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464
resultados
Última actualización
14/03/2025 [07:02:00]
Resumen de: US2025084828A1
The present invention relates to an electric power and hydrogen generation system comprising a tower having an internal structure and an external structure, said internal and external structures being interconnected; a plurality of helical turbines each coupled to an electric generator, said turbines being arranged vertically one above the other inside the internal structure; a plurality of humidity and water collectors arranged in the interconnection spaces of said internal and external structures; the external structure presents outer surfaces, which are covered using solar cells; a tower base holds within it a system for the production, storage and supply of hydrogen and electricity.
Resumen de: US2025083118A1
Systems and methods for eliminating carbon dioxide and capturing solid carbon are disclosed. By eliminating carbon dioxide gas, e.g., from an effluent exhaust stream of a fossil fuel fired electric power production facility, the inventive concepts presented herein represent an environmentally-clean solution that permanently eliminates greenhouse gases while at the same time producing captured solid carbon products that are useful in various applications including advanced composite material synthesis (e.g., carbon fiber, 3D graphene) and energy storage (e.g., battery technology). Capture of solid carbon during the disclosed process for eliminating greenhouse gasses avoids the inefficiencies and risks associated with conventional carbon dioxide sequestration. Colocation of the disclosed reactor with a fossil fuel fired power production facility brings to bear an environmentally beneficial, and financially viable approach for permanently capturing vast amounts of solid carbon from carbon dioxide gas and other greenhouse gases that would otherwise be released into Earth's biosphere.
Resumen de: US2025083134A1
The present invention relates to a Ni—Fe-based catalyst for OER doped with a metal having lower electronegativity than Ni and Fe, and a method for manufacturing the same. More specifically, the present invention offers the advantage of using nickel, a non-noble metal-based active catalyst, which has high economic value without the need for noble metals. The present invention provides a method for manufacturing a Ni—Fe-based catalyst for OER that exhibits excellent activity in oxygen generation reaction by maximizing the surface area compared to existing noble metal-based catalysts, thereby contributing significantly to the cost reduction of hydrogen production.
Resumen de: US2025083097A1
A method and system for capturing carbon dioxide from the air with a carbon contactor (also referred as to a carbon capture device), using an carbonate lean/poor alkaline solution to produce a carbonate rich alkaline rich solution, sending the resulting carbonate rich solution to an electrolyzer to generate hydrogen gas, and using the hydrogen gas to power a power plant, the hydrogen gas either used alone, or blended with natural gas or ammonia, and at least some of the power generated by the power plant is used to power the contactor and the electrolyzer.
Resumen de: US2025084540A1
The present invention discloses a method for preparing glycollate by electro-catalyzing ethylene glycol or electro-catalytically reforming waste plastic polyethylene terephthalate (PET). The method for preparing glycollate by electro-catalytically reforming waste plastic PET includes: 1) dissolving the waste plastic PET into an alkali liquid, and carrying out solid-liquid separation after hydrolysis reaction to obtain an alkaline electrolyte containing ethylene glycol; and 2) assembling an anode catalyst, a cathode catalyst and the alkaline electrolyte containing the ethylene glycol into an electrolytic cell, and applying voltage for electrocatalytic reaction, where the ethylene glycol is oxidized at an anode to generate glycollate, and water is reduced at a cathode to generate hydrogen. The present invention firstly provides conversion of the waste plastic PET into the glycollate by means of an electrocatalysis technology in the art, and the method not only utilizes resources and energy of the waste plastic PET, but also provides a new idea for low-cost and large-scale production of glycolic acid.
Resumen de: US2025084550A1
Provided is an operation support apparatus including: a calculation unit which calculates, based on an electricity cost or an amount of power consumption for each of predetermined times associated with operation of a plurality of electrolyzers operating in parallel, an amount of production by time unit which is an amount of production of a product for each of the times that satisfies a target amount of production of the product, the product being produced by the plurality of electrolyzers over a predetermined period of time; and a specification unit which specifies an electrolyzer to be operated among the plurality of electrolyzers, based on the amount of production by time unit calculated by the calculation unit.
Resumen de: US2025084552A1
The invention relates to an electrolysis system having a plurality of electrolytic cells for water electrolysis. An anode-side water circuit leads from an anode-side outlet, via an oxygen separator, a main pump and a cooling device, to an anode-side inlet of an anode chamber. A cathode-side water circuit leads, similarly, from a cathode-side outlet, via an oxygen separator, a main pump and a cooling device, to a cathode-side inlet of a cathode chamber. Cleaning of the water during non-operation of the electrolysis system is achieved by adding an anode-side partial-flow branch, which leads from a branch-off point, via an auxiliary ion exchanger, to a collection point in the anode-side water circuit.
Resumen de: US2025083783A1
Described herein are inflatable wearable devices comprising: a reaction container having an expandable bladder, a dry powder compartment and a liquid compartment with a removable barrier between the compartments, the expandable bladder being connected to at least one of the dry powder compartment or the liquid compartment, and wherein the dry powder compartment comprises a mixture of an ionic hydride and a borohydride, and wherein the liquid compartment comprises an aqueous solution comprising a foam forming agent, and wherein upon removal of the barrier between the compartments, the aqueous solution contacts the mixture of an ionic hydride and a borohydride, thereby forming hydrogen gas foam.
Resumen de: US2025083966A1
A plant including a reverse water gas shift (RWGS) section including a first feed including hydrogen to the RWGS section, and a second feed including carbon dioxide to the RWGS section, or a combined feed comprising hydrogen and carbon dioxide to the e-RWGS section, a water removal section downstream the RWGS section, a compressor downstream the water removal section, and a cryogenic CO2 separation section downstream the compressor, wherein the plant has means for recycling at least a portion of a CO2 rich condensate to the RWGS section or to a feed to the RWGS section, and wherein the RWGS section is an electrically heated RWGS (e-RWGS) section.
Resumen de: US2025087734A1
One embodiment is directed to an integrated energy storage and distribution system, comprising: an electrolysis module configured to utilize intake electricity and intake water to output hydrogen gas, oxygen, and surplus water; a metal hydride hydrogen storage module configured to controllably store, or alternatively release, hydrogen gas; a fuel cell module configured to controllably intake hydrogen gas and output electricity and water vapor; and a computing system operatively coupled to the electrolysis module, storage module, and fuel cell module and configured to coordinate operation of these modules relative to each other; wherein the electrolysis, storage, and fuel cell modules are thermally coupled such that heat energy released from one or more modules which may be at least transiently exothermic may be utilized by one or modules which may be at least transiently endothermic.
Resumen de: AU2023336295A1
Provided is a hydrogen production system (100), comprising: an electrolysis module (19) that produces hydrogen through steam electrolysis by supplying steam to a hydrogen electrode (11) including a metal component; hydrogen storage equipment (40) that stores the produced hydrogen; a steam supply unit that supplies steam to the hydrogen electrode (11); a regulation unit (50) that regulates the supplied amount of hydrogen supplied by the hydrogen storage equipment (40) to the hydrogen electrode (11) and the supplied amount of steam supplied by the steam supply unit (20) to the hydrogen electrode (11); and a control device (80) that, in accordance with the electrolysis module (19) having exceeded a first switching temperature when the electrolysis module (19) is activated, controls the regulation unit (50) so as to switch a heating medium supply state, in which a heating medium is supplied by a heating medium supply unit (70) to the hydrogen electrode (11), to a steam supply state, in which steam is supplied by the steam supply unit (20) to the hydrogen electrode (11).
Resumen de: US2025084539A1
Large scale harvesting of renewable energy is proposed by using floating devices which use solar, wind, ocean current, and wave energy to produce compressed hydrogen by electrolysis of deep sea water. Natural ocean currents and winds are used to allow the devices to gather energy from over a large area with minimum transportation cost. The present approach uses a combination of well understood technologies in an optimized manner and at scale. Hydrogen produced in this manner would pave the way for carbon free energy economy.
Resumen de: US2025084547A1
An electrode 10 includes, as a catalyst, an alloy including three or more base metal elements, in which the three or more base metal elements are nearly equal in atomic composition proportion, and form a solid solution. Also, an electrode 12 includes: a carbon fiber; and a catalyst including a base metal, at least a part of elements of the catalyst being chemically bonded to the carbon fiber. Further, the water electrolyzer includes an anode, a cathode, and a solid polymer electrolyte membrane provided between the anode and the cathode. The anode is the electrode 10, and/or the cathode is the electrode 12.
Resumen de: AU2023264575A1
Provided herein are systems and methods for generating hydrogen and ammonia. The hydrogen is generated in an anion exchange membrane-based electrochemical stack. The hydrogen generated in the stack may be used to generate ammonia or may be used for other applications requiring hydrogen. The feedstock for the anion exchange membrane-based electrochemical stack may be saline water, such as seawater. A desalination module or a chlor-alkali stack may be used to treat the saline water prior to electrolysis in the anion exchange membrane-based electrochemical stack.
Resumen de: GB2633496A
A passive dual modulating regulator that responds to a pressure differential between a hydrogen-side and an oxygen-side of one or more proton-exchange membrane (PEM) cells is provided. The passive dual modulating regulator includes a flexible diaphragm that is clamped along its periphery between hemispherical chambers. A bi-directional valve assembly extends through the flexible diaphragm and includes opposing valve plugs for selectively closing the output ports of the respective hemispherical chambers. Large or sustained pressure imbalances between the hydrogen-side and the oxygen-side of a hydrogen generation system are avoided without active control inputs of any kind, and consequently a rupture of the PEM is entirely avoided.
Resumen de: WO2024241056A1
The specification describes a process for preparing an oxygen evolution reaction catalyst, comprising the steps of: (i) combining iridium powder and a peroxide salt to produce a powder mixture; (ii) carrying out thermal treatment on the powder mixture; (iii) dissolving the product from (ii) in water to produce a solution; (iv) reducing the pH of the solution from (iii) to affect a precipitation and form a solid and a supernatant; (v) separating the solid from the supernatant; and (vi) drying the solid. An oxygen evolution catalyst obtainable by the process is also described.
Resumen de: CN119156365A
A process for manufacturing methanol having a deuterium content of less than 90 ppm based on the total hydrogen content, the process comprising the steps of: (a) providing hydrogen having a deuterium content of less than 90 ppm based on the total hydrogen content by water electrolysis using power generated at least in part from non-fossil renewable resources; (b) providing carbon dioxide; (c) reacting hydrogen and carbon dioxide in the presence of a catalyst to form methanol.
Resumen de: WO2023213370A1
Aspects of the present invention relate to a renewable energy power plant for connection to a power network. The renewable energy power plant comprises: a wind turbine generator (WTG); a hydrogen generating system comprising: a hydrogen electrolysis system operable to generate hydrogen through electrolysis using power generated by the WTG; and a DC-link for electrically coupling the WTG to the hydrogen electrolysis system; a connecting network for selectively connecting the power plant to the power network; a power balancing system comprising one or more energy sources and one or more energy loads for balancing electrical power differences between the power generated by the WTG and the power consumed by the hydrogen electrolysis system; and a control system for controlling the WTG, the connecting network, the power balancing system, and the hydrogen electrolysis system to control the voltage on the DC-link to remain within a predetermined range.
Resumen de: WO2023214401A1
The present disclosure provides a catalyst, its preparation and uses thereof, the catalyst comprising a conductive substrate coated by at least two layers including a proximal layer and a distal layer wherein said proximal layer comprises a proximal metal composition and said distal layer comprise a distal metal composition, the proximal metal composition being different from the distal metal composition; wherein said proximal metal composition comprises a metallic M and said distal metal composition comprise a combination of two or more different metal complexes, each having a formula MxLy, wherein M, which may be the same or different in said two or more metal complexes, represents a metal atom; L, which may be the same or different in said two or more metal complexes, represents a moiety comprising at least one atom selected from the group consisting of oxygen (O), phosphorous (P), boron (B) and nitrogen (N); x represents any value between (1) and (6); and y represents any value between (1) and (6); and wherein said metal atom of metallic M and said metal atom in MxLy may be the same or different metal atom.
Resumen de: TW202408656A
The present invention relates to a method for the combined electrolytic and thermal production of hydrogen gas, the method comprising: (i) providing a plasma treatment unit having a plasma treatment chamber comprising first and second electrodes, and a first gas outlet in fluid communication with said plasma treatment chamber; wherein a base portion of the plasma treatment chamber forms a reservoir of an aqueous electrolyte; wherein the first electrode is comprised within a plasma torch whereby the plasma torch is arranged at a distance above a surface of the reservoir; and wherein the second electrode is submerged in the aqueous electrolyte; (ii) establishing a DC electric potential between the first and second electrodes whilst providing a flow of non-oxidising ionisable gas between the first electrode and the surface of the reservoir to generate and sustain a plasma arc therebetween, thereby producing hydrogen gas in the plasma treatment chamber; and (iii) recovering the hydrogen gas via the first gas outlet. The present invention also relates to a plasma treatment unit.
Resumen de: WO2024172438A1
The present invention relates to a catalyst for the decomposition of ammonia, and a method for the decomposition of ammonia.
Resumen de: WO2024022768A1
A hydrogen production system (1) comprising: a first renewable power source (3-1), a first electrolyser (7-1), and a single stage power converter (5) having an input side (5a) and an output side (5b), wherein the input side (5a) is connected to the first renewable power source (3-1) and the output side (5b) is connected to the first electrolyser (7-1).
Resumen de: FR3152519A1
Cellule élémentaire pour électrolyse, l’anode élémentaire présentant une conduite de bulles d’un premier gaz, la cathode élémentaire présentant une conduite de bulles d’un deuxième gaz, dans laquelle l’anode élémentaire et/ou la cathode élémentaire déborde localement dans le conduit principal élémentaire, au niveau de l’embouchure, sur une portion aval de l’embouchure dans une direction moyenne du conduit principal élémentaire. Figure de l’abrégé : Figure 1
Resumen de: WO2025045345A1
The invention relates to a device for generation and storage of hydrogen, which device comprises: - a tube or drill-steel-tube pile for insertion into the ground, which tube or drill-steel-tube pile is provided with a closure on one end and wherein a compartment wall is arranged in the tube or drill-steel-tube pile adjacent the other end of the tube or drill-steel-tube pile to provide a storage space between the compartment wall and the closure; - electrolyser means arranged in the tube or drill- steel-tube pile between the other end of the tube or drill- steel-tube pile and the compartment wall, which electrolyser means have an inflow opening for receiving ground water from the drill hole and at least an hydrogen outflow opening, which is connected to the storage space; - a power supply line running from at least the one end of the tube to the electrolyser means.
Nº publicación: WO2025045669A1 06/03/2025
Solicitante:
UNIV RENNES [FR]
CENTRE NAT RECH SCIENT [FR]
ECOLE NORMALE SUPERIEURE DE RENNES [FR]
CONSERVATOIRE NAT ARTS ET METIERS [FR]
CY CERGY PARIS UNIV [FR]
ECOLE NORMALE SUPERIEURE PARIS SACLAY [FR]
UNIV PARIS SACLAY [FR]
UNIVERSITE DE RENNES,
CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE,
ECOLE NORMALE SUPERIEURE DE RENNES,
CONSERVATOIRE NATIONAL ARTS ET METIERS,
CY CERGY PARIS UNIVERSITE,
ECOLE NORMALE SUPERIEURE PARIS SACLAY,
UNIVERSITE PARIS-SACLAY
Resumen de: WO2025045669A1
Elementary cell for electrolysis, the elementary anode having a channel for bubbles of a first gas, the elementary cathode having a channel for bubbles of a second gas, wherein the elementary anode and/or the elementary cathode extend locally into the elementary main channel near the mouth, along a downstream portion of the mouth in an average direction of the elementary main channel.
BOPI
Sede Electrónica
