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688
resultados
Última actualización
15/01/2025 [06:58:00]
Resumen de: WO2024135014A1
A hydrogen production system and a hydrogen production method according to the present invention comprise: a heat exchanger that uses a heat medium which has been heated by thermal energy at 600°C or higher to heat water vapor; a high-temperature water vapor electrolysis device that applies, to a high-temperature water vapor electrolysis cell, a voltage lower than the electric potential of a thermoneutral point where Joule heat generation associated with application of an electric current and heat absorption associated with an electrolysis reaction are balanced, electrolyzes the water vapor at 600°C or higher, and produces hydrogen; and a heating device that uses the water vapor to heat the high-temperature water vapor electrolysis device.
Resumen de: WO2025008441A1
The present invention refers to an electrolyzer (1) for the production of hydrogen from an alkaline electrolyte. The electrolyzer (1) comprises a first header (11) and a second header (12) between which a plurality of elementary cells (20) and a plurality of bipolar plates (5, 5', 5'') are stacked. Each bipolar plate (5) separates two adjacent elementary cells. According to the invention, each of said bipolar plates (5, 5',5'') comprises two plate-form components (5A, 5B) coupled together and configured so as to define one or more inner cavities (66) for the circulation of a cooling fluid. Furthermore, each bipolar plate (5, 5', 5'') comprises an inlet section (SI) and an outlet section (SV) respectively for the inlet and outlet of said cooling fluid in said one or more inner cavities (66).
Resumen de: WO2025008162A1
The invention relates to an energy supply system (20) for coupling to a wind turbine (30) used in island mode, wherein the wind turbine (30) is configured to operate an electrolysis system (11) for producing green hydrogen using wind energy, wherein the energy supply system (20) has a solar energy source (21), comprising a photovoltaic module (22) and/or a solar thermal collector (23), which is configured to supply the electrolysis system (21), in particular an enclosure (12) and water-conducting lines of electrolysis units of the electrolysis system (11), with thermal energy in the event of the absence of wind energy. The invention also relates to a corresponding method for supplying solar energy to a wind turbine (30) used in island mode.
Resumen de: WO2025008081A1
The invention relates to a method for operating an electrolysis plant (100) in which water is converted into oxygen and hydrogen in a plurality of electrolysis cells (110.1a, 110.2a, 110.1b, 110.2b). Fluid flows from an oxygen side (114) of the plurality of electrolysis cells (110.1a, 110.2a, 110.1b, 110.2b) are combined and supplied to a gas separator (120) as a processed fluid flow (c), and the processed fluid flow (c) has water and gas. An oxygen-containing fluid flow (g, h) is discharged from the gas separator (120), said oxygen-containing fluid flow having gas, and the oxygen-containing fluid flow (h, d) is supplied to an oxygen region of the electrolysis plant (100). Before being supplied to the oxygen region of the electrolysis plant (100), the oxygen-containing fluid flow (d) is guided through a device (148) for removing hydrogen, in particular a recombination reactor.
Resumen de: WO2025008080A1
The invention relates to a method for operating an electrolysis plant (100) in which water is converted into oxygen and hydrogen in an electrolysis unit (110). A processed fluid flow (c) is guided from an oxygen side (114) of the electrolysis unit to a gas separator (120), and the processed fluid flow (c) has water and gas. An oxygen-containing fluid flow (g, h) is discharged from the gas separator (120), said oxygen-containing fluid flow having gas, and the oxygen-containing fluid flow (h, d) is supplied to an oxygen region of the electrolysis plant (100). If necessary, ambient air (k) is supplied to the oxygen-containing fluid flow (h) at a supply point (140) before the fluid flow is supplied to the oxygen region of the electrolysis plant (100), or the oxygen-containing fluid flow (h) is replaced with ambient air (k) before the fluid flow is supplied to the oxygen region of the electrolysis plant (100). The invention also relates to a corresponding electrolysis plant (100).
Resumen de: WO2025008189A1
A method for treating a raw oxide catalyst material with a perovskite (010) structure. The method comprises preparing a treatment container (110) comprising the oxide catalyst material with the perovskite structure and an alkaline treating solution (020), performing in the treatment container a hydrothermal treatment of the oxide catalyst material with the perovskite structure in the alkaline treating solution (210), obtaining a morphology-modified perovskite oxide catalyst material (310).
Resumen de: AU2023272285A1
The invention relates to a water electrolyzer system (1) for producing hydrogen. The water electrolyzer system (1) comprises an electrolysis stack (8) for converting water into hydrogen, power electronics (12) for transforming the alternating current into a direct-current in order to supply the electrolysis stack (8), components (56, 64, 72, 80) for preparing the process media supplied to and discharged from the electrolysis stack (8), and a control unit (18) for controlling the electrolysis stack (8), the power electronics (12), and the components (56, 64, 72, 80) for preparing the media. At least the electrolysis stack (8), the power electronics (12), and the control unit (18) are formed together as an electrolyzer module (36), and the components (56, 64, 72, 80) for preparing the media and for conveying the media are formed together as a process module (52). The modules (36, 52) are equipped with connection possibilities (32, 40, 48, 84), via which the individual modules (36, 52) can be fluidically and electrically connected together.
Resumen de: AU2023283998A1
The invention relates to a system network (100) comprising at least two electrolysis systems (1A, 1B), a power supply source (3) and a central supply line (5), the central supply line (5) being connected to the secondary side of a transformer (7), the primary side of which can be fed with a current from the power supply source (3). The transformer (7) is designed for an operating frequency above the mains frequency of the public power grid, and so a higher-frequency AC grid is formed, to which the electrolysis systems (1A, 1B) are connected via the central supply line (5).
Resumen de: AU2023285687A1
A method of producing hydrogen and sequestering carbon or sulfur includes generating a fluid including at least one of water, steam, hydrogen sulfide, carbon dioxide and heat as a byproduct of a surface facility and injecting the fluid into a subsurface formation. The subsurface formation can include a porous rock, in various forms of porosity such as intragranular, intergranular, fracture porosity. The method can further include heating the fluid to stimulate an exothermic reaction of the fluid with components of the subsurface rock formation and produce a hydrogen reaction product and one or more of sulfur minerals from the hydrogen sulfide or carbon minerals from the carbon dioxide. The fluid can be heated to between about 25°C and about 500°C. The method can also include extracting the hydrogen produced from the reaction of the fluid with the subsurface rock formation and mineralizing at least one of the sulfur or carbon in the porous rock.
Resumen de: AU2023288544A1
Disclosed herein are low voltage electrolyzers and methods and systems of using those low voltage electrolyzers. Specifically, the electrolyzers can include a pH buffer in the catholyte and/or anolyte of the electrolyzer and generating a gas at the cathode or anode that is consumed at the other of the cathode or anode to reduce the open-circuit potential.
Resumen de: AU2023300562A1
Bipolar plates (1) adapted for use in an electrolyser cell stack (4) and wherein each plate comprises a plate midplane (2) whereby the plate (1) comprises spaced apart uniform spacers (7) extending in opposed directions from the midplane (2). All spacers (7) are arranged along concentric circles (8) in the midplane (2) with spacers (7) alternatingly protruding in opposite directions relative to the midplane (2) along each concentric circle (8) and an even number of spacers (7) are provided in each circumferential circle (8), apart from an innermost circle (9) which comprises a single spacer (7).
Resumen de: AU2023283364A1
An energy system includes a natural or enhanced geothermal reservoir having a subsurface rock formation and an energy source integrated into the natural or enhanced geothermal reservoir configured to convert heat to energy. The energy source can include at least one of: a hydrogen source included in the subsurface rock formation, a methane or other hydrocarbon gas source, and a dihydrogen sulfide source. The dihydrogen sulfide and the methane or other hydrocarbon gas source can be converted to hydrogen and an associated carbon dioxide or sulfur reaction product can also be sequestered by mineralization in the subsurface rock formation following the conversion.
Resumen de: AU2024278341A1
Abstract A reaction chamber for generating hydrogen gas using a hydrogen liquid carrier line may include a channel including a catalyst for causing the hydrogen gas to be produced from a hydrogen liquid carrier, the channel including an inlet end for the hydrogen liquid carrier and an outlet 5 end for a spent carrier. The reaction chamber may also include a valve for controlling a rate of flow of the hydrogen liquid carrier flowing through the channel; a gas outlet for evacuating the hydrogen gas generated in the channel; and at least one processor configured to receive at least one indicator of a demand for the hydrogen gas and to control the valve to adjust the rate of flow of the hydrogen liquid carrier to meet the demand for the hydrogen gas.
Resumen de: DE102023206321A1
Es wird ein Energieversorgungssystem (20) zur Kopplung an eine im Inselbetrieb eingesetzte Windkraftanlage (30) angegeben, wobei die Windkraftanlage (30) eingerichtet ist, eine Elektrolyseanlage (11) zur Herstellung von grünem Wasserstoff mit Windenergie zu betreiben, wobei das Energieversorgungssystem (20) eine Solarergiequelle (21), umfassend ein Photovoltaikmodul (22) und/oder einen Solarthermiekollektor (23), aufweist, welche eingerichtet ist, die Elektrolyseanlage (21), insbesondere eine Einhausung (12) und wasserführende Leitungen von Elektrolyseeinheiten der Elektrolyseanlage (11), im Falle des Ausbleibens von Windenergie mit thermischer Energie zu versorgen. Weiterhin wird ein entsprechendes Verfahren zur Versorgung einer im Inselbetrieb eingesetzten Windkraftanlage (30) mit Solarenergie vorgestellt.
Resumen de: DE102023206268A1
Elektrolysesystem (1) mit einem Elektrolyseur (2), der dazu eingerichtet ist, mit Hilfe von elektrischer Gleichspannung Wasser in Wasserstoff und Sauerstoff aufzuspalten, und mit einem elektrischen String (5), der den Elektrolyseur (2) mit der erforderlichen Gleichspannung zum Betrieb der Elektrolyse versorgt und der Vorschaltkomponenten (7) und einen Gleichrichter enthält, wobei der elektrische String (5) mit einer Wechselspannungsquelle (3) verbunden ist. Es sind mehrere parallel geschaltete Strings (5) vorhanden, deren Stromstärken sich zu einem Gesamtstrom zur Versorgung des Elektrolyseurs (2) mit der erforderlichen elektrischen Gleichspannung addieren.
Resumen de: DE102023128753A1
Ein Elektrolyseur-Stapel, ein Elektrolysesystem und ein Verfahren zum Betreiben eines Elektrolysesystems werden bereitgestellt. In einem Beispiel umfasst der Elektrolyseur-Stapel einen Zellenblock, der eine Vielzahl von Zellen umfasst, die so konfiguriert sind, dass sie Wasser aufnehmen und umwandeln, um einen Wasserstoffproduktstrom zu bilden. Der Elektrolyseur-Stapel umfasst einen Kraftapplikator, der so konfiguriert ist, dass er bei Druckbeaufschlagung eine Kraft auf den Zellenblock ausübt, um Dimensionsänderungen (z. B. Ausdehnung oder Kontraktion) des Elektrolyseur-Stapels entgegenzuwirken. Die vom Kraftapplikator aufgebrachte Kraft basiert auf dem Druck des Wasserstoffproduktstroms.
Resumen de: DE102023128755A1
Ein Elektrolyseur-Stapel, ein Elektrolysesystem und ein Verfahren zum Betreiben eines Elektrolysesystems werden bereitgestellt. In einem Beispiel umfasst der Elektrolyseur-Stapel einen Zellblock, der eine Vielzahl von Zellen umfasst, die so konfiguriert sind, dass sie Wasser aufnehmen und umwandeln, um einen Wasserstoffproduktstrom zu bilden. Eine Blase steht in Fluidverbindung mit dem Wasserstoffproduktstrom und ist so angeordnet, dass sie eine Kraft auf den Zellblock ausübt, wenn dieser durch einen Teil des Wasserstoffproduktstroms unter Druck gesetzt wird.
Resumen de: CN118339104A
The invention relates to a method for producing hydrogen and oxygen by dissociating water molecules decomposed by an electric field, the intensity of which increases unevenly in a periodic repetition until the electric field imparts sufficient excitation energy to the water molecules. The dissociation product is photon stabilized and transferred for further use.
Resumen de: CN118742673A
A modular electrochemical system, the system comprising: one or more electrochemical cells, where each electrochemical cell comprises at least one electrochemical stack, and one or more auxiliary equipment BOP cells, where each BOP cell comprises at least one BOP facility for the at least one electrochemical stack, where each BOP facility comprises at least one BOP cell for the at least one electrochemical stack; some or each electrochemical monolithic corresponds to any one or several of the BOP monolithic, and vice versa, and each electrochemical monolithic and/or each BOP monolithic is provided with a frame comprising at least one port for connectable with one or more corresponding monolithic.
Resumen de: WO2025010445A2
Disclosed herein is an electrolyte comprising H+ or OH- and precursors used to make a hydrogen evolution electrocatalyst, an oxygen evolution electrocatalyst, a bifunctional hydrogen/ oxygen evolution electrocatalyst, or any combination thereof for use in in situ catalyst synthesis, deposition and/or utilization.
Resumen de: WO2025009683A1
The present invention relates to a solid oxide battery system capable of a reverse operation, in which while selectively operating, as needed, a fuel cell mode for producing electricity by using methane as fuel according to a demand for power production and a water electrolysis mode for producing methane by combining carbon dioxide and hydrogen obtained by electrolyzing water by using the produced electricity, each mode shares a hybrid tank in which methane and carbon dioxide are stored, thereby efficiently producing and storing energy. The present invention comprises: a hybrid tank in which methane and carbon dioxide are separately stored; and a reversely operating solid oxide cell driven in a water electrolysis mode and a fuel cell mode.
Resumen de: US2024222669A1
A hydrocarbon feed stream is exposed to heat in an absence of oxygen (pyrolysis) to convert the hydrocarbon feed stream into a solids stream and a gas stream. The solids stream includes carbon. The gas stream includes hydrogen. The gas stream is separated into an exhaust gas stream and a first hydrogen stream. The first hydrogen stream includes at least a portion of the hydrogen from the gas stream. The carbon is separated from the solids stream to produce a carbon stream. Electrolysis is performed on a water stream to produce an oxygen stream and a second hydrogen stream. At least a portion of the oxygen of the oxygen stream and at least a portion of the carbon of the carbon stream are combined to generate power and a carbon dioxide stream. At least a portion of the generated power is used to perform the electrolysis on the water stream.
Resumen de: AU2023269117A1
Two phased production of hydrogen involving an electrolytic cell containing first and second electrodes and a solution comprising a metal salt. The first and second electrodes are connected to an external electric energy source during a charging phase, which deposits the metal of the metal salt on the first electrode and evolves oxygen on the second electrode. Once the charging phase has been completed the first and second electrodes are disconnected from the external electric energy source with the cell containing the deposited metal kept in a standby condition until hydrogen production is required. During a discharging phase, the first and second electrodes are short circuited, whereby the metal is dissolved from the first electrode and hydrogen is evolved from the second electrode without any appreciable simultaneous withdrawal of electrical energy. The production of hydrogen is thereby increased accordingly. Variations of the above are also provided.
Resumen de: US2024279054A1
The present disclosure relates to methods and reactors for generating of gas and specifically for generation of oxygen gas and hydrogen gas.
Nº publicación: EP4486934A1 08/01/2025
Solicitante:
H2FUEL WORKS B V [NL]
H2Fuel Works B.V
Resumen de: AU2023228550A1
In a method of producing metal borohydride, M(BH
BOPI
Sede Electrónica
