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メタネーション方法及びシステム

Resumen de: WO2025032310A1

The present invention relates to a methanation method comprising providing an electrolyser system, the electrolyser system (20) comprising an electrolyser (10) that has at least one electrolyser cell (11), at least one fuel input (14) through which fuel enters the electrolyser (10) and at least one offgas output (46) from which offgas exits the electrolyser (10), the method further comprising supplying fuel to the at least one fuel inlet, the fuel comprising at least water and either or both carbon dioxide and carbon monoxide, operating the electrolyser system (20) by powering the electrolyser cell (11) with electricity to electrolyse the fuel in the at least one electrolyser cell (11) such that a part of the water splits into hydrogen and oxygen, wherein the electrolyser (10) is operated at a temperature at or in excess of 150 degrees C, and methanation occurs to the carbon dioxide and/or carbon monoxide in the electrolyser (10). The gas mixture can be released from the at least one offgas output (46) and then passed through a gas separation process to separate at least the methane from the gas mixture. The present invention also relates to an electrolyser system (20) configured to operate using the above method. The electrolyser system (20) comprises a fuel fluid flow path connecting a fuel inlet and a fuel outlet. The method may comprise providing to the fuel inlet a fuel gas containing water and a source of carbon selected from one or more of CO and CO2, operating the ele

アンモニアの熱改質によって水素を生成するためのプロセス及び装置

Resumen de: WO2025027031A1

The invention provides a process for producing hydrogen by thermal reforming of ammonia in an apparatus comprising an ammonia cracking reactor with a catalyst chamber and a staged combustion unit, wherein the catalyst chamber of the ammonia cracking reactor is heated indirectly by heat exchange with the hot flue gases from the staged combustion unit, comprising the steps of: a) incomplete combustion of a fuel comprising ammonia in the first stage of the staged combustion unit to generate a flue gas stream of elevated temperature T1 in the range of 750 to 2000°C, preferably in the range of 1200 to 2000°C; b) complete combustion of the fuel comprising ammonia in the second stage of the staged combustion unit to generate a flue gas stream of a temperature T3 that is less than T1; c) exchanging heat from the flue gas provided in step b) with the ammonia cracking reactor to raise the temperature in the catalyst chamber to a catalytic cracking temperature T2 in the range of 400 to 1000°C, more preferably in the range of 600 to 800°C; d) subjecting an ammonia stream in the heated ammonia cracking reactor of step c) to a catalytic ammonia-cracking step to yield a thermally cracked stream comprising hydrogen, and e) separating the thermally cracked stream into a reject gas stream and an enriched hydrogen stream and withdrawing the enriched hydrogen stream, wherein T3 is at least 50°C above T2 up to a maximum of 1600°C, and wherein T3 is at least 50°C below T1, and wherein the f

ARRANGEMENT FOR GAS-LIQUID SEPARATION AND USE THEREOF

Resumen de: US20260234823A1

An arrangement for gas-liquid separation includes first and second gas separators for first and second gases, each having one vessel. The vessels have either the same or a different vessel volume, are in hydraulic communicating connection for a liquid via a connecting conduit and are at the same height. The operational configuration is such that a predefined standard fill level of the liquid is established when the pressure in the vessels is equal, and so a liquid volume is provided at the standard fill level, the vessel volume is composed of the liquid volume and the corresponding gas volume, and the liquid volume in the vessels is greater than the corresponding gas volume. A method of operating an electrolyzer, in particular in safe operation of an electrolysis plant with an electrolyzer for alkaline electrolysis, and an electrolysis plant, are also provided.

PURIFICATION OF ELECTROLYTIC HYDROGEN

Resumen de: US20260233146A1

0000 The present invention relates to a process for purifying a hydrogen stream polluted with water, oxygen and possibly nitrogen, said process involving placing the hydrogen stream to be purified in contact with a zeolite-based adsorbent material comprising at least one metal chosen from the metals of columns 3 to 12 of the Periodic Table of the Elements, in zero-valent metal form, or in oxidized or reduced form, and recovering the purified hydrogen stream. 0000 The invention also relates to the use of a zeolite-based 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 the hydrogen thus purified in industrial processes.

ELECTROLYSIS CELL SYSTEM AND METHOD FOR OPERATING THE SAME

Resumen de: US20260234821A1

Provided is an electrolysis cell system with energy efficiency improved. An electrolysis cell system (10) includes: an electrolysis cell (11) that has an anode and a cathode and generates hydrogen on the cathode and oxygen on the anode by electrolyzing steam supplied to the cathode; a supply line (20) that supplies air that controls the temperature of the electrolysis cell (11), to the electrolysis cell (11); an exhaust line (30) through which the air exhausted from the electrolysis cell (11) flows; a circulation line (40) that guides the air exhausted to the exhaust line (30), to the supply line (20); and a supply air temperature control heat exchanger (28) that controls the temperature of the air to be supplied to the electrolysis cell (11).

SYSTEM FOR PRODUCING COMPRESSED HYDROGEN

Resumen de: US20260234824A1

An electrolyser system (10) and a method of operating an electrolyser system (10), the electrolyser system (10) comprising an electrolyser (16) and a metal hydride or adsorption-desorption compressor (24), wherein the electrolyser (16) has at least one electrolyser cell with a steam input (22) and at least one gas output. The method comprises supplying steam through a first side of the electrolyser cell at the steam input (22), operating the electrolyser (16) to split part of the steam into hydrogen and oxygen in the at least one electrolyser cell, venting a mixture of the hydrogen and the remaining steam from the first side of the electrolyser cell at the at least one gas output (18), passing the mixture into the metal hydride or adsorption-desorption compressor (24), and cryo-adsorbing the hydrogen of the mixture in the metal hydride or adsorption-desorption compressor (24) to compress the hydrogen and desorbing the compressed hydrogen from the metal hydride or adsorption-desorption compressor (24). The electrolyser system (10) is connected

EXTRACTION AND INTEGRATION OF WASTE HEAT FROM ENHANCED GEOLOGIC HYDROGEN PRODUCTION

Resumen de: US20260235020A1

0000 A method of producing hydrogen and sequestering carbon or sulfur includes generating a fluid including at least one of water, steam, hydrogen sulfide, carbon dioxide and heat as a byproduct of a surface facility and injecting the fluid into a subsurface formation. The subsurface formation can include a porous rock, in various forms of porosity such as intragranular, intergranular, fracture porosity. The method can further include heating the fluid to stimulate an exothermic reaction of the fluid with components of the subsurface rock formation and produce a hydrogen reaction product and one or more of sulfur minerals from the hydrogen sulfide or carbon minerals from the carbon dioxide. The fluid can be heated to between about 25° C. and about 500° C. The method can also include extracting the hydrogen produced from the reaction of the fluid with the subsurface rock formation and mineralizing sulfur or carbon in the porous rock.

PROCESS FOR MANUFACTURING OXIDES

Resumen de: US20260234016A1

The present invention relates to a pyrogenic process for manufacturing metal oxides or metalloid oxides wherein a metal precursor and/or a metalloid precursor is introduced into a flame formed by burning a gas mixture comprising oxygen and hydrogen, wherein at least a part of the hydrogen has been obtained from electrolysis of water or an aqueous solution, using electrical energy, at least a part of which has been obtained from a renewable energy source, and wherein at least a part of the thermal energy of the flame is transferred to a first heat transmission medium by means of at least one exchanger, thereby heating the first heat transmission medium to a maximal temperature in the range between 8° and 150° C.

POROUS WATER-SPLITTING ELECTRODE BASED ON SUPPORT COATED WITH CARBON NANONUBE ASSEMBLY, METHOD FOR MANUFACTURING SAME, AND WATER ELECTROLYSIS DEVICE INCLUDING SAME

Resumen de: US20260234815A1

0000 The present invention relates to a porous water-splitting electrode including a support coated with a carbon nanotube assembly and a catalytic active layer formed on the coated support; a method of manufacturing the same; and a water electrolysis device including the same.

SYSTEM AND METHOD FOR CONTROLLING HYDROGEN STACK CURRENT AND LOAD

Resumen de: US20260234820A1

0000 The present disclosure relates to systems and methods for controlling hydrogen stack power and load. The systems include at least one hydrogen stack, a pressure sensor, and a controller, wherein the controller is operable to increase or decrease the power to the at least one hydrogen stack in response to a change in pressure. The methods include generating hydrogen using at least one hydrogen stack, measuring the pressure of the generated hydrogen, and increasing or decreasing the power supplied to the at least one hydrogen stack in response to an increase or decrease in the pressure.

PROCESSES FOR PREPARING HYDROXIDES AND OXIDES OF VARIOUS METALS AND DERIVATIVES THEREOF

Resumen de: US20260234024A1

A process for process for preparing a metal hydroxide comprising at least one metal chosen from nickel, cobalt, manganese, lithium and aluminum. The process comprises: reacting a metal sulfate and/or a metal nitrate comprising at least one metal chosen from nickel, cobalt, manganese, lithium and aluminum with a base chosen from LiOH, NaOH, KOH, RbOH, CsOH, Mg(OH)2, Ca(OH)2, Sr(OH)2, or Ba(OH)2 and optionally a chelating agent in order to obtain a solid comprising the metal hydroxide and a liquid comprising at least one of Li2SO4 Na2SO4, K2SO4, Rb2SO4, Cs2SO4, MgSO4, CaSO4, SrSO4, BaSO4, LiNO3 NaNO3, KNO3, RbNO3, CsNO3, Mg(NO3)2, Ca(NO3)2, Sr(NO3)2 and Ba(NO3)2,separating the liquid and the solid from one another to obtain the metal hydroxide;submitting the liquid comprising at least one of Li2SO4 Na2SO4, K2SO4, Rb2SO4, Cs2SO4, MgSO4, CaSO4, SrSO4, BaSO4, LiNO3 NaNO3, KNO3, RbNO3, CsNO3, MgNO3, CaNO3, SrNO3 and BaNO3 to an electromembrane process for converting the least one of Li2SO4, Na2SO4, K2SO4, Rb2SO4, Cs2SO4, MgSO4, CaSO4, SrSO4, BaSO4, LiNO3 NaNO3, K2NO3, RbNO3, CsNO3, Mg(NO3)2, Ca(NO3)2, Sr(NO3)2 and Ba(NO3)2 into at least one of LiOH, NaOH, KOH, RbOH, CsOH, Mg(OH)2, Ca(OH)2, Sr(OH)2, and Ba(OH)2; andreusing the at least one of LiOH, NaOH, KOH, RbOH, CsOH, Mg(OH)2, Ca(OH)2, Sr(OH)2, and Ba(OH)2 obtained by the electromembrane process for reacting with the metal sulfate and/or the metal nitrate.

Methods to Reduce Combustion Time and Temperature in an Engine

Resumen de: US20260235084A1

0000 According to aspects of the disclosed subject matter, methods and apparatuses are provided to reduce combustion time and/or combustion temperature in an internal combustion engine. In an exemplary embodiment, intake air and oxygen-rich gas are introduced upstream of a turbofan, wherein the amount of oxygen rich gas provided to the internal combustion engine is controlled in a manner that is proportional to the engine speed.

CATALYST FOR DECOMPOSITION OF AMMONIA, AND METHOD FOR DECOMPOSITION OF AMMONIA

Resumen de: US20260233204A1

0000 A catalyst for decomposition of ammonia and a method for decomposition of ammonia using the catalyst. The catalyst includes a carrier and a catalytically active components supported on the carrier, the catalytically active components including i) ruthenium (Ru) as a first metal; ii) a second metal; and iii) a third metal, wherein each of the second metal and the third metal is independently one or more selected from the group consisting of lanthanum (La), cerium (Ce), aluminum (Al), and zirconium (Zr), the amount of the first metal ruthenium is 0.1 to 1 part by weight, based on 100 parts by weight of the total catalyst, the porosity is 30 to 60%, and the median value of pore diameter is 50 to 200 μm.

APPARATUS FOR THE PRODUCTION OF HYDROGEN AND RELATED PROCESS

Resumen de: WO2026167518A1

Apparatus (100) for the production of hydrogen by means of electrolysis of water, comprising a central body (120) consisting of a refractory chamber and comprising: a first zone (101) comprising a burner; a second zone (102) directly connected with the first zone (101) and arranged downstream of the latter, provided with devices (111) for controlling the temperature of the combusted gas exiting from said first zone and for regulating and delivering a coolant; and a third zone (103), directly connected with the second zone (102), comprising a high-temperature solid oxide electrolytic cell (SOEC), said apparatus (100) further comprising: upstream of the central body (120) at least one supply line (104), (105) and (106) for respectively supplying at least one fuel; oxygen and a diluent, and directly connected with the third zone (103) of the central body: an outlet line (107), and (108) for hydrogen and any carbonaceous combusted gases; and oxygen.

RADIATOR AND HYDROGEN GENERATOR WITH HEAT DISSIPATION FUNCTION

Resumen de: US20260235369A1

A radiator includes a base, a tubular structure, a plurality of fins and a spiral structure. The base has a water input port and a water output port. The tubular structure is coupled to the base and is further connected with the water input port and the water output port. A spiral structure is arranged inside the tubular structure, or the inner surface of the tubular structure has a delay structure formed by a plurality of bumps for improving heat dissipation efficiency of water. The tubular structure runs through the plurality of fins. In addition, the radiator of the present invention is applied to a hydrogen generator. The base of the radiator is directly and integrally formed with the upper cover of the water tank of the hydrogen generator, and the assembly can be completed only by coupling the base to the tube, thereby reducing the assembly process.

FUEL CELL - ELECTROLYZER OR REVERSIBLE FUEL CELL SYSTEM AND METHODS OF OPERATING THEREOF WITH A REDUCED CARBON FOOTPRINT

Resumen de: US20260237702A1

0000 A power generation system includes an electrolyzer system configured to generate hydrogen using power received from a power grid, a hydrogen storage device configured to store generated hydrogen, a fuel cell system configured to generate power for a load using at least one of hydrogen received directly from the electrolyzer system, hydrogen received from the hydrogen storage device, or a hydrocarbon fuel received from a hydrocarbon fuel supply, and a controller configured to determine a CO<2 >per kWh power grid emission rate (GER) of a power grid electrically connected to the power system, and control operation of the fuel cell system and the electrolyzer system based on a comparison between the GER, a CO<2 >per kWh hydrocarbon fuel (e.g., natural gas) emission rate of the fuel cell system (NER), and a CO<2 >per kWh target emission rate (TER) that is less than the NER.

ELECTROCHEMICAL TWIN REACTOR

Resumen de: WO2026167416A1

The underlying invention is related to a device and a process for the direct production of an energy storing fluid from a reactant and an electrolyte in an electrochemical twin reactor, comprising a first reactor part which has at least one anode and an electrolyte for dissolving the reactant and a second reactor part which is comprising at least one further anode and a further electrolyte as a hydrogen source.

PROCESS FOR PREPARING METHANOL

Resumen de: WO2026167020A1

The invention relates to a method for preparing methanol, comprising the method steps of: a) acidifying seawater and heating same to at least 45°C, b) removing oxygen from the gas mixture obtained in step a) while preserving carbon dioxide, c) distilling some of the low-carbon-dioxide seawater remaining in step a) to obtain distilled water and brine, d) electrolysing the distilled water, e) obtaining acid and an alkaline residue from the brine, f) using the acid obtained in step e) to acidify the seawater in step a), g) recovering at least some of the waste heat produced in steps b) to e) and using same for heating the seawater in step a), h) synthesising methanol from the hydrogen from step d) and the carbon dioxide from step b) and separating the methanol from the product mixture.

KATALYSATORBESCHICHTETE MEMBRAN UND WASSERELEKTROLYSEZELLE

Resumen de: DE102025105318A1

Die Erfindung betrifft eine katalysatorbeschichtete Membran (100) mit einer Kathode (5a), einer Anode (5b) und einer zwischen der Kathode (5a) und der Anode (5b) liegenden lonomermembran (2), zur Anwendung in der Wasserelektrolyse, wobei die lonomermembran (2) eine erste Oberfläche (2a) und eine zweite Oberfläche (2b) aufweist und die erste Oberfläche (2a) eine erste aktive Fläche (3a) und die zweite Oberfläche (2b) eine zweite aktive Fläche (3b) aufweist, wobei die erste aktive Fläche (3a) und die zweite aktive Fläche (3b) jeweils mit einer Katalysatorschicht beschichtet sind; wobei die erste aktive Fläche (3a) von einer ersten passiven Fläche (4a) und die zweite aktive Fläche (3b) von einer zweiten passiven Fläche (4b) umgeben ist; die katalysatorbeschichtete Membran (100) ferner umfassend eine Folie (12), die einen Außenumfang (11) der lonomermembran (2) umgibt ohne mit der lonomermembran (2) zu überlappen, wobeia) wenn eine Schichtdicke der Folie (12) größer ist als eine Schichtdicke der lonomermembran (2), ein Unterschied der Schichtdicke der Folie (12) und der Schichtdicke der lonomermembran (2) in Schichtdickenrichtung (Z), senkrecht zur Schichtausdehnungsrichtung (XY), weniger als 50 µm, bevorzugt weniger als 30 µm, weiter bevorzugt weniger als 20 µm, noch weiter bevorzugt weniger als 10 µm und am meisten bevorzugt weniger als 5 µm beträgt undb) wenn die Schichtdicke der lonomermembran (2) größer ist als die Schichtdicke der Folie (12), ein Unt

MIXED CATALYST LAYERS FOR ELECTROLYTIC CELLS

Resumen de: US20260234818A1

0000 Systems, methods, and devices for enhancing catalyst layer performance in electrolytic cells are described. The enhanced catalyst layers include a catalyst mixture having catalyst particles and corrosion-resistant, conductive nanoparticles to optimize interfacial contact and reduce in-plane discontinuities even at low areal loadings of catalyst particles. For example, a catalyst layer includes a matrix with a homogenous mixture of catalyst particles and corrosion-resistant, conductive nanoparticles. The catalyst particles are configured to promote water electrolysis. The catalyst particles include iridium and have a high surface area. The corrosion-resistant, conductive nanoparticles are configured to resist oxidation, to reduce packing discontinuities of the catalyst particles, and to provide an electrically conductive bridge between the catalyst particles. The matrix is configured to support the catalyst particles and the corrosion-resistant, conductive nanoparticles.

ELECTROLYSIS PLANT WITH MUTUALIZATION AND MODULARIZATION FOR HYDROGEN PRODUCTION

Resumen de: AU2025215616A1

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.

PREPARATION OF PHOSPHATE-MODIFIED CARBON QUANTUM DOT NICKEL-BASED CATALYST AND USE THEREOF IN ALKALINE SEAWATER ELECTROLYSIS

Resumen de: WO2026166566A1

Preparation of phosphate-modified carbon quantum dot nickel-based catalyst and use thereof in alkaline seawater electrolysis, belonging to the technical fields of electrocatalysis and hydrogen production by seawater electrolysis. The method of preparing the present phosphate-modified carbon quantum dot nickel-based catalyst comprises the following steps: mixing citric acid and urea in water to obtain a carbon quantum dot precursor solution; and mixing the carbon quantum dot precursor solution, phytic acid, and a nickel substrate, then allowing for the reaction thereof so as to obtain the phosphate-modified carbon quantum dot nickel-based catalyst. In the present invention, a phosphate-modified carbon quantum dot nickel-based catalyst is designed by introducing a composite modification layer of carbon quantum dots and phosphate onto the surface of a nickel substrate. The synergistic effect of PO4 groups and CDs in the catalyst markedly improves OER activity, thereby allowing the catalyst to exhibit excellent oxygen evolution reaction activity and long-term stability in alkaline seawater containing Br- and Cl-.

A METHOD FOR HEATING UP ELECTROLYTIC UNITS OF AN ELECTROLYSIS PLANT AND A SYSTEM ASSOCIATED THEREWITH

Resumen de: AU2025216381A1

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.

METHOD FOR PRODUCING AN ELECTRODE HAVING A NOBLE METAL CATALYST FOR ALKALINE WATER ELECTROLYSIS

Resumen de: AU2025216225A1

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.

HYDROGEN PRODUCTION FACILITY AND METHOD

Nº publicación: AU2025215475A1 13/08/2026

Solicitante:

RELY S A
JOHN COCKERILL HYDROGEN BELGIUM SA
TECHNIP ENERGIES FRANCE
RELY S.A.
JOHN COCKERILL HYDROGEN BELGIUM SA
TECHNIP ENERGIES FRANCE

Resumen de: AU2025215475A1

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.