Resumen de: US20260070025A1
Calcined or pyrolyzed metal compounds immobilized in membranes based on ionic liquids and/or eutectic solvents. The invention relates to new catalytic membranes synthesized from ionic liquids or deep eutectic solvents and oxidized or pyrolyzed immobilized metal compounds in the membranes. The use of these new catalytic membranes in oxidation/reduction reactions, for application in fuel cells and in water electrolyzers for hydrogen production, is described.
Resumen de: AU2026201233A1
WO 2021/168125 PCT/US2021/018596 The present invention provide a method for manufacturing hydrogen, comprising: deploying a hydrodynamic pump to an ocean, the hydrodynamic pump including an inertial water tube comprising a constricting feature to pressurize ocean water, a pressurized fluid reservoir partially filled with ocean water transported from the ocean to the pressurized fluid reservoir via the inertial water tube, a turbine energized by a flow of pressurized ocean water exiting the pressurized fluid reservoir, an electrical generator coupled to the turbine, an electrolyzer, and a hydrogen tank; transmitting electrical energy from the electrical generator to the electrolyzer to generate hydrogen; and storing the hydrogen in the hydrogen tank. eb e b
Resumen de: AU2026201234A1
WO 2021/168125 PCT/2021/018596 The present invention provides a wave engine, comprising: a buoy configured to rise and fall under an influence of a body of water; a hollow tube depending from the buoy and having a water ingress/egress mouth at a lower end and a water discharge spout at an upper end, and further comprising an interior including a wall defining a water accelerating surface adapted to eject water through the water discharge spout in response to an increasing hydrodynamic pressure within the interior of the hollow tube; a water collection reservoir in fluid communication with the water discharge spout; a first effluent conduit for diverting at least a portion of water collected in the water collection reservoir from the water collection reservoir; and a first electrical energy generator for converting an energy of a portion of water in the first effluent conduit into electrical energy. eb e b
Resumen de: AU2026201235A1
WO 2021/16125 PCT/US2021/018596 The present invention provides a hydrodynamic pump, comprising: an upper hull enclosure adapted to float at a surface of a body of liquid; a liquid collecting chamber at least partially housed within the upper hull enclosure, the liquid collecting chamber adapted to confine liquid and gas at elevated pressure; a liquid pressurizing columnar conduit extending below the upper hull enclosure, the liquid pressurizing columnar conduit comprising an ingress orifice disposed outside the upper hull enclosure, an injection orifice opening into the liquid collecting chamber, and an interior wall defining a liquid pressurizing surface adapted to pressurize liquid in the liquid pressurizing columnar conduit when the hydrodynamic pump oscillates vertically in the body of liquid to inject liquid into the liquid collecting chamber; a first effluent conduit configured to drain liquid from the liquid collecting chamber and having an effluent port for discharging liquid from the first effluent conduit; and a first flow governor adapted to maintain a liquid pressure gradient between the liquid collecting chamber and the effluent port. WO 2021/16125 PCT/US2021/018596 eb e b
Resumen de: AU2024328562A1
A reaction medium according to the present invention is characterized by having a chemical structure in which Mn is introduced into a composite iron oxide. It is preferable that this reaction medium is used in a method for producing hydrogen by thermally decomposing water. It is preferable that this reaction medium contains a composite metal oxide of Fe, Co, Ni, and Mn, contains a composite metal oxide of Fe, Ni, Mg, and Mn, or contains a composite metal oxide of Fe, Co, Mg, and Mn. A treatment method according to the present invention includes: a first step for thermally reducing the reaction medium; and a second step for bringing the thermally reduced reaction medium into contact with an object to be treated, thereby oxidizing the reaction medium and decomposing the object to be treated.
Resumen de: WO2026055325A1
A system for producing hydrogen gas comprising: a heat exchanger module; the heat exchanger comprising: a warming module; and a boiler; a converter module; the converter module comprising a superheater, vaporizer, and/or compressor; an electrolyzer in communication with the converter module; and the electrolyzer in communication with the heat exchanger module. A method for producing hydrogen gas comprising: passing a working fluid into a heat exchanger module comprising warming module and a boiler to form a vapor-phase working fluid; passing the vapor-phase working fluid into a converter module comprising a superheater, vaporizer, and/or compressor to form a converted working fluid; passing the converted working fluid into an electrolyzer to form hot hydrogen gas and hot oxygen gas; passing the hot oxygen gas and/or hot hydrogen gas into the heat exchanger module.
Resumen de: WO2026054606A1
The present invention relates to a porous water electrolysis separation membrane using a boron nitride compound. More specifically, the porous water electrolysis separation membrane comprises a porous polymer support and a boron nitride compound inserted into the inside of the porous polymer support or formed on a surface thereof. The water electrolysis separation membrane according to the present invention as described above exhibits excellent heat resistance and stability and has smaller pore sizes, thereby reducing the permeability of hydrogen and oxygen and achieving high hydrogen gas purity. In addition, with a reduced thickness, the water electrolysis separation membrane exhibits low sheet resistance and thus increases current density to improve electrolytic cell efficiency.
Resumen de: WO2026054416A1
A method for producing a catalyst for ammonia decomposition according to an embodiment of the present invention comprises the steps of: preparing an aqueous metal precursor solution and a porous support; and forming a metal-support composite by supporting a metal of the aqueous metal precursor solution on the surface of the porous support using a cyclic voltametric electrodeposition method, wherein the content of the metal may be 0.3-3.0 wt% on the basis of the total weight of the catalyst for ammonia decomposition. A catalyst for ammonia decomposition according to another embodiment of the present invention comprises: a porous support; and a metal supported on the surface of the porous support using a cyclic voltametric electrodeposition method, wherein the content of the metal may be 0.3-3.0 wt% on the basis of the total weight of the catalyst.
Resumen de: WO2026054554A1
The present invention relates to an electrode for water electrolysis and a method for manufacturing same, the electrode comprising a metal substrate and a catalyst layer formed on at least one surface of the metal substrate, wherein the catalyst layer includes CoxFeyO4 (0≤x≤4, 0≤y≤3) and satisfies formula 1.
Resumen de: WO2026054154A1
According to one embodiment, a vehicle hydrogen generator having a hydrogen generation amount adjustment device may comprise a PEM water electrolysis stack for generating hydrogen by electrolyzing water, wherein the PEM water electrolysis stack includes: a water tank for storing water for generating hydrogen through electrolysis; an electrolysis cell for generating hydrogen by electrolyzing the water provided from the water tank; a water separator which removes moisture contained in the hydrogen provided from the electrolysis cell and which provides the removed moisture to the water tank; and a control unit electrically connected to the electrolysis cell and the water tank.
Resumen de: WO2026053829A1
Provided is a device capable of producing high purity hydrogen gas. Provided is a method capable of producing high purity hydrogen gas. This hydrogen gas production device comprises a cathode, an anode disposed facing one side of the cathode, and a solid electrolyte member disposed between the cathode and the anode, the hydrogen gas production device being provided with a hydrogen gas recovery passage disposed on the other side of the cathode.
Resumen de: WO2026053545A1
This water splitting device produces hydrogen through irradiation with light and comprises: an electrolytic cell filled with an electrolyte solution and a water splitting cell immersed in the electrolyte solution. The water splitting cell has: a laminate in which an anode electrode, a hole transport layer, a perovskite battery layer, an electron transport layer, and a cathode electrode are stacked in this order; and an electrically insulating protective material that covers the outer periphery of the laminate. Two or more perovskite battery cells are connected in series in the perovskite battery layer.
Resumen de: WO2026052984A1
The present invention relates to a multipurpose generator for producing gaseous oxygen and hydrogen, water and electricity, comprising a spherical reactor with two external branches of operatively connected components, namely a warm air flow branch and a cold air flow branch. The warm air flow branch contains: a water inlet connected to a vaporiser associated with a water vapour fan device having a non-return valve that channels said flow to a water vapour intake pipe connected to a diffuser. The cold air flow branch comprises: a cold air mass inlet connected to a cold air circulation intake pipe associated with a cooler in turn coupled to a cold air fan having a non-return valve that channels said flow to a pipe connected to a fluid inlet diffuser distributing the cold air mass to the reactor. The invention also comprises two radially opposite electrical connectors.
Resumen de: WO2026051918A1
The aim of the present invention is to provide an alkaline water electrolysis membrane having good gas barrier property, which can maintain hydrophilicity during operation in long-term electrolysis, inhibit the reduction in ion permeability caused by bubble attachment, and improve the hydrogen production efficiency during the long-term operation of an alkaline electrolytic cell. The alkaline water electrolysis membrane is an electrolysis membrane capable of inhibiting the reduction of hydrophilicity thereof during long-term use and achieving a high production yield of hydrogen. The electrolysis membrane comprises: a porous support, and a porous resin containing a surfactant.
Resumen de: WO2026050800A1
The invention provides a membrane electrode assembly for an electrochemical hydrogen compressor, the membrane electrode assembly comprising a proton exchange membrane arranged between an anode and a cathode, wherein the anode comprises an electrocatalyst for dihydrogen oxidation and the cathode comprises an electrocatalyst for proton reduction, and wherein the proton exchange membrane comprises a semicrystalline polymeric matrix comprising a hydrophilic polymer and particles of an inorganic metal compound dispersed in the semicrystalline polymeric matrix.
Resumen de: JP2026043106A
【課題】セルスタックの集積率を向上させるとともに高温環境の下でセルスタックに圧縮荷重を安定的に負荷させる水素製造技術を提供する。【解決手段】水素製造装置10は、加熱炉12の内部の架台15に固定されるガス流路11と、ガス流路11を上下方向から挟み込むように集積される複数のセルスタック21(21a,21b,21c,21d)と、最下部に位置するセルスタック21dの下部プレート23に下先端が固定されかつその上部プレート22を貫通するとともにその他のセルスタック21(21a,21b,21c)の下部プレート23及び上部プレート22を貫通する複数のタイロッド25と、各々のタイロッド25の上先端を結束する結束プレート26と、結束プレート26に設けられ最上部に位置するセルスタック21の上部プレート22を付勢する付勢手段30と、を備える。【選択図】図3
Resumen de: WO2026055341A1
A process and apparatus for the production of hydrogen, wherein the process comprises the steps of: introducing an ammonia feed (2) into a catalytic cracker (10) under conditions effective for producing a cracked stream (12) comprised of hydrogen, nitrogen, water vapor, and unreacted ammonia; drying the cracked stream with a temperature swing adsorption (TSA) unit (20) comprising at least two adsorbent beds (A, B) to form a dry cracked stream (22); introducing the dry cracked stream into a coldbox (30), wherein the cold box encloses a heat exchanger and a partial condensation vessel, wherein the heat exchanger is configured to cool the dry cracked stream, wherein the partial condensation vessel is configured to produce a nitrogen enriched stream (34) and a hydrogen enriched stream (32); and introducing the hydrogen enriched stream (32), after warming in the heat exchanger, to a pressure swing adsorber (PSA) unit (40) to form a hydrogen product stream 42 and a PSA off-gas (44).
Resumen de: CN120835942A
An electrochemical cell stack (1) comprising a plurality of electrochemical cells (2) separated from one another by bipolar plates (5) wherein each electrochemical cell (2) consists of two half-cells (3, 4) having a membrane (6) as a common component, which membrane is held by a multi-piece support frame (7), according to the invention, the multi-part support frame (7) consists of two frame elements (16, 17) of different widths, each of which is stacked on one another from belonging to one half-cell (3, 4) and by inserting a plurality of layers of sheet devices (9) overlapping the membrane (6), on the inner side of each frame element (16, 17) facing the interior of the respective half-cell (3, 4), the frame elements (16, 17) are each provided with a seal (14, 15) which contacts the bipolar plate (5), and the two seals (14, 15) which are offset from each other due to different cross-sectional shapes of the frame elements (16, 17) each contact an outer layer (18, 20) of the sheet device (9).
Resumen de: EP4707230A1
Disclosed is a process for oxidizing a metal and for generating hydrogen and carbon monoxide comprising the steps:i) introduce an organic compound containing carbon and covalently attached thereto hydrogen, a particulate metal selected from the group consisting of silicon, magnesium, iron, titanium, zinc, aluminum or alloy containing two or more of these metals and an oxidant into a reaction chamber, andii) react the organic compound, the particulate metal and the oxidant from step i) in the reaction chamber to generate heat, electromagnetic radiation, oxidized metal, hydrogen and carbon monoxide.The reactor contains a reaction chamber for reacting organic compound, particulate metal and oxidant. Via feed lines the reactants are introduced into the reaction chamber. One or more metering devices are present for metering the amount of reactants introduced into the reaction chamber. In the reaction chamber a flame is generated by the reaction of the reactants. The reaction of metal fuel with oxidant results in an oxidized metal and in the generation of thermal and radiant energy, hydrogen and carbon monoxide. The thermal and radiant energy generated by the oxidation reaction is recovered by using one or more heat exchangers.
Resumen de: EP4707231A1
A process and apparatus for the production of hydrogen, wherein the process comprises the steps of: introducing an ammonia feed (2) into a catalytic cracker (10) under conditions effective for producing a cracked stream (12) ; drying the cracked stream with a temperature swing adsorption (TSA) unit (20) comprising at least two adsorbent beds (A, B) to form a dry cracked stream (22); introducing the dry cracked stream into a coldbox (30), wherein the cold box encloses a heat exchanger and a partial condensation vessel, wherein the heat exchanger is configured to cool the dry cracked stream, wherein the partial condensation vessel is configured to produce a nitrogen enriched stream (34) and a hydrogen enriched stream (32); and introducing the hydrogen enriched stream (32), after warming in the heat exchanger, to a pressure swing adsorber (PSA) unit (40) to form a hydrogen product stream 42 and a PSA off-gas (44).
Resumen de: EP4707432A1
The invention relates to an electrolysis arrangement comprising an electrolyzer for performing the electrolysis of an electrolyte, wherein a biphasic flow containing a gas flow and a liquid electrolyte flow is produced in the electrolyzer, and a separator downstream of the electrolyzer and comprising a vessel with a receiving chamber for receiving the biphasic flow from the electrolyzer, wherein the separator is configured to separate the gas flow and the liquid electrolyte flow in the receiving chamber. An explosion damper is arranged within the receiving chamber
Resumen de: EP4707232A2
A hydrogen generation system with controlled water distribution is disclosed. The system comprises a reaction chamber containing a hydrogen-producing fuel, a liquid distribution mechanism, and a control system. The liquid distribution mechanism includes a rotating arm with liquid injection ports that move vertically through the fuel chamber. This allows for precise and efficient liquid delivery to unreacted fuel, optimizing hydrogen production. A proprietary fuel blend utilizes chemicals that store significant amounts of hydrogen in a solid-state form. A feature of the device is the arm's controlled vertical movement, achieved through a screw mechanism that adjusts the arm's height as it rotates, creating a spiral liquid distribution pattern. The control system regulates liquid injection rates, arm rotation speed, and vertical movement to optimize hydrogen production based on demand. The system can also operate at low pressures and be scaled to different sizes in a safer, more efficient, on-demand manner.
Resumen de: EP4707430A2
A catalyst for water electrolysis electrode, a preparing method of the catalyst for water electrolysis electrode, and a water electrolysis electrode may be provided. A catalyst for water electrolysis electrode according to an embodiment of the present disclosure includes a carbon structure doped with a first element and a second element, and an alloy nanoparticle doped with the first element. The alloy nanoparticle is supported on a surface of the carbon structure, and the first element is iron (Fe). Further may be provided a water electrolysis electrode comprising the catalyst, a water electrolysis system comprising the catalyst or comprising the water electrolysis electrode, and a use of the catalyst for water electrolysis.
Resumen de: EP4707429A1
The present application relates to the field of electrolysis hydrogen production technologies, and discloses a water electrolysis hydrogen production system and a method and an apparatus for controlling gas purity in a water electrolysis hydrogen production process, to implement separate control of flow rates at a hydrogen-side inlet and an oxygen-side inlet of an electrolyzer. The water electrolysis hydrogen production system includes an electrolyzer, a hydrogen gas-liquid separation unit, and an oxygen gas-liquid separation unit. A liquid outlet of the hydrogen gas-liquid separation unit is connected to a first pipeline, a liquid outlet of the oxygen gas-liquid separation unit is connected to a second pipeline, the first pipeline and the second pipeline converge and connect to one end of an alkali electrolyte return main pipeline, and the other end of the alkali electrolyte return main pipeline is connected to an oxygen-side pipeline and a hydrogen-side pipeline. The hydrogen-side pipeline is connected to a hydrogen-side alkali electrolyte flow channel inlet of the electrolyzer, and the oxygen-side pipeline is connected to an oxygen-side alkali electrolyte flow channel inlet of the electrolyzer. The hydrogen-side pipeline and the oxygen-side pipeline are respectively provided with a flow rate detection assembly and a flow rate regulation assembly. A hydrogen-side gas outlet of the electrolyzer is connected to the hydrogen gas-liquid separation unit, and an oxygen-side gas o
Nº publicación: EP4705670A2 11/03/2026
Solicitante:
H2 CLIPPER INC [US]
H2 Clipper, Inc
Resumen de: AU2024265029A1
A system and method for transporting and distributing hydrogen, reducing the risk of hydrogen leakage, maintaining a record of provenance, and measuring and recording its purity level as it flows from source to destination to assure it complies with a predetermined range of values. The system includes a hydrogen delivery line made from metallic or non-metallic pipe that may be placed inside a safety pipe such that a channel is formed between an exterior of the hydrogen delivery line and an interior of the safety pipe. A sweeper gas or liquid may be injected into the channel to purge any hydrogen that might escape from the hydrogen delivery line, and one or more sensors may be used to detect and avoid the presence of an unacceptable level of hydrogen, or to stop the flow of hydrogen and remediate the problem well before a safety or environmental risk can occur.