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941
resultados
Última actualización
02/03/2026 [06:55:00]
Resultados 475 a 500 de 941
Resumen de: WO2026017234A1
A system for producing hydrogen gas by reacting a metal selected from a group consisting of silicon, aluminum, magnesium, calcium, lithium, potassium and sodium and water, comprises a reaction chamber, a water supply device, configured for supplying water to the reaction chamber, a metal supply device, configured for supplying metal to the reaction chamber, a hydrogen collection arrangement, configured for collecting hydrogen gas from the reaction chamber and supplying said hydrogen gas via a main output channel to an application hydrogen consumer, and a controller, configured to control at least one of the water supply device, the metal supply device and the hydrogen collection arrangement. A water harvesting device is configured for harvesting water from air, and comprises an adsorbent, a water release device, configured to causing water to be released from the adsorbent, and a water collection device, configured to collect water released from the adsorbent, wherein the water collection device is connected to supply water to the reaction chamber. The disclosure provides a system and methods for producing hydrogen gas by reacting metal and water. The disclosure further provides a vehicle comprising said system and a portable device comprising said system.
Resumen de: US20260022480A1
An electrode including a transparent substrate and a layer of a perovskite-based nanocomposite (PTNC) material at least partially covering a surface of the transparent substrate. The PTNC material includes gold (Au) nanoparticles, graphitic carbon nitride (g-C3N4) nanoparticles, and perovskite-based nanoparticles through synergistic interaction. A method of making the electrode is described.
Resumen de: US20260022704A1
A hydrogen production plant, to produce hydrogen having a compressing assembly, for increasing the pressure of the hydrogen. The compressing assembly has at least one barrel compressor and at least one integrally geared centrifugal compressor. Also disclosed are methods of compressing hydrogen.
Resumen de: US20260022482A1
An estimation system for estimating current efficiency of an electrolyser comprises a data processing system (105) for computing heat loss of the electrolyser based on specific heat capacity of electrolyte, a flow rate of the electrolyte in a cathode side of the electrolyser, a flow rate of the electrolyte in an anode side, a temperature difference (T1c-T0c) between electrolyte circulation outlet and inlet of the cathode side, and a temperature difference (T1a-T0a) between electrolyte circulation outlet and inlet of the anode side. The current efficiency is estimated based on a difference between electric power supplied to the electrolyser and the computed estimate of the heat loss, and on a product of thermoneutral voltage of electrolysis cells of the electrolyser and electric current supplied to the electrolyser.
Resumen de: US20260022481A1
Composite anion exchange membranes are described. The composite anion exchange membranes comprise an anion exchange polymer containing a hydrogen recombination catalyst dispersed in the anion exchange polymer. The anion exchange membrane may also include a radical scavenger. The anion exchange polymer comprises a plurality of repeating units of formula (I)Catalyst coated membranes and membrane electrode assemblies made using the composite anion exchange membranes are also described.
Resumen de: US20260022478A1
Discloses are an electrocatalyst for a water electrolysis and a method of preparing the same, which includes a support made of a MXene having a two-dimensional structure; and a transition metal compound located on and heterogeneously bonded to the support, thereby increasing electrochemical activity by improving the operation stability and increasing the surface area compared to conventional commercial catalysts.
Resumen de: US20260022475A1
An ammonia electrolysis cell according to one embodiment of the present invention includes an end plate, a collector plate, a separator plate, a porous transport layer support gasket, a porous transport layer electrode, and a membrane, wherein the collector plate is connected to a power source, the power source may be characterized in that it cross-applies a working voltage and a rest voltage of 0.2 V or less. Thus, the present invention can effectively remove* NHx and OH− that poison the oxidation electrode, thereby significantly increasing the efficiency of hydrogen production, and can provide a bulk storage and transportation device for utilizing hydrogen as an energy medium.
Resumen de: US20260022471A1
A water electrolysis system including a container; a plurality of microcells located inside the container; the microcells are centered around a central axis of the container; a first bracket located on a first side of the microcells; a second bracket located on a second side of the microcells; a plurality of magnets mounted on the first and the second brackets, the magnets are placed in parallel to the microcells; a liquid inside the container. The first and the second brackets are adapted to be connected to a motor. The first and the second brackets rotate during the electrolysis process. The magnets on the first bracket produce a first magnetic field and the magnets on the second bracket produce a second magnetic field; and the first and the second magnetic fields have opposite polarity.
Resumen de: US20260022477A1
A vanadium oxide-based electrode for electrochemical water splitting that includes metallic substrate and a layer of particles of a vanadium oxide composite at least partially covering a surface of the metallic substrate. The particles of the vanadium oxide composite are in the form of nanobeads having an average particle size of 50 to 400 nm. A method of making the electrode.
Resumen de: US20260022472A1
An example electrochemical system includes: a cathode including a first electrocatalyst configured to catalyze a reduction reaction of carbon dioxide to produce water; an anode including a second electrocatalyst comprising ruthenium doped iridium oxide, the second electrocatalyst configured to catalyze an oxygen evolution reaction to produce diatomic oxygen from the water; an electrolyte connecting the cathode and the anode; and an electricity source configured to apply an electrical current across the cathode and the anode to catalyze the reduction and oxygen evolution reactions.
Resumen de: US20260022470A1
A method for producing hydrogen by means of water electrolysis, in which a direct electrolysis current is fed to one or more electrolysis units at least in a first operating mode, wherein the direct electrolysis current is supplied from a mains current using a current conversion arrangement, wherein the mains current is an alternating current, wherein the current conversion arrangement, comprises one or more first synchronous electric machines which are operable as motors and one or more second synchronous electric machines which are operable as generators, wherein the one or more first synchronous electric machines is/are operated using the mains current, wherein the one or more second synchronous electric machines is/are driven using the one or more first synchronous electric machines, and wherein the direct electrolysis current is supplied using the one or more second synchronous electric machines. The present invention also relates to a corresponding plant.
Resumen de: US20260024783A1
This disclosure relates to electrolyzer composite membranes, and in particular, to a composite membrane having at least two reinforcing layers comprising a microporous polymer structure and a surprisingly high resistance to piercing. The electrolyzer composite membranes have as recombination catalyst configured to be disposed closer to an anode than to a cathode in a membrane-electrode assembly (MEA). The disclosure also relates to membrane-electrode assemblies and electrolyzers comprising the membranes, and to method of manufacture of the membranes.
Resumen de: US20260022476A1
A vanadium oxide-based electrode for electrochemical water splitting that includes metallic substrate and a layer of particles of a vanadium oxide composite at least partially covering a surface of the metallic substrate. The particles of the vanadium oxide composite are in the form of nanobeads having an average particle size of 50 to 400 nm. A method of making the electrode.
Resumen de: WO2025021544A1
The invention relates to a cell frame (100) configured to be integrated in an electrolyzer. The frame is forming a closed shape having an inner contour (InnCont) that defines an opening (Op) extending in an extension plane (ExtP1). The inner contour is presenting at least two steps (St1, St2, St3, St4, St5, St6) each comprising a first surface (S1) perpendicular to the extension plane and a second surface (S2) parallel to the extension plane. The respective second surfaces of two (St1, St3, St5) of the steps is configured to support two respective bipolar plates (BP-1, BP-21, BP-22).
Resumen de: WO2026019647A1
Composite anion exchange membranes are described. The composite anion exchange membranes comprise an anion exchange polymer containing a hydrogen recombination catalyst dispersed in the anion exchange polymer. The anion exchange membrane may also include a radical scavenger. The anion exchange polymer comprises a plurality of repeating units of formula (I). Catalyst coated membranes and membrane electrode assemblies made using the composite anion exchange membranes are also described.
Resumen de: WO2026019103A1
An ammonia decomposition system according to one embodiment of the present invention comprises: a decomposition device for decomposing ammonia, which comprises a heating member for heating a catalytic reactor and the catalytic reactor containing a decomposition catalyst; a plasma reforming device disposed upstream of the decomposition device so as to reform ammonia; and a reformed gas supply pipe for connecting the plasma reforming device and the decomposition device, and supplying the reformed gas generated in the plasma reforming device to the catalytic reactor and/or the heating member, wherein the plasma reforming device can pyrolyze ammonia by using plasma.
Resumen de: WO2026018801A1
Problem To provide a nickel-plated metal material for water electrolysis capable of suppressing damage to a diaphragm while maintaining a suitable gas generation surface area. Solution This nickel-plated metal material comprises: a sheet-shaped metal base material having a plurality of opening parts; and a roughened nickel layer provided on at least one surface of the metal base material. ΔRzjis on a surface on the roughened nickel layer side is 4.0 μm or less, and a developed area ratio Sdr on the surface on the roughened nickel layer side is 15.0% or more. The ΔRzjis represents the difference between the ten-point average roughness Rzjis1 of the end portion of the opening part and the ten-point average roughness Rzjis2 of the center portion between the two adjacent opening parts.
Resumen de: WO2026018874A1
An ion exchange membrane comprising: a sulfonic-acid-type membrane body containing a polymer having a sulfonic-acid group; and a reinforcement material disposed in the sulfonic-acid-type membrane body, wherein the surface roughness R1 of a first surface of the sulfonic-acid-type membrane body is lower than the surface roughness R2 of a second surface of the sulfonic-acid-type membrane body.
Resumen de: WO2026018535A1
This water electrolysis system comprises: one or more water electrolysis stacks; a water line for supplying water to each water electrolysis stack; an oxygen line for discharging an oxygen gas that is generated in each water electrolysis stack and surplus water; a hydrogen line for discharging a hydrogen gas that is generated in each water electrolysis stack and surplus water; an insulation pipe for electrically insulating the water electrolysis stacks from the pipes of the water line, the oxygen line, and the hydrogen line; and a DC power supply for supplying DC power so as to drive the water electrolysis stacks. During the operation of this water electrolysis system, water is supplied to a part in which the hydrogen gas and surplus water are mixed in the water electrolysis stacks or the hydrogen line on the upstream side of the insulation pipe of the hydrogen line.
Resumen de: AU2026200050A1
21680504_1 (GHMatters) P123644.AU 6/01/26 The invention relates to a method for configuring a plant for the production of green ammonia using renewable energies for the production of hydrogen. an a n
Resumen de: CN120476490A
The present invention provides a reinforced ion conducting membrane comprising: (a) a reinforcement layer comprising a porous polymer structure; and (b) a polymer ion conducting membrane material impregnated within the porous polymer structure; wherein the porous polymer structure comprises a polymer backbone based on a nitrogen-containing heterocyclic ring, and the polymer ion-conducting membrane material has a transition temperature T alpha in the range of from 60 DEG C to 80 DEG C and including end values.
Resumen de: WO2024132587A1
A process for producing a synthesis gas product by an endothermic reaction of a feedstock stream, said process comprising the following steps: - Providing an ammonia fuel stream, - Performing a first combustion in which the ammonia fuel stream is partially burned, generating heat and a combustion flue gas stream comprising an unburned portion of ammonia fuel stream being not burned, - Providing heat from the first combustion and from the combustion flue gas stream to the endothermic reaction, thereby obtaining a cooled flue gas stream, - Performing a second combustion of the cooled flue gas stream in which the unburned portion of ammonia fuel stream is burned, - Providing heat from the second combustion to the endothermic reaction.
Resumen de: EP4682296A1
A solid oxide-type electrolysis cell system includes: a solid oxide-type electrolysis cell; a combustion unit configured to combust a fuel electrode off-gas from a fuel electrode of the solid oxide-type electrolysis cell; a case that has a heat insulating property and houses the solid oxide-type electrolysis cell and the combustion unit; a water and steam supply unit configured to supply water or steam to a fuel supply line connected to the fuel electrode; a preheating unit provided in the case and configured to preheat water or steam flowing through the fuel supply line by combustion heat of the combustion unit; a condensation unit provided outside the case and configured to condense steam contained in the fuel electrode off-gas from the fuel electrode; and a combustion reflux line configured to reflux a part of the fuel electrode off-gas having passed through the condensation unit by driving a pump and to supply the part of the fuel electrode off-gas to the combustion unit.
Resumen de: CN120936421A
A method for generating and treating a two-phase effluent from one or more pressurized electrolysis cell stacks adapted to electrolyze water into hydrogen and oxygen, whereby a pump supplies a cathodic electrolysis fluid stream from a first gas-liquid gravity separator vessel to the electrolysis cell stack, whereby another pump supplies an anode electrolysis fluid flow from a second gas-liquid gravity separator vessel to the electrolysis cell stack, and whereby at least one cyclone gas-liquid separator receives a combined effluent from the cathode electrolysis chamber and/or receives a combined effluent from the anode electrolysis chamber, these combined effluents are respectively located within respective gas-liquid gravity separator containers, whereby further, the at least one cyclonic gas-liquid separator separates the gas from the liquid within the gas-liquid gravity separator container along a substantially horizontal cyclonic axis of rotation. An electrolytic cell system is also provided.
Nº publicación: EP4680785A1 21/01/2026
Solicitante:
CERES IP CO LTD [GB]
Ceres Intellectual Property Company Limited
Resumen de: CN120882908A
The invention relates to an electrolysis cell system (10) comprising at least one electrolysis cell (20) comprising at least one steam inlet (41) and at least one exhaust gas outlet (38; 39), and a turbocharger (62) for compressing the exhaust gas from the electrolysis cell (20). The turbocharger (62) comprises a driving fluid inlet, a driving fluid outlet, a compressed fluid inlet, a compressed fluid outlet, a compressor (13) and a turbine (12). The turbine (12) is configured to drive the compressor (13). A driving fluid outlet of the turbocharger (62) is fluidly connected to at least one steam inlet (41) of the electrolysis cell (20). At least one exhaust gas outlet (38; 39) is fluidly connected to a compressed fluid inlet of the turbocharger (62). The system (10) may further include a steam source in fluid connection with the drive fluid inlet of the turbocharger (62) to power the turbine (12) using pressurized steam.
BOPI
Sede Electrónica
