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1035
resultados
Última actualización
25/06/2026 [08:10:00]
Resumen de: US2025146147A1
Herein discussed is a method of producing carbon monoxide or hydrogen or both simultaneously comprising: (a) providing an electrochemical reactor having an anode, a cathode, and a mixed-conducting membrane between the anode and the cathode; (b) introducing a first stream to the anode, wherein the first stream comprises a hydrocarbon; and (c) introducing a second stream to the cathode, wherein the second stream comprises carbon dioxide or water or both, wherein carbon monoxide is generated from carbon dioxide electrochemically and hydrogen is generated from water electrochemically.
Resumen de: WO2025042435A1
Processes for transporting hydrogen and/or carbon dioxide are described. A process comprises the methanation of hydrogen and carbon dioxide to produce a methanation product comprising methane, transport of the methanation product to a second location, and conversion of the methanation product at the second location to produce hydrogen and carbon dioxide.
Resumen de: WO2025037994A1
The subject of this invention is the system for generation and use of hydrogen in which a subsystem for hydrogen generation (U1) contains a reaction chamber (1) with aluminium (2) and sodium hydroxide (3), to which a water nozzle (4) is attached, connected through a duct (5) to a water pump (6). The upper part of the reaction chamber (1) contains an outlet connection (7) connected to a subsystem for hydrogen purification (U2), which is connected to the subsystem for hydrogen oxidation (U3), to which an inlet (27) through oxygen is supplied, is connected. This system is characterised in that the subsystem for hydrogen purification (U2) contains at least one water tank (9) connected to the subsystem for hydrogen oxidation (U3), which outlet (21) is connected through a non-return valve (22) with the condensing tank (23).
Resumen de: EP4764033A1
0001 Die Erfindung betrifft ein Verfahren zur Rückgewinnung von Ammoniak sowie eine zugehörige Verwendung. Bei einem Verfahren zur Rückgewinnung von Ammoniak, wird eine Ammonium enthaltende Lösung (5) in einer elektrochemische Zelle (1) elektrochemisch zu Ammoniak umgesetzt. Das Ammoniak verlässt die elektrochemische Zelle (1) in gasförmigem Zustand (9).
Resumen de: EP4763799A1
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: WO2025042723A1
A computer-implemented method of providing hydrogen having a defined carbon intensity (CI) value to an end user location, the process comprising: selecting a total end-to-end maximum CI value for the hydrogen from production to delivery of the hydrogen to an end user location; receiving one or more feedstocks; receiving product CI values associated with each feedstock and/or the produced hydrogen; receiving demand data defining the end user demand for the hydrogen; receiving renewable power data; defining, in an optimization model, a plurality of constraints; generating, using the optimization model, a control strategy for control of the one or more industrial plants; and controlling the industrial plants in accordance with the values of the control variables to process the one or more feedstocks in order to provide a required quantity of hydrogen meeting the selected total end-to-end maximum CI value for use by an end user.
Resumen de: WO2026003102A1
The invention relates to a method for producing an electrode (10) for use in the alkaline electrolysis of water, comprising providing a metallic, in particular nickel-based, substrate (12), providing a spray material comprising a nickel-iron alloy, and coating at least one section of the substrate with the spray material by means of thermal spraying. The invention also relates to such an electrode and a spray material.
Resumen de: EP4576478A1
The invention relates to a water electrolysis installation (P) comprising a plurality of electrolysis clusters (Ci) operated at respective electrical power setpoints (Pik). The installation comprises and a supervision unit (SU) for operating the installation (P) according to an electrical network flexibility signal (FSk), the supervision unit (SU) comprising a modulation controller (MOD) for modulating synchronously the electrical power drawn by the installation (P) from an electrical network (NET) according to a preset arrangement, a priority sequencer (SEQ) to establish the preset arrangement asynchronously to the modulation controller (MOD), and a regulator module (REG) to regulate the actual power (Pk) drawn by the installation.
Resumen de: WO2025127755A1
A hydrogen production apparatus of the present invention comprises: an ammonia decomposition reactor for decomposing ammonia to discharge a mixed gas including hydrogen, nitrogen, and unreacted ammonia; an ammonia remover for receiving the mixed gas, adsorbing and removing the unreacted ammonia included in the mixed gas, and discharging a first product gas including hydrogen and nitrogen and a first tail gas; and a nitrogen remover for receiving the first product gas, removing nitrogen included in the first product gas, and discharging a second product gas including hydrogen and a second tail gas, wherein the second product gas discharged from the nitrogen remover is resupplied to the nitrogen remover as a purge gas and a pressurizing gas. According to the hydrogen production apparatus of the present invention, high-purity hydrogen can be continuously produced in large quantities.
Resumen de: AU2026204236A1
A system (1) for generating hydrogen gas comprises a reaction vessel (101) containing an aqueous solution (102) and a cathode (105) and an anode (107) each positioned at least partly in the reaction vessel (101). The system (1) comprises first and second ultrasonic transducers (215-220) which emit ultrasonic waves in the direction of the cathode (105) and the anode (107) respectively. Each ultrasonic transducer (215-220) is driven by a respective transducer driver (202) to optimise the operation of the system (1) for generating hydrogen gas by sonoelectrolysis. un u n
Resumen de: WO2026126586A1
The present invention provides: an electrolysis cell stack which is capable of suppressing a methanation reaction of a product gas generated at a hydrogen electrode by co-electrolysis even in cases where a methanation catalyst is contained in a flow path through which the product gas flows; an electrolysis cell cartridge; an electrolysis cell module; and a method for manufacturing an electrolysis cell stack. An electrolysis cell stack (101) according to the present disclosure is provided with: an electrolysis cell (105) in which a hydrogen electrode (109), a solid electrolyte membrane (111), and an oxygen electrode (113) are sequentially stacked; and a flow path (117) through which a product gas generated at the hydrogen electrode (109) by co-electrolysis flows. A configuration (103) that defines the outer contour of the flow path (117) has a poisoning surface layer (119) that contains a methanation catalyst poisoned by S.
Resumen de: US20260168622A1
0000 A distributed hydrogen energy system adds onto existing infrastructure of a localized renewable energy microgrid and utilizes excess generated energy to power an electrolyzer to produce hydrogen gas on site that is compressed and stored in a stationary pressure vessel. The stored hydrogen gas can be used directly within the local renewable energy microgrid wherein the stored hydrogen gas is converted to energy through use of one or more fuel cells or can be used in the context of a distributed energy system wherein the stored hydrogen gas is shared as part of a larger distribution network via pipeline or via one or more portable pressure vessels.
Resumen de: WO2026128841A2
A method and system of generating electrical power or hydrogen from thermal energy is disclosed. The method includes adding heat to (or removing heat from) a salinity gradient generator configured to generate a more concentrated and a less concentrated saline solution. The method further includes drawing the more concentrated saline solution and the less concentrated saline solution from the salinity gradient generator and feeding the more concentrated saline solution and the less concentrated saline solution into a power generator. Feeding the saline solutions into the power generator causes the power generator to receive the saline solutions and generate power by performing a controlled mixing of the more concentrated saline solution and the less concentrated saline solution. The method further includes drawing, from the power generator, a combined saline solution comprising the mixed saline solutions and feeding the combined saline solution to the salinity gradient generator.
Resumen de: WO2026127464A1
The present invention relates to a water electrolysis operation control system linked to power produced from solar energy, and, to a water electrolysis operation control system linked to solar-generated power for maximizing hydrogen production relative to renewable energy generation. The present invention comprises: a water electrolysis system (100) that is supplied with power from a solar power system and produces hydrogen; and a control unit (200) that controls an output of the water electrolysis system, wherein the control unit adjusts the output of the water electrolysis system according to the variability of the amount of solar power generation, by controlling the output of the water electrolysis system, controlling regular time intervals, controlling regular output intervals, and combining the control of the regular time intervals and the control of the regular output intervals, thus having the effect of reducing ESS capacity and increasing hydrogen production efficiency by means of a water electrolysis operation method that actively responds to the variability of renewable energy.
Resumen de: WO2026127092A1
Provided is a solid polymer electrolyte membrane with a catalyst layer having low hydrogen permeability. The solid polymer electrolyte membrane with a catalyst layer includes a first catalyst layer and a solid polymer electrolyte film. The first catalyst layer includes a fluorine-containing polymer F1-1 including a unit having a cyclic ether structure and a unit having an ion exchange group. The solid polymer electrolyte membrane includes a fluorine-containing polymer F2 including a unit having two or more ion exchange groups. The ion exchange capacity of the fluorine-containing polymer F2 is 1.65 meq/g dry resin or less.
Resumen de: WO2026123932A1
The present invention provides a device for the preparation of p-benzoquinone by means of electrocatalytic oxidation of hydroquinone coupled with cathode hydrogen production by means of water electrolysis, and the use thereof. The hybrid water electrolysis system comprises an electrolyte, a separator, a membrane electrode, and an electrode plate having flow channels. In the present invention, an anodic oxygen evolution reaction (OER) in water electrolysis is replaced by the oxidation of hydroquinone, which can significantly reduce the voltage of the system. The electrocatalytic oxidation of hydroquinone to produce p-benzoquinone may be carried out under the condition of 0.7 V (vs. RHE), and compared with 1.8 V for OER, the electrical energy consumption of the system is reduced by nearly two-thirds. In the present invention, by means of selecting or synthesizing a catalyst, selecting a suitable ion exchange membrane, controlling the system voltage, etc., the system voltage for the electrocatalytic oxidation of hydroquinone coupled with hydrogen production by means of water electrolysis is successfully reduced, and the obtained product is single p-benzoquinone with a higher economic value and can be separated and obtained simply by means of filtration.
Resumen de: AU2024389236A1
An electrolyzer stack (17) wherein each of the electrode compartments (5, 6) is delimited by the ion-transporting separator (15) and a bipolar plate (14) as well as a gasket (25) that is surrounding the electrode compartments (5, 6). An electrolyte manifold (27) extends along the stack (17) and through an opening (20) in each of the bipolar plates (14). The electrolyte manifold (27) is formed by multiple serially connected flow restrictors (28), of which one flow restrictor (28) is provided per cell (1) and inserted between neighbouring gaskets (25) and comprises a flow canal (30) having a canal inlet (30 A) and a canal outlet (30B), wherein the canal inlet (30 A) is provided in the throughput opening and fluid-flow connected to the electrolyte manifold (27) and the canal outlet (30B) is fluid-flow connected to one of the cells (1) for supply of electrolyte from the electrolyte manifold (27) to the respective cell (1). The canal is narrow and long for reducing shunt currents and for providing a pressure drop larger, for example at least 10 times higher, than a pressure drop along the electrolyte manifold (27).
Resumen de: WO2026126399A1
This separator is used in an electrolysis cell that produces hydrogen from water contained in a conductive fluid, and this separator comprises a conductive plate and an insulating layer that covers a part of the conductive plate. The conductive plate is provided with: an electrolysis region which is formed in a central part of a first surface of the conductive plate; and a supply manifold which is formed in an outer peripheral part that surrounds the central part on the first surface, and which penetrates the conductive plate. The insulating layer is provided with: a first covering part which covers the inner peripheral surface of the supply manifold; and a second covering part which forms a groove-shaped supply path that connects from the supply manifold to the electrolysis region. The electrolysis region is exposed from the insulating layer.
Resumen de: US20260166526A1
One embodiment of the present invention provides a metal composite catalyst for ammonia decomposition and hydrogen production, comprising: a composite metal oxide support; and metal nanoparticles dispersed on a surface or inside pores of the composite metal oxide; wherein the composite metal oxide support is derived from a layered double hydroxide comprising nickel and at least two types of metals different from nickel, the metal nanoparticles are reduced from the composite metal oxide support, and a weight content of nickel metal, measured by ICP analysis, is 45 wt % or more.
Resumen de: WO2026123439A1
A kilowatt-scale reaction device for water-electrolysis-based hydrogen production coupled with oxidation, comprising a power supply system, a reactor system, a raw material supply system, a cooling system, and a gas detection system. The reactor system comprises integrated condensation reactors (2) connected to each other and a static mixer (3). The raw material supply system comprises raw material tanks (4). The raw material tanks (4) are communicated with the static mixer (3). The cooling system comprises a mixer cold trap (8) and a reactor cold trap (9). The mixer cold trap (8) is communicated with the static mixer (3). The reactor cold trap (9) is communicated with the integrated condensation reactors (2). A reaction system operates safely and stably, enabling co-production of high-purity hydrogen at a cathode while achieving electrocatalytic oxidation of various biomass molecules, thereby expanding the reaction scale.
Resumen de: AU2024395036A1
The invention concerns a method of electrolysing water using an electrolyser comprising an anode; a cathode and optionally a separator; wherein at least one of the cathode and the separator comprises a substrate and a coating, and the coating comprises 9.5 to 35 wt% chromium; 10 to 75 wt% cobalt; and 10 to 60 wt% of one or more further transition metals and/or one or more non-metallic elements selected from C, P, N and B.
Resumen de: US20260171475A1
An anode for electrolysis in which electrolysis performance is less likely to deteriorate even when electric power having a large output fluctuation, such as renewable energy, is used as a power source and in which excellent catalytic activity is stably maintained for a long period of time is provided. The anode for electrolysis 10 includes a conductive substrate 2 in which at least a surface of the conductive substrate 2 is formed of nickel or a nickel-based alloy; and a first layer 4 formed on the surface of the conductive substrate 2, the first layer 4 being capable of functioning as a catalyst layer containing a lithium-containing nickel cobalt oxide represented by a composition formula LixNiyCozO4 (0.05≤x≤1.0, 1.0≤y≤2.0, 1.0≤z≤2.0, and x+y+z=2 to 3).
Resumen de: WO2026127017A1
The present invention provides a solid polymer electrolyte membrane which has high durability during electrolysis and excellent proton conductivity. Provided is a solid polymer electrolyte membrane which contains a fluorine-containing polymer that comprises a unit having two or more ion exchange groups, wherein: the ion exchange capacity of the fluorine-containing polymer is 0.70-1.55 milliequivalents/g dry resin; and in the infrared spectrum obtained by measuring the fluorine-containing polymer by infrared spectroscopy, the ratio of the maximum absorbance I1690 at 1,690 ± 10 cm-1 to the maximum absorbance I2350 at 2,350 ± 30 cm-1 is 0.150 or less.
Resumen de: WO2026123413A1
The present invention relates to the technical field of water electrolysis. Disclosed are a catalyst for seawater electrolysis, and a preparation method therefor and a use thereof. A MOFs-based electrocatalyst having excellent chloride ion corrosion resistance, stability and high controllability is synthesized by means of sulfuration treatment, and is used for an OER reaction of seawater electrolysis. The catalyst has excellent structural stability, chlorine corrosion resistance, more surface active sites, and high catalytic activity. Upon an electrochemical test of the catalyst, only Ni3S4 is restructured to form S-O anions, while NiFe-MOF does not undergo significant oxidation and structural changes, indicating that the NiFe-MOF has good structural stability. In addition, the S-O anions are preferentially adsorbed onto Fe3+ at a heterogeneous interface, thereby modulating the electronic structure of nearby Ni2+, and thus optimizing the adsorption and desorption ability of Ni2+ toward OER reaction intermediates.
Nº publicación: US20260171434A1 18/06/2026
Solicitante:
ROBERT BOSCH GMBH [DE]
Robert Bosch GmbH
Resumen de: US20260171434A1
The present invention relates to a bipolar plate (100) for a chemical energy converter (200, 300). The bipolar plate (100) comprises: a plurality of channels (101) for guiding operating media of the energy converter (200, 300),a plurality of supply openings (103) for supplying the plurality of channels (101) with operating media,a plurality of distribution channels (105) for distributing operating media to the plurality of channels (101), wherein respective distribution channels (105) of the plurality of distribution channels (105) extend between respective supply openings (103) of the plurality of supply openings (103) and respective channels (101) of the plurality of channels (101), and wherein respective supply openings (103) of the plurality of supply openings (103) have, on a distribution channel side which faces respective distribution channels (105) of the plurality of distribution channels (105), a curved edge region, at least in some regions.
BOPI
Sede Electrónica
