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744
results.
Updated on
14/09/2026 [07:03:00]
Results 50 to 75 of 744
Absstract of: US20260257913A1
Proposed is a system for generation of blue hydrogen through natural gas reforming, carbon dioxide capture, carbon resource utilization, and reaction product storage. The system includes a natural gas storage container for storing liquefied natural gas including shale gas, a hydrocarbon reformer in which a gas mixture containing hydrogen and carbon dioxide is produced, a hydrogen filling station in which hydrogen is received and stored, a reactor in which carbon dioxide produced is received and reacted with a basic alkali mixed solution to capture carbon dioxide and in which a reaction product is collected and a carbon dioxide reaction product and a waste solution are separated from the reaction product, a carbon resource storage container storing the carbon dioxide product, and a hydrogen generator in which the carbon dioxide reaction product is used to product hydrogen, and the produced hydrogen is delivered to the hydrogen filling station.
Absstract of: US20260261119A1
0000 An electrolysis system includes a renewable power generation plant, an electrolysis plant, a transformer station and an AC bus bar. The renewable power generation plant is connected to the public electricity grid at a point of connection via the AC bus bar and includes a power plant controller and a self-controlled converter that is connected to the AC bus bar. The electrolysis plant includes an electrolysis active power controller and a converter arrangement that is connected to the AC bus bar. The electrolysis active power controller is configured for controlling active power of the electrolysis plant at the AC bus bar and the power plant controller is configured for controlling reactive power at the point of connection. A method for operating an electrolysis system is also provided.
Absstract of: US20260257990A1
An amidinium-functionalized compound, characterized in that the compound has a structure according to General Formula I or General Formula II wherein ⋅R5 and R9 are any substituent different from hydrogen; ⋅R1 to R4 are independently selected from the group consisting of an alkyl group, an alkenyl group, an alkynyl group, an aralkyl group, an alkaryl group, an aryl group and a heteroaryl group, or any of R1 and R3, R1 and R4, R1 and R2, R3 and R4, R2 and R3, or R2 and R4 represent the necessary atoms to form a five- to eight-membered non-aromatic ring; ⋅R6 to R8 are independently selected from the group consisting of hydrogen, an alkyl group, an alkenyl group, an alkynyl group, an aralkyl group, an alkaryl group, an aryl or heteroaryl group, a halogen group, an ether group, a nitro group, an amine group, or any of R5 and R6, R6 and R7, R7 and R8, or R8 and R9 represent the necessary atoms to form a five- to eight-membered ring; X— is an anion; and wherein ⋅at least one of R1 to R9 comprises a polymerizable group or comprises the necessary atoms to link the amidinium group to a polymer.
Absstract of: WO2026182306A1
The present invention provides a system for synthesizing ammonia using a chemical compressor having a hydrogen storage alloy embedded therein, and a method for synthesizing ammonia using the ammonia synthesis system. The system for synthesizing ammonia comprises: a water electrolysis stack that generates hydrogen; a chemical compressor that stores and discharges hydrogen supplied from the water electrolysis stack; and an ammonia synthesis unit that receives hydrogen from the chemical compressor and synthesizes ammonia, wherein the chemical compressor includes: a hydrogen storage unit having the hydrogen storage alloy embedded therein; a cooling unit that cools the hydrogen storage unit; a heating unit that heats the hydrogen storage unit; and a control unit that controls operations of the cooling unit and the heating unit, wherein the heating unit includes a plurality of different heating sources independently controllable from one another, and the control unit controls the cooling unit to cool the hydrogen storage alloy of the hydrogen storage unit when hydrogen is stored in the hydrogen storage unit, and controls at least one of the plurality of heating sources of the heating unit to heat the hydrogen storage alloy when hydrogen is discharged from the hydrogen storage unit.
Absstract of: EP4800057A1
0001 The present invention relates to a reinforced composite polymer electrolyte membrane having assured mechanical, structural, and thermal stability.
Absstract of: EP4800782A1
The present invention relates to a method for the preparation of a cathode for alkaline water electrolysis of water particularly useful in the reaction of hydrogen evolution comprising nickel, iron and/or cobalt oxide and a noble metal based on the self-combustion of a precursor mixture deposited or coated on the surface of an electrode carrier. The invention also relates to an electrode obtainable according to said method and to its use as cathode in water electrolysis, in particular in alkaline water electrolysis.
Absstract of: WO2025090834A1
Disclosed herein are systems and methods for tandem hydrogen (H2) production and carbon dioxide (CO2) capture. For example, described herein are methods comprising tandem H2 production and CO2 capture and conversion to a carbonate mineral. In some examples, the method is an electrochemical method. In some examples, the method comprises dissolving CO2 in water and applying an electrochemical potential sufficient to drive the H2 evolution reaction, thereby producing H2 and CO3 2-. In some examples, the methods further comprise contacting the CO3 2- with a cation to thereby form an insoluble carbonate compound.
Absstract of: WO2025087865A1
The present invention relates to a guard bed reactor for silicon removal, a solid oxide electrode system for producing hydrogen comprising a guard bed reactor for silicon removal, a method of operating the system to produce hydrogen and a use of the guard bed reactor for silicon removal for depleting a stream of steam from volatile silica species.
Absstract of: WO2025087866A1
The invention relates to a method of operating a solid oxide electrolysis cell (SOEC) stack for producing hydrogen, and a system for carrying out the method, said SOEC stack comprising at least one solid oxide electrolysis cell (SOEC), said at least one SOEC comprising an electrolyte layer interposed between a fuel-side and an oxy-side, the method comprising transient operation, in which the transient operation comprises: - operating the SOEC stack under open-circuit voltage (OCV); - providing a feed gas comprising ammonia; - supplying at least a portion of said feed gas comprising ammonia to a guard bed reactor, said guard bed reactor comprising a catalyst active in the cracking of ammonia to nitrogen and hydrogen; and withdrawing from said guard bed reactor a forming gas comprising nitrogen and hydrogen; - supplying at least a portion of the forming gas comprising nitrogen and hydrogen to the fuel-side of the at least one of the solid oxide electrolysis cells (SOECs) of the SOEC stack; and withdrawing from said at least one of the SOECs of the SOEC stack, a first fuel-side exit gas.
Absstract of: EP4800161A1
Provided is a technique for suppressing occurrence of cracking in a solid electrolyte layer. A solid oxide electrolysis cell includes an air electrode containing a complex oxide having a perovskite structure, a fuel electrode, and a solid electrolyte layer disposed between the air electrode and the fuel electrode. In an interface region of the fuel electrode, which region extends 5 µm from the interface between the fuel electrode and the solid electrolyte layer, the Al content is 1 ppm or greater and 100 ppm or less.
Absstract of: EP4545476A1
Process (2) for the production of an enhanced fuel gas (4) containing at least hydrogen gas from a fuel stream, in particular from an ammonia fuel stream (6). Said process comprises the following steps:- providing the fuel stream (6) (S100);- providing a condensable medium (8), preferably water steam (8), to a cracker unit (10);- at least one step of performing an endothermic cracking reaction of the fuel stream (6) in the cracker unit comprising at least one catalyst suitable for cracking said fuelstream (6), so as to produce an at least partially cracked fuel stream as said enhanced fuel gas (4) (S300); and- condensing at least partially said condensable medium (8) to provide said heat for the endothermic cracking reaction of the fuel stream (6).
Absstract of: WO2025088418A1
Electrochemical device (1), preferably of the electrolyser type for hydrogen production, characterised by comprising: - at least one support frame (2), with a substantially laminar development, which is provided with at least one seat (3) for an electrochemical module (10), said support frame (2) comprising a first face (12') and a second face (12") which are opposite to each other, at least one electrochemical module (10) which is mounted in said at least one seat (3) and which comprises a separation membrane interposed between two electrodes, respectively between an anode and a cathode, at least one bipolar plate (20) for applying/transferring electrical energy to the electrodes of said at least one electrochemical module (10), said bipolar plate (20) comprising a first surface (21') and a second surface (21") which are opposite to each other, said bipolar plate (20) being superimposed on said support frame (2) and being configured so that the first surface (21') of said bipolar plate (20) rests, at least in part, on a first face (12') of said support frame (2).
Absstract of: EP4800162A2
The hydrogen production system comprises a solid oxide electrolysis cell (SOEC) that electrolyzes steam, a steam discharge line through which the steam discharged from the hydrogen electrode of the SOEC passes, a main heat exchanger that generates the steam by heating supply water through heat exchange between the supply water and the steam passing through the steam discharge line, a combustor that combusts a part of hydrogen contained in steam discharged from a hydrogen electrode, a superheater that exchanges heat between the steam generated in the main heat exchanger and the combustion gas generated in the combustor, a gas discharge line through which an exhaust gas discharged from an oxygen electrode of the SOEC passes, a steam bleeding line that allows the steam discharge line and the combustor to communicate with each other, and an exhaust gas bleeding line that allows the gas discharge line and the combustor to communicate with each other.
Absstract of: EP4799916A2
The present invention relates to an apparatus and method for producing, storing, and transferring hydrogen. According to the present invention, in order to address the problems of conventional systems and methods for producing, storing, and transferring marine green hydrogen, which are configured with a fixed structure in a small-scale offshore wind power generator on a coast or in a shallow sea area with a shallow depth of water, and thus, have low efficiency due to the difficulty in mass production of hydrogen, and a large storage space is occupied when the produced hydrogen is converted into a compressed gas form, and when the produced hydrogen is converted into ammonia, additional energy is required to extract the hydrogen again and there is a risk of environmental pollution and casualty in the event of an outflow accident, provided is a marine platform for producing, storing, and transferring marine green hydrogen, which is configured such that marine green hydrogen is produced through a floating marine structure configured to produce marine green hydrogen using electricity produced using renewable energy from the ocean, and simultaneously, the produced marine green hydrogen is stored, transferred, and offloaded through a single offshore platform (FPSO), thereby being possible to easily construct a large-scale production facility capable of producing, storing, and transferring marine green hydrogen without greenhouse gas emission on the basis of eco-friendly energy.
Absstract of: EP4800156A1
Provided is a membrane-electrode assembly for a water electrolysis cell, including: a polymer electrolyte membrane having an active area and an inactive area surrounding the active area; a hydrogen generation electrode positioned on a first surface of the active area of the polymer electrolyte membrane; an oxygen generation electrode positioned on a second surface of the active area of the polymer electrolyte membrane; a first subgasket disposed on a first surface of the inactive area of the polymer electrolyte membrane and surrounding the hydrogen generation electrode; and a second subgasket disposed on a second surface of the inactive area of the polymer electrolyte membrane and surrounding the oxygen generation electrode, wherein the first subgasket has a first window accommodating the hydrogen generation electrode, and a first water supply path surrounding the first window and exposing the inactive area of the polymer electrolyte membrane.
Absstract of: EP4800158A1
The various embodiments of the present invention disclose a pressurized alkaline electrolyser stack, comprising: a stack core (100a) comprising a plurality of electrolysis cells (200), wherein each electrolysis cell (200) comprises an anode chamber comprising an anode, a cathode chamber comprising a cathode, a diaphragm (206) separating the anode chamber and the cathode chamber, at least one cell frame (201) and at least one gasket (202). The stack core (100a) is configured to have a first stack core length L1 and a first gasket stress σ1 at a first design temperature T1 and a second stack core length L2 and a second gasket stress σ2 at a second design temperature T2. The first design temperature T1 is at least 80 degrees Celsius and the second design temperature T2 is less than 30 degrees Celsius. A stack core length difference dL = L1-L2 is between 0 to 20 millimeters, and a gasket stress difference dσ =σ1-σ2 is between 0 to 20 MPa.
Absstract of: EP4800157A1
0001 Method of operating an electrolysis system (2) wherein the method comprising the step of: (S100) providing a control signal (S5) to a product valve (18b) on the oxygen-side (V) of the electrolysis system (2) to keep the product valve (18b) open in order to buffer oxygen provided by the electrolysis system (2) in a buffer tank (14b) on the oxygen-side (V) in normal operation of the electrolysis system (2).
Absstract of: EP4800000A1
The invention relates to an methanol plant comprising: a CO2-rich feed, a hydrogen-rich feed, a boiler feed water stream, a CO2-electrolysis section arranged to electrolyse at least a portion of the CO2-rich feed to output a mixed stream, a heat exchange section arranged to heat exchange at least a portion of the first mixed stream so as to output a cooled mixed stream and a steam stream, a methanol synthesis loop arranged to receive at least a portion of the cooled mixed stream and at least a portion of the hydrogen-rich feed and to output a raw methanol stream, a purge gas stream, and a flash gas stream, and a methanol upgrading section, wherein the steam stream is arranged to provide heat energy for one or more components of the methanol upgrading section. At least a portion of the purge gas stream is arranged to be recycled to the CO2-rich feed, and/or at least a portion of the flash gas stream is arranged to be recycled to at least one of: the mixed stream and the cooled mixed stream. The invention also relates to a method for converting CO2 to methanol.
Absstract of: US2020032688A1
0001 Systems for abatement of pollutants in an exhaust gas stream of an internal combustion engine including a hydrogen injection article configured to introduce hydrogen upstream of a catalytic article are effective for the abatement of carbon monoxide and/or hydrocarbons and/or nitrogen oxides. The introduction of hydrogen may be intermittent and/or during a cold-start period.
Absstract of: SE2500030A1
Uppfinningen avser förfarande och arrangemang för att producera ammoniak från väte samt luftens kväve. Uppfinningen kännetecknas av att i en förbränningsmotor för ammoniak förbränns ammoniak stökiometriskt med syret i den omgivningsluft som tillförs motorn varefter bildad het avgas med vattenånga reagerar med järnet i avgassystemet och bildar rost i en endoterm reaktion varvid väte frigörs samtidigt som ammoniak bildas i en exoterm reaktion i motorns avgassystem som består av järn och utgör ett cirkulärt energilager.
Absstract of: NZ808750A
The invention relates to a new kind of electrocatalyst to be incorporated as part of the electrodes, anode and cathode, in water electrolysers aimed for hydrogen production through the electrochemical splitting of water into oxygen and hydrogen. The electrocatalyst is characterized by a layered and porous structure that provides a high performance towards the oxygen evolution reaction in the absence of added ionomer. The object of the invention is framed in the field of energy.
Absstract of: WO2025051317A1
The invention relates to a fluid-conducting plate arrangement (3) of an electrochemical system (1), comprising a compression plate (4) which has an inner side (6), facing a stack of electrochemical cells, and an outer side (5) and is passed through by a plurality of through-openings to which a plurality of coolant passages (8, 9), namely a coolant inlet (8) and a coolant outlet (9), are to be assigned, wherein each coolant passage (8, 9) has a branch (12) which opens towards the inner side (6) and is formed by the compression plate (4) together with an insert plate (10) inserted into it on the outer side, such that the compression plate (4) has two separate passage portions (13, 14) and the insert plate (10) has a collecting portion (18) which adjoins the two passage portions (13, 14).
Absstract of: WO2025049352A2
This discloses a surfaced plasmon resonance catalyst device and a chemical reaction systems using the catalyst device. The catalyst device includes metal nanoparticles formed over a supporting body with ligands that are interposed between the supporting body and many of the metal nanoparticles. Many of the ligands are bonded to a surface of the supporting body on one hand and are also bonded to at least part of the metal nanoparticles on the other hand. One chemical reaction system includes a flow reactor that accommodates the catalyst device for use in ammonia cracking.
Absstract of: NZ804904A
The present invention describes an improved catalytic reactor system with an improved catalyst that transforms CO2 and low carbon H2 into low-carbon syngas with greater than an 80% CO2 conversion efficiency, resulting in the reduction of plant capital and operating costs compared to processes described in the current art. The inside surface of the adiabatic catalytic reactors is lined with an insulating, non-reactive surface which does not react with the syngas and effect catalyst performance. The improved catalyst is robust, has a high CO2 conversion efficiency, and exhibits little or no degradation in performance over long periods of operation. The low-carbon syngas is used to produce low-carbon fuels (e.g., diesel fuel, jet fuel, gasoline, kerosene, others), chemicals, and other products resulting in a significant reduction in greenhouse gas emissions compared to fossil fuel derived products.
Nº publicación: US20260250871A1 27/08/2026
Applicant:
HYSATA PTY LTD [AU]
Hysata Pty Ltd
Absstract of: US20260250871A1
0000 An electro-energy or electro-synthetic cell, including a cathode, an anode and an electrode separator positioned between the cathode and the anode. A liquid electrolyte inlet supplies a liquid electrolyte to the cell, and a liquid electrolyte outlet removes the liquid electrolyte from the cell. The liquid electrolyte outlet includes an overflow weir over or through which excess liquid electrolyte flows out of the cell. In another form, one or more drippers are included as part of the liquid electrolyte inlet and/or the liquid electrolyte outlet and drip chambers are positioned below the drippers. In another form, one or more porous capillary structures are located in liquid pathways in the cell, for example in a liquid pathway provided by an overflow weir or adjacent a dripper. In another form, one or more restrictors are utilised that create a pressure drop in the liquid electrolyte passing through the restrictor.
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