Alerta

ELECTROLYSIS DEVICE WITH NATURAL CIRCULATION

Resumen de: AU2023326035A1

The invention relates to an electrolysis device (1) for producing hydrogen through electrochemical reaction from an aqueous alkali solution, wherein the electrolysis device (1) comprises an anodic half cell (2) and a cathodic half cell (3). The anodic half cell (2) and the cathodic half cell (3) are separated by means of a membrane (4) and the alkali solution can flow through the cathodic half cell (3). The anodic half cell (2) comprises an anodic electrode (5) and the cathodic half cell (3) comprises a cathodic electrode (6), wherein the anodic electrode (5), the cathodic electrode (6) and the membrane (4) form a membrane-electrode unit (7). Furthermore, in normal operation of the electrolysis device, an initial fill quantity of alkali solution in the cathodic half cell (3) can be changed only by diffusion processes through the membrane-electrode unit (7) and/or by electrochemical reaction of the alkali solution in the membrane-electrode unit (7).

Preparation Method of Spindle-shaped W@CuO Material with Adjustable Included Angle

Resumen de: US2025074784A1

A preparation method and application of spindle-shaped W@CuO material with adjustable included angle includes the steps of: preparing a copper source solution and adding to a mixture of anionic surfactant and n-butanol; adding a tungsten source solution and dripping an alkali solution, then carrying out hydrothermal reaction, centrifugation, washing and drying. By controlling the growth rate of the high-energy surface at the water-oil interface with the salt concentration, surfactant concentration, supersaturation of water and n-butanol solutions, the monodispersed spindle-shaped structure with unique microstructure and an included angle of 27-74° can be prepared. The surface of W@CuO materials with different included angles shows different electric field strengths, which can effectively modulate the charge transfer during the catalytic process and improve the catalytic reaction activity. The unique spindle-shaped structure makes it have excellent hydrogen evolution performance in alkaline electrolysis of water.

HEAT RECOVERY SYSTEM FOR HYDROGEN PRODUCTION WITH SOLID OXIDE ELECTROLYSIS CELL

Resumen de: US2025075345A1

A heat recovery system for hydrogen production with a solid oxide electrolysis cell, including a water storage tank, a solar cell panel, a low-temperature metal hydrogen storage tank, an evaporator, a high-temperature metal hydrogen storage tank, a heat exchanger, a solid oxide electrolysis cell, a separator, and a reactor is provided. After water in the water storage tank sequentially passes through the solar cell panel, the low-temperature metal hydrogen storage tank, the evaporator, the high-temperature metal hydrogen storage tank, and the heat exchanger for multi-stage heat exchange, water vapor reaching the working temperature enters the solid oxide electrolysis cell. The hydrogen generated after electrochemical reaction and unused water vapor flow out from the solid oxide electrolysis cell, firstly exchange heat with to-be-reacted water vapor through the heat exchanger and then enter the separator.

COUNTER FLOW ELECTROCHEMICAL REACTOR AND METHOD OF USE

Resumen de: WO2025048953A1

Herein discussed is a method of producing hydrogen or carbon monoxide or both comprising: (a) providing an electrochemical reactor comprising an anode, a cathode, and a mixed-conducting electrolyte between the anode and the cathode, (b) introducing a first fluid to the anode, wherein the first fluid provides a reducing atmosphere for the anode, and (c) introducing a second fluid to the cathode, wherein the second fluid provides a reducing atmosphere for the cathode, wherein the direction of the bulk flow of the first fluid is opposite that of the second fluid at every location along the length of the anode, and wherein the direction of the bulk flow of the first fluid changes in the reactor.

GENERATION DEVICE

Resumen de: WO2025047881A1

The present invention efficiently generates appropriate amounts of helium 3 and oxygen 18.　This generation device (1) for generating helium 3 and oxygen 18 by reacting hydrogen and water comprises: a first electrode (3) composed of a first metal having a face-centered cubic lattice structure having crystal grain boundaries in which hydrogen is occluded; a second electrode (4) provided so as to face the first electrode (3); a chamber (2) for holding the first electrode (3) and the second electrode (4) so that an aqueous solution is present between the first electrode (3) and the second electrode (4); and a control unit (10) for vibrating the first electrode (3) and the second electrode (4) or vibrating the aqueous solution in a direction perpendicular to the orbital direction of a femto hydrogen molecule generated at the first electrode (3).

ELECTRODE INCLUDING OXYGEN GENERATING ELECTRODE CATALYST, AND METHOD FOR MANUFACTURING SAME

Resumen de: WO2025047548A1

An objective of the present invention is to provide at least one among: an electrode containing a manganese oxide which suppresses the elution of manganese during water electrolysis without reducing hydrogen productivity; and a method for manufacturing the electrode.　The electrode includes a conductive substrate, and an oxygen generating electrode catalyst containing iridium-manganese oxide. The content of iridium per geometric area of the conductive substrate is less than 10 μg/cm2.

WATER ELECTROLYSIS SYSTEM AND METHOD FOR OPERATING WATER ELECTROLYSIS SYSTEM

Resumen de: WO2025047069A1

Provided are: a water electrolysis system capable of providing an adjustment force solely by the water electrolysis system; and a method for operating the water electrolysis system. This water electrolysis system generates hydrogen gas and oxygen gas as generated gases from water by applying grid power to a plurality of water electrolysis stacks through a rectifier, and adjusts power consumption in accordance with an instruction to provide adjustment force, and is characterized in that, when the instruction to provide the adjustment force is received within a contract time zone in which provision of the adjustment force is contracted, the amount of water supplied to the water electrolysis stacks, the temperature of the water electrolysis stacks, and pressure can be controlled according to the amount of power obtained by adding, to the amount of power consumption of the water electrolysis stacks, the amount of power of the adjustment force to be provided.

DUAL HYDROGEN SOURCE FOR HYDROGENATION REACTORS

Resumen de: WO2025049801A1

The systems and methods disclosed herein relate to facilities having hydrogenation reactors that may receive hydrogen from multiple sources. Systems and methods where a portion of the hydrogen is produced in a local power electrolysis system facility are also disclosed.

REDUCING COMPOSITIONS AND PROCESSES FOR PRODUCING THE SAME

Resumen de: US2025074800A1

The present disclosure describes a process for producing a reducing liquid comprising providing a liquid; providing a reducing gas and/or a metasilicate; and infusing the reducing gas and/or the metasilicate to the liquid, for the reducing gas and/or metasilicate to react with the liquid to produce a reducing liquid that has an oxidation reduction potential (ORP) value of about −100 mV or more negative. Further described is the process for preparing a reducing gas, which includes the steps of preparing an activator, introducing the activator into an electrolytic reactor, adding water, and applying a direct current to produce the reducing gas. Also described is a system for producing a reducing liquid.

POLYCYLOOLEFINIC POLYMERS AND ANION EXCHANGE MEMBRANES DERIVED THEREFROM

Resumen de: US2025075029A1

Embodiments in accordance with the present invention encompass a variety of polymers derived from polycyclic olefin monomers, such as hydrocarbon functionalized norbornenes. The polymers so formed function as ionomers and are suitable as anion exchange membrane for fabricating a variety of electrochemical devices, among others. More specifically, the ionomeric polymers used herein are derived from a variety of quaternized amino functionalized norbornene monomers and are lightly crosslinked (less than ten mol %). The membranes made therefrom exhibit very high ionic conductivity of up to 198 mS/cm at 80° C. This invention also relates to using an anion conducting solid polymer electrolyte as the ion conducting medium between the two electrodes and the ion conducting medium within the electrodes acting as the ionic conduit between electroactive material and electrolyte. The electrochemical devices made in accordance of this invention are useful as fuel cells, gas separators, and the like.

System and process for producing synthetic fuels without emitting carbon dioxide

Resumen de: US2025075139A1

A plant for the production of synthetic fuels, in particular jet fuel (kerosene), crude petrol and/or diesel, includes:a) a synthesis gas production unit for the production of a raw synthesis gas from methane, water and carbon dioxide, the synthesis gas production unit having at least one reaction section in which methane, water and carbon dioxide react to form the raw synthesis gas, and at least one heat generation section in which the heat necessary for the reaction of methane and carbon dioxide to produce the raw synthesis gas is generated by burning fuel to form flue gas,b) a separation unit for separating carbon dioxide from the raw synthesis gas produced in the synthesis gas production unit,c) a Fischer-Tropsch unit for the production of hydrocarbons by a Fischer-Tropsch process from the synthesis gas from which carbon dioxide has been separated in the separation unit, andd) a refining unit for refining the hydrocarbons produced in the Fischer-Tropsch unit into synthetic fuels,the plant further comprising e 1) a separation unit for separating carbon dioxide from the flue gas discharged from the synthesis gas production unit via the flue gas discharge line and/or e 2) a flue gas return line which is connected to the heat generation section of the synthesis gas production unit, wherein i) the carbon dioxide separated from flue gas or the flue gas itself via the flue gas return line and ii) the carbon dioxide separated from the raw synthesis gas are either fed directly to

PACKAGE STRUCTURE, PREPARATION METHOD FOR PACKAGE STRUCTURE, AND DISPLAY PANEL

Resumen de: US2025081802A1

A package structure, a preparation method for the package structure, and a display panel are provided. The package structure includes a first inorganic layer, a photocatalytic layer, and a second inorganic layer that are sequentially stacked, where the photocatalytic layer includes a photocatalytic material and a co-catalyst. The photocatalytic material and the co-catalyst are used cooperatively to catalyze the decomposition of water vapor, the photocatalytic material includes graphitic carbon nitride (g-C3N4) particles, and the co-catalyst includes perylene tetracarboxylic acid (PTA). The photocatalytic layer possesses high catalytic efficiency and excellent stability. In the case where cracks are generated at the package structure, water vapor invading through the cracks is decomposed and consumed through an oxidation-reduction reaction, and then decomposition products are respectively discharged.

BIPOLAR PLATE, END PLATE AND ALKALINE ELECTROLYZER

Resumen de: WO2025045025A1

The present application provides a bipolar plate, an end plate and an alkaline electrolyzer. The positions of a first alkali liquor inlet through hole group and a second alkali liquor inlet through hole group are rationally arranged at the bottom of an electrode frame, such that when the bipolar plate is applied to the alkaline electrolyzer, alkali liquor firstly enters a first alkali liquor inlet channel formed by first through holes of the first alkali liquor inlet through hole group and a second alkali liquor inlet channel formed by first through holes of the second alkali liquor inlet through hole group from one end of the alkaline electrolyzer. After arriving at the other end of the alkaline electrolyzer, the alkali liquor enters individual electrolysis cells from second through holes of the first alkali liquor inlet through hole group and second through holes of the second alkali liquor inlet through hole group, so as to realize uniform distribution of the alkali liquor, and solves the problem of the uneven distribution of the alkali liquor caused by the excess length of an electrolyzer body of a large alkaline electrolyzer, thus preventing the operating conditions of the alkaline electrolyzer from getting worse, improving the efficiency of hydrogen production, and finally achieving the purpose of saving the electric energy consumption of the alkaline electrolyzer.

Verfahren zum Betreiben einer Elektrolyseanlage, Prozessleitsystem

Resumen de: DE102023208469A1

Die Erfindung betrifft ein Verfahren zum Betreiben einer Elektrolyseanlage mit mindestens einem Stack, bei dem eine maximale Stackspannung (Umax) vorgegeben wird, die den Beginn einer ersten Phase (I) am Lebenszeitende des Stacks definiert, und mit Erreichen der maximalen Stackspannung (Umax) der Betriebsparameter Temperatur (T) bei konstanter Stromdichte (iDens) in dem Maße erhöht wird, dass die maximale Stackspannung (Umax) zumindest über die erste Phase (I) des Lebenszeitendes gehalten wird.Die Erfindung betrifft ferner ein Prozessleitsystem zur Ausführung von Schritten des erfindungsgemäßen Verfahrens.

ELECTRODE, MEMBRANE ELECTRODE ASSEMBLY, ELECTROCHEMICAL CELL, STACK, AND ELECTROLYZER

Resumen de: EP4516965A2

An electrode according to an embodiment including a support and a catalyst layer provided on the support and alternately stacked with sheet layers and gap layers. The catalyst layer is for electrolysis. The catalyst layer comprises a first metal which is one or more elements selected from the group consisting of Ir, Ru, Pt, Pd, Hf, V, Au, Ta, W, Nb, Zr, Mo, and Cr, and a second metal which is one or more elements selected from the group consisting of Ni, Co, Mn, Fe, Cu, Al, and Zn. The catalyst layer comprises a first region and a second region. The first metal in the first region is more oxidized than the first metal in the second region. A ratio of the second metal in the first region is greater than the ratio of the second metal in the second region.

PHOTOCATALYTIC WATER SPLITTING WITH SEPARATE H2 AND O2 PRODUCTION

Resumen de: AU2023262052A1

A water splitting system includes a hydrogen production chamber including a hydrogen production port, an oxygen production chamber including an oxygen collection port, an ion exchange membrane coupling the hydrogen production chamber and the oxygen production chamber, and a photocatalytic structure including a first catalytic portion disposed in the hydrogen production chamber and a second catalytic portion disposed in the oxygen production chamber. The first catalytic portion is configured for production of hydrogen via the hydrogen production port. The second catalytic portion is configured for production of oxygen via the oxygen production port.

SYSTEM FOR CAPTURING AND RECYCLING CARBON DIOXIDE AND PRODUCING HYDROGEN FOR CEMENT MANUFACTURING FACILITY

Resumen de: EP4516383A1

The present invention relates to a system for capturing and recycling carbon dioxide and producing hydrogen for a cement manufacturing facility. An embodiment of the present invention is characterized by comprising: a preheater that has a plurality of stages of cyclones arranged in series in a vertical direction and receives and preheats a cement raw material; a calciner that calcines the cement raw material preheated by the preheater; a kiln that fires the cement raw material calcined in the calciner; an exhaust line, connected to the cyclones of the preheater, that discharges exhaust gas discharged from each of the calciner and the kiln to the outside; a reactor, disposed on the exhaust line, that receives the exhaust gas and reacts the exhaust gas with a basic alkali mixed solution to capture carbon dioxide in the exhaust gas, collect a reactant including the captured carbon dioxide, and separate a carbon dioxide reactant and a waste solution from the reactant; and a hydrogen generator that generates hydrogen gas by receiving the carbon dioxide reactant separated from the reactor.

CARBON DIOXIDE CAPTURE AND CARBON RESOURCE UTILIZATION SYSTEM, FOR FUEL CELL, USING BOIL-OFF GAS GENERATED FROM LIQUEFIED NATURAL GAS

Resumen de: EP4517889A1

A carbon dioxide capture and carbon resource utilization system, for a fuel cell, using boil-off gas (BOG) generated from liquefied natural gas (LNG) of the present invention comprises: a liquefied natural gas storage which stores liquefied natural gas therein; a hydrocarbon reformer which generates a gas mixture containing hydrogen and carbon dioxide by reacting boil-off gas generated from the liquefied natural gas storage with water introduced from the outside; a fuel cell which receives hydrogen generated from the hydrocarbon reformer to generate electric power; a reactor which receives carbon dioxide generated from the hydrocarbon reformer to react the carbon dioxide with a basic alkali mixture solution, thereby capturing carbon dioxide, collects a reaction product containing the captured carbon dioxide, and separates a carbon dioxide reaction product and a waste solution from the reaction product; and a hydrogen generator which generates hydrogen by using the carbon dioxide reaction product separated from the reactor and supplies the generated hydrogen to the fuel cell.

NEW ENERGY HYDROGEN PRODUCTION SYSTEM AND CONTROL METHOD THEREFOR

Resumen de: EP4516969A1

The present application provides a new energy hydrogen production system and a control method therefor. In the new energy hydrogen production system, a new energy input module supplies power to electrolytic cells by means of a power conversion module; and a control system of the new energy hydrogen production system is used for controlling, according to the power of the new energy input module, the power conversion module to work, such that among N electrolytic cells in an operation state, at least N-1 electrolytic cells work in a preset load range. The preset load range is a corresponding load range having the highest system efficiency in an electrolytic cell working range division result prestored in the control system, i.e., the present application can enable as many electrolytic cells as possible to respectively work in the preset load range having the highest system efficiency, and therefore, the system efficiency is improved and is optimized to the extent possible.

Green hydrogen production

Resumen de: GB2633015A

A method for isolating the portion of a chemical product of a chemical reaction produced using energy from renewable sources is described. The chemical reaction requires an energy input derived from renewable sources, non-renewable sources, or a combination of such sources. The method comprises obtaining a total chemical product of the chemical reaction; providing (i) the amount of energy input into the chemical reaction derived from renewable sources and (ii) the amount of chemical product produced by the chemical reaction; using (i) and (ii) to determine the portion of the total chemical product produced using energy from renewable sources. The portion of chemical product produced using energy from renewable sources is separated from the total chemical product. Also provided is an apparatus to produce at least one chemical product able to separate the portion of the chemical product produced using energy from renewable sources from the chemical product output.

A hydrogen buffer tank for improving facility integrity and produce high hydrogen

Resumen de: KR20250030279A

본 발명은 수전해 설비 장치로부터 생산된 수소로부터 산소 및 수분을 제거하는 고순도 수소를 생산하는 수소 저장탱크는, 수전해 설비 장치로부터 생산된 수소를 정화하는 수소 정화장치, 수소 저장탱크에 수소를 공급하는 수소 정화장치를 연결하는 수소 공급라인, 수소 공급라인의 단부에는 수소 저장탱크의 중심과는 벗어난 편심 위치로 배치되는 수소 공급라인(210)의 인입배관, 수소 저장탱크에 질소 퍼지라인을 통하여 질소(N2)를 유입시키는 질소 퍼지장치, 응축된 응축수를 수소 저장탱크의 하부에서 배수 밸브를 구비하는 배수 라인을 통하여 배출하는 배수구, 수소 저장탱크의 상부에는 가스 배출용 배출라인이 구비된 가스 배출구 및 수소 저장탱크 생산된 고순도 수소를 가압하여 저장하는 가압기 또는 연료전지 장치로 이송시키는 고순도 수소 이송라인을 포함하는 것을 특징으로 하는 수소 저장탱크에 관한 것이다.

STACK-TYPE ELECTROLYZER FOR OBTAINING HYDROGEN AND OXYGEN FROM THE ELECTROCATALYTIC BREAKDOWN OF A WATER-BASED ELECTROLYTE

Resumen de: EP4516964A1

The invention relates to a stack-type electrolyzer for obtaining hydrogen and oxygen, provided with lateral closure caps (2) and cells (3), each cell (3) comprising: a current collector anode plate (5a) and cathode plate (5b); one porous transport layer (7,8) comprising a conductive porous material that is a hard magnet, a semi-hard magnet or a soft magnet, a first catalysts for the anode plate (5a) and a second catalysts for the cathode (5b) plate; and a first arrangement of magnets (6), that are hard or semi-hard, attached to the current collector anode plate (5a), and/or to the current collector cathode plate (5b).

METHOD AND PLANT FOR OBTAINING A HYDROGEN-CONTAINING PRODUCT USING AMMONIA

Resumen de: EP4516728A1

Die Erfindung betrifft Verfahren und eine Anlage (100) zur Herstellung eines Wasserstoff enthaltenden Produkts, wobei Ammoniak (2) in einem Ammoniakcracker (20), dem Wärme zugeführt wird, umgesetzt wird, wobei der Ammoniakcracker (20) ein Katalysatorbett mit mindestens zwei Katalysatorsegmenten (20a, 20b, 20c) aufweist, wobei in einem ersten Katalysatorsegment (20a) ein Teil des Ammoniaks (2) unter Verwendung eines ersten Katalysators bei einer ersten Mindesttemperatur umgesetzt wird und in einem zweiten Katalysatorsegment (20b), das stromabwärts des ersten Katalysatorsegments (20a) angeordnet ist, ein weiterer Teil des Ammoniaks (2) unter Verwendung eines zweiten Katalysators bei einer zweiten Mindesttemperatur umgesetzt wird.

WIND-POWERED HYDROGEN PLANT

Resumen de: EP4518077A1

The invention is about a wind-powered hydrogen plant (1) with a wind turbine (2) electrically coupled to an electrolysis system (3) with rows of electrolyser stacks (4), the wind turbine (2) comprising a generator (5) with a rotor (6) and a stator (7), the stator (7) being divided into winding segments (8) with an electrical insulation between individual winding segments (8), the number of which is a multiple of three, each group of three winding segments (8) forming a three-phase system connecting to one of individual rectifier circuits (9), and the electrolysis system (3) comprising individual DC/DC converters (10), each connected to a row of electrolyser stacks (4), wherein a DC output power of all individual rectifier circuits (9) is kept separated and the individual rectifier circuits (9) are each directly connected to one of the individual DC/DC converters (10). The invention also relates also to a method for converting wind energy into electrical energy for the operation of an electrolysis system (3).

System and process for cracking ammonia

Nº publicación: GB2633197A 05/03/2025

Solicitante:

JOHNSON MATTHEY PLC [GB]
Johnson Matthey Public Limited Company

Resumen de: GB2633197A

Producing hydrogen by catalytically cracking ammonia 14 comprises: a main ammonia cracking reactor 4 with catalyst 8 and a fuel combustion zone 10 surrounding the reaction tubes 6 to generate a main hydrogen containing gas stream 11, and an auxiliary ammonia cracking reactor 12 to generate an auxiliary hydrogen containing gas stream 16. A portion 18 of the auxiliary hydrogen containing gas stream 16 is directed to the ammonia cracking catalyst 8 of the main reactor 4 and a portion 20 of this gas stream 16 is directed to the combustion zone 10 of the main ammonia cracking reactor 4.