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Updated on
13/10/2025 [15:29:00]
Absstract of: JP2024146570A
To appropriately reduce a pressure and a temperature inside an electrolysis module when power supply is cut off due to power outage, etc. without deteriorating facility economic performance.SOLUTION: An electrolysis system 100 comprises: an electrolytic module 10; a steam supply system 40 which supplies steam to a hydrogen electrode; a hydrogen recovery system 50 which recovers hydrogen-enriched steam; an air supply system 20 which supplies air to an oxygen electrode; an oxygen recovery system 30 which recovers exhaust air; a hydrogen-enriched steam discharge system 60 which discharges the hydrogen-enriched steam into the atmosphere from the hydrogen recovery system 50; an exhaust air discharge system 70 which discharges the exhaust air into the atmosphere from the oxygen recovery system 30; a hydrogen-enriched steam discharge valve 63 which is arranged in the hydrogen-enriched steam discharge system 60; an exhaust air discharge valve 73 which is arranged in the exhaust air discharge system 70; and a control unit which performs control so that openings of the hydrogen-enriched steam discharge valve 63 and the opening of the hydrogen-enriched steam discharge valve 63 are adjustable when the electrolytic module 10 is stopped.SELECTED DRAWING: Figure 4
Absstract of: CN120769776A
本发明涉及一种用于氨分解的催化剂和一种氨分解方法。所述催化剂包含载体和由所述载体负载的催化活性组分，所述催化活性组分包含：i)作为第一金属的钌；ii)第二金属；和iii)第三金属，其中，所述第二金属和所述第三金属各自独立地为选自镧(La)、铈(Ce)、铝(A1)和锆(Zr)中的至少一种。
Absstract of: WO2025210353A1
An electrolyser apparatus is provided comprising an enclosure having containing walls defining a fuel space, and an inlet for receiving input fuel such as H2O to be contained in said fuel space. Electrochemical cells located substantially within said enclosure at least partially convert fuel such as H2O into first and second products such as hydrogen and oxygen. The cells are exposed to fuel in the fuel space. There is a first exhaust pathway to receive the first product produced by the electrochemical cells and transport it to the exterior of the enclosure and a second exhaust pathway to receive the second product and transport it to the exterior of the enclosure. The arrangement of each cell in an array preferably defines an active fuel volume adjacent to a fuel side of the cell. At least part of the active fuel volume is open to the fuel space defined by the enclosure. In this way, fuel such as steam may be present between multiple cell stacks and all around the cells, in equal concentration at all points in the fuel volume.
Absstract of: WO2025208810A1
An alkaline water electrolysis device for rapidly, efficiently, and safely scaling up hydrogen production, comprising an alkaline water electrolysis device, a tie rod, a positive electrode end pressure plate/negative electrode end pressure plate, and a disc spring. A bolt is fixedly mounted on the side of the positive electrode end pressure plate/negative electrode end pressure plate close to the disc spring, and a nut is provided on the exterior of the bolt. Alternately arranged bipolar plate assemblies, gaskets, and diaphragms are disposed between the positive electrode end pressure plate and the negative electrode end pressure plate. An electrode frame is provided with a liquid path hole, a gas path hole, a rivet hole, and a positioning hole. A rivet is disposed inside of the rivet hole on the electrode frame, and the rivet comprises a rivet head and a rivet shaft.
Absstract of: AU2025201947A1
In a process in which ammonia is cracked to form a hydrogen gas product and an offgas comprising nitrogen gas, residual hydrogen gas and residual ammonia gas, residual ammonia is recovered from the offgas from the hydrogen recovery process by partial condensation and phase separation, and hydrogen is recovered from the resultant ammonia-lean offgas by partial condensation and phase separation. The recovered ammonia may be recycled the cracking process and the recovered hydrogen may be recycled to the hydrogen recovery process to improve hydrogen recovery from the cracked gas. Overall hydrogen recovery from the ammonia may thereby be increased to over 99%. In a process in which ammonia is cracked to form a hydrogen gas product and an offgas comprising nitrogen gas, residual hydrogen gas and residual ammonia gas, residual ammonia is recovered from the offgas from the hydrogen recovery process by partial condensation and phase separation, and hydrogen is recovered from the resultant ammonia-lean offgas by partial condensation and phase separation. The recovered ammonia may be recycled the cracking process and the recovered hydrogen may be recycled to the hydrogen recovery process to improve hydrogen recovery from the cracked gas. Overall hydrogen recovery from the ammonia may thereby be increased to over 99%. ar a r n a p r o c e s s i n w h i c h a m m o n i a i s c r a c k e d t o f o r m a h y d r o g e n g a s p r o d u c t a n d a n o f f g a s c o m p r i s i n g n i t r o
Absstract of: AU2025200886A1
An electrolysis device includes: an electrolysis cell; a cathode supply flow path; an anode supply flow path; a cathode discharge flow path; an anode discharge flow path; a cathode flow rate regulator to adjust a flow rate A of a cathode supply fluid; an anode flow rate regulator to adjust a flow rate B of a anode supply fluid; a first flowmeter to measure a 5 flow rate C of a cathode discharge fluid; a second flowmeter to measure a flow rate D of a anode discharge fluid; and a control device to estimate a Faraday efficiency according to a relational expression for approximating the Faraday efficiency to a function including the C and D, and control the cathode flow rate regulator according to the estimated Faraday efficiency to control the A. 10 An electrolysis device includes: an electrolysis cell; a cathode supply flow path; an anode supply flow path; a cathode discharge flow path; an anode discharge flow path; a cathode flow rate regulator to adjust a flow rate A of a cathode supply fluid; an anode flow 5 rate regulator to adjust a flow rate B of a anode supply fluid; a first flowmeter to measure a flow rate C of a cathode discharge fluid; a second flowmeter to measure a flow rate D of a anode discharge fluid; and a control device to estimate a Faraday efficiency according to a relational expression for approximating the Faraday efficiency to a function including the C and D, and control the cathode flow rate regulator according to the estimated Faraday 10 efficiency to c
Absstract of: AU2024262429A1
A method by which an environmental energy (e.g., wave energy) is harvested, converted into electrical power, and thereafter used to electrolyze seawater into hydrogen and chlorine gases. Those gases are recombined into hydrogen chloride from which is formed hydrochloric acid solution which is diluted and deposited at a depth sufficient to ensure its neutralization and sequestration for a significant period of time (e.g., for over a millennium). By removing chloride ions from a portion of the sea adjacent to its upper surface and depositing them into a portion of the sea more adjacent to its bottom, acidity is shifted from the surface to base of the sea, and the surface ocean is given a greater ability to absorb and buffer atmospheric carbon dioxide without a corresponding increase in acidity.
Absstract of: US2025316720A1
A novel microfabricated Titanium-based porous transport layer (PTL) is described, for use in a hydrogen electrolytic fuel cell. The novel structure may have improved properties and enable improved utilization of the catalyst layer, which is a key metric for hydrogen fuel systems. The structure is intended to be used with a polymeric membrane and is disposed directly adjacent to the catalytic layer on the cathode side of the structure. The improved performance result from is three dimensions microfabricated design, which allows a large number of tightly controlled through hole structure, which increases the surface area available for the electrolytic reaction.
Absstract of: US2025316736A1
A method for preparing a new polyelectrolyte multilayer coated proton-exchange membrane has been developed for electrolysis and fuel cell applications. The method comprises: applying a polyelectrolyte multilayer coating to a surface of a cation exchange membrane, the polyelectrolyte multilayer coating comprising alternating layers of a polycation polymer and a polyanion polymer to form the polyelectrolyte multilayer coated proton-exchange membrane and optionally treating the polyelectrolyte multilayer coated proton-exchange membrane in an acidic solution. The polycation polymer layer is in contact with the cation exchange membrane.
Absstract of: US2025313963A1
This disclosure relates to methods of forming elemental sulfur and hydrogen gas from hydrogen sulfide. The disclosed methods include contacting a solution including hydrogen sulfide with an electrode for hydrogen evolution and an electrode for sulfur oxidation.
Absstract of: US2025313974A1
The present disclosure relates to systems and methods for increasing efficiency and performance by balancing pressure in electrolytic cell. The present disclosure relates to systems and methods of utilizing different valves for controlling absolute pressure and differential in the electrolytic cell system based on hydrogen demand and the operating state of the system.
Absstract of: US2025313968A1
An object of the present invention is to provide an electrode assembly in which an electrolyte membrane is kept from being deteriorated with durability improved. The present invention provides a membrane electrode assembly including an anode electrode on one surface of an electrolyte membrane and a cathode electrode on the other surface thereof, characterized in that the anode electrode includes a porous substrate (A), the cathode electrode includes a porous substrate (B), and the porous substrate (A) and the porous substrate (B) has a total thickness more than 1,000 μm.
Absstract of: US2025314427A1
There is disclosed a furnace, a fluid feed component, a fluid reforming system, and a method of reforming a fluid. The furnace comprises a vessel that defines a chamber for holding a body of liquid. A fluid inlet is provided for introducing a fluid into the chamber below a level of the body of liquid to cause the fluid to interact with the liquid and to migrate therethrough towards an outlet for discharging a product of the interaction from the chamber. A liquid circulation passage is implemented, having a weir which is operatively located near the level of the body of liquid, and a port which is located remote from the weir and in fluid communication with the fluid inlet so as to enable the liquid to flow over the weir through the liquid circulation passage and through the port.
Absstract of: US2025312719A1
An apparatus, including a controller; an air intake system located at a vehicle; an air filtration system; an environmental control system; an air tank located at the vehicle; a water harvesting system; a water filtration system; and a water storage tank located at the vehicle. The controller controls an operation of the air intake system, the air filtration system, the environmental control system, the water harvesting system, and the water filtration system. The air intake system intakes air from an external environment, and the air filtration system filters or purifies the air. The environmental control system heats the air or cools the air. The air tank stores the air and the water harvesting system harvests water from the air. The water filtration system filters or purifies the water and the water storage tank stores the water.
Absstract of: US2025313964A1
Proposed is a system for producing blue hydrogen, capturing carbon dioxide and sulfur oxide, recycling carbon and storing reactants, generating power by using a fuel cell, and creating an artificial forest. The system includes a natural gas storage that stores liquefied natural gas including shale gas, a hydrocarbon reformer that produces a gaseous mixture containing hydrogen and carbon dioxide, a hydrogen charging station configured to receive and store the hydrogen, to capture carbon dioxide, to collect a reactant, and to separate a carbon dioxide reactant and a waste solution from the reactant, a carbon resource storage that stores the carbon dioxide reactant, a hydrogen generator that generates hydrogen and transfers the generated hydrogen to the hydrogen charging station, a fuel cell that receives the hydrogen and generates electricity, and an artificial forest creation apparatus that captures carbon dioxide in the atmosphere and transfers the captured carbon dioxide to the reactor.
Absstract of: US2025313969A1
This specification relates to a membrane electrode assembly for hydrogen production, an electrochemical cell comprising the same, and a method for hydrogen production using the same. According to an embodiment of the present invention, the membrane electrode assembly for hydrogen production, the electrochemical cell comprising the same, and the method for hydrogen production using the same can improve ammonia electrolysis durability by preventing performance degradation due to catalyst poisoning and restoring the performance.
Absstract of: US2025313520A1
Process and plant for producing methanol, the process comprising the steps of: a) providing a raw synthesis gas stream; b) water gas shifting at least a portion of the raw synthesis gas stream, thereby producing a shifted synthesis gas; c) preparing a separate hydrogen containing stream and a separate oxygen containing stream by electrolysis of a water feedstock; d) introducing at least a portion of the separate hydrogen containing stream into shifted synthesis gas, thereby producing a methanol synthesis gas; and e) converting the methanol synthesis gas into said methanol.
Absstract of: AU2023439737A1
The present invention relates to a hydrogen production system and a control method therefor. The method comprises: determining operation parameter information of the hydrogen production system according to output information of a new energy power generation device; and, according to the operation parameter information and operation demand information of the hydrogen production system, selecting a switching-on mode and a switching-off mode from amongst a plurality of preset modes of hydrogen production units of the hydrogen production system. On the basis of the output information of the new energy power generation device and the operation conditions of the hydrogen production system, the present invention performs selection of switching-on and switching-off of the hydrogen production units, thus improving the operation efficiency of the hydrogen production system.
Absstract of: WO2025209976A1
Solid Oxide Electrolysis Cell System The present invention relates to a Solid Oxide Electrolysis Cell (SOEC) system for industrial hydrogen, carbon monoxide or syngas production comprising SOEC core modules with at least one SOEC core and a plurality of SOEC stacks, wherein the SOEC core modules are adapted to be stacked on top of each other in two or more layers to optimize the plot area of the SOEC system.
Absstract of: WO2025208967A1
Disclosed in the present invention is a hydrogen production and dissolution device, comprising a housing, a vertical frame, a power supply assembly, an electrolysis assembly, a treatment assembly, a reaction assembly, and a heat dissipation assembly. The vertical frame is arranged in the housing; the housing comprises a reaction chamber and a power supply chamber, and the power supply chamber and the reaction chamber are separated by means of a partition plate; the power supply assembly is arranged in the power supply chamber; the electrolysis assembly, the treatment assembly, and the reaction assembly are arranged in the reaction chamber; the electrolysis assembly comprises a water tank and an electrolyzer; the treatment assembly comprises a gas-liquid separator; the reaction assembly comprises a pressure booster and reaction tanks, and ultrasonic generators are arranged inside the reaction tanks; and the heat dissipation assembly comprises first heat dissipation fans and second heat dissipation fans, wherein the first heat dissipation fans are arranged in the power supply chamber, and the second heat dissipation fans are arranged in the reaction chamber. The present invention can simultaneously realize hydrogen production and dissolution operations without additional storage and transportation of hydrogen, thereby reducing potential safety hazards.
Absstract of: GB2640063A
Provided is a solid electrochemical device comprising: a solid electrolyte which has a first main surface and a second main surface that is opposite from the first main surface; a first electrode which has a third main surface and a fourth main surface that is opposite from the third main surface and which is provided such that the third main surface faces the first main surface; a first current collector which has a fifth main surface and a sixth main surface that is opposite from the fifth main surface and which is provided such that the fifth main surface faces the fourth main surface; and a first interconnector which has a seventh main surface and which is provided such that the seventh main surface faces the sixth main surface, wherein the seventh main surface of the first interconnector is a flat surface, the first current collector includes a first porous metal body that has a three-dimensional network structure, and the fifth main surface has a plurality of first through-holes that are formed so as to extend along a first direction from the fifth main surface to the sixth main surface.
Absstract of: GB2639836A
A method of producing hydrogen is disclosed which comprises providing apparatus including a first container having an inlet and a second container having an outlet, wherein the first container and second container contain liquid aluminium or a liquid aluminium alloy, and wherein said liquid has a first surface proximate the inlet; reacting said liquid in the first container with water vapour supplied to the first container via the inlet in order to generate hydrogen which dissolves in the liquid, wherein said reaction takes place either at the surface or in the liquid; causing the hydrogen dissolved in said liquid to move to the second container; extracting hydrogen in the form of gas from liquid in the second container.
Absstract of: GB2639995A
Fluid treatment apparatus 10 for undertaking electrolysis of a fluid to thereby produce hydrogen gas, and/or undertake electro-coagulation of the fluid to thereby reduce the presence of suspended solids in the fluid, and/or to undertake desalination of the fluid, the apparatus comprises a tank 50 containing water, the tank including electrodes 120 connected to an electrical supply 150, wherein the electrodes include an anode and a cathode. The electrical supply is arranged to supply electricity to the electrodes such that the voltage between the anode and a reference point at a constant electric potential varies as a function of time, wherein the time-dependence of the voltage between the anode and the reference point is described by a function V(), defined for any time as the greatest value of 1(), 2() and 3(), which are defined herein. A waveform of the voltage () that is applied between the anode and a reference point is sinusoidal. A method of treating fluid is also described.
Absstract of: EP4629404A1
A method and an apparatus to generate an electric voltage by contacting the inside of a closed mild carbon steel tube at a temperature between 250°C and 1200°C with di-Hydrogen obtained by electrolysis of pure water, said di-Hydrogen being at a pressure between 0 and 10 Bar gauge.
Nº publicación: EP4628629A2 08/10/2025
Applicant:
BOSCH GMBH ROBERT [DE]
Robert Bosch GmbH
Absstract of: EP4628629A2
The present application provides an electrolytic unit, comprising: a plate having a first side and a second side opposite each other, the first side being an anode side, and the second side being a cathode side; an anode porous transport layer and a cathode porous transport layer respectively disposed at the first side and the second side; an exchange membrane; an anode catalyst layer and a cathode catalyst layer respectively disposed at two sides of the exchange membrane; an anode gas diffusion electrode positioned on the anode catalyst layer; and a cathode gas diffusion electrode positioned on the cathode catalyst layer; wherein the cathode porous transport layer, the plate and the anode porous transport layer are formed as an integral mechanical portion, and the anode gas diffusion electrode, the anode catalyst layer, the exchange membrane, the cathode catalyst layer and the cathode gas diffusion electrode are formed as an integral electrochemical portion. The present application also provides an electrolytic stack comprising the electrolytic unit described above. The technical solutions of the present application facilitate the assembly and maintenance of the electrolytic unit and the electrolytic stack.
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