, the process proceeds to s13.
|Solid-oxide fuel-cell system and startup-control method for same|
An object of the invention is to improve durability of a sofc system and secure favorable power generation performance during the actual useful service period of the system. In the sofc system, a fuel gas flow rate to a fuel cell stack is set at f1 at the time of start-up.
|Method for operating a fuel cell|
A method for operating a fuel cell system involves operating the fuel cell with recirculation of anode exhaust gas below a predefined maximum load limit of the fuel cell and operating the fuel cell without recirculation of the anode exhaust gas between the load limit and the full load of the fuel cell.. .
|Humidification device, in particular for a fuel cell|
A humidifier has a moisture exchanger with at least one water-permeable membrane as well as a humidifier device with a moisture reservoir which is positioned in the flow path of the moisture exchanger.. .
|Hydrogen fuel cell and system thereof, and method for dynamic variable humidity control|
Disclosed are a hydrogen fuel cell and system thereof, and a method for dynamic variable humidity control; the hydrogen fuel cell includes a fuel cell stack assembly and an outside plate gas distribution device; the fuel cell stack assembly is encapsulated with a hard housing; the outside plate gas distribution device is fixed on the hard housing; the outside plate gas distribution device includes an outside plate gas distribution device for working gas flow and a heat dissipation gas distribution device; the outside plate gas distribution device for working gas flow is provided with a fan mount for connecting with a working fan, and the outside plate gas distribution device for working gas flow extends into the inner cavity of the housing from outside of the housing; the heat dissipation gas distribution device includes a heat dissipation channel set outside the housing and interconnected with the inner cavity of the housing, and a heat dissipation port set on the housing; and the heat dissipation channel is provided with a heat dissipation fan mount for connecting with a heat dissipation fan. The hydrogen fuel cell of the present invention improves power generation efficiency, reduces costs and increases lifetime..
|Nano-graphene sheet-filled polyimide composites and methods of making same|
A composite material including a dispersion of nano-graphene sheet particles in a polyimide matrix and a method making films of the composite material are provided. The method includes forming a solution of nano-graphene sheet particles and poly(amic acid), casting the solution on a substrate to form a film, and imidizing the film.
|Air blower for fuel cell vehicle|
Disclosed herein is an air blower for a fuel cell vehicle using bearings. The air blower may include a volute casing, an impeller configured to include a hub and a plurality of wings formed on the outer circumferential surface of the hub and to compress air within the volute casing, a motor casing connected to the volute casing, and a motor configured to include a stator, a rotary shaft lengthily formed to penetrate the stator and configured to have a first side connected to the impeller, a rotator formed on the outer circumferential surface of the rotary shaft, a first bearing provided on the first side of the rotary shaft connected to the impeller, and a second bearing provided on a second side of the rotary shaft..
|Hydrogen supplemental system for on-demand hydrogen generation for internal combustion engines|
A portable, on-demand hydrogen generation system is provided for producing hydrogen and injecting the hydrogen as a fuel supplement into the air intake of internal combustion engines, more particularly to vehicles. Hydrogen and oxygen is produced with a fuel cell at low temperatures and pressure from water in a supply tank.
|Methods, systems, and apparatus for datacenter power distribution|
Methods, systems, and apparatus for electrical power distribution are described. One or more conditions of power provided from one or more fuel cells and one or more fuel cell bypass devices are monitored.
|Titanium suboxide supports for catalyst electrode of fuel cell and low temperature synthesis of titanium suboxide|
Titanium suboxide (tixo2x-1) nanoparticles useful as a support for a catalyst electrode of a fuel cell, and a method for synthesizing the titanium suboxide (tixo2x-1) nanoparticles by using tio2, a co catalyst and hydrogen gas at a low temperature ranging from 600 to 900° c. Are described since the titanium suboxide nanoparticles show high corrosion resistance to acid and durability and have excellent thermal and electric conductivities, a catalyst electrode manufactured by using the same as a support exhibits improved catalytic activity and oxidation reduction (redox) properties..
|Collector plate for fuel cells and method for producing same|
Provided are a collector plate for a fuel cell, which has low contact resistance and excellent corrosion resistance, and can be reliably used for a long period of time, while exhibiting excellent cost performance, and a method of producing the collector plate for a fuel cell. A collector plate for a fuel cell (1), which is provided on both ends of a cell stack in which a plurality of fuel cell units are stacked and is used for collecting current, includes: an aluminum substrate (2) formed of aluminum or an aluminum alloy; and an ni plating film (4); a noble metal plating film (5) including one or more noble metals selected from the group consisting of pd, pt, ag, rh, ir, os, and ru; and an au plating film (6), the films being formed on one surface of the aluminum substrate (2)..
|Method for producing cerium-based composite oxide, solid oxide fuel cell, and fuel cell system|
On the other hand, the possibility of estimating the dopant ratio of a metal element to each ceria crystalline particle using integral-width or half-width obtained by xrd was considered as follows: an xrd peak is shifted depending on the dopant ratio of la to ceria; when la increases, an xrd peak is shifted to a lower angle; in xrd performed on a raw material obtained by mixing ceria crystalline particles having different dopant ratio, peaks corresponding to the respective dopant ratio exist close to each other; as a result, a peak width is widened; accordingly, the dopant ratio of a metal element to each ceria crystalline particles are supposed to vary when integral-width and half-width obtained by xrd are large. Thus, it was revealed for the first time that integral-width and half-width obtained by xrd indicate variations in dopant ratio.
|Novel polymer networks based on the benzimidazole moiety for high performance polymer electrolyte membrane fuel cells|
New polymeric networks bearing benzimidazole units have been prepared. These polymeric networks will combine high proton conductivity, superior mechanical properties and thermal and oxidative stability due to the existence of polar benzimidazole groups and the presence of the unique polymeric architecture.
|Gasket device for a fuel cell stack|
Provided is a gasket device for a fuel cell stack in which gaskets of different materials are integrally molded in an anode separator (or an anode gas diffusion layer) and a cathode separator (or a cathode gas diffusion layer) to provide sealing stability at low temperatures and long-term stability at high temperatures in a fuel cell integrated with a conventional single material and evenly securing the required physical properties of the fuel cell stack gasket.. .
|Fuel cell systems including space-saving fluid plenum and related methods|
Fuel cell systems and methods having reduced volumetric requirements are described. The systems include, among other things, an enclosed region formed by the bonding of a fuel cell layer with a fluid manifold.
|Steam reforming of methanol|
The invention provides a process for producing h2 by steam reforming of methanol, which process comprises contacting a gas phase comprising (a) ch3oh and (b) h20 with a solid catalyst, which solid catalyst comprises a mixed metal oxide, which mixed metal oxide comprises copper, zinc and gallium, wherein the atomic percentage of copper relative to the total number of metal atoms in the oxide is from 20 at. % to 55 at.
|Method and device for stopping solid-oxide fuel cell system|
A sofc system houses a reformer and a fuel cell stack in a module case. Each cell forming the fuel cell stack is made of a porous material having a composition containing at least nickel metal, includes a cell support having a gas passage through which the fuel gas from the reformer flows from an lower end to an upper end on the inside thereof, and the excessive fuel gas is combusted at the upper end of the gas passage.
|Fuel cell system|
A fuel cell system includes at least one fuel cell, line elements for supplying and discharging starting materials and/or products to/from the fuel cell, and at least one condensation unit. The condensation unit is situated in at least one of the line elements and, at least in individual operating phases of the fuel cell, the condensation unit is at a lower temperature level than the areas surrounding it and the fuel cell..
|Method of manufacturing dispersion liquid for electrode catalyst, dispersion liquid for electrode catalyst, method of manufacturing electrode catalyst, electrode catalyst, electrode structure, membrane electrode assembly, fuel cell and air cell|
A method of manufacturing a dispersion liquid for an electrode catalyst, the method comprising a step of supporting a precious metal on the surface of a carrier by an electrodeposition process using a raw material mixed solution in which a particulate carrier is dispersed in a solvent and a compound including the precious metal element is dissolved in the solvent, wherein the carrier has oxygen reduction capability and is free of precious metal elements.. .
|Fluid compressor and fuel cell vehicle|
An air compressor as a fluid compressor includes: a suction port and a delivery port provided at upper and lower portions, respectively, of a pump chamber; a suction passage in communication with the inside of the pump chamber via the suction port; a delivery passage in communication with the inside of the pump chamber via the delivery port; and a driving rotor and a driven rotor provided in the pump chamber. At least a part of the suction passage is located below the suction port..
|Renewal energy power generation system|
Provided is a renewable energy power generation system (10) having a renewable energy power generating apparatus (12) arranged to generate electric power; and a hydrogen power generation module (20) having a separation unit (22) adapted to separate water into hydrogen and oxygen, and a fuel cell unit (28) adapted to receive air or oxygen, and hydrogen from said separation unit or from a hydrogen storage; the fuel cell unit being arranged to produce electric power in the presence of hydrogen and oxygen; wherein the hydrogen power generation module being adapted to receive electric power from the at least one renewable energy power generating apparatus at least prior to production of electric power by the fuel cell unit.. .
|Methods of flash sintering|
This disclosure provides methods of flash sintering and compositions created by these methods. Methods for sintering multilayered bodies are provided in which a sintered body is produced in less than one minute.
|Simplified fuel cell humidifier design|
A fuel cell humidifier with a pleated separation layer between a wet side and a dry side is provided. The fuel cell humidifier includes an enclosure having a first inlet, first outlet, and a first gas flow region that allow flow of a first gas through the humidifier.
|Device for manufacturing fuel cell stack components|
An apparatus for manufacturing fuel cell stack components integrally bond gas diffusion layers to both surfaces of a membrane-electrode assembly (mea) basic material in which a membrane-electrode assembly has sub gaskets. The apparatus includes a frame, an upper die disposed on the frame to be movable in a vertical direction, and a lower die disposed on the frame, and configured to support the mea basic material and the gas diffusion layers at a lower side of the upper die.
|Mixed-metal platinum catalysts with improved carbon monoxide tolerance|
Disclosed are catalysts, especially catalytic anodes, useful for catalyzing reactions in fuel cells and in other environments. The catalysts have a substrate base made of iridium and/or ruthenium.
|Ceramic anode materials for solid oxide fuel cells|
Novel anode materials including various compositions of vanadium-doped strontium titanate (svt), and various compositions of vanadium- and sodium-doped strontium niobate (snnv) for low- or intermediate-temperature solid oxide fuel cell (sofcs). These materials offer high conductivity achievable at intermediate and low temperatures and can be used as the structural support of the sofc anode and/or as the conductive phase of an anode.
|Membrane electrode assembly for fuel cell|
A membrane electrode assembly for a fuel cell that can prevent a conductive nano columnar body from being embedded in an electrolyte membrane and can efficiently use a catalyst is provided. A membrane electrode assembly for a fuel cell includes: at least, an electrolyte membrane; and at least one electrode that includes conductive nano columnar bodies that are disposed at least on one surface of the electrolyte membrane and are oriented in a nearly vertical direction to a surface direction of the electrolyte membrane and a catalyst supported by the conductive nano columnar body, wherein the electrode membrane includes at least one proton conductive layer and at least one preventive layer for preventing conductive nano columnar bodies from being embedded; the preventive layer for preventing conductive nano columnar bodies from being embedded is disposed between an interface between the electrode and the electrolyte membrane and a center of the electrolyte membrane in a thickness direction; and the proton conductive layer occupies a portion other than a portion in which the preventive layer for preventing conductive nano columnar bodies from being embedded is disposed in the electrolyte membrane..
|Membrane-electrode assembly comprising two cover layers|
The invention relates to a membrane-electrode assembly (100), comprising two electrodes (110, 110′) and a membrane (120), preferably a polymer electrolyte membrane (pem), which is disposed between the two electrodes (110, 110′), wherein the membrane-electrode assembly (100) comprises a first cover layer (130; 130′) and a second cover layer (140; 140′) on at least one flat side, preferably on both flat sides of the membrane (120), characterized in that the first cover layer (130; 130′) covers an edge face (125, 125′) of the membrane (120) and an electrode edge face (115, 115′) facing the membrane (120) and the second cover layer (140; 140′) partially covers the first cover layer (130; 130′), preferably in edge regions of the membrane-electrode assembly (100). The present invention further relates to a fuel cell which comprises a membrane-electrode assembly (100)..
|Epoxy methacrylate based adhesive for fuel cell flow field plates|
An electrically conductive adhesive is disclosed for bonding anode and cathode flow field plates together for use in fuel cells. The adhesive formulation comprises epoxy methacrylate resin and non-fibrous carbon particles but little to no carbon fibres.
|Metal separator for fuel cell and manufacturing method thereof|
A metal separator for a fuel cell and a manufacturing method thereof are provided, in which a graphite carbon layer with a minute thickness is formed on the surface of a substrate, to improve conductivity. The manufacturing method includes preparing a metal substrate; loading the metal substrate into a chamber with a vacuum atmosphere; coating a graphite carbon layer by depositing carbon ions ionized from a coating source on a surface of the metal substrate; and unloading the metal substrate having the graphite carbon layer coated thereon to an exterior of the chamber..
|Apparatus and method for heating a fuel cell stack|
An apparatus for heating a fuel cell stack in a cold start mode is provided. The apparatus comprises a fuel cell stack, a power converter, and a controller.
|Integrated power generation and chemical production using fuel cells|
In various aspects, systems and methods are provided for operating a molten carbonate fuel cell to reduce or minimize losses due to loss of heat energy. A molten carbonate fuel cell can be operated based on a desired ratio of heat generated by exothermic reactions in the fuel cell relative to heat consumed by endothermic reactions in the fuel cell and any optional integrated endothermic reaction stages..
|Integrated power generation and chemical production using fuel cells|
In various aspects, systems and methods are provided for operating a molten carbonate fuel cell with an excess of reformable fuel relative to the amount of oxidation performed in the anode of the fuel cell. Instead of selecting the operating conditions of a fuel cell to improve or maximize the electrical efficiency of the fuel cell, an excess of reformable fuel can be passed into the anode of the fuel cell to increase the chemical energy output of the fuel cell.
|Arrangement and method for supplying energy to buildings|
The present application relates to an arrangement for supplying energy to isolated buildings. The arrangement comprises at least one energy generating installation for providing an electrical current, at least one electrolyser for producing hydrogen from water using the electrical current from the energy generating installation, at least one first chemical reactor for at least partially hydrogenating at least one substrate with an extended π-conjugated system using the hydrogen formed in the electrolyser, at least one storage tank for storing the substrate hydrogenated at least partially in the first chemical reactor, at least one second chemical reactor for at least partially dehydrogenating the at least partially hydrogenated substrate which was produced in the first chemical reactor and stored in the storage tank with the release of hydrogen, and at least one fuel cell for the oxidation of the hydrogen release in the second chemical reactor with the release of energy..
|Membrane humidifier for fuel cell|
A membrane humidifier for a fuel cell is provided and includes a plurality of wet air channels and dry air channels and a cooling channel. The plurality of wet air channels and dry air channels are disposed across a moisture exchange membrane.
|High efficiency fuel cell system with anode gas chemical recuperation and carbon capture|
A method of providing anode gas exhaust (38, 39) from a fuel cell stack (36) and carbon dioxide (54) capture by feeding reformed fuel and air into a fuel cell stack (36) where gas exhaust (38, 39) is fed to a series of oxidation/reduction beds (44, 46) to provide exit streams a) of h2o and co2 (41′) which is fed to a condenser (52) to recover co2 (54), and b) h2o and co (48) which is recirculated to the fuel cell stack (36).. .
|Fuel system for fuel cells|
Fuel cell structure and method of producing electrical energy from a methanol-based initial material. The fuel cell structure is comprised of a fuel cell for decomposing hydrocarbon-based fuel in order to produce electrical energy, a fuel tank from which fuel can be fed into the fuel cell, and a treatment unit for decomposition products, into which unit it is possible to direct the decomposition products of the fuels.
|Device for measuring voltage in a fuel cell|
A device for measuring voltages of n cells in a fuel cell includes plural voltage measurement modules and a communication bus connecting in series the plural measurement devices to a computer. The n cells are separated by bipolar plates.
|Power generation system and method|
A power generation system comprises a first energy conversion device configured to convert a first renewable energy resource into electricity, an electrolysis device configured to use electricity from the first energy conversion device to electrolyze water into hydrogen and oxygen, a hydrogen gas storage tank configured to store hydrogen from the electrolysis device, a fuel cell configured to convert chemical energy in the hydrogen from the hydrogen gas storage tank into electricity, a boiler configured to use electricity from the fuel cell to boil water into steam, and a steam powered turbine generator configured to convert energy in the steam to electricity.. .
|Rechargeable fuel cell|
A device and method of forming a power generator includes a container, a fuel cell stack within the container, a metal hydride hydrogen producing fuel within the container, wherein the fuel cell stack is sandwiched between the container and an anode support surrounding the fuel and in close thermal contact with the fuel. The fuel cell stack has a cathode electrode for exposure to oxygen and an anode electrode for exposure to hydrogen.
|Separator for fuel cell and method for manufacturing the same|
A separator for a fuel cell and a method for manufacturing the same comprise two sheets of metal plates integrally formed to minimize contact resistance between an upper metal plate and a lower metal plate. The method for manufacturing the separator includes steps of preparing an upper metal plate and a lower metal plate, each plate having opposing main sides, and applying a coating liquid containing a polymer composite material on both sides of the upper and lower metal plates, to form first and second composite material layers on both sides of the upper plates and third and fourth composite material layers on both sides of the lower plates.
|Method and apparatus for forming a matrix liner for a pressure vessel|
A pressure vessel for the storage of pressurized fluids for a fuel cell system, a liner for the pressurized vessel and a method of making. The method of manufacturing a pressure vessel includes forming a lost core assembly, a reinforcement structure around the assembly and removing the core from said assembly to define an internal compartment.
|Material fuel cell separator, fuel cell separator using same, fuel cell stack, and method of producing fuel cell separator material|
A material for fuel cell separator, wherein a surface layer 6 containing au and cr is formed on a surface of a ti base 2, and an intermediate layer 2a containing ti, o, cr, and less than 20 atomic % of au is present between the ti base and the surface layer, a thickness of an area containing 65 atomic % or more of au being 1.5 nm or more, a maximum concentration of au being 80 atomic % or more, a coating amount of au being 9000 to 40000 ng/cm2, a ratio represented by (au coating amount)/(cr coating amount) being 10 or more, a coating amount of cr being 200 ng/cm2 or more, and in the intermediate layer having an area containing 10% or more of ti, 10% or more of o and 20% or more of cr being 1 nm or more.. .
|Fuel cell separator and method for producing the same|
First, a passive film is removed from a surface of a separator sheet. For example, the separator sheet may be immersed in an acidic liquid to remove the passive film.
|Platinum-rhodium nano-dendritic alloy and direct methanol fuel cell including the same|
A platinum-rhodium nano-dendritic alloy includes a plurality of first structure having a round shape and a second structure connecting the plurality of first structures and having a thin bridge shape, wherein the first and second structures containing platinum and rhodium homogeneously distributed therein.. .
|Fuel cell device and system|
A fuel cell device is provided having an active central portion with an anode, a cathode, and an electrolyte therebetween. At least three elongate portions extend from the active central portion, each having a length substantially greater than a width transverse thereto such that the elongate portions each have a coefficient of thermal expansion having a dominant axis that is coextensive with its length.
|Solid oxide fuel cell and method for producing the same|
Disclosed is a solid oxide fuel cell which includes an inner electrode, a solid electrolyte, and an outer electrode, each being sequentially laminated on the surface of a porous support. The porous support contains forsterite, and further has a strontium element concentration of 0.02 mass % to 1 mass % both inclusive in terms of sro based on the mass of the forsterite..
|Solid oxide fuel cell and method for producing the same|
Provided is a solid oxide fuel cell which includes a fuel electrode, a solid electrolyte, and an air electrode, each being sequentially laminated on the surface of a porous support. The porous support comprises forsterite and a nickel element.
|Microporous layer for a fuel cell with enhanced ice storage|
A fuel cell includes a cathode having a first gas diffusion layer and a first catalyst layer, an anode including a second gas diffusion layer and a second catalyst layer and a proton exchange membrane disposed between the cathode and anode. A microporous layer is disposed between the first gas diffusion layer and the first catalyst layer.
|Sanbornite-based glass-ceramic seal for high-temperature applications|
A glass-ceramic seal for ionic transport devices such as solid oxide fuel cell stacks or oxygen transport membrane applications. Preferred embodiments of the present invention comprise glass-ceramic sealant material based on a barium-aluminum-silica system, which exhibits a high enough coefficient of thermal expansion to closely match the overall cte of a sofc cell/stack (preferably from about 11 to 12.8 ppm/° c.), good sintering behavior, and a very low residual glass phase (which contributes to the stability of the seal)..
|Systems and methods for configuring a fuel cell having lower coolant path isolation resistance|
System and methods relating to a configuration for a fuel cell system having lower coolant path isolation resistances are disclosed. In certain embodiments, the fuel cell system may include a first fuel cell substack comprising a first plurality of cells.
|Valve and fuel cell system|
A valve includes a cap, a diaphragm defining a movable portion, a valve housing, and a valve portion. An inlet port through which fluid flows into a valve chamber, an outlet port through which the fluid flows out from the valve chamber, and a placement portion on which a peripheral edge portion of the diaphragm is placed are provided in the valve housing.
|Fuel cell system and operation method thereof|
A fuel cell system includes a stack constituted by a set of fuel cells. An air supplier supplies air to an air electrode of the fuel cell and a hydrogen supplier supplies hydrogen to a fuel electrode of the fuel cell.
|Fuel cell stack|
A fuel cell stack (1) includes a plurality of stacked power generation cells (3), a heat exchange unit (7) provided between adjacent two of the power generation cells, a fuel gas supply path arranged to supply the power generation cells with a fuel gas, and an oxidant gas supply path (3, 7, 33, 34, 38) arranged to supply the power generation cells with an oxidant gas, wherein the fuel gas supply path includes in series a first path (7, 31) passing through the heat exchange unit (7), a second path (3, 32, 35, 37) passing through some of the plurality of power generation cells (3) in parallel, and a third path (3, 32, 36) passing through the other power generation cells in parallel.. .
|Fuel cell system|
A fuel cell system comprises: noise detection means for detecting the magnitude of noise in a driver's cabin of a fuel cell vehicle in which the fuel cell system is installed; and a control apparatus for controlling the operation of auxiliary machines. The control apparatus performs high-potential avoidance control to increase electric power consumed by the auxiliary machines so that a power-generation voltage of a fuel cell 1 becomes equal to or lower than a predetermined value, based on noise detected by the noise detection means..
|Fuel cell system and method for controlling the same|
In a method for controlling a fuel cell system, a shutoff valve is opened to supply a fuel gas from a storage container to a fuel cell after a fuel cell system shutdown instruction is sent to the fuel cell system so that the fuel cell generates and discharges electricity. The storage container is supplied to the fuel gas supplied from a fuel supply source provided outside the fuel cell system in response to a filling instruction to supply the fuel gas to the storage container.
|Fuel cell vehicle and moving body|
A data signal accurately reflecting the actual state of a storage vessel is sent to a station side. A fuel cell system (1) includes a hydrogen supply line (32) that connects a tank main body (311) and a fuel cell stack (2), and a main stop valve provided to the hydrogen supply line (32).
|Methods of generating hydrogen gas and power|
A hydrogen generator and a fuel cell system including a fuel cell battery and the hydrogen generator. The hydrogen generator includes a cartridge, a housing with a cavity to removably contain the cartridge, and an initiation system.
|Solid oxide fuel cell|
Problem: to suppress the occurrence of damage to fuel cell units caused by oxidation shrinkage of fuel electrodes. Solution means: the invention is a solid oxide fuel cell for generating electricity by reacting hydrogen and oxidant gas in individual fuel cell units, wherein the individual fuel cell units comprise a fuel electrode, an oxidant gas electrode, and a solid electrolyte erected between fuel electrode and oxidant gas electrode; the fuel electrode comprises a composite material containing nickel, and the solid oxide fuel cell prevents shrinkage due to oxidation of the fuel electrode by maintaining the fuel electrode in an oxygen-free atmosphere until the temperature of the fuel electrode has dropped to 350° c.
|Fuel cell monitoring device|
In a fuel cell monitoring device, a gas-diffusion resistance calculation section calculates a gas-diffusion resistance rtotal indicating a difficulty of diffusing reaction gas to a catalyst layer in a fuel cell based on a gas reaction resistance rct calculated by a resistance calculation section. A second diffusion resistance calculation section calculates a second diffusion resistance rdry varying depending on a dried-up in the fuel cell based on a proton transfer resistance rmem calculated by the resistance calculation section.
|Method and system for purification of gas/liquid streams for fuel cells or electrolysis cells|
The present invention provides in embodiments a method for purification of inlet gas/liquid streams in a fuel cell or electrolysis cell, the fuel cell or electrolysis cell comprising at least a first electrode, an electrolyte and a second electrode, the method comprising the steps of: —providing at least one scrubber in the gas/liquid stream at the inlet side of the first electrode of the fuel cell or electrolysis cell; and/or providing at least one scrubber in the gas/liquid stream at the inlet side of the second electrode of the fuel cell or electrolysis cell; and —purifying the gas/liquid streams towards the first and second electrode; wherein the at least one scrubber in the gas/liquid stream at the inlet side of the first electrode and/or the at least one scrubber in the gas/liquid stream at the inlet side of the second electrode comprises a material suitable as an electrolyte material and a material suitable as an electrode material, and wherein the material suitable as an electrolyte material and a material suitable as an electrode material form triple phase boundaries similar to or identical to the triple phase boundaries of the electrode for which the gas/liquid stream is purified with the at least one scrubber, with the proviso that the fuel cell or electrolysis cell is not a solid oxide cell.. .
|Acid resistant, monolithic fuel cell cooler assembly|
A composite plate (26) is formed in a mold (8) by placing one of two preforms (15, 23) of between about 80 wt.% and about 85 wt.% flake graphite, balance polymer binder, into the mold and disposing a coolant tube array (18) thereon, depositing a powder (21) of the flake/polymer around the tube array, placing a second preform on the powder and a mold plunger (27) on the second preform, heating the mold to the melting temperature of the polymer under a pressure of 625 psi (4311 kpa), cooling the mold to the solidification temperature of the polymer while still under pressure, cooling the mold further, disassembling the mold, and removing the composite plate. The composite plate has reactant gas flow field channels (31, 32) in major surfaces thereof, is devoid of any acid edge protection layer or film and is devoid of any acid impervious separator plate between either of the fuel cell reactant gas flow fields and the coolant tube array..
|Miniaturized forklift fuel cell supply system|
This invention provides a kind of miniaturized forklift fuel cell supply system consists of enclosure 90 and the fuel cell system 100 provided in the said enclosure 90, dcdc converting unit 2, contactor 3, energy storage device 4, controller 7, which also consists of the power supply output end 5 provided outside the said enclosure 90 and the operation control unit 6 provided in the said enclosure 90, in which, the said contactor 3 is a normal open type high-current contactor, the said dcdc converting unit 2 includes the dcdc converter 21 and high-power diode 22 connecting with it. This invention is compact in structure and facilitates such work as system installation, overhaul and maintenance, etc.