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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.

HYDROGEN CARRIER MANUFACTURING SYSTEM, CONTROL APPARATUS, AND HYDROGEN CARRIER MANUFACTURING METHOD

Resumen de: US20260233991A1

0000 A hydrogen carrier manufacturing system includes a hydrogen manufacturing device configured to manufacture hydrogen by using power; a hydrogen tank configured to store the hydrogen manufactured by the hydrogen manufacturing device; and a plurality of hydrogen carrier manufacturing devices configured to convert the hydrogen stored in the hydrogen tank into different types of hydrogen carriers.

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.

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).

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.

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-.

WATER ELECTROLYSIS SYSTEM AND SYNTHETIC COMPOUND PRODUCTION SYSTEM

Resumen de: WO2026168071A1

This water electrolysis system comprises: a water separation tank that is connected to a water electrolysis cell stack and that stores water discharged therefrom; an external water supply path that supplies normal-temperature external water; a water circulation path that is provided with a water circulation pump, that is connected to the water separation tank and the external water supply path, and that circulates the water in the water separation tank via the external water supply path; an ion exchange resin provided on the downstream side of a part where the external water supply path merges with the water circulation path; a cooling unit that cools the water in the water circulation path so that the temperature of the water that merges with the external water and flows into the ion exchange resin, and has a temperature higher than normal temperature, falls below a prescribed ion exchange resin upper limit temperature; and a water supply path that serves as a path separate from the water circulation path, said water supply path being provided with a water supply pump, heating the water from the water separation tank through use of a heating unit, and supplying the heated water to the water electrolysis cell stack.

HYDROGEN PRODUCTION FACILITY AND METHOD

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.

HYDROGEN PRODUCTION FACILITY AND METHOD

Resumen de: AU2025215031A1

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.

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.

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.

INTEGRATED PROCESSES FOR UTILIZING SYNTHESIZED AND STORED METHANOL

Resumen de: US20260234085A1

The present disclosure relates generally to integrated processes for the production, storage, and use of methanol. In one aspect, the present disclosure provides a process for producing a H2/CO stream, the process comprising for a first period of time, synthesizing methanol by hydrogenation of CO2, and decomposing a second feed stream including the methanol to form CO and H2; and for a second period of time, decomposing a third feed stream comprising stored methanol to form CO and H2. A synthesized methanol fraction of the second feed stream is substantially greater than a synthesized methanol fraction of the third feed stream.

HYDROGEN PRODUCTION SYSTEM AND METHOD FOR CONTROLLING HYDROGEN PRODUCTION SYSTEM

Resumen de: AU2024424555A1

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.

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.

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.

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

HYDROGEN PRODUCTION VIA AMMONIA DECOMPOSITION ON WATER MICRODROPLETS

Resumen de: WO2026170113A1

A method for hydrogen production includes providing an aqueous solution comprising ammonia, generating a spray in a reaction chamber from the aqueous solution, the spray comprising water microdroplets, and collecting hydrogen from the reaction chamber produced via decomposition of the ammonia along a gas-liquid interface of the water microdroplets.

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

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.

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.

ZERO-CARBON GLASS KILN PROCESS

Nº publicación: EP4790030A1 12/08/2026

Solicitante:

SHANGHAI YUANHAN ENERGY & CHEMICAL TECH CO LTD [CN]
Shanghai Yuanhan Energy & Chemical Technology Co., Ltd.

Resumen de: EP4790030A1

Provided is a zero-carbon glass furnace process, a system required for the process includes a photovoltaic power generation unit, an air separation unit, a water electrolysis hydrogen production unit, a mixer, a methanation unit, a first waste heat boiler, a reforming unit, a glass furnace, a second waste heat boiler, and a dedusting and desulfurization unit. The present disclosure adopts green electricity to produce green oxygen, green nitrogen and green hydrogen; flue gas of the glass furnace is circularly enriched into a high concentration of carbon dioxide (95.0v% or higher), which is methanized with green hydrogen to produce methane, and the methane is reformed with carbon dioxide and water vapor to produce carbon monoxide and hydrogen; the carbon monoxide and hydrogen are used as fuel of the glass furnace, the oxygen and carbon dioxide are mixed into carbon-based enriched oxygen as a combustion aid of the glass furnace, and the excess carbon dioxide is sold externally, achieving the purpose of green, energy-saving, almost nitrogen oxide-free and zero carbon.