|| List of recent Fuel Cell-related patents
|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.
|Plasma hydrogen generation device for new energy car|
A plasma hydrogen generation device includes a liquid fuel storage bottle, an air filtering element, a large capacitor battery and a fuel cell power set. In operation, the carbon hydrogen compound is decomposed into hydrogen and carbon without carbon dioxide generation when a liquid carbon hydrogen compound is decomposed in the plasma hydrocarbon decomposition element.
|Method of controlling the operation of a hybrid system|
A method of controlling operation of a hybrid continuous current supply, the current supply including a fuel cell stack, a battery, and a dc/dc converter including an input and an output, the converter input being connected to the fuel cell stack output and the output being connected to a variable load in parallel with the battery, the fuel cell stack being formed of a plurality of electrochemical cells configured to produce electricity from a fuel and an oxidizing gas.. .
|Device for heating a portion of a cabin floor in an aircraft cabin|
The invention relates to an arrangement for heating a portion of the cabin floor in an aircraft cabin, wherein the cabin floor has an upper side which can be walked on and a lower side opposite the upper side, comprising a fuel cell and, connected or connectable thereto, a removal device with which a fluid heated by waste heat of the fuel cell is removed from the fuel cell and supplied to a cavity which is adjacent to the lower side of the cabin floor or is located in the cabin floor, and therefore the portion of the cabin floor is heated.. .
|Method for producing solid oxide fuel cells having a cathode-electrolyte-anode unit borne by a metal substrate, and use of said solid oxide fuel cells|
The invention relates to a method of producing solid oxide fuel cells (sofc) having a cathode-electrolyte-anode unit supported by a metal substrate. It is the object of the invention in this respect to provide solid oxide fuel cells which achieve an increased strength, improved temperature change resistance, a secure bonding of films forming the cathode-electrolyte-anode unit and can be produced free of distortion and reproducibly.
|Cylindrical hydrogen fuel generator having passive tubular cells|
A hydrogen fuel generator having a fuel cell unit having a computerized injection controller and passive conductive tubular cells that are not coupled to a power source is described.. .
|Method and system for controlling power of fuel cell vehicle|
A method of controlling power of the fuel cell vehicle includes dividing an expected driving path of the fuel cell vehicle into a plurality of sections and setting the plurality of sections according to a gradient, and comparing whether a predicted battery state of charge variation is within a battery charging/discharging allowance range for each of the plurality of divided sections the method further includes comparing predicted power with a predetermined maximum allowance power for each of the plurality of divided sections, and setting the plurality of divided sections as a battery charging/discharging prohibition section and a battery charging/discharging allowance section in advance according to a result of the comparison of the predicted battery state of charge variation and the predicted power.. .
|Method for manufacturing a unit cell of a solid oxide fuel cell|
The present invention relates to a method for manufacturing unit cells of a solid oxide fuel cell through a process of attaching a fuel electrode reaction layer/electrolyte layer film assembly, manufactured using a tape casting method, onto a fuel electrode support (sintered body) which consists of the unit cells of the solid oxide fuel cell and which is manufactured using a tape casting method, a pressure method, a discharge plasma method, or the like. The method for manufacturing the unit cells of the solid oxide fuel cell comprises the steps of: forming a pre-sintered body of the fuel electrode support; manufacturing a fuel electrode reaction layer sheet; manufacturing an electrolyte layer sheet; manufacturing a film assembly by stacking, into layers, the fuel electrode reaction layer sheet and the electrolyte layer sheet; providing a binder to the pre-sintered body; combining the film assembly with the pre-sintered body provided with the binder; laminating the combined body of the pre-sintered body and the film assembly; co-sintering the laminated combined body; forming an air electrode layer on the electrolyte layer in the co-sintered body; and sintering the resultant structure..
|Electroconductive tungsten oxide nanowire carrying a platinum nanodendrite and method for manufacturing same|
The present invention relates to an electroconductive tungsten oxide catalyst carrying a platinum dendrite and to a method for manufacturing same, and more particularly, to a method for manufacturing an electroconductive tungsten oxide carrying a platinum nanodendrite applicable as an anode catalyst having a strong resistance to carbon monoxide poisoning in a direct methanol fuel cell. The platinum nanodendrite-electroconductive tungsten oxide nanowire catalyst according to the present invention illustrates remarkably improved resistance to carbon monoxide poisoning when compared with a common platinum nanoparticle carbon catalyst, and so, may be used as a highly efficient dmfc anode catalyst..
|Mixed ionic and electronic conductor based on sr2fe2-xmoxo6 perovskite|
In accordance with the present disclosure, a method for fabricating a symmetrical solid oxide fuel cell is described. The method includes synthesizing a composition comprising perovskite and applying the composition on an electrolyte support to form both an anode and a cathode..
|Electrode catalyst layer for fuel cell|
It is an electrode catalyst layer for a fuel cell comprising a catalyst, a porous carrier for supporting the above-mentioned catalyst, and a polymer electrolyte, in which a mode diameter of the pore distribution of the above-mentioned porous carrier is 4 to 20 nm, and the above-mentioned catalyst is supported in a pore with a pore diameter of 4 to 20 nm of the above-mentioned porous carrier.. .
|Fuel cell electrode catalyst layer, fuel cell electrode, fuel cell membrane electrode assembly, and fuel cell|
A fuel cell electrode catalyst layer (13) of the preset invention includes: a catalyst (131b); a support (131a) that supports the catalyst; and two or more proton-conductive materials (133) different in dry mass value per mole of a proton-donating group, the proton-conductive materials being in contact with at least a part of the catalyst and at least a part of the support. Then, a proton-conductive material in which a dry mass value per mole of the proton-donating group is highest among the proton-conductive materials is in contact with at least a part of the catalyst, and has a largest contact ratio with a surface of the catalyst..
|Rubber composition and fuel cell sealed body|
A rubber composition which does not foul molds, requires low production costs and is excellent in mass productivity, and has high adhesion reliability, can be used in an adhesive layer for bonding a constituting member for a fuel cell and a rubber member for sealing and/or two rubber members together, is any one of (α) a liquid rubber composition containing (b) and (c) together with the following (a1), and (β) a solvent-based rubber composition containing a solvent together with the following (a2), (b) and (c). (a1) is a rubber component containing at least liquid rubber.
A fuel cell includes an electrolyte membrane electrode assembly and a resin frame member. The electrolyte membrane electrode assembly includes an electrolyte membrane, a first electrode and a second electrode.
|Fuel cell resin frame equipped membrane electrode assembly|
A resin frame member of a resin frame equipped membrane electrode assembly includes a recess where adhesive is provided. An inner protrusion on an inner side of the recess abuts against an electrode catalyst layer protruding outward beyond a gas diffusion layer of a membrane electrode assembly.
|Carbon fiber web including polymer nanofibers|
Disclosed is a carbon fiber web including polymer nanofibers. Specifically, the carbon fiber web includes: a dispersed structure of carbon fibers; and polymer nanofibers distributed among and bonding the constituent carbon fibers of the dispersed structure.
|Fuel cell system and the operating method thereof|
A fuel cell system includes an air manifold through which air is supplied or exhausted, a fuel gas manifold through which fuel gas is supplied or exhausted, a stack portion that generates electricity by using air and fuel that are supplied by the air manifold and the fuel gas manifold, and an injection array that is disposed along an inside of the air manifold or the fuel gas manifold to inject air or fuel gas.. .
|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, and a condensed water collecting mechanism for collecting condensed water produced by condensation of water vapor in a combustion gas by allowing the condensed water to flow through the fourth area, then, the third area, then, the second area, and then, the first area.. .
|Method and device for operating fuel cells|
A system and method for operating a fuel-cell system, which is attached to at least one further component via a cooling and/or lubricating circuit. A water-based, oil-free coolant and lubricant is used, and a flushing procedure for the fuel cell is initiated when a contamination of the fuel cell by the water-based, oil-free coolant and lubricant is detected..
|Polyoxometalate flow-cell power system|
Embodiments of the present invention relates generally to redox flow batteries and, more specifically, to flow batteries that employ electron-ferrying redox compounds made from polyoxometalates (“poms”). Embodiments of the present invention employ flow-battery technology that combines the fast electrochemical reaction of a battery with the fuel flexibility of a fuel cell to meet next-generation energy needs of a variety of power applications, including portable electronics used in military and commercial applications and large power modules that provide 550 w or more.
|Electrolyte-membraneless microbial fuel cell, in-series stack thereof, and in-parallel combination thereof|
Disclosed herein are an electrolyte-membraneless microbial fuel cell, in-series stack thereof, and in-parallel combination thereof. According to various implementation examples, problems relating to scaling up and modularization are overcome, and problems relating to using an electrolyte membrane are solved..