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371
results.
Updated on
14/02/2026 [07:03:00]
Results 275 to 300 of 371
Absstract of: EP4671196A1
Title: Integrated process of ammonia cracking and reverse water gas shiftProcess for the production of carbon monoxide, said process comprising:• providing an ammonia stream and a carbon dioxide stream,• performing an endothermic cracking reaction of said ammonia stream for producing a cracked gas (5) comprising hydrogen and nitrogen,• performing a reverse water gas shift reaction with said hydrogen from the cracked gas and said carbon dioxide stream as reactants, for producing a product gas (6) comprising carbon monoxide and water.
Absstract of: WO2024217742A1
A wind turbine is provided that comprises a nacelle (10) arranged on a wind turbine tower (103) and comprising an electrical power generation system (20), a nacelle housing (11) of the nacelle, wherein the nacelle housing (11) houses at least part of the electrical power generation system (20), and a hydrogen production system (30) including a hydrogen production unit (36). The hydrogen production unit (36) comprises an electrolyzer (31) configured to receive electrical power from the electrical power generation system (20), wherein the hydrogen production unit (36) is mounted to a top of the nacelle (10) outside of the nacelle housing (11).
Absstract of: KR20250179915A
본 발명은 초순수 제조 및 저장부, 산소 물 분리부, 수전해부(Electrolyzer), 전력공급부, 수소 물 분리부 및 수소 관리부를 포함하고, 상기 초순수 제조 및 저장부는 순수 생성기, 순수 생성기(410)에서 유출된 순수를 저장하는 순수 탱크, 순수 탱크로부터 순수를 소정의 압력으로 송출하는 제1 펌프를 포함하고, 상기 산소 물 분리부는 산소 물 분리탱크, 산소 물 분리 탱크로부터 물을 소정의 압력으로 송출하는 제2 펌프, 제2 펌프에서 송출된 물의 일부를 50℃ ~ 60℃ 온도로 가열하는 제1 히터, 제2 펌프에서 송출된 물의 다른 일부를 열교환하는 제1 열교환기, 상기 제1 열교환기에서 송출된 상기 물의 다른 일부에 포함된 이온을 제거하여 상기 산소 물 분리탱크에 공급하는 이온교환수지컬럼를 포함하는 고압 수소 생산 시스템을 제공한다.
Absstract of: EP4671415A1
A separator for water electrolysis comprising a cathode facing side (101) and an anode facing side (201), characterized in that the cathode- and anode facing sides are visually distinct.
Absstract of: MA71510A1
A system and a method for stabilizing hydrogen flow to a downstream process in a facility determining a hydrogen density and pressure profiles in the hydrogen storage unit for different target net hydrogen flows at different time intervals of a time horizon of a renewable power availability profile, determining an operating target net hydrogen flow of a hydrogen feed to the downstream process, determining a target direct hydrogen flow of a hydrogen feed and a target stored hydrogen flow of a hydrogen feed to the downstream process, and controlling the operation of the downstream process based on the operating target hydrogen flows.
Absstract of: CN120981991A
The invention relates to a method for regulating the power of a hybrid electrolysis plant (1) connected to a power supply line (3), said hybrid electrolysis plant comprising an alkaline electrolysis cell (5) and a PEM-electrolysis cell (7) connected in parallel to the alkaline electrolysis cell (5) to the power supply line (3). In this case, an electrical input power (PE) is fed into the supply line (3) and an electrical access power (PA) is determined from the supply line (3) by the hybrid electrolysis device (1), a balance between the input power (PE) and the access power (PA) being monitored. Wherein, in the event of an imbalance, the access power (PA) is adjusted to be adapted to the input power (PE), a first access power (P1) of the alkaline cell (5) and/or a second access power (P2) of the PEM cell (7) is adjusted, a first power change rate (R1) over time is applied during the adjustment of the alkaline cell (5), and a second power change rate (R2) over time is applied during the adjustment of the alkaline cell (5). A second power change rate (R2) over time is applied to the PEM cell (7). The invention also relates to a hybrid electrolysis system (1) having an alkaline electrolysis cell (3) and a PEM-electrolysis cell (5), and to an electrolysis system (10).
Absstract of: AU2024213038A1
An electrolyser system and method of electrode manufacture. The electrolyser system may comprise a first vessel in communication with an electrolyser stack, a power supply, an electrode, a separator, a membrane, and a second vessel in communication with the electrolyser stack. The electrode may comprise a catalytic material and a micro- porous and/or nano-porous structure. The method of electrode manufacture may comprise providing a substrate, contacting the substrate with an acidic solution, applying an electric current to the substrate, simultaneously depositing a main material and supporting material comprising a scarifying material onto the substrate, and leaching the scarifying material.
Absstract of: WO2024262446A1
In the present invention, a water electrolysis electrode 1 comprises an electroconductive substrate 10 and a layered double hydroxide layer 20. The layered double hydroxide layer 20 is provided on a surface of the conductive substrate 10. The layered double hydroxide layer 20 has two or more types of transition metals. The contact angle of the surface of the layered double hydroxide layer 20 is 20° to 100°. The contact angle of the surface of the layered double hydroxide layer 20 may be 26° or greater.
Absstract of: KR20250178335A
본 발명에 따른 촉매 구조체의 제조 방법은, 니켈을 포함하는 다공성 지지체 준비하는 단계, 황을 포함하는 제1 소스, 셀레늄을 포함하는 제2 소스, 및 형상제어제를 준비하는 단계, 상기 제1 소스, 상기 제2 소스, 및 상기 형상제어제를 혼합하여 촉매 소스를 제조하는 단계, 및 상기 다공성 지지체 및 상기 촉매 소스를 수열 합성하여 니켈, 황, 및 셀레늄을 포함하는 촉매 로드(rod)를 제조하는 단계를 포함할 수 있다.
Absstract of: WO2025261987A1
A hydrogen extraction system for extracting hydrogen from a liquid electrolyte comprising at least one isotopologue of lithium hydride. The system includes an electrolysis cell comprising: an anode for generating hydrogen from the liquid electrolyte; a cathode spaced apart from the anode; and a solid-state electrolyte comprising a lithium-containing high entropy oxide (HEO) material. The solid-state electrolyte is for physically isolating the cathode from the liquid electrolyte and conducting lithium ions from the liquid electrolyte to the cathode.
Absstract of: WO2026005648A1
The invention can be used in the creation of devices for producing hydrogen as a fuel, inter alia, at energy-intensive industrial facilities. What is proposed is a system for producing hydrogen from superheated steam comprising the following units: a generating unit consisting of the following elements arranged coaxially in a direction from the centre to the periphery: a central electrode, a cathode, a tube sealed at one end and made of a solid oxide electrolyte with oxygen ion conductivity, an anode, and permanent magnets; an electric power unit for supplying a voltage to the cathode, the anode and the central electrode; a control unit; and a gas measuring unit. The control unit receives data from the gas measuring unit and also engages in two-way communication with the electric power unit. The electric power unit, the control unit and the gas measuring unit are combined into a single unit that engages in two-way communication with the generating unit. The gas measuring unit is comprised of a system of sensors. Also proposed is a method for producing hydrogen using the claimed system. The group of inventions makes it possible to simplify the structure of a system for producing hydrogen, to regulate and automate the process, to conduct monitoring, to obtain controlled and efficient feedback, and to expand the existing range of energy-efficient means and methods for producing hydrogen.
Absstract of: WO2025264290A2
A method for performing electrolysis of steam includes receiving a supply of steam from a steam source, wherein the steam has a first value of steam pressure. The method may include passing the steam through an expansion nozzle thereby causing the steam to undergo Joule-Thomson expansion and receiving expanded steam, the expanded steam having a second value of the steam pressure, the second value being smaller than the first value. The method may include feeding the expanded steam to a High-Temperature Steam Electrolyzer to obtain Hydrogen and Oxygen in gaseous states. The method may include feeding the obtained Hydrogen and/or Oxygen gasses to a power plant and/or storing the obtained Hydrogen and/or Oxygen gasses in storage containers.
Absstract of: WO2025263231A1
Provided are: a porous film for water electrolysis, the porous film containing an organic polymer that has a porous structure, wherein both surfaces of the porous film each have five or more pores that have a diameter of 1 µm or more in a 10 μm square area, the average pore diameter is 0.3 µm or less as measured by a bubble point method, and the thickness is 200 µm or less; a method for producing the same; an alkaline water electrolysis member; an alkaline water electrolysis cell; an alkaline water electrolysis device; and a method for producing hydrogen.
Absstract of: WO2025263498A1
Provided are: a catalyst for a hydrogen generation reaction, the catalyst having extremely high catalytic ability in a hydrogen generation reaction and not utilizing any rare metal; a liquid composition or an electrode that contains the catalyst for a hydrogen generation reaction; and a water electrolysis device comprising the electrode. Provided are a catalyst for a hydrogen generation reaction containing an electroconductive material and a metal complex having a specific structure, a liquid composition containing the catalyst for a hydrogen generation reaction, an electrode including the catalyst for a hydrogen generation reaction, and a water electrolysis device comprising the electrode.
Absstract of: WO2025263071A1
An ammonia decomposition system includes: a first decomposition part for thermally decomposing ammonia into nitrogen and hydrogen; a steam supply part for generating steam and supplying the steam to the first decomposition part as a heat source; a recovery line for recovering steam after passage through the first decomposition part; a turbine driven by the steam recovered by the recovery line; and a power generation part for generating electric power by being driven by the turbine.
Absstract of: CN119332296A
The invention relates to the field of electrocatalysts, in particular to an iridium dioxide/molybdenum disulfide/carbon matrix heterostructure electrocatalyst, a preparation method and application. According to the iridium dioxide/molybdenum disulfide/carbon matrix heterostructure electrocatalyst provided by the invention, IrO2 and MoS2 in a heterojunction structure can be mutually adjusted, so that the electrocatalyst has a higher electron transfer rate, excellent hydrophilicity, proper OH * adsorption capacity and a higher deprotonation rate, has better electrochemical performance in catalytic electrolysis of water, and can be used for preparing a high-performance electrocatalyst. In an oxygen evolution reaction, the iridium oxide shows performance far superior to that of commercial iridium oxide, and has relatively low overpotential and relatively high quality activity; good electrochemical performance is shown in the aspect of hydrogen precipitation and is superior to that of commercial Pt/C; and the used material shows relatively low decomposition voltage when being applied to electrolyzed water. Therefore, the IrO2/MoS2/CNT heterostructure catalyst can be widely and deeply applied to electrolyzed water.
Absstract of: WO2025261792A1
An apparatus and a method for synthesizing methanol are disclosed. The apparatus includes a hydraulic pressure generator, a carbon-capturing device, an electrolysis device, and a reactor. The hydraulic pressure generator generates a pressurized water from ocean water. The carbon-capturing device has an electrodialysis unit and a carbon-capture unit. The electrodialysis unit generates an acid, a base, and a desalinated water from a first portion of the pressurized water. The carbon-capture unit generates carbon dioxide by acidification of a second portion of the pressurized water. The electrolysis device receives an input stream of water to generate hydrogen. The reactor receives the carbon dioxide from the carbon-capture unit and the hydrogen from the electrolysis device to synthesize methanol.
Absstract of: WO2025261939A1
The invention relates to an installation (2) comprising an electrochemical device (4) for producing dihydrogen, and a cooling device (6) which has: • a cooling unit (32) for cooling a heat transfer fluid (30); • a heat exchanger (34) configured for the exchange of heat between the heat transfer fluid (30) and at least a portion of the electrochemical device (4); • a decoupling tank (36) fluidically connected between the cooling unit (32) and the heat exchanger (34); • an electrical energy storage unit (26); • at least one electric pump (37) configured to circulate the heat transfer fluid (30) between the decoupling tank (36) and the heat exchanger (34); and • a control unit (28) configured to control the supply of electrical energy to each electric pump (37) by the electrical energy storage unit (26) if a supply fault of the cooling unit (32) is detected.
Absstract of: WO2025263000A1
A plant control device according to the present invention comprises: a signal reception unit that receives a signal including at least one of a power demand, a hydrogen demand, and a steam demand of a production process; and a control unit that, on the basis of the received signal, adjusts at least one of the amount of steam generated by a boiler, the amount of steam supplied to a steam turbine, the amount of steam supplied to an ammonia decomposition device, and the amount of steam supplied to the production process, such that a decrease in the load of the boiler is suppressed.
Absstract of: WO2025262481A1
The present invention relates to an apparatus (1) for the electrochemical generation of gaseous hydrogen starting from an aqueous solution comprising at least one electrolyte, and the related method. The apparatus (1) comprises: - at least one anode (2) arranged, in use, in said aqueous solution; - at least one cathode (3) electrically connected to said anode (2) to form an electrochemical cell, said cathode (3) being arranged, in use, in said aqueous solution, wherein said anode (2) is made of a material comprising at least 90% metallic magnesium.
Absstract of: WO2025263025A1
This water electrolysis system includes: a water electrolysis device including a water electrolysis cell that generates hydrogen by electrolysis; a power supply device capable of supplying, to the water electrolysis device, a drive voltage for causing electrolysis in the water electrolysis cell and a voltage having polarity opposite that of the drive voltage; and a control device that controls the driving of the power supply device. In operation stop processing for stopping the electrolysis caused by the supply of the drive voltage, the control device controls the driving of the power supply device so as to stop the supply of the drive voltage to the water electrolysis device and then supply the opposite polarity voltage to the water electrolysis device.
Absstract of: TW202506536A
A system for the catalytic cracking of ammonia to produce hydrogen, the system comprising: a main ammonia cracking reactor comprising one or more reaction tubes containing ammonia cracking catalyst and a fuel combustion zone surrounding the one or more reaction tubes to provide heat energy to support the cracking of ammonia in the one or more reaction tubes to generate a main hydrogen containing gas stream; and an auxiliary ammonia cracking reactor for cracking ammonia to generate an auxiliary hydrogen containing gas stream, the system being configured to direct the auxiliary hydrogen containing gas stream to both the ammonia cracking catalyst within the one or more reaction tubes of the main ammonia cracking reactor and to the combustion zone of the main ammonia cracking reactor to at least partially fuel the main ammonia cracking reactor.
Absstract of: WO2025262308A1
The invention essentially consists in producing at least one closed loop provided with a heat exchanger in order to achieve indirect thermal coupling by returning at least high-temperature and/or low-temperature waste heat from a production unit (500) for producing at least one synthetic fuel to a thermal power plant (1), wherein the thermal power plant (1) is provided with a system (10) for converting heat into electricity, and wherein the hydrogen required for the production unit is supplied by a hydrogen-production unit (300) that produces hydrogen by electrolysis and is itself thermally coupled to the thermal power plant.
Absstract of: US2025389035A1
The present invention discloses a water electrolysis catalyst suitable for a polymer electrolyte water electrolysis apparatus, and an anode electrode membrane using the catalyst. The water electrolysis catalyst of the present invention is a water electrolysis catalyst containing iridium oxide in a powder form. The iridium oxide powder contains an amorphous iridium oxide powder, and an average particle size of the powder is 0.01 μm or more and 30 μm or less. The water electrolysis catalyst containing the iridium oxide powder of the present invention contains amorphous iridium oxide, shows a specific property in TG-DTA, and exhibits an exothermic peak in a region of 300° C. to 450° C. in the TG-DTA.
Nº publicación: US2025389038A1 25/12/2025
Applicant:
MITSUBISHI HEAVY IND LTD [JP]
MITSUBISHI HEAVY INDUSTRIES, LTD
Absstract of: US2025389038A1
A control device for a hydrogen production apparatus is a control device for controlling operation of a hydrogen production apparatus and includes: an estimated reaching time calculation unit configured to calculate, on the basis of a change rate of a pressure of a storing unit for storing hydrogen produced by the hydrogen production apparatus, an estimated reaching time for the pressure of the storing unit to reach a specified value; a start-up time acquisition unit configured to acquire a start-up time of the hydrogen production apparatus in accordance with a state of the hydrogen production apparatus; and a determination unit configured to determine a start-up timing for starting up the hydrogen production apparatus on the basis of a comparison between the estimated reaching time and the start-up time.
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