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449
resultados
Última actualización
25/01/2026 [07:16:00]
Resumen de: WO2025008146A1
The present invention relates to a method for producing hydrogen and magnetite from water and iron in the presence of an iron(II) salt catalyst. The invention also relates to the use of the iron obtained as an indirect hydrogen store.
Resumen de: WO2024262442A1
A water electrolysis electrode 1 comprises a conductive substrate 10 and a layered double hydroxide layer 20. The conductive substrate 10 contains Ni. The layered double hydroxide layer 20 is provided on a surface of the conductive substrate 10. The layered double hydroxide layer 20 contains Ni. In an XRD pattern of the grazing incidence X-ray diffraction of the water electrolysis electrode 1, the ratio P003/P111 of the intensity P003 of the diffraction peak of the (003) plane of the layered double hydroxide to the intensity P111 of the diffraction peak of the (111) plane of Ni is 0.025 or less.
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: 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: 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: WO2026016601A1
A hydrogen generation device, comprising a water tank, two electrolysis modules, a condenser, and a first humidifier, wherein the water tank has an accommodating space to accommodate electrolyzed water; the two electrolysis modules are located outside the water tank and are connected in series to each other, and each electrolysis module is configured to receive and electrolyze the electrolyzed water from the water tank to generate and output a hydrogen-containing gas to the water tank; the condenser is arranged above the water tank, and the condenser is configured to receive and condense the hydrogen-containing gas from the water tank and output the condensed hydrogen-containing gas; and the first humidifier is coupled to the condenser and has a first humidification chamber to accommodate makeup water, and the first humidifier is configured to receive the condensed hydrogen-containing gas from the condenser into the makeup water to filter and humidify the condensed hydrogen-containing gas.
Resumen de: AU2024324493A1
A membrane-electrode assembly for a water electrolyser is provided. The membrane- electrode assembly comprises a polymer electrolyte membrane with a first face and a second face; an anode catalyst layer on the first face of the membrane, the anode catalyst layer comprising an oxygen evolution reaction catalyst; and a porous web of polymer fibres in contact with the anode catalyst layer, the polymer fibres comprising a conductive metal additive.
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: 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: 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: AU2023449815A1
A system and method of making hydrogen from water. A cylindrical reaction vessel is provided with an outer shell, a central shaft, and one or more concentric inner tubes separated by annular spaces. Water is delivered to the annular spaces by a water pump through an inlet defined in the reaction vessel. The water courses along a tortuous flow path. That path begins at an inner annular space around a central shaft. It ends at an outer annular space. The water emerges from the reaction vessel through an outlet associated with a manifold. A high-frequency vibratory stimulus is applied to the reaction vessel and water. Water molecules are dissociated into hydrogen molecules and oxygen atoms. These reaction products are delivered through the manifold along an effluent flow path to a receiving pressure vessel before deployment to a sub-assembly for harnessing clean energy.
Resumen de: WO2026017387A1
The invention relates to an electrolysis system for hydrogen production, comprising: A DC Power source, in particular with a fluctuating power revenue, comprising: a positive power bar; and a negative power bar; A plurality of electrolyser modules, each electrolyser module comprising: A plurality of electrolyser cells; At least a first common liquid input connection; At least one common positive electric pole; At least one common negative electric pole; A liquid circuit for supplying an electrolyte to the liquid input connection of each of said electrolyser modules, connecting the electrolyser modules hydraulically; A controllable electric circuit, configured for selectively connecting and disconnecting one of: the positive electric pole of at least one of the electrolyser modules; or the negative electric pole of said at least of the electrolyser modules; to or from the respective positive or negative power bar; characterised in that the controllable electric circuit is further configured for selectively connecting and disconnecting the other of: the positive electric pole of said at least one of the electrolyser modules; and the negative electric pole of said at least one of the electrolyser modules; to or from the respective positive power bar or the respective negative power bar.
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: 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: 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: 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: 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: 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: CN120981607A
A selective membrane is described that includes a porous polymer membrane and a selective material on at least one outer surface. A selective material comprising a composite material of an ion exchange polymer and zirconia particles (ZrO2) distributed throughout the ion exchange polymer may be applied as a liquid by a spray method. Selective membranes made by the methods described herein are suitable for alkaline water electrolysis applications.
Resumen de: AU2024236667A1
The present disclosure is directed to a geothermal hydrogen production and compression system, wherein the system comprises an impure water intake to receive water from a impure water source, at least one geothermal well having a well inlet to receive the impure water from the impure water intake in to the geothermal well and one or more well outlets adapted to return heated impure water from the geothermal well, one or more well outlets being adapted to direct the heated impure water from the geothermal well through a steam engine providing a mechanical output, a purification plant comprising one or more purification chambers for separating impurities from the heated impure water expelled from the steam engine to produce at least some fresh water, one or more discharge outlets to discharge one or more products of the purification plant wherein the fresh water is directed to an electrolyser for electrolysis to produce hydrogen gas, where the hydrogen gas is passed through a hydrogen compressor coupled to the mechanical output and pressurised in a storage apparatus.
Resumen de: EP4682297A1
A ceramic reversible cell including any one or more selected from the group consisting of a perovskite-type metal oxide, a hydrate of the perovskite-type metal oxide and a hydride of the perovskite-type metal oxide, in which the any one or more selected from the group consisting of the perovskite-type metal oxide, the hydrate of the perovskite-type metal oxide, and the hydride of the perovskite-type metal oxide include A (A being any one or more selected from the group consisting of Ba, Sr and Ca), B (B being any one or more selected from the group consisting of Zr, Sn, Ce, Ti and Hf), and M (M being any one or more selected from the group consisting of In, Fe, Cr and Mn) as main metal atoms, and satisfy the predetermined formula and include hydride ions when brought into an equilibrium state by contact with dry hydrogen having a water content of 20 ppm or less in a volume ratio at 500°C to 900°C.
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.
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: EP4681267A1 21/01/2026
Solicitante:
JOHNSON MATTHEY HYDROGEN TECHNOLOGIES LTD [GB]
Johnson Matthey Hydrogen Technologies Limited
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.
BOPI
Sede Electrónica
