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电解槽系统中的气体压力平衡方法和具有压力平衡阀系统的电解槽系统

Resumen de: AU2024224224A1

In a gas pressure balance method in an electrolyser system a predefined pressure difference between pressures in an oxygen gas separation tank and a hydrogen gas separation tank is maintained by controlled release of gases through an oxygen back pressure valve and a hydrogen back pressure valve. in a first step, for each of the oxygen back pressure valves and the hydrogen back pressure valves, a predefined, calibrated pilot gas pressure is generated and in a second step, the predefined, calibrated pilot gas pressures are forwarded to the respective back pressure valves and in a third step, hydrogen and oxygen gasses are released whenever the gas pressures in the hydrogen and oxygen separation tanks exceeds the predefined, calibrated pilot pressure in the respective pilot gas streams.

用于生产化合物的方法和用于生产化合物的设备

Resumen de: WO2024184587A1

The invention relates to a method for producing a compound comprising at least one of hydrogen or oxygen. The method comprises providing water and a first substance, producing a mixture comprising the water and bubbles comprising the first substance, decreasing diameter of bubbles comprising the first substance, decomposing a part of the water, and composing a compound at least from the decomposed water and the first substance, and the compound comprising at least one of hydrogen or oxygen. The invention further relates to apparatus for producing a compound comprising at least one of hydrogen or oxygen.

System and method for stabilizing the operation of facilities using hydrogen produced by low carbon sources

Resumen de: AU2025203497A1

A system and a method for stabilizing hydrogen flow to a downstream process in a facility determining a hydrogen density and pressure profiles in the hydrogen storage unit 5 for different target net hydrogen flows at different time intervals of a time horizon of a renewable power availability profile, determining an operating target net hydrogen flow of a hydrogen feed to the downstream process, determining a target direct hydrogen flow of a hydrogen feed and a target stored hydrogen flow of a hydrogen feed to the downstream process, and controlling the operation of the downstream process based on the operating 10 target hydrogen flows. A system and a method for stabilizing hydrogen flow to a downstream process in a 5 facility determining a hydrogen density and pressure profiles in the hydrogen storage unit for different target net hydrogen flows at different time intervals of a time horizon of a renewable power availability profile, determining an operating target net hydrogen flow of a hydrogen feed to the downstream process, determining a target direct hydrogen flow of a hydrogen feed and a target stored hydrogen flow of a hydrogen feed to the downstream 10 process, and controlling the operation of the downstream process based on the operating target hydrogen flows. ay a y

DEVICE FOR HYDROGEN PRODUCTION

Resumen de: AU2024296614A1

A hydrogen production device for producing a hydrogen rich gas from ammonia comprising a first chamber comprising an inner wall and an outer wall defining an internal volume, wherein the first chamber contains an ammonia decomposition catalyst disposed between the inner wall and the outer wall, the first chamber having one or more ammonia gas inlets and one or more raw cracked gas outlets, wherein said one or more ammonia gas inlets and one or more raw cracked gas outlets are arranged such that the ammonia flows through the first chamber from the one or more ammonia gas inlets to the one or more raw cracked gas outlets and contacts the ammonia decomposition catalyst; and one or more heat sources for heating the ammonia decomposition catalyst; wherein the first chamber has one or more fins, said one or more fins disposed between the inner wall and the outer wall of the first chamber, wherein the first chamber has an internal surface area, wherein the internal volume is between 10 ml and 100 litres and wherein the ratio of the internal surface area in mm2 to the internal volume in mm3 is between approximately 1:2 and 1:6.

Water electrolysis cell, water electrolysis cell stack, and manufacturing method of water electrolysis cell

Resumen de: AU2025200173A1

A water electrolysis cell according to an embodiment includes: an anode electrode including an anode catalyst layer in which anode catalyst sheets are stacked via a gap, each anode catalyst sheet containing iridium oxide and being in the form of a nanosheet; a cathode electrode including a cathode catalyst layer in which cathode catalyst sheets are stacked via a gap, each cathode catalyst sheet containing platinum and being in the form of a nanosheet; and an electrolyte membrane containing a hydrocarbon-based material, placed between the anode electrode and the cathode electrode. A water electrolysis cell according to an embodiment includes: an anode electrode including an anode catalyst layer in 5 which anode catalyst sheets are stacked via a gap, each anode catalyst sheet containing iridium oxide and being in the form of a nanosheet; a cathode electrode including a cathode catalyst layer in which cathode catalyst sheets are stacked via a gap, each cathode catalyst sheet containing platinum and being in the form 10 of a nanosheet; and an electrolyte membrane containing a hydrocarbon-based material, placed between the anode electrode and the cathode electrode. an a n a n d t h e c a t h o d e e l e c t r o d e 36a 36b 36a34a 34b 34a 3／33/3 35 34 36 37 36a 34a 36b 34b 34a 36a an a n b b a a

DEVICE FOR PRODUCING HYDROGEN

Resumen de: AU2024296183A1

The invention provides a device for producing hydrogen gas and a process therefor. It also provides a system for generating electrical energy from hydrogen gas. More particularly, the invention provides a device for producing hydrogen comprising an ammonia cracker having one or more raw cracked gas outlets in fluid communication with a common raw cracked gas flow conduit, one or more gas separators in fluid communication with the ammonia cracker via the common raw cracked gas flow conduit, and in fluid communication with a common partially purified cracked gas flow conduit; one or more filter assemblies, each having a first container having one or more walls, one or more partially purified cracked gas inlets and one or more purified cracked gas outlets, wherein the one or more partially purified cracked gas inlets are in fluid communication with the one or more gas separators via the common partially purified cracked gas flow conduit, the first container containing a single mass of adsorbent comprising silica gel, wherein the one or more partially purified cracked gas inlets and one or more purified cracked gas outlets are arranged such that a partially purified cracked gas flows through the single mass of adsorbent in use.

SYSTEMS AND METHODS OF PROCESSING WASTE TO GENERATE ENERGY AND GREEN HYDROGEN

Resumen de: US2025320419A1

Systems and methods for producing green hydrogen from a source material (e.g., biowaste) are contemplated. The source material is at least partially dehydrated to produce a dried intermediate and recovered water. The dried intermediate is pyrolyzed to produce syngas and a char. The recovered water is electrolyzed to produce oxygen and green hydrogen.

WATER ELECTROLYSIS MEMBRANE ELECTRODE, AND PREPARATION METHOD THEREFOR AND WATER ELECTROLYSER APPLYING SAME

Resumen de: WO2025246138A1

A water electrolysis membrane electrode, and a preparation method therefor and a water electrolyser applying same. The water electrolysis membrane electrode comprises a cathode gas diffusion layer, a cathode catalytic layer, an anion exchange membrane, a hydrophobic anode catalytic layer and an anode gas diffusion layer. Raw materials for preparing the hydrophobic anode catalytic layer comprise an anode catalyst, a hydrophobic material and an anode ionomer, wherein calculated by mass, the ratio of the anode catalyst: the hydrophobic material: the anode ionomer is 10:1-3:1-3. The porosity of the hydrophobic anode catalytic layer is 10-40%.

ELECTROCHEMICAL CELL, SOLID OXIDE ELECTROLYSIS CELL, CELL STACK, HOT MODULE, AND HYDROGEN PRODUCTION DEVICE

Resumen de: WO2025249472A1

An electrolysis cell 21 comprises a solid electrolyte layer 211, a fuel electrode layer 213 stacked and arranged on one surface side of the solid electrolyte layer 211, and an air electrode layer 212 stacked and arranged on the other surface side of the solid electrolyte layer 211. The fuel electrode layer 213 includes a functional layer 213a, a support layer 213b positioned on the side farther from the solid electrolyte layer 211 than from the functional layer 213a, and a mutual diffusion layer 213c positioned between the functional layer 213a and the support layer 213b so as to be in contact with both of the functional layer 213a and the support layer 213b. The mutual diffusion layer 213c includes: a first element which is one element constituting the functional layer 213a; and a second element which is one element constituting the support layer 213b and is different from the first element. The thickness of the mutual diffusion layer 213c is 1.1 μm or more and 9.7 μm or less.

LOW TEMPERATURE PRODUCTION OF HYDROGEN PEROXIDE

Resumen de: WO2025248075A1

Embodiments for an apparatus for producing hydrogen peroxide are provided. The apparatus includes a heat exchanger configured to remove heat from deionized water prior to passing the deionized water through the anode passage of one or more cells. The apparatus is also configured to oxidize the deionized water in the anode passage of the one or more cells. The apparatus also includes a controller configured to control the heat exchanger and a first one or more temperature sensors electrically coupled to the controller. The first one or more temperature sensors are configured to provide a first temperature reading based on a temperature of the one or more cells, wherein the controller is configured to control the heat exchanger to maintain the first temperature reading at or below a first temperature threshold.

INTEGRATED PROCESSES FOR PRODUCING OLEFINIC PRODUCTS FROM CARBON DIOXIDE

Resumen de: WO2025250426A1

Olefinic products may be produced from various sources. For example, methods of production of olefinic products from carbon dioxide may include: performing an electrolysis reaction of water to form hydrogen and oxygen; providing at least a portion of the hydrogen and carbon dioxide to a methanation unit; reacting the hydrogen and the carbon dioxide via a methanation reaction in the methanation unit to produce methane and water; providing at least a portion of the methane and at least a portion of the oxygen to an oxidative coupling unit; and reacting the methane and the oxygen via an oxidative coupling reaction in the oxidative coupling unit to produce an olefinic product, water, and optionally, additional carbon dioxide.

SYSTEM AND METHOD FOR ELECTROLYTIC PRODUCTION OF HYDROGEN

Resumen de: WO2025250529A1

Systems and methods for generating hydrogen by electrolysis of water using electricity produced using a vortex generator that results in cavitation and implosion processes in a vortex. The vortex generator can produce conditions within the vortex generator that can allow deuterium molecules naturally occurring in water to acquire sufficient kinetic energy to overcome the Coulomb barrier so that their nuclei can get close enough to each other to undergo various nuclear reactions, discharging a large amount of nuclear energy at the microstate, imparting energy to the water, which can be used to drive a turbine to generate electricity, and the resulting electricity can be used at least in part for the electrolysis of water.

METAL OXIDE NANOTUBE ARRAY STRUCTURE CATALYST, AND PREPARATION METHOD THEREFOR AND USE THEREOF

Resumen de: WO2025246031A1

A metal oxide nanotube array structure catalyst, and a preparation method therefor and a use thereof. The preparation method comprises the following steps: cleaning and polishing a metal sheet; immersing the polished metal sheet as an anode in an electrolyte solution to construct an electrochemical system and carrying out an anodic oxidation reaction to obtain a microporous template having a nanotube structure; immersing the microporous template into a metal salt sol for impregnation; taking out the impregnated microporous template, rinsing the surface of the impregnated microporous template with deionized water, then drying the impregnated microporous template, and calcining the impregnated microporous template at a high temperature to convert the metal salt sol into a metal oxide; and dissolving the microporous template with a dissolution solution to obtain the metal oxide nanotube array structure catalyst.

ACTIVE WATER MOLECULE ELECTROLYSIS APPARATUS IN LIMITED SPACE, AND DEVICE

Resumen de: WO2025246212A1

Disclosed in the present invention is an active water molecule electrolysis apparatus in a limited space, comprising a housing having an airflow channel, wherein a membrane electrode assembly is disposed in the housing; the membrane electrode assembly divides the airflow channel into an air inlet end and an exhaust end, the air inlet end being provided with a continuous unidirectional moisture-permeable coating membrane, and the exhaust end being provided with an ePTFE microporous breathable protective membrane; and the housing is provided with an oxygen discharge channel that communicates the air inlet end with the outside. A device, comprising the active water molecule electrolysis apparatus, the internal space of the device being in communication with the air inlet end of the active water molecule electrolysis apparatus. In this way, the active water molecule electrolysis apparatus in a limited space and the device of the present invention utilize the difference in moisture permeability between the ePTFE microporous breathable protective membrane and the continuous unidirectional moisture-permeable coating membrane to realize continuous unidirectional discharge of water vapor from the inside to the outside environment, thereby effectively improving the efficiency of electrolytic dehumidification.

COUPLING DEVICE FOR HYDROGEN GAS PRODUCTION AND CARBON DIOXIDE UTILIZATION

Resumen de: WO2025246521A1

The present application provides a coupling device for hydrogen gas production and carbon dioxide utilization. The device comprises a spiral heat exchanger, a carbon dioxide collector, a steam generator, and an electrolytic cell, wherein the spiral heat exchanger inputs steam into the steam generator through a first pipe, the steam generator generates electric energy from the steam, the electric energy is transmitted to the electrolytic cell through a cable, and the steam is input into the electrolytic cell through a fourth pipe; the carbon dioxide collector is configured to collect carbon dioxide from flue gas produced by combustion and input the collected carbon dioxide into the spiral heat exchanger through a third pipe; the electrolytic cell is configured to produce hydrogen gas from the steam and the electric energy, and the produced hydrogen gas is introduced into the spiral heat exchanger through a second pipe; and the spiral heat exchanger is configured to promote a chemical reaction between the carbon dioxide and the hydrogen gas, and output a target compound.

METHOD FOR ELECTROLYZING WATER, METHOD FOR PRODUCING HYDROGEN, AND METHOD FOR PRODUCING CELL OF PEM WATER ELECTROLYSIS DEVICE

Resumen de: WO2025248902A1

A method for electrolyzing water according to the present invention is a method for splitting water with the use of a PEM water electrolysis device which is provided with a cell in which a cathode, an electrolyte membrane, a porous transport layer, and an anode are stacked, wherein: the porous transport layer has a titanium porous body; in the electrolyte membrane-side surface of the titanium porous body, the average value of the areas of pores that open to the surface is 5 μm2 to 45 μm2 inclusive; the standard deviation value of the areas of the pores is 90 μm2 or less; the number of the pores that are present within a rectangular region that has an area of 22,000 μm2 and an aspect ratio of 4:3 is 120 or more; and the pressure applied in the stacking direction of the cathode, the electrolyte membrane, the porous transport layer, and the anode at the time of assembling the cell is set to 6 MPa or more.

METHOD FOR CONTROLLING WATER ELECTROLYSIS SYSTEM, AND WATER ELECTROLYSIS SYSTEM

Resumen de: WO2025249273A1

Provided is a method for controlling a water electrolysis system with which operation states of a plurality of electrolysis stacks can be independently regulated highly responsively and highly efficiently. This method is for controlling a water electrolysis system which comprises: electrolysis stacks where water is electrolyzed to produce hydrogen and oxygen; a pure water feeder for feeding pure water to the electrolysis stacks; a first regulation part and a second regulation part, which are disposed between each electrolysis stack and the pure water feeder and are capable of regulating the operation state of the electrolysis stack; and an operation state regulation control unit which regulates the first regulation part and the second regulation part to regulate the operation states of the electrolysis stacks. The operation state regulation control unit, after receiving a command to change the operation state of an electrolysis stack, operates the first regulation part on the basis of the operation state and, when a predetermined requirement has been satisfied, operates the second regulation part simultaneously with the first regulation part on the basis of the operation state.

ELECTROCHEMICAL CELL, SOLID OXIDE ELECTROLYSIS CELL, CELL STACK, HOT MODULE, AND HYDROGEN PRODUCTION DEVICE

Resumen de: WO2025249474A1

An electrolysis cell 21 comprises: a solid electrolyte layer 211 that includes oxide particles containing Zr; a fuel electrode layer 213 that is stacked and arranged on one surface side of the solid electrolyte layer 211 and includes metal particles and oxide particles containing Ce; and an air electrode layer 212 that is stacked and arranged on the other surface side of the solid electrolyte layer 211. A Raman spectrum of Stokes scattered light of each of the solid electrolyte layer 211 and the fuel electrode layer 213 (213a) has a peak in a wave number region of 334 cm-1 or more and 531 cm-1 or less. When the half widths of the peaks of the Raman spectra of the solid electrolyte layer 211 and the fuel electrode layer 213 (213a) in the wave number region are defined as an electrolyte half width and a fuel electrode half width, respectively, the ratio of the electrolyte half width to the fuel electrode half width is 3.5 or more and 5.7 or less.

ELECTROCHEMICAL CELL, SOLID OXIDE ELECTROLYSIS CELL, CELL STACK, HOT MODULE, AND HYDROGEN PRODUCTION DEVICE

Resumen de: WO2025249471A1

An electrolysis cell 21 comprises: a solid electrolyte layer 211 including ion-conductive oxide particles; a fuel electrode layer 213 laminated on the back surface 211A side of the solid electrolyte layer 211; and an air electrode layer 212 laminated on the upper surface 211B side of the solid electrolyte layer 211. The average particle diameter of the ion-conductive oxide particles in the solid electrolyte layer 211 is 0.40-1.24 µm.

ELECTROCHEMICAL CELL, SOLID OXIDE ELECTROLYSIS CELL, CELL STACK, HOT MODULE, AND HYDROGEN PRODUCTION DEVICE

Resumen de: WO2025249470A1

An electrolysis cell 21 includes: a solid electrolyte layer 211; a fuel electrode layer 213 stacked and arranged on the rear surface 211A side of the solid electrolyte layer 211; and an air electrode layer 212 stacked and arranged on the front surface 211B side of the solid electrolyte layer 211. A mutual diffusion layer 214 in contact with both the solid electrolyte layer 211 and the fuel electrode layer 213 is formed between the solid electrolyte layer 211 and the fuel electrode layer 213. The mutual diffusion layer 214 includes: a first element which is one element constituting the solid electrolyte layer 211; and a second element which is one element constituting the fuel electrode layer 213 and is different from the first element. The thickness T1 of the mutual diffusion layer 214 falls within the range of 1.5 μm or more and 4.8 μm or less.

SYSTEM COMBINATION COMPRISING AT LEAST TWO ELECTROLYSIS SYSTEMS AND A POWER SUPPLY SOURCE

Resumen de: US2025373010A1

A system combination having at least two electrolysis systems, a power supply source having a direct voltage output, and a central supply line is provided. The central supply line is connected to the direct voltage output of the power supply source, so that a direct current can be fed into the central supply line and a central DC network designed for high voltage is provided, to which DC network the electrolysis systems are connected by means of the central supply line. The power supply source has, as a power generator, a wind turbine, to which a rectifier having a direct voltage output is connected, the direct voltage output being designed for the high voltage.

A SYSTEM AND METHOD FOR PRODUCING AMMONIA

Resumen de: US2025368520A1

The invention relates to a system and a method for producing ammonia, including an ammonia reactor which is formed for the generation of ammonia (NH3) from a synthesis gas, where the synthesis gas includes hydrogen (H2) and nitrogen (N2), further including an electrolizer which is formed to generate hydrogen and oxygen from water, where the electrolizer is operated with renewable energies, further including a gas turbine operated with hydrogen, where the exhaust gas of the gas turbine containing nitrogen (N2) is employed for the generation of the synthesis gas.

WATER ELECTROLYSIS MEMBRANE ELECTRODE, METHOD FOR PREPARING THE SAME, AND WATER ELECTROLYZER APPLYING THE SAME

Resumen de: US2025369130A1

The present disclosure provides a water electrolysis membrane electrode, a method for preparing the water electrolysis membrane electrode, and a water electrolyzer applying the water electrolysis membrane electrode. The water electrolysis membrane electrode includes a cathode gas diffusion layer, a cathode catalytic layer, an anion exchange membrane, a hydrophobic anode catalytic layer, and an anode gas diffusion layer that are stacked in sequence. Raw materials for preparing the hydrophobic anode catalytic layer include an anode catalyst, a hydrophobic material, and an anode ionomer. A mass ratio of the anode catalyst, the hydrophobic material, and the anode ionomer is 10:1-3:1-3. A porosity of the hydrophobic anode catalytic layer is 10%-40%.

LOW TEMPERATURE PRODUCTION OF HYDROGEN PEROXIDE

Resumen de: US2025369126A1

Embodiments for an apparatus for producing hydrogen peroxide are provided. The apparatus includes a heat exchanger configured to remove heat from deionized water prior to passing the deionized water through the anode passage of one or more cells. The apparatus is also configured to oxidize the deionized water in the anode passage of the one or more cells. The apparatus also includes a controller configured to control the heat exchanger and a first one or more temperature sensors electrically coupled to the controller. The first one or more temperature sensors are configured to provide a first temperature reading based on a temperature of the one or more cells, wherein the controller is configured to control the heat exchanger to maintain the first temperature reading at or below a first temperature threshold.

OXYGEN GENERATION SYSTEMS FOR LOW GRAVITY APPLICATIONS

Nº publicación: US2025369139A1 04/12/2025

Solicitante:

HAMILTON SUNDSTRAND CORP [US]
Hamilton Sundstrand Corporation