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819
resultados
Última actualización
09/10/2025 [12:53:00]
Resultados 25 a 50 de 819
Resumen de: DE102024108733A1
Eine Anordnung (1) elektrochemischer Zellen (2), insbesondere Elektrolysezellen, umfasst eine mehrere, jeweils in einem Zylinder (15, 16) geführte Kolben (18) aufweisende hydraulische Kompressionsvorrichtung (7), welche zur Ausübung einer Druckkraft auf die gestapelten Zellen (2) ausgebildet ist. Die Zylinder (15, 16) sind durch mindestens eine zum Druckausgleich vorgesehene Querverbindung (12, 13) miteinander verbunden.
Resumen de: DE102024108849A1
Die Erfindung betrifft eine Vorrichtung zur Herstellung von Wasserstoff mittels eines Elektrolyseurs (1), wobei dem Elektrolyseur (1) Wasser aus einer Wassererzeugungsvorrichtung (6) zugeführt wird, wobei die Wassererzeugungsvorrichtung (6) Mittel zum Entziehen und Verflüssigen der Feuchtigkeit der Umgebungsluft (5), insbesondere in Form eines Wärmetauschers der die Feuchtigkeit der Umgebungsluft kondensieren lässt, aufweist, wobei die Energie der Abwärme (2) des Elektrolyseurs (1) der Umgebungsluft (5) vor dem Feuchtigkeitsentzug zugeführt wird, um diese zu erwärmen.
Resumen de: WO2025204109A1
The purpose of the present invention is to improve the energy efficiency of a hydrogen production system as a whole. A hydrogen production system (1) produces hydrogen. The hydrogen production system (1) is provided with: an SOEC (10) that is supplied with an oxidizing gas and steam and generates hydrogen by electrolyzing the supplied steam; a steam generation unit (20) that generates the steam supplied to the SOEC (10) by heating feed water; and a power supply device (40) that supplies power to the SOEC (10) so that the SOEC (10) operates at an operation point exceeding a thermal neutral point. The steam generation unit (20) uses heat generated in the SOEC (10) to heat the feed water, and generates the steam without using heat supplied from outside of the hydrogen production system (1).
Resumen de: WO2025204074A1
Provided are an electrolysis module cooling method and an electrolysis system capable of reducing an atmospheric temperature inside a container. Provided is a cooling method for an electrolysis module (200) comprising: at least one electrolysis cartridge (220) that includes an electrolysis cell and generates hydrogen by electrolyzing water vapor generated from water supply; and a pressure vessel (210) that accommodates the electrolysis cartridge (220). In the method for cooling the electrolysis module (200), the air is subjected to heat exchange with water supply in order to heat the water supply, and the heat-exchanged air is supplied to the pressure vessel (210) to cool the inside of the pressure vessel (210).
Resumen de: WO2025205502A1
Provided are: a separator for hydrogen production, the separator containing a woven fabric support and a porous material that contains an organic polymer, wherein the calender ratio of the woven fabric support calculated by the formula below is 73% or less; an alkaline water electrolysis member, an alkaline water electrolysis cell, an alkaline water electrolysis device, and a method for producing hydrogen, each using the same; and a method for producing a separator for hydrogen production. Calender ratio = (d2/(2 × d1)) × 100% In the formula, d1 represents the fiber diameter of the woven fabric support, and d2 represents the thickness of the woven fabric support.
Resumen de: WO2025207369A1
The disclosure presents an integrated system consisting of a wastewater production unit, e- methane reactor, an electrolyzer for producing hydrogen, a cryogenic separation unit and an ammonia production unit, where e-methane is produced by reaction of carbon dioxide obtained from direct air capture/biogenic CCh/captured industrial CO2 emissions/oxidized solid carbon, and from CO2 separated from biogas obtained from wastewater treatment, and hydrogen gas from electrolysis of water. The hydrogen gas is also reacted with nitrogen obtained from the cryogenic unit for the synthesis of ammonia, where heat from ammonia synthesis is transferred to e-methane reactor for energy efficiency. By integrating these units and reactors, the disclosure provides a system for efficient use of energy and by-products.
Resumen de: WO2025205501A1
Provided are: a porous separator which is for alkaline water electrolysis and satisfies <Condition I> below; an alkaline water electrolysis member using the same; an alkaline water electrolysis cell; an alkaline water electrolysis device; and a hydrogen production method. <Condition I> The porous separator for alkaline water electrolysis has a thickness unevenness of 15% or less, obtained by immersing the separator in a 90°C 7 mol/L KOH aqueous solution and treating the separator under a pressurizing condition of 5 MPa for 60 minutes.
Resumen de: WO2025203852A1
A cell stack according to the present invention is to be provided to a hydrogen production device and comprises: a layered body that includes a plurality of electrolysis cells; a first end plate and a second end plate that are provided on respective sides of the layered body; and a fastening mechanism that fastens the first end plate and the second end plate toward each other. The fastening mechanism has an elastic member that presses the first end plate toward the second end plate. Each of the plurality of electrolysis cells has: an anode, anion exchange membrane, and cathode set; and separators that are provided on respective sides of the set. The separators have an electroconductive plate and a frame body that supports an outer peripheral edge part of the electroconductive plate. The frame body is made of resin.
Resumen de: WO2025203851A1
This separator is used in an electrolytic cell provided with an anion exchange membrane. The separator is provided with a conductive plate and a frame body that supports the outer peripheral edge of the conductive plate. The frame body is composed of a resin material that is an electrically insulating material. The frame body includes: a supply manifold that is a supply port for an electrolytic solution; and a supply slit that connects the supply manifold and the inner peripheral edge of the frame body. The electrical resistance value of the supply slit is between 50Ω and 1000Ω inclusive. The electrical resistance value is obtained by dividing a value, which is obtained by dividing the length of the supply slit by the cross-sectional area of the supply slit, by the conductivity of the electrolytic solution flowing through the supply slit.
Resumen de: WO2025203850A1
This cell stack is provided to a hydrogen production device. The cell stack comprises a plurality of sub-stacks. Each of the plurality of sub-stacks comprises: a laminate in which a plurality of electrolytic cells are laminated; and current collector plates which are respectively disposed on two sides of the laminate. Each of the plurality of electrolytic cells has an anode, an ion exchange membrane, and a cathode.
Resumen de: WO2025205637A1
According to the present invention, an electrolysis cell 21 that serves as an electrochemical cell comprises: a solid electrolyte layer 211; a fuel electrode layer 213 which is superposed on the rear surface 211A side of the solid electrolyte layer 211 and contains Ni and Fe; and an air electrode layer 212 which is superposed on the upper surface 211B side of the solid electrolyte layer 211. The fuel electrode layer 213 is composed of a first layer 213F and a second layer 213S. The first layer 213F and the second layer 213S are constituted in the order of the first layer 213F and the second layer 213S from the side close to the rear surface 211A of the solid electrolyte layer 211. The concentration of Fe contained in the first layer 213F is 0.10 wt% or more and 0.80 wt% or less, and the concentration of Fe contained in the second layer 213S is less than 0.10 wt%.
Resumen de: WO2025201590A1
An arrangement (1) of electrochemical cells (2), in particular electrolysis cells, comprises a hydraulic compression device (7) which has a plurality of pistons (18) each guided within a cylinder (15, 16) and which is designed to exert a compressive force on the stacked cells (2). The cylinders (15, 16) are connected to one another by at least one transverse connection (12, 13) provided for pressure equalization.
Resumen de: US2025303383A1
A hydrogen generation apparatus applies a solid hydrogen carrier on a surface of a conveyance member by an application apparatus, and ejects a solution containing water onto the hydrogen carrier applied on the surface by an ejection apparatus. Then, hydrogen generated by a reaction between the hydrogen carrier and the solution on the surface is collected by a hydrogen collection apparatus. A byproduct generated by the reaction between the hydrogen carrier and the solution on the surface is collected by a byproduct collection apparatus. A hydrogen carrier regulated amount maintaining portion adjusts the replenishment amount of the hydrogen carrier from a replenishment container to a storage portion of the application apparatus to maintain the hydrogen carrier in the storage portion within a predetermined range.
Resumen de: US2025303356A1
Disclosed are a system and method for purifying hydrogen, and a system for producing hydrogen by water electrolysis. The system for purifying hydrogen includes three dryers, and the three dryers share one regeneration cycle module. This significantly reduces a quantity of regeneration cycle modules, and therefore, manufacturing cost of the system is relatively low. In addition, a first gas-gas heat exchanger (4) is arranged in a regeneration cycle system, so that heat exchange can be performed between low-temperature regeneration hydrogen before regeneration and high-temperature regeneration tail gas after regeneration. In this way, residual heat of the high-temperature regeneration tail gas can be fully utilized, and power consumption of a subsequent heater and regeneration cooler can be significantly reduced. Therefore, energy consumption of the system is relatively low.
Resumen de: US2025304439A1
A hydrogen generation apparatus includes a first liquid providing apparatus and a controller. The first liquid providing apparatus provides a liquid containing at least water to a solid hydrogen carrier. The controller controls an amount of the liquid that the first liquid providing apparatus provides to the hydrogen carrier.
Resumen de: WO2024170774A1
The present invention relates to a method of producing green hydrogen and associated products from pyrite separated from mine waste (e.g., disposed tailings or active tailings streams) in an energetically self-sustained process. This is achieved by a method according to the present invention comprising the following steps: (a) separation and enrichment of a mine waste material comprising pyrite to obtain a pyrite concentrate, (b) oxidation of the pyrite concentrate to obtain SO2 gas; (c) separation of the SO2 gas; (d) utilization of SO2 gas from step (c) to generate H2 gas and H2SO4 via a SO2-depolarized electrolyzer (SDE) process or a sulfur-iodine-cycle (S-I-cycle) process.
Resumen de: US2025304438A1
The present invention relates to siloxane hydrogen carrier compounds and to a method for producing hydrogen from said siloxane hydrogen carrier compounds.
Resumen de: US2025304527A1
Ethanolamines, polyethylenimine and ammonia having a low molar share of deuterium, a process for making ethanolamines, polyethylenimine and ammonia based on non-fossil energy, the use of the molar share of deuterium in hydrogen and downstream compounds based on hydrogen for tracing the origin of preparation of hydrogen and downstream compounds based on hydrogen, and a process for tracing the origin of preparation of hydrogen and downstream compounds based on hydrogen by determining the molar share of deuterium in hydrogen and said downstream compounds based on hydrogen, applications of the polyethylenimine and the use of the polyethylenimine, and the use of the ethanolamines, preferably monoethanolamine and/or diethanolamine, or the polyethylenimine as liquid or solid CO2 absorbents in CO2 capturing processes.
Resumen de: US2025305162A1
An electrolytic unit includes (i) a plate having a first side and a second side opposite each other, the first side being an anode side, and the second side being a cathode side, (ii) an anode porous transport layer and a cathode porous transport layer respectively disposed at the first side and the second side, (iii) an exchange membrane, (iv) an anode catalyst layer and a cathode catalyst layer respectively disposed at two sides of the exchange membrane, (v) an anode gas diffusion electrode positioned on the anode catalyst layer, and (vi) a cathode gas diffusion electrode positioned on the cathode catalyst layer. The cathode porous transport layer, the plate, and the anode porous transport layer are formed as an integral mechanical portion, and the anode gas diffusion electrode, the anode catalyst layer, the exchange membrane, the cathode catalyst layer and the cathode gas diffusion electrode are formed as an integral electrochemical portion. Also provided is an electrolytic stack the includes the electrolytic unit described above. By way of the above, the assembly and maintenance of the electrolytic unit and the electrolytic stack are facilitated.
Resumen de: WO2025201610A1
The invention relates to a method for producing syngas from carbonaceous feedstock comprising two or more different compositions of carbonaceous material (e.g. plastics, textiles, biomass, organic matter, natural gas, biogas, carbon dioxide, waste gases), the method comprising: Gasification of the waste feedstock by feeding the feedstock into a primary reaction zone, hereby generating a first output stream; Feeding the first output stream from the first reactor into a secondary reaction zone hereby generating a second output stream; Feeding the second output stream into a cleaning and conditioning reaction zone, hereby generating a third output stream Feeding the third output stream from the cleaning and conditioning reaction zone into a product synthesis reaction zone hereby generating a fourth output stream; Separating the fourth output stream from the product reaction into a fifth liquid crude product stream which is sent for further treatment (e.g., distillation) and at least a sixth and a seventh gas stream; At least part of the sixth gas stream is recycled to the product synthesis reaction zone; At least part of the seventh gas stream is looped back to the primary reaction zone for further conversion; Gasification parameters for the first and the second reaction zones are controlled to take into account the composition and amount of the recycled gas streams; and Providing a solid oxide electrolysis system (SOEC) to create a hydrogen and oxygen input to the process; Prov
Resumen de: US2025309301A1
An electrochemical power system is provided that generates an electromotive force (EMF) from the catalytic reaction of hydrogen to lower energy (hydrino) states providing direct conversion of the energy released from the hydrino reaction into electricity, the system comprising at least two components chosen from: H2O catalyst or a source of H2O catalyst; atomic hydrogen or a source of atomic hydrogen; reactants to form the H2O catalyst or source of H2O catalyst and atomic hydrogen or source of atomic hydrogen; and one or more reactants to initiate the catalysis of atomic hydrogen. The electrochemical power system for forming hydrinos and electricity can further comprise a cathode compartment comprising a cathode, an anode compartment comprising an anode, optionally a salt bridge, reactants that constitute hydrino reactants during cell operation with separate electron flow and ion mass transport, and a source of hydrogen. Due to oxidation-reduction cell half reactions, the hydrino-producing reaction mixture is constituted with the migration of electrons through an external circuit and ion mass transport through a separate path such as the electrolyte to complete an electrical circuit. A power source and hydride reactor is further provided that powers a power system comprising (i) a reaction cell for the catalysis of atomic hydrogen to form hydrinos, (ii) a chemical fuel mixture comprising at least two components chosen from: a source of H2O catalyst or H2O catalyst; a source o
Resumen de: US2025309278A1
The present disclosure relates to a trifunctional catalyst, a method of the trifunctional catalyst, and a water splitting system using the trifunctional catalyst. The water splitting system according to embodiments of the present disclosure can be applied to energy storage and conversion by using characteristics of three types of catalytic reactions (oxygen evolution reaction (OER), oxygen reduction reaction (ORR), and hydrogen evolution reaction HER)) and can serve as a self-powered clean hydrogen production system at the same time.
Resumen de: WO2025202210A1
The invention relates to a modular assembly for a solid oxide electrolysis system for producing hydrogen. The assembly comprises at least one module (1) comprising at least one stack (2) of solid oxide plates positioned in a heat chamber (3), pipes for supplying fluids into the stack (2), pipes for discharging fluids from the stack (2), and at least one fluid-heating device allowing the fluid to reach a temperature that is compatible with the operation of the stack (2). The module (1) comprises a first removable part (10) provided with first connectors (4) for fluid pipes, which part comprises the stack (2) of solid oxide plates positioned in the heat chamber (3), and a second fixed part (11) provided with second connectors (5) capable of being connected to and disconnected from the first connectors (4). The second fixed part (11) comprises a distribution network (13) comprising the fluid supply pipes (14) and fluid discharge pipes (15).
Resumen de: WO2025202430A1
Various examples are directed to an electrolyzer system comprising an electrolyzer stack and a control circuit. The electrolyzer stack may comprise a first bipolar plate, a second bipolar plate parallel to the first bipolar plate and a third bipolar plate parallel to the second bipolar plate. The electrolyzer stack may further comprise a first switch electrically coupled between the first bipolar plate and the second bipolar plate to selectively electrically couple the first bipolar plate and the second bipolar plate, and a second switch electrically coupled between the first bipolar plate and the second bipolar plate to selectively electrically coupled the second bipolar plate and the third bipolar plate. The controller circuit may be configured to actuate the first switch to electrically couple the first bipolar plate and the second bipolar plate.
Nº publicación: EP4623131A1 01/10/2025
Solicitante:
DIOXYCLE [FR]
Dioxycle
Resumen de: WO2024110874A1
Methods and systems related to valorizing carbon dioxide are disclosed. A disclosed system includes a reverse water gas shift (RWGS) reactor, a carbon dioxide source connection fluidly connecting a carbon dioxide source to the RWGS reactor, an electrolyzer having an anode area and a cathode area, and a carbon monoxide source connection fluidly connecting the RWGS reactor to the cathode area. The RWGS reactor is configured to generate, using a volume of carbon dioxide from the carbon dioxide source connection, a volume of carbon monoxide in an RWGS reaction. The electrolyzer is configured to generate, using the electrolyzer and a reduction of the volume of carbon monoxide from the carbon monoxide source connection and an oxidation of an oxidation substrate, a volume of generated chemicals including hydrocarbons, organic acids, alcohol, olefins, or N-rich organic compounds.
BOPI
Sede Electrónica
