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556
resultados
Última actualización
12/12/2025 [07:14:00]
Resumen de: WO2024162841A1
An electrolyte solution comprising an electrolyte, wherein the electrolyte is used in an amount ranging between 1 wt% to 10 wt% of the electrolyte solution; an ionic liquid, wherein the ionic liquid is used in an amount ranging between 1 wt% to 5 wt% of the electrolyte solution; and a solvent, wherein the solvent is used in an amount ranging between 75 wt% to 99 wt% of the electrolyte solution.
Resumen de: MX2025008939A
The present disclosure relates to methods of sequestering CO<sub>2 </sub>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: WO2024162842A1
A method of generating hydrogen and oxygen from a liquid feed stream through an integrated system of forward osmosis and electrolysis, wherein the method comprising the steps of feeding water into an electrolyte solution by means of forward osmosis and applying a voltage across the electrolyte solution to generate hydrogen and oxygen, characterized in that the electrolyte solution comprising an electrolyte, an ionic liquid and a solvent, wherein the electrolyte is used in an amount ranging between 1 wt% to 10 wt% of the electrolyte solution, wherein the ionic liquid is used in an amount ranging between 1 wt% to 5 wt% of the electrolyte solution and wherein the solvent is used in an amount ranging between 75 wt% to 99 wt% of the electrolyte solution.
Resumen de: EP4660350A1
The invention is aimed to create a method for producing hydrogen and oxygen from water and aqueous solutions, which ensures increased productivity and reduced energy consumption. In the method, electrical energy in the process of water electrolysis is used in the plasma electrolytic process mode between the anode and cathode in water with the removal of hydrogen from the cathode region and oxygen from the anode region, while the water is simultaneously subjected to acoustic impact induced by a piezoelectric emitter, wherein the acoustic impact propagation vector is perpendicular to the electric field vector, the obtained gaseous hydrogen and oxygen are captured separately by electromagnetic separators with oppositely directed magnetic fields. The device for producing hydrogen and oxygen from water and aqueous solutions consists of a reactor in the form of a container with water, in the reactor there is a piezo-acoustic emitter, the power source is connected to the anode and cathode, in which the thermionic insert is made of tungsten, zirconium or hafnium, and the branch pipes of electromagnetic output separators.
Resumen de: EP4660131A1
The subject of the invention is a hydrogen burner using water thermolysis, incorporating a hydrogen combustion chamber (1) containing heating nozzles (3) connected to a fuel transport duct (4), with at least one magneto (6) installed in its vicinity. This burner is characterised in that the chamber (1) contains water (2) in which a duct (6) with heat exchange medium is immersed, and the heating nozzles (3) are dir3ected towards the table of that water (2). The chamber (1) is made of heat-resistant steel and coated with a thermal insulation layer (5) on the outside. Water (2) in the chamber (1) contains transition metals acting as catalysts for water thermolysis, particularly such as cerium, nickel, molybdenum, or chromium.
Resumen de: EP4660153A1
The water electrolysis system is a water electrolysis system using an alkaline aqueous solution as an electrolytic solution, the water electrolysis system including a cell stack to which the electrolytic solution is supplied; a storage section in which the electrolytic solution is stored; an annular flow path connecting the storage section and the cell stack to each other; a pump section provided on the annular flow path; a scale removal section that is provided on the annular flow path and is capable of removing a scale included in the electrolytic solution; and a scale component removal section capable of removing scale components dissolved in the electrolytic solution at or below a saturation concentration.
Resumen de: AU2024214359A1
Feedwater preparation system in a water electrolyser adapted to produce hydrogen and oxygen in one or more pressurised electrolyser stacks (2) using alkaline water and comprising a product gas conditioning system that has a safety valve out-blow material stream pipe (11) which is connected to a feedwater vessel (9), and/or has a depressurisation stream pipe (31) from a gas cleaning vessel which is connected to the feedwater vessel (9).
Resumen de: TW202428942A
There is provided a cathode chamber assembly, which may not require any skill for assembling, and which may not cause any problems such as formation of an undesirable space in the peripheral portion of the cathode chamber. The cathode can be easily replaced when it deteriorates. The cathode is attached detachably to ribs formed on the bulkhead, directly or indirectly with a plurality of fastening screws or fastening pins, and further or alternatively, a peripheral flange of a rectangular flame shape extending along the inner surface peripheral portion of the bulkhead is disposed. In the embodiment, the cathode may be attached by bonding one surface of a rectangular gasket to the inner surface of the peripheral flange, and by adhering an adhesive tape across the inner peripheral portion of the other surface of the gasket and the outer peripheral portion of the exposed surface of the cathode.
Resumen de: AU2024228415A1
Enclosure adapted for a hydrogen and oxygen generating apparatus arranged in a movable has an interior and an interior surface and an exterior surface whereby the hydrogen and oxygen generating apparatus comprises at least one electrolyser stack adapted for electrolysing water to hydrogen product gas and oxygen product gas and accompanying gas and electrolyte handling equipment. The exterior surface of the enclosure comprises at least a heat insulating, flexible polymer cover element which is attached to a metal frame.
Resumen de: WO2024247383A1
Provided is an ammonia decomposition device capable of achieving both an improvement in ammonia conversion rate and an improvement in catalyst life. An ammonia decomposition device (11) comprises: an ammonia gas inlet (13); a catalyst-carrying honeycomb structure (1) that decomposes ammonia to generate hydrogen and nitrogen; and a gas outlet (14). The catalyst-carrying honeycomb structure (1) includes: a ceramic honeycomb structure; a catalyst layer (3) that is formed in a flow path (2a) of the honeycomb structure and decomposes ammonia; and electrodes (4a, 4b) that are formed on a side surface of the honeycomb structure. Electricity is passed through the honeycomb structure.
Resumen de: WO2024184587A1
The invention relates to a method for producing a compound comprising at least one of hydrogen or oxygen. The method comprises providing water and a first substance, producing a mixture comprising the water and bubbles comprising the first substance, decreasing diameter of bubbles comprising the first substance, decomposing a part of the water, and composing a compound at least from the decomposed water and the first substance, and the compound comprising at least one of hydrogen or oxygen. The invention further relates to apparatus for producing a compound comprising at least one of hydrogen or oxygen.
Resumen de: AU2024224224A1
In a gas pressure balance method in an electrolyser system a predefined pressure difference between pressures in an oxygen gas separation tank and a hydrogen gas separation tank is maintained by controlled release of gases through an oxygen back pressure valve and a hydrogen back pressure valve. in a first step, for each of the oxygen back pressure valves and the hydrogen back pressure valves, a predefined, calibrated pilot gas pressure is generated and in a second step, the predefined, calibrated pilot gas pressures are forwarded to the respective back pressure valves and in a third step, hydrogen and oxygen gasses are released whenever the gas pressures in the hydrogen and oxygen separation tanks exceeds the predefined, calibrated pilot pressure in the respective pilot gas streams.
Resumen de: US2025369125A1
Methods and systems are disclosed for using industrial waste for the production of hydrogen gas. The method includes examining a pH level of the industrial waste, removing contaminate from the industrial waste, conditioning and concentrating the industrial waste to a proton-rich solution, and using the resulting proton-rich solution as the proton source in a hydrogenase catalyzed hydrogen production system.
Resumen de: US2025369134A1
A liquid-assisted chemical vapor deposition method for preparing hierarchical Ni/NiO@Ru—NC nanotube arrays includes forming Ni/NiO@Ru—NC on surfaces of the NF with single-atom Ru anchored on N-doped carbon (Ru—NC) nanotube and Janus Ni/NiO NPs encapsulated on the tips. The forming Ni/NiO@Ru—NC includes pretreating the NF; creating a CH3CN/RuCl3/Ar atmosphere in the tube furnace to in-situ grow the Ni/NiO@Ru—NC nanotube arrays on the pretreated NF. The bifunctional Ni/NiO@Ru—NC electrocatalyst exhibits overpotentials of 88 m V and 261 m V for hydrogen evolution reaction (HER) and oxygen evolution reaction (OER) at 100 mA cm−2 in alkaline solution, respectively. Meanwhile, the bifunctional Ni/NiO@Ru—NC can stably operate an anion-exchange membrane water electrolysis (AEMWE) system for 50 hours under 500 mA cm−2 at a voltage of 1.95±0.05 V in a 1.0 M KOH solution at room temperature. An overall water-splitting electrolyzer can be efficiently driven by a solar cell.
Resumen de: US2025368585A1
A carbon closed-loop system and process are provided. The carbon closed-loop system and process can be utilized in an industrial operation for producing, for example, a Lower Carbon Aviation Fuel (LCAF). The LCAF is produced by decarbonizing, for example, industrial furnaces and boilers, such as fired heaters, through the carbon closed-loop system and process which integrates renewable energy-driven H2 generation, CO2 capture, and methanation technologies to substantially reduce the carbon footprint of the industrial operation.
Resumen de: US2025368503A1
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: WO2025249719A1
The present invention relates to an electrode for a hydrogen evolution reaction of an alkaline water electrolysis cell, the electrode being characterized by comprising: a cocatalyst which is a composite comprising a Lewis acid-containing material and a metal-organic framework (MOF); and a catalyst surrounded by the cocatalyst. Therefore, according to the present invention, a water dissociation step of an alkaline hydrogen evolution reaction is promoted, hydrogen gas generated by the hydrogen evolution reaction is easily permeated, and Nafion is evenly dispersed by large pores generated by the MOF, thereby minimizing catalyst poisoning while implementing the effect of the cocatalyst on the entire surface.
Resumen de: WO2025249472A1
An electrolysis cell 21 comprises a solid electrolyte layer 211, a fuel electrode layer 213 stacked and arranged on one surface side of the solid electrolyte layer 211, and an air electrode layer 212 stacked and arranged on the other surface side of the solid electrolyte layer 211. The fuel electrode layer 213 includes a functional layer 213a, a support layer 213b positioned on the side farther from the solid electrolyte layer 211 than from the functional layer 213a, and a mutual diffusion layer 213c positioned between the functional layer 213a and the support layer 213b so as to be in contact with both of the functional layer 213a and the support layer 213b. The mutual diffusion layer 213c includes: a first element which is one element constituting the functional layer 213a; and a second element which is one element constituting the support layer 213b and is different from the first element. The thickness of the mutual diffusion layer 213c is 1.1 μm or more and 9.7 μm or less.
Resumen de: WO2025249470A1
An electrolysis cell 21 includes: a solid electrolyte layer 211; a fuel electrode layer 213 stacked and arranged on the rear surface 211A side of the solid electrolyte layer 211; and an air electrode layer 212 stacked and arranged on the front surface 211B side of the solid electrolyte layer 211. A mutual diffusion layer 214 in contact with both the solid electrolyte layer 211 and the fuel electrode layer 213 is formed between the solid electrolyte layer 211 and the fuel electrode layer 213. The mutual diffusion layer 214 includes: a first element which is one element constituting the solid electrolyte layer 211; and a second element which is one element constituting the fuel electrode layer 213 and is different from the first element. The thickness T1 of the mutual diffusion layer 214 falls within the range of 1.5 μm or more and 4.8 μm or less.
Resumen de: WO2025249471A1
An electrolysis cell 21 comprises: a solid electrolyte layer 211 including ion-conductive oxide particles; a fuel electrode layer 213 laminated on the back surface 211A side of the solid electrolyte layer 211; and an air electrode layer 212 laminated on the upper surface 211B side of the solid electrolyte layer 211. The average particle diameter of the ion-conductive oxide particles in the solid electrolyte layer 211 is 0.40-1.24 µm.
Resumen de: WO2025249474A1
An electrolysis cell 21 comprises: a solid electrolyte layer 211 that includes oxide particles containing Zr; a fuel electrode layer 213 that is stacked and arranged on one surface side of the solid electrolyte layer 211 and includes metal particles and oxide particles containing Ce; and an air electrode layer 212 that is stacked and arranged on the other surface side of the solid electrolyte layer 211. A Raman spectrum of Stokes scattered light of each of the solid electrolyte layer 211 and the fuel electrode layer 213 (213a) has a peak in a wave number region of 334 cm-1 or more and 531 cm-1 or less. When the half widths of the peaks of the Raman spectra of the solid electrolyte layer 211 and the fuel electrode layer 213 (213a) in the wave number region are defined as an electrolyte half width and a fuel electrode half width, respectively, the ratio of the electrolyte half width to the fuel electrode half width is 3.5 or more and 5.7 or less.
Resumen de: WO2025249273A1
Provided is a method for controlling a water electrolysis system with which operation states of a plurality of electrolysis stacks can be independently regulated highly responsively and highly efficiently. This method is for controlling a water electrolysis system which comprises: electrolysis stacks where water is electrolyzed to produce hydrogen and oxygen; a pure water feeder for feeding pure water to the electrolysis stacks; a first regulation part and a second regulation part, which are disposed between each electrolysis stack and the pure water feeder and are capable of regulating the operation state of the electrolysis stack; and an operation state regulation control unit which regulates the first regulation part and the second regulation part to regulate the operation states of the electrolysis stacks. The operation state regulation control unit, after receiving a command to change the operation state of an electrolysis stack, operates the first regulation part on the basis of the operation state and, when a predetermined requirement has been satisfied, operates the second regulation part simultaneously with the first regulation part on the basis of the operation state.
Resumen de: WO2025248902A1
A method for electrolyzing water according to the present invention is a method for splitting water with the use of a PEM water electrolysis device which is provided with a cell in which a cathode, an electrolyte membrane, a porous transport layer, and an anode are stacked, wherein: the porous transport layer has a titanium porous body; in the electrolyte membrane-side surface of the titanium porous body, the average value of the areas of pores that open to the surface is 5 μm2 to 45 μm2 inclusive; the standard deviation value of the areas of the pores is 90 μm2 or less; the number of the pores that are present within a rectangular region that has an area of 22,000 μm2 and an aspect ratio of 4:3 is 120 or more; and the pressure applied in the stacking direction of the cathode, the electrolyte membrane, the porous transport layer, and the anode at the time of assembling the cell is set to 6 MPa or more.
Resumen de: WO2025246521A1
The present application provides a coupling device for hydrogen gas production and carbon dioxide utilization. The device comprises a spiral heat exchanger, a carbon dioxide collector, a steam generator, and an electrolytic cell, wherein the spiral heat exchanger inputs steam into the steam generator through a first pipe, the steam generator generates electric energy from the steam, the electric energy is transmitted to the electrolytic cell through a cable, and the steam is input into the electrolytic cell through a fourth pipe; the carbon dioxide collector is configured to collect carbon dioxide from flue gas produced by combustion and input the collected carbon dioxide into the spiral heat exchanger through a third pipe; the electrolytic cell is configured to produce hydrogen gas from the steam and the electric energy, and the produced hydrogen gas is introduced into the spiral heat exchanger through a second pipe; and the spiral heat exchanger is configured to promote a chemical reaction between the carbon dioxide and the hydrogen gas, and output a target compound.
Nº publicación: WO2025246212A1 04/12/2025
Solicitante:
DELIGHTSTREAM ELECTRONIC TECH CHANGZHOU CO LTD [CN]
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Resumen de: WO2025246212A1
Disclosed in the present invention is an active water molecule electrolysis apparatus in a limited space, comprising a housing having an airflow channel, wherein a membrane electrode assembly is disposed in the housing; the membrane electrode assembly divides the airflow channel into an air inlet end and an exhaust end, the air inlet end being provided with a continuous unidirectional moisture-permeable coating membrane, and the exhaust end being provided with an ePTFE microporous breathable protective membrane; and the housing is provided with an oxygen discharge channel that communicates the air inlet end with the outside. A device, comprising the active water molecule electrolysis apparatus, the internal space of the device being in communication with the air inlet end of the active water molecule electrolysis apparatus. In this way, the active water molecule electrolysis apparatus in a limited space and the device of the present invention utilize the difference in moisture permeability between the ePTFE microporous breathable protective membrane and the continuous unidirectional moisture-permeable coating membrane to realize continuous unidirectional discharge of water vapor from the inside to the outside environment, thereby effectively improving the efficiency of electrolytic dehumidification.
BOPI
Sede Electrónica
