Alerta

ELECTROLYSIS SYSTEM, ENERGY BALANCING SYSTEM, METHOD FOR BALANCING ELECTRICAL POWER IN AN ELECTRICAL NETWORK, COMPUTER PROGRAM, CONTROLLER AND AN ELECTRICAL ENERGY SOURCE

Resumen de: AU2024327331A1

Electrolysis system, energy balancing system, method for balancing electrical power in an electrical network, computer program, controller and an electrical energy source The present invention pertains to an electrolysis system (1) and an energy balancing system (10) comprising a renewable electrical energy source (2) and the electrolysis system (1) that are electrically connected, wherein a production of electrical power of the renewable electrical energy source (2) is controlled by generator controller (5) and an absorption of electrical power by an electrolysis process (5) of the electrolysis system (3) is controlled by a main power controller (2) and an electrolysis controller (4). The electrolysis controller (4) is adapted to determine a capacity of the electrolysis system (3) of converting any additional electrical power and to transmit an indicator value (7) indicative of the electrolysis process (5) being capable or not capable of absorbing any additional electrical power to the main power controller (2) and/or to the generator controller (12) for adjusting the production and/or absorption of electrical power.

PROCESS FOR PRODUCING CARBON MONOXIDE BY ELECTROLYSIS OF CARBON DIOXIDE

Resumen de: EP4756076A1

0001 A process for producing a carbon monoxide rich product stream by electrolysis of carbon dioxide in an electrolyzer. Due to separation of the respective anode and cathode side product streams, a first off-gas stream containing carbon monoxide is generated at the cathode side, whereas a second off-gas stream containing oxygen is generated at the anode side. Both off-gas streams are supplied to an oxidizing device, in which the oxygen of the second off-gas stream is at least partially reacted with carbon monoxide present in the first off-gas stream to form carbon dioxide, whereby an oxygen depleted stream containing carbon dioxide is formed and recycled to the electrolyzer. A control process is applied which enables a controlled oxidation of carbon monoxide with oxygen to form carbon dioxide. Optionally, also hydrogen contained in the first off-gas stream is converted in the oxidizing device to form water.

METHOD FOR PRODUCING HYDROGEN

Resumen de: EP4755844A1

0001 Provided is a method for producing hydrogen in which ammonia can be decomposed at high efficiency even with low power consumption to produce hydrogen. The method for producing hydrogen of the present invention includes a step in which an ammonia decomposition catalyst including a titanate represented by the following general formula (1) or a titanium oxynitride represented by the following general formula (2) is brought into contact with ammonia under irradiation with microwaves at low output.         ATiO<3-x>     (1) (In the general formula (1), A represents at least one element selected from the group consisting of Ba and Sr, and x is a value represented by 0.1 ≤ x ≤ 2.0.)         ATiO<3-x>N     (2) (In the general formula (2), A represents at least one element selected from the group consisting of Ba and Sr, x is a value represented by 0.1 ≤ x ≤ 2.0, and y is a value represented by 0.1 ≤ y ≤ 1.0.)

ELECTROLYSIS PROCESS FOR HYDROGEN GENERATION

Resumen de: EP4756077A1

0001 Elektrolyseverfahren zur Erzeugung von Wasserstoff mit folgenden Verfahrensschritten: - Anlegen einer Spannung an mindestens eine Elektrode (20; 320), die zumindest teilweise in ein Wasser (5) oder ein Wassergemisch in einem Behälter (10; 210; 310) eingetaucht ist, - wobei sich während des Elektrolyseprozess das Wasser (5) oder das Wassergemisch in seine Bestandteile Wasserstoff und Sauerstoff auftrennen, und sich im Bereich der mindestens einen Elektrode (20; 320) Sauerstoffgas (81) und Wasserstoffgas (86) bilden, - Bewegen der Elektrode (20; 320) durch eine Bewegungseinrichtung (50; 150A, 150B), wodurch die an der mindestens einen Elektrode (20; 320) anhaftenden Sauerstoffgase (81) und/oder Wasserstoffgase (86) abgelöst werden.

POLYPHENOL-BASED CARBON WITH ULTRA-LOW METAL CONTENT AS ELECTROCATALYST AND ITS USE FOR ELECTROCHEMICAL WATER SPLITTING

Resumen de: EP4756935A1

The invention relates to a method for preparing an electrocatalyst comprising a first step of mixing and milling of a metal salt, a polyphenol and a surfactant followed by a second step of heating the paste resulting from the first step at a temperature higher than or equal to 700°C under an N₂ atmosphere.

BARIUM NITRIDE, METAL CARRIER, AND AMMONIA DECOMPOSITION CATALYST

Resumen de: EP4755847A1

Provided is an ammonia decomposition catalyst which exhibits high ammonia decomposition activity even at a low reaction temperature and a low reaction pressure, and which has stable catalytic properties such that it can be repeatedly used in reactions even after being exposed to air or water. A barium nitride of the present invention is represented by the following general formula (1): BaAN_2-x (1), wherein in general formula (1), A represents at least one element selected from the group consisting of Si, Fe, Ni, Mo, and Zr, and x represents a value expressed by 0 ≤ x < 2.0.

RECOVERY OF HYDROGEN FROM AN AMMONIA CRACKING PROCESS

Resumen de: EP4501433A1

Process of separating hydrogen from an effluent gas produced by an endothermic ammonia cracking reaction, said effluent gas comprising hydrogen and nitrogen, said process comprising a step of pressure swing adsorption separation of the effluent gas, said step comprising separating the effluent gas by pressure swing adsorption according to a pressure cycle, thereby producing a hydrogen product gas and generating off gas, the pressure cycle comprising an off gas generation period of time during which said off gas is generated, said off gas generation period of time comprising :- a fuel off gas generation period of time during which a fuel off gas is generated,- a nitrogen richer off gas generation period of time during which a nitrogen richer off gas is generated, said nitrogen richer off gas having a higher nitrogen content than the fuel off gas, wherein the process comprises :- routing the fuel off gas to a furnace (5) and combustion of said fuel off gas in said furnace (5) to provide heat to the endothermic ammonia cracking reaction,- diverting the nitrogen richer off gas from the furnace (5).

METHOD OF OPERATING A POWER SUPPLY FOR A MULTI-STACK ELECTROLYZER SYSTEM, RELATED POWER SUPPLY AND ELECTROLYZER SYSTEM

Resumen de: EP4757159A1

A method of operating a power supply system (1) for a multi-stack electrolyzer system (2) is presented, the power supply (1) comprising a transformer unit (3) operable to transform an alternating current electrical power (AC) and a rectifier system (4) operable to convert the alternating current electrical power (AC) to a direct current electrical power (DC), wherein at least two thyristor-type rectifier units (5) are connected in parallel between the transformer unit (3) on the AC side and an electrolysis array (110) on the DC side of the rectifier (4), and wherein the two rectifier units (5) are connected to different electrolyser stacks (6a, 6b), wherein the method comprises controlling the voltage of the rectifier units (5), wherein a reference DC voltage is provided to a control unit (7), wherein the control unit (7) controls the DC voltage (V_dc) to a common reference value (V_{dc ref}) by providing a corresponding firing angle (α_ref). Moreover, a related controller, power supply and the multi-stack electrolyzer system, are provided.

SCALABLE ELECTROLYSIS CELL AND STACK AND METHOD OF HIGH-SPEED MANUFACTURING THE SAME

Resumen de: EP4756082A2

An electrolyzer stack is configured for high-speed manufacturing and assembly of a plurality of scalable electrolysis cells. Each cell comprises a plurality of water windows configured to maintain a pressure loss, temperature rise and/or oxygen outlet volume fraction below predetermined thresholds. Repeating components of the cells are configured based on a desired roll web width for production and a stack compression system is configured to enable a variable quantity and variable area of said repeating cells in a single stack. A high-speed manufacturing system is configured to produce scalable cells and assemble scalable stacks at rates in excess of 1,000 MW-class stacks per year.

电解液体生成装置

Resumen de: EP3438057A1

An electrolytic liquid generation device according to the present disclosure includes an electrolytic part and a housing in which the electrolytic part is disposed. The electrolytic part has a laminate including mutually adjacent electrodes and a conductive film interposed between the electrodes. The electrolytic part electrolyzes a liquid. The housing includes an electrode case having a recess with an opening to enable insertion of the electrolytic part through the opening and to contain the electrolytic part in the recess, and an electrode case lid to cover the opening of the electrode case. The electrolytic part is contained in the recess such that lamination direction Z of the laminate is substantially aligned with a direction in which the opening opens. This configuration provides an electrolytic liquid generation device that can be built with improved facility.

PLANE PARALLEL CONVERGING GAS FLOW ELECTROLYZER, CELL AND USE THEREOF

Resumen de: AU2024383591A1

An electrolyzer for generating hydrogen from water comprising electrodes and an electrically non-conductive separator layer extending in a substantially vertical plane comprising macroscopic through holes, and wherein the electrodes themselves comprise an anode and a cathode, characterized in that the electrodes are each furnished at opposite faces of the separator, and that the electrodes each comprise a plurality fins and wherein each fin of the plurality of fins projects outwardly from the layer for restricting the upward movement of electrode generated bubbles to a bubble stream that is substantially parallel to the vertical plane.

SYSTEM FOR ONLINE CONVERSION OF SODIUM SOURCE INTO HEAT ENERGY AND HYDROGEN

Resumen de: WO2026113883A1

Disclosed in the present invention is a system for online conversion of a sodium source into heat energy and hydrogen. A pipe orifice of a sodium injection pipe is arranged in the upper end of a reactor, a sodium reaction baffle is arranged below the pipe orifice, and a sodium hydroxide solution channel is arranged on the sodium reaction baffle, or a sodium hydroxide solution channel is arranged between the sodium reaction baffle and a side wall of the reactor. The speed of input water vapor is controlled, so as to maintain the concentration of the water vapor in the reactor within a relatively low range, and the highest temperature in the reactor is controlled to be less than 300ºC by adjusting a sodium injection one-way valve or/and adjusting a water vapor injection one-way valve or/and adjusting the heat exchange amount of a condenser, such that sodium combustion caused by an overly-high temperature is avoided, and corrosion to a device caused by high-temperature substances is effectively relieved. The arranged sodium reaction baffle can enable a sodium hydroxide solution coating layer having a high density and a low viscosity to be separated from sodium, such that the surface of sodium is exposed, thereby realizing rapid oxidation of sodium and low-concentration water vapor and maintaining a relatively high level of efficiency in terms of productivity.

A Separator for Alkaline Water Electrolysis

Resumen de: US20260152864A1

A separator for alkaline hydrolysis comprising a porous layer, the porous layer comprising inorganic particles, characterized in that the inorganic particles have a fraction of primary particles having a diameter above 100 nm of lower than 3% by number, as measured by Transmission Electron Microscopy (TEM).

SYNERGISTIC CONTROL METHOD AND DEVICE FOR HYBRID HYDROGEN PRODUCTION

Resumen de: WO2026113446A1

Disclosed are a synergistic control method and device for hybrid hydrogen production. The method comprises: acquiring a distributable total power instruction of a hybrid hydrogen production array and operation data of the hybrid hydrogen production array (S10); determining a load change of the hybrid hydrogen production array on the basis of the operation data and the distributable total power instruction (S11); on the basis of the load change, the operation data, and a manner of determining the preliminarily distributed power of electrolytic cells corresponding to the load change, determining the preliminarily distributed power of the electrolytic cells and load flag bit information (S12); and once the hybrid hydrogen production array has operated on the basis of the preliminarily distributed power for a preset execution period of time, performing power exchange between a PEM electrolytic cell and an alkaline electrolytic cell on the basis of the load flag bit information, the operation data, and a preset expected operation interval corresponding to the PEM electrolytic cell, so that the hybrid hydrogen production array operates on the basis of the determined final distributed power of the electrolytic cells (S13).

ELECTROLYSIS CELL SYSTEM AND METHOD FOR CONTROLLING SAME

Resumen de: AU2023472800A1

An electrolysis cell system (1) comprises an electrolysis cell (10), a first supply path (L1), a second supply path (L2), a first pressure adjustment unit (60), a second pressure adjustment unit (80), and a controller (130). The electrolysis cell (10) has a hydrogen electrode chamber (12) and an oxygen electrode chamber (13). The first supply path (L1) supplies a raw material gas containing water vapor to the hydrogen electrode chamber (12). The second supply path (L2) supplies compressed air to the oxygen electrode chamber (13). The first pressure adjustment unit (60) is provided in the first supply path (L1). The second pressure adjustment unit (80) is provided in the second supply path (L2). The controller (130) controls the first pressure adjustment unit (60) and the second pressure adjustment unit (80) to adjust a first pressure in the hydrogen electrode chamber (12) and a second pressure in the oxygen electrode chamber (13).

METHOD OF OPERATING AN ELECTROLYZER SYSTEM

Resumen de: WO2026114798A1

The invention relates to a method of operating an electrolyzer system (1) and to such an electrolyzer system (1) for executing the method, by means of which water is converted to oxygen and hydrogen (100), wherein at least one first electrolyzer (10) is set up which generates heat (W1) during operation to form the hydrogen (100), and wherein at least one second electrolyzer (11) is set up which is supplied at least indirectly with at least some of the heat (W1) from the first electrolyzer (10) for operation, and wherein at least one first heat pump (13) is set up which is supplied with at least some of the heat (W1) from the first electrolyzer (10), and wherein heat (W2) is provided by means of the first heat pump (13) and is released to the second electrolyzer (11). According to the invention, the heat (W2) from the first heat pump (13) is fed via a fluid conduit (16d) to a heat exchanger (19) directly to the second electrolyzer (11) for heating thereof by evaporation of water (12) in liquid form in the heat exchanger (19) such that this water is supplied as water vapor to the second electrolyzer (11), and wherein a heating device (21) is provided, by means of which the water (12) in the form of the water vapor is heated up further downstream of the heat exchanger (19).

ENERGY MANAGEMENT DEVICE AND ENERGY MANAGEMENT METHOD

Resumen de: WO2026115792A1

Provided is an energy management device and the like in which system inertial force is ensured. This energy management device (10) comprises a target system inertial force calculation unit (121) that calculates, on the basis of a power demand prediction value of a power system including a renewable energy power source and a synchronous power source, and a renewable energy power generation amount prediction value that is a power generation amount prediction value of the renewable energy power source, a target surplus power amount that is a target value of a portion of the power generation amount of the renewable energy power source which is used for producing hydrogen, and calculates a target system inertial force of the power system. Fuel used for power generation of the synchronous power source includes hydrogen produced by power generated by the renewable energy power source. The energy management device further comprises a power generation planning unit (122) that calculates, on the basis of the power demand prediction value, the renewable energy power generation amount prediction value, the target surplus power amount, and the target system inertial force, a target synchronous power source power generation amount that is a target value of a power generation amount of the synchronous power source in each time band.

NOVEL COMPRESSION TRAIN ARRANGEMENTS FOR AMMONIA SYNTHESIS SYSTEMS

Resumen de: WO2026114898A1

The ammonia production system comprises a hydrogen source and a hydrogen compression unit, configured to compress hydrogen from the hydrogen source. The system further comprises a nitrogen source and a syngas compressor, configured to receive nitrogen from the nitrogen source and hydrogen from the hydrogen compression unit, and further configured to compress a syngas including a mixture of hydrogen and nitrogen and deliver the compressed gas mixture to an ammonia synthesis module. The hydrogen source and the nitrogen source are fluidly coupled to the syngas compressor. The hydrogen compression unit is configured to deliver hydrogen at pressures of 8 to 17 bar.

SEPARATOR FOR ALKALINE WATER ELECTROLYSIS, ALKALINE WATER ELECTROLYSIS MEMBER, ALKALINE WATER ELECTROLYSIS CELL, ALKALINE WATER ELECTROLYSIS DEVICE, AND METHOD FOR PRODUCING HYDROGEN

Resumen de: WO2026116128A1

Provided are: a separator for alkaline water electrolysis, the separator comprising a porous base material that contains an organic polymer, and a nonionic surfactant that has an HLB value of not less than 3.0 but less than 12.0, wherein at least the outer surface of the porous base material is covered with the nonionic surfactant; an alkaline water electrolysis member; an alkaline water electrolysis cell; an alkaline water electrolysis device; and a method for producing hydrogen.

Hydrogen Generator Capable of Selectively Adjusting Gas Flow Direction

Resumen de: US20260152865A1

A hydrogen generator comprises an electrolytic module, a hydrogen water cup, an integrated passageway device and an automatic diversion device. The electrolytic module is configured to electrolyze water and generate gas comprising hydrogen. The hydrogen water cup is configured for containing liquid, and injecting the gas comprising hydrogen into the liquid to form hydrogen liquid. The integrated passageway device is stacked above the electrolytic module, and includes an inlet gas passageway, an outlet gas passageway and a gas communication passageway. The automatic diversion device is configured for selectively communicating the inlet gas passageway, the hydrogen water cup and the outlet gas passageway or selectively communicating the inlet gas passageway, the gas communication passageway and the outlet gas passageway.

C-TIO2 COMPOSITE MATERIAL USING CARBON SOURCE AS RAW MATERIAL, PREPARATION METHOD THEREFOR AND USE THEREOF

Resumen de: WO2026113786A1

Disclosed in the present invention are a C-TiO2 composite material using a carbon source as a raw material, a preparation method therefor and the use thereof. The preparation method comprises: dispersing a carbon source and TiO2 powder in a polar solvent to obtain a suspension A; heating the suspension A under a stirring condition, and volatilizing the polar solvent to obtain a mixture B; and calcining the mixture B to obtain a C-TiO2 composite material, wherein the carbon source comprises a first carbon source and/or a second carbon source, the first carbon source is elemental carbon, and the second carbon source is an organic matter that can be pyrolyzed to generate carbon. The present invention uses recycled or cheap carbon sources as raw materials to prepare the C-TiO2 composite material, which can effectively reduce environmental pollution caused by decommissioned new energy power lithium batteries while providing a feasible solution for the high-value utilization of cheap carbon sources. The C-TiO2 composite material is applied to the field of electrocatalytic water splitting to prepare efficient and stable oxygen evolution catalytic electrodes, thus realizing ampere-level current density applications oriented to industrial requirements.

ELECTROCHEMICAL CELL AND METHOD OF PROCESSING A GASEOUS STREAM CONTAINING HYDROGEN

Resumen de: US20260151730A1

0000 An electrochemical cell, or stack thereof, wherein each cell of the stack comprises at least: a membrane electrode assembly (MEA), the MEA comprising at least: an anode, a cathode, and an an-ion exchange membrane therebetween, an inlet to the anodic half-cell for the introduction of hydrogen at a first pressure, and an outlet from the cathodic half-cell for the transfer of hydrogen at a second pressure, and means to provide a required power to the cell. In one embodiment, the purification and compression of hydrogen occurring by utilisation of the following reaction pathway.

TANTALUM AND NITROGEN CO-DOPED STRONTIUM TITANATE WITH PEROVSKITE STRUCTURE AND PREPARATION METHOD AND APPLICATION THEREOF

Resumen de: US20260151758A1

0000 A tantalum and nitrogen co-doped strontium titanate with perovskite structure, is a photocatalytic material. Titanium isopropoxide and tantalum pentachloride are dissolved in methanol, then ethylene glycol, citric acid and strontium carbonate are added, a polymerization reaction product is calcined with air to remove organic carbon, and tantalum doped strontium titanate is obtained. The tantalum doped strontium titanate is mixed with magnesium powder and nitrided in an atmosphere of an ammonia gas flow. A nitrided product is acid-pickled, water-washed and dried, and the tantalum and nitrogen co-doped strontium titanate with perovskite structure is obtained. A titanium-oxygen bond is weakened by pre-doping tantalum, and a magnesium powder-assisted nitridation method is used, such that spatial distribution of a high-content nitrogen dopant in strontium titanate is realized.

VESSEL FOR PRODUCING HYDROGEN

Resumen de: US20260152264A1

0000 A vessel for hydrogen production includes a hydrogen production installation including a cracking assembly configured to crack a hydrogen-based compound to produce hydrogen and a cracking product, and a filtering and purification assembly configured to separate hydrogen from the cracking product.

POROUS HYDROPHILIC SEPARATOR, ITS METHOD OF PRODUCTION AND AN ALKALINE ELECTROLYZER WITH SUCH SEPARATOR

Nº publicación: AU2024380664A1 04/06/2026

Solicitante:

STIESDAL HYDROGEN AS
STIESDAL HYDROGEN A/S

Resumen de: AU2024380664A1

Porous hydrophilic separator, its method of production, and an alkaline electrolyzer with such separator In an alkaline electrolyzer (12), especially for production of hydrogen gas, the separator (11) has larger pores in layers (8, 9) on its outer sides (7A, 7C), facing the electrodes (13, 14), than in the bulk layer (10). In a practical embodiment, the separator (11) is composed of two diaphragms (7, 7'), each with asymmetric pore structure, where the diaphragms (7, 7') are oriented such that largest pores are on the outer sides of the sep- arator (11).