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369
results.
Updated on
16/02/2026 [06:57:00]
Results 50 to 75 of 369
Absstract of: US20260035816A1
A hydrogen production system including: a first renewable power source, a first electrolyser, and a single stage power converter having an input side and an output side, wherein the input side is connected to the first renewable power source and the output side is connected to the first electrolyser.
Absstract of: WO2026028988A1
This ion exchange membrane has a short side and a long side of 80 m or more. A membrane thickness deviation rate A, ion exchange capacity deviation rate B, and ion exchange group residual ratio C, which are calculated by a predetermined method, are within a specific numerical range.
Absstract of: WO2026027698A1
The invention comprises an electrochemical cell stack unit (10) consisting of electrochemical cells, which can be used, for example, as a fuel cell unit for electrochemically generating electrical energy from hydrogen and/or as an electrolysis cell unit for generating hydrogen and oxygen from electrical energy.
Absstract of: EP4686773A1
A frame assembly (Fr.Ass) comprising a frame (TF) configured to be integrated in a stack of frames of an electrolyzer, the frame comprising a central opening (CentOp), a first through opening (In<sub>2</sub>, Out<sub>2</sub>), a top surface (Top) and a bottom surface (Bot) opposed to the top surface (Top), the frame further comprising an open channel (OpCh) on the bottom surface (Bot), the frame assembly comprising a bipolar plate (BP) formed from a polymer material, the bipolar plate being arranged so as to seal the open channel (OpChan), the bipolar plate being welded to the frame (TF).
Absstract of: EP4686774A1
A frame assembly (Fr.Ass) comprising a frame (TF) configured to be integrated in a stack of frames of an electrolyzer, the frame comprising a central opening (CentOp), a first through opening (In<sub>2</sub> , Out<sub>2</sub> ), a top surface (Top) and a bottom surface (Bot) opposed to the top surface (Top), the frame further comprising an open channel (OpCh) on the bottom surface (Bot), the frame assembly comprising a bipolar plate (BP) formed from a polymer material, the bipolar plate being arranged so as to seal the open channel (OpChan), the bipolar plate being welded to the frame (TF).
Absstract of: EP4686717A1
A process or plant for the synthesis of methanol (MeOH). The process comprises:(a) passing a water-containing stream (3) through an electrolysis unit (4) to produce a cathode-side stream (5) comprising hydrogen (H<sub>2</sub>) and an anode-side stream (6) comprising oxygen (O<sub>2</sub>);(b) heat-exchanging said cathode-side stream (5) and optionally said anode-side stream (6) in one or more indirect heat exchanger(s) (7, 8, 32, 33) to obtain a cathode-side heat-exchanged stream (9) and optionally an anode-side heat-exchanged stream (10);(c) condensing said cathode-side heat-exchanged stream (9) to separate a liquid condensate product (11) and a syngas (12);said cathode-side stream (5) and/or said syngas (12) comprise carbon dioxide (CO<sub>2</sub>) and optional carbon monoxide (CO) added through a separate stream (2);(d) compressing said syngas (12) and then feeding compressed syngas (13) to a MeOH synthesis loop (14) wherein catalytic conversion of said compressed syngas (13) into MeOH is carried out under methanol synthesis conditions, thus obtaining a crude methanol stream (15);(e) distilling said crude methanol stream (15) in one or more distillation column(s) (16, 17) to give a refined MeOH product (22);wherein said one or more indirect heat exchanger(s) (7, 8, 32, 33) provide a heat input to said one or more distillation column(s) (16, 17), and/or to said MeOH synthesis loop (14), and/or to said electrolysis unit (4).
Absstract of: TW202503114A
Provided are a gas production method and a gas production apparatus that are capable of preventing the composition of generated gas in a gas phase part of each circulation tank from reaching a flammability limit to reduce a bad effect of a remaining dissolved gas in electrolyte on gas purity even when an electrolyte exchange is carried out between an anode side circulation tank and a cathode side circulation tank. In the gas production method of producing oxygen gas and hydrogen gas by electrolyzing electrolyte which is alkaline water by means of an electrolysis vessel, the electrolyte is depressurized when an electrolyte on the anode side and an electrolyte on the cathode side are exchanged.
Absstract of: CN120659909A
An electrochemical cell stack (1) comprising a plurality of cells (2) separated from one another by bipolar plates (5, 5 '), where each cell (2) is formed by two half-cells (3, 4) between which a membrane (6) surrounded by a support frame (7) is arranged, and where a porous transport layer (10, 11) is present in each half-cell (3, 4). The support frame (7) describes a step shape having two adjacent cross-sectional areas (12, 13), in which the edge (18) of the membrane (6) lies in a step (17) formed by the cross-sectional areas (12, 13) and the porous transport layer (10) of the half-cell (3) extends into the step (17), and in which the porous transport layer (10) of the half-cell (3) extends into the step (17). According to the invention, the support frame (7) comprises at least one sealing arrangement (15) injection molded onto the support frame (7) and comprising an electrically insulating sealing material, according to the invention, the sealing arrangement (15) comprises three sealing regions (19, 20, 21), each having at least one sealing lip (22, 22 '), in particular a first sealing region (19) and a second sealing region (20) and a third sealing region (21), which are assigned to narrower regions of the two cross-sectional regions (12, 13) facing the membrane (6), the first sealing region and the second sealing region each contact exactly one bipolar plate (5, 5 '), and the third sealing region is located on a side of the support frame (7) facing away from the step (17)
Absstract of: US2024294395A1
A process for preparing metal oxide comprising (i) at least one metal chosen from nickel and cobalt and optionally (ii) at least one metal chosen from manganese, lithium and aluminum. The process comprising:reacting a metal sulfate comprising (i) at least one metal chosen from nickel and cobalt and optionally (ii) at least one metal chosen from manganese, lithium and aluminum with lithium hydroxide and optionally a chelating agent to obtain a solid comprising a metal hydroxide comprising (i) at least one metal chosen from nickel and cobalt and optionally (ii) at least one metal chosen from manganese, lithium and aluminum, and a liquid comprising lithium sulfate, the metal sulfate comprising (i) at least one metal chosen from nickel and cobalt and optionally (ii) at least one metal chosen from manganese, lithium and aluminum;separating the liquid and the solid from one another to obtain the metal hydroxide;submitting the liquid comprising lithium sulfate to an electromembrane process for converting the lithium sulfate into lithium hydroxide; andreusing at least a first portion of said lithium hydroxide obtained by the electromembrane process for reacting with the metal sulfate;reacting at least a second portion of said lithium hydroxide obtained by the electromembrane process with the obtained metal hydroxide to obtain a mixture of metal hydroxides; androasting said mixture of metal hydroxides to obtain the metal oxide.
Absstract of: AU2023408768A1
A method of hydrogen production includes providing a solution and immersing a device in the solution. The device includes a substrate having a surface, an array of conductive projections supported by the substrate and extending outward from the surface of the substrate, and a plurality of catalyst nanoparticles disposed over the array of conductive projections. The solution includes dissolved sodium chloride (NaCl).
Absstract of: CN120677016A
Provided herein are water-reactive aluminum compositions comprising aluminum or an alloy thereof and an activating metal alloy (e.g., a non-eutectic activating metal alloy comprising bismuth, tin, indium, and gallium; or an activating metal alloy comprising bismuth, tin and indium). Some water-reactive aluminum compositions provided herein are free of gallium. Also provided herein are methods of activating aluminum to provide a water-reactive aluminum composition. Also provided are fuel mixtures comprising the water-reactive aluminum composition described herein and a water-reactive aluminum composition having an increased gallium content; and methods of providing hydrogen and/or steam using the water-reactive aluminum compositions described herein.
Absstract of: MX2025014062A
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.
Absstract of: CN116491864A
The invention is applicable to the technical field of cleaning appliances, and discloses a bottom cover assembly, which seals the bottom of an integrated water tank comprising a clear water tank and a sewage tank, and comprises: an electricity taking access device for connecting a water electrolysis module arranged in the clear water tank to an external power supply interface of the water tank; the upper surface of the bottom cover middle frame seals the clear water tank and/or the sewage tank, the lower surface of the bottom cover middle frame defines a wiring cavity used for connection of the electricity taking access device, the lower surface of the bottom cover middle frame is provided with a bearing ring rib used for supporting the weight of the integrated water tank, and the electricity taking access device is installed on the upper surface or the lower surface of the bottom cover middle frame. The invention further discloses the integrated water tank comprising the bottom cover assembly. The electricity taking access device arranged on the bottom cover assembly and used for taking electricity from the water electrolysis module is far away from the clear water outlet, so that the short circuit of the electricity taking access device caused by water leakage is avoided; the bottom cover assembly not only ensures complete insulation and isolation of the water tank and the electricity taking electrode of the water electrolysis module, but also ensures continuous maintainabi
Absstract of: MA66611A1
An innovative method for producing green hydrogen from seawater combines electromagnetic field-assisted electrolysis with renewable energy. This efficient approach reduces reliance on fossil fuels while improving the kinetics of chemical reactions through the use of a specific electromagnetic field. The saline residue is desalinated to produce fresh water, while the purified hydrogen is stored as a clean energy source, offering significant benefits for industry, transportation, and the environment.
Absstract of: WO2025002651A1
The invention relates to an energy supply device (1) for an electrolyzer (10). The energy supply device (1) has an input circuit (2) and a transformer (3). The input circuit (2) is designed to be connected to an energy source (4) or an energy supply network. In order to improve the energy supply device (1), the input circuit (2) is additionally designed to provide at least two different electric potentials at contacts (5), and the converter (3) is electrically connected to at least one of the contacts (5) on the input side by means of a respective conductor (6). The energy supply device (1) is designed to change the contact (5) connected to the converter (3) by reconnecting at least one conductor (6) of the energy supply device (1). The invention additionally relates to an electrolysis device comprising such an energy supply device (1) and an electrolyzer (10) and to a method for controlling such an energy supply device (1) or such an electrolysis device (100), wherein the converter (3) is operated using a voltage level produced by the input circuit, and at least one conductor (6) of the energy supply device (1) is manually reconnected from a first contact of the contacts (5) to a second contact of the contacts (5) in order to change the voltage level.
Absstract of: US20260028934A1
An energy supply system includes an electrolysis system to perform electrolysis on a first source of water, and break the water into hydrogen and oxygen components. The hydrogen and oxygen components are supplied to a power generation system. The power generation system includes a combustor receiving the hydrogen and oxygen components and is operable to combust the hydrogen and oxygen components. The combustor also receives a source of steam. Products of combustion downstream of the combustor pass over a top turbine rotor, driving the top turbine rotor to rotate. A first generator generates electricity from the rotation of the top turbine rotor.
Absstract of: WO2026022486A1
Described herein includes a method for the production of hydrogen gas, the method comprising: (i) providing a DC electrical power supply; (ii) providing a plasma reactor (100) comprising: (a) a plasma chamber (105), (b) a plasma torch (135) comprising a first plasma electrode extending into the plasma chamber, (c) a second plasma electrode extending into the plasma chamber, and (d) first and second spray systems, each extending into the plasma chamber; (iii) establishing a DC electric potential between the first plasma electrode and the second plasma electrode to generate and sustain a reaction zone about a plasma arc therebetween; (iv) providing a spray of a hydrogen-containing feedstock into the reaction zone from the first spray system, whereby a mixture of gases comprising hydrogen gas is formed in the plasma chamber by decomposition of the hydrogen-containing feedstock; and (v) providing a spray of water into the plasma chamber adjacent to the reaction zone from the second spray system, whereby the spray of water cools and dilutes the mixture of gases formed in step (iv).
Absstract of: US20260028730A1
Conventional control schemes for electrolyzers focus on maximizing electrical efficiency, which describes the relationship between the electrical energy consumed and the gas produced by the electrolyzer. However, the cost associated with high electrical efficiency may be unnecessarily expensive. In one embodiment presented herein, a model is used to determine the cost (or profit) associated with a gas produced by the electrolyzer at each of a plurality of operating conditions. The control system can select the operating condition to use based on which operating condition is associated with the lowest cost (or highest profit), even though that operating condition may not be associated with the highest electrical efficiency.
Absstract of: US20260028737A1
A continuous method includes passing a first steam feed stream to a cathode of an electrolyzer including the cathode, an anode and an electrolyte inserted between the cathode and the anode, thereby producing a cathode effluent including hydrogen, passing a second steam feed stream and one or more of a recycled tail gas stream from a reactor unit and a methane-rich feed stream to the anode of the electrolyzer, wherein the one or more of the recycled tail gas stream and the methane-rich feed stream are utilized as fuel for producing the cathode effluent including hydrogen, and passing the cathode effluent including g hydrogen and a carbon dioxide feed stream to the reactor unit, thereby producing a chemical product or a fuel-based product.
Absstract of: US20260028728A1
The present application relates generally to methods and systems for accelerating the evaporation of brine pond water. In one embodiment the application pertains to an integrated process for producing hydrogen wherein waste heat evaporates the brine water. The process comprises producing hydrogen and heat from water using an electrolyzer and then heating a heat transfer fluid with the heat from the electrolyzer. The heated heat transfer fluid is pumped to a heat exchanger where it heats a brine solution from the brine pond to increase its evaporation.
Absstract of: US20260028734A1
A method for use in controlling operation of a hydrogen production plant includes determining a maximum available amount of energy of a predetermined energy category in a current time interval; determining a target minimum amount of the energy of the predetermined energy category to be used for hydrogen production in the current time interval; and determining hydrogen setpoints for the current time interval using the maximum available amount and the target minimum amount as constraints.
Absstract of: US20260028543A1
Methods and systems of the present disclosure can function to capture flue gas and convert the flue gas to a synthesis gas, which can be further processed to other components such as liquid fuels. Aspects of the present disclosure provide for a process designed to capture flue gas from large scale (i.e. ̃GW), fossil based power plants in a 24/7 continuous operation. In addition, the method and system can convert the flue gas to a synthesis gas (mainly carbon monoxide and hydrogen), which will be processed into high quality liquid fuels, like diesel.
Absstract of: US20260027556A1
A catalyst for decomposition of ammonia, and a method for decomposition of ammonia in which a decomposition reaction of ammonia is performed in the presence of the catalyst, the catalyst including a carrier, and catalytically active components supported on the carrier, where the catalytically active components include i) ruthenium (Ru) as first metal; ii) lanthanum (La) as second metal: and iii) one or more of aluminum (Al) and Cerium (Ce) as third metal, and the catalyst has a porosity of 25% or more. The catalyst exhibits very high ammonia conversion rates, has little pressure difference between the front end and back end of the reactor, has high catalyst strength, and catalyst layer temperature difference is very small.
Absstract of: AU2026200145A1
MAGNETOHYDRODYNAMIC HYDROGEN ELECTRICAL POWER GENERATOR A power generator is described that provides at least one of electrical and thermal power comprising (i) at least one reaction cell for reactions involving atomic hydrogen hydrogen products identifiable by unique analytical and spectroscopic signatures, (ii) a molten metal injection system comprising at least one pump such as an electromagnetic pump that provides a molten metal stream to the reaction cell and at least one reservoir that receives 5 the molten metal stream, and (iii) an ignition system comprising an electrical power source that provides low-voltage, high-current electrical energy to the at least one steam of molten metal to ignite a plasma to initiate rapid kinetics of the reaction and an energy gain. In some embodiments, the power generator may comprise: (v) a source of H2 and O2 supplied to the plasma, (vi) a molten metal recovery system, and (vii) a power converter capable of (a) 10 converting the high-power light output from a blackbody radiator of the cell into electricity using concentrator thermophotovoltaic cells or (b) converting the energetic plasma into electricity using a magnetohydrodynamic converter. MAGNETOHYDRODYNAMIC HYDROGEN ELECTRICAL POWER GENERATOR an a n
Nº publicación: JP2026503762A 29/01/2026
Applicant:
ペトロリアムナショナルブルハド（ペトロナス）
Absstract of: CN120981608A
Disclosed is an electrolyte solution comprising an electrolyte, where the electrolyte is used in an amount ranging between 1 wt% and 10 wt% of the electrolyte solution; an ionic liquid, wherein the ionic liquid is used in an amount ranging between 1 wt% and 5 wt% of the electrolyte solution; and a solvent, wherein the solvent is used in an amount ranging between 75 wt% and 99 wt% of the electrolyte solution.
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