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993
results.
Updated on
14/03/2026 [07:00:00]
Absstract of: 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.
Absstract of: 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
Absstract of: 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
Absstract of: 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
Absstract of: 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.
Absstract of: US20260071333A1
The problem addressed by the invention is that of specifying a process for producing lithium hydroxide that is very energy-efficient. The process should in particular manage without using thermal energy. As a raw material, the process should be able to process Li-containing waters that arise when used lithium-ion batteries are digested. The LiOH produced by the process should be of sufficiently high purity that it can be used directly for the production of new LIBs. The process should achieve a high throughput and have a low space requirement so that it can be combined with existing processes for reprocessing used LIBs or for producing new LIBs to form a closed, continuous production cycle. The process according to the invention is an electrolytic membrane process that is operated using an LiSICon membrane. A particular aspect of the process is that the electrolysis is operated up to the precipitation limit of the lithium hydroxide.
Absstract of: US20260070783A1
The disclosure relates to systems and methods for the production of hydrogen (H2) from ammonia (NH3) in a membrane reactor that include using ammonia as a sweep gas. Ammonia is converted to hydrogen and nitrogen (N2), and the hydrogen is separated from the nitrogen and unreacted ammonia by passing the hydrogen through a hydrogen-permeable membrane while using ammonia as a sweep gas. The ammonia sweep gas can be separated from the permeated hydrogen and continuously recycled.
Absstract of: US20260070826A1
A produced water stream in a GOSP is pretreated to remove total suspended solids, emulsified oil, total organic carbon, chemical organics and inorganics, and biodegradable matter. The pretreated produced water stream is further processed to remove hydrogen sulfide gas, which is split in an electrolysis cell to produce hydrogen, sulfur, and water. Following this, bromine gas is removed. The pretreated produced water stream, after the removal of hydrogen sulfide and bromine gas, is further treated using CO2 to produce several minerals. The pretreated produced water stream, after mineral production, is desalinated to produce fresh water and a reject stream. Several valuable chemicals are produced from the reject stream. This process recovers valuable minerals and chemicals from a produced water stream in a GOSP.
Absstract of: US20260071336A1
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.
Absstract of: US20260071342A1
There is provided a system comprising burning facility (101); a synthetic fuel production facility (102); a hydrogen production facility; and an oxygen production facility (114); wherein the oxygen production facility (114) is configured to feed the produced oxygen to the burning facility (101) for combustion of fuel at the burning facility (101) using the produced oxygen, and the burning facility (101) is configured to produce a CO2-rich flue gas based on the combustion of the fuel at the burning facility (101) using the produced oxygen, and the burning facility (101) is configured to feed the produced CO2-rich flue gas to the synthetic fuel production facility (102) for capturing the CO2 generated at the combustion in a fuel synthesis.
Absstract of: US20260071341A1
A hydrogen production system includes: an electrolysis module that supplies steam to a hydrogen electrode including a metal component and produces hydrogen through steam electrolysis; a hydrogen storage facility that stores generated hydrogen; a steam supply unit that supplies steam to the hydrogen electrode; a regulation unit that regulates a supply amount of the hydrogen supplied from the hydrogen storage facility to the hydrogen electrode and a supply amount of the steam supplied from the steam supply unit to the hydrogen electrode; and a control device for controlling the regulation unit to switch a heating medium supply state in which a heating medium is supplied from a heating medium supply unit to the hydrogen electrode to a steam supply state in which steam is supplied from the steam supply unit to the hydrogen electrode, in response to the electrolysis module exceeding a first switching temperature when activating the electrolysis module.
Absstract of: US20260074251A1
A fuel cell system including a fuel cell module having an anode inlet configured to receive an anode inlet stream including fuel and an anode outlet configured to output an anode exhaust stream including carbon dioxide and steam, a solid oxide electrolysis cell module configured to receive waste heat and a first portion of the anode exhaust stream from the solid oxide fuel cell module and output an electrolysis output stream including hydrogen and carbon monoxide, wherein at least a portion of the electrolysis output stream is redirected to become a component of the anode inlet stream of the fuel cell module, and a controller configured to operate the solid oxide electrolysis cell module at an endothermic current density
Absstract of: 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.
Absstract of: 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.
Absstract of: 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
Absstract of: 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).
Absstract of: US20260002270A1
An enclosure adapted for a hydrogen and oxygen generating apparatus arranged in a movable has an interior and an interior surface and an exterior surface whereby the hydrogen and oxygen generating apparatus comprises at least one electrolyser stack adapted for electrolysing water to hydrogen product gas and oxygen product gas and accompanying gas and electrolyte handling equipment. The exterior surface of the enclosure comprises at least a heat insulating, flexible polymer cover element which is attached to a metal frame.
Absstract of: CN120659908A
A hydrogen generating battery includes a pair of input electrode plates, a pair of output electrode plates, an additional X-plate electrode positioned adjacent the pair of output electrode plates, and a plurality of intermediate electrode plates disposed between the pair of input electrode plates and the pair of output electrode plates. The plasma torch is spaced apart from and inductively coupled to the pair of input electrode plates. A pulsed DC voltage is applied to the plasma torch and the X-plate, while a lower pulsed DC voltage is applied to the pair of input and output electrode plates such that hydrogen gas is generated from the aqueous solution in which the battery is immersed.
Absstract of: WO2025048510A1
The present invention relates to a separator in which an anode catalyst layer is coated on one surface of a porous substrate, and an electrochemical cell comprising same, the separator allowing ions to smoothly move through pores of the porous substrate and exhibiting low overpotential due to having the anode catalyst layer coated on one surface thereof.
Absstract of: JP2026038451A
【課題】電解質膜の更なる劣化を抑制できる水電解システムを提供する。【解決手段】水素極と、酸素極と、水素極および酸素極の間に位置する電解質膜と、を有する水電解システムは、電解質膜の劣化状況を検出する劣化検出部と、水電解システムの起動時に、検出された前記劣化状況に応じて、水素極において発生する水素の圧力の上昇速度と圧力の上限値とのうち少なくとも一方を調整する水素調圧部と、を備える。【選択図】図１
Absstract of: JP2026038393A
【課題】アンモニアメタネーションにより効率よくメタン含有流体を製造する技術を提供する。【解決手段】アンモニアと二酸化炭素とを含有する原料流体からメタン含有流体を生成するにあたり、アンモニア分解活性、及びメタネーション活性を有する第一触媒が充填された第一反応器３１に前記原料流体を供給し、アンモニアの分解、及びメタネーションを進行させて中間生成流体を得る。次いで、第一反応器３１から流出した前記中間生成流体を冷却した後、メタネーション活性を有する第二触媒が充填された第二反応器３２に供給してメタネーションを進行させ、メタン含有流体を得る。【選択図】図６
Absstract of: US20260063035A1
A lunar regolith reduction reactor system includes a housing, a crucible, and a pair of electrodes. The housing includes a base structure and a cover structure detachably connected to the base structure, a gas input port to permit input of hydrogen gas into the housing, and a gas output port to permit outgassing of water vapor and gases. The crucible is designed to hold an amount of lunar regolith in the housing. The electrodes are disposed apart from one another and adjacent the crucible, wherein the electrodes are connectable to a power source to generate an electric arc to heat lunar regolith in the crucible and initiate a reduction reaction to separate oxygen gas and reduce separated material into a molten state.
Absstract of: US20260062823A1
A method of preparing bismuth vanadate particles is described. The bismuth vanadate particles prepared via ultrasonication and hydrothermal treatment exhibit controlled morphology (e.g., octahedral shape) and crystallinity (e.g., tetragonal crystal symmetry). A photoelectrode containing bismuth vanadate particles and a method of using the photoelectrode in a photoelectrochemical cell for water splitting is also provided.
Absstract of: US20260062816A1
A method of operating an electrolyzer system includes electrolyzing water into oxygen and inlet hydrogen using a polymer electrolyte cell (PEC) module including PECs, providing the inlet hydrogen to solid oxide electrolyzer cell (SOEC) modules that each include at least one SOEC stack, providing steam to the SOEC modules, and electrolyzing the steam to generate oxygen and a main product stream containing hydrogen.
Nº publicación: US20260063069A1 05/03/2026
Applicant:
MITSUBISHI HEAVY IND LTD [JP]
MITSUBISHI HEAVY INDUSTRIES, LTD
Absstract of: US20260063069A1
A raw material fluid treatment plant is provided with a raw material reaction apparatus for reacting a raw material fluid to form a reaction gas. The raw material reaction apparatus includes preheaters and a reactor. The preheaters are heat exchangers that perform heat exchange between a second heat transfer medium and the raw material fluid to heat the raw material fluid. The reactor is a heat exchanger that performs heat exchange between a first heat transfer medium differing from the second heat transfer medium and the raw material fluid having been heated by the preheaters to heat and react the raw material fluid.
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