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634
resultados
Última actualización
29/04/2025 [06:59:00]
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: 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: WO2025084937A1
A method of producing a gas via electrolysis of water, the method comprising: performing electrolysis of water within one or more electrolysis cells (52) to produce a mixture comprising a liquid and one of hydrogen and oxygen; and separating, within a separator (53), the mixture into a gas and a liquid, wherein the separator operates at a higher pressure than the pressure at which the one or more electrolysis cells operate.
Resumen de: WO2025081550A1
The present invention relates to the field of photoelectrochemical water splitting for hydrogen production. Disclosed is a silver bismuth sulfide (AgBiS2)-based composite photocathode used for photoelectrochemical water splitting for hydrogen production and a preparation method therefor. The composite photocathode structurally comprises a molybdenum-plated conductive substrate located at the bottom, an AgBiS2 light absorption layer located above the conductive substrate, a CdS buffer layer located above the light absorption layer, a TiO2 protective layer located above the buffer layer, and a Pt hydrogen evolution cocatalyst layer located above the protective layer. The preparation method therefor comprises the following steps: using a spray pyrolysis method to spray on a molybdenum-plated substrate an AgBiS2 layer; then, using a chemical bath deposition method to deposit on the AgBiS2 layer a CdS layer; then, using an atomic layer deposition method to deposit on the CdS layer a TiO2 layer; and finally, using a photo-assisted electrodeposition method to deposit on the TiO2 layer a layer of Pt nanoparticles. The AgBiS2-based photocathode disclosed in the present invention can implement at certain bias voltages efficient and stable photoelectrochemical water splitting for hydrogen production, and the preparation method therefor is simple and low-cost.
Resumen de: WO2025081215A1
A sustainable water fuelled process and apparatus where a Unipolar electrolysis of water is described and the hydrogen and oxygen are stored before feeding a hydrogen fuel cell which is capable of providing sufficient electricity to provide power to a drive a vehicle, power a generator etc, after supplying electricity to the Unipolar electrolyser and the storage of the hydrogen and oxygen.
Resumen de: AU2023352489A1
A water electrolysis apparatus (100) includes: an electrolytic cell (20) for electrolyzing water; a circulation pump (27) that is installed in a water circulation line (23) for supplying water from an oxygen gas-liquid separator (22) to the electrolytic cell (20); an inverter (50) that supplies power to the circulation pump (27); and a control unit (60) that controls the inverter (50) to change the circulating water flow rate of the water circulation line (23).
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: AU2025202458A1
A device (1) for performing electrolysis of water is disclosed. The device comprising: a semiconductor structure (10) comprising a surface (11) and an electron guiding layer (12) below said surface (11), the electron guiding layer (12) of the semiconductor structure (10) being configured to guide electron movement in a plane parallel to the surface (11), the electron guiding layer (12) of the semiconductor structure (10) comprising an InGaN quantum well (14) or a heterojunction (18), the heterojunction (18) being a junction between AIN material and GaN material or between AIGaN material and GaN material; at least one metal cathode (20) arranged on the surface (11) of the semiconductor structure (10); and at least one photoanode (30) arranged on the surface (11) of the semiconductor structure (10), wherein the at least one photoanode (30) comprises a plurality of quantum dots (32) of InxGa(1-x)N material, wherein 0.4 x 1. Also a system comprising such device is disclosed. Figure for publication: Fig. 1 30 20 30 20 40 )-12, 16 Fig.1 Fig.2
Resumen de: AU2023391802A1
The present invention pertains to an ammonia decomposing catalyst and a method for producing same. More specifically, the present invention pertains to: an ammonia decomposing catalyst containing an MgAl
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: 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: US2025129762A1
A system and method by which energy from ocean waves is converted into hydrogen, and that hydrogen is used to manifest electrical and mechanical energies by an energy consuming device. A portion of the generated electrical power is communicated to water electrolyzers which produce oxygen and hydrogen from water as gases. At least a portion of the generated hydrogen gas is transferred to a transportation ship via a hose-carrying, remotely operated (or otherwise unmanned) vehicle, and subsequently transferred to an energy-consuming module or infrastructur, where a portion of the hydrogen is consumed in order to manifest a generation of electrical energy, a mechanical motion, and/or a chemical reaction.
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: 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.
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: US2025129300A1
A gas-oil separation plant (GOSP) system includes a crude inlet line extending to a separation vessel where a sour gas stream may be separated from an inlet fluid stream. The GOSP system provides an H2S membrane system where the sour gas stream may be directed for separation of H2S and an electrolyzer where H2 may be separated from the H2S. The GOSP system also includes a combustion gas turbine where an exhaust containing CO2 is produced and a CO2 membrane system where the CO2 may be separated from the exhaust. The H2 and CO2 may be combined and reacted in a Sabatier reactor to produce CH4 and H2O. The CH4 may be used to fuel the combustion gas turbine and the H2O may be directed to a steam head for use in other processes. Additionally, a sweetened gas stream having the H2S removed may be exported by the GOSP system.
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: 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: 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: 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: 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: AU2023260588A1
A separator for alkaline electrolysis (1) comprising a porous support (10), a first porous layer (20b) provided on one side of the porous support and a second porous layer (30b) provided on the other side of the porous support, wherein the first and the second porous layer are partially impregnated into the porous support and each have an overlay thickness d1 and d2 respectively, said overlay thickness being defined as the part of each porous layer which is not impregnated into the porous support, characterized in that a) d1 is smaller than the overlay thickness of the second porous layer (d2), and b) d1 is at least 20 µm.
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.
Nº publicación: WO2025083095A1 24/04/2025
Solicitante:
CENTRE NATIONAL DE LA RECHERCHE SCIENT [FR]
UNIV DE LORRAINE [FR]
CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE,
UNIVERSITE DE LORRAINE
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.
BOPI
Sede Electrónica
