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575
results.
Updated on
24/12/2025 [07:09:00]
Results 475 to 500 of 575
Absstract of: WO2025223924A1
The invention relates to the coupling of a hydrogenation or oxidation plant (2) and a dihydrogen production plant (3), for transferring (4) heat generated by the hydrogenation or oxidation plant (2) to an input stream of an electrochemical device of the dihydrogen production plant (3) and/or for feeding (100), to said hydrogenation or oxidation plant (2), one or more fluids formed by the electrochemical device.
Absstract of: WO2025223733A1
The invention relates to a process (100) for producing a hydrogen product (81) from an endothermic cracking reaction of an ammonia feed (4), comprising the following steps: - in said cracking unit, performing (S20) the endothermic cracking reaction of the ammonia feed, thereby producing a cracked gas (80) containing hydrogen (81), nitrogen (82) and unconverted ammonia (83), - in said cracking unit, combusting the separated unconverted ammonia in a combustion step (S40) to provide heat to the endothermic cracking reaction, - reducing (S50) a cracking temperature (Tc) of the endothermic cracking reaction, thus increasing the amount of unconverted ammonia in the cracked gas and to be combusted to provide heat to the endothermic cracking reaction, - controlling (S60) the flow of the ammonia feed directed to the cracking unit to produce a desired amount of hydrogen product (Psp).
Absstract of: WO2025223600A1
The invention relates to a porous transport layer (1) for use in an electrolyzer, wherein the transport layer (1) has a plurality of layers (2-4) which are connected to one another, at least one of the layers (2) has a porosity of less than 75%, another layer (3) has a porosity of 75% to 90%, all of the layers (2-4) consist of metal and are integrally bonded to one another, and at least one of the layers (3) consists of a sheet material made of wire or an expanded metal mesh, said sheet material having a main plane and a 3D structuring perpendicular to the main plane such that flow channels are formed in conjunction with an adjacent layer (4, 2).
Absstract of: WO2025223592A1
It is an object of the invention to provide a reactor system based on an alkaline electrolysis system and an associated process for producing a synthetic fuel gas having a high proportion of oxygen from natural gas, biogas or exhaust gases from an internal combustion engine with hydrogen and oxygen formed in the electrolysis as fuel gas or synthesis gas. As a result of a high proportion of oxygen in the fuel gas of more than 20% by volume, the energy content of the new synthetic fuel gas is significantly higher than that of mixed gases already used in practice with a proportion of oxygen of less than 5% by volume. The arrangement of the reactor, including all additional systems, in a container allows largely standardized prefabrication on the part of the manufacturer of the reactor comprising the electrolysis system, including compliance with and installation of corresponding safety devices. The reactor system and the process for producing a fuel gas (25) from a carrier gas (11), e.g. natural gas (11), hydrogen, and oxygen utilize an alkaline low-voltage electrolysis system (3) which consists of a plurality of individual cells (4) within a reactor housing (2) and allows the fuel gas (25) to be formed in the individual cell (4) already during electrolysis. In spite of its high oxygen content, the fuel gas (25) is combustible but not explosive.
Absstract of: WO2025223593A1
The object of the invention is to use an electric generator system with an internal combustion engine in combination with a reactor system based on an alkaline electrolysis system for producing a fuel gas with a high oxygen content from a carrier gas, e.g. natural gas, and/or the exhaust gases of internal combustion engines and using the hydrogen and oxygen produced during the electrolysis process, and to provide a method for producing a fuel gas or synthesis gas with a high oxygen content by means of the reactor, wherein the energy input for producing the fuel gas is reduced and the water input is minimized compared to already known methods and systems. The system and the method for producing a fuel gas (25) from a carrier gas (11), e.g. natural gas (11), exhaust gases from internal combustion engines, hydrogen and oxygen, use an alkaline low-voltage electrolysis system (3), which consists of a plurality of individual cells (4) within a reactor housing (2) and allows the fuel gas (25) to be produced directly in the individual cell (4) during electrolysis. Despite its high oxygen content, the fuel gas (25) is combustible but not explosive.
Absstract of: AU2025248680A1
Abstract A method for producing a synthetic fuel from hydrogen and carbon dioxide comprises extracting hydrogen molecules from hydrogen compounds in a hydrogen feedstock to produce a hydrogen-containing fluid stream; extracting carbon dioxide molecules from a dilute gaseous mixture in a carbon dioxide feedstock to produce a carbon dioxide containing fluid stream; and processing the hydrogen and carbon dioxide 5 containing fluid streams to produce a synthetic fuel. At least some thermal energy and/or material used for at least one of the steps of extracting hydrogen molecules, extracting carbon dioxide molecules, and processing the hydrogen and carbon dioxide containing fluid streams is obtained from thermal energy and/or material produced by another one of the steps of extracting hydrogen molecules, extracting carbon dioxide molecules, and processing the hydrogen and carbon dioxide containing fluid streams. 10 Abstract A method for producing a synthetic fuel from hydrogen and carbon dioxide comprises extracting hydrogen molecules from hydrogen compounds in a hydrogen feedstock to produce a hydrogen-containing fluid stream; extracting carbon dioxide molecules from a dilute gaseous mixture in a carbon dioxide feedstock 5 to produce a carbon dioxide containing fluid stream; and processing the hydrogen and carbon dioxide containing fluid streams to produce a synthetic fuel. At least some thermal energy and/or material used for at least one of the steps of extracting hydrogen mole
Absstract of: KR20250155089A
본 발명은 단원자-나노입자 복합체, 그의 제조방법, 그를 포함하는 연료전지와 수전해 장치에 관한 것으로서, 본 발명의 일 실시예에 따른 단원자-나노입자 복합체는, 탄소 지지체; 및 상기 탄소 지지체 표면에 코팅된 흡착층;을 포함하고, 상기 흡착층은 단원자 금속 이온, 산성 물질, 고분자 및 질소가 결합된 것이다.
Absstract of: WO2025225918A1
Disclosed is an electrochemical reaction system without an electrical contact between a stack and a manifold. The system may comprise: an insulating manifold including at least a plate-shaped base manifold part, through which a first fluid conduit and a second fluid conduit pass from top to bottom, and a housing part, which has a downwardly open cross-section and can be fastened to the upper surface and lower edge of the base manifold, the insulating manifold further including insulating plates located on the upper surface and lower surface, respectively, of an inner space surrounded by the base manifold part and the housing part; and a stack which is accommodated between the insulating plates in the inner space so as not to cover at least one of the first fluid conduit or the second fluid conduit, and in which at least a plurality of plate electrodes and separating plates separating the plurality of plate electrodes are stacked, wherein sealing materials are stacked above and below the stack.
Absstract of: KR20250155237A
본 발명의 실시예에 따른 해수전해 시스템은, 선박으로 유입되는 해수를 1차적으로 전기분해하도록 구성된 제1전해조; 및 상기 제1전해조에 의해 1차적으로 전기분해된 해수를 2차적으로 전기분해하도록 구성된 제2전해조;를 포함할 수 있다.
Absstract of: KR20250155142A
본 발명은 표면처리된 카본시트; 및 상기 카본시트의 적어도 일면에 구비되는 루테늄 단일원자 및 루테늄 나노클러스터;를 포함하는 수소발생용 자립형 전극관한 것이다.
Absstract of: WO2025220485A1
The present disclosure provides an electrolytic cell stack capable of increasing the amount of product generated by electrolysis while suppressing a temperature rise of the cell stack. An electrolytic cell stack (101) according to the present disclosure comprises: a hydrogen generation unit (10) provided with an electrolytic cell (105) having a hydrogen electrode, an oxygen electrode, and a solid electrolyte membrane; a raw material gas supply port (11); a hydrogen gas discharge port (12); a raw material gas supply-side heat exchange unit (13); and a hydrogen gas discharge-side heat exchange unit (14). The raw material gas supply-side heat exchange unit and the hydrogen gas discharge-side heat exchange unit are each composed of a heat transfer unit and a header unit. The heat transfer unit area of the hydrogen gas discharge-side heat exchange unit is larger than the heat transfer unit area of the raw material gas supply-side heat exchange unit.
Absstract of: DE102024204053A1
Offenbart sind eine Festoxid-Elektrolysezelle und ein Verfahren zu deren Herstellung.
Absstract of: WO2025226248A1
The present invention relates to a process for the recovery of waste materials by producing soda ash, sodium hydroxide and hydrogen via converting the liquid and solid wastes, which are generated as a result of production from the Trona ore using solution mining and underground production methods, into a solution; and a process that will enable production in brine production areas that are currently not suitable for production.
Absstract of: WO2025225856A1
A solid oxide water electrolysis system is disclosed. The disclosed system comprises: a stack including a fuel electrode, an electrolyte, and an air electrode; a fuel electrode recuperator configured to exchange heat between a product discharged from the fuel electrode and water vapor supplied to the fuel electrode; a recycle blower configured to recirculate a portion of the product discharged from the fuel electrode recuperator to the fuel electrode recuperator; a product cooler configured to cool the remainder of the product discharged from the fuel electrode recuperator; a separator configured to separate the product discharged at least from the product cooler into hydrogen and water; an air blower configured to supply outside air to the air electrode; and an air electrode recuperator configured to exchange heat between exhaust discharged from the air electrode and the outside air supplied to the air electrode.
Absstract of: WO2025225918A1
Disclosed is an electrochemical reaction system without an electrical contact between a stack and a manifold. The system may comprise: an insulating manifold including at least a plate-shaped base manifold part, through which a first fluid conduit and a second fluid conduit pass from top to bottom, and a housing part, which has a downwardly open cross-section and can be fastened to the upper surface and lower edge of the base manifold, the insulating manifold further including insulating plates located on the upper surface and lower surface, respectively, of an inner space surrounded by the base manifold part and the housing part; and a stack which is accommodated between the insulating plates in the inner space so as not to cover at least one of the first fluid conduit or the second fluid conduit, and in which at least a plurality of plate electrodes and separating plates separating the plurality of plate electrodes are stacked, wherein sealing materials are stacked above and below the stack.
Absstract of: WO2025226337A2
Methods and systems for synthesis using an underwater electric arc. Such methods and systems form an electrical arc between an anode and a cathode positioned under water or within an aqueous mist and introduce an added material into the vicinity of the electrical arc. The formation of the electrical arc in the vicinity of the added material facilitates synthesis of chemical products from the added material. Such synthesized chemical products include ammonia, hydrogen, cyanide, and hydrogen cyanide.
Absstract of: US2025337244A1
A power system and a frequency modulation control method therefor. The method includes: first, determining whether the current power grid frequency of a power system falls within a preset allowable frequency deviation range; if not, performing calculation according to the current power grid frequency and a power grid rated frequency to obtain an input current change value of a hydrogen production power generation unit in the power system; on the basis of the size relationship between the input current change value and limit values thereof and the size relationship between the changed input current value and limit values thereof, determining a target input current of the hydrogen production power generation unit; and finally, adjusting an input current of the hydrogen production power generation unit according to the target input current, so as to allow the power grid frequency of the power system to fall within the preset allowable frequency deviation range. Therefore, by means of the relationship between system power consumption and frequency fluctuation, the present application can guide input current setting for the hydrogen production power generation unit on the basis of a measured system frequency to achieve frequency modulation control of the power system, thus solving the problem of frequency fluctuation of power grid systems caused by randomness and fluctuation of renewable energy power generation.
Absstract of: US2025336995A1
A passive dual modulating regulator with relative differential venting (“regulator”) for use with a contained hydrogen generation system (“system”) comprises a flexible diaphragm clamped between a first housing section and a second housing section. The regulator defines a hydrogen fluid path in fluid communication with the hydrogen-side of the system, an exterior hydrogen storage vessel, and an exterior of the system. The regulator also defines an oxygen fluid path in fluid communication with the oxygen-side of the system, an exterior oxygen storage vessel, and an exterior of the system. The regulator regulates pressure imbalances between the oxygen-side of the system and the hydrogen-side of the system, and vents oxygen and hydrogen to an exterior of the system to allow collection of both hydrogen and oxygen and avoid rupture of a proton-exchange membrane of the system.
Absstract of: US2025333773A1
Enzymatic polynucleotide synthesis with a template-independent polymerase is used to create multiple polynucleotides having different, arbitrary sequences on the surface of an array. The array provides a spatially-addressable substrate for solid-phase synthesis. Blocking groups are attached to the 3′ ends of polynucleotides on the array. Prior to polynucleotide extension, the blocking groups are removed at a selected location on the array. In an implementation, the blocking groups are acyl groups removed with a negative voltage created at an electrode. The array is then incubated with the polymerase and a single species of nucleotide. Nucleotides are incorporated onto the 3′ ends of the polynucleotides without blocking groups. Washing removes the polymerase and free nucleotides. To create polynucleotides with different sequences at different locations on the array, the location where the blocking groups are removed and the species of nucleotide may be changed during repeated cycles of synthesis.
Absstract of: WO2025226320A2
An integrated energy system including a power plant is discussed herein. In some examples, the integrated energy system may include at least one nuclear reactor and electrical power generation system configured to generate steam and electricity, a water treatment plant configured to produce Sodium Hydroxide (NaOH) from salt water, a Sodium Formate (HCOONa) production plant configured to receive the Sodium Hydroxide (NaOH) to produce Sodium Formate (HCOONa), a Thermal Decomposition reactor configured to receive the Sodium Formate (HCOONa) and configured to receive at least a first portion of the steam or at least a second portion of the electricity from the power plant to indirectly heat the Thermal Decomposition reactor to produce Hydrogen (H2), Carbon Dioxide (CO2), and Carbon Monoxide (CO) from the Sodium Formate (HCOONa), and a Methanol (CH3OH) reaction chamber configured to receive the Hydrogen (H2), the Carbon Dioxide (CO2), and the Carbon Monoxide (CO) to produce Methanol (CH3OH).
Absstract of: WO2025226115A1
The present invention relates to a super-hydrophilic titanium oxide nanotube electrode electrodeposited with metal nanoparticles and, more specifically, to a method for manufacturing a super-hydrophilic titanium oxide nanotube-based electrode electrodeposited with metal nanoparticles through simple electrooxidation and electrodeposition.
Absstract of: WO2025226032A1
The present invention relates to a water electrolysis cell comprising: a separation plate including a first separation plate and a second separation plate; a membrane electrode assembly disposed between the first separation plate and the second separation plate and including an anode, a separation membrane, and a cathode; a gas diffusion layer disposed between the cathode and the first separation plate; a porous diffusion layer disposed between the anode and the second separation plate; and a titanium mesh layer, wherein the separation plate includes titanium, and the titanium mesh layer is not included between the cathode and the first separation plate.
Absstract of: WO2025225466A1
An evaluation system according to the present invention evaluates the performance of an electrolysis cell that electrolyzes supplied steam to generate hydrogen gas or a test piece that is a portion thereof and comprises a steam supply line that supplies steam to the test piece, a hydrogen gas extraction line that extracts hydrogen gas that is generated from the test piece by electrolysis, a generated hydrogen information acquisition unit that acquires generated hydrogen information that directly or indirectly indicates the hydrogen gas content of a fluid that flows along the hydrogen gas extraction line, and a steam control unit that controls the flow rate of the steam supplied to the test piece from the steam supply line on the basis of the acquired generated hydrogen information.
Absstract of: US2025333862A1
A solid oxide electrolysis cell includes an oxygen electrode, a fuel electrode, and an electrolyte interposed between the oxygen electrode and the fuel electrode. The oxygen electrode comprises an oxygen electrode carrier comprising internal pores, and an oxygen electrode catalyst supported in the internal pores, and having a perovskite single-phase structure. The fuel electrode comprises a fuel electrode carrier and a fuel electrode catalyst supported on the fuel electrode carrier.
Nº publicación: US2025333869A1 30/10/2025
Applicant:
GREEN FUEL LLC [US]
Green Fuel, LLC
Absstract of: US2025333869A1
A passive dual modulating regulator with relative differential venting (“regulator”) for use with a contained hydrogen generation system (“system”) comprises a housing, a first piston valve, a second piston valve, and a third piston valve. The regulator defines a hydrogen fluid path in fluid communication with a hydrogen-side of the system, an exterior hydrogen storage vessel, and an exterior of the system. The regulator also defines an oxygen fluid path in fluid communication with the oxygen-side of the system, an exterior oxygen storage vessel, and an exterior of the system. The regulator regulates pressure imbalances between the oxygen-side of the system and the hydrogen-side of the system, and vents oxygen and hydrogen to the exterior of the system to allow collection of both hydrogen and oxygen and avoid rupture of a proton-exchange membrane of the system.
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