Resumen de: US2024154496A1
A system includes a flow-through electric generator and an electrolytic cell. The flow-through electric generator includes a turbine wheel, a rotor, and a stator. The turbine wheel is configured to receive natural gas from a natural gas pipeline and rotate in response to expansion of the natural gas flowing into an inlet of the turbine wheel and out of an outlet of the turbine wheel. The rotor is coupled to the turbine wheel and configured to rotate with the turbine wheel. The flow-through electric generator is configured to generate electrical power upon rotation of the rotor within the stator. The electrolytic cell is configured to receive a water stream and the electrical power from the flow-through electric generator. The electrolytic cell is configured to perform electrolysis on the water stream using the received electrical power to produce a hydrogen stream and an oxygen stream.
Resumen de: WO2024097986A2
Disclosed herein are devices, systems, and methods of using aluminum, activated with a liquid metal catalyst stored inside of one or multiple shipping containers or shipping container-like boxes to produce hydrogen and direct heat on demand.
Resumen de: EP4613700A1
Disclosed is a process for producing hydrogen and a reactor used for this process. The reactor contains a first reaction space for oxidizing metal fuel selected from silicon, magnesium, iron, titanium, zinc, aluminum or alloy containing two or more of these metals with an oxidant and a second reaction space separated from the first reaction space for dehydrogenating hydrogen-containing chemicals into hydrogen and dehydrogenated products.With the reactor and the process of this invention hydrogen is generated from hydrogen-containing chemicals, such as water and metal fuel is used to generate thermal energy to promote the dehydrogenation reaction.
Resumen de: EP4613914A1
A water electrolysis system (100) includes a plurality of water electrolysis stacks (101) connected in series to a DC power supply, a plurality of gas storage tanks (e.g., a hydrogen gas tank (102), a low-pressure hydrogen gas tank (102a)) for storing a gas generated in the water electrolysis stacks, a first gas pressure adjustment mechanism (e.g., a hydrogen gas tank pressure adjustment valve (113)) for adjusting pressure of the gas generated in the entire plurality of water electrolysis stacks, a plurality of second gas pressure adjustment mechanisms (e.g., a water electrolysis stack hydrogen gas pressure adjustment valve (115), a water electrolysis stack low-pressure hydrogen gas pressure adjustment valve (115a)) for adjusting pressure of a gas generated in each of the water electrolysis stacks, and a control device (150) for controlling the first gas pressure adjustment mechanism and the second gas pressure adjustment mechanism.
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: EP4613912A1
The present invention relates to a cathode material for a solid oxide electrolytic cell and its preparation and use. The cathode material for the solid oxide electrolytic cell has a molecular formula of LaxSr1-xFe0.8CuyNi0.2-yO3-δ, wherein 0.1≤x≤0.9, 0.01≤y<0.2, and 0≤δ≤0.5. An electrolytic cell prepared by using the cathode material can efficiently convert CO2 and H2O into synthesis gas through electrochemical catalysis. Furthermore, the electrolytic cell can achieve continuous and stable operation of high-temperature electrolysis of water vapor and/or carbon dioxide at a temperature of 800°C and an electrolysis current density of 0.5 A/cm<2> or more, thereby having good prospects for industrial application.
Resumen de: WO2024094264A2
A hydrogen generation system comprising a hydrogen electrolyser, a power converter connected to the electrolyser, and a control system configured to control the power converter to supply power to the electrolyser The system further includes a monitoring system configured to monitor the operation of the generation system, wherein the monitoring system is configured to: determine a plurality of operational parameters of the electrolyser, and, generate one or more performance metrics based on the determined operational parameters, the one or more performance parameters including: the electrical capacitance of the electrolyser, and/or the equivalent series resistance of the electrolyser. Also disclosed is a method for determining operational performance of a hydrogen generation system including an electrolyser.
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: AU2024318321A1
The invention relates to an electrolysis system (10) comprising a plurality of electrolysis devices (34, 36) which are connected to a power supply line (30), the electrolysis devices (34, 36) having a power supply unit (38, 40) and an electrolysis module (12, 14, 16, 18, 20, 22, 24, 26) coupled to the power supply unit, the power supply units of the electrolysis devices comprising a transformer (42, 44, 46, 48) and a rectifier unit (50, 52, 54, 56, 58, 60, 62, 64), the transformer having a primary winding (66, 68, 70, 72) and a secondary winding (74, 76, 78, 80, 82, 84, 86, 88) connected to an AC voltage side of the rectifier unit. According to the invention, the primary winding of the transformer of at least a first of the electrolysis devices (40) is designed to be adjustable in stages, and the rectifier unit of said electrolysis device is designed to be operated in an uncontrolled manner, the rectifier unit of the power supply unit of at least a second of the electrolysis devices being designed to be operated in a controlled manner depending on the electrical energy that can be provided by the energy source.
Resumen de: AU2024230333A1
The present invention relates to a method for purifying an oxygen stream polluted by water, hydrogen and potentially nitrogen, said method comprising bringing the oxygen stream to be purified into contact with a zeolitic adsorbent material comprising at least one metal, in zero-valent metal form, or in oxidized form or in reduced form, and recovering purified oxygen streams. The invention also relates to the use of a zeolitic adsorbent material comprising at least one transition metal for the purification of oxygen, and to the use in industrial processes of oxygen thus purified.
Resumen de: AU2024230439A1
The present invention relates to a method for purifying a hydrogen stream polluted by water, oxygen and optionally nitrogen, said method comprising bringing the hydrogen stream to be purified into contact with a zeolite adsorbent material comprising at least one metal chosen from the metals from columns 3 to 12 of the periodic table of the elements, in zero-valent metal form, or in oxidized form or in reduced form, and recovering a purified hydrogen stream. The invention also relates to the use of a zeolite adsorbent material comprising at least one metal from columns 3 to 12 of the periodic table of the elements for the purification of hydrogen, and to the use of hydrogen thus purified in industrial processes.
Resumen de: AU2024224275A1
A process for the reaction of aluminium with water comprising the steps of adding aluminium metal to an aqueous solution comprising potassium hydroxide at a concentration of between 0.1M and 0.4M and a surfactant; agitating the mixture of previous step; and collecting generated hydrogen. A composition for use in such a process for reacting aluminium with water, comprising potassium hydroxide and a surfactant.
Resumen de: AU2024209628A1
The invention provides devices, systems, and methods for providing hydrogen gas mixtures to a subject. The invention allows hydrogen gas mixtures to be provided at a rate that does not restrict normal or even elevated breathing.
Resumen de: WO2025183649A1
The invention relates to a pure hydrogen gas production system (A) for use in hydrogen production technologies, including applications such as energy storage, fuel cells, and industrial chemical processes. The system (A) is characterized by including at least one top cover (10) that encloses the upper portion of the system and protects its internal components from external factors, and at least one bottom cover (20) that encloses the lower portion of the system, ensuring the stable and secure positioning of the electrolysis cell. It also features a water inlet (30) that allows the introduction of water containing potassium hydroxide into the system (A), at least one anode (60) functioning as the positive electrode, and at least one cathode (70) functioning as the negative electrode during the electrolysis process. Conductive plates (100) are included to ensure efficient transmission of electrical current to the electrolysis cell, along with at least one sealing element (101) positioned between the conductive plates (100) to ensure the liquid- tightness of the electrolysis cell. Furthermore, an anion exchange membrane (90) with high selectivity and permeability is positioned within the void (102) of the conductive plates (100). This membrane purifies the HHO gas generated by the electric current passing between the anode (60) and the cathode (70) during electrolysis, separating water molecules and extracting pure hydrogen gas.
Resumen de: WO2025183341A1
The present invention relates to a reverse electrodialysis-based water electrolysis apparatus capable of producing hydrogen and oxygen with a small amount of electricity consumption and generating electricity in an eco-friendly manner by introducing an exchange membrane having an electrode layer bonded to the surface thereof. The reverse electrodialysis-based water electrolysis apparatus of the present invention may be economically feasible by producing hydrogen and oxygen with a small amount of electricity consumption, and can reduce environmental pollution by generating electricity in an eco-friendly manner. In addition, hydrogen can be produced by using seawater, thereby securing economic feasibility.
Resumen de: WO2025183309A1
One embodiment of the present invention provides a system and method for producing hydrogen and biogas, capable of shortening the hydrogen production start time of a microbial electrolysis cell through techniques of determining the voltage application time at each step, monitoring electrochemically active microbial populations, and inhibiting methane conversion bacteria for hydrogen production, in order to shorten the stabilized culture period of the microbial populations through a single-chamber microbial electrolysis cell system.
Resumen de: WO2025182936A1
This apparatus for producing carbon dioxide is provided with: an anode which is provided on one side of an electrolyte membrane and generates protons from hydrogen; a cathode which is provided on the other side of the electrolyte membrane and generates hydrogen; a first liquid chamber which is provided between the anode and the electrolyte membrane and to which a first electrolyte solution that has absorbed carbon dioxide is supplied; and a second liquid chamber which is provided between the electrolyte membrane and the cathode and to which a second electrolyte solution is supplied. The anode is supplied with a gas that has a hydrogen concentration of less than 99 vol%.
Resumen de: WO2025181688A1
The present disclosure provides system and method for synthesis of green ammonia and other nitrogenous fertilizers derived from it including urea and nitric acid (as well as others that may be produced by any combination/reaction of these) by coupling renewable energy and Carnot battery with Solid-Oxide Electrolyser Cell (SOEC) and Direct Air Capture (DAC). 5 The system provides a solution for round-the-clock renewable energy using Carnot battery that provides both heat and power to run SOEC. The heat from Carnot battery is used by DAC to capture carbon dioxide from air. A nitrogen-oxygen generator may produce nitrogen using continuous power from Carnot battery. Ammonia may be produced by using hydrogen from SOEC, and nitrogen from the nitrogen-oxygen generator. Urea may be produced using 0 carbon dioxide from DAC and ammonia. Ammonia and oxygen from SOECs and nitrogen- oxygen generator may be used for synthesis of nitric acid, and other nitrogenous fertilizers. The process heat from ammonia and nitric acid synthesis is recycled back to the Carnot battery.
Resumen de: WO2025182682A1
A method for operating a water electrolysis apparatus that comprises an electrolytic bath for electrolyzing water, a hydrogen separator to which hydrogen generated in the electrolytic bath is guided, an oxygen separator to which oxygen generated in the electrolytic bath is guided, and a vent line for discharging gas from the hydrogen separator or the oxygen separator and a vent valve provided to the vent line, the method comprising: a step for halting electrolysis of water in the electrolytic bath; and a step for determining whether or not a first index indicating the amount of increase in the concentration of oxygen in gas in the hydrogen separator or the concentration of hydrogen in gas in the oxygen separator has exceeded a first threshold after the electrolysis has been halted. When the first index exceeds the first threshold, the pressure in the hydrogen separator or the oxygen separator is lowered to a first prescribed value by opening the vent valve.
Resumen de: WO2025179709A1
The present application relates to the technical field of catalysts and relates to a non-noble metal cathode hydrogen evolution catalyst for PEM water electrolysis and a use thereof. The present application provides a method for preparing a cathode hydrogen evolution catalyst. A nickel-molybdenum heteropoly acid having a specific structure is generated in situ on the surface of a porous carbon material carrier, and is used as a hydrogen evolution catalyst active component precursor, and an in-situ generated nickel-containing molybdenum sulfide active component is subjected to sulfidation treatment to prepare a non-noble-metal-supported cathode hydrogen evolution catalyst, wherein the in-situ generated nickel-containing molybdenum sulfide active component has a hydrogen adsorption free energy similar to that of Pt and catalytic hydrogen evolution activity, the dispersity is good, and the number of active sites is large, thereby reducing the costs of the catalyst; in addition, during the sulfidation treatment of the nickel-molybdenum heteropoly acid, nitrogen or phosphorus atoms in the carrier can be doped into the lattice of molybdenum disulfide, thereby reducing the hydrogen evolution Gibbs free energy of sulfur atoms on an MoS2 crystal basal surface, and more active sites are formed on a sulfur edge and a molybdenum edge, facilitating a hydrogen evolution reaction.
Resumen de: WO2025179506A1
The present disclosure relates to an electrode separator unit, a preparation method, an electrolytic cell unit, and a device for hydrogen production from a renewable energy. The electrode separator unit of the present disclosure comprises a membrane electrode assembly arranged in a center area of the electrode separator unit and comprises a sealing frame arranged around the outer peripheral wall of the membrane electrode assembly, wherein the inner peripheral wall of the sealing frame is fixedly connected to the outer peripheral wall of the membrane electrode assembly by means of material connection. In the solution of the present disclosure, by using the sealing frame and fixedly connecting the inner peripheral wall of the sealing frame to the outer peripheral wall of the membrane electrode assembly by means of material connection, no gaps generated by traditional packaging are present in the electrode separator unit. In addition, the contact area between the sealing frame and an adjacent functional component during fixed connection is increased, so that the clamping force for packaging an electrolytic cell device is more concentrated, and thus the sealing effect of the electrode separator unit is firmer, thereby further improving the hydrogen production efficiency. In addition, the present disclosure further reduces the number of parts, reduces the production cost, and improves the production efficiency.
Resumen de: KR20240032557A
According to the present invention, disclosed is a water electrolysis apparatus including a metal particle fluid electrode. The present invention comprises: a cathode; a first flow channel formed on the cathode; a cation exchange membrane (CEM) formed on the first flow channel; a second flow channel formed on the CEM; and an anode formed on the second flow channel, wherein the second flow channel includes metal particles and is used as a metal particle fluidic electrode.
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: 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: AU2023433484A1
The present invention discloses an electrode plate of an electrolysis apparatus and an electrolysis apparatus to which the electrode plate is applied. A direct current power supply is connected to the electrolysis apparatus and an electrolyte is injected into the electrolysis apparatus, to convert electric energy into chemical energy. The electrode plate includes a silicon-based electrode plate made of a doped conductive silicon material. The silicon-based electrode plate is electrically connected to the direct current power supply, and a flow channel is disposed on at least one surface of the silicon-based electrode plate, so that the electrolyte is input into the electrolysis apparatus through the silicon-based electrode plate, to implement an electrochemical reaction and output a reaction product. In the present invention, on a basis of maintaining good mechanical support and sealing function, material and process costs of the electrode plate of the electrolysis apparatus are significantly reduced, an overpotential of the electrochemical reaction for producing the reaction product is reduced, and an electrolysis reaction rate per unit area in the electrolysis apparatus is increased. Therefore, an operating voltage is effectively reduced at a same electrochemical reaction rate, and energy conversion efficiency of the electrochemical reaction is finally significantly improved.
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: 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: AU2024291100A1
The invention relates to an energy supply system (20) for coupling to a wind turbine (30) used in island mode, wherein the wind turbine (30) is configured to operate an electrolysis system (11) for producing green hydrogen using wind energy, wherein the energy supply system (20) has a solar energy source (21), comprising a photovoltaic module (22) and/or a solar thermal collector (23), which is configured to supply the electrolysis system (21), in particular an enclosure (12) and water-conducting lines of electrolysis units of the electrolysis system (11), with thermal energy in the event of the absence of wind energy. The invention also relates to a corresponding method for supplying solar energy to a wind turbine (30) used in island mode.
Resumen de: US2025279726A1
An electrolysis plant includes an electrolyzer and a circuit assembly which has an input for connecting to an external DC source and an output connected to the electrolyzer. The circuit assembly has a transformer with an inverter connected on the primary side and a rectifier connected on the secondary side, such that a direct current can be supplied to the electrolyzer. There is also described a plant network with a electrolysis plant and a renewable energy plant that is directly connected to the electrolysis plant.
Resumen de: US2025276905A1
Method for recovering waste heat created in the production of ammonia, the method comprises the steps of(a) providing an ammonia synthesis gas including the steps of electrolysis of water or steam for the preparation of hydrogen and of adding a stream of nitrogen into the hydrogen;(b) converting the ammonia synthesis gas to ammonia;(c) recovering at least a part of waste heat from the electrolysis in step (a);(d) upgrading the waste heat from step (c) by heat recovered from one or more compressor stages discharge and/or waste heat created in the conversion of the ammonia synthesis gas in step (b) and/or waste heat from a turbine condenser utilizing steam generated in step (b); and(e) distributing the upgraded waste heat from step (d) to a downstream heat utilizing step.
Resumen de: US2025276903A1
Process for producing syngas comprising the steps of:a) burning methane or natural gas with oxygen and optionally with water steam for producing flue gas comprising CO2 and H2O according to the following reaction:CH4+2O2→CO2+2H2O1b) cooling the flue gas coming from a) by heat exchange with a water stream which is thereby vapourised;c) condensing and removing water from the flue gas, coming from step b), thereby obtaining a mixture consisting essentially of CO2;d) carrying out an electrolysis of a steam stream in a solid oxide electrolytic cell (SOEC), whereby steam is split into oxygen gas and hydrogen gas according to the following reaction scheme:H2O(g)→H2+1/2O22e) separating and drying hydrogen gasf) carrying out a reverse water gas shift reaction between CO2 coming from step c) with H2 coming from step e) according to the following scheme:CO2+H2→CO+H2O.3
Resumen de: US2025275533A1
Nanoplatelet forms of monolayer metal hydroxides are provided, as well as methods for preparing same. The nanoplatelets are suitable for use in antimicrobial compositions, for pressure treating lumber against wood rot, termites, and fungus, for water treatment for the removal of heavy metal contaminants, for the production of plasmonics devices, for the production of ore, or for the recovery of valuable metals in, e.g., fly ash ponds, mine tailings ponds, or other fluids containing the metal in ionic form. The nanoplatelet forms include copper hydroxide nanoplatelets.
Resumen de: US2025276895A1
The gas generation system decomposes water in contact with the photocatalyst by sunlight to generate a mixed gas composed of oxygen gas and hydrogen gas. The gas generation system includes a housing having a light-transmission wall in which an accommodation space for accommodating water and a photocatalyst is formed. The light-transmission wall transmits the sunlight S that has directly or indirectly reached at least a part of the wall portion forming the accommodation space. The gas generation system includes an irradiation device that causes an artificial light L having a peak wavelength that is absorbed by the photocatalyst to emit light by supply of electric power, and irradiates the light-transmission wall with the emitted artificial light L, and a switch that selectively switches supply or stop of supply of electric power to the irradiation device.
Resumen de: US2025277317A1
Disclosed are electrolyzer systems and methods that combine forward osmosis with electrolysis to produce hydrogen from a water source such as seawater. The systems can operate with low energy input through immersion in the water source or by flowing the water source past osmotic membranes of a system to establish osmosis and simultaneous electrolysis.
Resumen de: US2025277318A1
The present disclosure is directed to a geothermal hydrogen production system, comprising; a primary liquid circuit circulating a liquid into a geothermal well and returning heated liquid from a well head of the geothermal well, the primary liquid circuit passing through a desalination plant; a first turbine driven by the heated liquid to produce a first mechanical output; and a second turbine driven by the heated liquid to produce a second mechanical output, wherein the first mechanical output drives an electrical generator, configured to power an electrolyser generating hydrogen via electrolysis of fresh water, and the second mechanical output drives an air compressor to provide at least one of a first, a second and a third compressed air supply, wherein the first compressed air supply drives a supply pump to supply salt water to the desalination plant, the second compressed air supply drives a start-up pump to initiate the primary liquid circuit, and the third compressed air supply drives a fresh water pump to deliver fresh water from the desalination plant to the electrolyser.
Resumen de: US2025277316A1
The present disclosure relates to an electrolyzer for generating hydrogen, the electrolyzer comprising: a housing comprising an electrolyte chamber; two electrodes for decomposition of electrolyte water, at least one of the electrodes being permeable to gases produced by the decomposition of electrolyte water, wherein the at least one permeable electrode has a first surface facing the electrolyte chamber and a second surface facing a first gas collection chamber; an electrolyte supply circuit for supplying electrolyte water to the electrolyte chamber; and a control unit and/or mechanical control for controlling a pressure drop across the at least one permeable electrode, between the electrolyte chamber and the first gas collection chamber.
Resumen de: WO2025181164A1
The invention relates to an electrochemical cell unit comprising the following, in the following order across its thickness: a hydrogen electrode (200) comprising a support electrode layer (203) and a functional electrode layer (204) stacked one on top of the other; a solid electrolyte (300) comprising a thin layer (302) having a first surface (305) and a second surface (306); and an oxygen electrode (400), characterised in that the solid electrolyte (300) comprises a frame (303) which extends from the first face (305) of the thin layer (302) and forms a cavity (304) in which the hydrogen electrode (200) is at least partially arranged. The invention relates to the optimisation of a solid oxide cell, including solid oxide fuel cells and solid oxide electrolyser cells.
Resumen de: WO2025181199A1
The present disclosure relates to a heat management method in a methanol-generating unit remarkable in the reactor (100) of the methanol-generating unit comprises a cooling device and wherein the steam (5, 7) recovered from said cooling device has a pressure that is suitable for being fed into the one or more solid oxide electrolyser cells (400), so as to provide a hydrogen-rich effluent (15) that is used to enhance the efficacy of the separation unit necessary for the methanol production.
Resumen de: WO2025180649A1
The invention relates to a method for operating a hydrogen production system (150, 450, 550, 650) having at least one wind turbine (110, 410, 510, 610) for supplying at least one electrolyzer (114, 414, 514, 614) of the hydrogen production system (150, 450, 550, 650) with electrical power, comprising determining a reference angular speed of the wind turbine (110, 410, 510, 610) based on at least one wind speed parameter predicted for the wind turbine (110, 410, 510, 610) for a future time window, regulating the wind turbine by setting a pitch angle during the future time window, wherein the pitch angle is determined based on the determined reference angular speed and the current angular speed of the wind turbine (110, 410, 510, 610), predicting power generatable by the wind turbine (110, 410, 510, 610) during the future time window based on the determined reference angular speed, controlling the at least one electrolyzer (114, 414, 514, 614) of the hydrogen production system (150, 450, 550, 650) by setting an at least almost constant rate of change of current during at least a portion of the future time window, wherein the rate of change of current is based on the predicted power.
Resumen de: WO2025180734A1
The invention relates to a method (100) for controlling the capacity utilisation of electrolysis units of an electrolysis system, wherein the electrolysis system has a control device and a plurality of electrolysis units, each of which can be selected by the control device; comprising providing current individual hydrogen production rates when there are cell voltage values individual to the selected electrolysis units depending on a common controlled variable, selecting (106) a number of electrolysis units from the plurality of electrolysis units taking into account a settable target hydrogen production rate or a settable target total electrical power consumption; and adapting (110) the common controlled variable depending on a deviation of a current total hydrogen production rate of the number of selected electrolysis units from the settable target hydrogen production rate or depending on a deviation of a current total electrical power consumption of the number of selected electrolysis units from the settable target total electrical power consumption. The common controlled variable is a target cell voltage value common to the number of selected electrolysis units, and the number of selected electrolysis units are operated at respective individual cell voltage values which are continuously adjusted to the common target cell voltage value (112).
Resumen de: WO2025180788A1
The invention relates to a method for controlling an electrolyzing plant (10), comprising: providing electric energy from an electric power network (32) with a network AC voltage; rectifying the network AC voltage by a rectifying device (50, 52, 54, 56, 58, 60, 62, 64); supplying water to the electrolyzing device (34, 36); providing an AC filter current flow by an active filter device (100), wherein the AC filter current flow is controlled such that it conforms to network regulations of the electric power network; measuring the network AC voltage by using a voltage sensor (128) which provides a respective voltage sensor signal; comparing the voltage sensor signal with a first reference voltage value providing a comparing result; depending on the comparing result, causing the active filter device (100) to emit electric energy to or to receive electric energy from the electric power network.
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: EP4611202A1
The invention relates to a method for controlling an electrolyzing plant (10), comprising:- providing electric energy from an electric power network (32) with a network AC voltage;- rectifying the network AC voltage by a rectifying device (50, 52, 54, 56, 58, 60, 62, 64);- supplying water to the electrolyzing device (34, 36);- providing an AC filter current flow by an active filter device (100), wherein the AC filter current flow is controlled such that it conforms to network regulations of the electric power network;- measuring the network AC voltage by using a voltage sensor (128) which provides a respective voltage sensor signal;- comparing the voltage sensor signal with a first reference voltage value providing a comparing result;- depending on the comparing result, causing the active filter device (100) to emit electric energy to or to receive electric energy from the electric power network.
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: 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: MX2025002906A
The disclosure pertains to a plant for the production of ammonia. The ammonia is produced from hydrogen obtained by electrolysis of water. The electrolysis is powered by a renewable source of energy, complemented with power obtained from the plant during periods of low or no availability of the renewable energy. To this end, the plant is configured such that it can be operated in a charge configuration (obtaining and storing power) and a discharge configuration (employing said power).
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: DK202430100A1
The present invention relates to boiling water reactors arranged to receive a synthesis gas for producing raw gas products, such as a raw methanol product, particularly for transient operation, such as where the synthesis gas is at least partly provided by producing hydrogen by electrolysis of water or steam. Embodiments of the invention include a boiling water reactor, a method of revamping an existing boiling water reactor, and a process for producing raw gas product, such as raw methanol product, utilizing the boiling water reactor.
Resumen de: MX2025009748A
A hydrogen generating cell comprising an input electrode plate pair, an output electrode plate pair, an additional X plate electrode positioned adjacent the output electrode plate pair, and a plurality of intermediate electrode plates disposed between the input and output electrode plate pairs. A plasma torch is spaced apart from and inductively coupled to the input electrode plate pair. A pulsed DC voltage is applied to the plasma torch and X-plate, while a lower voltage pulsed DC voltage is applied to the input and output electrode plate pair to cause generation of hydrogen gas from an aqueous solution in which the cell is immersed.
Resumen de: MX2025008965A
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: JP2025127400A
【課題】簡易な設備によって低コストで安定的に水素の生成が可能な水素の生成方法及び水素生成用鉄材を提供する。【解決手段】溶融鉄にフラーレンを含むナノカーボン材料を加えて生成した鉄材10と、pH2以下の水溶液20をタンク1内に収容して水素を生成する水素の生成方法。【選択図】図1
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: 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: FR3159658A1
L’invention concerne un dispositif de surchauffe comprenant une chambre de combustion (10) comprenant une entrée de carburant, une entrée de comburant et une entrée de chaleur pour recevoir une chaleur à une température moyenne (Tm) comprise entre 150°C et 500°C, la chambre de combustion étant adaptée pour brûler le carburant pour chauffer et produire une chaleur (Th) à une haute température supérieure à 600°C. Application à la réalisation d’installations industrielles nécessitant une énergie thermique à haute température. Figure 1
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: US2025276895A1
The gas generation system decomposes water in contact with the photocatalyst by sunlight to generate a mixed gas composed of oxygen gas and hydrogen gas. The gas generation system includes a housing having a light-transmission wall in which an accommodation space for accommodating water and a photocatalyst is formed. The light-transmission wall transmits the sunlight S that has directly or indirectly reached at least a part of the wall portion forming the accommodation space. The gas generation system includes an irradiation device that causes an artificial light L having a peak wavelength that is absorbed by the photocatalyst to emit light by supply of electric power, and irradiates the light-transmission wall with the emitted artificial light L, and a switch that selectively switches supply or stop of supply of electric power to the irradiation device.
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: US2025266534A1
A water electrolysis system includes: a water electrolysis device including a membrane electrode assembly formed by sandwiching an electrolyte membrane between an anode and a cathode, the water electrolysis device being configured to generate oxygen gas at the anode by supplying water to the cathode and electrolyzing the water; and a water supply device configured to supply, to the anode, water generated in association with power generation of a fuel cell stack.
Resumen de: WO2025176273A1
The various embodiments of the present invention disclose an electrolyser and a method for electrolysis of water. The system (100) comprises at least an electrolyser stack (101) producing a first gas-first electrolyte mixture at a first compartment of the stack (101), and a second gas-second electrolyte mixture at a second compartment of the stack (101). A first separator (103) receives the first gas-first electrolyte mixture via a first outlet (107) and separates a first electrolyte from a first gas. A second separator (104) receives the second gas-second electrolyte mixture via a second outlet (108) and separates a second electrolyte from a second gas. A first inlet (105c) transports at least the first electrolyte into the stack (101) and a second inlet (106c) transports at least the second electrolyte into the stack (101). A first suction line (105a) connects a first pump (109) and the first separator (103) and a first head line (105b) connects the first pump (109) and the first inlet (105c) of the stack (101). A second suction line (106a) connects a second pump (110) and the second separator (104), and a second head line (106b) connects the second pump (110) and the second inlet (106c) of the stack (101). An interconnect line (111) connecting the first head line (105b) and the second suction line (106a) is configured to supply a portion of the first electrolyte, at a predetermined mixing rate, from the first head line (105b) to the second suction line (106a). The predeter
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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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: US2025262610A1
According to the embodiments of the present disclosure, an ammonia decomposition catalyst may be prepared by performing heat treatment on alumina, a lanthanum compound and a cerium compound in a reducing gas atmosphere to form a composite oxide on an alumina support, and supporting an active metal including ruthenium on the composite oxide.
Resumen de: JP2024028790A
To provide a hydrogen generation system that generates hydrogen from raw water.SOLUTION: A hydrogen generation system includes pure water generating means for generating pure water from raw water, hydrogen generating means for generating hydrogen from the pure water generated by the pure water generating means, and hydrogen storage means for storing hydrogen generated by the hydrogen generating means.SELECTED DRAWING: Figure 1
Resumen de: WO2025178924A1
A system and method to precipitate calcium hydroxide at low temperatures (T < 40 °C) using an electrolytic reactor with hydrodynamic separation. The calcium can be supplied by any calcium bearing material such as calcium carbonate or basalt rock, or from industrial wastes such as brine or steel slag. The solid feedstock undergoes dissolution, whereas the brine may be utilized as is. Once in solution, the feed stream is directed towards an electrolyzer reactor which comprises a cathode, an anode, and a membrane separator. At the cathode, or in a separate precipitation chamber, an alkaline catholyte solution containing calcium hydroxide (portlandite) and magnesium hydroxide (brucite) precipitates, and hydrogen gas is produced.
Resumen de: WO2025179041A1
Particular embodiments described herein provide for a synthetic fuel creation system. The synthetic fuel creation system includes a syngas creation station to create syngas, a crude creation station to create heavy syncrude, and a crude cracking station to convert the heavy syncrude into synthetic fuel. The synthetic fuel creation system can use an electrocatalysis system to create the syngas and the electrocatalysis system can include an anode, a cathode, oxygen evolution reaction catalysts, hydrogen/carbon monoxide evolution reaction catalysts, and an electrolyte, where the hydrogen/carbon monoxide evolution reaction catalysts include a graphitic carbon nitride.
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: WO2025177951A1
Problem The present invention provides a diaphragm for alkaline water electrolysis in which an inorganic compound for imparting hydrophilicity is not likely to fall off from an organic polymer porous membrane. Solution In this diaphragm for alkaline water electrolysis, a thin film that is derived from a titanium alkoxide and/or a zirconium alkoxide is adhered to an organic polymer porous membrane. The organic polymer porous membrane is a polysulfone-based porous membrane or a polyphenylsulfone-based porous membrane, and is supported by a wet nonwoven fabric that has polyphenylene sulfide fibers as constituent fibers. The organic polymer porous membrane supported by the wet nonwoven fabric is immersed in a diluent that is obtained by dissolving a solute, which is composed of a titanium alkoxide and/or a zirconium alkoxide, in a solvent and has a concentration of 0.1-20 vol%. Thereafter, in a situation where the solute is not precipitated, a heat treatment is performed so as to obtain a diaphragm for alkaline water electrolysis, in which a thin film that is derived from a titanium alkoxide and/or a zirconium alkoxide is adhered to the organic polymer porous membrane.
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: WO2025177010A1
An apparatus for carrying out a chemical reaction, which includes a heat source configured to circulating a fluid and a fluidised reactor unit. The reactor unit includes a heat exchanger unit configured to receive the heated fluid to provide heat to the reactor unit, a fluidised bed, and an internally located particle separator.
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: 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: 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: EP4606932A1
The various embodiments of the present invention disclose an electrolyser and a method for electrolysis of water. The system (100) comprises at least an electrolyser stack (101) producing a first gas-first electrolyte mixture at a first compartment of the stack (101), and a second gas-second electrolyte mixture at a second compartment of the stack (101). A first separator (103) receives the first gas-first electrolyte mixture via a first outlet (107) and separates a first electrolyte from a first gas. A second separator (104) receives the second gas-second electrolyte mixture via a second outlet (108) and separates a second electrolyte from a second gas. A first inlet (105c) transports at least the first electrolyte into the stack (101) and a second inlet (106c) transports at least the second electrolyte into the stack (101). A first suction line (105a) connects a first pump (109) and the first separator (103) and a first head line (105b) connects the first pump (109) and the first inlet (105c) of the stack (101). A second suction line (106a) connects a second pump (110) and the second separator (104), and a second head line (106b) connects the second pump (110) and the second inlet (106c) of the stack (101). An interconnect line (111) connecting the first head line (105b) and the second suction line (106a) is configured to supply a portion of the first electrolyte, at a predetermined mixing rate, from the first head line (105b) to the second suction line (106a). The predeter
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: WO2025173338A1
This pretreatment method comprises, prior to incorporating a mesh plate (80) into a cell, exposing the mesh plate (80) to ultrasonic waves while the mesh plate (80) is immersed in water. Hydrophilicity of the mesh plate (80) is thereby improved. Stagnation of gas in the mesh plate (80) when an electrochemical reaction is performed in a cell can therefore be suppressed. The efficiency of an electrochemical reaction in a cell can be improved as a result.
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: AU2023389305A1
The present invention relates to an alkaline anion exchange membrane precursor (pAAEM) comprising a blend of at least one first polymer (P1) comprising repeating units derived from acrylonitrile and at least one second polymer (P2) comprising repeating units derived from a vinyl lactam, and an alkaline anion exchange membrane (AAEM) obtained therefrom.
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: 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: 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: 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: 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: US2025262610A1
According to the embodiments of the present disclosure, an ammonia decomposition catalyst may be prepared by performing heat treatment on alumina, a lanthanum compound and a cerium compound in a reducing gas atmosphere to form a composite oxide on an alumina support, and supporting an active metal including ruthenium on the composite oxide.
Resumen de: CN120517544A
本发明涉及海上风电技术领域,尤其涉及一种风电场制氢储运系统,包括风电制氢平台和穿梭储氢船,风电制氢平台能够将风能转化为电能并进行电解水制氢,多个风电制氢平台间隔分布在海上并通过场内输氢管连接组成风电制氢场,风电制氢场上外接有场外输氢管,场外输氢管漂浮在海上,穿梭储氢船能够与场外输氢管连通并对来自风电制氢场的氢气进行储存,多个穿梭储氢船交替往返于风电制氢场和码头进行氢气运输。该风电场制氢储运系统能够通过风电制氢场进行分布式制氢,并借助穿梭储氢船进行集中式储运,大幅降低了氢的转运技术难度、转运能量损失和转运泄露爆炸风险。
Resumen de: CN120515470A
本发明公开了一种高结晶度melon基氮化碳光催化剂及其制备方法和应用,属于光催化材料制备技术领域。本发明采用分阶段控温聚合工艺,通过精准调控含氮前驱体的脱氨动力学过程,在高温条件下成功构建具有有序层状堆垛结构的高结晶度氮化碳材料。该光催化剂在可见光区展现出优异的宽谱响应特性,配合铑‑铬双金属及碳包覆四氧化三钴(Co3O4@C)复合助催化剂体系时,其光催化全分解水性能明显优于传统无定形氮化碳材料。本发明为规模化制备高效稳定光解水催化剂提供了新策略,在清洁能源生产领域具有重要应用价值。
Resumen de: CN120519880A
本发明涉及电催化技术领域,公开了一种用于碱性电解槽的高润湿性复合多孔陶瓷电极的制备方法,包括隔膜和催化剂层两个部分,所述的隔膜由聚砜、钇掺杂氧化锆纳米颗粒、聚丙烯网格组成,所述的催化剂层由过渡金属Ni、Fe、Co组成,该复合多孔陶瓷电极多孔骨架支撑复合膜的制备、过渡金属催化剂层的涂附工艺,该复合多孔陶瓷电极能够在强碱环境、高温下稳定工作,并且提供较高的电流密度,具有很高的制氢效率,该制备工艺能够将隔膜与催化剂层一体化,降低接触电阻,同时能够减少贵金属在制氢方面的使用,易于广泛推广。
Resumen de: CN120520706A
本发明公开了一种能量转换装置,属于能量转换技术领域,包括电解水设备、燃烧室、蒸汽室、气缸、氢气存储罐、氧气存储罐;电解水设备的氢气出口通过连接管一与氢气存储罐的进气口连接,电解水设备的氧气出口通过连接管二与氧气存储罐的进气口连接,氢气存储罐的出气口通过连接管三与燃烧室的进气喷口一连接,氧气存储罐的出气口通过连接管四与燃烧室的进气喷口二连接,燃烧室设有电子点火器;蒸汽室顶端通过连接管五与气缸进气口连通;气缸外壁包裹有冷却箱;燃烧室底侧设有排水口。本发明的优点在于:本发明能量梯级利用率高,闭环清洁运行,燃烧速度快,启动迅速,在能量转化过程中可以实现相应的功能,从而达到能量的充分利用。
Resumen de: CN120519908A
本申请属于高熵电催化剂技术领域,具体涉及一种高价金属掺杂镍铁锌铈钴(氧)氢氧化物双功能催化剂、制备方法及应用。本申请采用一步水热法,在室温下配成含有镍、铁、锌、铈、钴等金属盐溶液,并将其充分搅拌超声均匀,放入高压釜中,加入泡沫镍浸渍,水热、洗涤、干燥得到负载在泡沫镍(NF)上的高价金属掺杂的镍铁锌铈钴(氧)氢氧化物材料。由于多种金属之间的协同效应加速了电荷转移,尤其是Cr的引入,可以调节电子结构,增强导电性,暴露丰富的活性位点,可获得优异的电催化活性。本申请的制备方法温和可控,实用性强,且重现性好,对环境友好,具有较优异的双功能电催化性能,可应用于电解水制氢领域,还可以进一步用于尿素氧化领域。
Resumen de: CN120519894A
本发明涉及了一种基于微波技术的PtFe/NF纳米片快速制备方法,该方法以氯铂酸和硝酸铁和泡沫镍为原料,以乙醇‑水混合溶液为溶剂,通过微波反应器实现PtFe/NF纳米片的高效合成。该制备工艺具有操作简便、绿色环保、反应速率快等显著优势,所制得的PtFe/NF纳米片在碱性淡水及碱性海水电解制氢领域展现出良好的应用前景,有望为氢能制备技术提供创新型解决方案。
Resumen de: CN120519937A
本发明公开了一种减少镁合金支架表面氢气析出的方法,涉及生物医用材料表面改性技术领域,包括以下步骤:表面纳米化处理:采用超声表面滚压技术,在镁合金支架表面制备厚度5‑20μm的纳米晶层,晶粒尺寸控制在20‑100nm,表面粗糙度Ra≤0.5μm,使表面活性位点密度降低30%‑50%;复合涂层沉积。该减少镁合金支架表面氢气析出的方法,通过表面纳米化处理降低表面活性位点密度,复合涂层提供物理屏障,微弧氧化陶瓷层增强耐腐蚀性,稀土元素掺杂调控电化学反应,四重机制协同作用,使镁合金支架的析氢速率显著降低,在模拟体液中测试,平均析氢速率≤0.05mL/(cm2·d),优于现有单一涂层技术的抑制效果。
Resumen de: CN120519886A
本发明公开了一种Cu1.8S/C复合材料、其制备方法及应用,属于电解制氢技术领域。其技术方案包括将Cu块作为阳极靶材放置在电弧反应室内的水冷铜台上,石墨棒作为阴极,点弧前抽真空,随后,向反应室内依次通入氩气和甲烷,点弧,停弧之后抽出残余气体,将炉内的纳米颗粒在氩气气氛下钝化,在反应室顶部和侧壁收集黑色粉末,该粉末即为Cu/C纳米颗粒;将上述Cu/C纳米颗粒和S粉在550℃及氩气保护下进行热处理,得到Cu1.8S/C纳米复合材料。本发明应用于电解制氢方面,解决硫化铜类化合物较低的载流子迁移速率问题,具有高效的载流子迁移、耐久性好及催化效率高的特点。
Resumen de: CN120515443A
本发明属于压电光催化剂领域,具体涉及一种用于光催化产氢及还原CO2的CuCo2S4/Co0.2Cd0.8S复合催化剂。本发明以铜钴硫(CuCo2S4)为助催化剂通过简单的水热法制备富有硫空位的CuCo2S4/Co0.2Cd0.8S‑Vs复合催化剂,CuCo2S4稳定性优良,微观结构明显易于观察,且CuCo2S4的引入没有改变Co0.2Cd0.8S‑Vs的晶体结构,制备的复合催化剂的结晶度和纯度较高,于太阳光照射和超声波振动协同作用下,进行压电光催化产H2,或压电光催化还原CO2产CO和CH4;具有高催化活性和较好的稳定性。
Resumen de: CN120519876A
本申请公开了一种膜电极的制备方法、膜电极及电解槽,制备方法包括:将氧化锡锑ATO负载的氧化铱催化剂作为电解水制氢的阳极催化剂,配制成析氧电极浆料;将40%铂炭(Pt/C)催化剂作为电解水制氢的阴极催化剂,配制成析氢电极浆料;预处理质子交换膜(Nafion,N117),在搅拌的条件下,分别用80℃~85℃的5wt%双氧水和5wt%的硫酸处理至少1小时,之后用去离子水反复冲洗,干燥质子交换膜,并用热压机将质子交换膜压作平整处理;将阴极和阳极催化剂浆料分别喷涂在转印膜PTFE上;将上述涂有催化层的转印膜PTFE和质子交换膜热压在一起,自然冷却后取下PTFE膜,得到膜电极。本申请的技术方案提升了膜电极的性能和稳定性。
Resumen de: CN120515745A
本发明提供了一种用于水电解制氢PEM膜电极修复的清洗装置,属于PEM膜电极清洗技术领域。其技术方案为:包括溶剂槽,溶剂槽内两侧侧壁上均设置有转轴,两个转轴之间设置有用于放置PEM膜电极的夹持机构,溶剂槽外侧面上设置有电机,相应侧转轴设置在电机的输出轴上;夹持机构包括一对分别同轴设置在两个转轴内侧端的圆盘,两侧圆盘之间沿同一圆周设置有若干组支撑部,支撑部包括弧形长板,弧形长板上设置有若干组固定块,相邻两个固定块之间形成弧形夹槽。本发明的有益效果为:本装置通过创新的结构设计和自动化控制,不仅提高了PEM膜电极的清洗效果和完整性,还增强了装置的通用性、操作简便性和稳定性,具有显著的技术优势和经济效益。
Resumen de: CN120515454A
本发明提供了一种高暴露活性位点异金属多酸团簇催化剂的制备方法,将无催化活性位点的镍(Ni)取代POM(NiW)通过精准热活化改性,成功合成了高暴露活性位点的350‑HNiW材料。在水分解产氢的光催化反应中,350‑HNiW的产氢速率可达55mmol·g‑1·h‑1。催化剂的改性方法非常简单,只需要通过计算热稳定性差异,在管式炉中进行精准加热活化。催化剂经历从无催化活性到高催化活性的过程,从而高效分解水产氢。
Resumen de: CN120519896A
本发明公开了一种三金属尖晶石氧化物/高价金属氧化物复合OER电催化剂及其制备方法。所述方法先通过胶体磨一步合成缺陷丰富的三金属LDH纳米片,然后利用离子交换法将高价过渡金属氧酸根离子插入LDH层间,最后采用低温热氧化法使LDH向尖晶石结构拓扑转化同时产生更多的缺陷,制得复合氧化物电催化剂。本发明基于层状双氢氧化物层间阴离子的可调性质,结合成核晶化隔离法、离子交换法和热氧化技术,制备了具有超薄纳米片结构和丰富的表面缺陷的复合氧化物电催化剂,其具有远高于贵金属的OER催化性能。
Resumen de: CN120519883A
本发明涉及酸性析氧反应催化剂领域,公开了一种Ru基析氧催化剂及其制备方法和应用。制备方法为:制备CoMn‑ZIF‑L前驱体骨架;将CoMn‑ZIF‑L前驱体骨架在惰性气氛下煅烧,得到载体;将载体分散在溶剂中,然后加入RuCl3溶液中反应,将反应产物分离、洗涤、干燥后在空气氛围下煅烧,得到所述Ru基析氧催化剂。本发明以MOF骨架载体限域、原子掺杂配位重构、界面稳定性强化为协同调控路径,制备出基于沸石咪唑酯骨架结构前驱体的叶状薄片钴锰尖晶石作为新型载体,最终实现高Ru利用率、强界面相互作用、快传质效率的三重突破。
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: 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: 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: CN120515376A
本公开涉及氢气制备技术领域,特别是集成式本生反应器及热化学硫碘循环制氢工艺,包括内衬抗腐蚀材料的反应容器,反应容器上部设有通入本生反应原料的喷射器,中部设有硫酸相出口,底部设有氢碘酸相出口;喷射器包括夹套管和设于其内的内管,内管为本生反应原料的液相流道,夹套管为本生反应原料的气相流道,高压的本生反应原料通过喷射器形成雾状气液混合物,实现了气体和液体在带压下的瞬间均匀混合,消除了气液相的传质阻力,极大的缩短了反应所需的时间,同时在加压状态下,打破SO2的5%溶解度限制,实现了一次性完全溶解,解决了系统硫元素的完全闭环循环难题。
Resumen de: CN120515441A
本发明公开了一种基于金属载体的整体式催化剂、制备方法及应用;该方法包括:对金属载体进行碱/酸超声清洗、干燥后,通过梯度氧化处理在载体表面形成氧化层,最后采用浸渍法、3D打印涂覆或电弧喷涂法负载催化层;本发明通过碱刻蚀去除表面杂质,结合梯度氧化工艺在金属载体表面形成特殊氧化层结构,显著增强了催化剂与载体的界面结合强度,优化了传质/传热性能。该方法工艺简单、易于规模化生产,所制备的催化剂在氨分解制氢反应中表现出优异的催化活性和高温稳定性,特别适用于高温条件下的高效制氢应用。
Resumen de: CN120519915A
一种电解槽测试系统及压力分程控制方法,属于电解水制氢测试技术领域,解决如何提高电解槽制氢时测试系统的稳定性,减少产气量波动对压力的影响的问题,本发明通过并联大小阀门的方式分程调控阀门总开度,能够合理的调控电解槽的产物以及保证整个测试系统的工况压力稳定性,避免单个阀门进行控制时无法达到工况需求;并联双阀门的分程控压方法既能确保不同电流拉载工况下气量变化时测试系统的稳定性和安全性,还能够稳定工况下阴阳极压差从而确保电解槽的质子交换膜的使用寿命。
Resumen de: CN120519899A
本发明提供了一种海水电解制氢膜电极制备及双极板、阳极集电器的处理方法,一种海水电解制氢膜电极制备方法,包括以下步骤:步骤1:通过静电纺丝制备纳米纤维,将制备的纳米纤维进行分切为短纤维,然后和粘结剂混合,加入溶剂,分散均匀得到纤维浆料;步骤2:将纤维浆料涂布在质子交换膜表面,干燥形成纳米纤维层;步骤3:称取阳极催化剂、粘结剂和溶剂混合,分散均匀得到阳极催化剂浆料;本发明的有益效果是:在制备时采用静电纺丝技术将全氟磺酸树脂和功能性聚合物混合制备成纳米纤维,且降低分切成均匀的尺寸,形成有序的多孔结构。
Resumen de: CN120515459A
本发明涉及光催化析氢技术领域,公开了一种光诱导高分散AgNi/CM‑C3N4催化剂的制备方法及应用,制备方法为:将CM‑C3N4分散在银盐和镍盐的混合水溶液中,通过超声搅拌直至分散均匀,将混合悬浮液置于氙灯光源下,将得到的沉淀物干燥后研磨,即得到AgNi/CM‑C3N4光催化剂。本发明使用的光诱导法操作简单,抑制颗粒团聚,得到的催化剂光催化析氢活性得到明显提升。
Resumen de: CN120515343A
本发明涉及能源技术领域,特别涉及一种光‑热化学链制氢系统,包括进气单元水蒸气单元、光‑热固定床反应器和石英气液分离单元,光‑热固定床反应器包括旋转石英管反应器、位于旋转石英管反应器上方的高能流太阳能模拟器和位于旋转石英管反应器下方的加热组件,进气单元和水蒸气单元分别与旋转石英管反应器的进气端管道连接,石英气液分离单元与旋转石英管反应器的出气端管道连接。本发明通过旋转石英管反应器转动,使得反应器中全部氧载体材料均能够受到光的照射,在短时间内实现光催化和光热催化,并通过调整光源功率实现对温度的精准调控,实现超纯氢气≥99%及高选择性合成气制备,提高了系统能量效率,降低制氢成本,具有广阔的应用前景。
Resumen de: CN120521294A
本申请涉及燃气热水器领域,尤其涉及一种燃气热水器、燃气热水器控制方法、装置及介质,包括:氢气产生装置、燃气加热装置、进气三通阀和溶气罐;氢气产生装置包括纯水提供装置和电解水装置,纯水提供装置与电解水装置连接;电解水装置进气三通阀连接;燃气加热装置包括热交换器,所述热交换器包括出水口;进气三通阀与出水口连接,进气三通阀与溶气罐连接。由此可见,电解水装置产生的氢气通过进气三通阀流入溶气罐,经过加热的市政水通过进气三通阀流入溶气罐中,从而使得在溶气罐中氢气充分溶解于经过加热的市政水,进而防止氢气发生逃逸,有效提高氢气的利用率。
Resumen de: CN120515339A
本发明公开了一种氨裂解催化剂搭载结构及微反应器,搭载结构包括多个搭载体,多个搭载体沿第一方向依次叠合设置,搭载体均布有沿第一方向贯通设置的多个过气孔,相邻两个搭载体上的过气孔至少有一部分在第一方向上错位设置,相邻两个搭载体相互叠合的至少一面均布有多个流道槽,对应的搭载体上的过气孔设于流道槽内,相邻两个搭载体上相互靠近的过气孔通过流道槽连通,过气孔和流道槽分别设有氨裂解催化剂。既能保证反应气体在经过搭载体时留有充分的时间在搭载体表面的氨裂解催化剂作用下进行反应,又能够保证一定的气体通量,使得反应完的气体及时排出,同时减小搭载结构的体积,又能减少反应气体沿程路径,从而降低逆反应的产生。
Resumen de: CN120519895A
本发明提供了一种Ru基合金化异质结电解水制氢催化剂的制备方法,属于纳米材料和电化学技术领域。本发明使用的三元熔盐辅助的焦耳热快速煅烧工艺,可以在空气气氛下低成本,高效率制备二维多孔Ru基合金化异质结电解水制氢催化剂。该电解水制氢催化剂具有优异的结构和组分优势,其二维多孔结构的优势在于可以提升催化剂活性位点的数量并有利于反应过程中氢气的脱出。其合金化异质结的组分优势在于合金化以及丰富的异质界面可以增加Ru活性位点的种类并激发不同组分的协同效应。进而优化Ru对中间产物的吸附能析氢反应动力学,展现出优异的碱性电解水析氢性能。
Resumen de: CN120519884A
本发明公开了一种模板法合成NiFeCu阵列催化剂的方法及NiFeCu阵列催化剂,涉及催化剂技术领域,包括如下步骤:对泡沫铜进行清洗,除去表面氧化物和污染物;将浓度为0.1‑0.2mol/L的过硫酸铵溶液和浓度为1mol/L的NaOH溶液按照体积比1:1混合均匀,得到混合液一,将清洗后的泡沫铜置于混合液一中反应20‑60min,得到Cu(OH)2/CuF阵列模板;将Cu(OH)2/CuF阵列模板置于含有草酸、镍源与铁源的混合液二中反应30‑120min,得到具有纳米棒阵列结构的NiFeCu阵列催化剂;应用于OER工作电极时,经活化形成NiFeCuOX阵列催化剂,无需类似粉体催化剂所需要的nafion粘结剂,可保证电解液与催化剂的有效接触和氧气的快速释放,大幅提升电化学性能。
Resumen de: CN120515993A
本发明属于能源技术领域,具体涉及一种铝基制氢材料及其制备工艺。本发明提供的铝基制氢材料包括铝粉、复合活化剂、活化金属和盐;所述复合活化剂是由三氧化二锑、五氧化二钒和改性碳纳米管制备得到的复合材料。本发明采用三氧化二锑、五氧化二钒和改性碳纳米管制备得到复合材料作为复合活化剂,使氧化铝膜结构疏松、开裂,破坏氧化膜的完整性,加速电子转移,提高铝基制氢材料的产氢效率;采用镍和钴对酸化后的碳纳米管进行改性,通过在碳纳米管中吸附镍来降低氢气的生成能垒,提升产氢效率,通过在碳纳米管中吸附钴来促进铝粉表面的氧化膜溶解,提高铝粉的反应活性。
Resumen de: CN120515400A
本发明涉及光催化材料技术领域,具体为一种活性碳基高效光催化材料及其制备方法:包括以下步骤:S1:基料准备,基料选取活性炭,活性炭进行磨粉处理,制得粉料,待用;S2:基料预处理,对粉料进行预处理,制得主料,待用。本发明中,在光催化材料的制备过程中,通过对活性炭的形态改变处理,在处理中将活性炭磨粉后制成浆料,之后对浆料进一步处理后进行静电纺丝处理,之后重新制成颗粒材料用于制备光催化材料,经过静电纺丝的处理可以使得活性炭形成丰富的纤维孔洞结构,在其内部形成连贯的微孔,有效提升了光催化材料的表面面积,进而有效提升了光催化材料的净化效果。
Resumen de: CN120519912A
本发明公开了一种铁银共掺杂氧化镍自支撑电极及其制备方法与应用,属于电极材料技术领域,制备方法包括以下步骤:将泡沫镍依次进行裁剪处理、超声清理处理和干燥处理,干燥处理后备用;将Fe(NO3)3·9H2O、AgNO3和CO(NH2)2溶解于乙醇和去离子水中,搅拌后放入水热釜;将泡沫镍插入聚四氟模具底座,所述泡沫镍保持垂直状态;在110℃下保持15小时,冷却至室温,洗涤、干燥后在马弗炉中350℃下退火2h得到铁银共掺杂氧化镍自支撑电极材料;该电极可用于碱性条件下电解甲醛溶液的阴阳两极析氢,是一种双功能电极,具有较好的经济性和环保性。
Resumen de: CN120519900A
本发明公开了一种钨掺杂镍/钴双金属硫化物(W‑NiCo2S4)的制备方法,以泡沫镍(Ni foam)为载体,通过水热法结合后续硫化处理,构建W掺杂的CoNi2S4纳米结构。W的引入有效调控了催化剂的电子结构,增强了其导电性和结构稳定性,并显著提升其在电催化硫化物氧化反应(SOR)中的催化活性与抗硫中毒能力。本发明制备的催化剂在碱性电解质中均表现出优异的电催化性能和长期稳定性,合成过程操作性强,适用于硫化氢分解制氢等能源转化领域,表现出极好的工业应用前景。
Resumen de: CN120519877A
本发明涉及气压设备的端板技术领域,公开了一种自动平衡气压的端板,其技术方案要点是包括端板主体、气压平衡盖板;所述端板主体的边沿与目标设备的其他结构固定密封连接,所述端板主体上贯穿的设置有气体出口;所述端板主体的顶面中部设置有凹陷的气压平衡槽,所述气压平衡盖板密封的盖设在所述气压平衡槽的顶端口沿;所述气体出口和所述气压平衡槽之间设置有气体通道;所述气压平衡槽内设置有支撑机构,所述支撑结构在所述端板主体和所述气压平衡盖板之间形成可供气体流通的气压平衡腔,所述气压平衡腔与所述气体通道之间连通。
Resumen de: CN120519878A
本发明涉及绿电制氢的技术领域,特别是涉及一种用于大规模绿电应用场景的水电解制氢装置,其能够将极板上的气泡振动脱落,减少气泡占用极板的时间,提高电解制氢效率;包括电解箱、进水管、阴极板、阳极板和电化学工作站;还包括振动板一、振动板二、出气管一、出气管二和摆动机构,振动板一弹性安装在电解箱的腔室左端,阳极板安装在振动板一的端面上,振动板二弹性安装在电解箱的腔室右端,阴极板安装在振动板二的端面上,阴极板和阳极板相对布置,摆动机构安装在电解箱的腔室中,摆动机构驱动振动板一和振动板二往复振动,出气管一和出气管二安装在电解箱上,出气管一的输入端位于阳极板的上方,出气管二的输入端位于阴极板的上方。
Resumen de: CN120519868A
本发明公开了纸基电极耦合热电驱动光电催化制氢装置,包括电化学工作站,所述电化学工作站内设有电解槽,且电解槽内设有电解液,所述电解槽内设有热电模块,所述热电模块的顶部设有纸基电极,所述热电模块通过导热硅胶与纸基电极粘合,所述纸基电极的截面形状为L型,所述电解槽右侧设有回环部,所述回环部内设有光阴极和参比电极,所述光阴极通过导线和电化学工作站的负极连接,且电化学工作站的正极通过导线与热电模块连接,所述参比电极通过导线与电化学工作站连接;本发明通过纸基电极和热电模块的结合来利用太阳光中的红外光,能够解决光电催化系统不能有效利用红外光的问题,实现太阳光的全谱利用,提高光电催化效率。
Resumen de: CN120518864A
本发明提供一种聚合物及其制备方法和应用,所述制备方法包括以下步骤:步骤一、将多巴和/或多巴胺与有机溶剂混合,加入有机碱、硅烷化合物,得到第一中间产物;步骤二、将第一中间产物与有机溶剂混合,加入pH调节剂,搅拌反应,得到第二中间产物;步骤三、将二苯砜类化合物与有机溶剂混合,加入第二中间产物,搅拌反应,得到第三中间产物;步骤四、将第三中间产物与有机溶剂混合,加入铵盐,得到第四中间产物;步骤五、将第四中间产物、双酚A与有机溶剂混合,加入无机碱,搅拌反应,得到所述聚合物。将所述聚合物用于制备碱性水电解复合膜,能够改善复合膜与电解液的浸润性,减少隔膜的表面电阻,提高隔膜的电解效率和机械稳定性。
Resumen de: CN120519889A
本发明涉及电化学催化和电沉积技术领域,具体公开了一种低铱负载的铱钴磷纳米颗粒析氢电催化剂及其制备方法,所述析氢催化剂由基底负载铱、钴、磷金属制得,所述催化剂中的铱、钴、磷金属为铱钴磷纳米颗粒结构,颗粒尺寸为10‑300nm,铱、钴、磷元素分布均匀,铱含量可低至0.32wt%。所述催化剂在1.0M KOH溶液中,于10mA/cm2电流密度下过电位可低至31.3mV,Tafel斜率可低至40.6mV/dec,析氢性能优异,成本显著降低,适合大规模工业应用,具有良好的市场应用前景。
Resumen de: CN120519874A
本发明属于氢能技术领域,具体涉及一种实验用小型质子交换膜电解水制氢测试平台,包括:电解池(槽)以及辅助系统,所述辅助系统包括电解水加热装置、循环装置、氢气分离收集装置、氧气分离收集装置、水体净化回收装置、电解电源供应装置。本发明制备的实验用小型质子交换膜电解水制氢测试平台结构简便,易于组装并适应于光伏波动工况,克服了传统实验室用质子交换膜电解水制氢系统的不足之处,提高了设备操作的灵活性和实验控制的可行性。其次,装置可接入实际光伏波动工况下的电源输入,实现制氢系统与波动性能源的耦合制氢,具有重要的实际意义。
Resumen de: CN120519887A
本发明涉及一种析氧电催化材料及其制备方法与应用,属于电解水制氢技术领域。针对现有贵金属基OER催化剂成本高昂、性能差及稳定性不足的技术难题,本发明提出一种负载在导电沸石分子筛骨架上的二氧化铱颗粒的新型OER电催化剂,通过将导电金属离子植入沸石分子筛骨架,并结合金属‑载体协同效应,实现了高活性、高稳定性的OER性能。
Resumen de: CN120515488A
本发明涉及一种负载型镍催化剂及制备方法、氨气分解制氢的方法,属于催化剂技术领域,所述负载型镍催化剂包括分子筛载体以及负载在所述分子筛载体上的镍离子,其中:所述分子筛载体为SOD分子筛,在所述SOD分子筛中,碱金属、铝和硅的摩尔比为(1‑4):1:1;以所述负载型镍催化剂的总质量为100%计,所述镍离子的含量为0.5‑20%。本发明提供的负载型镍催化剂具有丰富的微孔结构、晶化时间短且成本低的优点,能够降低氨气分解所需的温度以及氨气完全分解的温度,极大程度的降低了生产成本,具有巨大应用潜力。
Resumen de: CN120519898A
本发明属于光电催化领域,公开了一种亚硫酸盐和硫化镉/二氧化钛(CdS/TiO2)协同光电解合成2,5‑呋喃二甲酸和氢气的方法。本发明通过引入亚硫酸盐作阳极牺牲剂和光/电生活性物质,与光催化剂CdS/TiO2协同促进5‑羟甲基糠醛光电解合成高附加值2,5‑呋喃二甲酸和绿氢,该方法不仅有利于解决光催化剂不稳定及电解水制氢能耗高的问题,而且合成反应在接近中性的温和条件下进行,避免了强碱和高温高压氧的使用,光电能量利用率高,反应可控,操作简单,成本低,具有潜在的应用前景。
Resumen de: CN120515449A
本申请属于催化剂制备技术领域,具体涉及一种Ni/D‑TiOSO4纳米催化剂及其制备方法和应用。该催化剂包括D‑TiOSO4纳米片和分散在D‑TiOSO4纳米片上的Ni纳米粒子;该D‑TiOSO4纳米片为富含氧缺陷的TiOSO4纳米片;Ni纳米粒子的平均粒径为2.9 nm‑3.6 nm,所述Ni的含量为3.4 wt%‑15.0 wt%。本发明提供的Ni/D‑TiOSO4纳米催化剂表现出优异的催化性能、100%的H2选择性以及出色的稳定性,并且于298 K下添加0.1 M NaOH后,TOF显著提升至414.1 min‑1,具有良好的应用前景。
Resumen de: CN120519879A
本发明公开了一种光伏电即时电解水制备绿氢的装备,包括多个电解箱本体,所述电解箱本体的上端安装有封盖,多个电解箱本体之间相互架设,所述电解箱本体的一侧固定有固定盒,所述固定盒内设有调节机构,所述调节机构的上端安装有固定盒,所述调节机构上安装有升降机构,所述升降机构上安装有转动机构。本发明避免了传统系统中直流电转换环节的能量损耗,使太阳能能够更直接、高效地用于电解水,提高了能源利用效率,另外可以极大地提升电解液的循环效率和与电极的接触面积,促进了电解反应的进行,显著提高了电解效率,另外,方便快速布设和扩展,满足不同规模的绿氢生产需求,有助于降低绿氢的生产成本,提高绿氢的生产效率。
Resumen de: CN120519891A
本发明属于电解催化剂技术领域,尤其涉及一种钌纳米催化剂及其制备方法和应用。钌纳米催化剂的制备方法,包括以下步骤:(1)将氯化钌水溶液与氧化石墨烯水溶液混合,搅拌均匀,冷冻干燥;(2)将步骤(1)得到的样品置于两片碳纸之间进行焦耳热闪烧退火,所得黑色气凝胶即为钌纳米催化剂。本发明提供了一种高载量超细钌纳米催化剂,包括还原氧化石墨烯基底以及负载在所述基底上兼具高载量与超细特点的钌纳米颗粒。本发明中,还原氧化石墨烯基底呈膨松状,为钌纳米颗粒提供锚定位点,纳米颗粒呈高密度,细小且均匀的分散在基底上,结构清晰。
Resumen de: CN120515337A
本发明公开一种化学方便制氢器及应用,包括外体结构、制氢层室、氢气无水调温净化层室、过滤层室、穿刺注液件、呼吸道吸入应用装置或气管肺部和非呼吸道腔体输入应用装置、制氢化学反应固体物料、可刺破液储液袋和/或设置于穿刺注液件的外源制氢反应用液;制氢层室发生化学反应并制备氢气;制氢结构层室通过穿刺注液件的参与和/或易开盖外体结构的设置获得制氢反应用液的供给,通过固体物料和用液可控性持续供给的结构和机制实现制氢流量和安全性的控制及持续循环制氢。本发明使化学制氢器的应用如同食用方便食品和口服用药一样方便,本发明还包括制氢过程药物介入使制氢过程伴随药蒸气产生的技术和结构基础。
Resumen de: CN120519914A
双极膜强化电解水制氢电解槽,涉及电解水制氢技术领域,包括集成底座,集成底座上设有双极膜电解模块、水路循环模块、散热模块、纯化干燥模块;双极膜电解模块包括电解箱,电解箱焊接在集成底座上;电解箱内焊接有分隔竖板,分隔竖板上固定有电场发生器;分隔竖板上开设有连通口,连通口的两侧固定设有前段电解管和后段电解管;前段电解管上开设有阳离子排出口,阳离子排出口内固定有阳离子交换膜;前段电解管内还固定设有水平界面膜;后段电解管上开设阴离子排出口,阴离子排出口内固定有阴离子交换膜;后段电解管内还固定设有竖直界面膜。本发明解决了电解水制氢中存在的高能耗、低纯度、散热难、耗水多、系统庞杂、控制僵化及安全风险等问题。
Resumen de: CN120519911A
本发明提供了一种Ru‑RuO2纳米片的制备方法及其应用,属于纳米材料制备技术领域。本发明首先将L‑脯氨酸、三氯化钌三水合物、尿素加入到乙醇中,超声溶解后加热反应形成胶状物液体,然后在空气气氛下进行焦耳热处理得到Ru‑RuO2纳米片。该方法无需表面活性剂、模板剂、还原气氛和复杂的煅烧工艺,可以效率高、低能耗实现多孔异质结Ru‑RuO2纳米片的制备,具有工业化应用前景。这种原位煅烧形成的二维多孔异质结具有丰富的界面结构,可以充分发挥双组分的协同效应,显著提升了其在酸性电解水应用中的活性和稳定性。
Resumen de: CN120515408A
本发明提供了一种锂促进钌基氨分解催化剂及其制备方法,属于热催化技术领域。本发明所述制备方法的步骤如下:将LiNO3和Al(NO3)3·9H2O混合,得到第一混合溶液,之后将其与NaOH溶液滴加至Na2CO3溶液中生成沉淀,保持沉淀pH稳定,得到锂铝复合氢氧化物前驱体,将该前驱体进行焙烧,得到锂铝复合氧化物;将所述锂铝复合氧化物分散于乙醇中,之后滴加钌前驱体溶液,得到第二混合溶液,之后对其进行真空蒸发处理,最后进行还原处理,得到所述锂促进钌基氨分解催化剂。本发明所述催化剂在氨分解反应中表现出良好的活性和稳定性。
Resumen de: CN120521160A
本发明涉及氢气管路检测技术领域,尤其涉及一种制氢站电解水系统管路氢泄漏检测设备,包括有复合式气体检测仪和探头;复合式气体检测仪上通过连接管连接有探头。本发明实现了通过刮板刮除输氢管上侧表面结块的污垢,实现对输氢管上侧表面的清理,避免结块的污垢阻碍第一万向滚珠和第二万向滚珠滚动,影响第一半圆筒和第二半圆筒向左移动;通过膨胀的第一气囊和第二气囊对从第一喷口和第二喷口中喷出的气流进行阻挡,实现对泄漏氢气的引导,避免泄漏的氢气和泄漏的氧气共同流向输氢管和输氧管之间的位置,导致上述两种泄漏的气体相互混合在一起,危害检测人员的人生安全。
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: 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: 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: WO2025171924A1
Method for producing a hydrogen product from ammonia, comprising the steps of: - Providing an ammonia feed stream; - Passing the ammonia feed stream to at least one ammonia pre-cracking reactor for producing a partly converted ammonia feed stream comprising ammonia, hydrogen and nitrogen by a pre-cracking reaction, said pre-cracking reactor comprising a pre-cracking catalyst bed comprising from 20 wt% to 60 wt% of nickel, preferably from 25 wt% to 50 wt% of nickel as a pre-cracking catalytically active material, - Passing the partly converted ammonia feed stream to an ammonia cracking reactor for producing an effluent gas stream comprising hydrogen and nitrogen and optionally also unconverted ammonia by a cracking reaction, said cracking reactor comprising a cracking catalyst bed comprising from 10 wt% to 20 wt% of nickel as a cracking catalytically active material.
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: 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: US2025262610A1
According to the embodiments of the present disclosure, an ammonia decomposition catalyst may be prepared by performing heat treatment on alumina, a lanthanum compound and a cerium compound in a reducing gas atmosphere to form a composite oxide on an alumina support, and supporting an active metal including ruthenium on the composite oxide.
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: 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: 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: US2025266534A1
A water electrolysis system includes: a water electrolysis device including a membrane electrode assembly formed by sandwiching an electrolyte membrane between an anode and a cathode, the water electrolysis device being configured to generate oxygen gas at the anode by supplying water to the cathode and electrolyzing the water; and a water supply device configured to supply, to the anode, water generated in association with power generation of a fuel cell stack.
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: 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: WO2025173338A1
This pretreatment method comprises, prior to incorporating a mesh plate (80) into a cell, exposing the mesh plate (80) to ultrasonic waves while the mesh plate (80) is immersed in water. Hydrophilicity of the mesh plate (80) is thereby improved. Stagnation of gas in the mesh plate (80) when an electrochemical reaction is performed in a cell can therefore be suppressed. The efficiency of an electrochemical reaction in a cell can be improved as a result.
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: 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: 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: US2025263847A1
A system and method to precipitate calcium hydroxide at low temperatures (T<40° C.) using an electrolytic reactor with hydrodynamic separation. The calcium can be supplied by any calcium bearing material such as calcium carbonate or basalt rock, or from industrial wastes such as brine or steel slag. The solid feedstock undergoes dissolution, whereas the brine may be utilized as is. Once in solution, the feed stream is directed towards an electrolyzer reactor which comprises a cathode, an anode, and a membrane separator. At the cathode, or in a separate precipitation chamber, an alkaline catholyte solution containing calcium hydroxide (portlandite) and magnesium hydroxide (brucite) precipitates, and hydrogen gas is produced.
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: US2025263848A1
Particular embodiments described herein provide for a synthetic fuel creation system. The synthetic fuel creation system includes a syngas creation station to create syngas, a crude creation station to create heavy syncrude, and a crude cracking station to convert the heavy syncrude into synthetic fuel. The synthetic fuel creation system can use an electrocatalysis system to create the syngas and the electrocatalysis system can include an anode, a cathode, oxygen evolution reaction catalysts, hydrogen/carbon monoxide evolution reaction catalysts, and an electrolyte, where the hydrogen/carbon monoxide evolution reaction catalysts include a graphitic carbon nitride.
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: DE102024201557A1
Die Erfindung betrifft ein Verfahren zum Betrieb einer Elektrolyseanlage (1, 20) umfassend einen Elektrolyseur (11) zur Erzeugung von Wasserstoff (H2) und Sauerstoff (O2) als Produktgase, wobei Wasser als Edukt zugeführt wird und an einer protonenleitenden Membran (21) aus einem fluorfreien Polymer (24) zu Wasserstoff (H2) und Sauerstoff (O2) gespalten wird, wobei das Polymer (24) ein nicht-funktionelles Polymermaterial mit einer funktionellen hydrophilen Gruppe aufweist, wobei ein Produktgasstrom (5) in einem Phasengemisch umfassend Wasser (H2O) sowie ein jeweiliges Produktgas gebildet wird, und wobei ein Produktgasstrom einem dem Elektrolyseur (11) nachgeschalteten Gas-Separator (3, 13) zugeführt wird, und bei dem die Freisetzung eines ionischen Abbauproduktes der funktionellen hydrophilen Gruppe der Membran (21) über die Betriebszeit bestimmt wird, wobei dessen zeitlicher Verlauf der Konzentration ermittelt wird, wobei ein Maß für die betriebsbedingte Degradation der protonenleitenden Membran (21) infolge einer Freisetzung des ionischen Abbauprodukts der hydrophilen Gruppe ermittelt wird.Die Erfindung betrifft weiterhin eine entsprechende Elektrolyseanlage (1, 20) sowie eine Messsystem zur Durchführung des Verfahrens.
Resumen de: EP4603183A1
According to the embodiments of the present disclosure, an ammonia decomposition catalyst may be prepared by performing heat treatment on alumina, a lanthanum compound and a cerium compound in a reducing gas atmosphere to form a composite oxide on an alumina support, and supporting an active metal including ruthenium on the composite oxide. According to further embodiments, the present disclosure provides a catalyst with improved dispersibility which is particularly suitable for ammonia decomposition.
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: EP4603447A1
Method for producing a hydrogen product from ammonia, comprising the steps of:- Providing an ammonia feed stream;- Passing the ammonia feed stream to at least one ammonia pre-cracking reactor for producing a partly converted ammonia feed stream comprising ammonia, hydrogen and nitrogen by a pre-cracking reaction, said pre-cracking reactor comprising a pre-cracking catalyst bed comprising from 20 wt% to 60 wt% of nickel, preferably from 25 wt% to 50 wt% of nickel as a pre-cracking catalytically active material,- Passing the partly converted ammonia feed stream to an ammonia cracking reactor for producing an effluent gas stream comprising hydrogen and nitrogen and optionally also unconverted ammonia by a cracking reaction, said cracking reactor comprising a cracking catalyst bed comprising from 10 wt% to 20 wt% of nickel as a cracking catalytically active material.
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: 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: 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: 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: 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: 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: 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: 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: CN120502800A
本发明属于电解槽设备技术领域,公开了碱性制氢电解槽的紧固方法,组装完电解槽的零部件结构后,通过液压拉伸器以间隔的方式对拉紧螺栓的顶部进行拉伸预紧,以防止电解槽的各部件窜动;预紧完成后再对电解槽进行多次冷紧和热紧,完成对电解槽的紧固。预紧、冷紧和热紧过程中,液压拉伸器的泵站按照3~8MPa/次的差值进行升压,对拉紧螺栓进行拉伸紧固,将电解槽的零部件压紧,尽可能将缝隙消除,并挤压密封垫圈使其产生形变,提升电解槽的密封效果。本发明的技术方案,增强了对大型碱性制氢电解槽的紧固效果,使电解槽的长期使用状态更加稳定。
Resumen de: CN120505660A
本发明公开了一种固体氧化物电解池片阳极材料及其制备方法和应用,所述固体氧化物电解池片阳极材料包括LSCF颗粒以及在LSCF颗粒表面沉积生长的LNO颗粒,简称为LSCF‑LNO材料;LSCF的化学式为La0.6Sr0.4Co0.2Fe0.8O3,LNO的化学式为La2NiO4,所述LSCF‑LNO材料上LNO的质量是LSCF质量的10%‑50%。本发明充分利用LSCF的优良电子导电率以及LNO的优良氧离子传输性能,并通过两步合成法在以LSCF为主体在其表面形成LNO颗粒增强材料氧表面交换传输能力并增大反应三相界面和氧离子传输通道,以提高高温固体氧化物电解池电化学性能。
Resumen de: CN120505643A
本发明涉及氢能制备技术领域,具体是涉及一种基于光伏发电的集装箱电解水制氢系统,包括有电解结构、正极板和负极板,所述电解结构夹设于所述正极板和所述负极板之间;所述制氢系统还包括用以夹紧所述电解结构的夹紧机构,所述夹紧机构包括有固定设置的正极压板及可沿正极压板轴向移动的负极压板;所述夹紧机构还包括有缩进控制单元,用于在电解结构产生泄漏时缩小正极压板和负极压板之间间距恢复电解结构的密封性。本发明通过压力传感器实时监测电解结构的夹紧力,当发生泄漏导致夹紧力下降时,能够自动触发缩进控制单元,实现极板间距的调整,恢复电解结构的密封性,无需人工干预,大大提高了制氢系统的可靠性和响应速度。
Resumen de: CN120505665A
本发明属于电解水制氢技术领域,公开了碱性水电解槽用PPS复合纤维隔膜及其制备方法,该方法包括采用PPS树脂通过熔喷工艺制备PPS非织造布;将PPS非织造布置于硝酸溶液中进行硝化处理;对硝化后的PPS非织造布进行热压处理得到PPS纤维膜;将PPS纤维膜置于硝酸锌‑二甲基咪唑‑甲醇混合溶液中进行原位生长,得到PPS复合纤维隔膜。本发明采用的硝化、热压和原位自生相结合的方式,不仅在疏水的PPS纤维膜上引入亲水基团提升了其亲水性,还通过纤维间的热交联提高了PPS纤维膜的拉伸强度,同时利用原位自生的具有三维网状结构的ZIF‑8提高了PPS纤维膜的隔气性,本发明制备工艺简单、操作简便,能够满足工业碱性水电解制氢的需求。
Resumen de: CN120505638A
本申请涉及一种海水供水碱性电解水制氢装置,涉及电解制氢的领域,包括有膜电极组件,所述膜电极组件的两侧设置有气体收集腔室,所述气体收集腔室背离所述膜电极组件的一侧设置有进液组件,所述进液组件与所述气体收集腔室之间设置有气化部件,所述气化部件能够将通过其的液体气化进入到所述膜电极组件的内部。本申请具有减少电极的腐蚀,钙镁离子堵塞电极的情况的效果。
Resumen de: CN120505650A
本发明公开了多级环形质子交换膜电解槽双极板流场结构,包括板体,板体的中心位置同心设置有多级环形流道,多级环形流道是以双极板中心点为圆心,相邻环形流道之间均采用通道脊分隔;沿直径方向设置有中央通道,中央通道贯穿所有环形流道并且与每一个环形流道互通,中央通道以一级环形流道圆心沿直径方向呈轴对称分布;中央通道的一端为进水口,中央通道的另一端为出水口;板体的四周边沿间隔开有若干螺栓孔,板体一侧面设有电源接口。本发明属于质子交换膜电解水制氢技术领域,避免在转弯处发生速度和电流密度的突变,能够显著降低流场中的压力分布,减少蠕动本送水做功,提高电解槽性能。
Resumen de: CN120505635A
本发明申请公开了一种PEM电解槽,涉及电解槽技术领域,PEM电解槽,包括端板组件、极板组件和膜电极,其中极板组件、膜电极上设有与端板组件的分流通道分别连通的阳极侧进出水通道、阴极侧进出水通道。本申请的PEM电解槽所包含的部件少,结构简单,加工成本较低,可以保证具备良好的密封性,同时其可以从两侧的端板分别进水,则进水量更大,具备良好的散热性能,能够均匀分配反应物、生产物,提高了电解效率。
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: JP2024102507A
To provide a water electrolysis stack capable of improving durability.SOLUTION: A water electrolysis stack has a cell laminate in which a plurality of water electrolysis cells are laminated. In the cell laminate, inter-cell regions are formed in adjacent water electrolysis cells, and gas flows in the inter-cell regions during water electrolysis.SELECTED DRAWING: Figure 6
Resumen de: CN120504346A
本发明提供了一种溴掺杂的二维镍铁氧化物的制备方法及其应用,属于纳米材料制备技术领域。本发明通过将琥珀酸,乙二醇与金属盐,溴盐在混合溶液中反应,结合焦耳热快速升降温技术,形成了溴离子掺杂的二维多孔结构,该方法合成工艺简单,制备的催化剂在碱性海水电解中实现了较低的过电位优异的稳定性,显著提升了OER反应效率,为海水制氢技术提供了高效、耐用的电化学催化剂。
Resumen de: CN120505670A
本发明公开了一种用于碱水电解制氢的高效低耗长寿命碱液循环系统,包括阴极侧和阳极侧,对于阳极侧,碱水电解制氢装置连接催化转化模块,催化转化模块连接至气液分离模块,气液分离模块液体依次通过碱液循环模块、碱液循环换热器和碱液过滤器连接至电解槽;对于阴极侧,碱水电解制氢装置连接气液分离模块,所述气液分离模块液体的液体输出端依次通过碱液循环模块、碱液循环换热器和碱液过滤器连接至电解槽;阳极侧和阴极侧分别设置相应的碱液控制模块。本发明提高了碱性电解水系统宽负荷波动范围下的适应性,消除了氧自由基对系统设备的腐蚀以及降低了碱液循环泵的功耗,提升了碱水电解制氢系统的经济性。
Resumen de: CN120502331A
本发明公开了一种Ni/Al1.8Ce0.2Ox催化剂及其制备方法和在热催化氨分解制氢中的应用,将可溶性Ni盐、Al盐、Ce盐均匀分散在水中得混合液,再加入络合剂,通过溶胶凝胶法得到络合物前体,然后热解得到氧化物前体,再然后氧化物前体超声分散于水中,加入碱液进行刻蚀,得到刻蚀氧化物前体,最后刻蚀氧化物前体于H2/Ar气氛下焙烧,得到Ni/Al1.8Ce0.2Ox催化剂,用于热催化氨分解制氢。本发明的催化剂具有结构稳定、金属Ni高度分散的特点,通过碱刻蚀处理后,有效抑制了载体对金属Ni的包覆作用,溶出的金属Ni呈金字塔状形貌,具有更多不饱和配位的活性位点,催化剂的催化活性与稳定性显著提高。
Resumen de: CN120505657A
本发明公开了一种钨/氮化钒异质结电催化材料及其制备方法,将氯化钒、氯化钨和草酸溶解在乙醇中,其中氯化钒和氯化钨的摩尔比为(0.5‑3):(1‑3),得到混合液;将混合液的pH值调至1‑4后进行水热处理,得到反应液,将反应液中的产物洗涤后干燥,得到粉体;按(200‑600)mg:(0.5‑1.2)mol的比例,将粉体和碳源在氩气气氛下煅烧处理,得到钨/氮化钒异质结电催化材料,简单易行,原料成本低,绿色无污染,在碱性环境中电催化析氢活性高,稳定性强。
Resumen de: CN120505669A
本发明公开的一对多碱性电解水制氢监测系统,包括若干个碱液循环泵,每个碱液循环泵均管线连接有碱性电解槽,每个碱性电解槽的阴极端共同连接有氢中氧分析组件,每个碱性电解槽的阳极端共同连接有氧中氢分析组件,每个碱性电解槽和氧中氢分析组件之间均管线连接有监测组件,每个监测组件均与氧中氢分析组件连接,每个碱液循环泵共同连接有碱液冷却器,碱液冷却器分别和氢中氧分析组件、氧中氢分析组件连接,每个监测组件均数据连接有控制器。本发明还公开了一对多碱性电解水制氢监测方法。本发明的一对多碱性电解水制氢监测系统及监测方法,解决了无法对每台电解槽的氧中氢含量进行监测的问题。
Resumen de: CN120505642A
本发明公开的用于撬装碱性水电解制氢系统的辅助设备,包括箱体,箱体内设置有用于供电的配电柜间,配电柜间通过线路与设置在箱体内的水处理设备间、空压机设备间和输出设备间分别连接;箱体相对配电柜间位置设有连接外部电源的电源输入口;箱体相对水处理设备间位置设有水源输入口;箱体相对空压机设备间位置设有空气输入口;箱体相对输出设备间位置设有仪表气输出口、原料水输出口、碱液输出口和吹扫气输出口。本发明将纯水制备系统、配碱系统、压缩空气系统、氮气系统进行集成,提高了空间利用率,降低了辅助设备的占用空间。
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: CN120505661A
本发明涉及一种可平衡晶格氧消耗与填充的铈钨共掺杂钌氧化物催化剂及其制备方法和应用。本发明通过同时利用AEM‑OER催化剂的桥梁作用和CeOx对晶格氧空位填充的促进作用,在W‑RuO2稳定框架下激活LOM反应,从而平衡晶格氧的消耗与填充,能够实现RuO2在OER中的稳定性和高活性的双重优化,有效克服了单纯利用W掺杂来提高RuO2稳定性的技术以牺牲活性为代价、单纯利用Ce掺杂来激活RuO2晶格氧的以牺牲稳定性为代价的缺陷,实现了晶格氧消耗与补充的动态平衡,使得LOM机制的OER反应稳定运行,突破了传统活性和稳定性无法兼顾的技术瓶颈。
Resumen de: CN120505666A
本发明公开了一种用于碱性电解水制氢的PPS隔膜改性制备方法,包括:预处理、多巴胺亲水处理等步骤。通过上述方式,本发明一种用于碱性电解水制氢的PPS隔膜改性制备方法,有效提升了PPS隔膜的亲水性,并且优化隔膜孔径分布,更加高效的发挥气体阻隔与离子传导作用,且本方法操作流程简单、成本较低,有利于推动PPS隔膜在高性能碱性电解水制氢系统中的广泛应用。
Resumen de: CN120502351A
本发明公开了一种光催化纳米复合材料及其制备方法与应用,属于纳米复合材料技术领域,先合成CuInS2量子点粉末,在CuInS2量子点粉末的表面覆上一层碳,再通过硅烷偶联剂改性引入氨基,然后将改性碳复合CuInS2量子点粉末负载到管状氮化碳粉末上形成的。管状氮化碳粉末的管状结构有利于CuInS2量子点分散在其表面或内部,使CuInS2量子点粉末的活性位点充分暴露,CuInS2量子点粉末的带隙能约为1.53eV,在受到光照射时,会产生电子和空穴对,可以促进光生电子和空穴的分离从而提高催化剂的活性,而碳层致密地包覆在CuInS2量子点粉末上能形成物理屏障,阻止过氧化物与硫离子直接接触。
Resumen de: US2025266534A1
A water electrolysis system includes: a water electrolysis device including a membrane electrode assembly formed by sandwiching an electrolyte membrane between an anode and a cathode, the water electrolysis device being configured to generate oxygen gas at the anode by supplying water to the cathode and electrolyzing the water; and a water supply device configured to supply, to the anode, water generated in association with power generation of a fuel cell stack.
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: CN120505632A
本申请涉及一种使用特斯拉阀流道的无隔膜电解槽,包括有电解槽本体,所述电解槽本体的侧壁开设有进液口,所述电解槽本体的内部相对于所述进液口的位置设置有中间层流道,所述电解槽本体的内部位于所述中间层流道的两侧分别设置有阴极室和阳极室,所述阴极室与所述中间层流道相对连通,所述阳极室与所述中间层流道相对连通,所述中间层流道为单向流道。本申请具有在不使用昂贵且易污染的离子交换膜的前提下,通过合理的电解液流道和电极的设计,利用电解液的流动分隔开阳极和阴极产出的气体,从而避免因阴阳极产气混合而爆炸的风险。
Resumen de: CN120511673A
本发明公开了风光模拟绿电制氢测试平台的控制系统,包括工业网电电源,工业网电电源连接有配电系统,配电系统分别连接有风光模拟电源系统、能源管理系统、模块化整流电源系统和制氢自动控制系统,能源管理系统连接储能系统,模块化整流电源系统连接电解槽组。本发明还公开了风光模拟绿电制氢测试平台的控制方法,包括以下步骤:通过工业网电电源给配电系统、风光模拟电源系统和能源管理系统依次上电,能源管理系统进行能量调度,能源管理系统和制氢自动控制系统给模块化整流电源系统发送电源控制命令,模块化整流电源系统比对控制命令中的给定参数,根据比对结果执行相应电源控制命令。本发明可以形成多种模型的电源输入。
Resumen de: CN120508033A
本发明公开了千方级碱性水电解制氢系统远程运维平台和运维方法,包括设备层、云平台、平台层和应用层,设备层包括千方级制氢设备,千方级制氢设备中安装有监测设备运行的传感器,以及控制设备运行的PLC控制器,云平台设置有公有云或私有云,平台层设置有私有云服务器或本地服务器,应用层设置有本地显示终端和移动显示终端,云平台和平台层都部署有Web组态软件,设备层、云平台和平台层通过无线物联网络连通,云平台与本地显示终端、移动显示终端也分别通过无线物联网络连通,平台层与本地显示终端通过有线专用网络连通,PLC控制器采集传感器传递的数据信号,传递至云平台和平台层,平台层镜像还原千方级制氢电解水制氢系统的现场。
Resumen de: CN120505640A
本发明公开的具有三角形沟槽流道结构的质子交换膜电解槽,包括自上而下依次设置的阳极极板、阳极气体扩散层、膜电极、阴极气体扩散层与阴极极板,阳极极板与阳极气体扩散层之间设有阳极液体流道,阴极极板与阴极气体扩散层之间设有阴极液体流道。本发明的三角形沟槽流道结构的质子交换膜电解槽,促使反应水沿着竖直方向进入气体扩散层,提高到达催化层发生反应的液态水含量,同时减少气体扩散层中氧气的积累,提高了电解槽的产氢效率。
Resumen de: CN120505647A
本发明属于电解水制氢领域,涉及一种梯度孔结构电极及其制备方法与应用,该制备方法包括如下步骤:1)在电极基底表面依次涂敷不同粒径的聚苯乙烯,然后低温烧结将聚苯乙烯固定在电极基底表面,得到固定有聚苯乙烯分子模板的电极基底;2)采用化学镀法在固定有聚苯乙烯分子模板的电极基底表面上电镀金属镀层,得到含有金属镀层的固定有聚苯乙烯分子模板的电极基底;3)对步骤2)得到的含有金属镀层的固定有聚苯乙烯分子模板的电极基底进行去模板和去金属基底处理,得到梯度孔结构电极。本发明通过梯度孔构建了高效三相反应界面,降低气泡屏蔽效应,降低了过电位和电解水能耗,提高了电解水制氢效率。
Resumen de: US2024044285A1
The present invention relates, in general, to systems and methods for generating hydrogen from ammonia on-board vehicles, where the produced hydrogen is used as fuel source for an internal combustion engine. The present invention utilizes an electric catalyst unit operating in series with a plate-type heat exchange catalyst unit. The electric catalyst unit is used to initiate an ammonia cracking process on-board during a cold start or low load operating condition of the internal combustion engine, where the ammonia cracking process occurs in the heat exchange catalyst unit once exhaust gas from the internal combustion engine has been heated to a threshold temperature suitable to perform the ammonia cracking process.
Resumen de: CN120505667A
本发明公开的电解水制氢纯化系统及方法,包括通过氢气管路连接的气水分离器、氢气冷却器、集水器和水封,气水分离器与脱氧器相连,每个氢气冷却器上均连接有一个干燥器;脱氧器、干燥器下部分别接有温度变送器;脱氧器、干燥器内的加热部件上接有温度传感器,通过控制内加热部件温度调节加热器功率,在氢气再生管路和成品氢气管路前装有薄膜调节阀,可根据主氢气流量和系统压力调节再生氢气和系统氢气流量,节省人力的同时也能提高系统运行效率在脱氧器和干燥器接口处分别设置一路安全阀放空管线;当系统出现异常情况时,可通过安全阀管线快速排出容器中的氢气,保证整个纯化系统的安全可靠运行。
Resumen de: CN120504436A
本发明涉及富氢水机技术领域,具体为一种便于更换物理式制氢机滤芯的设备,包括机体底板、腔体、滤芯安装筒、滤芯,所述腔体内部设有五组圆形滑道,后侧中心处具有螺杆,圆形滑道中设有内推板,内推板具有五组伸出臂,每组伸出臂端部都具有伸出圆板,内推板中心具有中心孔,内推板具有五组安装孔一,每组伸出圆板都具有安装孔二,伸出圆板安装在圆形滑道内,安装孔一内分别设有传动齿轮轴,中心孔内设有驱动齿轮轴,传动齿轮轴一端具有齿轮一,另一端具有链轮一,驱动齿轮轴一端具有齿轮二,另一端具有圆形卡板,驱动齿轮轴中心处具有螺纹孔一,螺纹孔一安装在螺杆上;本发明可进行更换滤芯,保证滤芯的顺利脱离与安装。
Resumen de: CN120505651A
本发明公开的碱性电解槽用流道密封双极板,通过设置相互交错的多通道氢碱、氧碱气道孔,氢碱、氧碱气道槽,碱液阴极、阳极进液孔和的碱液阴极、阳极进液槽,可为各电解小室提供多个交错分布碱液流通分配通道,使碱液快速充满各个电解小室,确保了各处碱液浓度的均匀一致性,电解小室内的气液两相流场分布更加均匀,上升的气泡能以最快的速度在最近的出口快速排出,降低了气体集聚,消除了电解小室气体死区,降低了碱液电阻电压降,从而降低了碱性电解槽的电解能耗,提高了电解效率;同时通过设置相应流道密封结构,杜绝了各电解小室中氢气、氧气的互串,从而提高了碱性电解槽的氢气、氧气纯度,保障碱性电解槽高安全性、长寿命稳定运行。
Resumen de: CN120505656A
本发明提供了一种电解水催化剂浆料及其制备方法与膜电极及电化学装置和电解水制氢方法。该制备方法包括:将催化剂、树脂、溶剂混合,得到中间溶液;将造孔剂加入所述中间溶液中搅拌,得到电解水催化剂浆料;造孔剂包括碳材料,搅拌的转速小于等于1000转/分钟,所述搅拌的时间小于等于30min。本发明还提供了上述制备方法得到的电解水催化剂浆料,由该电解水催化剂浆料制成的膜电极,包含该膜电极的电化学装置和电解水制氢的方法。上述电解水催化剂浆料可以通过添加造孔剂获得多孔催化层、同时避免造孔剂去除过程引起的催化剂流失,提高膜电极的催化性能和耐久性。
Resumen de: CN120505653A
本发明公开了利用废金属屑制备铁基电化学催化剂的方法及电化学催化剂,具体过程为:将废金属屑进行酸浸,得到浸出液;用树脂吸附浸出液中的金属离子,得到饱和树脂;用硝酸对饱和树脂进行解吸,得到无杂溶液;在无杂溶液中加入过量的还原剂进行还原,得到固液混合物;将固液混合物进行离心分离,得到沉淀,将沉淀清洗干净、烘干,得到铁基催化剂粉末;将预处理后的泡沫镍在无杂溶液中电镀,得到催化剂基底;将铁基催化剂粉末涂覆至催化剂基底上,真空烘干,得到铁基电化学催化剂。本发明制备方法利用废金属屑作为原料,大大降低了制备成本,同时对废金属屑进行了回收利用且本发明制备得到的电催化剂在析氧反应中表现出优异的催化效果。
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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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: AU2023397261A1
The invention relates to an electrolysis system (1) with a pressure electrolyzer (3) for generating hydrogen (H
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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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: US2025250703A1
A water electrolyzer includes a water electrolysis cell, a voltage applicator, a pressure regulating valve, and a controller. The water electrolysis cell includes a diaphragm or an electrolyte membrane, an anode, and a cathode. The anode is provided in one of two spaces separated by the diaphragm, or on one of two main surfaces of the electrolyte membrane. The cathode is provided in the other one of the two spaces separated by the diaphragm, or on the other one of the two main surfaces of the electrolyte membrane. The voltage applicator applies voltage between the anode and the cathode. In start-up of the water electrolyzer, the controller controls the voltage applicator to increase current flowing through the water electrolysis cell, and then controls the pressure regulating valve to increase set pressure of the pressure regulating valve.
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: DE102024103045A1
Verfahren zur Steuerung eines Systems zur Erzeugung von grünem Wasserstoff, wobei mehrere Photovoltaikanlagen (12) und mehrere Windenergieanlagen als Stromerzeugungseinheiten zur Erzeugung von elektrischer Energie und mindestens ein Elektrolyseur zur Erzeugung von grünem Wasserstoff genutzt werden, wobei die installierte Leistung (IC) des Elektrolyseurs und aller anderen energieverbrauchenden Vorrichtungen in dem Kraftwerk kleiner ist als die Leistung der Summe der maximalen Leistung (MC) der Photovoltaikanlagen (12) und der Windenergieanlagen zusammen, mit folgenden Schritten:a) Definition eines Energiebedarfswerts (EBW) der für den Elektrolyseur und andere Verbraucher erforderlichen elektrischen Leistung, wobei EBW < IC ist;b) Überwachung der Wetterverhältnisse in der Nähe der Stromerzeugungseinheiten und in Luv der Photovoltaikanlagen (12);c) Berechnung eines erwarteten Energieertragswerts (EEW) für jeden Typ von Stromerzeugungseinheit basierend auf den Wetterverhältnissen;d) Zuweisen einer individuellen Arbeitslast für die Photovoltaikanlagen (12) und die Windenergieanlagen, die nach dem folgenden Priorisierungsschema ausgewählt wird:i. wenn der erwartete Energieertragswert EEW(PV) der Photovoltaikanlagen (12) allein ausreicht, um den Energiebedarfswert EBW zu erfüllen, werden alle Photovoltaikanlagen (12) mit Volllast betrieben und alle Windenergieanlagen im Leerlauf betrieben oder abgeschaltet;ii. Wenn der erwartete Energieertragswert EEW(PV) der Photovolt
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: 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: US2025250165A1
Processes of photocatalytically generating molecular hydrogen (H2) and systems for carrying out the processes. Liquid water is contacted with an amount of a ID and/or 2D carbon-doped nanofilament-based photocatalyst material composition and a hole scavenger chemical, optionally under an inert gas purge, at temperature of 100° C. or less, generating gaseous molecular hydrogen by irradiating the liquid water, the hole scavenger chemical, and the photocatalyst for about 1 to 300 hours with at least one sun illumination (UV-Vis light (250-650 nm)).
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: 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: 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: 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: 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: 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: WO2025162959A1
The disclosure refers to a computer-implemented method for heating up electrolytic units. The method comprises determining whether some electrolytic units of an electrolysis plant require heating up to have them at a temperature within a predetermined range in a future time span; controlling the electrolytic units to power them up based on first electric power available in a current time span; heating up the electrolytic units to have them at the temperature within the predetermined range in the at least one future time span; and repeating the steps such that the heating up is determined for one or more time spans that occur at the same time and/or later than the future time span, thereby repeatedly controlling the temperature of the electrolytic units to be at a temperature within the predetermined range in the future time spans.
Resumen de: WO2025162752A1
A method is disclosed for producing an electrode (4) having a noble metal catalyst for alkaline water electrolysis. The method comprises: (S1) providing the electrode substrate (1); (S2) providing a matrix material (2) and a catalyst material (3) as starting materials for the coating; (S3) mixing the matrix material (2) and the catalyst material (3); and, (S4) coating the substrate (1) with the mixture of matrix material (2) and catalyst material (3) by means of high-velocity oxygen fuel spraying (HVOF). A correspondingly produced electrode (4), an electrochemical cell (10) comprising said electrode, and an electrolyser (20) are also specified.
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: 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: 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: 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: 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: 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: 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: 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: EP4596759A1
In order to improve robustness of a water electrolysis system, there is provided an insulating piping configured by a double tube including an inner tube (130) that connects a water electrolysis stack and an auxiliary machine and through which a fluid flows, and an outer tube (12) provided on an outer side of the inner tube (130) via the inner tube (130) and an outer tube inner space (14); in which the outer tube (12) has an insulating property, the water electrolysis stack and the auxiliary machine are insulated from each other in the inner tube (130), and a dry gas (13) having a humidity of less than or equal to a predetermined value is enclosed in an outer tube inner space (14) that is the space at a pressure of the fluid flowing inside the inner tube (130) and a pressure higher than an atmospheric pressure.
Resumen de: EP4596760A1
The disclosure refers to a computer-implemented method for heating up electrolytic units. The method comprises determining whether some electrolytic units of an electrolysis plant require heating up to have them at a temperature within a predetermined range in a future time span; controlling the electrolytic units to power them up based on first electric power available in a current time span; heating up the electrolytic units to have them at the temperature within the predetermined range in the at least one future time span; and repeating the steps such that the heating up is determined for one or more time spans that occur at the same time and/or later than the future time span, thereby repeatedly controlling the temperature of the electrolytic units to be at a temperature within the predetermined range in the future time spans.
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: 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: 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: JP2024102507A
To provide a water electrolysis stack capable of improving durability.SOLUTION: A water electrolysis stack has a cell laminate in which a plurality of water electrolysis cells are laminated. In the cell laminate, inter-cell regions are formed in adjacent water electrolysis cells, and gas flows in the inter-cell regions during water electrolysis.SELECTED DRAWING: Figure 6
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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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: DE102024200876A1
Es wird ein Verfahren zur Herstellung einer Elektrode (4) mit einem Edelmetall-Katalysator für die alkalische Wasserelektrolyse angegeben. Das Verfahren umfasst, (S1), das Bereitstellen des Elektrodensubstrates (1), (S2), das Bereitstellen eines Matrixmaterials (2) und eines Katalysatormaterial (3) als Ausgangsmaterialien für die Beschichtung, (S3), das Vermischen des Matrixmaterials (2) und des Katalysatormaterials (3), und in (S4) Beschichten des Substrates (1) mit dem Gemisch aus Matrixmaterial (2) und Katalysatormaterial (3) mittels Hochgeschwindigkeitsflammspritzens (HVOF). Weiterhin werden eine entsprechend hergestellte Elektrode (4), eine diese Elektrode umfassende elektrochemische Zelle (10) und ein Elektrolyseur (20) angegeben.
Resumen de: DE102024102758A1
Elektrolysevorrichtung (10) zur Erzeugung von Wasserstoff aus Wasser mit Hilfe von elektrischem Strom, mit einem Zellstapel (11) aus mehreren als Elektrolysezellen ausgebildeten Zellstapelelementen (12), mit einem ersten Drucksensor (28) zur Erfassung eines ersten wasserstoffseitigen Drucks, mit einem zweiten Drucksensor (29) zur Erfassung eines zweiten wasserstoffseitigen Drucks, und mit einem Steuergerät (30), welches abhängig von dem vom ersten Drucksensor (28) gemessenen ersten Druck, abhängig von dem vom zweiten Drucksensor (29) gemessenen zweiten Druck und abhängig von dem an die Elektrolysevorrichtung (10) zur Elektrolyse angelegten elektrischen Strom überprüft, ob die Elektrolysevorrichtung (10) eine Undichtigkeit aufweist.
Resumen de: DE102024102527A1
System aus mehreren in einem Gestell oder Regal (19) aufgenommenen Elektrolysevorrichtungen (10) zur Erzeugung von Wasserstoff aus Wasser mit Hilfe von elektrischem Strom, wobei jede Elektrolysevorrichtung (10) zumindest folgendes aufweist: einen Zellstapel (11) aus mehreren als Elektrolysezellen ausgebildeten Zellstapelelementen (12); sich gegenüberliegende Endplatten (14, 15), wobei der Zellstapel (11) aus den Zellstapelelementen (12) zwischen den Endplatten (14, 15) ange-ordnet und verpresst ist; mindestens einen an den Endplatten (14, 15) ausgebildeten Wasserzuleitungsanschluss (16), über welchen der jeweiligen Elektrolysevorrichtung (10) Wasser zuführbar ist, und mindestens einen an den Endplatten (14, 15) ausgebildeten Wasserableitungsanschluss (17), über welchen von der jeweiligen Elektrolysevorrichtung (10) Wasser und Sauerstoff abführbar ist. Am Gestell oder Regal (19) und/oder im Gestell oder Regal (19) und/oder in unmittelbarer Nähe zum Gestell oder Regal (19) ist mindestens ein Vorabscheider (20) für Sauerstoff verbaut, um aus dem von den Elektrolysevorrichtungen (10) abgeführten Wasser Sauerstoff abzuscheiden.
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: 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: WO2025158319A1
A method and an apparatus for a cooling of an electroyzer unit is described. The apparatus receives a temperature value associated with ambient air in proximal to the electrolyzer unit. The apparatus compares the temperature value with a predefined temperature threshold. The apparatus controls a supply of a liquid air stream from an air separation unit to a first heat exchanger unit based on the comparison. The apparatus control the first heat exchanger unit to mix the liquid air stream with the ambient air. The mixing of the liquid air stream and the ambient air causes transfer of heat therebetween. The apparatus controls a cooling of the electrolyzer unit based on the mixing.
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: 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: 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: 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: WO2025157768A1
The invention relates to a facility (1) for producing dihydrogen, the facility comprising a water purification device (2), a heating device (3) for converting the purified water into steam, and an electrolyser (4) configured to produce at least one stream of dihydrogen from the steam. The heating device (3) is preferably configured to recover waste heat. The invention also relates to a corresponding method.
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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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: FR3158519A1
Installation (1) de production de dihydrogène comprenant un dispositif (2) de purification d’eau, un dispositif (3) de chauffage de l’eau ainsi purifiée pour former de la vapeur d’eau et un électrolyseur (4) configuré pour former au moins un flux de dihydrogène à partir de la vapeur d’eau. Le dispositif de chauffage (3) étant de préférence configuré pour récupérer de la chaleur fatale. Procédé correspondant. Figure pour l’abrégé : Fig. 1
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: 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: 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: 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: WO2025154357A1
This electrolysis cell comprises: an ion exchange membrane; a power feeder which is provided on the surface of the ion exchange membrane and composed of a plurality of fibers formed in a sheet shape; a binder layer that covers the surface of each of the fibers; and an electrode catalyst layer that contains catalyst particles at least partially protruding from the surface of the binder layer. At least a part of the catalyst particles protrudes from the surface of the binder layer. Consequently, the surface area of the exposed portion of the catalyst particles is increased, and thus the contact area with an electrolyte can be increased.
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: US2025236968A1
A method and an apparatus for a cooling of an electroyzer unit is described. The apparatus receives a temperature value associated with ambient air in proximal to the electrolyzer unit. The apparatus compares the temperature value with a predefined temperature threshold. The apparatus controls a supply of a liquid air stream from an air separation unit to a first heat exchanger unit based on the comparison. The apparatus control the first heat exchanger unit to mix the liquid air stream with the ambient air. The mixing of the liquid air stream and the ambient air causes transfer of heat therebetween. The apparatus controls a cooling of the electrolyzer unit based on the mixing.
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: 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: 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: 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: 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: 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: 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: AU2023405114A1
The invention relates to an electrolysis system (1) comprising an electrolyser (3) for producing hydrogen (H
Resumen de: JP2022111667A
To provide an intermediate for producing a dissimilar-metal doped cerium oxide, a method for producing the same, and a dissimilar-metal doped cerium oxide using the same, wherein the dissimilar-metal doped cerium oxide is excellent in uniformity of particle size distribution of a dissimilar-metal doped cerium oxide, and improves productivity by increasing a yield, and is excellent in flowability and can improve productivity and reaction efficiency when used as a catalyst.SOLUTION: An intermediate for producing a dissimilar-metal doped cerium oxide has a water content of 7.0 wt.% or less, wherein dissimilar metal is one or two or more metal selected from the group consisting of manganese, cobalt, iron and nickel.SELECTED DRAWING: None
Resumen de: EP4588562A1
An ammonia dehydrogenation catalyst, a method for producing same, and a method for producing hydrogen using same are disclosed. The disclosed ammonia dehydrogenation catalyst comprises: a zeolite having an intracrystalline cation; and an alkali metal and ruthenium impregnated on the zeolite.
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: EP4589054A1
An object of the present invention is to provide a polymer electrolyte membrane with excellent low gas permeability and chemical durability and to provide a membrane electrode assembly, a method for producing a membrane electrode assembly and a water electrolyzer. The polymer electrolyte membrane of the present invention includes a fluorinated polymer having ion exchange groups, a platinum-containing material, cerium oxide and a woven fabric.
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: 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: 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: 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: 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: 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: 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: 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: AU2023397261A1
The invention relates to an electrolysis system (1) with a pressure electrolyzer (3) for generating hydrogen (H
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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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: CN120311209A
本公开涉及一种双极板、制氢电解槽及制氢设备。其中,双极板包括相对设置的第一极板和第二极板以及围绕所述第一极板和第二极板边缘设置的极框,所述第一极板、第二极板和极框围成中空的内腔,用于容纳电解液;所述第一极板及第二极板上设置有多个喷淋孔,该多个喷淋孔与所述内腔连通,用于喷出所述内腔中的电解液;所述极框上设置有第一进液口和第一排气口,所述第一进液口与所述内腔连通,用于向所述内腔中通入电解液,所述第一排气口用于排出电解产生的气体。应用本公开双极板的制氢设备无需设置气液分离装置,从而节约制氢设备的制造成本,并降低制氢生产的准入门槛。
Resumen de: CN120311243A
本发明涉及电催化技术领域,提出了一种金属含氧酸盐覆盖镍铁层状双氢氧化物材料及其制备方法和应用。所述材料是以NiFe‑LDH为核,纳米MIL‑101(M)为壳的核壳结构,M为Cr、Mo、W和V中的至少一种。本发明通过原位重构MOF形成金属含氧酸盐(MO42‑)覆盖层,该覆盖层能够优先富集海水中的Cl‑,有效改变表面竞争吸附行为,MOF多孔结构使得OH‑更有效地吸附到NiFe‑LDH活性层表面上,从而增强了OER的选择性和抗Cl‑引起的腐蚀性,显著提升了催化剂在电解海水制氢过程中的稳定性和活性。本发明不仅保持了NiFe‑LDH的高催化活性,还有效地排斥了海水中的氯离子,稳定了NiFe‑LDH阳极海水氧化,在电解海水可持续制氢方面展现出实际应用潜力。
Resumen de: CN120311237A
本发明涉及催化剂加工技术领域,公开了一种高活性过渡金属磷化物电解水催化剂及其制备方法,所述一种高活性过渡金属磷化物电解水催化剂包括以下重量份数的组份:六水合二氯化钴:1‑3份;三氯化钌:0.5‑1.5份;氯化铱(Ⅲ)水合物:0.5‑1.5份;五水硫酸铜:1‑2份;次磷酸钠:2‑4份;尿素:1‑2份;葡萄糖:1‑2份;九水硫化钠:1‑2份;结晶氯化铝:0.5‑1份;去离子水:50‑100份;十六烷基三甲基溴化铵:0.1‑0.5份。本发明通过引入等离子体辅助处理技术,优化催化剂的电子结构,提高了其电导率和稳定性,增强了电解水制氢的效率和耐久性。
Resumen de: CN120311238A
本发明提供了一种铁掺杂镍钴纳米材料的制备方法,包括以下步骤,首先将镍源、铁源、钴源和溶剂混合后,得到混合溶液;将还原剂和碱性溶液分散混合后,得到还原剂溶液;然后在保护性气氛和/或还原性气氛下,将上述步骤得到的混合溶液和还原剂溶液再次混合后,进行低温反应,得到铁掺杂镍钴纳米材料。本发明合成方法简单,产量高,制备过程绿色无污染,通过调整掺杂Fe的含量可以优化催化剂的OER活性,并且在器件上表现出了极佳的催化性能,具有广阔的应用前景。
Resumen de: CN120311235A
本发明公开了一种高效电解水阳极材料的制备方法,具体地,公开了一种三元催化剂的制备方法,该方法包括S1:去除商用泡沫镍表面的有机杂质及氧化层,得到处理后泡沫镍;S2:将所述处理后泡沫镍在反应液中进行水热反应,得到所述三元催化剂;所述反应液包含Fe3+、Zn2+、OH‑以及CO32‑;所述水热反应是在温度为120℃中进行12小时进行的。该方法高效、低成本、且易大面积获取三元催化剂。
Resumen de: CN120305985A
本发明属于光催化技术领域,特别涉及一种高度结晶硫化镉光催化剂的制备方法和应用;该制备方法通过将镉源、硫源分别加入到碱性水溶液中搅拌得到前驱液,再将前驱液保温、离心、干燥后得到硫化镉前体,然后对硫化镉前体与熔盐混合后煅烧,最后经洗涤、离心、干燥后得到硫化镉光催化剂;该制备过程操作简单、可控性强、原料廉价,能够解决现有技术制备CdS基光催化剂中存在制备工艺复杂、成本高、难以批量生产等问题;该方法制得的硫化镉光催化剂结晶度极高、光催化性能优异,能够广泛应用于光催化分解水制氢、人工光合成和有机物降解等领域。
Resumen de: CN120309029A
本发明提供了一种高分散性IrO2催化剂及其制备方法和应用,与现有技术相比,本发明通过盐酸多巴胺与铱离子的先络合再聚合,制备出具有类似蛙卵形态的单颗粒聚集态单质铱/聚多巴胺前驱体,并后经过过滤、干燥、研磨、煅烧和清洗等步骤,最终得到高分散性的IrO2催化剂。该催化剂在PEM电解水应用中具有极佳的性能,能够在60℃、1A/cm2电流密度下实现1.688V以下的电压。另外,本方法通过盐酸多巴胺络合铱离子的聚合,解决了传统单质铱颗粒无法沉淀的问题。
Resumen de: CN120311207A
本发明涉及电解制氢技术领域,具体的是一种恒温高效氢气电解制备装置,包括包括电解池,电解池中部固定安装有安装架,安装架两侧设有隔膜,隔膜将电解池分隔成阳极和阴极安装架顶部设有密封板,本发明通过搅拌叶转动时能够对电解池内的添加剂进行充分搅拌,利用对添加剂的投放,同步实现对电解池内的电解液的搅拌,两个密封板与电解池形成的空间分别是阴极和阳极,阳极与阴极分别产生的氧气和氢气,通过对其内部连通的对应的收集管进行排放收集,本发明相较于现有装置,能够在对电解池内温度过高时通过将外部的气体注入,内部的气体排出,在实现热交换降温的同时,还能对其内部进行电解液的补充,通过补充电解液进一步辅助对电解池内的降温。
Resumen de: CN120311249A
本发明公开了一种电制氢装置对电网扰动事件进行频率响应的方法,属于制氢技术领域,通过利用电解槽频率响应控制量调节电解槽电流以控制电解槽的频率响应出力;利用电解槽运行温度信号和电解槽电流信号控制温控辅机的频率响应出力;最后利用电解槽的频率响应出力和温控辅机的频率响应出力控制电制氢装置出力对扰动事件进行频率响应。本发明需要通过控制温控辅机调节温度,基于电解槽电热特性的电解槽电解电压相应改变,进而促使电解电流相应回归设定值,实现频率控制代价的降低;由此解决现有技术中电制氢装置参与电网频率控制往往会对制氢生产计划产生影响的技术问题,促进电制氢负荷参与电力系统调频的积极性。
Resumen de: CN120305975A
本发明属于催化剂技术领域,公开了一种自燃法合成的非贵金属氨分解催化剂及其制备方法。本发明的非贵金属氨分解催化剂的化学式为AB1‑xB’xO3‑δ;其中,0.5≤x≤0.9;δ表示氧缺陷;A元素包括La、Sr、Ba、Pr、Ca中的一种;B元素包括Zr、Ce、Y、Yb、Cr、Mn、Mg中的一种或几种;B’元素包括Fe、Co、Ni中的一种或两种。本发明的非贵金属氨分解催化剂具有优异的催化活性和长期稳定性,在600℃、空速为18000mL/(g·h)条件下,氨分解率可高达96.8%,而且该非贵金属氨分解催化剂在室温下放置了5个月之后,经过100h稳定性测试,氨分解率能够保持在90%以上。
Resumen de: CN120311198A
本发明公开了一种电化学解耦式硫化氢废气处理电解制氢方法及系统,属于电解制氢领域,将有机电化学质子耦合电子转移(PCET)反应引入解耦式硫化氢辅助电解制氢过程中,利用有机质电耦合剂分子作为载体促进质子电子协同传递,实现高效H2S氧化;其中,被电化学氧化的有机质电耦合剂通过循环运移至外部反应器内,与含硫废气中的H2S在催化剂表面发生化学还原再生,实现PCET反应物的可逆循环,同时,H2S在此过程中被氧化,生成硫磺。本发明构造了以仿生质子耦合电子转移反应驱动H2S化学氧化协同电解制氢为基本原理的一种低能耗、高效稳定的H2S氧化电解制氢新工艺路线,为化工行业提供了一种持续产硫同时制取氢气的新方案。
Resumen de: CN120311231A
本发明提供了一种高均匀性铂碳催化剂及其制备方法和应用,将纳米碳载体分散在乙二醇溶液中,加入盐酸多巴胺和铂源,升温反应后过滤、干燥,再在氢氩混合气中煅烧,最后用去离子水清洗、研磨并干燥得到产品。与现有技术相比,本发明利用盐酸多巴胺与铂离子络合,在纳米碳载体表面均匀生成含有铂元素的聚多巴胺;通过在氢氩混合气中煅烧,最终获得铂碳催化剂材料,由于聚多巴胺形成的碳层将铂颗粒牢固束缚在碳材料的表面,并且减少了铂碳的界面阻抗,极大提升了材料的性能。本发明的铂碳催化剂在PEM电解水催化剂应用中表现出极佳的性能,电压低至1.65V,且成本较低。
Resumen de: CN120311240A
本发明公开了一种具有高活性且宽pH电解水制氢性能的铂/氮化钨异质结碳纳米花电催化剂的制备方法,属于新能源材料技术领域。本发明以一种金属‑有机复合物作为前驱体,通过一步热解法合成了铂/氮化钨异质结构,并将其均匀嵌入导电碳纳米花基质的纳米片层表面。Pt‑W2N@C具有优异的电催化析氢性能,在酸性、碱性和中性电解质中均表现出超低的过电位,甚至在高电流密度下的电化学性能显著优于商业铂碳催化剂,同时在长时间稳定性测试中表现出良好的耐久性,为低铂负载HER电催化剂的设计与开发提供了新的思路。
Resumen de: CN120306008A
本发明公开了一种N掺杂ZnCdS光解水析氢催化剂制备方法和应用,属于光催化剂制备技术领域,其将无机锌盐、无机镉盐、有机硫源、有机氮源和去离子水配置成反应液,将反应液转移至反应釜中,在180‑220℃溶剂热反应18‑24h,热处理结束后待完全反应釜冷却至室温,然后将产物洗涤,离心、烘干得到所述N掺杂ZnCdS。本发明以有机氮源作为N源和控制ZnCdS颗粒生长的封端剂,实现了同时调控催化剂的形貌调控和N的掺杂。本发明催化剂能够有效提升光解水析氢能力,4h平均析氢速率达115.7mmol/g/h,并且循环稳定性强,具有一定的研究和经济价值。
Resumen de: CN120305999A
本申请公开了一种保留催化剂表面缺陷的单原子催化剂及其制备方法、应用,属于催化领域。所述单原子催化剂包括活性金属组分、掺杂元素和载体;所述载体为富含表面缺陷的半导体材料。制备方法采用光诱导迁移‑转化策略。该制备方法获得的保留了半导体材料表面缺陷的单原子催化剂应用于光催化、热催化和电催化领域中,并表现出优异的性能。
Resumen de: CN120311242A
本发明涉及催化材料制备技术领域,尤其涉及一种非晶态/晶态异质结材料及其制备方法和应用。所述非晶态/晶态异质结材料包括泡沫镍基底和负载在所述泡沫镍基底表面的异质结构膜;所述异质结构膜包括非晶态硫化物和晶态氢氧化物;所述非晶态硫化物包括Fe掺杂的NiS;所述晶态氢氧化物包括氢氧化镍。本发明提供的非晶态/晶态异质结材料成本低,且作为自支撑电催化剂具有优异的HER和OER催化活性以及稳定性。本发明通过强磁场调控刻蚀动力学过程,在基底表面原位构筑非晶态硫化物与晶态氢氧化物的异质结构。本发明突破性地实现了磁场诱导下非晶相形成与晶态氢氧化物自组装的一步法同步构建,工艺简捷、易于规模化生产。
Resumen de: CN120311241A
本发明涉及碱性电解水领域,具体是一种电解水催化剂及其制备方法和应用。本发明提供的电解水催化剂实现了碱金属的成功掺杂,替换非铂金属团簇表面的原子同时并未改变团簇大小,实现了碱性析氢性能的提升,具体是通过碱金属掺杂非Pt金属团簇,调控催化剂表面微环境,利用碱金属离子与界面水更强的相互作用,促进水解离从而促进了碱性析氢动力学的提升,实现了大电流下的长期稳定运行。本发明采用后吸附和一步热解的方法在氮掺杂碳材料上成功负载了非铂金属团簇,降低金属载量,提供了一种经济有效AEMWE催化剂的制备方法,并且在碱性AEM电解池中展示了低槽压下的大电流、稳定的电解水性能。
Resumen de: CN120311233A
本发明提供了一种负载型铂碳纳米材料的制备方法,包括以下步骤,首先将铂源、碳源和溶剂混合后,得到前驱体混合溶液;然后将上述步骤得到的前驱体混合溶液经过干燥和研磨后,得到粉末;最后在保护性气氛和/或还原性气氛下,将上述步骤得到的粉末,进行退火,得到负载型铂碳纳米材料。本发明合成方法简单,产量高,制备过程绿色无污染,对环境友好,得到的催化剂Pt粒径小并在碳载体上高度均匀分散,所以具有很高的活性位点密度,在电解水过程中展现了优异的催化活性,远高于商业Pt/C,为电解水制氢大规模生产阴极催化剂提供了一种新的可能性,具有广阔的应用前景。
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: 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: CN120311230A
本发明提供一种通过原位电沉积制备的非贵金属PEM催化剂。本发明将硝酸镍、硝酸钴及M盐溶液混合,利用电沉积法制备负载在镀铂钛毡上的镍钴钨前驱体,将前驱体在空气氛围煅烧,即得。本发明掺杂镍元素形成NiCo2O4催化剂,通过镍的溶出调控钴的价态,提升反应活性,并提高催化剂的催化性能。进一步掺杂M元素形成M‑NiCo2O4催化剂,通过M元素抑制高价钴的进一步过渡氧化和溶解,确保高活性状态的维持,从而提高催化剂的耐酸稳定性,解决了NiCo2O4催化剂在酸性OER中具有稳定性不足的问题;同时,M元素的掺杂还可以进一步提升催化剂的催化性能。本发明工艺程序简单,成本低,可大规模制备。
Resumen de: CN120308921A
本发明提供一种氮气发生器电解池及其活化方法,该活化方法为对氮气发生器电解池进行活化,本申请通过利用恒压活化处理,不仅使膜充分活化,而且自外而内(气体经流道‑气体扩散层进入内部的催化层参与反应)打通气体传输通道。在S4中在停止通入空气并进行析氢活化处理,此时的氮气发生器电解池变为水电解池,阴极由产氮变为产氢,氢气不仅能够还原阴极被氧化的催化剂,使催化剂活性增加,而且自内而外打通气体传输通道。由此,本申请通过搭配恒压活化处理和析氢活化处理,能够从不同的方向打通气体传输通道,从而显著降低活化的时间,使活化时间由原来的几十小时缩短至数小时,大幅提高了生产效率降低了生产成本。
Resumen de: AU2023389305A1
The present invention relates to an alkaline anion exchange membrane precursor (pAAEM) comprising a blend of at least one first polymer (P1) comprising repeating units derived from acrylonitrile and at least one second polymer (P2) comprising repeating units derived from a vinyl lactam, and an alkaline anion exchange membrane (AAEM) obtained therefrom.
Resumen de: CN120311211A
本发明涉及一种高效节能型碱液电解制氢系统,包括电解槽、换热器和相变储能装置,电解槽上设置有气体管路、碱液出口和碱液进口,换热器包括水循环模块和碱液循环模块,碱液循环模块串联设置在碱液出口和碱液进口之间,水循环模块通过循环水管路串联在相变储能装置的进水口和出水口之间,气体管路内和循环水管路内均设置有桨叶转子,并且两个管路内的桨叶转子传动连接。本发明利用换热器将制氢过程中产生的热量置换走并储存在相变储能装置中,当电解槽处于冷态启动时,产氢速率缓慢,相变储能装置释放存储的热量,将热量传递给碱液,实现高效预热;利用气体的流动压力,将气压能量传递至循环水管路内,促进水流速率加快,提高换热效率和系统能效。
Resumen de: CN120311220A
本发明属于电解水制氢领域,尤其涉及一种膜电极及其刮涂制备方法和应用。本发明提供的刮涂制备方法包括以下步骤:a)将刮涂基底压至一定厚度,得到压后基底;步骤a)中,所述刮涂基底为镍泡沫、镍毡或碳纸;b)利用刮涂机将催化剂浆料刮涂到所述压后基底的表面,干燥,热压,得到膜电极;步骤b)中,所述催化剂浆料中的催化剂粉末和粘结剂的合计质量与溶剂质量的比为1:(2~4);所述刮涂机的刮刀与压后基底的间距为10~200μm;所述刮涂的速度为1~30mm/s;所述干燥的温度为50~90℃。本发明采用特定条件下的刮涂工艺制备膜电极,具有催化层涂覆均匀性好、生产效率高等优点,特别适合大面积膜电极的规模化生产。
Resumen de: CN120311205A
本发明公开一种多通道电解制氢测试装置及方法,该装置的每个测试通道包括可组合式机架、电解槽、集成式气液分离罐、循环泵、管路、阀门、加热与温控组件、补水组件;集成式气液分离罐为一个内部结构为四室分隔的气液分离器,包含第一室氧气‑阳极液分离室,第二室阳极液汇流室,第三室氢气‑阴极液分离室,第四室阴极液汇流室;各通道的机架采用组合式结构,可在上下左右前后维度进行组合形成多通道测试装置,每个通道既可以同时工作,也可以独立工作,便于安装和维修。上位机控制多通道电源和恒流泵分别给各通道的电解槽供电和补水。该多通道电解制氢测试装置及方法大大提高了电解制氢测试适用性和效率。
Resumen de: CN120309003A
本发明公开了一种一锅法合成规则花球状纳米硫铟镁的方法,涉及无机合成技术领域;具体包括以下步骤:S1:将镁源、铟源、聚乙烯吡咯烷酮在去离子水中分散均匀,得到镁铟溶液;S2:将半胱氨酸加入到铟镁溶液中,搅拌,得到前驱体溶液;S3:将前驱体溶液转移至高压反应釜中加热反应,后处理,得到花球状纳米硫铟镁;本发明制备的纳米硫铟镁具有规则的花球状形貌,且球体粒径低至800nm,具有优秀的光催化活性。
Resumen de: CN120311247A
本申请涉及电解器领域,具体公开了一种膜电极器件水管理方法,其包括以下步骤:向MEA电解器的阳极加入大尺寸有机阳离子溶液,所述大尺寸有机阳离子的尺寸大于MEA电解器中膜电极组件的孔隙;在所述大尺寸有机阳离子的渗透压作用以及通电条件下,所述大尺寸有机阳离子向阴极方向定向迁移并在膜电极组件的阳极侧表面聚集,导致膜电极组件的阳极侧疏水,从而减少水由阳极至阴极的跨膜传输通量,进而抑制阴极的竞争性析氢反应。本申请能够实时调控MEA电解器中水由阳极至阴极的跨膜传输通量,从而抑制阴极的竞争性析氢反应,不需要额外的装置,操作简单,为MEA电解器的水管理提供了新思路。
Resumen de: CN120311218A
本发明涉及电解水制氢的技术领域,提供一种宽幅调节的碱性电解槽、制氢系统及控制方法,碱性电解槽包括:电解槽本体;所述电解槽本体包括有多个电解小室,所述电解槽本体内设置有氧侧流道,多个所述电解小室的阳极侧均与所述氧侧流道连接;所述电解槽本体内还设置有稀释气流道,所述稀释气流道的出口与所述氧侧流道连接,入口适用于连接稀释气源,所述稀释气源适用于提供非可燃的稀释气。如此设置,能从根本上解决电解槽生产安全性的问题,电解槽可在全负荷范围内安全稳定生产,使其能更加充分地适应可再生能源出力的宽幅波动,大幅提高了可再生能源发电的有效利用率,同时避免了因电解槽频繁启停导致的寿命低、可靠性差等问题。
Resumen de: CN120311227A
本发明提供了一种低载量负载型TiO2@IrO2催化剂及其制备方法和应用,先将TiO2分散于乙二醇溶液中,随后通过加入盐酸多巴胺与铱原料反应,生成稳定的含铱离子的聚多巴胺包覆层。该包覆层通过高温煅烧后转化为均匀的IrO2层,由于其完全均匀的负载在纳米级TiO2表面,因此有效提高了催化性能。该催化剂在电解水反应中表现出优异性能,如在60℃和1A/cm2电流密度下电压仅为1.65V,极小的功耗大大提升了其工业应用潜力。且能够高效使用IrO2,显著降低贵金属的使用量,降低成本,更经济,适合工业生产。
Resumen de: CN120305963A
本发明提供了一种长效性且低成本氨分解制氢Ru基催化剂及其制备方法,该制备方法是先将钙盐或锶盐与六水合硝酸铈加入去离子水中配置为混合溶液并调节其pH值,再经封闭加热处理得到沉淀物,依次经焙烧、研磨,制备得到载体粉末,加入适量钌盐搅拌均匀形成Ru‑载体分散液,最后再依次经焙烧、研磨,即得氨分解制氢Ru基催化剂。该催化剂低于常规Ru负载量,可在10%NH3/Ar质量空速(GHSV)为30000ml/(gcat·h)且450℃低温条件下,表现出良好的氨分解产氢性能,且意外发现该催化剂能够保持至少100小时以上的长期稳定性,同时其较为简易的合成方法适用于工业化大规模生产。
Resumen de: CN120311163A
本发明提供了一种硫化钼‑氮化钼异质结及其制备方法与应用,所述制备方法包括如下步骤:采用化学气相沉积法生长硫化钼,得到多层硫化钼,其中,所述多层硫化钼的层数为至少两层;将所述多层硫化钼与氮源一同进行加热氮化,得到所述硫化钼‑氮化钼异质结。本发明所述制备方法通过采用多层硫化钼为前驱体进行高温氮化,能够精确调控异质结的形成过程,对微观异质结界面处的催化活性进行准确测试,同时能够提升硫化钼‑氮化钼异质结的催化性能。
Resumen de: CN120305892A
本公开内容提供一种产气模块,包含筒状容器、吸水件、复数个多孔载体及反应物。其中,吸水件及复数个多孔载体皆设置于筒状容器内,而反应剂则设置于复数个多孔载体的微孔上,其中吸水件的一部份自筒状容器的开口端凸出。本公开内容亦提供一种口腔气体治疗装置,包含中空本体,以及与中空本体可拆卸地耦接的产气模块。中空本体包含咬合部以及延伸部,借由延伸部与产气模块耦接以形成气体通道,使气体进入使用者的口腔。
Resumen de: CN120311210A
本公开涉及一种双极板、制氢电解槽及制氢设备,其中双极板包括相对设置的第一极板、第二极板、极框及隔板,第一极板、第二极板和极框围成中空的内腔;隔板与极框固定连接,将内腔分为第一腔室和第二腔室;第一极板及第二极板上设置有多个喷淋孔,多个喷淋孔与内腔连通;极框上设置有进液口和排气口,进液口与第一腔室以及第二腔室连通,用于向内腔中通入电解液,排气口用于排出电解产生的气体。应用本公开的双极板的电解槽相较于传统的电解槽,能够加快电解液充满电解小室的速度,保证电解液在电解小室中的流场和温度场的均匀性,进而能够提高电解效率以及减少相关对于电解液流场的精确计算,缩减制造成本。
Resumen de: CN120311214A
本发明提供一种碱性‑PEM混合制氢系统的热管理系统及热管理方法,包括碱性电解水制氢系统、PEM电解水制氢系统和耦合单元;碱性电解水制氢系统通过第一加热器为碱性电解槽提供第一热量以使碱性电解水制氢系统升温至第一设定温度时进行电解水制氢;PEM电解水制氢系统通过第二加热器为PEM电解槽提供第二热量以使PEM电解水制氢系统升温至第二设定温度时进行电解水制氢;在一定工况下,控制耦合单元工作以将碱性电解水制氢系统和PEM电解水制氢系统同时由内循环工作模式切换至外循环工作模式以进行辅助供热。本发明基于对耦合单元的控制使碱性电解水制氢系统和PEM电解水制氢系统工作在内循环工作模式或外循环工作模式,从而实现内外双循环热管理的快速冷启动。
Resumen de: CN120311245A
本发明公开了一种高性能镍基催化剂及其制备方法和在工业级海水电解中的应用。一种高性能镍基催化剂的制备方法,包括如下步骤:将预处理后的自支撑镍基金属材料置入含有杂多酸、铁盐及钴盐的混合水溶液中浸泡反应,反应完成后,经洗涤干燥,得到所述的高性能镍基催化剂。本发明提出的镍基催化剂中微量铁钴元素的掺杂及杂多酸在碱性电解质中的浸出再吸附促进了镍基底表面快速重构,并增强了抵抗海水氯离子腐蚀及抗其它杂质毒化的性能,进而提高碱性海水环境中催化剂在大电流密度下的稳定性。
Resumen de: CN120309848A
本发明公开了一种具有bcu拓扑网络结构的金属卟啉多孔电催化材料及其制备方法与电催化析氧的应用;本发明采用具有八个连接节点的四棱柱状芘基骨架分子和八个连接节点的四棱柱状卟啉类骨架分子,通过8+8亚胺缩合得到有序且扩展的二重互穿三维bcu拓扑网络框架材料,进一步通过金属离子后修饰,实现卟啉单元的金属化,得到金属卟啉多孔电催化材料;该材料作为非均相催化剂具有更优异的传质效率和更多可及的催化位点,在催化领域应用前景广泛,尤其在电催化析氧反应中具有理想的催化效果;#imgabs0#
Resumen de: CN120311229A
本发明属于无机先进纳米材料技术领域,具体涉及一种铌离子掺杂的水滑石纳米材料及其制备与电催化碱性水析氧的方法。所述铌离子掺杂的水滑石纳米材料包含:导电基底、生长在所述导电基底表面的水滑石纳米材料和掺杂在所述水滑石纳米材料晶格中的铌离子。本发明首次应用铌离子掺杂水滑石材料作为电催化碱性水反应的阳极催化剂,由于铌原子能吸引镍原子周围的电子,促使镍原子在反应后处于一个更高的能量态,提升碱性水析氧反应的活性,同时铌的掺杂能使水滑石材料在析氧反应过程中更早更快的重构,提高析氧反应的发生速率。
Nº publicación: CN120311228A 15/07/2025
Solicitante:
华中科技大学
Resumen de: CN120311228A
本发明提供一种Cox‑N‑MoO2催化材料及其制备方法和应用。所述方法包括:1)将三氧化钼和碳酸钴置于玛瑙研钵中研磨至混合均匀,直至呈现淡粉色粉末;2)将所述粉末置于石英管中,在NH3氛围下进行热处理;3)将粉末样置于去离子水中反复清洗,随后干燥,得到Co‑N‑MoO2得到催化材料。本发明通过简单热氮法,通过改变反应的气氛,钴源的掺杂量,探究反应气氛、反应温度以及钴掺杂量对催化材料活性的影响,从而选取最佳反应条件。钴的掺杂能够有效降低水解离的反应能垒;同时结合氮的掺杂,N和Co的协同耦合效应对MoO2中的Mo的电子态进行调控,提升了催化材料的析氢反应活性及其在大电流密度下的长效稳定性,在碱性环境下具有重要的应用前景。