Resumen de: US2025323298A1
A methane-oxygen battery system including an electrochemical cell including a positive electrode, a negative electrode, and an electrolyte; a reactor in fluid communication with the negative electrode; a fuel gauge; and a gas store including a first compartment in fluid communication with the positive electrode and configured to store oxygen, a second compartment in fluid communication with the negative electrode and configured to store carbon dioxide and water, a third compartment in fluid communication with the negative electrode or the reactor and configured to store methane, a first barrier between the first compartment and the second compartment, and a second barrier between the second compartment and the third compartment. The gas store and the electrochemical cell form a closed system. The fuel gauge is configured to determine a state of charge based on a position of at least one of the first barrier or the second barrier.
Resumen de: US2025323291A1
A computer system comprising processing circuitry configured to: receive a maintenance instruction for a first hydrogen tank of a vehicle, the first hydrogen tank being one of a plurality of hydrogen tanks configured to supply hydrogen to a hydrogen consumer of the vehicle; in response to the received maintenance instruction, control the supply of hydrogen from the plurality of hydrogen tanks to the hydrogen consumer by prioritizing supply of hydrogen from the first hydrogen tank; and determine the gas pressure of the first hydrogen tank, and in response to the determined gas pressure being below a predetermined supply pressure threshold, control a hydrogen supply valve for the first hydrogen tank to close to prevent further supply of hydrogen from the first hydrogen tank to the hydrogen consumer.
Resumen de: AU2024235178A1
A method and system for generating electrical power for supply to a utility scale electrical grid managed by a central management authority is disclosed. The method and system comprise processing waste material and an environmental air supply to generate a hydrogen supply and generating electrical power based on the hydrogen supply, wherein the electrical power is generated to have predetermined supply characteristics configured to meet stability requirements of the utility scale electrical grid.
Resumen de: AU2024233811A1
The present invention relates to a device for electrochemical balancing of electrolytes of a redox flow battery, a redox flow battery system device, methods using thereof and uses thereof.
Resumen de: WO2024184177A1
An amidinium-functionalized compound, characterized in that the compound has a structure according to General Formula I or General Formula II wherein • R5 and R9 are any substituent different from hydrogen; • R1 to R4 are independently selected from the group consisting of an alkyl group, an alkenyl group, an alkynyl group, an aralkyl group, an alkaryl group, an aryl group and a heteroaryl group, or any of R1 and R3, R1 and R4, R1 and R2, R3 and R4, R2 and R3, or R2 and R4 represent the necessary atoms to form a five- to eight- membered non-aromatic ring; • R6 to R8 are independently selected from the group consisting of hydrogen, an alkyl group, an alkenyl group, an alkynyl group, an aralkyl group, an alkaryl group, an aryl or heteroaryl group, a halogen group, an ether group, a nitro group, an amine group, or any of R5 and R6, R6 and R7, R7 and R8, or R8 and R9 represent the necessary atoms to form a five- to eight-membered ring; • X- is an anion; and wherein • at least one of R1 to R9 comprises a polymerizable group or comprises the necessary atoms to link the amidinium group to a polymer.
Resumen de: AU2023445093A1
An object of the invention is a stack module of solid oxide cell stacks comprising a fuel inlet manifold (150) and a fuel outlet manifold (152) between the two adjacent stacks (103). The stack module comprises at least two stack bundles, each stack bundle containing a row or a matrix of the stacks (103) together with a fuel inlet manifold (150) supplying fuel for the stacks and a fuel outlet manifold (152) collecting fuel gas from the stacks (103), which are connected to the manifolds (150, 152) parallel in terms of their fuel inlet and fuel outlet, the stack module being located inside an air tight cover (169) comprising needed interfaces into the air tight cover (169) and out from the air tight cover (169), and fuel gas flow characteristics in the manifolds (150, 152) being optimized with the size of the holes connecting the manifolds and the stack based on the pressure drop characteristics of the manifolds (150, 152) and stacks connected parallel to that, and the stacks are electrically isolated from the fuel manifold structures (150, 152) with an electrical isolation structure (172) and the other end of the stack is electrically separated from other structures, and the stack module comprises a side sealing solution (166) between the neighboring stacks (103a) in a stack bundle and between the stacks (103b) at the end of the bundle and the air tight cover (169) preventing air flowing from an inlet chamber directly to an outlet chamber without flowing through the stacks, the
Resumen de: US2025323286A1
A potential difference generation device includes: a nanostructure including a base made of a hydrogen storage metal or the like, and a multilayer film provided on the base; a first electrode provided on the nanostructure; and a second electrode provided to face the multilayer film, in which the multilayer film has a configuration in which a first layer and a second layer are stacked, each layer being made of different hydrogen storage metal or the like and having a thickness of less than 1000 nm, and a heterogeneous material interface is formed between each layer, the nanostructure is heated, so that hydrogen permeates through or diffuses into the heterogeneous material interface by quantum diffusion, and a charged particle is emitted from the multilayer film, and the charged particle is captured by the second electrode, so that a potential difference is generated between the first electrode and the second electrode.
Resumen de: US2025323288A1
A metal-oxygen battery system, including: an electrochemical cell including a positive electrode, a negative electrode, and an electrolyte between the positive electrode and the negative electrode; and an energy storage reactor in fluid communication with the negative electrode; a gas store in fluid communication with the positive electrode, the gas store configured to store oxygen; and a fuel gauge configured to determine a state of charge, wherein the gas store and the positive electrode form a closed system.
Resumen de: US2025323304A1
An electrochemical cell stack includes at least two electrochemical cells that each contain a fuel electrode, an air electrode, and an electrolyte located between the fuel electrode and the air electrode, at least one interconnect located between the at least two electrochemical cells, and a contact layer that electrically connects the at least one interconnect and the fuel electrode of an adjacent one of the at least two electrochemical cells. The contact layer includes first wires that extend in a first direction, the first wires including thinner first wires and thicker first wires, the thicker first wires having a thickness that is larger than a thickness of the thinner first wires, and second wires that extend in a second direction different from the first direction.
Resumen de: US2025323296A1
A control system for controlling a fuel cell system is provided, wherein the fuel cell system comprises a plurality of sub-units. The control system comprises a control unit being configured to control each of the sub-units individually.
Resumen de: US2025323295A1
A method and system of detecting mass air flow (MAF) sensor failure on an aircraft includes at least one signal from a non-MAF sensor received by a controller of a fuel cell system having at least one MAF sensor. The signal received by the controller is analyzed relative to a compressor map to estimate mass air flow. A MAF sensor failure is detected based on the estimated mass air flow. When a MAF sensor failure is detected, a safe operating mode of the fuel cell system may be activated to provide adequate power for operation of the aircraft to a safe landing while minimizing risk of damage to the fuel cell system.
Resumen de: US2025323299A1
The methane generation system according to the present disclosure includes a methane generation unit including an electrolysis device that electrolyzes water to obtain hydrogen and a methane reactor that obtains a fuel gas containing methane by a methanation reaction using the hydrogen; a reformer that reforms the fuel gas to obtain a reformed gas; a fuel cell that generates electricity by a reaction of obtaining a product gas from the reformed gas and an oxygen-containing gas; a recovery device that separates a recovery gas containing carbon dioxide from return fluid which is a pail of the product gas; and a circulation path through which the recovery gas is guided to the methane generation unit.
Resumen de: US2025323303A1
A method and system of generating electrical power or hydrogen from thermal energy is disclosed. The method includes separating, by a selectively permeable membrane, a first saline solution from a second saline solution, receiving, by the first saline solution and/or the second saline solution, thermal energy from a heat source, and mixing the first saline solution and the second saline solution in a controlled manner, capturing at least some salinity-gradient energy as electrical power as the salinity difference between the first saline solution and the second saline solution decreases. The method further includes transferring, by a heat pump, thermal energy from the first saline solution to the second saline solution, causing the salinity difference between the first saline solution and the second saline solution to increase. The method may include a process of membrane distillation, forward osmosis, evaporation, electrodialysis, and/or salt decomposition for further energy efficiency and power generation.
Resumen de: US2025323292A1
A carbon-oxygen battery system, including a Boudouard reactor in fluid communication with an electrochemical cell; a carbon store configured to store carbon; a gas store in fluid communication with the electrochemical cell, and a fuel gauge. The gas store is configured to separately store oxygen and a carbon-containing gas, wherein the gas store comprises a movable barrier separating the oxygen from the carbon-containing gas. The fuel gauge configured to determine a state of charge based on a position of the movable barrier, a mass of the oxygen in the gas store, a mass of the carbon-containing gas in the gas store, a mass of carbon in the carbon store, a volume of carbon in the carbon store, or a combination thereof. The gas store and the electrochemical cell form a closed system.
Resumen de: AU2024268862A1
An apparatus for generating electrical energy is disclosed. The apparatus comprises an electrolytic hydrogen generator configured to receive electricity from at least one renewable electricity generating source and produce hydrogen and oxygen from water. The apparatus also comprises a hydrogen storage unit configured to store hydrogen produced by the electrolytic hydrogen generator and a plurality of hydrogen fuel cells in fluid connection with the hydrogen storage unit and a source of oxygen or air, each hydrogen fuel cell configured to generate electricity from hydrogen supplied from the hydrogen storage unit and oxygen or air supplied from the source of oxygen or air.
Resumen de: AU2024253468A1
A conjugate acid proton exchange polymer molecule includes an acidic aromatic unit in a main chain or a side chain, wherein the acidic aromatic unit is a conjugate acid of a basic aromatic unit, and a non-coordinating counter anion ionically linked with the acidic aromatic unit.
Resumen de: AU2024239888A1
Disclosed are polybenzimidazole gel membranes that exhibit both high proton conductivity and high tensile strength at break. The membranes are formed with a high percentage of tetraaminobiphenyl monomers and naphthalene dicarboxylic acid monomers.
Resumen de: AU2024256779A1
A fuel cell such as an alkaline fuel cell for generating electricity and for extracting carbon dioxide from the air by means of direct air capture. The carbon dioxide is captured in the fuel by a chemical reaction with the electrolyte of the fuel cell. The product produced by the chemical reaction is transported to a reactor for replenishing the amount of electrolyte that reacted with the carbon dioxide.
Resumen de: US2025320615A1
A gas management system includes an anodic chamber, a cathodic chamber, and a membrane assembly configured to remove bubbles from an electrochemical cell to increase hydrogen generation of the electrochemical cell. The membrane assembly includes a first outer layer arranged between the cathodic chamber and the anodic chamber, a second outer layer arranged between the first outer layer and the cathodic chamber, and a spacer layer arranged between the first outer layer and the second outer layer.
Resumen de: DE102024121526A1
Eine Membranelektrodenanordnung umfasst eine Kathode, die an einem Ende angeordnet ist, und eine Anode, die an einem von der Kathode abgewandten Ende angeordnet ist. Die Membranelektrodenanordnung umfasst auch eine Protonenaustauschmembran, die zwischen der Kathode und der Anode angeordnet ist. Außerdem enthält die Anode mindestens eine Katalysatorschicht mit einem aktiven Katalysatormaterial, einem Kohlenstoffträgermaterial, mindestens einem Ionomer und einem Polymelamin-Formaldehyd-Polymer als Additiv.
Resumen de: DE102024004502A1
Befeuchter für eine Brennstoffzelle mit einem Membranstapel, der unter Feuchtigkeitstausch im Kreuzstrom von einem von der Brennstoffzellenvorrichtung abgeführten Abluftstrom und einem der Brennstoffzellenvorrichtung zugeführten Zuluftstrom durchströmt wird, und einem Gehäuse, das den Membranstapel dichtend und bevorzugt stoffschlüssig so aufnimmt und dichtend hält, dass der besagte Kreuzstrom zumindest im Wesentlichen leckage- und vermischungsfrei ablaufen kann, wobei sein Gehäuse aus zwei miteinander zu fügenden Gehäusehälften besteht, deren zu fügende Grenzflächen, entlang derer die Gehäusehälften gegeneinander dichtend gefügt werden, so in mehreren unterschiedlichen Ebenen verlaufen und so gestaltet sind, dass bereits in Vorbereitung des Fügens angebrachte Dichtungsmaterialien beim Fügen im Wesentlichen keiner Scherbeanspruchung ausgesetzt werden.
Resumen de: DE102024203457A1
Die Erfindung betrifft ein Verfahren zum Betreiben eines elektrochemischen Stacks (1), insbesondere eines Elektrolyse- oder Brennstoffzellen-Stacks, aufweisend eine Vielzahl elektrochemischer Zellen (2) in gestapelter Anordnung. Erfindungsgemäß wird durch Anbringen mindestens eines Bypass- und/oder Widerstandselements (3) der Strom an einer einzelnen gealterten elektrochemischen Zelle (2) oder Zellgruppe zumindest teilweise vorbeigeführt.Darüber hinaus betrifft die Erfindung einen elektrochemischen Stack (1), insbesondere einen Elektrolyse- oder Brennstoffzellen-Stack, der zur Durchführung des erfindungsgemäßen Verfahrens geeignet bzw. nach dem Verfahren betreibbar ist.
Resumen de: DE102024110374A1
Befeuchter für eine Brennstoffzelle mit einem Membranstapel, der unter Feuchtigkeitstausch im Kreuzstrom von einem von der Brennstoffzellenvorrichtung abgeführten Abluftstrom und einem der Brennstoffzellenvorrichtung zugeführten Zuluftstrom durchströmt wird, und einem Gehäuse, das den Membranstapel dichtend und bevorzugt stoffschlüssig so aufnimmt und dichtend hält, dass der besagte Kreuzstrom zumindest im Wesentlichen leckage- und vermischungsfrei ablaufen kann, wobei sein Gehäuse aus zwei miteinander zu fügenden Gehäusehälften besteht, deren zu fügende Grenzflächen, entlang derer die Gehäusehälften gegeneinander dichtend gefügt werden, so in mehreren unterschiedlichen Ebenen verlaufen und so gestaltet sind, dass bereits in Vorbereitung des Fügens angebrachte Dichtungsmaterialien beim Fügen im Wesentlichen keiner Scherbeanspruchung ausgesetzt werden.
Resumen de: DE102024110177A1
Die hier offenbarte Technologie betrifft erfindungsgemäß ein Verfahren zum Einstellen eines Brennstoffzellensystems (10), wobei das Brennstoffzellensystem (10) eine Brennstoffzelle (20), einen Ejektor (12) mit einem Primärfluideingang (13), einem Sekundärfluideingang (14) und einem Mischfluidausgang (15), einen Brennstoffpfad (31) zum Leiten von Brennstoff zum Primärfluideingang (13), einen Mischfluidpfad (32) zum Leiten eines Mischfluids aus dem Ejektor (12) zur Brennstoffzelle (20), einen Rezirkulationspfad (33) zum Leiten eines Prozessgases aus der Brennstoffzelle (20) zum Sekundärfluideingang (14), ein Purge-Ventil (16) zum kontrollierten Leiten von wenigstens einem Teil des Prozessgases aus dem Rezirkulationspfad (33) heraus umfasst, aufweisend die Schritte: Ermitteln einer Stöchiometrie im Rezirkulationspfad (33) und Einstellen des Purge-Ventils (16) basierend auf der ermittelten Stöchiometrie. Die Technologie betrifft ferner ein Brennstoffzellensystem (10), ein Fahrzeug (100), ein Computerprogrammprodukt (40) sowie ein computerlesbares Speichermedium (50).
Nº publicación: DE102024203392A1 16/10/2025
Solicitante:
STELLANTIS AUTO SAS [FR]
STELLANTIS AUTO SAS
Resumen de: DE102024203392A1
Die vorliegende Entwicklung betrifft ein Verfahren und ein System (10) zur Kühlung einer Brennstoffzelle (30) umfassend:- einen mit der Brennstoffzelle (20) thermisch koppelbaren Kühlmittelkreislauf (11),- einen mit einer Abgasleitung (24) der Brennstoffzelle (20) verbundenen Sammler (28) zum Auffangen und/oder Sammeln eines im Betrieb der Brennstoffzelle (20) aus der Brennstoffzelle entweichenden Reaktionsprodukts,- einen Wärmetauscher (30), welcher mit dem Reaktionsprodukt beaufschlagbar und welcher mit dem Kühlmittelkreislauf (11) thermisch gekoppelt ist.