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320
resultados
Última actualización
10/02/2026 [07:00:00]
Resultados 25 a 50 de 320
Resumen de: EP4686774A1
A frame assembly (Fr.Ass) comprising a frame (TF) configured to be integrated in a stack of frames of an electrolyzer, the frame comprising a central opening (CentOp), a first through opening (In<sub>2</sub> , Out<sub>2</sub> ), a top surface (Top) and a bottom surface (Bot) opposed to the top surface (Top), the frame further comprising an open channel (OpCh) on the bottom surface (Bot), the frame assembly comprising a bipolar plate (BP) formed from a polymer material, the bipolar plate being arranged so as to seal the open channel (OpChan), the bipolar plate being welded to the frame (TF).
Resumen de: TW202503114A
Provided are a gas production method and a gas production apparatus that are capable of preventing the composition of generated gas in a gas phase part of each circulation tank from reaching a flammability limit to reduce a bad effect of a remaining dissolved gas in electrolyte on gas purity even when an electrolyte exchange is carried out between an anode side circulation tank and a cathode side circulation tank. In the gas production method of producing oxygen gas and hydrogen gas by electrolyzing electrolyte which is alkaline water by means of an electrolysis vessel, the electrolyte is depressurized when an electrolyte on the anode side and an electrolyte on the cathode side are exchanged.
Resumen de: EP4686773A1
A frame assembly (Fr.Ass) comprising a frame (TF) configured to be integrated in a stack of frames of an electrolyzer, the frame comprising a central opening (CentOp), a first through opening (In<sub>2</sub>, Out<sub>2</sub>), a top surface (Top) and a bottom surface (Bot) opposed to the top surface (Top), the frame further comprising an open channel (OpCh) on the bottom surface (Bot), the frame assembly comprising a bipolar plate (BP) formed from a polymer material, the bipolar plate being arranged so as to seal the open channel (OpChan), the bipolar plate being welded to the frame (TF).
Resumen de: AU2023408768A1
A method of hydrogen production includes providing a solution and immersing a device in the solution. The device includes a substrate having a surface, an array of conductive projections supported by the substrate and extending outward from the surface of the substrate, and a plurality of catalyst nanoparticles disposed over the array of conductive projections. The solution includes dissolved sodium chloride (NaCl).
Resumen de: CN116491864A
The invention is applicable to the technical field of cleaning appliances, and discloses a bottom cover assembly, which seals the bottom of an integrated water tank comprising a clear water tank and a sewage tank, and comprises: an electricity taking access device for connecting a water electrolysis module arranged in the clear water tank to an external power supply interface of the water tank; the upper surface of the bottom cover middle frame seals the clear water tank and/or the sewage tank, the lower surface of the bottom cover middle frame defines a wiring cavity used for connection of the electricity taking access device, the lower surface of the bottom cover middle frame is provided with a bearing ring rib used for supporting the weight of the integrated water tank, and the electricity taking access device is installed on the upper surface or the lower surface of the bottom cover middle frame. The invention further discloses the integrated water tank comprising the bottom cover assembly. The electricity taking access device arranged on the bottom cover assembly and used for taking electricity from the water electrolysis module is far away from the clear water outlet, so that the short circuit of the electricity taking access device caused by water leakage is avoided; the bottom cover assembly not only ensures complete insulation and isolation of the water tank and the electricity taking electrode of the water electrolysis module, but also ensures continuous maintainabi
Resumen de: CN120659909A
An electrochemical cell stack (1) comprising a plurality of cells (2) separated from one another by bipolar plates (5, 5 '), where each cell (2) is formed by two half-cells (3, 4) between which a membrane (6) surrounded by a support frame (7) is arranged, and where a porous transport layer (10, 11) is present in each half-cell (3, 4). The support frame (7) describes a step shape having two adjacent cross-sectional areas (12, 13), in which the edge (18) of the membrane (6) lies in a step (17) formed by the cross-sectional areas (12, 13) and the porous transport layer (10) of the half-cell (3) extends into the step (17), and in which the porous transport layer (10) of the half-cell (3) extends into the step (17). According to the invention, the support frame (7) comprises at least one sealing arrangement (15) injection molded onto the support frame (7) and comprising an electrically insulating sealing material, according to the invention, the sealing arrangement (15) comprises three sealing regions (19, 20, 21), each having at least one sealing lip (22, 22 '), in particular a first sealing region (19) and a second sealing region (20) and a third sealing region (21), which are assigned to narrower regions of the two cross-sectional regions (12, 13) facing the membrane (6), the first sealing region and the second sealing region each contact exactly one bipolar plate (5, 5 '), and the third sealing region is located on a side of the support frame (7) facing away from the step (17)
Resumen de: CN120677016A
Provided herein are water-reactive aluminum compositions comprising aluminum or an alloy thereof and an activating metal alloy (e.g., a non-eutectic activating metal alloy comprising bismuth, tin, indium, and gallium; or an activating metal alloy comprising bismuth, tin and indium). Some water-reactive aluminum compositions provided herein are free of gallium. Also provided herein are methods of activating aluminum to provide a water-reactive aluminum composition. Also provided are fuel mixtures comprising the water-reactive aluminum composition described herein and a water-reactive aluminum composition having an increased gallium content; and methods of providing hydrogen and/or steam using the water-reactive aluminum compositions described herein.
Resumen de: US2024294395A1
A process for preparing metal oxide comprising (i) at least one metal chosen from nickel and cobalt and optionally (ii) at least one metal chosen from manganese, lithium and aluminum. The process comprising:reacting a metal sulfate comprising (i) at least one metal chosen from nickel and cobalt and optionally (ii) at least one metal chosen from manganese, lithium and aluminum with lithium hydroxide and optionally a chelating agent to obtain a solid comprising a metal hydroxide comprising (i) at least one metal chosen from nickel and cobalt and optionally (ii) at least one metal chosen from manganese, lithium and aluminum, and a liquid comprising lithium sulfate, the metal sulfate comprising (i) at least one metal chosen from nickel and cobalt and optionally (ii) at least one metal chosen from manganese, lithium and aluminum;separating the liquid and the solid from one another to obtain the metal hydroxide;submitting the liquid comprising lithium sulfate to an electromembrane process for converting the lithium sulfate into lithium hydroxide; andreusing at least a first portion of said lithium hydroxide obtained by the electromembrane process for reacting with the metal sulfate;reacting at least a second portion of said lithium hydroxide obtained by the electromembrane process with the obtained metal hydroxide to obtain a mixture of metal hydroxides; androasting said mixture of metal hydroxides to obtain the metal oxide.
Resumen de: WO2025002651A1
The invention relates to an energy supply device (1) for an electrolyzer (10). The energy supply device (1) has an input circuit (2) and a transformer (3). The input circuit (2) is designed to be connected to an energy source (4) or an energy supply network. In order to improve the energy supply device (1), the input circuit (2) is additionally designed to provide at least two different electric potentials at contacts (5), and the converter (3) is electrically connected to at least one of the contacts (5) on the input side by means of a respective conductor (6). The energy supply device (1) is designed to change the contact (5) connected to the converter (3) by reconnecting at least one conductor (6) of the energy supply device (1). The invention additionally relates to an electrolysis device comprising such an energy supply device (1) and an electrolyzer (10) and to a method for controlling such an energy supply device (1) or such an electrolysis device (100), wherein the converter (3) is operated using a voltage level produced by the input circuit, and at least one conductor (6) of the energy supply device (1) is manually reconnected from a first contact of the contacts (5) to a second contact of the contacts (5) in order to change the voltage level.
Resumen de: US20260028543A1
Methods and systems of the present disclosure can function to capture flue gas and convert the flue gas to a synthesis gas, which can be further processed to other components such as liquid fuels. Aspects of the present disclosure provide for a process designed to capture flue gas from large scale (i.e. ̃GW), fossil based power plants in a 24/7 continuous operation. In addition, the method and system can convert the flue gas to a synthesis gas (mainly carbon monoxide and hydrogen), which will be processed into high quality liquid fuels, like diesel.
Resumen de: WO2026022486A1
Described herein includes a method for the production of hydrogen gas, the method comprising: (i) providing a DC electrical power supply; (ii) providing a plasma reactor (100) comprising: (a) a plasma chamber (105), (b) a plasma torch (135) comprising a first plasma electrode extending into the plasma chamber, (c) a second plasma electrode extending into the plasma chamber, and (d) first and second spray systems, each extending into the plasma chamber; (iii) establishing a DC electric potential between the first plasma electrode and the second plasma electrode to generate and sustain a reaction zone about a plasma arc therebetween; (iv) providing a spray of a hydrogen-containing feedstock into the reaction zone from the first spray system, whereby a mixture of gases comprising hydrogen gas is formed in the plasma chamber by decomposition of the hydrogen-containing feedstock; and (v) providing a spray of water into the plasma chamber adjacent to the reaction zone from the second spray system, whereby the spray of water cools and dilutes the mixture of gases formed in step (iv).
Resumen de: CN120981608A
Disclosed is an electrolyte solution comprising an electrolyte, where the electrolyte is used in an amount ranging between 1 wt% and 10 wt% of the electrolyte solution; an ionic liquid, wherein the ionic liquid is used in an amount ranging between 1 wt% and 5 wt% of the electrolyte solution; and a solvent, wherein the solvent is used in an amount ranging between 75 wt% and 99 wt% of the electrolyte solution.
Resumen de: CN121039323A
A method of generating hydrogen and oxygen from a liquid feed stream by an integrated system of forward osmosis and electrolysis is disclosed wherein the method comprises the steps of feeding water into an electrolyte solution by means of forward osmosis and applying a voltage across the electrolyte solution to generate hydrogen and oxygen, characterized in that the electrolyte solution comprises an electrolyte, an ionic liquid and a solvent wherein the electrolyte is used in an amount ranging from 1 wt% to 10 wt% of the electrolyte solution and wherein the ionic liquid is used in an amount ranging from 1 wt% to 5 wt% of the electrolyte solution, and wherein the solvent is used in an amount ranging between 75 wt% and 99 wt% of the electrolyte solution.
Resumen de: CN120917183A
An electrode for water electrolysis under alkaline conditions, comprising: a nickel metal substrate; a ceramic material having a perovskite-type structure comprising an oxide of at least one metal selected from lanthanide series elements including lanthanum, cerium and praseodymium, the ceramic material forming a coating on the nickel metal substrate; the metal nanoparticles are embedded within the ceramic material. The metal nanoparticles facing the alkaline solution have electrochemical activity, while the metal nanoparticles facing the metal substrate form anchor points between the metal substrate and the ceramic material.
Resumen de: AU2024321116A1
The present invention relates to a methanation method comprising providing an electrolyser system, the electrolyser system (20) comprising an electrolyser (10) that has at least one electrolyser cell (11), at least one fuel input (14) through which fuel enters the electrolyser (10) and at least one offgas output (46) from which offgas exits the electrolyser (10), the method further comprising supplying fuel to the at least one fuel inlet, the fuel comprising at least water and either or both carbon dioxide and carbon monoxide, operating the electrolyser system (20) by powering the electrolyser cell (11) with electricity to electrolyse the fuel in the at least one electrolyser cell (11) such that a part of the water splits into hydrogen and oxygen, wherein the electrolyser (10) is operated at a temperature at or in excess of 150 degrees C, and methanation occurs to the carbon dioxide and/or carbon monoxide in the electrolyser (10). The gas mixture can be released from the at least one offgas output (46) and then passed through a gas separation process to separate at least the methane from the gas mixture. The present invention also relates to an electrolyser system (20) configured to operate using the above method. The electrolyser system (20) comprises a fuel fluid flow path connecting a fuel inlet and a fuel outlet. The method may comprise providing to the fuel inlet a fuel gas containing water and a source of carbon selected from one or more of CO and CO2, operating the ele
Resumen de: AU2024299452A1
A control method and apparatus for a hydrogen production system. The method comprises: for each electrolytic cell, performing evaluation to obtain energy efficiencies of the electrolytic cell under load currents; for each electrolytic cell, converting the energy efficiencies of the electrolytic cell under the load currents into an energy efficiency value of the electrolytic cell; and ranking the electrolytic cells in descending order according to the energy efficiency values of the electrolytic cells, and performing power distribution on the electrolytic cells on the basis of the ranking. In the present solution, current efficiencies corresponding to load currents are obtained on the basis of bypass currents under the load currents, energy efficiencies corresponding to the load currents are obtained on the basis of the current efficiencies and voltage efficiencies, the energy efficiencies are converted into energy efficiency values, and power distribution is performed on electrolytic cells on the basis of the energy efficiency values, thereby achieving the purpose of controlling the power distribution for electrolytic cells in a hydrogen production system on the basis of accurate energy efficiencies of the electrolytic cells.
Resumen de: AU2024293794A1
The present invention is directed to a method and plant for controlling a dynamic operation in a Power-to-X plant via a DCS (distributed control system). Said plant comprises one or more electrolyzers for converting water into hydrogen and said plant can produce one or more of ammonia, methanol, ethanol, DME, methane or synthetic fuels such as gasoline or jet fuel.
Resumen de: WO2026020744A1
A gas supply system for an LNG dual-fuel main engine, and an LNG dual-fuel powered ship. The gas supply system comprises an LNG supply unit (10), a dual-fuel main engine (20), an electrolytic hydrogen production unit (30), an exhaust gas recirculation unit (40), and a cold and heat circulation unit (50). The LNG supply unit (10) comprises an LNG storage tank (11), a submersible pump (12), an LNG heat exchanger (13) and a buffer tank (14). The electrolytic hydrogen production unit (30) comprises a pure water unit (31), a pure water heat exchanger (32), an electrolytic cell (33), a hydrogen storage tank (34), and an oxygen storage tank (35). The exhaust gas recirculation unit (40) comprises a flue gas heat exchanger (41). The cold and heat circulation unit (50) comprises an expansion water tank (51) and a circulation pump (52).
Resumen de: AU2024213038A1
An electrolyser system and method of electrode manufacture. The electrolyser system may comprise a first vessel in communication with an electrolyser stack, a power supply, an electrode, a separator, a membrane, and a second vessel in communication with the electrolyser stack. The electrode may comprise a catalytic material and a micro- porous and/or nano-porous structure. The method of electrode manufacture may comprise providing a substrate, contacting the substrate with an acidic solution, applying an electric current to the substrate, simultaneously depositing a main material and supporting material comprising a scarifying material onto the substrate, and leaching the scarifying material.
Resumen de: AU2024298608A1
An electrolyzer (1) for electrolyzing saline water comprising: a housing (10) extending along a longitudinal direction (X-X) between a first end portion (11) and an opposed second end portion (12) and having a feed fluid inlet (13) and a product fluid outlet (14); two or more electrolytic cells (20) connected fluidically between the feed fluid inlet (13) and the product fluid outlet (14) and configured to electrolyze saline water entering the housing (10) to produce an electrolyzed fluid comprising hydrogen, hypochlorite and saline water; each electrolytic cell (20) comprising an anode (21) and a cathode (22); the housing (10) comprises: an inner wall (30) extending from the first end portion (11) towards the second end portion (12) along the longitudinal direction (X-X) and dividing at least a portion of the housing (10) in an inlet channel (15) and an outlet channel (16) respectively associated to the feed fluid inlet (13) and to the product fluid outlet (14); a diverting channel (40) at the second end portion (12) configured to divert the electrolyzed fluid from the inlet channel (15) to the outlet channel (16), the two or more electrolytic cells (20) being arranged along the inlet channel (15), the outlet channel (16) and the diverting channel (40)
Resumen de: US20260028949A1
The present invention relates, in general, to systems and methods for generating hydrogen from ammonia on-board vehicles, where the produced hydrogen is used as a fuel source for an internal combustion engine. The invention provides an expansion valve configured to maintain ammonia in a gaseous state prior to introduction into a cracking system that comprises a heat-exchange cracking unit and electric cracking unit coupled in series which enables reliable hydrogen generation under varying engine operating conditions.
Resumen de: US20260028934A1
An energy supply system includes an electrolysis system to perform electrolysis on a first source of water, and break the water into hydrogen and oxygen components. The hydrogen and oxygen components are supplied to a power generation system. The power generation system includes a combustor receiving the hydrogen and oxygen components and is operable to combust the hydrogen and oxygen components. The combustor also receives a source of steam. Products of combustion downstream of the combustor pass over a top turbine rotor, driving the top turbine rotor to rotate. A first generator generates electricity from the rotation of the top turbine rotor.
Resumen de: US20260031366A1
A process for producing an ion-conducting membrane comprising a recombination catalyst-containing membrane layer. The membrane layer if fabricated from an ink comprising a stabilised dispersion of recombination catalyst nanoparticles. Also provided are ion-conducting membranes for electrochemical devices, such as fuel cells or water electrolysers, with a recombination catalyst-containing membrane layer comprising dispersed recombination catalyst nanoparticles, a nanoparticle stabilising agent, and an ion-conducting polymer.
Resumen de: US20260031377A1
The present invention relates to a method of supplying electricity to an electrical load including steps of providing an alkaline solution, reacting the alkaline solution with silicon so as to produce hydrogen. processing the hydrogen in a fuel cell to generate electricity, and supplying the electricity from an output of the fuel cell to the electrical load via a suitable electrical interfacing module.
Nº publicación: US20260029198A1 29/01/2026
Solicitante:
ARCELORMITTAL [LU]
ArcelorMittal
Resumen de: US20260029198A1
A method for heating a furnace including radiant tubes and being able to thermally treat a running steel strip including the steps of: i. supplying at least one of the radiant tubes with H2 and O2 such that the H2 and the O2 get combined into heat and steam, ii. recovering the steam from the at least one of the radiant tubes, iii. electrolysing the steam to produce H2 and O2, and iv. supplying at least one of the radiant tubes with the H2 and O2 produced in step iii, such that they get combined into heat and steam.
BOPI
Sede Electrónica
