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669
resultados
Última actualización
03/05/2025 [07:03:00]
Resultados 25 a 50 de 669
Resumen de: EP4545192A2
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.
Resumen de: US2025129001A1
In a process for producing methanol, a synthesis gas that has been recovered from biomass is fed to a methanol synthesis apparatus. In a main operating mode in which sufficient electrical power is available for electrolytic hydrogen recovery, correspondingly electrolytically recovered hydrogen is fed to the methanol synthesis apparatus. In a secondary operating mode in which insufficient electrical power is available for electrolytic production of hydrogen, a tail gas that arises from a biogas recovered from a biomass on removal of the synthesis gas is fed to a generator in order to provide electrical power for apparatuses involved in the process.
Resumen de: AU2023288544A1
Disclosed herein are low voltage electrolyzers and methods and systems of using those low voltage electrolyzers. Specifically, the electrolyzers can include a pH buffer in the catholyte and/or anolyte of the electrolyzer and generating a gas at the cathode or anode that is consumed at the other of the cathode or anode to reduce the open-circuit potential.
Resumen de: EP4545689A1
The present invention relates to a method for operating a Power-To-Hydrogen system (10) comprising at least one electricity source (1), at least one electrolyzer (2), a first hydrogen storage device (3) with permanent availability and a hydrogen transfer station (4). The hydrogen transfer station (4) is adapted and configured to be coupled temporarily to one or multiple second hydrogen storage devices (5,51,52) with time-dependent availability for a transfer of hydrogen to the one or multiple second hydrogen storage devices (5,51,52). A hydrogen production rate (P(t)) of the electrolyzer (2) is controlled based on a forecasted total available hydrogen storage capacity, wherein the forecasted total available hydrogen storage capacity comprises a storage capacity (X) of the first hydrogen storage device (3) and a time-dependent storage capacity of the second hydrogen storage device (5,51,52) provided by a hydrogen storage capacity model (C(t)).The method according to invention allows for an optimized hydrogen production planning and thus improves both profitability and sustainability of the Power-To-Hydrogen system.
Resumen de: EP4545687A1
An object of the present invention is to provide an electrolyte membrane having an excellent joining property between an electrolyte membrane and a catalyst layer. The present invention mainly relates to an electrolyte membrane including a layer (A) containing a polymer electrolyte, and a layer (B) on at least one of the faces of the layer (A), wherein porosity (X1) in an interface region of the layer (B), on the layer (A) side, is higher than porosity (X2) in another interface region of the layer (B), on the opposite side to the layer (A).
Resumen de: EP4545479A1
Provided are a carbon nanotube molded body including carbon nanotubes, and a method of producing the same, wherein the carbon nanotube molded body has a specific surface area of 700 m<sup>2</sup>/g or more, the carbon nanotube molded body has a pore distribution from 3 to 15 nm, the carbon nanotube molded body has a tensile strength of 45 MPa or more, and the carbon nanotube molded body has a Young's modulus of 1600 MPa or more. Also provided are an electrochemical water-splitting electrode comprising the carbon nanotube molded body and platinum supported on the carbon nanotube molded body, a method of producing the same, and an electrochemical water-splitting apparatus comprising the electrochemical water-splitting electrode.
Resumen de: EP4545690A1
An electrolysis device of the present disclosure includes an electrolytic cell, an electrolyte supply unit, and an ion concentration adjustment unit. The electrolytic cell includes an anode chamber, a cathode chamber, and an ion exchange membrane disposed between the anode chamber and the cathode chamber. The electrolyte supply unit includes at least one tank accommodating an electrolyte, circulates a portion of the electrolyte as a first electrolyte between the at least one tank and the anode chamber, and circulates another portion of the electrolyte as a second electrolyte between the at least one tank and the cathode chamber. The ion concentration adjustment unit supplies an adjustment solution for adjusting a hydrogen ion concentration to the electrolyte supply unit.
Resumen de: 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).
Resumen de: AU2023359368A1
Electrolyser (1) for production of hydrogen gas and comprising a stack of bipolar electrodes (9) sandwiching ion-transporting membranes (2) between each two of the bipolar electrodes (9). Each bipolar electrode comprises two metal plates (9A, 9B) welded together back-to-back forming a coolant compartment in between and having a respective anode surface and an opposite cathode surface, each of which is abutting one of the membranes. The plates (9A, 9B) are embossed with a major vertical channel (10A, 10B) and minor channels (11A, 11B) in a herringbone pattern for transport of oxygen and hydrogen gases. The embossed herringbone pattern is provided on both sides of the metal plates (9A, 9B) so as to also provide coolant channels (11B) in a herringbone pattern inside the coolant compartment.
Resumen de: US2025129492A1
A spring plate assembly. The assembly includes spring plates with each of the spring plates having a perimeter section extending in a first plane, at least one bridge section extending from a first portion of the perimeter section to a second portion of the perimeter section, and spring elements that extend from the at least one bridge section. A first pair of adjacent spring plates are configured to engage a corresponding one of the perimeter sections when stacked in a first configuration and the first pair of adjacent spring plates are configured to engage a corresponding one of the plurality of spring elements when stacked in a second configuration.
Resumen de: CN119265595A
The invention belongs to the technical field of hydrogen production electrolytic cells, and particularly discloses an electrode catalyst for a hydrogen production electrolytic cell and a preparation method thereof, an electrode and an electrolytic cell, the electrode catalyst comprises first metal nanoparticles, the size of the first metal nanoparticles is smaller than or equal to 10 nm, the first metal nanoparticles form a first metal nanoparticle aggregation structure, and the first metal nanoparticles form a second metal nanoparticle aggregation structure; the size of the first nano-particle agglomerated structure is less than or equal to 65 nm; the second metal nanoparticles are distributed among the first metal nanoparticles and at least partially cover at least one part of the first metal nanoparticles, and the size of the second metal nanoparticles is smaller than or equal to 10 nm. The size of the electrode catalyst nano-particles can be controlled, agglomeration is limited, the crystallinity is reduced, and defect active sites are enriched.
Resumen de: CN116043250A
The invention provides an electrolytic bath which comprises a cathode end plate, a cathode insulating layer, an electrolytic unit, an anode insulating layer and an anode end plate which are sequentially arranged, the electrolytic bath is provided with a first ventilation channel, a second ventilation channel, a first liquid passing channel and a second liquid passing channel, and the cross section of each channel is triangular; in the direction from the cathode end plate to the anode end plate, each small electrolysis chamber comprises a cathode plate, a cathode sealing ring, a cathode gas diffusion layer, a diaphragm, an anode gas diffusion layer and an anode plate which are sequentially arranged, each cathode plate comprises a cathode surface, each anode plate comprises an anode surface, and the cathode plates and the anode plates at the series connection parts between the small electrolysis chambers form a bipolar plate; a cathode reaction cavity is formed between the cathode surface and the cathode gas diffusion layer, an anode reaction cavity is formed between the anode surface and the anode gas diffusion layer, the first ventilation channel and the first liquid channel are communicated with the cathode reaction cavity, and the second ventilation channel and the second liquid channel are communicated with the anode reaction cavity; and flow guide channels are arranged in the cathode reaction cavity and the anode reaction cavity.
Resumen de: WO2025082675A1
The invention relates to a hydrogen-production plant comprising at least a first production line, comprising at least a first electrolysis device with a plurality of first electrolysis modules and comprising a first compressor device with a plurality of first compressor modules, and comprising a controller, comprising at least a schedule-creating module and a control module, wherein the schedule-creating module is designed for creating an activation schedule at least for the first electrolysis modules and for the first compressor modules on the basis of respective performance characteristics of the respective first electrolysis modules, respective performance characteristics of the respective first compressor modules and at least one predetermined optimization criterion, and wherein the control module is designed for activating the first compressor modules and the first electrolysis modules on the basis of the activation schedule created.
Resumen de: US2025132137A1
A scrubber includes a plasma treatment system, a hydrogen supply system, and a wet treatment system. The plasma treatment system performs a plasma treatment in which a process gas and a hydrogen gas are reacted using plasma. The hydrogen supply system supplies the hydrogen gas to the plasma treatment system. The wet treatment system performs a wet treatment in which a by-product generated by the plasma treatment is wet-treated.
Resumen de: US2025131137A1
An offshore wind power-based water electrolysis system includes an offshore wind turbine generator installed offshore to produce electricity using offshore wind energy, a water electrolysis facility installed offshore to produce hydrogen by electrolysis of water using the electricity, a hydrogen maritime transport apparatus to transport the hydrogen produced through the water electrolysis facility to onshore, a hydrogen above-ground storage facility installed on ground to store the transported hydrogen and dispense the hydrogen to ground transport apparatuses, and a system maintenance and management apparatus to calculate and notify a remaining useful life of blades in the offshore wind turbine generator by performing debonding damage simulation, fatigue crack growth simulation and remaining useful life simulation of the blades in a sequential order, and determine and notify stability through finite element analysis for each hydrogen tank in the hydrogen maritime transport apparatus and the hydrogen above-ground storage facility.
Resumen de: US2025129001A1
In a process for producing methanol, a synthesis gas that has been recovered from biomass is fed to a methanol synthesis apparatus. In a main operating mode in which sufficient electrical power is available for electrolytic hydrogen recovery, correspondingly electrolytically recovered hydrogen is fed to the methanol synthesis apparatus. In a secondary operating mode in which insufficient electrical power is available for electrolytic production of hydrogen, a tail gas that arises from a biogas recovered from a biomass on removal of the synthesis gas is fed to a generator in order to provide electrical power for apparatuses involved in the process.
Resumen de: US2025129491A1
To provide a technique allowing reduction in the amount of usage of a catalyst material while alleviating performance degradation of a gas diffusion layer. A cell as an electrode structure comprises an electrolyte membrane, a gas diffusion layer, and a catalyst layer. The gas diffusion layer is positioned on one side with respect to the electrolyte membrane. The gas diffusion layer is a porous layer. The catalyst layer is positioned between the electrolyte membrane and the gas diffusion layer. The catalyst layer is made of a catalyst material. A penetration part formed in the gas diffusion layer by the penetration of the catalyst material having a thickness of 1 μm or less.
Resumen de: US2025129493A1
A hydrogen generation system comprising a wind turbine rotor coupled to a generator, wherein the generator is electrically coupled to a DC-link by way of a primary power converter, the DC-link having a power dissipation element. The system also comprises a hydrogen electrolysis system coupled to the DC-link; an auxiliary power converter coupled to the DC-link; and one or more auxiliary loads. A control system controls the voltage on the DC-link to remain with a predetermined range. In one aspect, the system provides power to at least the auxiliary loads, in such a way as to manage the generation of hydrogen by the electrolyser whilst decoupling the performance of the electrolyser from varying wind conditions.
Resumen de: DE102023136033A1
Eine Federplattenbaugruppe ist vorgesehen. Die Baugruppe umfasst Federplatten, wobei jede der Federplatten einen Umfangsabschnitt aufweist, der sich in einer ersten Ebene erstreckt, mindestens einen Brückenabschnitt, der sich von einem ersten Teil des Umfangsabschnitts zu einem zweiten Teil des Umfangsabschnitts erstreckt, und Federelemente, die sich von dem mindestens einen Brückenabschnitt erstrecken. Ein erstes Paar benachbarter Federplatten ist so konfiguriert, dass es in einen entsprechenden der Umfangsabschnitte eingreift, wenn es in einer ersten Konfiguration gestapelt ist, und das erste Paar benachbarter Federplatten ist so konfiguriert, dass es in ein entsprechendes der Vielzahl von Federelementen eingreift, wenn es in einer zweiten Konfiguration gestapelt ist.
Resumen de: DE102023128707A1
Elektrochemievorrichtung (10), insbesondere Elektrolysevorrichtung, mit einem Zellstapel (11) aus mehreren Zellstapelelementen (12), insbesondere aus mehreren Elektrolysezellen, mit einer Endplatten (14, 15) aufweisenden Kraftbeaufschlagungseinheit (13), wobei der Zellstapel (11) aus den Zellstapelelementen (12) zwischen den Endplatten (14, 15) angeordnet und verpresst ist, wobei ein Raum (21) zwischen den Endplatten (14, 15), in welchem der Zellstapel (11) aus mehreren Zellstapelelementen (12) angeordnet ist, nach außen gegenüber der Umgebung der Elektrochemievorrichtung (10) über ein Hüllelement (22) abgedichtet ist.
Resumen de: WO2025082916A1
The invention relates to a unit (200) for producing hydrogen that comprises: - a stack (102) of solid oxide cells, - an air circuit (110), and a fuel circuit (120) passing through the stack (102); characterised in that the unit (200) is equipped with a stopping system comprising: - an inlet (202) and an outlet (204) for neutral gas, for circulating a predetermined neutral gas in the stack; - an inlet (206) and an outlet (208) for safety gas, for circulating a safety gas in the stack (102); and - a control module (210) for switching the stack (102) from the production configuration to the stopped configuration. The invention also relates to a method for controlling such a unit.
Resumen de: AU2023342258A1
The problem addressed by the present invention is that of specifying a process for electrochemical production of LiOH from Li
Resumen de: WO2025083095A1
The invention relates to Device for electrochemical reversible dihydrogen storage (1), said device comprising: a sealed chamber (2) intended to receive an electrolytic media (3) and gaseous dihydrogen (4), connection means (5) suitable for connecting the seal chamber to a gas circuit (6) and at least one first electrode (7), and at least one second electrode (8), arranged within the sealed chamber. The at least one second electrode is suitable to oxidize dissolved gaseous dihydrogen, in the electrolytic media, and form protons and to reduce protons and form gaseous dihydrogen according to formula 1: H 2 → 2H + + 2e -, formula 1. The at least one first electrode comprises at least one redox couple My/Mx, insoluble in the electrolytic media, said at least one redox couple being arranged to exhibit at least two oxidation states and being suitable to be reduced from an oxidized state My to a reduced state Mx, and conversely, according to formula 2: M y + pe- → M x, formula 2, wherein x and y are oxidation number. An absolute potential difference | ΔE | between a redox potential of the couple H+/H2, for a predetermined electrolytic media and a predetermined pressure range of gaseous dihydrogen, and a redox potential of the at least one couple My/Mx is lower than or equal to 0.6 V.
Resumen de: US2025128834A1
A water collecting device includes an ice-wall forming part configured to heat the ground to form an ice wall with ice that includes moisture in the ground, and a water collecting part configured to recover a first gas within a region surrounded by the ice wall and collect water from the recovered first gas.
Nº publicación: US2025129492A1 24/04/2025
Solicitante:
GM GLOBAL TECH OPERATIONS LLC [US]
GM GLOBAL TECHNOLOGY OPERATIONS LLC
Resumen de: US2025129492A1
A spring plate assembly. The assembly includes spring plates with each of the spring plates having a perimeter section extending in a first plane, at least one bridge section extending from a first portion of the perimeter section to a second portion of the perimeter section, and spring elements that extend from the at least one bridge section. A first pair of adjacent spring plates are configured to engage a corresponding one of the perimeter sections when stacked in a first configuration and the first pair of adjacent spring plates are configured to engage a corresponding one of the plurality of spring elements when stacked in a second configuration.
BOPI
Sede Electrónica
