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1060
resultados
Última actualización
24/10/2026 [07:27:00]
Resultados 100 a 125 de 1060
Resumen de: WO2026211917A1
The present invention addresses the problem of providing: a gas diffusion substrate used for electrolyzing carbon dioxide gas, the gas diffusion substrate suppressing the generation of a side reaction product (H2) over time (the ratio (C2H4/H2) of a main reaction product to the side reaction product is maintained over a long period of time); a method for manufacturing the same; an electrolytic cell electrode including the gas diffusion substrate; and a carbon dioxide electrolysis device including the electrolytic cell electrode. Provided are: a gas diffusion substrate which is used for electrolyzing carbon dioxide gas and is obtained by laminating a water-repellent porous layer (MPL) on at least one surface of a porous carbon electrode substrate (GDL), the gas diffusion substrate having a gas permeability in the through-plane direction from the GDL side of 1.0-3.0 mL/cm2·hr·Pa and a liquid permeation resistance from the MPL side of 180 min or more; a method for manufacturing the same; an electrolytic cell electrode including the gas diffusion substrate; and a carbon dioxide electrolysis device including the electrode for an electrolytic cell.
Resumen de: WO2026210344A1
The present invention relates to a system (100) for the production of hydrogen by liquid-phase water hydrolysis at temperatures even exceeding 100 °C and to its use in a hard-to-abate plant, namely a cement, steel, chemical, or petrochemical plant, or in a geothermal or solar plant, by utilizing the waste heat from said plant. The present invention also relates to a process for the production of hydrogen by water electrolysis and to a plant configured to use the waste heat from said plant as heating means of a system (100) for the production of hydrogen by electrolysis of water.
Resumen de: WO2026207618A1
An electrolyzer system and associated design and optimization methods are disclosed for producing hydrogen gas from an impure wastewater feedstock. Electrode temperature mapping and analysis of thermoelectric phenomena, including Joule/Thomson effects in homogeneous conductive electrodes such as 316L stainless steel, are used to identify localized oxidation and reduction regions and correlate them with gas bubble nucleation and detachment. These findings, together with electrode material characteristics and operating conditions, are incorporated into computational fluid dynamics modeling of two-phase gas–liquid flow to predict electrode and flow-field configurations that improve bubble removal, reduce overpotential and resistive losses, and enhance heat and mass transfer. In some embodiments, optimized electrodes include microchannel networks configured to direct electrolyte toward preferential reaction sites and promote gas disengagement. The resulting systems can achieve energy consumption and hydrogen production rates using contaminated wastewater comparable to systems operating on purified, demineralized water.
Resumen de: US20260308789A1
An electrolyzer producing hydrogen. According to an aspect, the electrolyzer contains a stack producing a first fluid containing oxygen and a second fluid containing hydrogen upon application of voltage across the stack. A first pipe carries the first fluid away from the stack. A sensor is operable to send vibration signals representing a measure of vibrations of the first pipe when carrying the first fluid away from the stack, and a detection system operates to detect damage to one or more components within the stack based on the vibration signals.
Resumen de: WO2026210989A1
A water electrolysis system (50) comprises: a water electrolysis device (11); a first heat exchanger (16b) that cools hydrogen generated in the water electrolysis device (11) and performs dehumidification; a second heat exchanger (51a) that exchanges heat between the hydrogen after dehumidification in the first heat exchanger (16b) and hydrogen reaching the first heat exchanger (16b) from the water electrolysis device (11); and a catalyst (51b) that removes oxygen contained in the hydrogen, which has increased in temperature due to the heat exchange in the second heat exchanger (51a).
Resumen de: WO2026211543A1
A management device (7) comprises: a unit price determination unit (11) that determines whether or not a unit price of electric power is at least a prescribed value; a control unit (13) that outputs a control command for controlling an electrolysis device (3) which generates hydrogen gas and oxygen gas by operating on the basis of electric power, and a hydrogen storage and supply device (4) which is capable of storing and supplying hydrogen gas; and a boiler operation determination unit (12) that determines whether or not it is necessary to operate a hydrogen boiler (5) that burns hydrogen gas and oxygen gas to heat a water tube and generate steam. When it is determined that a first condition is satisfied, the first condition being that the unit price is less than the prescribed value and operation of the hydrogen boiler (5) is unnecessary, the control unit (13) outputs the control command so as to bring about a first state in which a portion of the hydrogen gas generated in the electrolysis device (3) is supplied to hydrogen-using equipment (6) and a portion of the hydrogen gas generated in the electrolysis device (3) is stored in the hydrogen storage and supply device (4). When it is determined that a second condition is satisfied, the second condition being that the unit price is equal to or greater than the prescribed value and operation of the hydrogen boiler (5) is necessary, the control unit (13) outputs the control command so as to bring about a second state in which
Resumen de: WO2026211560A1
Provided is a leakage detection method for an electrolytic solution from a water electrolysis device. The water electrolysis device includes an electrolytic cell for storing the electrolytic solution, a gas-liquid separator to which a gas generated in the electrolytic cell is guided, and a circulation line for circulating the electrolytic solution between the electrolytic cell and the gas-liquid separator. The method comprises: a step for acquiring an integrated estimated value, which is an integrated value from a reference time point of an estimated value of a supply amount of pure water to the electrolytic solution; a step for acquiring an integrated measured value, which is an integrated value from the reference time point of a measured value of the supply amount of pure water to the electrolytic solution; and a leakage detection step for detecting leakage of the electrolytic solution from the water electrolysis device on the basis of a comparison between a threshold value determined on the basis of the integrated estimated value and the integrated measured value.
Resumen de: AU2025375145A1
Provided is a hydrogen production control system for producing hydrogen with different environmental impacts. A hydrogen production control system 20 causes a hydrogen production apparatus 10 to produce hydrogen. The hydrogen production apparatus inputs, to a water electrolysis device 13, a power amount from a renewable energy generation device 12 or a power amount from a power grid 30, and causes the water electrolysis device to electrolyze water to thereby produce hydrogen with different environmental impacts. The hydrogen production apparatus comprises: a renewable energy variation amount prediction unit which predicts variation in the power amount from the renewable energy power generation device; and a type-specific hydrogen production planning unit which creates a type-specific hydrogen production plan for producing hydrogen with different environmental impacts by the hydrogen production apparatus, on the basis of a prediction result from the renewable energy variation amount prediction unit. The type-specific hydrogen production planning unit creates a production plan for producing a first type of hydrogen with a small environmental impact among hydrogen with different environmental impacts by using a power amount in a first case where the power amount from the renewable energy generation device is predicted to be supplied stably.
Resumen de: US20260307031A1
A hydrogen generation device includes a hydrogen generator body, a secondary coil, an eddy current generating unit, and at least one support member. The hydrogen generator body includes a chamber. One end part of the hydrogen generator body is provided with a first inlet for allowing a first substance to enter the chamber and a second inlet for allowing a second substance to enter the chamber. The other end part of the hydrogen generator body is provided with an outlet and an exhaust port. The secondary coil is wound around the exterior of the hydrogen generator body. The eddy current generating unit is disposed in the chamber at a position corresponding to the secondary coil. The support member has plural holes and is disposed in the chamber. The eddy current generating unit penetrates through the support member and is arranged in the chamber by the support member.
Resumen de: AU2025244398A1
The disclosure presents an integrated system consisting of a wastewater production unit, e- methane reactor, an electrolyzer for producing hydrogen, a cryogenic separation unit and an ammonia production unit, where e-methane is produced by reaction of carbon dioxide obtained from direct air capture/biogenic CCh/captured industrial CO2 emissions/oxidized solid carbon, and from CO2 separated from biogas obtained from wastewater treatment, and hydrogen gas from electrolysis of water. The hydrogen gas is also reacted with nitrogen obtained from the cryogenic unit for the synthesis of ammonia, where heat from ammonia synthesis is transferred to e-methane reactor for energy efficiency. By integrating these units and reactors, the disclosure provides a system for efficient use of energy and by-products.
Resumen de: AU2025246818A1
An electrochemical cell according to the present invention comprises an anode part, a cathode part, and an electrolyte membrane. The anode part has a first flow field that forms a space through which a first fluid including water flows so as to contact a first surface of the electrolyte membrane. The cathode part has a second flow field that forms a space through which a second fluid including a hydrogenated substance flows so as to contact a second surface of the electrolyte membrane. The second flow field comprises a porous layer formed of a conductive material, and the compressive strain of the porous layer in the cathode part is 0.3-0.8.
Resumen de: AU2025243755A1
The purpose of the present invention is to improve the energy efficiency of a hydrogen production system as a whole. A hydrogen production system (1) produces hydrogen. The hydrogen production system (1) is provided with: an SOEC (10) that is supplied with an oxidizing gas and steam and generates hydrogen by electrolyzing the supplied steam; a steam generation unit (20) that generates the steam supplied to the SOEC (10) by heating feed water; and a power supply device (40) that supplies power to the SOEC (10) so that the SOEC (10) operates at an operation point exceeding a thermal neutral point. The steam generation unit (20) uses heat generated in the SOEC (10) to heat the feed water, and generates the steam without using heat supplied from outside of the hydrogen production system (1).
Resumen de: WO2026208386A1
The present application provides a membrane electrode assembly and a preparation method therefor, an electrolytic cell, and a system for hydrogen production by water electrolysis. The membrane electrode assembly comprises a support layer and a membrane electrode which are stacked, wherein the material of the support layer is a porous metal mesh, the porous metal mesh is formed by interweaving metal wires, and the wire diameter of the metal wires is 0.5-5.5 mm. The support layer is used for supporting the membrane electrode, can provide additional mechanical support for the membrane electrode, and reduces deformation of the membrane electrode under pressure. In addition, the support layer can effectively disperse external pressure, reduce local stress concentration in the membrane electrode, and reduce the risk of damage to the membrane electrode.
Resumen de: AU2025258654A1
This water electrolysis system uses an alkaline aqueous solution as an electrolytic solution, and is provided with: a cell stack to which the electrolytic solution is supplied; a storage unit in which the electrolytic solution is stored; an annular flow path that connects the storage unit and the cell stack; a pump unit that is provided on the annular flow path; a scale removal unit that is provided on the annular flow path and is capable of removing a scale contained in the electrolytic solution; and a scale component removal unit that is capable of removing scale components dissolved in the electrolytic solution at a saturation concentration or less.
Resumen de: WO2026209255A1
The present invention relates to a control method for adjusting the utilisation of an electrolysis system (1) by means of a central system controller (5), wherein the system controller (5) is designed such that at a time t0, a maximum available capacity Lplant of the electrolysis system (1) can be set, within the physical limits Lmin to Lmax of the electrolysis system (1), as a first target value for first discrete time periods of a time interval t1 to t2, and such that at time t0, the utilisation of the electrolysis system (1) Splant can be set within the maximum available capacity Lplant, as a second target value for second discrete time periods of a time interval ta to t2 wherein t2 > t1 ≥ t0, and wherein an electrical power or an amount of hydrogen is specified to the system controller (5) as the first and the second target value.
Resumen de: US20260308295A1
0000 Provided are: a polymerizable composition containing a quaternary ammonium salt represented by formula (I), a polymerizable monomer, a linear or branched C1-4 alkylene glycol, and at least one hydroxyl group-containing compound selected from the group consisting of a C4-15 primary alcohol, a C4-15 secondary alcohol, and a C5-15 diol which has a hydroxy group bonded to a secondary carbon atom; an ion exchange resin; an ion exchange membrane; a membrane electrode assembly; and a hydrogen production device.
Resumen de: US20260308787A1
0000 An electrolyzer for generating hydrogen from water including electrodes and an electrically non-conductive separator layer extending in a substantially vertical plane including macroscopic through holes. The electrodes themselves include an anode and a cathode. The electrodes are each disposed at opposite faces of the separator. The electrodes each comprise a plurality fins. Each fin of the plurality of fins projects outwardly from the layer for restricting the upward movement of electrode generated bubbles to a bubble stream that is substantially parallel to the vertical plane.
Resumen de: US20260309325A1
0000 An ammonia cracking system includes a first line that is provided with ammonia, a cracker that is provided in the first line and that generates cracked gas containing hydrogen from the ammonia, and a second line that is fluidly connected to the first line at a position downstream of the cracker, the second line supplying liquid ammonia to the cracked gas flowing through the first line to generate mixed gas.
Resumen de: US20260307985A1
An ammonia cracking reactor including one or more reaction tubes containing ammonia cracking catalyst; one or more fuel combustion elements for combusting fuel in a fuel combustion zone surrounding the one or more reaction tubes to provide heat energy to support the cracking of ammonia in the one or more reaction tubes; and one or more electrically powered heating elements to provide heat energy to support the cracking of ammonia in the one or more reaction tubes, wherein the one or more fuel combustion elements and the one or more electrically powered heating elements are provided in the same reactor for supporting the cracking of ammonia in the same reaction tubes and together form an electrically assisted fuel burning ammonia cracking reactor.
Resumen de: WO2026208158A1
An off-grid offshore energy island system for hydrogen production, comprising wind turbine modules (1), a semi-submersible anti‑motion platform (2), and an energy storage module (3), a seawater desalination module (4), a water electrolysis hydrogen production module (5), hydrogen storage modules (6), a hydrogen liquefaction module (7), and an intelligent control module (8) which are arranged on the semi-submersible anti‑motion platform (2). The system realizes large-scale development of deep-sea wind energy by means of the floating wind turbine modules (1). The design of the semi-submersible anti‑motion platform (2) effectively solves the problem of structural stability under complex marine conditions in the deep sea, and significantly improves wind power capture efficiency in cooperation with the multi‑wind turbine parallel operation technology. An energy-resource synergistic conversion system is achieved. A full-chain coupling system of "wind power, energy storage, freshwater, green hydrogen, and liquid hydrogen" is pioneered, the electric energy conversion efficiency is improved, the intelligent control module (8) realizes dynamic matching of loads of various modules under wind power fluctuations, the overall energy utilization efficiency of the system is greatly improved, and zero-consumption water resource recycling is achieved. Further comprised is an operation control method.
Resumen de: US20260307034A1
0000 A hydrogen production device includes a reactor that produces hydrogen by thermally decomposing a hydrocarbon gas, which is a feed gas, using a catalyst including fine metallic particles. The feed gas is introduced into the reactor through a lower portion of the reactor such that a fluidized bed of the catalyst is formed inside the reactor. The reactor is configured to be supplied with activated catalyst.
Resumen de: US20260312075A1
0000 Provided is an electrochemical oxygen reduction catalyst in which a decrease in catalytic activity is suppressed. The present disclosure relates to an electrochemical oxygen reduction catalyst, a manufacturing method thereof, and a fuel cell and a water electrolysis system using the electrochemical oxygen reduction catalyst. The electrochemical oxygen reduction catalyst comprises a catalyst metal having an oxygen reduction activity and an additive that modifies the catalyst metal. The additive contains a nitrogen-containing cyclic organic compound having a triazine skeleton, a polymer thereof, or a cation thereof. In the nitrogen-containing cyclic organic compound, the polymer thereof, or the cation thereof, a total number of functional groups that substitute hydrogen atoms of melamine and functional groups that substitute amino groups of melamine is 3.79 or more and 5.51 or less per molecule of the nitrogen-containing cyclic organic compound.
Resumen de: WO2026211281A1
The present invention provides a steam electrolysis apparatus capable of heating a cell stack as uniformly as possible. The steam electrolysis apparatus comprises: a cell stack group (101G) including a plurality of cell stacks arranged side by side, each cell stack including electrolysis cells electrically connected via interconnectors, each electrolysis cell comprising a hydrogen electrode, an electrolyte, and an oxygen electrode; and a heating tube (3) provided outside the cell stack group (101G) and through which a heating medium flows. The heating tube (3) is provided at a position spaced apart from the cell stack group (101G) by a predetermined distance. The heating tube (3) is provided helically around the cell stack group (101G).
Resumen de: WO2026211776A1
The purpose of the present disclosure is to suppress the occurrence of cracks in an air electrode (29). An electrochemical cell (20) comprises a fuel electrode (21), a solid electrolyte layer (24), a reaction prevention layer (25), an air electrode (29), and interconnectors (AC1, FC1). The air electrode (29) has a first region (R1) having a contact region (S1) in contact with the interconnector (AC1), and a second region (R2) having a non-contact region (S2) not in contact with the interconnector (AC1). The content of an accessory component in a first volume of the first region (R1) of the air electrode (29) is greater than the content of the accessory component in a second volume of the second region (R2) of the air electrode (29).
Nº publicación: WO2026211779A1 08/10/2026
Solicitante:
NITERRA CO LTD [JP]
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Resumen de: WO2026211779A1
The purpose of the present disclosure is to suppress the occurrence of cracks in an air electrode (29). An electrochemical cell (20) has a fuel electrode (21), a solid electrolyte layer (24), a reaction prevention layer (25), the air electrode (29), and interconnectors (AC1, FC1). The air electrode (29) has a first region (R1) having a contact region (S1) that is in contact with the interconnector (AC1), and a second region (R2) having a non-contact region (S2) that is not in contact with the interconnector (AC1). The included percentage of an auxiliary component in a first volume of the first region (R1) in the air electrode (29) is smaller than the included percentage of the auxiliary component in a second volume of the second region (R2) in the air electrode (29).
BOPI
Sede Electrónica
