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1635
resultados
Última actualización
11/03/2026 [07:42:00]
Resultados 25 a 50 de 1635
Resumen de: AU2024265029A1
A system and method for transporting and distributing hydrogen, reducing the risk of hydrogen leakage, maintaining a record of provenance, and measuring and recording its purity level as it flows from source to destination to assure it complies with a predetermined range of values. The system includes a hydrogen delivery line made from metallic or non-metallic pipe that may be placed inside a safety pipe such that a channel is formed between an exterior of the hydrogen delivery line and an interior of the safety pipe. A sweeper gas or liquid may be injected into the channel to purge any hydrogen that might escape from the hydrogen delivery line, and one or more sensors may be used to detect and avoid the presence of an unacceptable level of hydrogen, or to stop the flow of hydrogen and remediate the problem well before a safety or environmental risk can occur.
Resumen de: EP4707429A1
The present application relates to the field of electrolysis hydrogen production technologies, and discloses a water electrolysis hydrogen production system and a method and an apparatus for controlling gas purity in a water electrolysis hydrogen production process, to implement separate control of flow rates at a hydrogen-side inlet and an oxygen-side inlet of an electrolyzer. The water electrolysis hydrogen production system includes an electrolyzer, a hydrogen gas-liquid separation unit, and an oxygen gas-liquid separation unit. A liquid outlet of the hydrogen gas-liquid separation unit is connected to a first pipeline, a liquid outlet of the oxygen gas-liquid separation unit is connected to a second pipeline, the first pipeline and the second pipeline converge and connect to one end of an alkali electrolyte return main pipeline, and the other end of the alkali electrolyte return main pipeline is connected to an oxygen-side pipeline and a hydrogen-side pipeline. The hydrogen-side pipeline is connected to a hydrogen-side alkali electrolyte flow channel inlet of the electrolyzer, and the oxygen-side pipeline is connected to an oxygen-side alkali electrolyte flow channel inlet of the electrolyzer. The hydrogen-side pipeline and the oxygen-side pipeline are respectively provided with a flow rate detection assembly and a flow rate regulation assembly. A hydrogen-side gas outlet of the electrolyzer is connected to the hydrogen gas-liquid separation unit, and an oxygen-side gas o
Resumen de: EP4707232A2
A hydrogen generation system with controlled water distribution is disclosed. The system comprises a reaction chamber containing a hydrogen-producing fuel, a liquid distribution mechanism, and a control system. The liquid distribution mechanism includes a rotating arm with liquid injection ports that move vertically through the fuel chamber. This allows for precise and efficient liquid delivery to unreacted fuel, optimizing hydrogen production. A proprietary fuel blend utilizes chemicals that store significant amounts of hydrogen in a solid-state form. A feature of the device is the arm's controlled vertical movement, achieved through a screw mechanism that adjusts the arm's height as it rotates, creating a spiral liquid distribution pattern. The control system regulates liquid injection rates, arm rotation speed, and vertical movement to optimize hydrogen production based on demand. The system can also operate at low pressures and be scaled to different sizes in a safer, more efficient, on-demand manner.
Resumen de: CN120835942A
An electrochemical cell stack (1) comprising a plurality of electrochemical cells (2) separated from one another by bipolar plates (5) wherein each electrochemical cell (2) consists of two half-cells (3, 4) having a membrane (6) as a common component, which membrane is held by a multi-piece support frame (7), according to the invention, the multi-part support frame (7) consists of two frame elements (16, 17) of different widths, each of which is stacked on one another from belonging to one half-cell (3, 4) and by inserting a plurality of layers of sheet devices (9) overlapping the membrane (6), on the inner side of each frame element (16, 17) facing the interior of the respective half-cell (3, 4), the frame elements (16, 17) are each provided with a seal (14, 15) which contacts the bipolar plate (5), and the two seals (14, 15) which are offset from each other due to different cross-sectional shapes of the frame elements (16, 17) each contact an outer layer (18, 20) of the sheet device (9).
Resumen de: WO2025048510A1
The present invention relates to a separator in which an anode catalyst layer is coated on one surface of a porous substrate, and an electrochemical cell comprising same, the separator allowing ions to smoothly move through pores of the porous substrate and exhibiting low overpotential due to having the anode catalyst layer coated on one surface thereof.
Resumen de: CN120659908A
A hydrogen generating battery includes a pair of input electrode plates, a pair of output electrode plates, an additional X-plate electrode positioned adjacent the pair of output electrode plates, and a plurality of intermediate electrode plates disposed between the pair of input electrode plates and the pair of output electrode plates. The plasma torch is spaced apart from and inductively coupled to the pair of input electrode plates. A pulsed DC voltage is applied to the plasma torch and the X-plate, while a lower pulsed DC voltage is applied to the pair of input and output electrode plates such that hydrogen gas is generated from the aqueous solution in which the battery is immersed.
Resumen de: US20260002270A1
An enclosure adapted for a hydrogen and oxygen generating apparatus arranged in a movable has an interior and an interior surface and an exterior surface whereby the hydrogen and oxygen generating apparatus comprises at least one electrolyser stack adapted for electrolysing water to hydrogen product gas and oxygen product gas and accompanying gas and electrolyte handling equipment. The exterior surface of the enclosure comprises at least a heat insulating, flexible polymer cover element which is attached to a metal frame.
Resumen de: US20260063069A1
A raw material fluid treatment plant is provided with a raw material reaction apparatus for reacting a raw material fluid to form a reaction gas. The raw material reaction apparatus includes preheaters and a reactor. The preheaters are heat exchangers that perform heat exchange between a second heat transfer medium and the raw material fluid to heat the raw material fluid. The reactor is a heat exchanger that performs heat exchange between a first heat transfer medium differing from the second heat transfer medium and the raw material fluid having been heated by the preheaters to heat and react the raw material fluid.
Resumen de: US20260066320A1
A method for generating power or producing hydrogen from a carbon source, the method including a chemical conversion step of making, in a chemical conversion unit, a mixture obtained by mixing a solution containing an intermediate medium with a carbon source to react at a temperature at which chemical exergy of the carbon source exceeds chemical exergy in a reduced state of the intermediate medium to reduce the intermediate medium while oxidizing the carbon source, an electrochemical conversion step of bringing the intermediate medium reduced at the chemical conversion step into contact with an anode of a battery structure in an electrochemical conversion unit including the battery structure, and bringing oxygen or air into contact with a cathode of the battery structure to generate power, or bringing water into contact to produce hydrogen, and a reuse step of returning a solution containing the intermediate medium after the electrochemical conversion step to the mixture, and an energy conversion system.
Resumen de: US20260066650A1
A plant network has an electrolysis plant, a power supply source, and a central supply line connected to a DC voltage output of the power supply source for feeding a direct current into the central supply line. The electrolysis plant is connected to a central DC network for a high voltage via the central supply line. The power supply source has a wind turbine as a power generator and a rectifier with a DC voltage output for the high voltage. An energy storage system can feed a direct current into the central supply line. A DC supply network controls three different DC voltage levels independently, namely, a first DC voltage for charging and discharging an electrical storage battery of the energy storage system, a DC-Bus high voltage on the central supply line, and a DC operating voltage of the electrolysis plant.
Resumen de: US20260062820A1
In a method for connecting a pair of electrolyser stacks with electrolyte, electric current and gas drain piping, each pair of stacks of the electrolyser: through interconnection endplates are supplied with alkaline electrolyte at elevated pressure by common electrolyte supply pipes and further, through the interconnection endplate drain off oxygen gas containing electrolyte, and hydrogen gas containing electrolyte, to common gas separation vessels for oxygen and hydrogen respectively, pull first electrically interconnected current injection electrodes adjacent to interconnection endplates to zero electrical potential through a zero potential conductor, and supply second current injection electrodes placed adjacent to distal endplates with electric current at potentials equally higher and lower respectively than the zero potential at the first electrodes.
Resumen de: AU2024337380A1
An electrolyzer stack in which gas passages (16C, 16D) and thin and long shunt-current reducing liquid passages (16A, 16B) are provided inside a gasket that is a combination of a first and a second gasket part (12A, 12B) for ease of assembly.
Resumen de: US20260062816A1
A method of operating an electrolyzer system includes electrolyzing water into oxygen and inlet hydrogen using a polymer electrolyte cell (PEC) module including PECs, providing the inlet hydrogen to solid oxide electrolyzer cell (SOEC) modules that each include at least one SOEC stack, providing steam to the SOEC modules, and electrolyzing the steam to generate oxygen and a main product stream containing hydrogen.
Resumen de: US20260062823A1
A method of preparing bismuth vanadate particles is described. The bismuth vanadate particles prepared via ultrasonication and hydrothermal treatment exhibit controlled morphology (e.g., octahedral shape) and crystallinity (e.g., tetragonal crystal symmetry). A photoelectrode containing bismuth vanadate particles and a method of using the photoelectrode in a photoelectrochemical cell for water splitting is also provided.
Resumen de: US20260063035A1
A lunar regolith reduction reactor system includes a housing, a crucible, and a pair of electrodes. The housing includes a base structure and a cover structure detachably connected to the base structure, a gas input port to permit input of hydrogen gas into the housing, and a gas output port to permit outgassing of water vapor and gases. The crucible is designed to hold an amount of lunar regolith in the housing. The electrodes are disposed apart from one another and adjacent the crucible, wherein the electrodes are connectable to a power source to generate an electric arc to heat lunar regolith in the crucible and initiate a reduction reaction to separate oxygen gas and reduce separated material into a molten state.
Resumen de: WO2026045877A1
The present application provides an electrolytic cell, an anode catalytic material, a preparation method therefor, and a use thereof. The anode catalytic material in the present application comprises: a substrate, which is an alloy comprising nickel and iron elements; and a nickel-rich oxide layer, which covers the surface of the substrate, wherein the nickel-rich oxide layer comprises nickel oxide and/or nickel hydroxide, and the mass content of nickel element in metal components of the nickel-rich oxide layer is greater than 70%. The anode catalytic material uses a nickel-iron alloy as a substrate, and the addition of iron element can effectively reduce the oxygen evolution overpotential of the substrate material; the nickel-rich oxide layer covering the surface of the substrate can passivate the substrate, and inhibit the dissolution of metal ions, preventing collapse of the skeleton structure of the alloy substrate, thereby maintaining mechanical stability; when the nickel-rich oxide layer is used as an anode, the thickness of the nickel-rich oxide layer does not increase significantly, thus not affecting the catalytic performance thereof; the nickel oxide and/or nickel hydroxide contained in the nickel-rich oxide layer and nickel iron hydroxide which may also be contained therein are also used as active components, thereby further ensuring the catalytic activity of the material.
Resumen de: WO2026045952A1
An aluminum composite material for hydrogen production by hydrolysis, comprising an aluminum-based core and a composite layer formed on the surface of the aluminum-based core. The aluminum-based core comprises, by mass fraction: 90-95% of aluminum and the balance being a magnesium-sodium alloy. The composite layer comprises a carbon-based skeleton attached to the surface of the aluminum-based core and a titanium-iron oxide formed on the carbon-based skeleton. According to the composite material, the aluminum-based core can be prevented from reacting with oxygen to generate an aluminum oxide thin film, thereby increasing the hydrogen yield and hydrogen production rate of the aluminum composite material during hydrogen production. The present invention also relates to a preparation method for and a use of the aluminum composite material for hydrogen production by hydrolysis.
Resumen de: WO2026048903A1
A titanium porous body according to the present invention comprises a powder sintered body and is formed in a sheet shape having a thickness of 200 μm or greater. In the titanium porous body, holes present in a cross-section extending along the thickness direction have an average aspect ratio of 3.2 or higher, the aspect ratio being calculated as a ratio of the thickness-direction length of a hole to the width-direction length of the hole, within a visual field measuring 200 μm × 200 μm in the cross-section.
Resumen de: US20260055519A1
An electrolysis apparatus operation system includes an electrolysis apparatus, a control unit, a target state-of-health value input unit, and a control parameter calculating unit. The electrolysis apparatus has a plurality of electrolytic stacks in which a plurality of electrolytic cells that produce hydrogen by electrolyzing water are stacked. The control unit controls a controlled subject based on a control parameter that affects state-of-health of the controlled subject. The target state-of-health value input unit allows a system user to input a target state-of-health value that is a target value for state-of-health. The control parameter calculating unit calculates a control parameter of the controlled subject based on the target state-of-health value. The controlled subject is the electrolysis apparatus.
Resumen de: DE102024208419A1
Elektrolysesystem zur elektrolytischen Spaltung von Wasser in Wasserstoff und Sauerstoff, mit einer elektrolytischen Zelle (1), die einen Anodenraum (2) und einen Kathodenraum (3) aufweist, die voneinander durch eine semipermeable Barriere getrennt sind, und mit einem Anoden-Wasserkreislauf (4), der über einen Anodenzulauf (5) den Anodenraum (2) mit Wasser versorgt und der über einen Anodenablauf (6) Wasser aus dem Anodenraum (2) aufnimmt, wobei im Anoden-Wasserkreislauf (4) ein Gas-Wasser-Separator (8) und eine Pumpvorrichtung (9) angeordnet sind. Das Wasser aus dem Kathodenraum (3) wird in einem Kathoden-Wasserpfad (14) aufgenommen und in den Anoden-Wasserkreislauf (4) einspeist, wobei im Kathoden-Wasserpfad (14) ein zweiter Gas-Wasser-Separator (17) angeordnet ist und im Anoden-Wasserkreislauf (4) ein Ionentauscher (10) zum Entfernen von Metall-Ionen. Im Kathoden-Wasserpfad (14) ist ein Radikalfänger (20) angeordnet.
Resumen de: WO2026046719A1
The invention relates to a method for catalytically producing methanol from biomass by means of electric current, wherein in a first stage, O2 and H2 are produced from water by electrolysis, wherein in a second stage, the biomass is converted into formic acid by means of an aqueous solution of a first catalyst in a first reaction vessel (R1), wherein the first catalyst reduced in the catalytic reaction is converted back into its initial state by oxidation, wherein for the oxidation thereof the oxygen produced in the first stage is introduced into the solution in the first reaction vessel (R1), wherein the solution with the formic acid resulting therein is transferred to a second reaction vessel (R2), wherein methanol is added to the solution during transfer into the second reaction vessel or in the second reaction vessel (R2), wherein the second reaction vessel (R2) is designed as a rectification column which optionally contains an acidic second catalyst which catalyses esterification of the methanol with the formic acid, wherein the second catalyst is present in solid form as a bed or in liquid form as an acid, wherein a reactive distillation is carried out in the second reaction vessel (R2) and the resulting methyl formate is transferred into a tank (T), wherein in a third stage, the methyl formate is evaporated from the tank (T) and is transferred to a third reaction vessel (R3) and there is hydrogenated with the H2 from the first stage by means of a third catalyst which c
Resumen de: WO2026047670A1
The invention provides Pt 1-99- Ir1-99-Mo-99 aerogel useful as a bifunctional electrocatalyst in a unified regenerative fuel cell. Also provided is a unified regenerative fuel cell and a method of storing and producing energy with the aid of a liquid hydrogen carrier (LHC) as a fuel material in a unified regenerative fuel cell.
Resumen de: WO2026046825A1
The invention relates to a method for ammonia synthesis, comprising: providing hydrogen and nitrogen; supplying the hydrogen and the nitrogen to an ammonia synthesis circuit (20) comprising an ammonia converter (3) in which ammonia is catalytically synthesized, wherein a reactant gas mixture is supplied to the ammonia converter (4) and a product gas mixture is discharged from the ammonia converter (6); a circulator (1) which supplies a reactant gas mixture containing the hydrogen and the nitrogen to the ammonia converter (3); and a separator (11) in which ammonia is separated from a product gas mixture of the ammonia converter (4); wherein the ammonia synthesis circuit (20) is operated in a full-load operation in which a nominal flow rate of the hydrogen is provided to the ammonia synthesis circuit (20), and wherein the ammonia synthesis circuit (20) is either transferred from the full-load operation to a partial-load operation or from a partial-load operation to the full-load operation, wherein a flow rate of hydrogen is provided to the ammonia synthesis circuit (20) in the partial-load operation which is lower than the nominal flow rate, wherein, in the partial-load operation, a bypass gas flow branches off from the reactant gas mixture between the circulator (1) and the ammonia converter (4) and is supplied to the product gas mixture between the ammonia converter (4) and the separator (11).
Resumen de: WO2026047273A1
An object of the invention is a solid oxide steam electrolysis system comprising a steam feed (1), a gas recycle device (10) that supplies hydrogen from feed-in line (51) to the steam feed (1), and flow rate of the hydrogen from the gas recycle device (10) is being configured to control the partial pressure of hydrogen in the inlet of the cathode compartment from fuel gas supply structure (22) of the solid oxide electrolysis stack structure (30). A first heat management system (20) is being configured to heat the steam-hydrogen gas mixture in line (21) to 400 - 900 °C and is being configured to supply the gas from fuel gas supply structure (22) to the cathode compartment of the solid oxide electrolysis stack structure (30) to reduce steam into hydrogen and oxygen ions by a first controlled current from a power source (70). In the system the hydrogen-steam mixture in product gas line (23) being fed to the first heat management system (20) transferring energy to the inlet gas mixture from line (21), and the hydrogen-steam mixture from the first heat management system (20) in fluid line (24) being fed through a second heat management system (40) where the gas mixture is partly condensing and producing two-phase hydrogen-water-steam mixture to line (41). The steam flow rate in fuel gas supply structure (22) to the cathode compartment of the solid oxide electrolysis stack structure (30) is being controlled based on the first controlled current of a power supply (70). The steam fl
Nº publicación: WO2026047671A1 05/03/2026
Solicitante:
QUINIX POWER LTD [IL]
QUINIX POWER LTD
Resumen de: WO2026047671A1
The invention provides a method of storing and producing energy with the aid of a liquid hydrogen carrier (LHC) as a fuel material in a unified regenerative fuel cell having bifunctional electrocatalyst on its oxygen electrode. A fuel cell system comprising the unified regenerative fuel cell and a fuel supply and regeneration installation for the LHC is also provided.
BOPI
Sede Electrónica
