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386
resultados
Última actualización
04/08/2025 [06:47:00]
Resultados 250 a 275 de 386
Resumen de: DE102024101425A1
Die hier offenbarte Technologie betrifft erfindungsgemäß ein Verfahren zum Einstellen einer Brennstoffkonzentration in einem Brennstoffzellensystem (10), wobei das Brennstoffzellensystem (10) eine Brennstoffzelle (11), einen Wasserabscheider (12), einen Brennstoff-Einlasspfad (13) zum Leiten von Brennstoff zur Brennstoffzelle (11), einen Prozessgas-Auslasspfad (14) zum Leiten von Prozessgas (16) aus der Brennstoffzelle (11) und in den Wasserabscheider (12), einen Spülpfad (17) zum Leiten von Wasser und Prozessgas (16) aus dem Wasserabscheider (12) in die Umgebung des Brennstoffzellensystems (10) und ein Auslassventil (18) zum Kontrollieren eines Stoffmengenstroms durch den Spülpfad (17) umfasst, und wobei das Verfahren aufweist: Ermitteln eines Ist-Stoffmengenstroms durch den Spülpfad (17), Ermitteln eines Referenz-Stoffmengenstroms, Durchführen eines Vergleichs zwischen dem Ist-Stoffmengenstrom und dem Referenz-Stoffmengenstrom, Einstellen eines Öffnungsverhaltens des Auslassventils (18) basierend auf dem Vergleich. Die Technologie weist ferner ein Brennstoffzellensystem (10), ein Fahrzeug (100), ein Computerprogrammprodukt (50) und ein computerlesbares Speichermittel (60) auf.
Resumen de: DE102024200548A1
Die Erfindung geht aus von einer Filteraustauschvorrichtung (10, 12, 14) für ein elektrochemisches System (16), mit zumindest einer Hauptfluidleitung (18), welche zumindest einen Hauptfilteranschluss (20) zu einer fluidtechnischen Verbindung mit einem Hauptfilter (22) des elektrochemischen Systems (16) umfasst, mit zumindest einer Stelleinheit (24) zu einem Sperren oder Öffnen des Hauptfilteranschlusses (20) und mit zumindest einem Austauschanschluss (26) zu einem fluidtechnischen Anschließen eines Nebenfilters (28) des elektrochemischen Systems (16) oder einer externen Wartungsvorrichtung (30).Es wird vorgeschlagen, dass die Filteraustauschvorrichtung (10, 12, 14) eine weitere Stelleinheit (32) zu einer kontinuierlichen Anpassung eines Strömungswiderstands des Hauptfilters (22) umfasst.
Resumen de: WO2025154310A1
As shown in fig. 1, an electroconductive sheet 10 according to the present invention has a first electroconductive layer 12 and a second electroconductive layer 14. The first electroconductive layer 12 contains a first thermoplastic resin 122 and first electroconductive particles 124. At least some of the first electroconductive particles 124 penetrate the thickness of the first electroconductive layer 12. The second electroconductive layer 14 contains a second thermoplastic resin and electroconductive fibers. The electroconductive fibers are arranged so as to extend in the direction of the surface of the second electroconductive layer 14.
Resumen de: WO2025155302A1
Described are Redox Flow Lithium Extraction (RFLE) technologies for fast, high- purity lithium obtention in the forms of LiCl, LiOH, Li2CO3, and lithium metal from geothermal seawater or brine or other lithium sources. The REEL cells described herein are multi-component systems utilizing Li+ ion conducting solid-state electrolyte (LiCSSE) membranes and anion exchange membranes (AEMs) within arrangements of flow cells continually supplied with redox shuttle molecules (RSM) to maintain charge balance within the system. The described systems and methods therefore achieve a continuously flowing system for obtaining high-purity lithium from diverse lithium sources. Relatively high lithium extraction rates are obtained through these described systems and methods with relatively low cost and high longevity compared with existing and legacy technologies. The systems and methods described herein provide an environmentally low impact solution for lithium extraction.
Resumen de: WO2025154350A1
A frame body according to the present disclosure is used in a cell frame of a battery cell. The frame body according to the present disclosure comprises a first surface, a second surface that is on the opposite side from the first surface, an outer peripheral surface, and an inner peripheral surface. The outer peripheral surface is provided with a first outer peripheral surface that is connected to the first surface by a first corner portion, a second outer peripheral surface that is connected to the second surface by a second corner portion, and a connection surface that connects the first outer peripheral surface and the second outer peripheral surface. The connection surface has a first connection surface that is connected to the first outer peripheral surface. The interior angle formed by the first connection surface and the first outer peripheral surface is less than 180°.
Resumen de: WO2025154582A1
Hydrogen supplied through a hydrogen supply port is injected together with water supplied through a water supply port into this solid oxide fuel cell stack. The solid oxide fuel cell stack generates power using hydrogen as a raw fuel.
Resumen de: WO2025154459A1
Provided is a fuel cell system comprising: a fuel cell; a first injection device for intermittently injecting a reaction gas to be supplied to the fuel cell; and a second injection device for continuously injecting the reaction gas. The fuel cell system includes a control unit for controlling the first injection device and the second injection device. When an output region of the fuel cell is defined as a low output region, a medium output region, and a high output region in order from a lower side to a higher side, the control unit causes the first injection device to perform injection in the low output region, causes at least one of the first injection device and the second injection device to perform injection in the medium output region, and causes the first injection device and the second injection device to perform injection simultaneously in the high output region.
Resumen de: WO2025153938A1
The present invention provide a method for applying separator coating on three- dimensional electrode, comprising steps of: a) connecting a vacuum pump (3) to a vacuum base plate (1); b) placing a three-dimensional electrode (4) to be coated on an electrode die (2) of said vacuum base plate (1); c) establishing a seal area between said vacuum base plate (1) and a closed vacuum chamber; d) securing a spraying apparatus (6) on said closed vacuum chamber; e) connecting an air compressor (5) to said spraying apparatus (6); f) energizing said vacuum pump (3) to evacuate the air from said closed vacuum chamber; g) energizing said air compressor (5) to apply ceramic separator coating on said three- dimensional electrode (4) by a spray nozzle (7) of said spraying apparatus (6); h) de- energizing said air compressor (5) after spraying operation is complete; and i) de- energizing said vacuum pump (3) to release said three-dimensional electrode (4) from said electrode die (2) after coating of ceramic separator is complete on said three-dimensional electrode (4).
Resumen de: WO2025152385A1
The present application relates to a heat engine control method during starting of a fuel cell system, and a fuel cell system, applied to the technical field of fuel cells. The method comprises: starting a fuel cell system, opening a small-circulation cooling loop, and loading an output power to a first power; running at the first power, and monitoring an inlet temperature of a cell stack; if the inlet temperature reaches a first temperature, rotating a three-way valve at a first rotating speed; monitoring a cell voltage value of the cell stack, and calculating a voltage variance; if the voltage variance is less than or equal to a first threshold, returning to the step of rotating the three-way valve at the first rotating speed until a large-circulation cooling loop is completely opened and the small-circulation cooling loop is completely closed; loading the output power of the fuel cell system to a rated power; if the voltage variance is greater than the first threshold and less than or equal to a third threshold, decreasing the voltage variance to be within the first threshold, and returning to the step of rotating the three-way valve at the first rotating speed; and if the voltage variance is greater than the third threshold, stopping starting. The fluctuation of the internal temperature of the cell stack can be reduced.
Resumen de: WO2025151929A1
A process for loading an electrolyte membrane of a hydrogen fuel cell with hydrogen protons is disclosed. The process comprises contacting the electrolyte membrane with hydrogen at a pressure of up to 15,000 psig at a temperature of up to 500 degrees Celsius whilst removing electrons from the hydrogen.
Resumen de: US2025236961A1
A device (1) for performing electrolysis of water is disclosed. The device comprising: a semiconductor structure (10) comprising a surface (11) and an electron guiding layer (12) below said surface (11), the electron guiding layer (12) of the semiconductor structure (10) being configured to guide electron movement in a plane parallel to the surface (11), the electron guiding layer (12) of the semiconductor structure (10) comprising an InGaN quantum well (14) or a heterojunction (18), the heterojunction (18) being a junction between AlN material and GaN material or between AlGaN material and GaN material; at least one metal cathode (20) arranged on the surface (11) of the semiconductor structure (10); and at least one photoanode (30) arranged on the surface (11) of the semiconductor structure (10), wherein the at least one photoanode (30) comprises a plurality of quantum dots (32) of InxGa(1-x)N material, wherein 0.4≤x≤1. Also a system comprising such device is disclosed.
Resumen de: US2025236964A1
Electrochemical cells having recombination layers are disclosed herein. One example of such a cell includes a membrane configured to be positioned between an anode flow field and a cathode flow field of the electrochemical cell. The cell further includes a recombination layer configured to be positioned between the anode flow field and at least a portion of the membrane. The recombination layer includes a catalyst configured to assist in a formation of water from hydrogen gas and oxygen gas produced within the electrochemical cell, therein mitigating any hydrogen gas crossover from a cathode side to an anode side of the electrochemical cell.
Resumen de: US2025236705A1
The present disclosure is directed to microporous ladder polymers containing amine-functionalized monomer segments, amidoxime-functionalized monomer segments, or a combination thereof. Monomer compounds for preparation of the polymers are also described, as well as membranes and electrochemical cells containing the polymers.
Resumen de: US2025236519A1
A hydrogen production method that reduces carbon dioxide emissions outside the system is provided.A hydrogen production method including: performing a dry reforming reaction to obtain a synthesis gas containing carbon monoxide and hydrogen from a source gas containing methane and carbon dioxide in the presence of a dry reforming catalyst; performing a solid carbon capture reaction by reacting the synthesis gas in the presence of a catalyst for capturing solid carbon to generate solid carbon from the carbon monoxide in the synthesis gas, thereby obtaining the solid carbon and a processed gas; and separating the processed gas into an emission gas and hydrogen to obtain hydrogen, wherein a content molar ratio CO/CO2 of a content of the carbon monoxide to a content of the carbon dioxide in the synthesis gas, reaction temperature T1 (° C.) of the dry reforming reaction, and reaction temperature T2 (° C.) of the solid carbon capture reaction satisfy the following condition (1):Formula1450
Resumen de: US2025236211A1
An earthwork machine includes a vehicle body, a fuel cell, a housing, and a refrigerant pipe. The housing stores the fuel cell and is electrically connected to the vehicle body. The refrigerant pipe penetrates the housing and allows a refrigerant to flow from the outside of the housing to the fuel cell. The refrigerant pipe is electrically insulated from the housing and is configured such that the refrigerant and the vehicle body are electrically connected to each other on the outside of the housing.
Resumen de: US2025236185A1
A rock drilling rig including at least a primary power source, a secondary power source and one control unit, wherein the control unit is configured to control the rock drilling rig to perform work tasks according to a work cycle, both the primary and the secondary power source are configured to selectively providing operating power to the rock drilling rig, the primary power source is a fuel cell with a fuel tank, and the secondary power source is an electrical battery, and the control unit is additionally configured to control a charge of the electrical battery with power from the primary power source, simultaneously as supplying operating power to the rock drilling rig.
Resumen de: US2025236209A1
An apparatus for performing vehicle-to-vehicle charging includes a charging cable having a fluid tube along which a cooling fluid flows configured to connect a vehicle equipped with a battery and a charging vehicle supplying electric power for charging the battery of the vehicle requiring a charge, a cooling device provided in the charging vehicle and configured to cool the cooling fluid, a heat supply device provided in the charging vehicle configured to supply heat to the cooling fluid, and a fluid regulation device configured to regulate the flow of the cooling fluid in such that the cooling fluid having been cooled by the cooling device or heated by the heat supply device in the charging vehicle is supplied to the vehicle requiring a charge along the fluid tube, in order to cool or increase the temperature of the battery of the vehicle requiring a charge using the cooling fluid.
Resumen de: US2025235829A1
One aspect of the present invention provides a polymer electrolyte membrane including: a porous substrate including a first part including a first polyolefin modified with a halogen-based compound, and a second part including a second polyolefin; and a halogen-based polymer electrolyte impregnated in pores of the porous substrate, wherein in the porous substrate, the first part and the second part constitute a discontinuous phase and a continuous phase, respectively, and a content of the halogen-based compound in the porous substrate is 0.5 to 10 wt %, and a method of manufacturing the same.
Resumen de: US2025237689A1
In a system for determining whether to replace an ion filter, the system includes a measurement unit configured for measuring an insulation resistance value of a fuel cell stack while a vehicle or a system is in operation, and a controller operatively connected to the measurement unit and configured to determine whether to replace the ion filter based on the insulation resistance value. Here, with one cycle from start to end of operation of the vehicle or the system, the controller is configured to determine a movement value based on the insulation resistance value measured at each of cycles, wherein the movement value is a moving average or a moving median for an average value or a median value of the insulation resistance value, and the controller is configured to determine whether to replace the ion filter based on at least one of the size of the movement value or the change rate of the movement value.
Resumen de: US2025237635A1
A method for evaluating a catalyst layer formation transfer film is a method for evaluating a catalyst layer formation transfer film stacked on a base and transferred to form a catalyst layer of a fuel cell, which includes measuring a horizontal force by a SAICAS method while moving a cutting blade, and obtaining the maximum value of the horizontal force until the catalyst layer formation transfer film is broken after the cutting blade has been inserted into the catalyst layer formation transfer film and evaluating handleability upon transfer of the catalyst layer formation transfer film based on the maximum value of the horizontal force.
Resumen de: US2025237220A1
The invention relates to a method for operating a multi-stage air compression system (1) comprising an electrically driven first compressor (1.1) and a second compressor (1.2) driven by a turbine (2), wherein the compressors (1.1, 1.2) are arranged in a supply air path (3) and the turbine (2) is arranged in an exhaust air path (4) of an air system for supplying air to a fuel cell stack (5). According to the invention, when the air compression system (1) is started, the air compressed by means of the first compressor (1.1) is supplied to the fuel cell stack (5) via a bypass (6) to bypass the second compressor (1.2) and the second compressor (1.2) is connected to the surrounding environment on both the inlet and outlet sides via at least one valve (7, 8) and/or a throttle valve (9).The invention further relates to a multi-stage air compression system (1) as well as a fuel cell system having a multi-stage air compression system (1).
Resumen de: US2025241087A1
According to some embodiments, a power system includes a solar cell, a redox flow battery arranged in a stack with the solar cell, and a shared electrode in the stack shared by the solar cell and the redox flow battery. According to some embodiments, a method includes arranging a solar cell in a stack with a redox flow battery, and providing a shared electrode in the stack shared by the solar cell and the redox flow battery.
Resumen de: US2025239863A1
A method for operating a power system in the present disclosure includes the step of planning an output of a fuel cell system in such a way as to make up a difference between power demand and an output of a solar power generation system. In the step, if a charge level of a storage battery system is higher than or equal to an upper limit value smaller than 100%, first correction, in which the plan is corrected in such a way as to reduce the output of the fuel cell system, is performed and/or if the charge level of the storage battery system is lower than or equal to a lower limit value larger than 0%, second correction, in which the plan is corrected in such a way as to increase the output of the fuel cell system, is performed.
Resumen de: US2025240100A1
A device may include a substrate. A device may include an electrical load supported by the substrate. A device may include a microfluidic volume disposed in the substrate. A device may include an electro-chemical fluid contained in the microfluidic volume, the electro-chemical fluid being configured to (i) generate an electrical current that powers the electrical load and (ii) absorb heat from the electrical load. A method may include a substrate. A method may include an electrical load supported by the substrate. A method may include a microfluidic volume disposed in the substrate. A method may include an electro-chemical fluid contained in the microfluidic volume, the electro-chemical fluid being configured to (i) generate an electrical current that powers the electrical load and (ii) absorb heat from the electrical load.
Nº publicación: US2025239638A1 24/07/2025
Solicitante:
3M INNOVATIVE PROPERTIES COMPANY [US]
3M INNOVATIVE PROPERTIES COMPANY
Resumen de: US2025239638A1
Described herein is a composite comprising a fluorinated polymer and nanoparticles of lithium fluoride. The lithium fluoride has an average BET surface area of at least 10 m2/g. The fluorinated polymer includes a fluorinated polymer backbone chain and a plurality of groups represented by formula —SO2X, in which each X is independently —NZH, —NZSO2(CF2)1-6SO2X′, —NZSO2(CF2)dSO2NZ1-10SO2(CF2)dSO2X′, or —OZ, and Z is independently a hydrogen, an alkali-metal cation, or a quaternary ammonium cation, X′ is independently —NZH or —OZ, and each d is independently 1 to 6. A polymer electrolyte membrane, an electrode, and a membrane electrode assembly including the composite are also provided.
BOPI
Sede Electrónica
