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316
resultados
Última actualización
04/09/2025 [07:00:00]
Resumen de: EP4610397A1
The in-vehicle hydrogen generation unit represents a hydrogen production system designed specifically for Fuel Cell Electric Vehicles (FCEVs), marking a significant leap in sustainable transportation. During the electrolysis process, the byproduct oxygen is emitted into the atmosphere. Furthermore, the byproduct water generated during power generation using hydrogen is efficiently recycled back into the electrolysis system, creating a closed-loop and resource-efficient cycle. Notably, the electrolysis unit incorporates an integrated cooling system to maintain optimal operating temperatures during the electrolysis reaction.
Resumen de: CN120202324A
The invention relates to a stack module having at least one solid oxide electrolysis stack comprising a plurality of stacked solid oxide electrolysis cells, in which the stack module comprises two gas inlet connections and two gas outlet connections. According to the invention, at least one solid oxide electrolysis stack is encapsulated in a metal container, with two gas inlet connections and two gas outlet connections connected to the metal container. The invention further relates to a solid oxide electrolyzer having at least one stacked module and to a method for replacing a stacked module of a solid oxide electrolyzer.
Resumen de: EP4610400A1
A serially connected stack group is configured by serially connecting a plurality of water electrolysis stacks and at least one overcurrent interruption means, a series-parallel stack unit is configured by parallelly connecting at least three serially connected stack groups, and a water electrolysis stack group configured by serially connecting a plurality of the series-parallel stack units, is connected to a DC power supply.
Resumen de: WO2024137217A1
A new multilayer ion-exchange membrane comprising an ion-exchange membrane layer, a catalyst layer coated on a first surface of the ion exchange membrane, a first polyelectrolyte multilayer coated on the catalyst layer, and optionally a second polyelectrolyte multilayer coated on a second surface of the ion-exchange membrane for electrolysis applications has been developed.
Resumen de: CN120202324A
The invention relates to a stack module having at least one solid oxide electrolysis stack comprising a plurality of stacked solid oxide electrolysis cells, in which the stack module comprises two gas inlet connections and two gas outlet connections. According to the invention, at least one solid oxide electrolysis stack is encapsulated in a metal container, with two gas inlet connections and two gas outlet connections connected to the metal container. The invention further relates to a solid oxide electrolyzer having at least one stacked module and to a method for replacing a stacked module of a solid oxide electrolyzer.
Resumen de: AU2024211141A1
The invention provides an electrolyser system (10) comprising a heat storage unit (14) and an electrolyser (16). The heat storage unit (14) comprises at least one heat source infeed. The electrolyser (16) comprises at least one electrolyser cell (20), a steam inlet and at least one off-gas outlet. The off-gas outlet is connected to the heat source infeed to heat the heat storage unit (14). The heat storage unit (14) is configured to use its stored heat to produce steam for feeding into the steam inlet and for generating electrical power, either one at a time or both at the same time. The invention also provides a system comprising an intermittent or variable electricity source (12) and an electrolyser system (10) as defined above. The intermittent or variable electricity source (12) can be configured to power the electrolyser (16) and to heat the heat storage unit (14) via a heating element, either both at the same time or individually.
Resumen de: WO2024257430A1
The present invention reduces unburned ammonia when ammonia is used as fuel. A combustor (10) comprises: a burner (11) that injects fuel containing ammonia into a combustion space (S); and a refractory material (12) that defines at least a portion of the combustion space (S). The refractory material (12) blocks passage of combustion gas, and the refractory material (12) contains a catalyst (C), which decomposes ammonia into hydrogen and nitrogen, on a surface (1b) that defines at least a portion of the combustion space (S).
Resumen de: US2025270722A1
Methods are for storing electricity and producing liquefied natural gas (LNG) or synthetic natural (SNG) and using carbon dioxide and for producing electricity, natural gas (NG) or SNG. The methods involve, starting from a water flow, producing an oxygen gas flow and a hydrogen gas flow by electrolysis in an electrolytic cell. A first hydrogen gas flow portion and a second hydrogen gas flow portion are obtained. The first hydrogen gas flow portion is allocated to a methanation step in the presence of carbon dioxide gas. A condensed recirculation water vapor flow is obtained to be allocated to the methanation step and performing methanation. The second hydrogen gas flow portion is allocated to a cooling and liquefaction step. A liquid hydrogen flow is obtained, which is stored in a liquid hydrogen tank.
Resumen de: US2025270123A1
A process for treating PFAS containing waste materials comprising vaporizing the PFAS containing waste materials during a reaction with fuel, oxygen and water, and then oxidizing the gaseous reaction product of those materials along with fuel, oxygen and water to break the fluorine bonds and oxidize the remaining components to carbon dioxide and water. In one embodiment the process further comprises the steps of electrolyzing the water exiting the process to produce hydrogen and oxygen, purifying both the hydrogen and oxygen streams, and then feeding the purified hydrogen and oxygen to hydrogen fuel cells to generate power.
Resumen de: US2025270124A1
A process for treating waste materials and generating electrical power from simultaneously comprising reacting the waste materials during a reaction with fuel, oxygen and water, and then oxidizing the gaseous reaction product of those materials along with fuel, oxygen and water. In one embodiment the process further comprises the steps of electrolyzing the water exiting the process to produce hydrogen and oxygen, purifying both the hydrogen and oxygen streams, and then feeding the purified hydrogen and oxygen to hydrogen fuel cells to generate power.
Resumen de: US2025270710A1
A water electrolysis system includes: a water electrolysis device for electrolyzing water; a gas-liquid separator for performing gas-liquid separation of a mixed fluid of hydrogen gas and water, the mixed fluid being led out from the water electrolysis device; a dehumidifier for dehumidifying the hydrogen gas separated from the mixed fluid by the gas-liquid separator; a delivery path for delivering the hydrogen gas dehumidified by the dehumidifier; a humidifier for humidifying the hydrogen gas delivered through the delivery path; and a compression device for compressing the hydrogen gas humidified by the humidifier.
Resumen de: US2025270721A1
The invention provides a high-capacity, dry-charged, ready-for-instant-activation-by-adding-water, recyclable and safe electrochemical device and a method for producing hydrogen and electrical energy on demand, based on electrochemical interactions of magnesium, water and sulfuric acid, with an automatic control of the electrolyte's temperature, acidity and level inside the device.
Resumen de: WO2025176414A1
The invention relates to a method for operating an electrolysis plant (1, 20) comprising an electrolyzer (11) for generating hydrogen (H2) and oxygen (O2) as product gases. Water is supplied as a reactant and is split into hydrogen (H2) and oxygen (O2) on a proton-conducting membrane (21) made of a fluorine-free polymer (24), said polymer (24) comprising a non-functional polymer material having a functional hydrophilic group, wherein a product gas flow (5) is formed in a phase mixture comprising water (H2O) and a respective product gas, and a product gas flow is fed to a gas separator (3, 13) connected downstream of the electrolyzer (11). The release of an ionic decomposition product of the functional hydrophilic group of the membrane (21) is determined over the operating time, the time curve of the concentration of said decomposition product is determined, and a measurement of the operational degradation of the proton-conducting membrane (21) as a result of a release of the ionic decomposition product of the hydrophilic group is determined. The invention additionally relates to a corresponding electrolysis plant (1, 20) and to a measuring system for carrying out the method.
Resumen de: AU2025217260A1
Embodiments of the invention relate to systems and methods for producing hydrogen gas and/or liquid fuels using electrolysis. Embodiments of the invention relate to systems and methods for producing hydrogen gas and/or liquid fuels using electrolysis. ug u g m b o d i m e n t s o f t h e i n v e n t i o n r e l a t e t o s y s t e m s a n d m e t h o d s f o r p r o d u c i n g h y d r o g e n g a s a n d o r l i q u i d f u e l s u s i n g e l e c t r o l y s i s
Resumen de: WO2025176298A1
Present invention relates to a method for the synthesis of ammonia, where a hydrogen (1) from an electrolyser (G) and a nitrogen (2) from a nitrogen production unit (D) are fed to a nitrogen-hydrogen mixture compression unit (A) and from there said mixture (3) is fed to an ammonia synthesis unit (B). Heat from steam-hydrogen steam from a electrolyser (G), heat generated during compression of the nitrogen-hydrogen mixture in the compressor stages of the nitrogen-hydrogen mixture compression unit, and heat released during the synthesis reaction in the ammonia synthesis unit, is used to generate steam for an electrolysis in the electrolyser. Liquid ammonia is separated from the circulation gas entering the separation unit from the steam generation unit using condensation at temperatures at an ambient environment temperature.
Resumen de: US2025273961A1
A carbon-free energy supply system generates hydrogen from electricity generated by a floating offshore photovoltaic power generation plant, synthesizes energy carriers using the hydrogen as a raw material, stores the energy carriers, converts the energy carriers into a predetermined energy form to supply the energy to each of the supply destination facilities. The floating offshore plant is composed of multiple photovoltaic panels, each of which is substantially hexagonal in plan view, by connecting the photovoltaic panels in a honeycomb structure in plan view. Each photovoltaic panel functions as a floating body, panel housings of the adjacent photovoltaic panels are capable of swinging relative to each other in a vertical direction, and each photovoltaic panel can be submerged and floated to a predetermined depth by pouring water into and draining water from the panel housing.
Resumen de: US2025270117A1
A water processing system includes an ultrafiltration membrane device (UF membrane device), a reverse osmosis membrane device (RO membrane device), an electric deionization device (EDI device), and an information processing device (edge computer). The information processing device controls operations of the ultrafiltration membrane device, the reverse osmosis membrane device, and the electric deionization device based on information on a water electrolysis device that obtains hydrogen by subjecting water to electrolysis. Water that is processed by the electric deionization device is supplied to the water electrolysis device. The water electrolysis device is able to obtain hydrogen by subjecting supplied water to electrolysis.
Resumen de: WO2025178748A1
A system and a method are disclosed. The system includes a plurality of reversible energy conversion devices, a cryotank configured to store a liquefied fuel comprising hydrogen therein, a liquefier, and a fueling station for hydrogen-based vehicles. The cryotank, the liquefier, the plurality of reversible energy conversion devices, and the fueling station are fluidly connected. Each reversible energy conversion devices is individually controlled and is configured to reversibly convert hydrogen gas into electricity and convert electricity to hydrogen gas. The system also includes at least one interconnect configured to be connected with to a power grid, a data center, or an energy storage.
Resumen de: WO2025175829A1
Disclosed in the present invention is a system for preparing a hydrogen and oxygen mixed combustible gas from water, comprising a water tank, a first storage tank, a second storage tank and an electrochemical reactor. The water tank is connected to a feeding port of the electrochemical reactor via a water pipe. The electrochemical reactor is provided with a first gas outlet and a second gas outlet, the first gas outlet being connected to the first storage tank via a pipe, and the second gas outlet being connected to the second storage tank via a pipe. The first storage tank and the second storage tank are separately connected to a main discharge pipe via pipes, and a discharge port of the main discharge pipe is connected to a fuel gas storage tank. The electrochemical reactor is connected to a control apparatus. The present invention has the beneficial effects of effectively reduced production cost, capability of having the properties of combustibility, high calorific value, combustibility in an oxygen-deficient state and the like, and no pollution after combustion such that the hydrogen and oxygen mixed combustible gas is a novel efficient and environment-friendly clean energy.
Resumen de: WO2025175519A1
Provided in the present application are a two-dimensional 1T-phase molybdenum disulfide nano material, a preparation method therefor, and the use thereof. The two-dimensional 1T-phase molybdenum disulfide nano material satisfies the following conditions: the monolayer ratio of the molybdenum disulfide is 97% or above, the content of the 1T-phase molybdenum disulfide represented by X-ray photoelectron spectroscopy is 90% or above, and the surface has defects. The monolayer ratio of the two-dimensional molybdenum disulfide nano material being 97% or above indicates that the proportion of monolayer molybdenum disulfide nanosheets in the nano material is very high; the mass content of the 1T-phase molybdenum disulfide being 90% or above indicates that the nano material has good metallicity; and meanwhile, the presence of defects on the surface of the nano material indicates that the nano material has good dispersibility in solvents and also has good electrocatalytic performance, especially having excellent electrocatalytic hydrogen evolution performance under an industrial current density; the catalytic performance of the nano material is better than that of commercial Pt/C and even can be kept stable for 100 h without deterioration; thus, the nano material is one of the most superior non-precious-metal hydrogen evolution catalysts at present.
Resumen de: US2025270461A1
A process for producing syngas with a H2/CO ratio of from 0.5 to 3.5, comprising:a) generating steam by burning hydrogen and oxygen in the presence of steam in a H2 burner,b) quenching the effluents from step a);c) conducting an electrolysis on steam from step b) in a solid oxide electrolytic cell (SOEC) thereby obtaining hydrogen and oxygen,d) cooling wet hydrogen gas coming from step c) and removing water by condensation;e) carrying out a reverse water gas shift reaction with hydrogen gas coming from step d) with CO2, coming from an external source, thereby obtaining syn gas;f) cooling wet syngas coming from step e) and removing water by condensation thereby obtaining dry syngas.
Resumen de: US2025270717A1
Disclosed herein is a method for producing a platinum (Pt) decorated single-layer transition metal dichalcogenide (TMD) composite. The method includes steps of, (a) mixing single-layer TMD nanosheets with a reducing agent, K2PtCl4, and water to form a mixture, wherein the reducing agent and the K2PtCl4 are present in a molar ratio of 3:2 in the mixture; and (b) irradiating the mixture of step (a) for about 0.1-2 hrs to allow the growth of Pt nanoparticles on the single-layer TMD nanosheets thereby forming the Pt decorated single-layer TMD composite. Also disclosed herein is a method of producing hydrogen from an aqueous solution. The method includes electrolyzing the aqueous solution in an electrochemical cell characterizing in having an electrode made from the present Pt decorated single-layer TMD composite.
Resumen de: US2025270723A1
The invention relates to an electrolyser for generating hydrogen (H2) and oxygen (O2) as product gases, said electrolyser including an electrolysis module and a gas separator which is designed for phase separation of the product gas from water, the electrolysis module being connected to the gas separator via a product flow line for the product gas, and a return line, which connects the gas separator to the electrolysis module, being provided for the separated water. The gas separator is designed and positioned at a height difference (Δh) above the electrolysis module in such a way that, in the event of a standstill, the electrolysis module can be automatically flooded with water, driven solely by the height difference (Δh). The invention also relates to a method for operating an electrolyser including an electrolysis module, wherein, in a standstill mode, the electrolysis current is stopped, and a safety deactivation is initiated.
Resumen de: US2025270151A1
A plant, such as a hydrocarbon plant, or synfuels plant, is provided, with effective use of various streams, in particular carbon dioxide and hydrogen. A method for producing a product stream, such as a hydrocarbon product stream, is also provided. The plant and method of the present invention provide overall better utilization of carbon dioxide and hydrogen, while avoiding build-up of inert components.
Resumen de: EP4606931A1
The present disclosure relates to a hydrogen production control system and method, and a storage medium. The hydrogen production control system includes a safety controller, a first valve and a second valve respectively connected to the safety controller, a hydrogen-production controller, a third valve and a fourth valve respectively connected to the hydrogen-production controller, an oxygen-side gas-liquid separation apparatus respectively in communication with the first valve and the third valve, and a hydrogen-side gas-liquid separation apparatus respectively in communication with the second valve and the fourth valve, where the hydrogen-production controller is configured to control a pressure in the oxygen-side gas-liquid separation apparatus through the third valve, and control a liquid level in the hydrogen-side gas-liquid separation apparatus through the fourth valve; and the safety controller is configured to: when a hydrogen production parameter is greater than or equal to a preset parameter alarm threshold, adjust the pressure in the oxygen-side gas-liquid separation apparatus through the first valve, and/or adjust the liquid level in the hydrogen-side gas-liquid separation apparatus through the second valve. In this way, system safety is effectively ensured, and production efficiency is improved.
Resumen de: WO2024086793A1
The present disclosure provides a catalyst, methods of manufacturing the catalyst, and methods for using the catalyst for ammonia decomposition to produce hydrogen and nitrogen. The catalyst may comprise an electrically conductive support with a layer of one or more metal oxides adjacent to the support and at least one active metal adjacent to the layer. Methods are disclosed for deposition of metal oxide and active metal, drying and heat treatment. The method of using the catalyst may comprise bringing ammonia in contact with the catalyst in a reactor. The catalyst may be configured to be heated to a target temperature in less than about 60 minutes, by passing an electrical current through the catalyst. The method of using the catalyst may comprise bringing the catalyst in contact with ammonia at about 450 to 700 °C, to generate a reformate stream with a conversion efficiency of greater than about 70%.
Resumen de: US2024133063A1
An electrolyzer system includes a vaporizer configured to store a first volume of liquid water and to vaporize water to humidify a cathode inlet stream of an electrolyzer cell module, a cold water tank positioned at a height greater than that of the first volume of liquid water and configured to store a second volume of water, and a valve configured to open and close. The water from the cold water tank is allowed to flow through the valve into the vaporizer when the valve is open.
Resumen de: GB2638621A
A hydrogen production facility 10 and associated method of use is disclosed, comprising a plurality of electrolyser stacks 12. The stacks 12 are for electrolyzing water, generating a hydrogen-aqueous solution mixture. A hydrogen separator 2 arrangement is described for producing a flow of hydrogen from the hydrogen-aqueous solution mixture. The hydrogen separator 2 arrangement comprises a plurality of first stage hydrogen collector separators 20,22, where the first stage hydrogen collector separators are fluidly coupled to a respective sub-set of the plurality of electrolyser stacks. The plurality of first stage hydrogen collector separators 20,22 are also fluidly coupled to a downstream hydrogen buffer vessel 28. The hydrogen separator 2 arrangement may comprise one or more hydrogen coalescing devices 16. A pressure balancing line 24 can also be provided between oxygen 22 and hydrogen separators 20 - it may also extend between hydrogen 28 and oxygen buffer 30 vessels.
Resumen de: GB2638622A
A hydrogen production facility 10 and associated method of use is disclosed, comprising a plurality of electrolyser stacks 12. The stacks 12 are for electrolyzing water, generating a hydrogen-aqueous solution mixture. A hydrogen separator 2 arrangement is described for producing a flow of hydrogen from the hydrogen-aqueous solution mixture. The hydrogen separator 2 arrangement comprises a plurality of first stage hydrogen collector separators 20,22, where the first stage hydrogen collector separators are fluidly coupled to a respective sub-set of the plurality of electrolyser stacks. The plurality of first stage hydrogen collector separators 20,22 are also fluidly coupled to a downstream hydrogen buffer vessel 28. The hydrogen separator 2 arrangement may comprise one or more hydrogen coalescing devices 16. A pressure balancing line 24 can also be provided between oxygen 22 and hydrogen separators 20 - it may also extend between hydrogen 28 and oxygen buffer 30 vessels.
Resumen de: US2024133066A1
An electrolysis cell system includes a cathode portion configured to output a cathode exhaust stream, an anode portion configured to output an anode exhaust stream, a sensor configured to detect a concentration in an exhaust stream and to output sensor data, wherein the sensor is either a hydrogen concentration sensor configured to detect a hydrogen concentration in the cathode exhaust stream or a water concentration sensor configured to detect a water concentration of the anode exhaust stream, and a controller. The controller is configured to receive the sensor data from the sensor and, based on the sensor data, control at least one of (a) an air pressure adjustment device to adjust a pressure of air entering the anode portion or (b) a steam pressure adjustment device to adjust a pressure of steam entering the cathode portion.
Resumen de: GB2638623A
A hydrogen production facility 10 and associated method of use is disclosed, comprising a plurality of electrolyser stacks 12. The stacks 12 are for electrolyzing water, generating a hydrogen-aqueous solution mixture. A hydrogen separator 2 arrangement is described for producing a flow of hydrogen from the hydrogen-aqueous solution mixture. The hydrogen separator 2 arrangement comprises a plurality of first stage hydrogen collector separators 20,22, where the first stage hydrogen collector separators are fluidly coupled to a respective sub-set of the plurality of electrolyser stacks. The plurality of first stage hydrogen collector separators 20,22 are also fluidly coupled to a downstream hydrogen buffer vessel 28. The hydrogen separator 2 arrangement may comprise one or more hydrogen coalescing devices 16. A pressure balancing line 24 can also be provided between oxygen 22 and hydrogen separators 20 - it may also extend between hydrogen 28 and oxygen buffer 30 vessels.
Resumen de: US2024194916A1
A hydrocarbon feed stream is exposed to heat in an absence of oxygen to the convert the hydrocarbon feed stream into a solids stream and a gas stream. The gas stream is separated into an exhaust gas stream and hydrogen. The carbon is separated from the solids stream as a carbon stream. Electrolysis is performed on a water stream to produce an oxygen stream and hydrogen. The oxygen and a portion of the carbon are combined to generate power and a carbon dioxide stream. At least a portion of the carbon stream, cement, and water are mixed to form a concrete mixture. The concrete mixture can be used to produce ready-mix concrete and precast concrete. Carbon dioxide used for curing the concrete can be sourced from the carbon dioxide stream produced by power generation.
Resumen de: CN119604997A
The invention relates to: a bipolar plate (1); and an electrochemical cell (12) comprising a plurality of such bipolar plates (1, 1 '). The bipolar plate (1) comprises a first half plate (1a) and a second half plate (1b) which are fixedly connected with each other, the bipolar plate (1) is provided with a plurality of fluid channel openings (2), and the fluid channel openings comprise fluid inlet openings (2a, 2c and 2e) and fluid outlet openings (2b, 2d and 2f); on both sides of the bipolar plate (1) there are a first distributor field (3) for distributing the fluid, an active field (4) and a second distributor field (5) for distributing the fluid. At least one seal (6, 6 ') is also present on each side of the bipolar plate (1), the seals (6, 6') being positioned one above the other in at least one transition region (7) between the fluid channel opening (2) and the adjacent distributor field (3, 5) as seen perpendicularly to the plane of expansion of the bipolar plate (1) and being reinforced by embossing structures (9a, 9b).
Resumen de: JP2023145445A
To provide a composite composition with a silicon suboxide that more strongly elicits a hydrogen generation ability of silicon fine particles.SOLUTION: One composite composition of the present invention comprises silicon fine particles and a silicon sub-oxide (SiOX, where x is 1/2, 1, and 3/2) covering at least a portion of a surface of the silicon fine particles and/or a mixed composition of the silicon sub-oxide and silicon dioxide.SELECTED DRAWING: Figure 1
Resumen de: JP2023106855A
To provide a hydrogen system operation planning device which can accurately create an operation plan that achieves an efficient operation in a hydrogen system.SOLUTION: A hydrogen system operation planning device 200 that plans an operation of a hydrogen system comprising a hydrogen manufacturing deice for manufacturing hydrogen by using electric power, includes: a classification part 210 into which a DR command related to a demand of the power in the hydrogen system is input, and which classifies the input DR command into a first DR group and a second DR group having a priority lower than that of the first DR group; a first plan part 220 that creates a first operation plan so as to reflect the DR command classified into the first DR group; and a second plan part 230 that creates a second operation plan by reflecting contents of the DR command classified into the second DR group upon the first operation plan so that the command of the DR command classified into the first DR group is more prioritized than the content of the DR command classified into the second DR group.SELECTED DRAWING: Figure 2
Resumen de: US2023272543A1
A modular system for hydrogen generation includes a plurality of cores and a hub. Each core includes an electrolyzer and a power supply. The power supply is operable to manage electrical power to the electrolyzer of the core and is redundant to the power supply of at least another one of the plurality of cores. The hub includes a water module, a heat exchange module, and a switchgear module. The water module includes a water source in fluid communication with the electrolyzer of each one of the plurality of cores, the heat exchange module includes a heat exchanger in thermal communication with the electrolyzer of each one of the plurality of cores, and the switchgear module includes a switch activatable to electrically isolate the power supply of each one of the plurality of cores.
Resumen de: US2025267782A1
A system which facilitates the joining of metal or ceramic objects via heat in an oxygen-depleted atmosphere comprising: a plasma flame generator (torch), regulator, gas purifier, in-situ hydrogen generator, liquid pumps, battery, and electrical power supply. The electrical system is self-contained and is intended to provide equal or greater functionality to that of existing TIG/Plasma arc welders but in a portable form-factor free from reliance on expensive and cumbersome high pressure compressed gas bottles.
Resumen de: US2025266688A1
A system network includes at least two electrolysis systems, a power supply source, and a central supply line. The central supply line is connected to the secondary side of a transformer. The primary side of the transformer can be fed with energy from the power supply source. The transformer 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 are connected via the central supply line.
Resumen de: US2025266470A1
Electro-energy or electro-synthetic cells whose architectures allow them to be readily stacked into a cell stack. The cells include polymeric cell frames that incorporate within them, functional materials, such as an inter-electrode separator, electrodes, metallic bipolar plates, and the like. For example, an electro-energy or electro-synthetic cell includes a polymeric cell frame, a first electrode and a second electrode, and an inter-electrode separator positioned between the first electrode and the second electrode. A compressive component is positioned adjacent to the first electrode. The compressive component may be a metallic bipolar plate compressive component and/or a metallic porous transport layer compressive component. In one example the polymeric cell frame is sealed to the metallic bipolar plate by a polymer-to-metal join. In another example at least one polymeric structural locating component locates the metallic bipolar plate against the polymeric cell frame. A cell stack includes a plurality of the cells.
Resumen de: AU2024219118A1
The present application relates to a flow field for use in an electrolysis cell comprising one or more sheets of porous material with a corrugated structure. The electrolysis cell comprises a membrane, an anode, a cathode, an anode reinforcement layer, a cathode reinforcement layer, an anode flow field, a cathode flow field, and a bipolar plate assembly comprising an embedded hydrogen seal. The anode flow field comprises one or more porous sheets having at least one straight edge and at least one of the porous sheets has the form of a corrugated pattern with a plurality of peaks and valleys whose axes are generally aligned with one straight edge of the sheet. The anode flow field geometry simultaneously provides resiliency, for efficient mechanical compression of the cell, and well-distributed mechanical support for the anode reinforcement layer adjacent to the anode flow field.
Resumen de: AU2024307301A1
A method and arrangement of performing electrolysis by an electrolyzer includes an operational mode and a partial operational mode. During the operational mode operational power from a main power source (202) to a first (808) and second set of stacks (806). In response to detecting a power insufficient for the first and the second set of stacks (806) to perform electrolysis without impurities, the electrolyzer is set to a partial operational mode, wherein the first set of stacks (808) perform electrolysis without impurities and the second set of stacks (806) do not perform electrolysis.
Resumen de: WO2025172702A1
An apparatus comprising an electrolyser subsystem (20), a Haber Bosch subsystem (22), and an Ostwald subsystem (24), and a method for producing nitric acid. Fluid passageways are configured to: route hydrogen produced by the electrolyser subsystem (20) to the Haber Bosch subsystem (22) via a first path (26) for use in a Haber process at the Haber Bosch subsystem (22) to produce ammonia; route at least a portion of the ammonia produced by the Haber Bosch subsystem (22) to the Ostwald subsystem (24) via a second path (28) for use in an Ostwald process at the Ostwald subsystem (24) to produce nitric acid; and route at least a portion of steam produced using heat from the Ostwald subsystem (24) to the electrolyser subsystem (20) via a third path (30) for use as at least a part of an infeed gas for the electrolyser subsystem (20).
Resumen de: WO2025172046A1
The invention relates to a method for operating an electrolyzer (1) comprising an anode chamber (3) and a cathode chamber (5), in which water (H2O) is supplied as a reactant and hydrogen (H2) and oxygen (O2) are generated as product gases. On the anode side, the oxygen product gas, which also contains hydrogen as a foreign gas, is generated in a product flow out of the anode chamber (3) and is introduced into a horizontal anode-side collecting line (7) having a surrounding wall (11) and is removed via the collecting line (7), wherein water (H2O) is sprayed onto an inner surface of the surrounding wall (11) of the collecting line (7) so that the surrounding wall (11) is wetted with water and the inner surface is inerted. The invention additionally relates to an electrolyzer (1), in particular for carrying out the method.
Resumen de: WO2025174971A1
A method can include coupling sulfur dioxide depolarized electrolysis (e.g., electrochemical oxidation of sulfur dioxide to sulfuric acid with electrochemical reduction of water to hydrogen) with the contact process to facilitate formation of high concentration sulfuric acid with concurrent hydrogen production. The sulfuric acid and hydrogen can optionally be used cooperatively for downstream processes (e.g., metal extraction from ore, fertilizer production, hydrocarbon processing, etc.).
Resumen de: WO2025173297A1
A water splitting device for generating hydrogen when irradiated with light, said water splitting device comprising: an electrolytic bath that is filled with an electrolytic solution; and a water splitting cell that is immersed in the electrolytic solution and comprises a laminate in which an anode, a hole transport layer, a Perovskite battery cell, an electron transport layer, and a cathode have been laminated in the given order, and an electrically insulating protective material which covers the outer periphery of the laminate.
Resumen de: WO2025171442A1
The invention is directed to methods of electrolysis and cells used for the same. The method comprising generating and delivering a humidified gas stream or liquid water to an electrolysis cell comprising an anode side, a cathode side and an ion permeable membrane located between them wherein the anode side has a first catalytic layer and the cathode side has a second electrolytic layer, contacting the humidified gas stream or liquid water with the first catalytic layer and contacting a portion of the ion- permeable membrane on the cathode side with liquid water, applying a voltage such that oxygen gas is generated at the anode and hydrogen gas is generated at the cathode. The invention is also related to an electrolytic cell for performing the methods and a kit that allows for retrofitting existing cells to perform the methods.
Resumen de: US2025263859A1
A method of producing hydrogen and/or bromine by electrolysing hydrogen bromide using a fluoropolymer membrane having a glass transition temperature Tg≥110° C. in an electrolysis of hydrogen bromide, wherein the hydrogen bromide stems from a sulfuric acid synthesis.
Resumen de: US2025263853A1
A control device includes a controller that controls a first power supplier structured to supply power to an electrolytic bath for generating an organic compound and a second power supplier different from the first power supplier and structured to supply power to the electrolytic bath. The controller controls the second power supplier based on a change in a voltage between a cathode electrode and an anode electrode provided in the electrolytic bath to a specified voltage, a change in a potential of the cathode electrode to a specified potential ECA1, or a change in a potential of the anode electrode to a specified potential EAN1.
Resumen de: US2025263844A1
A system for hydrogen recovery includes a dryer having an inlet that may be fluidly connected to a hydrogen outlet of a hydrogen generator, a hydrogen using device having an inlet fluidly connected to a dry hydrogen outlet of the dryer, and one or more conduits fluidly connecting a wet hydrogen outlet from the dryer and an impure hydrogen exhaust outlet of the hydrogen using device to the inlet of the dryer.
Resumen de: US2025263846A1
To provide a water electrolysis stack capable of suppressing deterioration in sealability. A water electrolysis stack configured by laminating a plurality of water electrolysis cells to generate hydrogen by supplying water to the water electrolysis cell and applying electric power, wherein a laminated member for improving sealing property, which is a member that does not introduce water therein, is laminated at a predetermined position of the water electrolysis cell to be laminated.
Resumen de: US2025263850A1
A polymer electrolyte membrane (PEM) electrolytic cell assembly, and a method for making the assembly, are provided. An exemplary method includes forming a functionalized zeolite templated carbon (ZTC), including forming a CaX zeolite, depositing carbon in the CaX zeolite using a chemical vapor deposition (CVD) process to form a carbon/zeolite composite, treating the carbon/zeolite composite with a solution including hydrofluoric acid to form a ZTC, and treating the ZTC to add catalyst sites, forming the functionalized ZTC. The method further includes incorporating the functionalized ZTC into electrodes, forming a membrane electrode assembly (MEA), and forming the PEM electrolytic cell assembly. The method further includes coupling the PEM electrolytic cell assembly to a heat source.
Resumen de: US2025263849A1
A method of electrolysing hydrogen bromide comprising the steps i) brominating a hydrocarbon such that hydrogen bromide is produced, ii) providing an electrolytic cell comprising an anode, a cathode, and a membrane sandwiched between the anode and the cathode, iii) feeding a first composition comprising hydrogen bromide and water to the anode, iv) feeding a second composition comprising hydrogen bromide and water to the cathode, and v) operating the electrolytic cell to produce hydrogen at the cathode, wherein the hydrogen bromide fed in step iii) and/or the hydrogen bromide fed in step iv) is hydrogen bromide produced in step i).
Resumen de: US2025263845A1
The invention relates to a method and an apparatus for the production of hydrogen from a hydrogen-containing substance by splitting the hydrogen-containing substance into its components, wherein the hydrogen-containing substance is stimulated by means of an electromagnetic wave generator. The electromagnetic wave generator emits energy at the resonant frequency of an atomic bond of the hydrogen-containing substance. According to the invention, it is provided that the splitting of the hydrogen-containing substance takes place in an electromagnetic resonator.
Resumen de: US2025263322A1
Methods, systems and devices for PFAS destruction including adding a sulfite salt to an aqueous solution containing PFAS and then irradiating the aqueous solution with light at 222 nm. The method may include adding a base to the aqueous solution in an amount sufficient to raise a pH of the aqueous solution including PFAS to about 10 or more. It may also include adding a halide salt such as a bromide salt or an iodine salt, and further adding a carbonate. Greater than 90%, or greater than 99%, of the PFAS in the solution may be destroyed by irradiating the aqueous solution in this way.
Resumen de: US2025263302A1
The present invention describes an improved catalytic reactor system with an improved catalyst that transforms CO2 and low carbon H2 into low-carbon syngas with greater than an 80% CO2 conversion efficiency, resulting in the reduction of plant capital and operating costs compared to processes described in the current art. The inside surface of the adiabatic catalytic reactors is lined with an insulating, non-reactive surface which does not react with the syngas and effect catalyst performance. The improved catalyst is robust, has a high CO2 conversion efficiency, and exhibits little or no degradation in performance over long periods of operation. The low-carbon syngas is used to produce low-carbon fuels (e.g., diesel fuel, jet fuel, gasoline, kerosene, others), chemicals, and other products resulting in a significant reduction in greenhouse gas emissions compared to fossil fuel derived products.
Resumen de: US2025263361A1
The present invention relates to a process for producing dimethyl ether (DME) and hydrogen (H2) from methane, comprising the steps of: a) providing a gaseous feed stream comprising methane; b) reacting said gaseous feed stream with at least one halogen reactant (X2), under reaction conditions effective to produce an effluent stream comprising methyl halide (MeX), and hydrogen halide (HX); c) separating from the effluent stream obtained in step b): (i) a methyl halide (MeX) stream; and, (ii) a hydrogen halide (HX) stream; d) reacting the methyl halide (MeX) stream separated in step c) with a solid metal oxide (MO(s)) under reaction conditions effective to produce metal halide (MX) and dimethyl ether (DME); and e) decomposing by means of electrolysis said hydrogen halide (HX) stream separated in step c) under conditions effective to produce a gaseous hydrogen (H2) stream and a stream comprising halogen reactant (X2).
Resumen de: US2025263349A1
The invention relates to a process, catalysts, materials for conversion of renewable electricity, air, and water to low or zero carbon fuels and chemicals by the direct capture of carbon dioxide from the atmosphere and the conversion of the carbon dioxide to fuels and chemicals using hydrogen produced by the electrolysis of water.
Resumen de: US2025263294A1
Ammonia, methanol, Fischer Tropsch products, and derivatives thereof are made by using hydrogen and oxygen supplied from an electrolyzer that is at least partially powered by renewable power, resulting in green process and systems that produce green products disclosed herein. A process using biomass and renewable energy includes producing an unshifted syngas from biomass and oxygen in a gasification unit, introducing water into an electrolyzer to produce an oxygen product and a hydrogen product, and introducing the oxygen product to the gasification unit. The electrolyzer is powered by renewable energy, and the oxygen product supplies at least a portion of the oxygen to the gasification unit.
Resumen de: US2025262590A1
Proposed is a system for capturing and recycling carbon dioxide and producing hydrogen for a cement manufacturing facility. The system includes a preheater provided with multiple stages of cyclones arranged in series in a vertical direction and configured to receive and preheat a cement raw material, a calciner configured to calcine the cement raw material preheated by the preheater, a kiln configured to burn the cement raw material calcined in the calciner, an exhaust line connected to the cyclones and configured to discharge an exhaust gas respectively discharged from the calciner and the kiln to the outside, a reactor configured to capture carbon dioxide in the exhaust gas, to collect a reactant containing the captured carbon dioxide, and to separate a carbon dioxide reactant and a waste solution in the reactant, and a hydrogen generator configured to generate hydrogen gas by receiving the separated carbon dioxide from the reactor.
Resumen de: AU2023390125A1
Catalyst ink formulas for the preparation of CCMs are described. The catalyst ink formulas comprise a catalyst, an ionomer, a solvent, and a porogen soluble in the solvent. The catalyst ink formula may also comprise an additive, such as an electron conductive polymer. The anode catalyst coating layer or both the anode and the cathode catalyst coating layers prepared from the catalyst ink formula comprises uniformly distributed nanopores that allow easy gas removal and uniform water feed distribution, which will avoid or reduce the direct energy losses for the electrolyzers. Catalyst coated membranes and methods of making a catalyst coated membranes are also described.
Resumen de: WO2024081426A2
The present disclosure relates to circuits for connecting components of a hydrogen plant to a power grid to power the components in an efficient manner. In one implementation, power-side alternate current (AC) to direct current (DC) converters may be connected to a source power grid without the need for an isolation transformer by providing separate buses between the power-side AC-DC converters and load-side DC-DC converters instead of a shared DC bus between the converters. Other implementations for connecting components of a hydrogen plant to a power grid may include an adjustable transformer, such as a tappable transformer or an autotransformer, to connect any number of auxiliary loads of the plant to the power grid. The adjustable transformer may provide for various types of auxiliary load devices to connect to the power provided by the transformer at the same time, including both three-phase devices and one-phase devices.
Resumen de: US2025236972A1
Electrolyzer for production of hydrogen gas and comprising a stack of bipolar electrodes sandwiching ion-transporting membranes between each two of the bipolar electrodes. Each bipolar electrode comprises two metal plates welded together back-to-back forming a coolant compartment in between and having a respective anode surface and an opposite cathode surface, each of which is abutting one of the membranes. The plates are embossed with a major vertical channel and minor channels in a herringbone pattern for transport of oxygen and hydrogen gases. The embossed herringbone pattern is provided on both sides of the metal plates so as to also provide coolant channels in a herringbone pattern inside the coolant compartment.
Resumen de: US2023243054A1
A separator for alkaline electrolysis comprising a porous support (10) and a first (20b) and second (30b) porous layer provided on respectively one side and the other side of the porous support, characterized in that the porous support has a thickness (d1) of 150 μm or less and the total thickness (d2) of the separator is less than 250 μm. Also a method is disclosed wherewith such a separator may be prepared.
Resumen de: WO2024081205A1
A composition that produces hydrogen includes a nanoparticle or plurality of nanoparticles; an external source of electrons such as an electrogenic bacterium or a plurality of electrogenic bacteria and a carbon source; and an aqueous medium. The nanoparticles and the aqueous medium are combined in a mixture; upon exposure to electromagnetic radiation with a wavelength in the absorption profile of the nanoparticles, the nanoparticles generate an electron that can reduce a proton in the aqueous medium; and the source of electrons is capable of reducing the nanoparticles. The nanoparticles may comprise cadmium chalcogenide or water-soluble cadmium chalcogenide quantum dots. The electrogenic bacterium or bacteria may comprise Shewanella oneidensis, a Geobacter species or any bacterium capable of extracellular electron transfer. The electromagnetic radiation has a wavelength of between approximately 400 and 1100 nanometers, or preferably 530 nm. The aqueous medium may be wastewater and the carbon source may comprise lactate.
Resumen de: MX2025001242A
The invention relates to a method for heating a furnace comprising radiant tubes and being able to thermally treat a running steel strip comprising the steps of: i. supplying at least one of said radiant tubes with H<sub>2</sub> and O<sub>2</sub> such that said H<sub>2</sub> and said O<sub>2</sub> get combined into heat and steam, ii. recovering said steam from said at least one of said radiant tubes, iii. electrolysing said steam so as to produce H<sub>2</sub> and O<sub>2</sub>, iv. supplying at least one of said radiant tubes with said H<sub>2</sub> and O<sub>2</sub> produced in step iii, such that they get combined into heat and steam.
Resumen de: AU2023359480A1
The invention relates to a bipolar plate for an electrolytic cell, the plate comprising, on at least one of its main faces: a first zone running circumferentially; a second zone running circumferentially so as to be bordered on the outside by the first zone; a third zone running circumferentially so as to be bordered on the outside by the second zone, the various zones being arranged on the periphery of the associated main face. The invention also relates to the corresponding cell, electrolyzer cell and assembly method.
Resumen de: AU2023359478A1
The invention relates to a method for joining a stack of elements together, the method comprising the steps of: individually joining subassemblies of the elements together; joining the subassemblies together by arranging a joint between each subassembly to form the stack of elements; applying consecutive phases of heating and cooling to the stack of elements while applying at least one clamping action to the stack of elements between two different phases of heating and cooling.
Resumen de: EP4603181A1
The invention provides a novel and efficient catalyst for HER composed of Ru nanoparticles dispersed over a support consisting of titanium oxynitride and high surface area carbon material, such as graphene oxide, (TiON-C) with a particularly low Ru loading of only 6 wt.%. In an alkaline electrolyte, the Ru/TiON-C composite significantly surpasses the HER performance of the Ru/C analog. More importantly, Ru/TiON-C is both intrinsically (nearly 3 times higher turnover frequency) and practically (4 times higher mass activity) better performing HER catalyst than the commercial Pt/C benchmark.
Resumen de: CN119677896A
In one embodiment, discussed herein is a method of producing hydrogen, the method comprising: (a) providing an electrochemical reactor having an anode, a cathode, and a membrane between the anode and the cathode, where the membrane is both electronically and ionically conductive; (b) introducing a first stream to the anode, wherein the first stream comprises ammonia; (c) introducing an oxidizing agent to the anode; and (d) introducing a second stream to the cathode, wherein the second stream comprises water and provides a reducing environment to the cathode; wherein the hydrogen is generated from water in an electrochemical manner; wherein the first stream and the second stream are separated by the membrane; and wherein the oxidant and the second stream are separated by the membrane.
Resumen de: US2025116022A1
A method of operating a solid oxide electrolysis cell (SOEC) system at partial load, the SOEC system including a plurality of branches each including at least one SOEC stack, includes determining a thermally neutral target voltage and cycling an ON phase and an OFF phase for each of the branches such that the SOEC system operates at an average operating power equal to a chosen percentage of the operating power at the thermally neutral target voltage. In the ON phase, the SOEC stacks in a given branch operate at the thermally neutral target voltage, and in the OFF phase, the SOEC stacks in the given branch are unloaded to an open circuit voltage and operate at 0% of rated power. The frequency of OFF phases for each branch is determined such that stronger or healthier branches have a lower frequency of OFF cycles than weaker or less healthy branches.
Resumen de: WO2025169081A1
PRODUCTION OF HYDROGEN USING METHANOL The present disclosure relates generally to processes for producing hydrogen. In particular, the disclosure relates to a process comprising: providing a first feed stream comprising H2 and CO2; contacting the first feed stream with a hydrogenation catalyst (e.g., in a hydrogenation reaction zone) to hydrogenate at least a portion of the CO2 to form a first product stream comprising methanol; storing at least a portion of the methanol of the first product stream; providing a second feed stream comprising at least a portion of the stored methanol; in a methanol dehydrogenation reaction zone, dehydrogenating at least a portion of the methanol of the second feed stream to form a second product stream comprising H2 and CO2; providing a third feed stream comprising at least a portion of H2 of the second product stream; in a hydrogen reaction zone, reacting hydrogen of the third feed stream with one or more co-reactants to provide a third product stream comprising one or more products including reacted hydrogen atoms from hydrogen of the third feed stream.
Resumen de: WO2025168743A1
The present disclosure provides an improved ammonia-producing plant and process for the simultaneous production of hydrogen and ammonia as end products, by integrating a hydrogen separation unit into an ammonia-producing plant. More in particular, the present disclosure provides an ammonia production plant comprising (a) a reforming section, (b) a purification section, downstream of the reforming section, and (c) an ammonia synthesis section, downstream of the purification section, wherein the plant further comprises (d) a hydrogen separation unit, wherein the hydrogen separation unit has an inlet for a hydrogen-containing gas stream, a first outlet for a pure hydrogen gas, particularly for providing the pure hydrogen to a hydrogen network, and a second outlet for a tail gas, particularly wherein the inlet of the hydrogen separation unit is in fluid communication with a hydrogen-containing gas stream in the purification section and/or in the ammonia synthesis section, and/or with a hydrogen-containing gas stream between the purification section and the ammonia synthesis section of the ammonia production plant, and, particularly, wherein the second outlet is in fluid communication with the reforming section and/or with the purification section of the ammonia production plant.
Resumen de: KR20250122697A
본 발명에 의한 수소발생 촉매 전극용 백금-탄소나노튜브 복합체는 탄소나노튜브 표면에 백금이 도입되며, 백금 함량이 20 중량% 이하인 것을 특징으로 한다.
Resumen de: WO2024126749A1
There is provided a multi-layered proton exchange membrane for water electrolysis, comprising: at least two recombination catalyst layers, each of the at least two recombination catalyst layers comprising a recombination catalyst and a first ion exchange material, wherein at least two recombination catalyst layers are separated by a region devoid of or substantially devoid of a recombination catalyst, and at least two reinforcing layers, each of the at least two reinforcing layers comprising a microporous polymer structure and a second ion exchange material which is at least partially imbibed within the microporous polymer structure.
Resumen de: AU2024301470A1
The present invention relates to an electrolysis system (100) comprising a renewable power generation plant (1), an electrolysis plant (3), a transformer station (27) and an AC bus bar (5), wherein the renewable power generation plant (1) is connected to the public electricity grid at a point of connection (POC) via the AC bus bar (5) and comprises a power plant controller (7) and a self-controlled converter (9) that is connected to the AC bus bar (5). The electrolysis plant (3) comprises an electrolysis active power controller (11) and a converter arrangement (13) that is connected to the AC bus bar (5), and wherein the electrolysis active power controller (11) is configured for controlling active power (P) of the electrolysis plant (3) at the AC bus bar (5) and the power plant controller (7) is configured for controlling reactive power (Q) at the point of connection (POC).
Resumen de: US2025257482A1
Some embodiments relates generally to the production of a desalinated, filtrated or other way treated water simultaneously with generation of renewal energy source, in particular hydrogen, using osmotic and/or gauge pressure driven filtration processes and systems. The co-generation of hydrogen 11 from water 8 produced during pressure driven water desalination/filtration processes, such as reverse osmosis, forward osmosis, pressure retarded osmosis or ultrafiltration. A small part of feed, raw saline solution and/or permeate involved in a desalination/filtration processes is subjected to electrolysis thereby splitting the water to produce hydrogen. This is achieved by the provision of novel RO type semi-permeable membranes and UF type membrane that incorporate electrodes 9, 10 within the membrane to allow splitting of the water via electrolysis.
Resumen de: US2025259714A1
A determination method determines whether or not target molecules including elemental hydrogen are electrolytic hydrogen-containing molecules which include: hydrogen molecules produced by water electrolysis; or molecules produced using the hydrogen molecules as a raw material. In the determination method, the method includes determining that the target molecules are the electrolytic hydrogen-containing molecules when an abundance ratio of deuterium to light hydrogen in the target molecules is less than or equal to a predetermined threshold which is smaller than an abundance ratio of deuterium to light hydrogen in nature.
Resumen de: US2025257475A1
The invention relates to a method for operating an electrolysis plant which has an electrolyzer for generating hydrogen and oxygen as product gases, wherein water is fed as educt water to the electrolyzer and split into hydrogen and oxygen at an ion-exchange membrane. Prior to splitting, the educt water is brought into a thermodynamic state close to the boiling point of the water in terms of the pressure and temperature and is fed in this state to the membrane. Educt water is brought to a boil at the membrane and converted into the gas phase, wherein the water in the gas phase is split at the membrane. There is also described an electrolysis plant having an electrolyzer for generating hydrogen and oxygen as product gases.
Resumen de: US2025257488A1
An electrolysis system includes at least one electrolyzer for generating hydrogen and oxygen as products, and at least two downstream compressors for compressing at least one of the products produced in the electrolyzer. A method of operating the electrolysis system in a part-load operation of the electrolyzer that is optimized in terms of efficiency and is also cost-effective. During the part load operation of the electrolyzer, a first group of compressors is operated in part-load operation, while the compressor(s) of a second group can be switched on or off individually for full-load operation.
Resumen de: US2025257476A1
A method can include coupling sulfur dioxide depolarized electrolysis (e.g., electrochemical oxidation of sulfur dioxide to sulfuric acid with electrochemical reduction of water to hydrogen) with the contact process to facilitate formation of high concentration sulfuric acid with concurrent hydrogen production. The sulfuric acid and hydrogen can optionally be used cooperatively for downstream processes (e.g., metal extraction from ore, fertilizer production, hydrocarbon processing, etc.).
Resumen de: US2025257477A1
A method of electrolysing hydrogen bromide comprising the steps i) synthesizing sulfuric acid such that hydrogen bromide is produced, ii) providing an electrolytic cell comprising an anode, a cathode, and a membrane sandwiched between the anode and the cathode, iii) feeding a first composition comprising hydrogen bromide and water to the anode, iv) feeding a second composition comprising hydrogen bromide and water to the cathode, and v) operating the electrolytic cell to produce hydrogen at the cathode.
Resumen de: US2025257483A1
Clean version of Abstract A catalyst and anode for hydrogen production by electrolysis as well as a preparation method, activation method and use thereof are provided. The anode for hydrogen production by electrolysis includes a catalyst which is nickel iron barium hydrotalcite with a nano hexagonal sheet structure and a thickness of 100-200 nm. The catalyst can be prepared by a one-step solvothermal reaction method. Alkaline-earth metal ions are evenly doped in the nickel iron barium hydrotalcite and are in atomic level dispersion, so that the anode for hydrogen production by electrolysis based on the catalyst, when being applied to a process for hydrogen production by electrolysis of an aqueous solution containing chlorine ions, not only can maintain good catalytic performance, but also has greatly improved chlorine ion corrosion resistance, leading to significant improvement of working stability and service life.
Resumen de: US2025257484A1
An electrode suitable for carrying out oxygen evolution reaction in the electrolysis of water in alkaline conditions. The electrode includes a ceramic material having a stability factor (SF) between 1.67≤SF≤2.8 and which is calculated by formula (II), where rO is the ionic radius of oxide ion (O2−), rB,av is the weighted average ionic radius of a transition metal, nA,Av is the weighted average oxidation state of a rare earth or alkaline earth metal, rA,av is the weighted average ionic radius of a rare earth or alkaline earth metal. An alkaline electrolysis stack includes the electrode, as well as a method for the electrolysis of water in alkaline conditions using the alkaline electrolysis stack.
Resumen de: US2025257487A1
A method of producing hydrogen and/or bromine by electrolysing hydrogen bromide using a fluoropolymer membrane having a glass transition temperature Tg≥110° C. in an electrolysis of hydrogen bromide, wherein the hydrogen bromide stems from a bromination of a hydrocarbon.
Resumen de: US2025257489A1
A water electrolysis system includes: a water electrolysis stack that generates oxygen gas and hydrogen gas by electrolyzing water; a gas-liquid separator that separates the hydrogen gas from water; a hydrogen compression stack that compresses the hydrogen gas; a gas tank that stores an inert gas and is connected to a hydrogen flow path that connects the water electrolysis stack and the hydrogen compression stack; a supply valve that, when opened, supplies the inert gas to the hydrogen flow path; and a supply control unit that opens the supply valve in a case where the concentration of the oxygen gas that has flowed into the hydrogen flow path exceeds an oxygen concentration threshold determined in advance.
Resumen de: US2025257022A1
The present invention relates to a process for producing methanol (MeOH) and hydrogen (H2) from methane, comprising the steps: a) providing a gaseous feed stream comprising methane; b) reacting said gaseous feed stream with at least one halogen reactant (X2), under reaction conditions effective to produce an effluent stream comprising methyl halide (MeX), hydrogen halide (HX); c) separating from the effluent stream obtained in step b): (i) a methyl halide (MeX) stream, optionally comprising unreacted methane; and, (ii) a hydrogen halide (HX) stream; d) reacting the methyl halide (MeX) stream separated in step c) with a solid metal hydroxide (MOH(s)) under reaction conditions effective to produce metal halide (MX) and methanol (MeOH); and, e) decomposing by means of electrolysis said hydrogen halide (HX) stream separated in step c) under conditions effective to produce a gaseous hydrogen (H2) stream and a stream comprising halogen reactant (X2).
Resumen de: US2025256975A1
Embodiments of the disclosure pertain to the conditioning of the purge gas stream in an NH3 synthesis plant comprising a water electrolysis unit to produce a H2 stream, ammonia synthesis loop, and a treatment section for treating purge gas at 10-70 bar(a) using scrubbing and membrane separation.
Resumen de: US2025257374A1
The invention described herein presents compositions and methods for a multistep biological and chemical process for the capture and conversion of carbon dioxide and/or other forms of inorganic carbon into organic chemicals including biofuels or other useful industrial, chemical, pharmaceutical, or biomass products. One or more process steps utilizes chemoautotrophic microorganisms to fix inorganic carbon into organic compounds through chemosynthesis. An additional feature described are process steps whereby electron donors used for the chemosynthetic fixation of carbon are generated by chemical or electrochemical means, or are produced from inorganic or waste sources. An additional feature described are process steps for recovery of useful chemicals produced by the carbon dioxide capture and conversion process, both from chemosynthetic reaction steps, as well as from non-biological reaction steps.
Resumen de: WO2025169719A1
This water electrolysis system comprises: a water electrolysis cell stack; a water separator that is connected to the water electrolysis cell stack and separates water discharged from the water electrolysis cell stack from gas; a water circulation path that is provided with a water circulation pump and circulates the water separated by the water separator; a water supply path that is separate from the water circulation path, is provided with a water supply pump, and supplies the water to the water electrolysis cell stack; an ion exchange resin provided in the water circulation path; and a heat exchanger that is provided on the upstream side of the ion exchange resin in the water circulation path, and that cools the water in the water circulation path on the basis of the temperature of the water supplied from the water supply path to the water electrolysis cell stack.
Resumen de: WO2025166879A1
The present invention belongs to the technical field of OER electrocatalysts. Provided are a method for constructing a nitrogen-doped bimetallic nanofiber membrane electrocatalyst on the basis of an electrostatic spinning method and the use of the nitrogen-doped bimetallic nanofiber membrane electrocatalyst. The electrocatalyst is prepared from a mixed high-molecular polymer of a metal salt, N,N-dimethylformamide and polyacrylonitrile by means of the coordinated and confined pyrolysis transformation of a one-dimensional porous carbon nanomaterial. The method comprises: S1, preparing a FeCo-NCNF precursor solution; S2, transferring the resulting FeCo-NCNF precursor solution into a plastic injector with a stainless steel needle to perform electrostatic spinning, so as to obtain a nanofiber membrane; and S3, subjecting the obtained nanofiber membrane to high-temperature carbonization and phosphorization in sequence, so as to obtain a nitrogen-doped bimetallic nanofiber membrane electrocatalyst. In the present invention, the nitrogen-doped bimetallic nanofiber membrane electrocatalyst prepared by using the method has the advantages of a large specific surface area, a porous structure, a high nitrogen content, a great number of active sites, etc., and therefore the catalytic performance of the electrocatalyst is improved.
Resumen de: US2025257415A1
A hydrogen-rich blast furnace ironmaking system based on mass-energy conversion, comprising a water electrolysis system (2). The water electrolysis system (2) is separately connected to a hydrogen storage tank (3) and an oxygen storage tank (4); a gas outlet of the hydrogen storage tank (3) is connected to a hydrogen compressor (5); an outlet of the hydrogen compressor (5) is connected to a hydrogen buffer tank (6); the hydrogen buffer tank (6) is connected to a hydrogen injection valve group (7); the hydrogen injection valve group (7) is connected to a hydrogen preheating system (8); and the hydrogen preheating system (8) is connected to a tuyere of a blast furnace body (1) or a hydrogen injector at the lower portion of the furnace body.
Resumen de: WO2025168858A1
The present invention relates to a high-efficiency hydrogen electrolyser consisting of a single casing containing four inner cavities having identical cubic capacity which are intercommunicated at the top to share a common gas outlet and which may also be intercommunicated at mid-height to share filler material. At the bottom of each cavity there is a solid bar longitudinally arranged such that the upper bar serves as a cathode and the lower bar serves as an anode, resulting in the optimisation of the electrolysis system by adding acidified water and providing DC power supply.
Resumen de: EP4600283A1
The subject disclosure relates to a crosslinked copolymer that has outstanding ion exchange capacity, exhibits high ion conductivity and water content under diverse temperature conditions, and features high density, low hydrogen permeability, and excellent thermal and oxidative stability, making it well-suited as an anion exchange membrane for water electrolysis to produce high-purity hydrogen and oxygen
Resumen de: EP4600408A1
An anode for electrolysis in which electrolysis performance is less likely to deteriorate even when electric power having a large output fluctuation, such as renewable energy, is used as a power source and in which excellent catalytic activity is stably maintained for a long period of time is provided. The anode for electrolysis 10 includes a conductive substrate 2 in which at least a surface of the conductive substrate 2 is formed of nickel or a nickel-based alloy; and a first layer 4 formed on the surface of the conductive substrate 2, the first layer 4 being capable of functioning as a catalyst layer containing a lithium-containing nickel cobalt oxide represented by a composition formula LixNiyCo2O4 (0.05 ≤ × ≤ 1.0, 1.0 ≤ y ≤ 2.0, 1.0 ≤ z ≤ 2.0, and x + y + z = 2 to 3).
Resumen de: WO2024129246A1
Herein discussed is a method of producing hydrogen comprising: (a) providing an electrochemical reactor having an anode, a cathode, and a membrane between the anode and the cathode, wherein the membrane conducts both electrons and protons, wherein the anode and cathode are porous; (b) introducing a first stream to the anode, wherein the first stream comprises ammonia or a cracked ammonia product; and (c) extracting a second stream from the cathode, wherein the second stream comprises hydrogen, wherein the first stream and the second stream are separated by the membrane.
Resumen de: EP4600203A1
The present disclosure provides an improved ammonia-producing plant and process for the simultaneous production of hydrogen and ammonia as end products, by integrating a hydrogen separation unit into an ammonia-producing plant. More in particular, the present disclosure provides an ammonia production plant comprising (a) a reforming section, (b) a purification section, downstream of the reforming section, and (c) an ammonia synthesis section, downstream of the purification section, wherein the plant further comprises (d) a hydrogen separation unit, wherein the hydrogen separation unit has an inlet for a hydrogen-containing gas stream, a first outlet for a pure hydrogen gas and a second outlet for a tail gas, particularly wherein the inlet of the hydrogen separation unit is in fluid communication with a hydrogen-containing gas stream in the purification section and/or in the ammonia synthesis section, and/or with a hydrogen-containing gas stream between the purification section and the ammonia synthesis section of the ammonia production plant, and, particularly, wherein the second outlet is in fluid communication with the reforming section and/or with the purification section of the ammonia production plant.
Resumen de: WO2024074817A1
An ammonia cracker module for converting ammonia into hydrogen is provided. The ammonia cracker module includes: (i) a heat exchange reactor including: (a) a first reaction zone including: a first working fluid flowpath; a first reactant flowpath; and one or more heat exchange interfaces positioned between the first working fluid flowpath and first reactant flowpath; (b) a second reaction zone including: a second working fluid flowpath; a second reactant flowpath; and one or more heat exchange interfaces positioned between the second working fluid flowpath and second reactant flowpath; (c) a catalyst positioned to contact reactant fluid flowing through the first and second reactant flowpaths to convert ammonia flowing through the first and second reactant flowpaths into hydrogen; and (ii) a heating system including: a first heat source, configured to heat working fluid to create a first heated working fluid to enter the first working fluid flowpath; and a second heat source, configured to receive a first thermally depleted working fluid from the first working fluid flowpath and output a second heated working fluid to the second working fluid flowpath when the cracker module is in use. A method of producing hydrogen using an ammonia cracker is also provided.
Resumen de: EP4600407A2
An electrolysis system (10) includes: an electrolysis cell (20) configured to generate hydrogen by high-temperature steam electrolysis; a steam generation unit (30) that has a refrigerant heat exchange unit configured to perform heat exchange between heat of a heat storage unit and a refrigerant, generates a steam by heating raw material water via the refrigerant subjected to the heat exchange in the refrigerant heat exchange unit, and supplies the steam to the electrolysis cell; a heat storage supply unit (50) that has the heat storage unit and configured to supply heat of the heat storage unit to the refrigerant heat exchange unit; and a control unit (70) configured to control the heat storage supply unit such that an amount of heat input to the refrigerant heat exchange unit is smaller during a system startup or during a high-temperature standby than during a normal operation.
Resumen de: KR20200094876A
The present invention relates to a solid oxide fuel cell and a solid oxide electrolysis cell. According to the present invention, the solid oxide fuel cell and the solid oxide electrolysis cell comprises, respectively; a flat tubular unit cell (100) having a plurality of tubular through-holes (111a, 111b) for transferring fuel gas formed in a longitudinal direction; an upper cap (200) coupled to one longitudinal end of the flat tubular unit cell (100) and blocking one end of the flat tubular unit cell (100) from the outside while communicating the plurality of tubular through-holes (111a, 111b) with each other; a cell lower slit (300) coupled to the other longitudinal end of the flat tubular unit cell (100), having an opening part (320) opening the plurality of tubular through-holes (111a, 111b) formed therein, and having an insertion groove (330) formed on a lower surface; and a manifold (400) coupled to the cell lower slit (300), having spaces (420, 430) formed therein to communicate with the plurality of tubular through-holes (111a, 111b), including a reaction gas inlet (450) through which the fuel gas is supplied and a reaction gas outlet (460) through which the fuel gas reacting with air is discharged, and dividing the spaces (420, 430) and the plurality of tubular through-holes (111) into halves to form the flow of fuel gas in a U-shape. Accordingly, since a flat tubular unit cell and a flat planar unit cell are divided into halves, respectively, inflow and outflow of t
Resumen de: WO2024112460A1
Herein discussed is a method of co-producing carbon monoxide and hydrogen comprising: (a) providing an electrochemical reactor having an anode, a cathode, and a mixed-conducting membrane between the anode and the cathode; (b) introducing a first stream to the anode, wherein the first stream comprises a fuel; (c) introducing a second stream to the cathode, wherein the second stream comprises carbon dioxide and water, wherein carbon monoxide is generated from carbon dioxide electrochemically and hydrogen is generated from water electrochemically. In an embodiment, the anode and the cathode are separated by the membrane and are both exposed to reducing environments during the entire time of operation.
Resumen de: EP4600236A1
A hydrocarbon generation system (1) includes a hydrocarbon generator (2, 21, 22), an electrolyzer (3), a water vapor supply line (4), and a heat exchanger (51). The hydrocarbon generator generates hydrocarbon through an exothermic reaction between a carbon oxide gas and hydrogen. The electrolyzer generates hydrogen from water vapor of raw materials, the generated hydrogen being supplied to the hydrocarbon generator. The water vapor supply line generates the water vapor of the raw materials by evaporating liquid water of the raw materials and supplies the generated water vapor to the electrolyzer. The heat exchanger uses heat of a reaction generated in the hydrocarbon generator to evaporate the liquid water of the raw materials in the water vapor supply line via heat transfer oil.
Resumen de: WO2024076575A1
A method can include: processing precursors, electrochemically oxidizing sulfur dioxide, processing sulfuric acid and hydrogen, and/or any suitable steps. An electrolyzer can include an anode, a cathode, and a separator. The anode can include an anolyte, an electrode, an anolyte reaction region, and/or any suitable components. The cathode can include a catholyte, an electrode, a catholyte reaction region, and/or any suitable components.
Resumen de: US2025250695A1
A platform technology that uses a novel membrane electrode assembly, including a cathode layer, an anode layer, a membrane layer arranged between the cathode layer and the anode layer, the membrane conductively connecting the cathode layer and the anode layer, in a COx reduction reactor has been developed. The reactor can be used to synthesize a broad range of carbon-based compounds from carbon dioxide and other gases containing carbon.
Resumen de: US2025250698A1
Disclosed herein are a catalyst for a hydrogen evolution reaction, a water electrolysis electrode including the same, and a method of manufacturing the same, wherein the catalyst can be manufactured at room temperature, and catalyst diversity can be given through an alloy structure including ruthenium and two or more metals. According to the present disclosure, the catalyst can be manufactured at room temperature due to characteristics of an electroplating manufacturing method, and the catalyst diversity can be given through the alloy structure that includes ruthenium and two or more metals.
Resumen de: JP2025116859A
【課題】シート状チタン多孔質を高効率で、かつ歩留まり良く製造可能な方法を提供すること。【解決手段】この製造方法は、少なくとも一つの貫通孔を有する少なくとも一つのステージ、少なくとも一つのステージを囲み、少なくとも一つのステージから離隔するフレーム、および少なくとも一つのステージとフレームを互いに連結する少なくとも一つの連結部を備える治具上に、少なくとも一つの貫通孔および少なくとも一つのステージとフレーム間の隙間を覆うように、チタン多孔質体を含むマザーシートを配置すること、マザーシートを治具上に吸着すること、ならびに隙間に沿って、ファイバレーザから射出されるレーザ光をマザーシート上で走査することによってマザーシートを切断することを含む。【選択図】図６Ｂ
Resumen de: WO2024142618A1
A gasket device (1) comprises a gasket (2) and a spacer (3). The spacer (3) supports separators (101, 102) which are members facing each other and an electrolyte membrane (104) between the separators (101, 102) and the electrolyte membrane (104) such that the separators (101, 102) and the electrolyte membrane (104) face each other via spaces (100a, 100b). The gasket (2) surrounds the space (100a) or the space (100b) between the separator (101) or the separator (102) and the electrolyte membrane (104). Moreover, the spacer (3) surrounds the gasket (2) from the outer side between the separators (101, 102) and the electrolyte membrane (104). The gasket (2) and the spacer (3) are in contact with each other in the expanding direction of the spaces (100a, 100b).
Resumen de: WO2025165039A1
The present invention relates to a high-efficiency hydrogen production system by a direct air capture method using renewable energy. According to an embodiment of the present invention, the high-efficiency hydrogen production system comprises: a direct air capture device in which a chemical reaction occurs when an alkaline liquid mixture containing a specific component, such as potassium hydroxide or sodium hydroxide, is brought into contact with air, to capture carbon dioxide from the air; an electrolysis tank into which pure water and the sodium carbonate or potassium carbonate solution generated in the process of the chemical reaction for capturing carbon dioxide in the direct air capture device are introduced and then electrolyzed by using renewable energy including solar or wind power generation energy, to generate a gas containing hydrogen and a liquid containing potassium hydroxide or sodium hydroxide and separate and extract the generated gas and liquid; a gas storage tank in which the gas separated and extracted from the electrolysis tank is stored; and a liquid storage tank in which the remaining liquid after the gas is separated and extracted from the electrolysis tank is stored and potassium hydroxide or sodium hydroxide contained in the liquid is reintroduced into the direct air capture device.
Resumen de: CN119604469A
The present invention relates to a method for manufacturing an electrocatalyst for alkaline water electrolysis, said method comprising the steps of: (i) generating an aqueous electrolyte comprising suspended graphene and graphite nanoplatelets having lt in an electrochemical cell; the present invention relates to an electrolytic cell having a thickness of 100 nm, where the electrolytic cell comprises: a graphite negative electrode, (b) a graphite positive electrode, (c) an aqueous electrolyte comprising ions in a solvent, the ions comprising cations and anions, where the anions comprise sulfate anions; and wherein the method comprises the step of passing an electric current through the electrolysis cell to obtain exfoliated graphene and graphite nanosheet structures in the aqueous electrolyte in an amount greater than 5 g/l; (ii) forming an electroplating bath (2) comprising suspended graphene and graphite nanoplatelets in an amount greater than 2 g/l, said acidic electroplating bath comprising an aqueous solution of nickel sulfate and an electroplating solution comprising suspended graphene and graphite nanoplatelets in an amount greater than 5 g/l (thickness lt; 100 nm) of an aqueous electrolyte of step (i); and (iii) electrodepositing a combined layer of Ni or Ni alloy with graphene and graphite particles from the electroplating bath on a support to form an electrocatalyst.
Resumen de: WO2025164073A1
Provided is a hydrogen production system (100) which comprises: an electrolysis module (19) that supplies steam to a hydrogen electrode and produces hydrogen through steam electrolysis; a steam supply unit (20) that supplies steam to a hydrogen electrode (11); an air supply unit (70) that supplies air to an oxygen electrode (12); a hydrogen supply pipe (43) that supplies hydrogen to the oxygen electrode (12); a power supply unit (18) that supplies power to the electrolysis module (19); and a control device (80) that controls the hydrogen production system (100). The control device (80) controls the power supply unit (18) so as to start supplying power to the electrolysis module (19) in response to the temperature of the electrolysis module (19) exceeding Temp4 that is lower than the ignition temperature of hydrogen.
Resumen de: WO2025163609A1
The present invention provides a multipurpose integrated passive system (20) for converting green energy comprising a renewable energy conversion module (1) to generate electricity, a water and gas management module (3) to supply water to the water electrolyser (4), a water electrolyser (4) connected with one or more potassium hydroxide (KOH) tank (4a, 4b), is configured to split water into hydrogen gas and oxygen gas and said gases are separately directed into the storage assembly (5). The storage assembly (5) include a plurality of gas storage tanks (5a, 5b) for separately storing the gases and a plurality of valves for controlling the flow of said gases, a burner assembly (6) include a hydrogen burner (7), wherein the hydrogen gas from the gas storage tank (5a) is delivered to the hydrogen burner (7), and a controller (2) configured to ensures to safety and efficiency of the multipurpose integrated passive system (20).
Resumen de: WO2025162048A1
The present application belongs to the technical field of hydrogen production by water electrolysis, and particularly relates to an oxygen evolution reaction catalyst, a preparation method therefor, and the use thereof. The present application uses the hydrolysis effect of metal positive ions in a hydrolysable metal salt solution to make a weakly-acidic heterogeneous soaking system, which slowly acts on the surface of a metal substrate, thereby partially etching the surface of the metal substrate while removing metal oxides on the surface; on the surface of the substrate, metal ions generated by the etching bind to metal ions generated by hydrolysis, so as to form an LDH catalyst structure, ensuring a relatively high catalytic activity thereof. Moreover, under an interface-confined effect, a compact transition layer structure is slowly formed at the interface between the metal substrate and the catalyst layer; as a bridge of the metal substrate and the catalyst layer, said transition layer has the same structure as that of the LDH, but exhibits a more compact appearance and totally covers the surface of the metal substrate, so as to firmly anchor the LDH catalytic structure layer onto the surface of the metal substrate, thereby allowing the OER catalyst to have high activity and high stability under the condition of an industrial-level current density.
Resumen de: US2025250688A1
An electrolysis system includes: an electrolysis cell configured to generate hydrogen by high-temperature steam electrolysis; a steam generation unit that has a refrigerant heat exchange unit configured to perform heat exchange between heat of a heat storage unit and a refrigerant, generates a steam by heating raw material water via the refrigerant subjected to the heat exchange in the refrigerant heat exchange unit, and supplies the steam to the electrolysis cell; a heat storage supply unit that has the heat storage unit and configured to supply heat of the heat storage unit to the refrigerant heat exchange unit; and a control unit configured to control the heat storage supply unit such that an amount of heat input to the refrigerant heat exchange unit is smaller during a system startup or during a high-temperature standby than during a normal operation.
Resumen de: US2025250696A1
Hydrogen is produced using high temperature heat from a progressive heat collection system that utilizes sun and air for collection and transfer of heat. Thermal energy from the sun superheats the water into steam and also powers a Stirling engine based electrical generator for operating a high temperature steam electrolyzer.
Resumen de: US2025250695A1
A platform technology that uses a novel membrane electrode assembly, including a cathode layer, an anode layer, a membrane layer arranged between the cathode layer and the anode layer, the membrane conductively connecting the cathode layer and the anode layer, in a COx reduction reactor has been developed. The reactor can be used to synthesize a broad range of carbon-based compounds from carbon dioxide and other gases containing carbon.
Resumen de: US2025250594A1
Compositions and methods for a hybrid biological and chemical process that captures and converts carbon dioxide and/or other forms of inorganic carbon and/or CI carbon sources including but not limited to carbon monoxide, methane, methanol, formate, or formic acid, and/or mixtures containing CI chemicals including but not limited to various syngas compositions, into organic chemicals including biofuels or other valuable biomass, chemical, industrial, or pharmaceutical products are provided. The present invention, in certain embodiments, fixes inorganic carbon or CI carbon sources into longer carbon chain organic chemicals by utilizing microorganisms capable of performing the oxyhydrogen reaction and the autotrophic fixation of CO2 in one or more steps of the process.
Resumen de: US2025250164A1
The invention relates to a photocatalytic unit for the production of hydrogen from water, comprising: (i) a photoreactor comprising a plurality of tubes, wherein said tubes internally comprise a photocatalyst, and are adapted for internally conducting a stream of water vapor; and absorbing external solar radiation focused on said tubes; and (ii) a plurality of solar reflectors adapted for concentrating incident solar radiation on the tubes of the photoreactor. Advantageously, the tubes of the photoreactor are arranged in a plane substantially perpendicular to the ground, and the solar reflectors w are arranged at both sides of said plane. The invention also relates to a solar plant for generating hydrogen comprising, at least, one photocatalytic unit according to any of the embodiments herein described, and a water vapor stream source connected to the photocatalytic unit.
Resumen de: WO2025165433A2
An integrated energy system comprising a power plant including at least one nuclear reactor and electrical power generation system, the at least one nuclear reactor being configured to generate steam, and the electrical power generation system being configured to generate electricity, a desalination system configured to receive at least a portion of the electricity and steam to produce brine, an electrolysis process configured to process the brine into Sodium Hydroxide (NaOH), a Sodium Formate (HCOONa) production process configured to receive the Sodium Hydroxide (NaOH) to produce Sodium Formate (HCOONa), a Hydrogen (H2) extraction reactor configured to receive the Sodium Formate (HCOONa) and produce Hydrogen (H2), and a fuel cell configured to receive the Hydrogen (H2).
Resumen de: WO2025165427A1
Herein discussed is a method of carbon capture comprising providing a reactor having an anode, a cathode, and an electrolyte between and in contact with the anode and the cathode, wherein the electrolyte conducts oxide ions and electrons; introducing a carbonaceous gas to the anode; introducing steam and hydrogen (H2) or carbon dioxide (CO2) and carbon monoxide (CO) to the cathode, wherein steam or CO2 is the dominant component; producing carbon dioxide (CO2) at the anode, wherein the CO2 partial pressure is greater than 18 kPa in the anode exhaust; and producing H2 or CO or both at the cathode. In an embodiment, the anode exhaust has a pressure of from 1 atm to 5 atm. In an embodiment, the CO2 content in the anode exhaust is from 20vol% to 100vol%.
Resumen de: WO2025165039A1
The present invention relates to a high-efficiency hydrogen production system by a direct air capture method using renewable energy. According to an embodiment of the present invention, the high-efficiency hydrogen production system comprises: a direct air capture device in which a chemical reaction occurs when an alkaline liquid mixture containing a specific component, such as potassium hydroxide or sodium hydroxide, is brought into contact with air, to capture carbon dioxide from the air; an electrolysis tank into which pure water and the sodium carbonate or potassium carbonate solution generated in the process of the chemical reaction for capturing carbon dioxide in the direct air capture device are introduced and then electrolyzed by using renewable energy including solar or wind power generation energy, to generate a gas containing hydrogen and a liquid containing potassium hydroxide or sodium hydroxide and separate and extract the generated gas and liquid; a gas storage tank in which the gas separated and extracted from the electrolysis tank is stored; and a liquid storage tank in which the remaining liquid after the gas is separated and extracted from the electrolysis tank is stored and potassium hydroxide or sodium hydroxide contained in the liquid is reintroduced into the direct air capture device.
Resumen de: WO2025164180A1
This composite comprises a molybdenum compound and a noble metal. The molybdenum compound is at least one compound selected from the group consisting of molybdenum sulfide and molybdenum carbides, and the noble metal is at least one metal selected from the group consisting of platinum and palladium.
Resumen de: WO2025162027A1
Disclosed in the present application are an electrode plate frame and an electrolytic bath, which relate to the technical field of electrolytic hydrogen production and are used for solving the problem of leakage at the joint of an electrode plate frame and an external pipeline. The electrode plate frame comprises an annular frame body, one or more fluid inlets/outlets being formed in the outer circumferential surface of the annular frame body, and mounting holes being formed in the positions on the outer circumferential surface of the annular frame body around each fluid inlet/outlet, such that each fluid inlet/outlet and the corresponding mounting holes form a flange structure to be connected to an external pipeline. Compared with the existing practice of welding a pipeline at fluid inlet/outlets, the fluid inlets/outlets in the annular frame body of the present application do not need welding and have no welding spot, thereby preventing generation of stress corrosion, further preventing the phenomenon of galvanic corrosion caused by a welding material being different from materials of a pipeline and an electrode plate frame during welding, and reducing the risk of leakage at the joint of the electrode plate frame and the external pipeline.
Resumen de: WO2025161658A1
A system and method for co-producing green sodium carbonate and ammonium chloride by using renewable energy sources. The system comprises a renewable energy source power generation subsystem, a water electrolysis subsystem, an air separation subsystem, an ammonia synthesis subsystem, a tail-gas pretreatment subsystem, a waste-salt pretreatment subsystem and a sodium carbonate synthesis subsystem. By utilizing renewable wind and solar energy to generate electricity for electrolytic hydrogen production and air separation, the impact of renewable energy power generation on a power grid and the difficulty in balancing the fluctuating power supply of the power grid are solved, on-site consumption of green power is achieved, the green power is converted on site into green products with economic value added, and stable operation of a green electricity-green hydrogen-green chemical production line is achieved; and industrial waste salts and the industrial emissions of carbon dioxide tail gas are used as green raw materials for sodium carbonate, and are integrated with carbon tail gas and industrial waste salts discharged by industrial enterprises in the vicinity, and resource utilization of waste is conducted, thereby reducing carbon emissions and also realizing a green circular economy.
Resumen de: AU2024239221A1
This hydrogen production system is provided with: a solid oxide electrolytic cell (SOEC) that electrolyzes water vapor; a power supply device that applies a voltage equal to or greater than a thermal neutral voltage to the SOEC; and a water vapor generation device that generates at least a portion of water vapor to be supplied to the SOEC by heating water using surplus heat generation of the SOEC.
Resumen de: US2025250686A1
A water electrolysis device includes a water electrolysis module that generates hydrogen by water vapor electrolysis. The water electrolysis device includes: a blower configured to supply hydrogen to the water electrolysis module; a recycle passage configured to supply generated hydrogen generated by the water electrolysis module from the water electrolysis module to an intake port of the blower; a condenser configured to condense water vapor contained in the generated hydrogen; and a temperature increasing portion configured to increase a temperature of the generated hydrogen between the condenser and the blower.
Resumen de: US2025250187A1
The present disclosure describes a process for producing a reducing liquid comprising providing a liquid; providing a reducing gas and/or a metasilicate; and infusing the reducing gas and/or the metasilicate to the liquid, for the reducing gas and/or metasilicate to react with the liquid to produce a reducing liquid that has an oxidation reduction potential (ORP) value of about −100 mV or more negative. Further described is the process for preparing a reducing gas, which includes the steps of preparing an activator, introducing the activator into an electrolytic reactor, adding water, and applying a direct current to produce the reducing gas. Also described is a system for producing a reducing liquid.
Resumen de: US2025253377A1
The invention relates to an electrochemical cell assembly including a first end plate assembly, a stack of cell repeat units, and a second end plate assembly. The stack is held in a compressed state between the first end plate assembly and the second end plate assembly. The first end plate assembly and/or the second end plate assembly each include an end plate. The electrochemical cell assembly includes an insulation plate located between the end plate and the stack. At least one through-hole is provided in the insulation plate and a sealing insert is provided in the at least one through-hole of the insulation plate, the sealing insert defining a fluid pathway along the stacking direction. The invention also relates to an end plate assembly and a method of manufacturing an electrochemical cell assembly.
Resumen de: WO2025162564A1
A control system for a hydrogen production system is proposed. The hydrogen production system includes a plurality of electrolyzers and a plurality of converter modules each of which is coupled to one or more of the plurality of electrolyzers. The control system includes: a plurality of local controllers each of which is coupled with one or more of the plurality of converter modules and one more of the plurality of the electrolyzers; and a system controller in communication with the plurality of local controllers. The system controller is configured to receive an external dispatch value and electrolyzer state information regarding states of the plurality of electrolyzers, and to determine internal dispatch values for one or more electrolyzer from the plurality of electrolyzers based on the external dispatch value and the electrolyzer state information. A least one local controller from the plurality of local controllers associated with the one or more electrolyzers is configured to receive the internal dispatch values from the system controller, and to control operations of the one or more electrolyzers according to the internal dispatch values.
Resumen de: WO2025162555A1
The present disclosure relates to a method for producing a purified oxygen-containing stream, the method comprising: heating a Solid Oxide Electrolyzer Cells (SOEC) unit to a SOEC operating temperature; providing a water source or a steam source at a water source or steam source temperature; heating the water source or the steam source to produce a steam stream at a steam stream temperature; providing a sweep gas at a sweep gas temperature; feeding the steam stream and the sweep gas to the SOEC unit to produce an oxygen-containing stream and a hydrogen-containing stream; cooling the oxygen-containing stream to a temperature in the range of about 20°C to about 100°C, preferably about 40°C to about 60°C, more preferably about 44°C to about 55°C, and even more preferably about 50°C; and, after the cooling step, purifying the oxygen-containing stream to produce the purified oxygen-containing stream The present disclosure also relates a system for producing a purified oxygen-containing stream.
Resumen de: WO2025163393A1
A hydrogen production facility is disclosed, comprising: a plurality of electrolysis systems to electrolyze water using lye; and a mutualized lye circulation system coupled with the plurality of electrolysis systems to circulate the lye among the plurality of electrolysis systems to facilitate electrolyzing the water, the lye circulation system comprising one or more pumps, wherein a number of the one or more pumps is less than a number of electrolysis systems of the plurality of electrolysis systems. A hydrogen production facility comprising first and second modular structures is also disclosed.
Resumen de: WO2025163482A1
Process for the production of syngas from carbonaceous waste material and CO2 comprising the following stages: a stage a) comprising the reaction R1 in which the carbonaceous material is reacted with carbon dioxide to obtain carbon monoxide according to the following reaction scheme: R1 CO2 + C = 2 CO; a stage b) of producing H2 and adding it to the carbon monoxide obtained in stage a) to obtain syngas, wherein stage b) comprises at least one of the following stages: bl) the carbon monoxide from the previous stage is reacted with water vapour to obtain carbon dioxide and hydrogen according to the following reaction scheme: R2 CO + H2O = CO2 + H2 b2) producing hydrogen by means of electrolysis of water, which is added to the carbon monoxide from stage a). The invention also relates to the unit in which stages a) and bl) are conducted as well as the related apparatus comprising the aforementioned unit.
Resumen de: WO2025163136A1
A method for controlling a green hydrogen production system (100; 100'), comprising geographically distributed power generating nodes (10, 300; 300') each having at least one node center (320; 320.1, 320.2, 320.3, 320.4) and at least one electrolyzer (13) for generating green hydrogen within the system from the produced electrical energy, wherein each the power generating node (10, 300; 300') comprises multiple PV units (12; 312) and multiple wind turbine generators (WTG) (11; 301...316) as power generating units and wherein the multiple wind turbine generators units (WTG) (11; 301...316) are located in geographically dispersed sites surrounding the node center(s) (320; 320.1, 320.2, 320.3, 320.4), wherein the installed capacity (IC) of the electrolyzer (13) and all other energy consuming devices in the system is smaller than the sum of maximum capacities (MG) of all PV units (12; 312) and wind turbine generators (11; 301...316) available for operation together, wherein the method comprises at least the following steps: a) an energy demand value (EDV) of electrical power required for constantly operating the electrolyzer and other consumers is defined wherein EDV < IC; b) weather conditions in proximity of the power generating units and in windward direction of the PV units (312) are constantly monitored; c) based on weather conditions acquired from monitoring, an expected energy yield value (EEY) is calculated separately for each type of power generating unit and/or for each
Resumen de: WO2025163032A1
The invention relates to an electrolysis device (10) for generating hydrogen from water using an electric current, having a cell stack (11) comprising a plurality of cell stack elements (12) in the form of electrolysis cells; a first pressure sensor (28) for detecting a first hydrogen-side pressure; a second pressure sensor (29) for detecting a second hydrogen-side pressure; and a control device (30) which checks whether the electrolysis device (10) has a leak on the basis of the first pressure measured by the first pressure sensor (28), the second pressure measured by the second pressure sensor (29), and the electric current applied to the electrolysis device (10) for the electrolysis process.
Resumen de: WO2025162963A1
The invention relates to a system consisting of a plurality of electrolysis devices (10), which are accommodated in a frame or shelf (19), for generating hydrogen from water using an electric current. Each electrolysis device (10) has at least the following: a cell stack (11) consisting of a plurality of cell stack elements (12) in the form of electrolysis cells; end plates (14, 15) lying opposite each other, wherein the cell stack (11) consisting of the cell stack elements (12) is provided and compressed between the end plates (14, 15); at least one water supply connection (16) which is formed on the end plates (14, 15) and via which water can be supplied to the respective electrolysis device (10); and at least one water discharge connection (17) which is formed on the end plates (14, 15) and via which water and oxygen can be discharged from the respective electrolysis device (10). At least one pre-separator (20) for oxygen is installed on the frame or shelf (19) and/or in the frame or shelf (19) and/or in the immediate vicinity of the frame or shelf (19) in order to separate oxygen from the water discharged from the electrolysis devices (10).
Resumen de: WO2025163031A1
Aspects of the present disclosure relate to a hydrogen production facility. The hydrogen production facility includes one or more electrolyser stacks to electrolyze water using an electrolyte and generate a hydrogen-aqueous solution mixture and an oxygen-aqueous solution mixture, the one or more electrolyser stacks comprising a plurality of membranes. The facility also includes a hydrogen separator to produce a flow of hydrogen from the hydrogen-aqueous solution mixture and an oxygen separator to produce a flow of oxygen from the oxygen-aqueous solution mixture. The hydrogen separator comprises a hydrogen gas-liquid separation device and a hydrogen coalescing device. The oxygen separator comprises an oxygen gas-liquid separation device and an oxygen coalescing device.
Resumen de: WO2025163034A1
A hydrogen production facility is disclosed, comprising a plurality of electrolyser stacks arranged for electrolyzing water using an electrolyte and for generating at least a hydrogen-aqueous solution mixture; and a hydrogen separator arrangement for producing a flow of hydrogen from the hydrogen-aqueous solution mixture; wherein the hydrogen separator arrangement comprises a plurality of first stage hydrogen collector separators, the first stage hydrogen collector separators being fluidly coupled to a respective sub-set of the plurality of electrolyser stacks; and wherein the plurality of first stage hydrogen collector separators are fluidly coupled to a downstream hydrogen buffer vessel. A related method is further disclosed.
Resumen de: MX2025004437A
Electrochemical cell system (100) which comprises an electrochemical cells arrangement (10), a control unit (20) configured to operate the electrochemical cells arrangement (10) only as electrolytic cells or only as fuel cells, a heat unit (40), external to the electrochemical cells arrangement (10), which is thermally coupled to the electrochemical cells arrangement (10) and which is configured to alternately store heat from the electrochemical cells arrangement (10) to the heat unit (40) and supply heat from the heat unit (40) to the electrochemical cells arrangement (10), and a transfer arrangement (30) configured to alternately transfer heat from the electrochemical cells arrangement (10) to the heat unit (40) and from the heat unit (40) to the electrochemical cells arrangement (10).
Resumen de: CN119866558A
The invention relates to a power plant (1) comprising two units (A) and (B), a first unit (A) and a second unit (B), located in two separate industrial sites, having:-the first unit (A) comprising a synthesis device (8) capable of producing methane or methanol (15) from hydrogen (2) and carbon dioxide (4) originating from the second unit (B), and-a second unit (B) comprising fuel cell means (5) that can be supplied with electric current (1) by methane or methanol (15) originating from the first unit (A) and an anode gas stream (6) comprising carbon dioxide, said fuel cell means being combined with collecting means (7) for collecting carbon dioxide (17) in the anode stream (6) intended for the first unit (A).
Resumen de: EP4596755A1
A hydrogen production facility is disclosed, comprising: a plurality of electrolysis systems to electrolyze water using lye; and a mutualized lye circulation system coupled with the plurality of electrolysis systems to circulate the lye among the plurality of electrolysis systems to facilitate electrolyzing the water, the lye circulation system comprising one or more pumps, wherein a number of the one or more pumps is less than a number of electrolysis systems of the plurality of electrolysis systems. A hydrogen production facility comprising first and second modular structures is also disclosed.
Resumen de: WO2024073537A2
A hydrogen-rich hydrocarbon fuel gas can be separated into a methane fuel stream and a hydrogen product stream. The methane fuel stream can be fed to a methane fuel fired furnace, combustion of the methane fuel stream can produce a carbon-dioxide-rich flue gas, and a carbon capture process can be performed on the carbon-dioxide-rich flue gas. The hydrogen product stream can be fed to a hydrogen fired furnace or elsewhere. Combustion of the hydrogen product stream in a hydrogen fired furnace can generate a flue gas the is low in carbon dioxide. Electrolysis of water obtained from the hydrogen fired furnace flue gas can produce hydrogen for a desired use, such as fuel for the hydrogen fired furnace, and can produce oxygen for enriching the fuel gas fed to the methane fuel fired furnace.
Resumen de: CN119948208A
Disclosed are a membrane suitable for alkaline water electrolysis and an alkaline water electrolysis device comprising the same. A method for producing hydrogen and a method for producing a membrane for alkaline water electrolysis are also disclosed.
Resumen de: EP4596493A1
Provided is a method for producing a tantalum nitride material including a nitriding step of heating a precursor containing a lithium tantalum composite oxide in the presence of a nitrogen compound.
Resumen de: EP4596659A1
The present invention aims to provide a liquid fuel production system and a method for producing liquid fuel capable of reducing the amount of hydrogen gas used.The liquid fuel production system 1 includes: an electrolytic reduction device 2 for obtaining a mixed gas and an oxygen gas by an electrolytic reduction of carbon dioxide and water; a carbon dioxide separation device 3 for separating the carbon dioxide from the mixed gas; a water separation device 4 for separating water from the mixed gas; a cryogenic separation device 5 for separating the mixed gas into ethylene, hydrogen, and a residual off-gas; a first reaction device 6 for obtaining a first mixture by oligomerization of ethylene obtained in the cryogenic separation device; a first separation device 7 for separating light hydrocarbons from the first mixture; a second reaction device 8 for obtaining a second mixture containing liquid fuel by hydrocracking and hydroisomerizing the first mixture; and a second separation device 9 for separating the second mixture into at least liquid fuel, cracked gas, and heavy hydrocarbons.
Resumen de: EP4596757A1
A hydrogen production facility is disclosed, comprising a plurality of electrolyser stacks arranged for electrolyzing water using an electrolyte and for generating at least a hydrogen-aqueous solution mixture; and a hydrogen separator arrangement for producing a flow of hydrogen from the hydrogen-aqueous solution mixture; wherein the hydrogen separator arrangement comprises a plurality of first stage hydrogen collector separators, the first stage hydrogen collector separators being fluidly coupled to a respective sub-set of the plurality of electrolyser stacks; and wherein the plurality of first stage hydrogen collector separators are fluidly coupled to a downstream hydrogen buffer vessel. A related method is further disclosed.
Resumen de: EP4596758A1
A water electrolysis device (1) includes a water electrolysis module (2) that generates hydrogen by water vapor electrolysis. The water electrolysis device includes: a blower (7, 8) configured to supply hydrogen to the water electrolysis module; a recycle passage configured to supply generated hydrogen generated by the water electrolysis module from the water electrolysis module to an intake port of the blower; a condenser (6) configured to condense water vapor contained in the generated hydrogen; and a temperature increasing portion (18) configured to increase a temperature of the generated hydrogen between the condenser and the blower.
Resumen de: EP4596756A1
Aspects of the present disclosure relate to a hydrogen production facility. The hydrogen production facility includes one or more electrolyser stacks to electrolyze water using an electrolyte and generate a hydrogen-aqueous solution mixture and an oxygen-aqueous solution mixture, the one or more electrolyser stacks comprising a plurality of membranes. The facility also includes a hydrogen separator to produce a flow of hydrogen from the hydrogen-aqueous solution mixture and an oxygen separator to produce a flow of oxygen from the oxygen-aqueous solution mixture. The hydrogen separator comprises a hydrogen gas-liquid separation device and a hydrogen coalescing device. The oxygen separator comprises an oxygen gas-liquid separation device and an oxygen coalescing device.
Resumen de: KR20250117771A
원자력 발전 및 수소 생산을 위한 복합 운용 시스템 및 방법을 제공한다. 원자력 발전 및 수소 생산을 위한 복합 운용 시스템은 원자력 발전 및 수소 생산을 위한 복합 운용 시스템으로서, 제2 차 계통; 수전해를 수행하는 수전해부; 전력수요 변동량 정보를 제공받는 전력 그리드; 터빈 운전정보와 상기 수전해부의 운전정보를 제공하는 원자력 발전소 주제어부; 및 상기 전력수요 변동량 정보와 상기 운전정보를 기반으로, 원자력 발전과 수소 생산이 복합적으로 수행되도록 하기 위한 통합 운전제어부를 포함한다.
Resumen de: US2024059557A1
An exemplary hydrogen production apparatus 100 according to the present invention includes a grinding unit 10 configured to grind a silicon chip or a silicon grinding scrap 1 to form silicon fine particles 2, and a hydrogen generator 70 configured to generate hydrogen by causing the silicon fine particles 2 to contact with as well as disperse in, or to contact with or dispersed in water or an aqueous solution. The hydrogen production apparatus 100 can achieve reliable production of a practically adequate amount of hydrogen from a start material of silicon chips or silicon grinding scraps that are ordinarily regarded as waste. The hydrogen production apparatus thus effectively utilizes the silicon chips or the silicon grinding scraps so as to contribute to environmental protection as well as to significant reduction in cost for production of hydrogen that is utilized as an energy source in the next generation.
Resumen de: CN119317736A
An electrolyte membrane including a composite catalyst layer is provided. The membrane has a thickness of less than or equal to 100 mu m and is a single adhesive polymer membrane comprising a plurality of ion conducting polymer layers. The composite catalyst layer comprises particles of an unsupported composite catalyst dispersed in an ion conducting polymer, and the layer has a thickness in the range of from 5 mu m to 30 mu m and including 5 mu m and 30 mu m. Also provided are a catalyst coated film (CCM) incorporating the electrolyte membrane, and a method of manufacturing the electrolyte membrane.
Resumen de: CN119465247A
The invention discloses a molybdenum phosphide carbon nanosphere loaded noble metal Pt as an efficient hydrogen evolution reaction catalyst and a preparation method thereof. The preparation method of the electrochemical catalyst comprises the following steps: firstly preparing a molybdenum phosphorus carbon nanosphere precursor by a hydrothermal method, then carrying out heat treatment in a hydrogen-argon mixed gas atmosphere, and finally loading noble metal platinum by a hydrothermal method to obtain the MoP/C-Pt catalyst. According to the MoP/C-Pt catalyst prepared through the method, molybdenum phosphide carbon nanospheres serve as a carrier, Pt nano-particle aggregation is obviously inhibited through the interaction between metal and the carrier, the problems that in the electrochemical hydrogen evolution reaction, the precious metal utilization rate of the catalyst is low, and stability is poor are effectively solved, in addition, MoP has special Mo delta + and P delta-active sites, and the stability of the catalyst is improved. According to the present invention, the carbon carrier is introduced, such that the water decomposition can be catalyzed under the low potential, the conductivity of the catalyst is enhanced due to the introduction of the carbon carrier, and the catalyst can provide the excellent electro-catalysis performance especially in the acidic and alkaline electrolyte. The preparation method is simple and can be widely applied to industrial production.
Resumen de: MX2025005140A
Cell for forming an electrolyser comprising at least one diaphragm or membrane having a first side and a second side opposite the first side, a first cell plate, arranged on the first side of the diaphragm, provided with a first electrode, provided with an inlet channel for supplying or draining electrolyte to or from the electrode, provided with a first discharge channel for discharging oxygen from the electrode, at least one second cell plate, arranged on the second side of the diaphragm, provided with a second electrode and provided with a second discharge channel for discharging hydrogen from the electrode wherein the at least one first and second cell plate are made of a polymer material.
Resumen de: TW202500506A
Provided are: a carbon nanotube molded body containing carbon nanotubes, wherein the specific surface area of the carbon nanotube molded body is 700 m2/g or more, the pore distribution of the carbon nanotube molded body is 3-15 nm, the tensile strength of the carbon nanotube molded body is 45 MPa or more, and the Young's modulus of the carbon nanotube molded body is 1600 MPa or more; and a method for producing the carbon nanotube molded body. Also provided are: an electrode for electrochemical water splitting that contains the carbon nanotube molded body and platinum supported on the carbon nanotube molded body and a method for producing the same; and an electrochemical water splitting device provided with the electrode for electrochemical water splitting.
Resumen de: WO2025042413A1
A method of running a water electrolyzer that can operate on seawater without a significant voltage rise. In some embodiments, the method includes the use of specific ionomers in the catalyst layer. In some embodiments, the method involves using a Break-In Procedure. In some embodiments, the method can include periodic interruption of the voltage to the AEM electrolyzer.
Resumen de: SA523440970B1
An energy storage system 10 converts variable renewable electricity (VRE) to continuous heat at over 1000°C. Intermittent electrical energy heats a solid medium. Heat from the solid medium is delivered continuously on demand. An array of bricks incorporating internal radiation cavities 4601 is directly heated by thermal radiation. The cavities 4601 facilitate rapid, uniform heating via reradiation. Heat delivery via flowing gas establishes a thermocline which maintains high outlet temperature throughout discharge. Gas flows through structured pathways within the array, delivering heat which may be used for processes including calcination, hydrogen electrolysis, steam generation, and thermal power generation and cogeneration. Groups of thermal storage arrays 209 may be controlled and operated at high temperatures without thermal runaway via deep-discharge sequencing. Forecast-based control enables continuous, year-round heat supply using current and advance information of weather and V
Resumen de: CN118086964A
The invention belongs to the technical field of water electrolysis hydrogen production, and particularly relates to a water oxidation catalyst and a preparation method and application thereof. According to the method, a weak acid heterogeneous soaking system is manufactured through the hydrolysis effect of metal cations in a hydrolyzable metal salt solution, a slow action is conducted on the surface of the metal substrate, and the surface of the metal substrate can be partially etched while metal oxides on the surface are removed; the etched metal ions and the hydrolyzed metal ions are combined on the surface of the substrate to form an LDH catalyst structure, so that relatively high catalytic activity of the LDH catalyst structure is ensured; meanwhile, under the interface confinement effect, a compact transition layer structure is slowly formed on the interface of the metal substrate and the catalyst layer. The transition layer is used as a bridge between the metal substrate and the catalyst layer, has the same structure as LDH, is more compact in morphology, and completely covers the surface of the metal substrate, so that the LDH catalytic structure layer is firmly anchored on the surface of the metal substrate, and the OER catalyst has high activity and high stability under the condition of industrial current density.
Resumen de: AU2023396734A1
The present invention relates to an ammonia decomposition catalyst and a method for producing same and, more specifically, to an ammonia decomposition catalyst containing alumina (Al
Resumen de: US2023373882A1
The invention relates to a process, catalysts, materials for conversion of renewable electricity, air, and water to low or zero carbon fuels and chemicals by the direct capture of carbon dioxide from the atmosphere and the conversion of the carbon dioxide to fuels and chemicals using hydrogen produced by the electrolysis of water.
Resumen de: US2025242312A1
The present disclosure is directed to a molybdenum iron composition that includes 55 to 60 weight percent MoFe2, 33 to 37 weight percent Mo5.08Fe7.92, and 5 to 10 weight percent MoO3 based on the total weight of the composition. The composition is in the form of nanosheets. A nanocomposite membrane including the molybdenum iron composition is also provided. The nanocomposite membrane includes 0.01 to 0.5% molybdenum iron composition by weight uniformly distributed in a polyvinylidene fluoride polymeric matrix based on a total weight of the nanocomposite membrane. The nanocomposite membrane of the present disclosure finds application in filtration of a contaminated feed mixture and for generating hydrogen.
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: US2025243594A1
An embodiment may provide a metal-positive ion-MXene nanosheet hybrid composite. According to the embodiment, by providing a hybrid composite composed of metal particles/positive ions/MXene nanosheets, there is a feature that may provide a hydrogen evolution reaction catalyst having excellent electrochemical performance with a high current value and low overvoltage.
Resumen de: US2025243589A1
To provide a water electrolysis cell which reduces the concentration of hydrogen reaching the oxygen generating electrode side before the concentration increases with a simple configuration. An electrolyte membrane, a catalyst layer, and a separator for flowing a fluid are provided. A water electrolytic cell for generating hydrogen and oxygen by supplying water and applying a voltage, wherein a hydrogen reaction catalyst for promoting a reaction between hydrogen and oxygen is provided at a site where oxygen generated and residual water flow on the surface of the separator on the oxygen generating electrode side.
Resumen de: US2025243590A1
The invention relates to a novel frame for a PEM electrolysis cell and for a PEM electrolysis cell stack. The subject matter of the invention is the frame, a PEM electrolysis cell and stack-type PEM electrolysis devices, which comprise the frame according to the invention, preassembled components and methods for producing preassembled components and stack-type PEM electrolysis devices. The frame, PEM electrolysis cell and stack-type PEM electrolysis devices according to the invention are suitable for generating high-pressure hydrogen in combination with the use of thin proton exchange membranes. The invention is based on a novel frame- and sealing-concept. The invention also relates to a cover for stack-type PEM electrolysis devices.
Resumen de: US2025243592A1
A water electrolysis electrode includes a conductive substrate and a layered double hydroxide layer. The layered double hydroxide layer is disposed on a surface of the conductive substrate. The layered double hydroxide layer includes two or more transition metals. The layered double hydroxide layer includes a chelating agent.
Resumen de: WO2025156736A1
Provided in the present application are a multi-electrolytic-cell series-parallel hydrogen production control method and a power generation system. The method in the present application comprises: acquiring electrolysis power parameters of a plurality of electrolytic cells and a real-time generation power of a power generation system; and then, on the basis of the plurality of electrolysis power parameters and the real-time generation power, controlling the plurality of electrolytic cells to sequentially and repeatedly execute electrolysis start-stop operations, wherein each electrolysis start-stop operation comprises: comparing the magnitude of a target round startup output power with the magnitude of a rated minimum electrolysis power of a target electrolytic cell; on the basis of a corresponding magnitude determination, performing subsequent control operations; and then in the subsequent control operations, performing a corresponding control operation by means of determining whether the target round startup output power exceeds a danger warning threshold power. Thus, the hydrogen production efficiency and flexibility of the plurality of electrolytic cells in the hydrogen production power generation system are improved, the stability of the hydrogen production power generation system is improved, and the service life of the hydrogen production power generation system is prolonged.
Resumen de: WO2025159042A1
The purpose of the present disclosure is to provide an electrolytic cell stack capable of increasing the amount of product generated by electrolysis while suppressing the temperature rise of the cell stack. An electrolytic cell stack (101) according to the present disclosure comprises: an electrolysis unit cell (105) that has a hydrogen electrode containing Ni, an oxygen electrode, and a solid electrolyte membrane and is formed in the circumferential direction of a base tube; and an interconnector that electrically connects a plurality of electrolysis unit cells arranged in the axial direction of the base tube. When the distance between the ends of the oxygen electrode, oriented in the axial direction of the base tube, in each electrolysis unit cell is defined as the width W of the electrolysis unit cell, and the area on the base tube in which the plurality of electrolysis unit cells are arranged is divided into a first end portion (10), a central portion (11), and a second end portion (12) along the axial direction, the widths W1, W3 of the electrolysis single cells (105b, 105c) positioned in the first end portion and/or the second end portion is 1.5 to 3 times greater than the width W2 of the electrolysis unit cell (105a) positioned in the central portion.
Resumen de: WO2025159402A1
The present invention relates to a catalyst for an ammonia decomposition reaction and a hydrogen production method using same. More specifically, the present invention relates to: a catalyst for an ammonia decomposition reaction which, by containing cesium and cerium in a cobalt-molybdenum composite nitride, exhibits excellent catalytic activity in the ammonia decomposition reaction and thus enables an improved ammonia conversion rate, and which shows minimal degradation in activity even after high-temperature and long-duration reactions, offering excellent long-term stability; and a hydrogen production method using the catalyst.
Resumen de: WO2025160516A1
A system and method of making hydrogen from water. A reaction vessel is provided with an outer shell, a central shaft, and concentric inner tubes separated by annular spaces. Water is delivered to the annular spaces by a water pump through an inlet defined in the reaction vessel. The water courses along a tortuous flow path. That path begins at an inner annular space around a central shaft. It ends at an outer annular space. The water emerges from the reaction vessel through an outlet associated with a manifold. A vibratory stimulus is applied to the reaction vessel and water. Water molecules are dissociated into hydrogen molecules and oxygen atoms. These reaction products are delivered through the manifold along an effluent flow path to a receiving pressure vessel before deployment to a sub-assembly for harnessing clean energy.
Resumen de: US2025236517A1
A dehydrogenation reaction device includes a chemical hydride storage unit including a chemical hydride storage tank, a reaction unit including an acid aqueous solution storage tank, and a dehydrogenation reactor configured to generate hydrogen by reacting a chemical hydride with an acid aqueous solution, and a hydrogen storage unit including a hydrogen storage tank configured to store the hydrogen produced in the dehydrogenation reactor. The dehydrogenation reactor includes a body portion made of a metal and a reinforcement portion surrounding the outer surface of the body portion and including fiber reinforced plastic (FRP).
Resumen de: US2025246660A1
Described is a long-lasting, heavy-duty ion exchange membrane comprising a fluorinated ionomer, a CexM1-xOy nanoparticle, and optional additives; where x is 0.2-0.9, y is 1-3, and M is Zr, Gd, Pr, Eu, Nd, La, Hf, Tb, Pd, Pt, or Ni. Optional additives may include reinforcement layers, which may be embedded in the ion exchange membrane. Such membranes are formed from ion exchange polymer dispersions and are useful to form membrane assemblies for fuel cell or water electrolysis applications. The present membranes and membrane assemblies have improved chemical stability and durability in such applications.
Resumen de: WO2025160419A1
An integrated energy system including a power plant is discussed herein. In some examples, the integrated energy system may include a power plant configured to generate steam, a hydrothermal decomposition reactor configured to receive at least a portion of the steam (H2O) from the power plant to react with Methane (CH4) within the hydrothermal decomposition reactor to produce Hydrogen (H2) and Carbon Dioxide (CO2), a first separation unit configured to separate the Hydrogen (H2) and the Carbon Dioxide (CO2), a Solid Oxide Stack configured to receive at least a portion of the Carbon Dioxide (CO2) and to produce Carbon Monoxide (CO), a second separation unit configured to separate the Carbon Dioxide (CO2) from the Carbon Monoxide (CO), and a methanol synthesis reactor configured to receive at least a portion of the Hydrogen (H2) and at least a portion of the Carbon Monoxide (CO) to produce Methanol (CH3OH).
Resumen de: WO2025159903A1
A system for separating a fluid in the operation of an electrochemical system includes: a cathode separator configured to separate a fluid into a first stream having hydrogen gas and a second stream having water and dissolved hydrogen; and a makeup water tank. The makeup water tank is configured to: receive the second stream from the cathode separator; operate at a pressure that is greater than atmospheric pressure and less than an operating pressure of the cathode separator; and separate at least a portion of the dissolved hydrogen from the water via a reduction in pressure from the cathode separator to the makeup water tank to provide a purified water stream and hydrogen gas. The hydrogen gas from the makeup water tank is configured to be transferred out of the makeup water tank and the purified water stream is configured to be transferred out the makeup water tank.
Resumen de: KR20210001132A
The present invention relates to a catalyst complex for a fuel cell, comprising: a support including carbon (C); platinum (Pt) supported on the support; and an iridium (Ir) compound supported on the support, wherein the iridium compound includes at least one of iridium oxide satisfying chemical formula 1, IrO_x and iridium-transition metal oxide satisfying chemical formula 2, IrMO_x (M is a transition metal and may be selected from Fe, Co, Cu, and Ni), and x is 1 to 2.
Resumen de: WO2024116062A1
The present invention relates to a symmetrical separator membrane for electrolysis of alkaline water and with homogeneous distribution of the pores.
Resumen de: KR20250115635A
본 발명은 성능 및 내구성 향상을 위한 수전해 고분자 전해질 막의 제조방법에 관한 것이다. 본 발명은, 물을 전기분해하여 수소를 생성하는 수전해 장치에 사용되는 수전해 비불소 탄화수소계 고분자 전해질 막의 제조방법으로서, 비불소 탄화수소계 고분자 용액을 캐스팅하여 고분자 전해질 막을 형성하는 제막 단계; 상기 형성된 고분자 전해질 막을 건조시키는 건조 단계; 및 상기 건조된 고분자 전해질 막을 어닐링하는 어닐링 단계를 포함하는 수전해 비불소 탄화수소계 고분자 전해질 막의 제조방법을 제공한다. 본 발명에 따르면, PEM 수전해용 고분자 전해질 막의 성능과 내구성을 효과적으로 향상시킬 수 있다.
Resumen de: WO2025159940A1
Described is a system and method for green hydrogen production via electrolysis. The system includes a steam boiler unit (204) configured to produce a discharged waste water stream (200), an electrolysis unit (300) configured to produce hydrogen (302) and oxygen (304) from the discharged waste water stream (200); and a hydrogen storage unit (708) for storing a portion of the hydrogen (302) produced by the electrolysis unit (300) as a product.
Resumen de: US2025246642A1
The present invention provides an oxygen evolution reaction catalyst, wherein the oxygen evolution reaction catalyst is an oxide material comprising iridium, tantalum and ruthenium: wherein the oxygen evolution catalyst comprises a crystalline oxide phase having the rutile crystal structure; wherein the crystalline oxide phase has a lattice parameter a of greater than 4.510 Å.
Resumen de: US2025244729A1
A simulation system and method for hydrogen production by water electrolysis. The simulation system for hydrogen production by water electrolysis includes: a first simulation unit used for simulating a hydrogen production power system to obtain hydrogen production electrical parameters; a controller unit used for outputting a control instruction to control hydrogen production process parameters in a hydrogen production chemical system; a second simulation unit used for simulating the hydrogen production chemical system according to the hydrogen production electrical parameters and the control instruction so as to obtain a hydrogen production result; and a data interaction unit, the first simulation unit, the controller unit, and the second simulation unit being capable of performing data interaction by means of the data interaction unit. Joint simulation of complete chemical and electrical processes for hydrogen production by water electrolysis can be realized.
Resumen de: WO2025157947A1
The present invention discloses an electrolyser system and a method for operating the electrolyser system. The electrolyser system comprises an electrolyser stack further comprising a cathode compartment and an anode compartment separated by a diaphragm. A catholyte inlet of the stack is configured for supplying catholyte to the cathode compartment of the stack and an anolyte inlet configured for supplying anolyte to the anode compartment of the stack. A catholyte outlet transports gas-electrolyte mixture from the cathode compartment to a hydrogen separator and an anolyte outlet transports gas-electrolyte mixture from the anode compartment to an oxygen separator. A pressure control unit is configured to establish a predefined differential pressure between the cathode compartment and the anode compartment of the stack by maintaining the pressure at the cathode compartment greater than the pressure at the anode compartment.
Resumen de: US2025243057A1
The present invention discloses a zero-carbon-emission device and process for generating hot air or high-temperature steam or producing pure water, including a gas storage unit, a gas conduct device, a reaction chamber, and a heating conduct device, where the gas storage unit is configured to store hydrogen and oxygen or air respectively; the gas storage unit is connected to the reaction chamber through the gas conduct device respectively, and the gas conduct device is configured to convey the oxygen or the air and the hydrogen of the gas storage unit to the reaction chamber; the reaction chamber is further provided with a hot and moist air outlet, and the hot and moist air outlet is connected to the heating conduct device; and the reaction chamber is provided with a plurality of layers of pipes that are connected in sequence.
Resumen de: KR20250115305A
본 발명은 알카라인 수전해 셀에 사용되는 고활성 산소 발생 전극의 제조방법에 관한 것으로, 본 발명에 따르면, 니켈 전극의 표면에 수증기를 노출시키는 간단한 방법으로 니켈 전극의 표면에 NiOOH 및 Ni(OH)2를 포함한 수산화물 층의 형성을 유도하였으며, 형성된 수산화물 층 중 특히 NiOOH는 산소 발생 반응(OER)의 활성을 향상시키고 과전위를 낮추며, 전하 이동 역학을 개선하여 니켈 전극의 산소 발생 반응 성능 및 장기안정성을 현저하게 향상시키므로, 상기 수산화물 층이 형성된 니켈 전극은 수전해 산소 발생 전극으로서 유용하게 사용될 수 있다.
Resumen de: WO2025159402A1
The present invention relates to a catalyst for an ammonia decomposition reaction and a hydrogen production method using same. More specifically, the present invention relates to: a catalyst for an ammonia decomposition reaction which, by containing cesium and cerium in a cobalt-molybdenum composite nitride, exhibits excellent catalytic activity in the ammonia decomposition reaction and thus enables an improved ammonia conversion rate, and which shows minimal degradation in activity even after high-temperature and long-duration reactions, offering excellent long-term stability; and a hydrogen production method using the catalyst.
Resumen de: CN120226171A
The present disclosure relates to an electrochemical cell stack comprising solid state electrochemical cells (20), an electrically conductive separator (30); and a sealing element (40). The separator comprises: a central portion (31) having an oppositely recessed support surface (32) supporting the solid oxide cell, and a contact surface (34) opposite the recessed support surface contacting an adjacent solid state electrochemical cell; and a boundary portion (36) providing a relatively elevated top (37) and upstanding side walls (38). A sealing element (40) extends between an elevated top surface of the boundary portion and an opposing support surface (39) of an adjacent bulkhead. The spacing distance between the concave support surface and the contact surface of the adjacent separator, defined by the combined height of the sealing element and the upstanding side wall, is matched to the thickness of the solid state electrochemical cell.
Resumen de: EP4593125A1
A solid oxide electrochemical cell (400) includes a solid oxide electrolyte (5), a fuel-side electrode (7) located on a first side of the solid oxide electrolyte (5), and an air-side electrode (3) located on a second side of the solid oxide electrolyte (5). The air-side electrode (3) includes a strontium getter material, a current collector layer (34) and a functional layer (32) located between the current collector layer (34) and the second side of the solid oxide electrolyte (5).
Resumen de: US2025214034A1
Hydrogen gas purifier electrochemical cells, systems for purifying hydrogen gas, and methods for purifying hydrogen gas are provided. The cells, systems, and methods employ double membrane electrode (DMEA) electrochemical cells that enhance purification while avoiding the complexity and cost of conventional cells. The purity of the hydrogen gas produced by the cells, systems, and methods can be enhanced by removing at least some intermediate gas impurities from the cells. The purity of the hydrogen gas produced by the cells, systems, and methods can also be enhanced be introducing hydrogen gas to the cells to replenish any lost hydrogen. Water electrolyzing electrochemical cells and methods of electrolyzing water to produce hydrogen gas are also disclosed.
Resumen de: EP4592426A2
This organic hydride generation system 1 is provided with: an electrolytic bath 2; a main power supply unit 56 that supplies power to the electrolytic bath 2; an auxiliary power supply unit 58 that supplies power to the electrolytic bath 2 independently of the main power supply unit 56; a detection unit 38 that detects the voltage of the electrolytic bath 2, the potential of an anode electrode 12, or the potential of a cathode electrode 16; and a control unit 10 that controls the supply of power to the electrolytic bath 2 on the basis of detection results of the detection unit 38. The control unit 10 controls the auxiliary power supply unit 58 to supply power to the electrolytic bath 2, when the voltage or potential is detected to be changed to a prescribed value during the operation stoppage of the organic hydride generation system 1 in which the power from the main power supply unit 56 is not supplied to the electrolytic bath 2.
Resumen de: EP4593128A2
Provided herein is a method for producing a cement material, said method comprising steps of: a. reacting sulfur dioxide and water to form a first acid, the first acid comprising at least one sulfur-containing anion; b. reacting the first acid and a first cement precursor to form a second cement precursor; wherein the second cement precursor comprises the at least one sulfur-containing anion; and c. converting the second cement precursor to the cement material. Also provided is a system for producing a cement material.
Resumen de: EP4592425A1
The present invention discloses an electrolyser system (100) and a method for operating the electrolyser system. The electrolyser system (100) comprises an electrolyser stack (101) further comprising a cathode compartment and an anode compartment separated by a diaphragm. A catholyte inlet (102) of the stack (101) is configured for supplying catholyte to the cathode compartment of the stack (101) and an anolyte inlet (103) configured for supplying anolyte to the anode compartment of the stack (101). A catholyte outlet (104) transports gas-electrolyte mixture from the cathode compartment to a hydrogen separator (106) and an anolyte outlet (105) transports gas-electrolyte mixture from the anode compartment to an oxygen separator (107). A pressure control unit (110) is configured to establish a predefined differential pressure (Δp) between the cathode compartment and the anode compartment of the stack (101) by maintaining the pressure at the cathode compartment greater than the pressure at the anode compartment.
Resumen de: CN119547229A
The invention relates to a bipolar plate (100) for a chemical energy converter (200, 300). The bipolar plate (100) comprises:-a plurality of channels (101) for conducting an operating medium of the energy converter (200, 300),-a plurality of supply openings (103) for supplying the plurality of channels (101) with an operating medium,-a plurality of distribution channels (105) for distributing the operating medium onto the plurality of channels (101), each distribution channel (105) of the plurality of distribution channels (105) extends between a corresponding supply opening (103) of the plurality of supply openings (103) and a corresponding channel (101) of the plurality of channels (101), and wherein the distribution channels (105) of the plurality of distribution channels (105) extend between the corresponding supply opening (103) of the plurality of supply openings (103) and the corresponding channel (101) of the plurality of channels (101). Each supply opening (103) of the plurality of supply openings (103) has an at least partially curved edge region at least on a distribution channel side facing a corresponding distribution channel (105) of the plurality of distribution channels (105).
Resumen de: US2022306559A1
A method for upgrading biogas to methanol, including the steps of: providing a reformer feed stream comprising biogas; optionally, purifying the reformer feed stream in a gas purification unit; optionally, prereforming the reformer feed stream together with a steam feedstock in a prereforming unit; carrying out steam methane reforming in a reforming reactor heated by means of an electrical power source; providing the synthesis gas to a methanol synthesis unit to provide a product including methanol and an off-gas. Also, a system for upgrading biogas to methanol.
Resumen de: AU2023290620A1
The disclosure relates to systems and methods for continuous hydrogen production using photocatalysis. Specifically, the disclosure relates to systems and methods for continuous hydrogen production using photocatalysis of water utilizing semiconductor charge carriers immobilized on removable carriers in the presence of a reducing agent such as tertiary amines.
Resumen de: WO2025125243A1
The invention relates to a method for producing an electrode (10) for use in alkaline electrolysis of water, the method comprising: providing a metal substrate (12); providing a coating material (26) comprising powder (28) consisting of a catalyst material (20), and comprising non-metal particles (24); and coating at least a portion of the substrate with the coating material. The invention also relates to electrodes produced in this way.
Resumen de: GB2637456A
An electrolyser system (10) comprising a heat storage unit (14) and an electrolyser (16) is described. The heat storage unit (14) comprises at least one heat source infeed. The electrolyser (16) comprises at least one electrolyser cell (20), a steam inlet and at least one off-gas outlet. The off-gas outlet is connected to the heat source infeed to heat the heat storage unit (14). The heat storage unit (14) is configured to use its stored heat to produce steam for feeding into the steam inlet and for generating electrical power, either one at a time or both at the same time. The invention also provides a system comprising an intermittent or variable electricity source (12) and an electrolyser system (10) as defined above. The intermittent or variable electricity source (12) can be configured to power the electrolyser (16) and to heat the heat storage unit (14) via a heating element, either both at the same time or individually.
Resumen de: KR20250114200A
본 발명은 수소생산장치에 관한 것이다. 구체적으로 본 발명의 일 실시예에 따르면, 암모니아가스 공급구 및 개질가스 배출구가 형성되는 본체부; 상기 암모니아가스 공급구에 연결되고, 상기 암모니아가스 공급구로부터 암모니아 가스가 유입되는 암모니아가스 매니폴드; 상기 암모니아가스 매니폴드에 연결되고, 상기 암모니아가스 매니폴드로부터 유입된 상기 암모니아가스가 개질가스로 개질되기 위한 개질공간이 형성되는 개질부; 상기 개질부를 둘러싸도록 배치되어 상기 개질부를 가열시킴으로써, 상기 암모니아가스를 개질시키는 가열부; 및 상기 개질부와 상기 개질가스 배출구에 연결되고, 상기 개질부로부터 유입되는 상기 개질가스가 상기 개질가스 배출구로 유동되기 위한 통로를 제공하는 개질가스 매니폴드를 포함하는, 수소생산장치가 제공될 수 있다.
Resumen de: AU2023327787A1
The invention provides an electrolytic cell, comprising: a working electrode; a counter electrode; a liquid electrolyte in contact with a working surface of the working electrode; an acoustically transmissive substrate comprising at least a piezoelectric substrate portion; one or more conductive electrodes coupled to the piezoelectric substrate portion and configured to propagate a high frequency acoustic wave having a frequency of at least 1 MHz across the acoustically transmissive substrate when electrically actuated; and one or more power supplies configured (i) to apply a potential between the working electrode and the counter electrode sufficient to electrolytically react a species in the liquid electrolyte, thereby producing an electrolytic reaction product proximate the working electrode, and (ii) to electrically actuate the one or more conductive electrodes, wherein the working electrode is either located on the acoustically transmissive substrate or spaced apart from the acoustically transmissive substrate by the liquid electrolyte, and wherein propagation of the high frequency acoustic wave across the acoustically transmissive substrate in operation of the electrolytic cell stimulates the liquid electrolyte, thereby increasing the production efficiency of the electrolytic reaction product.
Resumen de: MX2025004437A
Electrochemical cell system (100) which comprises an electrochemical cells arrangement (10), a control unit (20) configured to operate the electrochemical cells arrangement (10) only as electrolytic cells or only as fuel cells, a heat unit (40), external to the electrochemical cells arrangement (10), which is thermally coupled to the electrochemical cells arrangement (10) and which is configured to alternately store heat from the electrochemical cells arrangement (10) to the heat unit (40) and supply heat from the heat unit (40) to the electrochemical cells arrangement (10), and a transfer arrangement (30) configured to alternately transfer heat from the electrochemical cells arrangement (10) to the heat unit (40) and from the heat unit (40) to the electrochemical cells arrangement (10).
Resumen de: CN120167017A
A process for co-production of carbon monoxide and hydrogen is discussed herein, the process comprising: (a) providing an electrochemical reactor having an anode, a cathode, and a hybrid conductive membrane positioned between the anode and the cathode; (b) introducing a first stream into the anode, wherein the first stream comprises a fuel; (c) introducing a second stream into the cathode wherein the second stream comprises carbon dioxide and water wherein carbon monoxide is electrochemically generated from carbon dioxide and hydrogen is electrochemically generated from water. In an embodiment, the anode and the cathode are separated by the membrane, and both are exposed to a reducing environment during the entire operating time.
Resumen de: US2025018339A1
Disclosed are a method and an apparatus for carbon capture coupled hydrogen production. The method includes: capturing low-concentration CO2 by a solution of an alkali metal hydroxide to obtain a low-concentration CO2 absorption solution; capturing high-concentration CO2 by a first portion of the low-concentration CO2 absorption solution to obtain a high-concentration CO2 absorption solution; and performing electrolysis by a second portion of the low-concentration CO2 absorption solution as a catholyte solution, using the high-concentration CO2 absorption solution as an anolyte, and using a non-ionic diaphragm as a diaphragm. According to the method, capture of CO2 in a wide concentration range can be realized; electrolysis is performed by a non-ionic diaphragm, to implement regeneration of an absorption solution coupled hydrogen production; capture costs of CO2 in a wide concentration range can be reduced; additional products of H2 and O2 can be obtained; and hydrogen production costs can be reduced.
Resumen de: WO2024133283A1
An alkaline water electrolyzer (200) comprising an electronic controller (Cont), a stack (Stck) of electrolysis cells each comprising an anode and a cathode, the electrolyzer being configured to contain an electrolyte made of an anolyte (AnKOH) and a catholyte (CathKOH), the electrolyzer comprising a system (Sys) controlled by the electronic controller (Cont) configured to maintain a concentration of an impurity in the electrolyte within a target range by measuring a characteristic representative of the concentration of the impurity in the electrolyte and, in response to the measured concentration of the impurity, add a quantity of the impurity into the electrolyte.
Resumen de: WO2025154892A1
The present invention relates to a stepwise system and method for producing lime and hydrogen using by-product gypsum and the system includes: a lime production unit that reacts the by-product gypsum with a hydroxide of an alkali metal to produce lime and alkali metal sulfate, an electrolysis unit that electrolyzes the aqueous solution of the generated alkali metal sulfate to produce alkali metal hydroxide and hydrogen, and a circulation unit that provides the produced alkali metal hydroxide back to the lime production unit.
Resumen de: WO2025153632A1
The disclosure concerns a hydroprocessing of a hydrocarbon feedstock (1) in which the acid gas stream with hydrogen sulphide (11) that is generated is cracked to generate a stream (13) comprising hydrogen and elemental sulphur. The disclosure relates also to an installation for removing one or more organic sulphur compounds from a hydrocarbon feedstock (1).
Resumen de: US2025236978A1
A hydrogen generation system includes a plurality of cell stack assemblies, each including a plurality of cells. The cell stack assemblies are electrically connected in series. The cell stack assemblies each receive water and electricity and generate hydrogen as a result of an electrochemical reaction within the cells. The hydrogen is intended for use outside of the system and may be stored or transported to another location. A plurality of conduits carry water into and water, oxygen and hydrogen away from the cell stack assemblies. The conduits each include a dielectric section near the respective cell stack assembly to reduce or eliminate shunt currents between the cell stack assemblies. The dielectric sections may also serve to electrically isolate the cell stack assemblies from grounded portions of the system, such as a supporting frame.
Resumen de: US2025236967A1
A membrane in an electrochemical cell may be electrically and/or mechanically coupled to a flow-field plate using a conductive adhesive. Various types of adhesives with conductive particles may be used. The adhesive may be selected such that in the fluid phase it is able to diffuse through one or more porous layers of the electrochemical cell, such as a liquid/gas diffusion layer. In some cases, the use of conductive adhesive may increase the level of inter-component electrical contact that may be achieved for a given level of compressive force applied between the components in the electrochemical cell.
Resumen de: WO2025153178A1
A control system (30) for a hydrogen plant (100) is provided. The hydrogen plant includes: a first set of units (11,12…1n) comprising at least one hydrogen electrolyzer for producing hydrogen as a main product and heat as a byproduct; and a second set of units (21,22…2n) comprising at least one desalination unit partially operated with the heat from the at least one hydrogen electrolyzer for producing distilled water from raw water, and the at least one water desalination unit being configured to provide at least part of the distilled water to the at least one hydrogen electrolyzer. The control system is configured to control operation of the hydrogen plant including controlling electrical energy consumption of the at least one electrolyzer and the at least one desalination unit by adjusting at least one of: 1) electrical power supplied to the at least one hydrogen electrolyzer to produce the hydrogen and the heat; 2) flowrate of the at least part of the distilled water to the at least one hydrogen electrolyzer from the at least one desalination unit; and 3) heat transferred from the at least one hydrogen electrolyzer to the at least one desalination unit.
Resumen de: US2025236972A1
Electrolyzer for production of hydrogen gas and comprising a stack of bipolar electrodes sandwiching ion-transporting membranes between each two of the bipolar electrodes. Each bipolar electrode comprises two metal plates welded together back-to-back forming a coolant compartment in between and having a respective anode surface and an opposite cathode surface, each of which is abutting one of the membranes. The plates are embossed with a major vertical channel and minor channels in a herringbone pattern for transport of oxygen and hydrogen gases. The embossed herringbone pattern is provided on both sides of the metal plates so as to also provide coolant channels in a herringbone pattern inside the coolant compartment.
Resumen de: US2025236969A1
A Ni-based porous electrode for water electrolysis including (a) a macroporous substrate having a specific thickness, porosity level, and a pore size; (b) a first layer of a metal or a metal alloy as defined herein covering the macroporous substrate; and (c) a second layer of Ni, a Ni—X alloy or a Ni—X—Y alloy covering the first layer. The Ni-based porous electrode is free from Pt-group metals and rare-earths. A process for the manufacturing of the Ni-based porous electrode. The use of the Ni-based porous electrode to catalyze the hydrogen evolution reaction (HER). A water electrolyzer comprising the Ni-based porous electrode.
Resumen de: US2025236962A1
Herein discussed is a hydrogen production system comprising a first reactor zone and a second reactor zone, wherein both reactor zones comprise an ionically conducting membrane, wherein the first zone is capable of reforming a hydrocarbon electrochemically and the second zone is capable of performing water gas shift reactions electrochemically, wherein the electrochemical reforming reactions involve the exchange of an ion through the membrane to oxidize the hydrocarbon and wherein electrochemical water gas shift reactions involve the exchange of an ion through the membrane and include forward water gas shift reactions, or reverse water gas shift reactions, or both. In an embodiment, the membrane is mixed conducting. In an embodiment, the membrane comprises an electronically conducting phase and an ionically conducting phase.
Resumen de: US2025236960A1
Described is a system and method for green hydrogen production via electrolysis. The system includes a steam boiler unit configured to produce a discharged waste water stream, an electrolysis unit configured to produce hydrogen and oxygen from the discharged waste water stream; and a hydrogen storage unit for storing a portion of the hydrogen produced by the electrolysis unit as a product.
Resumen de: US2025236964A1
Electrochemical cells having recombination layers are disclosed herein. One example of such a cell includes a membrane configured to be positioned between an anode flow field and a cathode flow field of the electrochemical cell. The cell further includes a recombination layer configured to be positioned between the anode flow field and at least a portion of the membrane. The recombination layer includes a catalyst configured to assist in a formation of water from hydrogen gas and oxygen gas produced within the electrochemical cell, therein mitigating any hydrogen gas crossover from a cathode side to an anode side of the electrochemical cell.
Resumen de: US2025236517A1
A dehydrogenation reaction device includes a chemical hydride storage unit including a chemical hydride storage tank, a reaction unit including an acid aqueous solution storage tank, and a dehydrogenation reactor configured to generate hydrogen by reacting a chemical hydride with an acid aqueous solution, and a hydrogen storage unit including a hydrogen storage tank configured to store the hydrogen produced in the dehydrogenation reactor. The dehydrogenation reactor includes a body portion made of a metal and a reinforcement portion surrounding the outer surface of the body portion and including fiber reinforced plastic (FRP).
Resumen de: US2025236541A1
Methods, systems and devices for removing iodide from an aqueous solution including submerging an iodophilic electrode in an aqueous solution containing iodide, applying a current to the electrode, and electrochemically oxidizing the iodide to iodine within the electrode. The electrode may include an iodophilic material and an electrically conductive material. It may also include a binder. The iodophilic material may be a starch, chitosan, carboxycellulose, cationic polymer, or an anion exchange membrane material, for example. After oxidizing the iodide to iodine within the electrode, the electrode may be submerged in a second solution and a current may be applied to reduce the iodine and release it from the electrode in the form of iodide into the second solution.
Resumen de: US2025236542A1
Provided is an apparatus and a method of desalinating saltwater and transporting hydrogen ions using Ion Concentration Polarization (ICP), the apparatus including: a channel part including a channel allowing saltwater to be introduced thereinto, an ion-selective membrane connected to the channel, and a cathode and an anode for applying a voltage to both ends of the channel; a desalination part configured to obtain fresh water from the saltwater with ionic substances removed from the saltwater by ion concentration polarization in a first region adjacent to the anode of the ion-selective membrane; and a hydrogen gas production part configured to concentrate the ionic substances in a second region adjacent to the cathode of the ion-selective membrane and to reduce hydrogen ions (H+) contained in the ionic substances.
Resumen de: US2025235819A1
An environmental control system employs an electrolysis cell utilizing an anion conducting membrane. A power supply is coupled across the anode and cathode of the electrolysis cell to drive reactions to reduce oxygen and/or carbon dioxide in an output gas flow. A cathode enclosure may be coupled with the electrolysis cell and provide an input gas flow and receive the output gas flow. A first electrolysis cell may be utilized to reduce the carbon dioxide concentration in an output flow that is directed to a second electrolysis cell, that reduces the concentration of oxygen. The oxygen and/or carbon dioxide may be vented from the system and used for an auxiliary purpose. An electrolyte solution may be configured in a loop from a reservoir to the anode, to provide a flow of electrolyte solution to the anode. Moisture from the cathode may be collected and provided to the anode.
Resumen de: WO2024163636A1
The present disclosure relates to methods of sequestering CO2 comprising a first cathodic chamber, performing a first alkaline process, a first anodic chamber, performing a first acidic process, and dechlorinating a solution by contacting the solution with a dechlorinating agent. Also provided herein are systems comprising a first cathodic chamber and a first anodic chamber.
Resumen de: KR20250112723A
원자력 발전소 수소생산 시스템 및 방법을 제공한다. 원자력 발전소의 수소생산 시스템으로서, 전력그리드; 증기를 생성하는 증기발생부; 상기 증기를 기반으로 동작하는 터빈; 상기 전력그리드와 연동되는 스위치야드; 상기 증기를 수요처로 이송하는 이송배관; 상기 터빈의 동작을 기반으로 동작하는 발전기; 상기 증기로부터 추기된 추기 증기를 수요처로 이송하는 추기배관; 상기 스위치야드로부터 공급되는 전기를 통해, 수소를 생산하는 저온 수전해부; 및 상기 스위치야드로부터 공급되는 전기와, 상기 추기 증기를 기반으로, 수소를 생산하는 고온 수전해부를 포함하고, 상기 수소생산 시스템은, 기 설정된 조건에 따라, 상기 저온 수전해부만 운전되는 제1 운전과, 상기 고온 수전해부만 운전되는 제2 운전과, 상기 저온 수전해부와 상기 고온 수전해부가 복합 운전되는 제3 운전이 각각 수행 가능하다.
Resumen de: KR20250112431A
본 발명의 실시예에 따르면, 배터리로부터 공급되는 전력을 활용하여 물탱크에 저장되었던 물에 대한 전기 분해를 수행하는 전기 분해기; 및 상기 전기 분해기에 의해 생성된 수소를 운송 수단의 엔진 연소실과 연결되는 흡기 통로에 공급하는 수소 공급 장치를 포함하는, 운송 수단의 수소 발생 시스템이 제공된다.
Resumen de: WO2025155611A1
Improved electrocatalysts for promoting a hydrogen evolution reaction (HER) or an oxygen evolution reaction (OER) from alkaline fresh water and seawater are disclosed. By incorporating metals, such as tungsten and rare earth elements, into the nickel molybdenum nitride framework, Ni1-xMoxN, the disclosed electrocatalysts demonstrate improved catalytic activity and stability compared to the original Ni&Ni0.2Mo0.8N catalysts, particularly under high-current alkaline conditions, in water electrolysis for hydrogen and oxygen production.
Resumen de: WO2025154892A1
The present invention relates to a stepwise system and method for producing lime and hydrogen using by-product gypsum and the system includes: a lime production unit that reacts the by-product gypsum with a hydroxide of an alkali metal to produce lime and alkali metal sulfate, an electrolysis unit that electrolyzes the aqueous solution of the generated alkali metal sulfate to produce alkali metal hydroxide and hydrogen, and a circulation unit that provides the produced alkali metal hydroxide back to the lime production unit.
Resumen de: WO2025154484A1
The purpose of the present invention is to improve the safety of a hydrogen production plant. This hydrogen production plant (1) comprises: a solid oxide electrolysis cell (SOEC) (10) which produces a hydrogen-containing gas; and a discharge stack (30) into which the hydrogen-containing gas produced by the SOEC (10) is introduced and which discharges the introduced hydrogen-containing gas to air. The discharge stack (30) has a spray unit (32) which supplies, to the hydrogen-containing gas introduced therein, cooling water for cooling the hydrogen-containing gas.
Resumen de: US2025236961A1
A device (1) for performing electrolysis of water is disclosed. The device comprising: a semiconductor structure (10) comprising a surface (11) and an electron guiding layer (12) below said surface (11), the electron guiding layer (12) of the semiconductor structure (10) being configured to guide electron movement in a plane parallel to the surface (11), the electron guiding layer (12) of the semiconductor structure (10) comprising an InGaN quantum well (14) or a heterojunction (18), the heterojunction (18) being a junction between AlN material and GaN material or between AlGaN material and GaN material; at least one metal cathode (20) arranged on the surface (11) of the semiconductor structure (10); and at least one photoanode (30) arranged on the surface (11) of the semiconductor structure (10), wherein the at least one photoanode (30) comprises a plurality of quantum dots (32) of InxGa(1-x)N material, wherein 0.4≤x≤1. Also a system comprising such device is disclosed.
Resumen de: AU2023405114A1
The invention relates to an electrolysis system (1) comprising an electrolyser (3) for producing hydrogen (H
Resumen de: GB2637436A
Provided are a battery management system and method, and a related device. Battery units are controlled to be connected or disconnected in a power supply circuit by using collected operation parameters of the battery units, so that the safety in a battery operation process is improved. The battery management system comprises N first nodes, a second node, and M control switches. The first node is used for generating a first signal and sending the first signal to the second node, wherein the first signal comprises operation parameters of the battery unit corresponding to the first node in the power supply circuit. The second node is used for generating a second signal on the basis of the N first signals from the N first nodes and sending the second signal to the control switches. The control switch is used for controlling, on the basis of the second signal, the battery unit corresponding to the control switch to be connected or disconnected in the power supply circuit.
Resumen de: WO2024114990A1
A hydrogen production apparatus (11) for an intermittent power source (2) and/or an electrical grid, comprising: a hydrogen production unit (19) for producing hydrogen gas (12), a first compressor unit (21) for compressing the produced hydrogen gas, a tank (25) for storing the gas compressed by the first compressor unit (21), the tank comprising a first and a second outlet (28, 29), a second compressor unit (30) fluidly connected to the second outlet of the tank (25) for compressing hydrogen gas supplied from the tank, the second compressor unit comprising an outlet (33), and a dispensing unit (34) fluidly connected to both the first outlet of the tank and the outlet of the second compressor unit for dispensing gas from the hydrogen production apparatus. By storing hydrogen gas in the tank, hydrogen gas can be dispensed from the hydrogen production apparatus even in times of low hydrogen production such as low wind speeds.
Resumen de: CN119908039A
Disclosed is an electrochemical cell having: a porous metal support; at least one layer of a first electrode on the porous metal support; a first electron blocking electrolyte layer of rare earth doped zirconia on the at least one layer of the first electrode; and a second bulk electrolyte layer of rare earth doped cerium oxide on the first electron blocking electrolyte layer. The first electron blocking electrolyte layer of rare earth doped zirconia may have a thickness of 0.5 mu m or more, and the second bulk electrolyte layer of rare earth doped ceria may have a thickness of 4 mu m or more.
Resumen de: AU2023342927A1
An electrochemical cell is disclosed having a porous metal support, a gas transport layer on the porous metal support, and an electrode layer on the gas transport layer. The gas transport layer is electrically conductive and has an open pore structure comprising a pore volume fraction of 20% by volume or higher and wherein the electrode layer has a pore volume fraction lower than the pore volume fraction of the gas transport layer. Also disclosed is a stack of such electrochemical cells and a method of producing such an electrochemical cell.
Resumen de: CN119895081A
An electrolytic cell (1) for the electrolysis of chlor-alkali or alkaline water, comprising: two cell elements (2, 3), each cell element (2, 3) defining an electrode chamber (4, 5) by providing a rear wall (6) and side walls (7) of the electrode chamber (4, 5); electrodes (8, 9) respectively housed in each of the electrode chambers (4, 5); a sheet-like diaphragm (10) that extends in the height direction (H) and the width direction (W) of the electrolytic cell (1), is provided in a joint (11) between the two electrolytic cell elements (2, 3), and forms a partition wall (12) between the electrode chambers (4, 5); a plurality of support members (13) for supporting at least one electrode (8, 9) on a respective rear wall (6); wherein each support member (13) comprises: two support parts standing on the rear wall (6) and extending in the height direction (H) of the electrolytic cell (1); two feet (16, 17) connected to the respective supports (14, 15) at an angle and in planar contact with the rear wall (6); wherein the support portions of the support members (13) are connected to each other by means of an arch-shaped portion (18) bent outward toward the electrode (8) to be supported, and form an elastic bearing surface (19) for supporting the electrode (8); when the arch (18) deflects inwards, the bearing surface (19) increases.
Resumen de: EP4588561A1
Provided is a composite including molybdenum disulfide and molybdenum trioxide, in which the molybdenum disulfide includes a 3R crystal structure, and the percentage content of a molybdenum trioxide-equivalent value (B) calculated from the molybdenum content determined by XRF analysis of the composite relative to the total mass of the composite is 5 to 90 mass%. Also provided is a catalytic ink including the composite and a solvent. Also provided is a method for producing the composite, including a calcination step of heating molybdenum trioxide in the presence of a sulfur source at a temperature of 400°C or less.
Resumen de: WO2024086793A1
The present disclosure provides a catalyst, methods of manufacturing the catalyst, and methods for using the catalyst for ammonia decomposition to produce hydrogen and nitrogen. The catalyst may comprise an electrically conductive support with a layer of one or more metal oxides adjacent to the support and at least one active metal adjacent to the layer. Methods are disclosed for deposition of metal oxide and active metal, drying and heat treatment. The method of using the catalyst may comprise bringing ammonia in contact with the catalyst in a reactor. The catalyst may be configured to be heated to a target temperature in less than about 60 minutes, by passing an electrical current through the catalyst. The method of using the catalyst may comprise bringing the catalyst in contact with ammonia at about 450 to 700 °C, to generate a reformate stream with a conversion efficiency of greater than about 70%.
Resumen de: KR20250111786A
본 발명의 일 실시예는, 선박에 탑재되며, 증기 또는 열을 생산하는 원자로와, 원자로의 출력을 조절가능한 출력조절부와, 원자로에서 생산되는 증기를 공급받아 발전가능하며, 선박에 전기를 공급하는 제1발전부와, 원자로에서 생산되는 열을 공급받아 발전가능하며, 선박에 전기를 공급하는 제2발전부 및 출력조절부와 전기적으로 연결되며, 제1발전부 및 제2발전부의 구동을 제어하는 제어부를 포함하며, 제어부는 원자로의 출력 크기와 미리 설정되는 출력값을 비교하여, 제1, 2발전부를 선택적으로 구동시키는 것을 특징으로 하는, 선박 발전 시스템 및 선박 발전 방법을 제공한다.
Resumen de: EP4588566A1
The present disclosure relates to a method of preparing a NiMo-MoO<sub>3-x</sub> porous nanorod catalyst based on a metal-organic framework and a non-precious metal alloy catalyst prepared thereby. The method of preparing a non-precious metal alloy catalyst according to the present disclosure can prepare an alloy catalyst that combine alloys and oxides and form nanorods having porosity and high surface area, and possess excellent HER performance close to that of commercial platinum catalysts.
Resumen de: EP4589053A1
An electrode, including: a substrate that has a surface composed of at least one of nickel, nickel oxide, and nickel hydroxide; and scale-like protruding parts provided on the surface of the substrate.
Resumen de: EP4588957A1
A block copolymer including one or more segments containing an ionic group (hereinafter referred to as an "ionic segment(s)") and one or more segments containing no ionic group (hereinafter referred to as a "nonionic segment(s)"), wherein the ionic segment has an aromatic hydrocarbon polymer having a number-average molecular weight of more than 40,000 and 50,000 or less, and wherein the block copolymer satisfies the relation of: Mn3 / (Mn1 + Mn2) > 1.5, wherein Mn1 represents the number-average molecular weight of the ionic segment, Mn2 represents the number-average molecular weight of the nonionic segment, and Mn3 represents the number-average molecular weight of the block copolymer. Provided is a block copolymer and a polymer electrolyte material produced using the same, wherein the block copolymer has excellent proton conductivity even under low-humidity conditions, has excellent mechanical strength and physical durability, and has an excellent in-process capability.
Resumen de: MX2025002822A
The problem addressed by the present invention is that of specifying a process for producing lithium hydroxide which is very energy efficient. The process shall especially operate without consumption of thermal energy. The process shall be able to handle, as raw material, Li-containing waters generated during digestion of spent lithium-ion batteries. The LiOH produced by the process shall have a high purity sufficient for direct manufacture of new LIB. The process shall achieve a high throughput and have small footprint in order that it can be combined with existing processes for workup of used LIB/for production of new LIB to form a closed, continuous production loop. The process according to the invention is an electrolytic membrane process operating with a LiSICon membrane. It is a special aspect of the process that the electrolysis is operated up to the precipitation limit of the lithium hydroxide.
Resumen de: KR20250111615A
본 발명은 수소생산장치에 관한 것으로, 제1전해질에 접촉하는 제1전극을 구비하는 제1전극모듈, 제1전극의 일 측에 배치되고 제2전해질에 접촉하는 제2전극을 구비하는 제2전극모듈, 제1전극과 제2전극 사이에 배치되고 제1전해질과 제2전해질을 격리하되 이온을 통과시키는 분리막을 포함한다. 제1전극모듈 또는 제2전극모듈 중 적어도 어느 하나는, 전극모듈 바디, 전극모듈 바디의 일 측에 형성되고 전극이 배치되는 전극홀을 포함하고, 제1전극은 전극모듈 바디에 분리 가능하게 결합되는 바, 전극의 손쉽게 교체할 수 있는 수소생산장치에 관한 것이다.
Resumen de: KR20250111624A
본 발명은 암모니아를 이용한 수소생산장치에 관한 것으로, 제1전해질에 접촉하는 제1전극을 구비하는 제1전극모듈, 제1전극의 일 측에 배치되고 제2전해질에 접촉하는 제2전극을 구비하는 제2전극모듈, 제1전극과 상기 제2전극 사이에 배치되고 제1전해질과 제2전해질을 격리하되 이온을 통과시키는 분리막을 포함하고, 분리막은 다이아프램인 것을 특징으로 하는 바, 충분한 크기의 분리막을 저렴한 비용으로 제조하여 실제 상용화할 수 있는 수소생산장치에 관한 것이다.
Resumen de: WO2024137217A1
A new multilayer ion-exchange membrane comprising an ion-exchange membrane layer, a catalyst layer coated on a first surface of the ion exchange membrane, a first polyelectrolyte multilayer coated on the catalyst layer, and optionally a second polyelectrolyte multilayer coated on a second surface of the ion-exchange membrane for electrolysis applications has been developed.
Resumen de: KR20250110977A
개시된 물 전기분해 시스템은, 적어도 하나의 금속 원소를 포함하며 산소팔면체간 연결성이 낮은 복합 산화물을 포함하는 촉매 및 상기 복합 산화물의 금속 원소와 동적 평형 원소 교환이 가능한 알칼리 금속, 알칼리 토금속 및 전이 금속 원소 중 적어도 하나를 포함하는 수용액을 포함한다. 상기 시스템은 동적 평형 원소 교환을 통해 촉매 내부 구조 붕괴를 억제함으로써 안정성을 개선할 수 있다.
Resumen de: KR20250111478A
본 발명의 실시예에 따른 전기화학적 수소 압축기용 분리판은 바디 플레이트, 바디 플레이트의 일측에 형성되며 제1 깊이를 갖는 공급 유로, 바디 플레이트의 타측에 형성되며 제2 깊이를 갖는 배출 유로, 바디 플레이트에 형성되며 공급 유로와 배출 유로를 연결하는 중간 유로 및 중간 유로와 인접한 중간 유로 사이에 배치되는 적어도 하나 이상의 리브를 포함하며, 제1 깊이와 제2 깊이는 서로 다르게 형성될 수 있다.
Resumen de: US2025230562A1
A solid oxide electrochemical cell includes a solid oxide electrolyte, a fuel-side electrode located on a first side of the solid oxide electrolyte, and an air-side electrode located on a second side of the solid oxide electrolyte. The air-side electrode includes a strontium getter material, a current collector layer and a functional layer located between the current collector layer and the second side of the solid oxide electrolyte.
Resumen de: NZ793935A
The present invention describes a processes, systems, and catalysts for the conversion of carbon dioxide and water and electricity into low carbon or zero carbon high quality fuels and chemicals. In one aspect, the present invention provides an integrated process for the conversion of a feed stream comprising carbon dioxide to a product stream comprising hydrocarbons between 5 and 24 carbon atoms in length.
Resumen de: WO2024137217A1
A new multilayer ion-exchange membrane comprising an ion-exchange membrane layer, a catalyst layer coated on a first surface of the ion exchange membrane, a first polyelectrolyte multilayer coated on the catalyst layer, and optionally a second polyelectrolyte multilayer coated on a second surface of the ion-exchange membrane for electrolysis applications has been developed.
Resumen de: TW202446709A
The invention relates to the field of hydrogen production from the catalytic cracking of ammonia. The invention comprises a primary cracking pathway comprising one or more catalyst containing reaction tubes disposed within a fired ammonia cracking reactor; and a parallel cracking pathway comprising one or more secondary ammonia cracking reactors arranged sequentially and in fluid connection with one another. The invention may be used to produce hydrogen from ammonia.
Resumen de: AU2023359480A1
The invention relates to a bipolar plate for an electrolytic cell, the plate comprising, on at least one of its main faces: a first zone running circumferentially; a second zone running circumferentially so as to be bordered on the outside by the first zone; a third zone running circumferentially so as to be bordered on the outside by the second zone, the various zones being arranged on the periphery of the associated main face. The invention also relates to the corresponding cell, electrolyzer cell and assembly method.
Resumen de: WO2023246668A1
Disclosed in the present invention is an ammonia decomposition reactor having an ammonia preheating function. The reactor comprises a heat exchanger body and a reactor body; the heat exchanger body wraps the outer side of the reactor body; heat exchange tubes on the heat exchanger body are arranged in heat exchange housings; one end of each heat exchange tube is communicated with an ammonia heat exchange inlet, and the other end of the heat exchange tube is communicated with an ammonia heat exchange outlet; a heating agent inlet and a heating agent outlet on the heat exchanger body are respectively communicated with the heat exchange housings; catalyst tubes on the reactor body are arranged in a reaction housing; the ammonia heat exchange outlet on the heat exchanger body is communicated with an ammonia inlet on the reactor body; the ammonia inlet is communicated with an ammonia decomposition gas outlet by means of the catalyst tubes; and the ammonia decomposition gas outlet is communicated with the heating agent inlet on the heat exchanger body. According to the present invention, the reactor is compact in structure, high-temperature gas of an ammonia decomposition gas in the reactor is used as a heat medium of a heat exchanger, and heat is provided for ammonia for preheating, so that ammonia entering the reactor is in a high-temperature state, and the ammonia decomposition reaction in the reactor is more sufficient.
Resumen de: US2025179941A1
A thermal energy storage system with fluid flow insulation, the system including heated thermal storage blocks positioned within a housing, and a method for operating the thermal energy storage system, including providing a flow of fluid into the housing, the fluid convectively extracting heat from a top region, a side region and a bottom region of the thermal energy storage system, to generate heated fluid that insulates the thermal storage blocks from the housing and a foundation of the thermal energy storage system.
Resumen de: MX2025002826A
The problem addressed by the present invention is that of specifying a process for electrochemical production of LiOH from Li<sup>+</sup>-containing water using an electrochemical cell having a LiSICon membrane which is operable economically even on an industrial scale. The process shall especially have a high energy efficiency and achieve a long service life of the membrane even when the employed feed contains impurities damaging to LiSICon materials. The problem is solved by adjusting the flow conditions in the anodic compartment of the electrochemical cell such that the anolyte flows along the membrane at a certain minimum flow rate.
Resumen de: US2025179941A1
A thermal energy storage system with fluid flow insulation, the system including heated thermal storage blocks positioned within a housing, and a method for operating the thermal energy storage system, including providing a flow of fluid into the housing, the fluid convectively extracting heat from a top region, a side region and a bottom region of the thermal energy storage system, to generate heated fluid that insulates the thermal storage blocks from the housing and a foundation of the thermal energy storage system.
Resumen de: MX2025002822A
The problem addressed by the present invention is that of specifying a process for producing lithium hydroxide which is very energy efficient. The process shall especially operate without consumption of thermal energy. The process shall be able to handle, as raw material, Li-containing waters generated during digestion of spent lithium-ion batteries. The LiOH produced by the process shall have a high purity sufficient for direct manufacture of new LIB. The process shall achieve a high throughput and have small footprint in order that it can be combined with existing processes for workup of used LIB/for production of new LIB to form a closed, continuous production loop. The process according to the invention is an electrolytic membrane process operating with a LiSICon membrane. It is a special aspect of the process that the electrolysis is operated up to the precipitation limit of the lithium hydroxide.
Resumen de: MX2025002871A
The present invention relates to the electrochemical production of hydrogen and lithium hydroxide from Li+-containing water using a LiSICon membrane. The problem addressed by the present invention is that of specifying a process which is operable economically even on an industrial scale. The process shall especially exhibit a high energy efficiency and achieve a long service life of the membrane even when the employed feed contains impurities harmful to LiSICon materials. A particular aspect of the process is that the cell simultaneously separates off the lithium via the membrane and effects electrolysis of water. An essential aspect of the process is that the electrochemical process is performed in a basic environment, more precisely at pH 9 to 13. The pH is adjusted by addition of a basic compound to the feed.
Resumen de: US2025179941A1
A thermal energy storage system with fluid flow insulation, the system including heated thermal storage blocks positioned within a housing, and a method for operating the thermal energy storage system, including providing a flow of fluid into the housing, the fluid convectively extracting heat from a top region, a side region and a bottom region of the thermal energy storage system, to generate heated fluid that insulates the thermal storage blocks from the housing and a foundation of the thermal energy storage system.
Resumen de: WO2025149217A1
The present invention relates to an alkaline electrolysis device comprising: - at least one electrolysis cell having a reactor chamber, which has a hydrogen-side reactor-chamber region, containing the aqueous electrolyte, for breaking down the aqueous electrolyte into gaseous hydrogen and has an oxygen-side reactor-chamber region, containing the aqueous electrolyte, for breaking down the aqueous electrolyte into gaseous oxygen; - a hydrogen separator, which is connected to the hydrogen-side reactor-chamber region, for separating the gaseous hydrogen from the aqueous electrolyte introduced into the hydrogen separator; and - an oxygen separator, which is connected to the oxygen-side reactor-chamber region, for separating the gaseous oxygen from the aqueous electrolyte introduced into the oxygen separator; wherein the hydrogen separator comprises a first hydrogen-separator outlet for removing the aqueous electrolyte having a first hydrogen concentration, and a second hydrogen-separator outlet for removing the aqueous electrolyte having a second hydrogen concentration that is lower than the first hydrogen concentration; and wherein the first hydrogen-separator outlet and the second hydrogen-separator outlet can be or are connected to the reactor chamber.
Resumen de: WO2025150454A1
Provided is an operation method for a dehumidifier device for dehumidifying hydrogen gas produced by a hydrogen production device. The dehumidifier device comprises; a dehumidifier; a discharge line for discharging hydrogen gas dehumidified by the dehumidifier from the dehumidifier; a dew point measurement line connected to the discharge line; a dew point meter provided on the dew point measurement line; and an inlet valve and an outlet valve provided on opposite sides of the dew point meter on the dew point measurement line. The method includes: a stop step of stopping discharge of the hydrogen gas from the dehumidifier to the discharge line; and a maintenance step of maintaining a state in which a dew point meter installation part including at least a installation place of the dew point meter on the dew point measurement line is filled with dry gas when the discharge of the hydrogen gas from the dehumidifier to the discharge line is stopped.
Resumen de: US2025230560A1
An electrolyzer cell comprises a first half cell comprising a housing at least partially enclosing a cell interior, a first electrode coated with a first catalyst coating, wherein the first electrode is coupled to the housing in the cell interior without welding, a second electrode coupled to the housing in the cell interior without welding, and a separator positioned between the first electrode and the second electrode, wherein a voltage is applied between the first electrode and the second electrode.
Resumen de: US2025230562A1
A solid oxide electrochemical cell includes a solid oxide electrolyte, a fuel-side electrode located on a first side of the solid oxide electrolyte, and an air-side electrode located on a second side of the solid oxide electrolyte. The air-side electrode includes a strontium getter material, a current collector layer and a functional layer located between the current collector layer and the second side of the solid oxide electrolyte.
Resumen de: US2025230555A1
A method of generating hydrogen including applying a potential of −0.1 volts (V) to −1.0 V to an electrochemical cell, and the electrochemical cell is at least partially submerged in an aqueous solution. Further, on the application of the potential, the aqueous solution is reduced, thereby forming hydrogen. The electrochemical cell includes an electrocatalyst and a counter electrode. The electrocatalyst includes a substrate and vanadium-doped manganese spinel oxide microspheres (MnVxCo2-xO4) particles. The value of x is ≤0.4, the MnVxCo2-xO4 particles have a spherical shape, the MnVxCo2-xO4 particles have an average diameter of less than 100 nanometers (nm), and the MnVxCo2-xO4 particles are dispersed on the substrate to form the electrocatalyst.
Resumen de: US2025230563A1
The present invention relates to an electrocatalyst comprising a Cu substrate coated with a 3D TiO2/Cu microrods array decorated with nanoparticles of a noble metal, preferably Ru nanoparticles, an electrochemical cell comprising said electrocatalyst and their use for hydrogen production via hydrogen evolution reaction (HER) in basic conditions. The present invention also refers to an in-situ process for the preparation of said electrocatalyst and simultaneous production of hydrogen. The present invention also refers to a process for producing hydrogen which utilizes the electrochemical cell comprising the electrocatalyst according to the invention.
Resumen de: US2025230040A1
Methods and systems for splitting one or more of water and carbon dioxide are disclosed. Exemplary methods can operate under substantially isothermal conditions. The methods can include use of a material including two or more spinel phases in a solid solution. The solid solution can include oxygen, aluminum, and one or more transition metals.
Resumen de: US2025230108A1
A hydrocarbon generation system includes a hydrocarbon generator, an electrolyzer, a water vapor supply line, and a heat exchanger. The hydrocarbon generator generates hydrocarbon through an exothermic reaction between a carbon oxide gas and hydrogen. The electrolyzer generates hydrogen from water vapor of raw materials, the generated hydrogen being supplied to the hydrocarbon generator. The water vapor supply line generates the water vapor of the raw materials by evaporating liquid water of the raw materials and supplies the generated water vapor to the electrolyzer. The heat exchanger uses heat of a reaction generated in the hydrocarbon generator to evaporate the liquid water of the raw materials in the water vapor supply line via heat transfer oil.
Resumen de: US2025230790A1
A system and method by which energy from ocean waves is converted into hydrogen, and that hydrogen is used to manifest electrical and mechanical energies by an energy consuming device. A portion of the generated electrical power is communicated to water electrolyzers which produce oxygen and hydrogen from water as gases. At least a portion of the generated hydrogen gas is transferred to a transportation ship via a hose-carrying, remotely operated (or otherwise unmanned) vehicle, and subsequently transferred to an energy-consuming module or infrastructure, where a portion of the hydrogen is consumed in order to manifest a generation of electrical energy, a mechanical motion, and/or a chemical reaction.
Resumen de: AU2024287197A1
A method for optimizing and controlling collaborative operation of an integrated energy system containing a complete hydrogen energy chain, comprising: building a complete hydrogen energy chain in an integrated energy system, and modeling the built complete hydrogen energy chain considering waste heat utilization of an electrolytic cell, a hydrogen-fired turbine, and a fuel cell and economic benefits achieved by hydrogen production by-products; considering system operation flexibility, hydrogen pipeline expansion, and equipment waste heat utilization based on a traditional power system model, a refined model of the complete hydrogen energy chain, a heat-related equipment model, and performing single objective and multi-objective optimization during solving; and optimizing a connection configuration between the complete hydrogen energy chain and the integrated energy system according to a solved result, and regulating and controlling output quantities of various types of energy between the complete hydrogen energy chain and the integrated energy system. A method for optimizing and controlling collaborative operation of an integrated energy system containing a complete hydrogen energy chain, comprising: building a complete hydrogen energy chain in an integrated energy system, and modeling the built complete hydrogen energy chain considering waste heat utilization of an electrolytic cell, a hydrogen-fired turbine, and a fuel cell and economic benefits achieved by hydrogen produc
Resumen de: AU2024210539A1
In this water electrolysis system, an alternating current (AC)-side connection end of a power converter is connected to an AC power system, at least one electrolytic stack and a series circuit configured by connecting the at least one electrolytic stack to a circuit breaker is connected to a direct current (DC)-side connection end of the power converter, before disconnecting the electrolytic stack from the series circuit, a controller reduces the power flowing to the DC-side connection end while controlling the speed at which the power converter reduces the power flowing to the DC-side connection end to a speed at which a difference from the reference value of the voltage amplitude of the AC power system is less than a predetermined value, and when the circuit breaker reaches a power sufficient to disconnect the internal DC circuit, the controller disconnects the circuit breaker connected to the DC circuit to disconnect the electrolytic stack from the series circuit.
Resumen de: AU2025204790A1
SYSTEM AND METHOD FORO CARBON DIOXIDE REACTOR CONTROL A system preferably including a carbon dioxide reactor. A method for carbon dioxide reactor control, preferably including selecting carbon dioxide reactor aspects based on a desired output composition, running a carbon dioxide reactor under controlled process conditions to produce a desired output composition, and/or altering the process conditions to alter the output composition. SYSTEM AND METHOD FORO CARBON DIOXIDE REACTOR CONTROL A system preferably including a carbon dioxide reactor. A method for carbon dioxide reactor control, preferably including selecting carbon dioxide reactor aspects based on a desired output composition, running a carbon dioxide reactor under controlled process conditions to produce a desired output composition, and/or altering the process conditions to alter the output composition. un u n s y s t e m p r e f e r a b l y i n c l u d i n g a c a r b o n d i o x i d e r e a c t o r m e t h o d f o r c a r b o n d i o x i d e r e a c t o r c o n t r o l , p r e f e r a b l y i n c l u d i n g s e l e c t i n g c a r b o n d i o x i d e r e a c t o r a s p e c t s b a s e d o n a d e s i r e d o u t p u t c o m p o s i t i o n , r u n n i n g a c a r b o n d i o x i d e r e a c t o r u n d e r c o n t r o l l e d p r o c e s s c o n d i t i o n s t o p r o d u c e a d e s i r e d o u t p u t c o m p o s i t i o n , a n d o r a l t e r i n g t h e p r o c e s s c o n d i t i o n s t o a l t e r t h e
Resumen de: MX2025000634A
A water electrolysis system including a container; a plurality of microcells located inside the container; the microcells are centered around a central axis of the container; a first bracket located on a first side of the microcells; a second bracket located on a second side of the microcells; a plurality of magnets mounted on the first and the second brackets, the magnets are placed in parallel to the microcells; a liquid inside the container. The first and the second brackets are adapted to be connected to a motor. The first and the second brackets rotate during the electrolysis process. The magnets on the first bracket produce a first magnetic field and the magnets on the second bracket produce a second magnetic field; and the first and the second magnetic fields have opposite polarity.
Resumen de: CN119546546A
The invention relates to a method for producing hydrogen by photodissociation of water, comprising at least one step of contacting an aqueous solution with oxidized nanodiamonds under solar, natural or artificial illumination (or light).
Resumen de: WO2025150583A1
The present invention relates to a porous transport layer and a water electrolysis system comprising same. The porous transport layer according to the present invention may comprise a porous layer including a fluorine-based resin region in a part of one or both surfaces of the porous layer.
Resumen de: WO2025148994A1
The present invention provides a direct electrolysis seawater hydrogen production method that effectively inhibits precipitation. In the present invention, natural seawater is used as an electrolyte; an alternating current is applied to an electrode; the polarity of the electrode is periodically and alternately converted between a cathode state and an anode state by utilizing the periodic change of the voltage of the alternating current; and when the electrode is in the anode state, OH- generated by means of a hydrogen evolution reaction in the cathode state is consumed to inhibit precipitation and a catalytic activity decrease of the electrode. The present invention further provides a solution electrolysis hydrogen production method that generates a precipitate under alkaline conditions.
Resumen de: US2024395434A1
A reactor block to extract hydrogen from water includes a first opening configured to receive gasified water, a second opening, and a reactor plate. A channel is formed in the reactor plate and disposed in a fluid path between the first opening and the second opening and a radioactive coating is applied to the channel. The second opening is configured to eject hydrogen generated by radiolysis of at least a portion of the gasified water received at the first opening and passed through the channel to the second opening.
Resumen de: CN119604997A
The invention relates to: a bipolar plate (1); and an electrochemical cell (12) comprising a plurality of such bipolar plates (1, 1 '). The bipolar plate (1) comprises a first half plate (1a) and a second half plate (1b) which are fixedly connected with each other, the bipolar plate (1) is provided with a plurality of fluid channel openings (2), and the fluid channel openings comprise fluid inlet openings (2a, 2c and 2e) and fluid outlet openings (2b, 2d and 2f); on both sides of the bipolar plate (1) there are a first distributor field (3) for distributing the fluid, an active field (4) and a second distributor field (5) for distributing the fluid. At least one seal (6, 6 ') is also present on each side of the bipolar plate (1), the seals (6, 6') being positioned one above the other in at least one transition region (7) between the fluid channel opening (2) and the adjacent distributor field (3, 5) as seen perpendicularly to the plane of expansion of the bipolar plate (1) and being reinforced by embossing structures (9a, 9b).
Resumen de: AT527859A1
Elektrolyseur zur alkalischen Wasserstoffelektrolyse, umfassend eine Gleichspannungsquelle, insbesondere einen Gleichrichter (1) mit einem elektrischen Plus-Pol (2) und einem elektrischen Minus-Pol (3), sowie Medienzuleitungen (4) für ein Elektrolysemedium und Medienableitungen (5) für Produktmedien, wobei zwischen dem Plus-Pol (2) und dem Minus-Pol (3) mehrere, über elektrische Verbindungsleitungen (9) in Serie geschaltete Elektrolyseblöcke (6) angeschlossen sind, wobei die Elektrolyseblöcke (6) jeweils eine Vielzahl elektrisch in Serie geschalteter und bündig mechanisch verspannter Elektrolysezellen (7) aufweisen, wobei die Medienzuleitungen (4) und die Medienableitungen (5) jeweils seriell durch die Elektrolyseblöcke (6) verlaufen und sich innerhalb jedes einzelnen Elektrolyseblocks (6) auf individuelle Zellzuleitungen (4‘, 4‘‘) und individuelle Zellableitungen (5‘, 5‘‘) der Elektrolysezellen (7) verteilen.
Resumen de: WO2025150583A1
The present invention relates to a porous transport layer and a water electrolysis system comprising same. The porous transport layer according to the present invention may comprise a porous layer including a fluorine-based resin region in a part of one or both surfaces of the porous layer.
Resumen de: JP2025106288A
【課題】水素を生成する方法を提供する。【解決手段】水素を生成する方法は、燃料を含む第１のストリームを装置に導入すること、水を含む第２のストリームを装置に導入すること、第２のストリーム中の水を水素に還元すること、および水素を装置から抽出することを含む。第１のストリームおよび第２のストリームは、装置内で互いに接触しない。【選択図】図６Ｂ
Resumen de: US2023373882A1
The invention relates to a process, catalysts, materials for conversion of renewable electricity, air, and water to low or zero carbon fuels and chemicals by the direct capture of carbon dioxide from the atmosphere and the conversion of the carbon dioxide to fuels and chemicals using hydrogen produced by the electrolysis of water.
Resumen de: TW202446709A
The invention relates to the field of hydrogen production from the catalytic cracking of ammonia. The invention comprises a primary cracking pathway comprising one or more catalyst containing reaction tubes disposed within a fired ammonia cracking reactor; and a parallel cracking pathway comprising one or more secondary ammonia cracking reactors arranged sequentially and in fluid connection with one another. The invention may be used to produce hydrogen from ammonia.
Resumen de: WO2025146950A1
The present invention relates to a system for producing hydrogen while interworking with a nuclear power plant, the system comprising: a water electrolysis facility for producing hydrogen and oxygen by using vapor supplied from a nuclear power plant; and a power supply controller for selecting at least one reactor module from multiple reactor modules for hydrogen production by the water electrolysis facility, and selecting at least one from multiple generators or power grids such that power is supplied therefrom to the water electrolysis facility. According to an embodiment, power and hydrogen can be simultaneously produced. Particularly, hydrogen can be produced continuously in an economical and effective manner by selecting an optimal reactor module from multiple reactor modules for hydrogen production and by selecting an optimal power supply source from various power sources.
Resumen de: WO2024116062A1
The present invention relates to a symmetrical separator membrane for electrolysis of alkaline water and with homogeneous distribution of the pores.
Resumen de: AU2023359478A1
The invention relates to a method for joining a stack of elements together, the method comprising the steps of: individually joining subassemblies of the elements together; joining the subassemblies together by arranging a joint between each subassembly to form the stack of elements; applying consecutive phases of heating and cooling to the stack of elements while applying at least one clamping action to the stack of elements between two different phases of heating and cooling.
Resumen de: CN118461072A
The invention discloses an electrolytic hydrogen production system and a control method thereof. The electrolytic hydrogen production system comprises a plurality of electrolytic cells, the control method comprises the following steps: acquiring a state code of each electrolytic cell; the state code reflects the state information of the electrolytic cell; and controlling the hydrogen production capacity of each electrolytic cell according to each state code. According to the technical scheme, intelligent control over the electrolytic hydrogen production system is achieved, the hydrogen production capacity of all the electrolytic cells is reasonably distributed, and therefore the electrolytic hydrogen production system is in the optimal operation state all the time, and the stability of the electrolytic hydrogen production system and the electrolytic hydrogen production efficiency can be improved.
Resumen de: US2025223539A1
A method for optimal production of methane from a storage horizon configured as an underground bioreactor, the method including obtaining environmental data for a renewable energy facility that produces hydrogen and obtaining process data from an industrial facility that produces carbon dioxide. The method further includes injecting the produced hydrogen, the produced carbon dioxide, and a selection of microbes, the selection defined by a set of microbe parameters, into the bioreactor. The bioreactor produces a quantity of methane that is controlled by, at least in part, a set of operation parameters. The method further includes determining, with a composite artificial intelligence model, a predicted methane production from the bioreactor based on the environmental data, the process data, the set of microbe parameters, and the set of operation parameters and adjusting, automatically, the set of operation parameters and the set of microbe parameters to optimize methane production.
Resumen de: US2025223547A1
Microorganisms and bioprocesses are provided that convert gaseous substrates, such as renewable H2 and waste CO2 producer gas, or syngas into high-protein biomass that may be used directly for human nutrition, or as a nutrient for plants, fungi, or other microorganisms, or as a source of soil carbon, nitrogen, and other mineral nutrients. Renewable H2 used in the processes described herein may be generated by electrolysis using solar or wind power. Producer gas used in the processes described herein may be derived from sources that include gasification of waste feedstock and/or biomass residue, waste gas from industrial processes, or natural gas, biogas, or landfill gas.
Resumen de: KR20250106356A
본 발명은 암모니아 연료 기반 연료전지 및 배터리 하이브리드 선박의 제어 시스템에 관한 것이다. 상세하게는, 암모니아를 운반하는 선박에 있어서 액체 상태로 암모니아를 저장하는 암모니아 저장탱크, 상기 암모니아 저장탱크에 저장된 암모니아 일부를 개질하여 추출한 수소를 저장하는 수소저장탱크, 상기 암모니아 또는 수소를 공급받아 선박 전력계통에 전력을 공급하기 위한 전력을 생성하는 연료전지부, 상기 선박 내 전력 안정성을 위해 배치되는 배터리부, 상기 선박이 육상에 정박하면 육상의 전력을 선박에 공급하는 육상전원 공급 설비 및 상기 연료전지부 및 배터리부를 통해 선박 내 공급하는 전력을 제어하는 제어부를 포함하는 것을 특징으로 한다.
Resumen de: AU2023285998A1
The present invention provides a portable 12-volt system for cooking/heating, utilising hydrogen gas. The said stove runs from a 12-volt battery supply, hydrogen is not stored - the gas is only produced on demand. The concept developed is a one-off functional prototype to demonstrate proof of concept. The proof of concept demonstrates the ability to produce hydrogen gas flames from a 12-volt power source, to be used as a cooking or heating output. The accompanied drawings are the latest iteration post physical prototype development. The present invention provides a portable 12-volt system for cooking/heating, utilising hydrogen gas. The said stove runs from a 12-volt battery supply, hydrogen is not stored - the gas is only produced on demand. The concept developed is a one-off functional prototype to demonstrate proof of concept. The proof of concept demonstrates the ability to produce hydrogen gas flames from a 12-volt power source, to be used as a cooking or heating output. The accompanied drawings are the latest iteration post physical prototype development. ec h e p r e s e n t i n v e n t i o n p r o v i d e s a p o r t a b l e - v o l t s y s t e m f o r c o o k i n g h e a t i n g , u t i l i s i n g h y d r o g e n g a s h e s a i d s t o v e r u n s f r o m a - v o l t b a t t e r y s u p p l y , h y d r o g e n i s n o t s t o r e d - t h e e c g a s i s o n l y p r o d u c e d o n d e m a n d h e c o n c e p t d e v e l o p e d i s a o n e - o f f f u n c t i o n a
Resumen de: AU2024211141A1
The invention provides an electrolyser system (10) comprising a heat storage unit (14) and an electrolyser (16). The heat storage unit (14) comprises at least one heat source infeed. The electrolyser (16) comprises at least one electrolyser cell (20), a steam inlet and at least one off-gas outlet. The off-gas outlet is connected to the heat source infeed to heat the heat storage unit (14). The heat storage unit (14) is configured to use its stored heat to produce steam for feeding into the steam inlet and for generating electrical power, either one at a time or both at the same time. The invention also provides a system comprising an intermittent or variable electricity source (12) and an electrolyser system (10) as defined above. The intermittent or variable electricity source (12) can be configured to power the electrolyser (16) and to heat the heat storage unit (14) via a heating element, either both at the same time or individually.
Resumen de: AU2023417560A1
A small scale high-pressure electrolyzer for generating hydrogen and oxygen is provided comprising one or more units each comprising a plurality of high-pressure electrolytic cells, wherein the electrolytic cells of each unit are electrically connected in series, as well as a central electrolyt header, functionally connected to each electrolytic cell for the supply of liquid electrolyt to the cell; a central hydrogen header connected to each electrolytic cell for the discharge of generated hydrogen from the cell; a central oxygen header connected to each electrolytic cell for the discharge of generated oxygen from the cell; a direct current power source for the power supply to each unit of serially connected electrolytic cells; wherein the units of serially connected electrolytic cells are electrically connected in parallel.
Resumen de: DK202370641A1
0083 Disclosed is an electrolysis cell element (1) comprising, a support structure (2) comprising an inner aperture (3), and a bipolar plate (4) being suspended in the inner aperture (3). The support structure (2) comprises a structure core (5) and a coating (6), wherein the coating (6) includes a thermoplastic material at least partly enclosing the structure core (5) and wherein the bipolar plate (4) is suspended in the inner aperture (3) by means of the coating (6). 0084 An electrolysis cell stack (10) and use of an electrolysis cell stack (10) is also disclosed.
Resumen de: AU2023303893A1
An estimation system for estimating current efficiency of an electrolyser comprises a data processing system (105) for computing heat loss of the electrolyser based on specific heat capacity of electrolyte, a flow rate of the electrolyte in a cathode side of the electrolyser, a flow rate of the electrolyte in an anode side, a temperature difference (T1c - T0c) between electrolyte circulation outlet and inlet of the cathode side, and a temperature difference (T1a - T0a) between electrolyte circulation outlet and inlet of the anode side. The current efficiency is estimated based on a difference between electric power supplied to the electrolyser and the computed estimate of the heat loss, and on a product of thermoneutral voltage of electrolysis cells of the electrolyser and electric current supplied to the electrolyser.
Resumen de: CN119497764A
The present invention relates to a method for operating a high temperature solid oxide electrolysis system suitable for converting a fuel stream into a product stream and a system for implementing the method. The method includes drying the moist purge gas and using the waste purge gas as a regeneration gas in the drying unit.
Resumen de: JP2024023781A
To provide a hydrogen production cell of which a thickness per cell is reduced as compared with a conventional one.SOLUTION: A hydrogen side current collector 12 and an oxygen side current collector 13 are arranged on both sides of an electrolyte membrane 11. A separator 14 with a flat surface is arranged outside the hydrogen side current collector 12. A flow passage forming plate 15 and a separator 16 are arranged outside the oxygen side current collector 13. Since a flow passage dedicated for collecting water and a hydrogen gas generated when electrolysis is performed is not formed between the hydrogen side current collector 12 and the separator 16, the thickness of the cell itself can be reduced. These reaction fluids generated during the electrolysis are discharged from the inside of the hydrogen side current collector 12.SELECTED DRAWING: Figure 3
Resumen de: US2025223163A1
A highly crystalline mesoporous sulphur functionalized carbon nitride and a process for producing the same. The process including the steps of: providing a carbon nitride precursor material; mixing the carbon nitride precursor material with a metal salt to form a first mixture; and, thermally treating the first mixture to produce the crystalline carbon nitride.
Resumen de: WO2025147215A1
The present disclosure relates to a bipolar hydrogen production system and a method for producing hydrogen gas from the bipolar hydrogen production system. The system comprises a silver-based anodic catalyst deposited on an anode electrode, a cathode electrode, and an alkaline electrolyte containing an organic compound with aldehyde functional group extracted from lignocellulosic biomass waste or an aldehyde-containing chemical compound extracted from chemical waste.
Resumen de: WO2025146950A1
The present invention relates to a system for producing hydrogen while interworking with a nuclear power plant, the system comprising: a water electrolysis facility for producing hydrogen and oxygen by using vapor supplied from a nuclear power plant; and a power supply controller for selecting at least one reactor module from multiple reactor modules for hydrogen production by the water electrolysis facility, and selecting at least one from multiple generators or power grids such that power is supplied therefrom to the water electrolysis facility. According to an embodiment, power and hydrogen can be simultaneously produced. Particularly, hydrogen can be produced continuously in an economical and effective manner by selecting an optimal reactor module from multiple reactor modules for hydrogen production and by selecting an optimal power supply source from various power sources.
Resumen de: US2025223707A1
Provided is a power generation system (100) comprising: a gas turbine (10) for combusting air compressed by a compressor (11) and a fuel gas using a combustor (12) to generate combustion gas and drive a turbine (13) and a compressor connected to the turbine using the combustion gas; a heat storage structure (30) heated by the combustion gas with which the turbine is driven; a boiler (40) for generating steam using heat stored in the heat storage structure (30); and a solid oxide electrolytic cell (50) having a hydrogen electrode (51), an oxygen electrode (52), and an electrolyte layer (53) positioned between the hydrogen electrode and the oxygen electrode, the solid oxide electrolytic cell (50) supplying steam generated by the boiler (40) to the hydrogen electrode (51) to generate hydrogen through steam electrolysis.
Resumen de: US2025223714A1
Provided are a proton conductor 2 obtained by molding a solid electrolyte ceramic using hydrogen ions or ions containing hydrogen as charge carriers into a flat plate shape or a curved surface shape; a pair of hydrogen permeable electrode bodies 31 and 32 that have hydrogen permeability and conductivity and are formed of a solid that is airtight to gases other than hydrogen, and are arranged so as to sandwich the hydrogen ion conductive solid; a pair of media 41 and 42 arranged so as to sandwich the proton conductor 2 and the pair of hydrogen permeable electrode bodies 31 and 32; and a power supply 5 that applies a voltage between the pair of hydrogen permeable electrode bodies 31 and 32 to induce a current.
Resumen de: US2025223713A1
An electrochemical cell for a high-pressure electrolyzer contains a closed cell frame made of a high-pressure-resistant first material; an electrochemical reaction region, which is arranged completely inside the cell frame and contains an anodic half-cell and a cathodic half-cell; a gap, which spatially separates the reaction region from the cell frame; and a second material introduced into the gap. The second material is an electrical insulator, and the second material has a lower diffusion coefficient with respect to the entry of foreign ions into the reaction region. A plurality of the electrochemical cells are used to form a cell stack and the cell stack is used to form a high-pressure electrolyzer.
Resumen de: US2025223546A1
Microorganisms and bioprocesses are provided that convert gaseous substrates, such as renewable H2 and waste CO2 producer gas, or syngas into high-protein biomass that may be used directly for human nutrition, or as a nutrient for plants, fungi, or other microorganisms, or as a source of soil carbon, nitrogen, and other mineral nutrients. Renewable H2 used in the processes described herein may be generated by electrolysis using solar or wind power. Producer gas used in the processes described herein may be derived from sources that include gasification of waste feedstock and/or biomass residue, waste gas from industrial processes, or natural gas, biogas, or landfill gas.
Resumen de: KR20250106346A
본 발명은 연료 공급 장치. 이에 대한 제어 방법 및 이를 포함하는 선박에 관한 것이다. 이에 따른 연료 공급 장치는, 엔진에 구비되는 연료 공급 장치로서 암모니아 저장 탱크로부터 저장된 액체 암모니아 중 일부를 공급 받는 개질기, 상기 개질기로부터 개질된 암모니아 가스 중 일부를 공급 받는 분리막, 상기 분리막에서 상기 암모니아 가스로부터 분리된 수소를 저장하는 수소 저장 탱크, 상기 액체 암모니아 중 나머지, 상기 암모니아 가스 중 나머지 및 상기 분리막에서 분리되지 않은 암모니아 가스 중 적어도 하나를 저장하는 연료 저장부, 및 상기 엔진의 연료 조건에 기초하여 상기 액체 암모니아 중 나머지의 양 및 상기 암모니아 가스 중 나머지의 양 중 적어도 하나를 제어하는 제어부를 포함할 수 있다.
Resumen de: GB2636962A
An electrolyser system (10) and a method of operating an electrolyser system (10), the electrolyser system (10) comprising an electrolyzer (16) and a metal hydride or adsorption-desorption compressor (24), where the electrolyser (16) has at least one electrolyser cell with a steam input (22) and at least one gas output. The method comprises supplying steam through a first side of the electrolyser cell at the steam input (22), operating the electrolyser (16) to split part of the steam into hydrogen and oxygen in the at least one electrolyser cell, venting a mixture of the hydrogen and the remaining steam from the first side of the electrolyser cell at the at least one gas output (18), passing the mixture into the metal hydride or adsorption-desorption compressor (24), and cryo-adsorbing the hydrogen of the mixture in the metal hydride or 15 adsorption-desorption compressor (24) to compress the hydrogen and desorbing the compressed hydrogen from the metal hydride or adsorption-desorption compressor (24). The electrolyser system (10) is connected to a source of cold waste gas to operate the cryo-adsorption.
Resumen de: CN119866392A
A coating method for an electrolytic cell assembly is provided. The method includes coating at least a portion of the component with an acidic solution of platinum cations, and reducing the coated platinum cations with a reducing agent to form a layer of platinum metal on the component.
Resumen de: AU2023331556A1
The invention relates to a photoelectric cell with a silicon carbide electrode (4) for photocatalytic production of hydrogen and to a production method for same. The cell has, on one side of the silicon carbide electrode (4), a window (2) for letting in light (5) and, on the other side of the silicon carbide electrode (4), an aqueous electrolyte (10) and a counter electrode (6). The cell is electrolyte-free on the side of the silicon carbide electrode (4) facing the window. The silicon carbide electrode (4) is preferably produced by coating a substrate (3) with silicon carbide (4).
Resumen de: CN119866395A
A membrane electrode assembly (MEA) for generating hydrogen gas in a water electrolyser is provided. The MEA comprises a polymer electrolyte membrane (REM); a cathode comprising a cathode catalyst on a first side of the REM; an anode comprising an anode catalyst on a second side of the REM; and a platinum-ruthenium (Pt-Ru) catalyst on a second side of the REM to electrochemically convert hydrogen to hydrogen cations in use. The Pt-Ru catalyst is in electrical contact with the anode and in contact with the REM ions.
Resumen de: EP4582589A1
The present application belongs to the technical field of electrolytic hydrogen production, and particularly relates to a direct air electrolytic hydrogen production system. The system comprises an energy supply module, an electrolytic hydrogen production module, an electrolyte recycling module and a moisture vapor self-trapping module, wherein the energy supply module is connected to the electrolytic hydrogen production module; the electrolytic hydrogen production module comprises an electrolyzer; and the electrolyte recycling module is connected to the electrolytic hydrogen production module and the moisture vapor self-trapping module separately. The system may realize direct air electrolytic hydrogen production, while its energy consumption for electrolysis is comparable to that of industrial pure water electrolysis for hydrogen production, without additional energy consumption for desalination/purification of impure water solutions or for harvesting moisture from the air. The system greatly broadens the range of hydrogen energy sources without time and space limitation, providing technical support for future distributed hydrogen energy arrangement.
Resumen de: KR20250105999A
본 개시는 촉매층 증착 방법에 관한 것으로, 보다 상세하게는 레이저를 사용하여 광수전해소자의 표면에 촉매층을 증착하는 방법에 관한 것이고, 개선된 광수전해효율을 갖는 광수전해소자를 제공할 수 있는 방법에 관한 것이다.
Resumen de: EP4582594A1
The present invention discloses a water electrolysis device including a metal particle fluidic electrode. The water electrolysis device of the present invention includes a cathode; a first fluid channel formed on the cathode; a cation exchange membrane (CEM) formed on the first fluid channel; a second fluid channel formed on the cation exchange membrane; and an anode formed on the second fluid channel, wherein the second fluid channel includes metal particles and is used as a metal particle fluidic electrode.
Resumen de: EP4582593A1
A membrane electrode assembly 6 for a water electrolysis cell includes a polymer electrolyte membrane 1 having a first main surface 1A and a second main surface 1B, a first electrode catalytic layer 2 disposed to the first main surface 1A of the polymer electrolyte membrane 1, a second electrode catalytic layer 3 disposed to the second main surface 1B of the polymer electrolyte membrane 1, an annular outer peripheral film 4 disposed to surround an outer peripheral surface of the polymer electrolyte membrane 1, and a first adhesive film 5A having a substrate layer 51 and an adhesive agent layer 52. The first main surface 1A of the polymer electrolyte membrane 1 has a first annular non-covered section 1AN that is not covered with the first electrode catalytic layer 2 along an outer periphery of the first main surface, and the adhesive agent layer 52 of the first adhesive film 5Ais adhered to the first annular non-covered section 1AN of the polymer electrolyte membrane 1 and to a main surface 4A of the outer peripheral film 4 at the same side as the first main surface 1A of the polymer electrolyte membrane 1.
Resumen de: EP4582592A1
An alkaline water electrolysis apparatus includes: a separation membrane including a first main surface and a second main surface opposite to the first main surface; a first electrode including a third main surface and a fourth main surface opposite to the third main surface, the third main surface being provided to face the first main surface of the separation membrane; and a first bipolar plate including a fifth main surface, the fifth main surface being provided in contact with the fourth main surface of the first electrode, wherein the first electrode consists of a first metal porous body having a three-dimensional mesh structure.
Resumen de: KR20250105933A
본 발명은 신규한 박테리아 셀룰로오스 발전 소자 및 이의 제조방법에 관한 것이다. 본 발명의 박테리아 셀룰로오스 발전 소자는 박테리아 셀룰로오스의 산소 함유기가 우수하고, 수분 흡수율이 뛰어나며, 특유의 다공성 구조로 인해 하이드로볼테익 발전에 우수한 성능을 보이며, 뛰어난 안정성을 보이면서도 비용 효율적인 하이드로볼테익 발전을 가능하게 한다.
Resumen de: AU2023405114A1
The invention relates to an electrolysis system (1) comprising an electrolyser (3) for producing hydrogen (H
Resumen de: CN115976552A
The invention provides an electrolytic bath which comprises a cathode end plate, a cathode insulating layer, an electrolytic unit, an anode insulating layer and an anode end plate which are sequentially arranged in the same direction, and the electrolytic unit comprises small electrolytic chambers which are arranged in series; from the cathode insulating layer to the anode insulating layer, each small electrolysis chamber comprises a cathode plate, a cathode sealing ring, a cathode gas diffusion layer, a diaphragm, an anode gas diffusion layer, an anode sealing ring and an anode plate which are sequentially arranged, and the cathode plates and the anode plates at the series connection parts between the small electrolysis chambers are combined to form a bipolar plate; the cathode plate comprises a cathode surface, the anode plate comprises an anode surface, the bipolar plate comprises a cathode surface and an anode surface, the cathode surface and the anode surface are provided with a concave area and an outer frame area, the outer frame area surrounds the concave area, the concave area is respectively provided with two confluence runners, and a branch runner is arranged between the two confluence runners; and the two ends of the branch flow channel are communicated with the confluence flow channel. According to the scheme, uniform diffusion of the electrolyte is realized.
Resumen de: AU2023374771A1
Cell for forming an electrolyser comprising at least one diaphragm or membrane having a first side and a second side opposite the first side, a first cell plate, arranged on the first side of the diaphragm, provided with a first electrode, provided with an inlet channel for supplying or draining electrolyte to or from the electrode, provided with a first discharge channel for discharging oxygen from the electrode, at least one second cell plate, arranged on the second side of the diaphragm, provided with a second electrode and provided with a second discharge channel for discharging hydrogen from the electrode wherein the at least one first and second cell plate are made of a polymer material.
Resumen de: US2022235426A1
Methods and systems for producing steel or similar molten-iron-containing materials in melting or smelting furnaces utilizing pre-reduced iron ore, known also as direct reduced iron (DRI) or sponge iron, wherein the emission of CO2 and other greenhouse gases is significantly low. Such methods and systems are based on producing DRI in a direct reduction furnace with a reducing gas comprising hydrogen; melting at least a portion of the DRI in a melting furnace in order to generate hot gases; producing steam and/or hot water using the heat contained in the hot gases. From the steam and/or hot water hydrogen is produced by electrolysis, at least a portion of which is fed to the direct reduction furnace as a component of the reducing gas to produce the DRI.
Resumen de: TW202507200A
A power generator is described that provides at least one of electrical and thermal power comprising (i) at least one reaction cell for reactions involving atomic hydrogen hydrogen products identifiable by unique analytical and spectroscopic signatures, (ii) a molten metal injection system comprising at least one pump such as an electromagnetic pump that provides a molten metal stream to the reaction cell and at least one reservoir that receives the molten metal stream, and (iii) an ignition system comprising an electrical power source that provides low-voltage, high-current electrical energy to the at least one stream of molten metal to ignite a plasma to initiate rapid kinetics of the reaction and an energy gain. In some embodiments, the power generator may comprise: (v) a source of H2 and O2 supplied to the plasma, (vi) a molten metal recovery system, and (vii) a power converter capable of (a) converting the high-power light output from a blackbody radiator of the cell into electricity using concentrator thermophotovoltaic cells or (b) converting the energetic plasma into electricity using a magnetohydrodynamic converter.
Resumen de: AU2024200214A1
MAGNETOHYDRODYNAMIC ELECTRIC POWER GENERATOR A power generator that provides at least one of electrical and thermal power comprising (i) at least one reaction cell for the catalysis of atomic hydrogen to form hydrinos identifiable by unique analytical and spectroscopic signatures, (ii) a reaction mixture comprising at least two components chosen from: a source of H20 catalyst or H20 catalyst; a source of atomic hydrogen or atomic hydrogen; reactants to form the source of H20 catalyst or H20 catalyst and a source of atomic hydrogen or atomic hydrogen; and a molten metal to cause the reaction mixture to be highly conductive, (iii) a molten metal injection system comprising at least one pump such as an electromagnetic pump that causes a plurality of molten metal streams to intersect, (iv) an ignition system comprising an electrical power source that provides low-voltage, high-current electrical energy to the plurality of intersected molten metal streams to ignite a plasma to initiate rapid kinetics of the hydrino reaction and an energy gain due to forming hydrinos, (v) a source of H2 and 0 2 supplied to the plasma, (vi) a molten metal recovery system, and (vii) a power converter capable of (a) converting the high power light output from a blackbody radiator of the cell into electricity using concentrator thermophotovoltaic cells or (b) converting the energetic plasma into electricity using a magnetohydrodynamic converter.
Resumen de: US2023023539A1
A method for generating hydrogen and oxygen using an electrolyzer, including at least one anode chamber having an anode and at least one cathode chamber having a cathode, wherein the at least one anode and the at least one cathode are energized by a modulated current and the generation of hydrogen and oxygen takes place within the electrolyzer using a defined pulse pattern sequence, which is formed from at least one pulse pattern.
Resumen de: WO2025143640A1
Disclosed is a hydrogen gas purification method for increasing the recovery rate and purity of purified hydrogen gas. According to one aspect, provided is a hydrogen gas purification method comprising purifying a mixed gas produced by an electrolysis method and containing chlorine gas and hydrogen gas.
Resumen de: KR20250102857A
본 발명은 정공 스캐빈저를 포함하는 광전기화학 수전해 시스템에 관한 것으로, 본 발명에 따르면, 광전극, 상대전극 및 전해질을 포함하는 광전기화학 수전해 시스템에서, 전해질에 티오황산암모늄 첨가제를 첨가함으로써, 전해질에 용해된 티오황산 음이온(S2O32-)이 정공과 반응이 낮은 에너지 장벽을 가지므로 쉽게 정공과 반응하여 정공의 포집 효율을 증가시키고, 암모늄 양이온((NH4)+)은 수전해시 전혀 석출되지 않아 광전극 촉매 열화를 방지하므로, 이에 수전해 효율 및 광전극의 수명을 증가시킬 수 있다.
Resumen de: AU2023390125A1
Catalyst ink formulas for the preparation of CCMs are described. The catalyst ink formulas comprise a catalyst, an ionomer, a solvent, and a porogen soluble in the solvent. The catalyst ink formula may also comprise an additive, such as an electron conductive polymer. The anode catalyst coating layer or both the anode and the cathode catalyst coating layers prepared from the catalyst ink formula comprises uniformly distributed nanopores that allow easy gas removal and uniform water feed distribution, which will avoid or reduce the direct energy losses for the electrolyzers. Catalyst coated membranes and methods of making a catalyst coated membranes are also described.
Resumen de: KR20250102672A
본 발명은 수소발생전극 촉매의 산화를 억제하는 수전해 시스템에 관한 것으로, 본 발명에 따르면, 수소발생전극 및 전해질을 포함하는 수소발생부와, 산소발생전극 및 전해질을 포함하는 산소발생부와, 상기 수소발생부와 산소발생부 사이에 위치하는 분리막과, 상기 수소발생부와 산소발생부의 전극들에 전원을 공급하는 전원공급장치를 포함하는 수전해 시스템에서, 수소발생부의 전해질로서 알카라인 전해질 또는 중성 전해질에 저가의 소재인 아황산염을 포함하는 첨가제를 첨가함으로써, 분리막을 통해 크로스오버된 산소 분자 또는 상기 수소발생부의 전해질 내에 용존하는 산소 분자와 아황산염이 우선 반응하여 수소발생전극의 산화를 억제하여, 이로 인한 수소발생전극 촉매의 열화를 감소시켜 수소 생산 효율 및 수소발생전극의 수명을 증가시킬 수 있다.
Resumen de: KR20250102644A
본 발명은 다층구조 애노드 다공막 제조방법과 관련된다. 본 발명은 실시예로 입경이 0.5㎛~20㎛인 소립자 금속소재 슬러리를 전사대지에 인쇄하여 다공층의 인쇄층을 갖는 전사지를 제조하는 제1단계, 입경이 20~150㎛인 대립자 금속소재에 용매를 투입하여 슬러리를 제조하는 제2단계, 상기 제2단계에서 얻어진 대립자 금속소재 슬러리를 테이프캐스팅하여 그린시트를 제조하는 제3단계, 상기 제3단계에서 얻어진 그린시트를 불활성 분위기에서 탈지 및 1차 소결하여 애노드 다공막을 제조하는 제4단계, 상기 제1단계에서 제조된 전사지에서 인쇄층을 분리하고 분리된 인쇄층을 상기 제4단계에서 제조된 애노드 다공막 위에 적층하여 적층체를 얻으며, 얻어진 적층체를 2차 소결하여 다층구조 애노드 다공막을 제조하는 제5단계 및 상기 제5단계에서 얻어진 다층구조 애노드 다공막을 롤프레스 압연 처리하는 제6단계를 포함하는 다층구조 애노드 다공막 제조방법을 제시한다.
Nº publicación: KR20250102371A 07/07/2025
Solicitante:
UNIV NAT CHONNAM IND FOUND [KR]
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Resumen de: KR20250102371A
본 개시는 수용액상 광전기화학 반응용 광전극 및 이의 제조방법에 관한 것으로, 상세하게는 태양광 물분해반응 등의 수용액상 광전기화학 반응에 활용되는 광전극에 관한 것으로, 전도성 기판; 도전층; 비스무트 화합물을 포함하고 금속이 도핑 된 반도체층; 하프늄 산화물을 포함하는 보호층; 및 니켈계 플라즈몬 합금 촉매층;을 포함하는 광전극으로, 원자층 증착법 및 전기영동 증착법을 적용하여 이를 제조할 수 있다. 본 개시의 광전극을 태양광 물분해 반응용 광전기화학전지에 적용할 경우, 600시간 이상 동안 5 mAㆍcm-2 이상의 광전류 밀도를 나타내어 종래보다 안정적이고 우수한 성능을 나타낼 수 있다.
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