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948
resultados
Última actualización
26/08/2026 [06:58:00]
Resultados 800 a 825 de 948
Resumen de: US20260185254A1
0000 There is provided an insulating piping configured by a double tube including an inner tube that connects a water electrolysis stack and an auxiliary machine and through which a fluid flows, and an outer tube provided on an outer side of the inner tube via the inner tube and an outer tube inner space; in which the outer tube has an insulating property, the water electrolysis stack and the auxiliary machine are insulated from each other in the inner tube, and a dry gas having a humidity of less than or equal to a predetermined value is enclosed in an outer tube inner space that is the space at a pressure of the fluid flowing inside the inner tube and a pressure higher than an atmospheric pressure.
Resumen de: US20260185252A1
A hydrogen production apparatus for a wind turbine is provided, including an electrolytic hydrogen production unit for producing hydrogen gas from electrical energy generated by the wind turbine, a compressor unit for compressing the produced hydrogen gas, and a sensor unit fluidly connected to the compressor unit for detecting an oil contamination of the compressed hydrogen gas. Thus, an oil contamination of the hydrogen gas produced by the hydrogen production apparatus is continuously monitored. Further, oil contamination of the hydrogen gas is detected before the hydrogen gas is discharged by the hydrogen production apparatus.
Resumen de: US20260183700A1
0000 Proposed is a carbon dioxide capture, carbon resource utilization, and hydrogen production system for a steel mill. The system includes a melter-gasifier configured to manufacture molten iron by charging reduced iron and lumped carbonaceous materials therein, a reduction furnace connected to the melter-gasifier and configured to manufacture reduced iron from iron ore by using a reduction gas and to provide the reduced iron to the melter-gasifier, a blast furnace configured to manufacture molten iron by charging iron ore and coke therein, a reactor configured to spray a basic alkali mixture solution so that carbon dioxide is removed from a reduction gas and a reaction product is generated and configured to blow the flue gas to the blast furnace, and a hydrogen generator configured to generate hydrogen gas and oxygen gas by using a carbon dioxide reaction product in the reaction product generated from the reactor.
Resumen de: US20260185245A1
The present invention discloses an electrode plate of an electrolysis apparatus and an electrolysis apparatus to which the electrode plate is applied. A direct current power supply is connected to the electrolysis apparatus and an electrolyte is injected into the electrolysis apparatus, to convert electric energy into chemical energy. The electrode plate includes a silicon-based electrode plate made of a doped conductive silicon material. The silicon-based electrode plate is electrically connected to the direct current power supply, and a flow channel is disposed on at least one surface of the silicon-based electrode plate, so that the electrolyte is input into the electrolysis apparatus through the silicon-based electrode plate, to implement an electrochemical reaction and output a reaction product.
Resumen de: US20260185249A1
A MOF-derived nitrogen-cobalt heterogeneous nano-box electrocatalyst, along with its preparation method and application, is disclosed. The preparation involves the following steps: S1: preparing a ZIF-67 template; S2: dissolving the ZIF-67 template in anhydrous methanol through ultrasonic stirring to form solution A; S3: dissolving 1H-1,2,3-triazole in anhydrous methanol to form solution B; S4: combining solutions A and B, stirring, allowing the mixture to stand, and performing a substitution reaction; S5: centrifuging, drying, and carbonizing the product under nitrogen protection to obtain the electrocatalyst. In this method, 2-methylimidazole in the ZIF-67 framework is partially replaced by a high-energy nitrogen-containing ligand, 1H-1,2,3-triazole, which provides an abundant nitrogen source and locally restricts cobalt atom coordination. As a result, the electrocatalyst exhibits low hydrogen evolution overpotential under alkaline conditions (1 mol/L KOH).
Resumen de: WO2026139866A1
The present invention relates to a method and system of producing hydrogen gas using a water electrolyser cell that comprises both a catalytic reactor and polymer electrolyte membrane (PEM) electrolyser stack of cells. Oxygen generated by the PEM electrolyser stack may be recycled. The system and method include controlling the concentration of hydrogen in the anode compartment of the PEM electrolyser stack by varying the amount of recycled oxygen.
Resumen de: WO2026140263A1
The present invention comprises: a reactor (2) having a reducing agent for reducing a raw material gas to generate a product gas; a hydrogen generator (3) for generating a reducing gas for reducing the reducing agent; a raw material gas supply path (41) for sending the raw material gas to the reactor; a reducing gas supply path (42) for sending the reducing gas from the hydrogen generator to the reactor; a product gas discharge path (43) for discharging the product gas generated in the reactor; a reuse gas discharge path (44) for discharging, from the reactor, a reuse gas generated from the reducing agent reduced by the reducing gas, and sending the reuse gas to the hydrogen generator; a supply gas switching unit (60) for switching the path of the gas sent to the reactor; and a discharge gas switching unit (70) for switching the path of the gas discharged from the reactor.
Resumen de: WO2026140652A1
This water electrolysis system has a plurality of DC power supplies and a plurality of water electrolysis stacks connected to the plurality of DC power supplies. The water electrolysis system comprises an operation control unit that individually controls the currents of the plurality of DC power supplies. The operation control unit is configured to individually control the currents of the plurality of DC power supplies so that either the average value of the stack voltages or the average value of the cell voltages of the plurality of water electrolysis stacks decreases according to a designated hydrogen production amount. Accordingly, hydrogen can be produced with high efficiency in consideration of variations in the initial performance and performance deterioration of the water electrolysis stacks.
Resumen de: WO2026142354A1
The present invention relates to an electrolyte membrane comprising a bipolar metal selective proton conductor. A hydrogen storage alloy is introduced therein to conduct, without hydration, protons, thereby enabling crossover to be completely blocked, and has excellent mechanical strength, and thus can replace a conventional Nafion electrolyte membrane. In addition, if the electrolyte membrane is applied to a proton-exchange membrane for a fuel cell, electrochemical performance of the fuel cell can be improved.
Resumen de: US20260186480A1
0000 A multi-module matrix control system dynamically manages the operation of electrolyzers across modules to optimize power allocation and maximize efficiency. Each module operates as an independent unit with multiple electrolyzers and corresponding power sources, utilizing linear and nonlinear algorithms for load distribution. The system includes innovative rotation strategies to balance wear and ensure longevity, fault prediction for proactive maintenance, and real-time adjustments to adapt to power input fluctuations. With three operational modes—Peak Performance, Dynamic Equilibrium, and Energy Conservation—the system seamlessly transitions between states based on power availability. This control approach enhances hydrogen production scalability, minimizes energy consumption, and ensures stable, efficient operation under varying conditions, making it ideal for applications ranging from megawatt to gigawatt-scale systems.
Resumen de: US20260183731A1
0000 This specification discloses an ammonia decomposition reactor comprising a plurality of reaction chambers, a passage, an inlet and outlet, and a plurality of flat plate-type heaters. According to the exemplary embodiments of the present invention, the hydrogen production rate can be maximized relative to the weight and volume of the system, and the heaters can be individually controlled, providing the effect of facilitating heat management.
Resumen de: WO2026141806A1
An embodiment of the present invention provides a rhenium-based highly concentrated hydrated hydrazine decomposition catalyst for highly efficient hydrogen production and a method for preparing same. According to an embodiment of the present invention, there is an effect of providing a high-performance hydrated hydrazine decomposition catalyst having up to 100% hydrogen selectivity for concentrated hydrated hydrazine while generating only hydrogen (H2) and nitrogen (N2) molecules as a result of a reaction.
Resumen de: WO2026140362A1
Provided are a substrate tube capable of suppressing waste of a functional film material and a supply gas and achieving both mechanical strength and weight reduction, an electrolysis cell stack provided with the same, an electrolysis cell cartridge and an electrolysis cell module, and a manufacturing method of the electrolysis cell stack. A substrate tube (10) according to the present disclosure includes: a honeycomb structure part (11) having a tubular outer peripheral wall (13), a tubular inner peripheral wall (14) coaxially disposed on the inner side of the outer peripheral wall (13), and a partition wall (15) defining a plurality of hole portions (16) between the outer peripheral wall (13) and the inner peripheral wall (14); and a hollow part (12) having an outer contour defined by the inner peripheral wall (14). The honeycomb structure part (11) has an outer peripheral hole group (17) in which some of the plurality of hole portions (16) are arranged in an annular shape along the outer periphery of the substrate tube (10), and an inner peripheral hole group (18) in which the rest of the plurality of hole portions (16) are arranged in an annular shape on the inner side in the radial direction of the substrate tube (10) with respect to the outer peripheral hole group (17). The cross-sectional area of each hole portion (19) of the outer peripheral hole group (17) is 2 to 13 times larger than the cross-sectional area of each hole portion (20) of the inner peripheral hole grou
Resumen de: WO2026141293A1
Provided is a solid polymer electrolyte membrane that has high durability during electrolysis. Provided is a solid polymer electrolyte membrane which contains a fluorine-containing polymer that comprises a unit represented by a specific formula (1). In the infrared spectrum of the fluorine-containing polymer, the ratio of the maximum absorbance I1690 at 1690 ± 10 cm-1 to the maximum absorbance I2350 at 2350 ± 30 cm-1 is 0.150 or less. By Raman spectroscopy, when a cross section in the thickness direction is irradiated with polarized light orthogonal to the thickness direction to obtain a spectrum chart, A1 is the ratio of the peak area a2 of 680 to 760 cm-1 to the peak area a1 of 1025 to 1095 cm-1, and when the cross section in the thickness direction is irradiated with polarized light parallel to the thickness direction to obtain a spectrum chart, B1 is the ratio of the peak area b2 of 680 to 760 cm-1 to the peak area b1 of 1025 to 1095 cm-1, and the ratio of B1 to A1 is 1.05 or more.
Resumen de: US20260185250A1
A porous transport layer (PTL) may include a porous structure having a first region having a first porosity and a second region having a second porosity less than the first porosity, the first region is configured to allow conduction of electrons within a catalyst layer of the electrochemical cell, to channel water and gases in the catalyst layer, the porous structure having a top face in contact with a flow field of the electrochemical cell and a first and second bottom face, the first bottom face being a bottom face of the first region and the second bottom face being a bottom face of the second region offset the bottom face of the first region in a thickness direction of the porous structure, and the second region configured to provide mechanical stability to a membrane portion of the electrochemical cell adjacent to the first bottom face.
Resumen de: WO2026141825A1
The present invention relates to an oxygen evolution electrode catalyst comprising bismuth (Bi), wherein the bismuth exists together with iridium or an iridium compound to provide improved durability in an oxygen evolution reaction.
Resumen de: KR20260103023A
본 발명은 (a)양극 산화 알루미늄 나노 템플릿 상에 원자층 증착법을 이용하여 금속산화물층을 형성하는 단계; (b)상기 금속산화물층 상에 원자층 증착법을 이용하여 금속 촉매층을 형성하는 단계; (c)상기 금속 촉매층 상에 이오노머층을 형성하는 단계; (d)상기 이오노머층이 형성된 양극 산화 알루미늄 나노 템플릿의 일면을 양이온 교환막의 일면과 열 압착하는 단계; 및 (e)상기 양극 산화 알루미늄 나노 템플릿을 제거하여 나노튜브 구조의 촉매 전극층을 형성하는 단계를 포함하는, 막전극접합체의 제조 방법 및 이를 통해 제조된 막전극접합체에 관한 것이다.
Resumen de: US20260184561A1
Methods and systems for converting hydrogen sulfide (H2S) to hydrogen (H2) and sulfur (S). The method includes passing a H2S-containing feed gas stream through one or more membrane reactors to contact the H2S-containing feed gas stream with a H2S decomposition catalyst of a hydrogen-permeable membrane, thereby converting at least a portion of the H2S to H2 and S and producing a spent catalyst in-situ, a H2 permeate gas stream, and a retentate gas stream. The hydrogen-permeable membrane allows only H2 to pass through in the formation of the H2 permeate gas stream. The S is present in the retentate gas stream in the form of a vapor.
Resumen de: AU2025219584A1
The present disclosure provides an improved ammonia-producing plant and process for the simultaneous production of hydrogen and ammonia as end products, by integrating a hydrogen separation unit into an ammonia-producing plant. More in particular, the present disclosure provides an ammonia production plant comprising (a) a reforming section, (b) a purification section, downstream of the reforming section, and (c) an ammonia synthesis section, downstream of the purification section, wherein the plant further comprises (d) a hydrogen separation unit, wherein the hydrogen separation unit has an inlet for a hydrogen-containing gas stream, a first outlet for a pure hydrogen gas, particularly for providing the pure hydrogen to a hydrogen network, and a second outlet for a tail gas, particularly wherein the inlet of the hydrogen separation unit is in fluid communication with a hydrogen-containing gas stream in the purification section and/or in the ammonia synthesis section, and/or with a hydrogen-containing gas stream between the purification section and the ammonia synthesis section of the ammonia production plant, and, particularly, wherein the second outlet is in fluid communication with the reforming section and/or with the purification section of the ammonia production plant.
Resumen de: WO2026137699A1
An electrolytic cell insulation detection apparatus, comprising: an insulation detection module (10), which comprises a first end (P1) and a second end (P2), wherein the first end (P1) is configured to be connected to an electrode plate (130) of an electrolytic cell, the second end (P2) is configured to be connected to a tie rod (140) of the electrolytic cell, and the insulation detection module (10) is configured to collect an impedance signal of the electrolytic cell during operation; and a control unit (190), which is electrically connected to the insulation detection module (10), and is configured to perform insulation detection on the basis of the received impedance signal.
Resumen de: WO2026133784A1
The purpose of the present invention is to provide a water electrolysis control system and a water electrolysis control method that, in a water electrolysis system for producing green hydrogen, have the capability of contributing to balancing related to electric power provided to a power system and can suppress reductions in the operating rate of an electrolysis stack. This water electrolysis control system for an electrolysis system that is connected to a power system and has an electrolysis stack for producing hydrogen is characterized by comprising: a voltage measurement unit, an electric current measurement unit, and a temperature measurement unit that are installed in the electrolysis stack; a power supply device that receives an electric power command from an upper control; and a control unit that controls at least one of the flow rate of water to the electrolysis stack and a cooling amount, said control unit controlling the temperature of the electrolysis stack on the basis of a change in the electric power command from the power system.
Resumen de: AU2024397101A1
The invention relates to an electrolytic cell (01) for the electrolysis of CO2, comprising a cathode side (02) and an anode side (03). The electrolytic cell (01) comprises a cathode plate (04), a gas chamber (06), a gas-diffusion layer (08), a catalyst layer (09), a water chamber (07) and an anode plate (05). The contacting of the catalyst layer (09) is optimized by using a plurality of current bridges (10). To this end, these current bridges (10) are electrically conductively connected to the cathode plate (04) and to the catalyst layer (09) while penetrating the gas-diffusion layer (08).
Resumen de: WO2026139715A1
Methods for producing synthetic fuels may include reacting hydrogen and carbon dioxide in with a first catalyst and an adsorbent in a first reverse water gas shift (rWGS) reactor to produce hydrogen, carbon monoxide, and water; cooling the hydrogen, carbon monoxide, and water produced in the rWGS, to produce a cooled syngas; separating, from the cooled syngas, water to produce a syngas comprising carbon monoxide, hydrogen, unconverted carbon dioxide, and methane; purifying the cooled syngas; reacting the cooled syngas with a second catalyst to produce a synthetic hydrocarbon solution; and purifying the synthetic hydrocarbon solution to produce a final product.
Resumen de: US20260185431A1
0000 Disclosed is an e-methanol SAGD plant system applicable to unconventional oil production areas capable of producing e-methanol using CO<2 >and carbon-reduced green hydrogen generated by a plant configured to recover bitumen using only a mixture of eco-friendly hydrogen generated by a water electrolysis apparatus and natural gas and steam instead of expanding solvent SAGD (ES-SAGD), which is a recovery method using steam, natural gas, and an additive (a solvent) used to reduce the steam-to-oil ratio (SOR), which impacts environmental pollution, when recovering an oil component from subterranean oil sands based on the widely adopted steam-assisted gravity drainage (SAGD) technology, among methods of recovering bitumen from oil sands.
Nº publicación: WO2026139765A1 02/07/2026
Solicitante:
SAIPEM S P A [IT]
SAIPEM S.P.A.
Resumen de: WO2026139765A1
A process for producing hydrogen comprises a first operation mode and a second operation mode; the first operation mode comprises the steps of: producing CO in gaseous form by electrolysis in electrolytic cells supplied with energy and CO2; using a portion of the CO produced by electrolysis in a CO conversion step together with H2O, for example in a conversion step by water-gas shift reaction or an electrolysis conversion step of CO and H2O, where CO is converted to CO2 and H2 is produced; storing the remaining portion of the CO in a storage, optionally in liquid form after a liquefaction step; the second operation mode comprises the steps of taking CO, stored in the first operation mode, from the storage and using it, together with H2O, in the CO conversion step, for example in a conversion step by water- gas shift reaction or an electrolysis conversion step of CO and H2O, where CO is converted to CO2 and H2 is produced.
BOPI
Sede Electrónica
