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1094
results.
Updated on
20/08/2026 [07:05:00]
Results 150 to 175 of 1094
Absstract of: US20260217529A1
A hydrogen plant includes hydrogen liquefiers, individual pipes, a confluent pipe, and branch pipes. The hydrogen liquefiers convert hydrogen gas into liquefied hydrogen. The individual pipes respectively belong to the hydrogen liquefiers and serve as hydrogen flow passages. The confluent pipe includes a confluence where downstream ends of the individual pipes of the hydrogen liquefiers meet to combine to one, and a collecting pipe located at a downstream position of the confluence. The branch pipes respectively branch from the individual pipes to each take out hydrogen flow having a phase of gas or two phases of liquid and gas.
Absstract of: US20260218402A1
0000 A membrane having excellent radical durability and low gas permeability, a membrane electrode assembly including the membrane, and a water electrolysis apparatus are provided. A membrane having a laminated structure including a layer B1, a layer A, and a layer B2 in this order, in which the layer A contains a hydrocarbon-based polymer (a) which has an ionic group and may be fluorine-substituted, and each of the layers B1 and B2 contains a perfluoro-carbon polymer (b) having an ionic group.
Absstract of: US20260218071A1
0000 The present disclosure relates to a system for producing hydrogen from feedstock and a method thereof. The system comprises a first chamber adapted to thermally decompose the feedstock, and a second chamber adapted to receive a first portion of the gaseous stream and to receive a first portion of the solids stream to form a reactants combination. The second chamber adapted to partially react the reactants combination with steam to produce a product gas. The system further comprises a third chamber adapted to receive a second portion of the gaseous stream and adapted to receive a second portion of the solids stream to form a combustibles combination. The third chamber adapted to at least partially combust the combustibles combination to produce process heat for the first chamber and/or the second chamber. The system further comprises a controller adapted to adjust the composition of the reactants combination and of the combustibles combination.
Absstract of: US20260217522A1
0000 A process for producing a synthesis gas product by an endothermic reaction of a feedstock stream, including 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, and providing heat from the second combustion to the endothermic reaction.
Absstract of: AU2024420420A1
This electrolysis cell comprises: an ion exchange membrane; a power feeder which is provided on the surface of the ion exchange membrane and composed of a plurality of fibers formed in a sheet shape; a binder layer that covers the surface of each of the fibers; and an electrode catalyst layer that contains catalyst particles at least partially protruding from the surface of the binder layer. At least a part of the catalyst particles protrudes from the surface of the binder layer. Consequently, the surface area of the exposed portion of the catalyst particles is increased, and thus the contact area with an electrolyte can be increased.
Absstract of: WO2025012271A1
The invention relates to a plant for preparing H2 by catalytically decomposing NH3. The plant according to the invention can be operated in a start-up mode in order to heat apparatuses of the plant to an increased operating temperature using a heat-transfer medium, e.g. following interruption of a continuous operation of the plant due to maintenance work. After heating to the operating temperature, the plant according to the invention can be operated in a production mode for continuous production of H2. The invention also relates to a method for starting up a plant for preparing H2 by catalytically decomposing NH3.
Absstract of: WO2025012277A1
The invention relates to a method for the preparation of H2 from NH3. NH3 is introduced into a fixed-bed reactor at a gas temperature in the range from 550 to 850°C, in which fixed-bed reactor NH3 is decomposed on an NH3 decomposition catalyst partly into H2 and N2. The gas mixture obtained in this manner is discharged from the fixed-bed reactor at a gas temperature in the range from 300 to 700°C, is heated to a temperature in the range from 550 to 700°C and is then introduced into a tubular reactor in which further NH3 is decomposed on a nickel-based NH3 decomposition catalyst into H2 and N2. The gas mixture obtained in this manner is discharged from the tubular reactor at a gas temperature in the range from 550 to 750°C.
Absstract of: US20260218401A1
The present disclosure relates to a hybrid electrode including plasmonic nanoparticles and an electrolysis system including the same. The hybrid electrode and the electrolysis system including the same according to embodiments of the present disclosure may utilize a plasmonic-active (antenna–reactor) composite electrode to re-activate a catalyst surface via plasmonic phenomena during an electrochemical reaction.
Absstract of: US20260217524A1
Among other things, a process for generating hydrogen by valorizing iron ore tailings (IOT) through the oxidation of remnant ferrous iron phases in the tailings is described. The IOT may be either wet (i.e., containing water) or dry (i.e., not containing water). The reaction may be performed using untreated IOT and may generate hydrogen gas capable of being used on site.
Absstract of: WO2026159979A1
This synthetic fuel generation system comprises: a synthetic fuel generation device that generates a synthetic compound and water by reacting hydrogen and carbon dioxide; a combustion unit that is supplied with a generated gas generated by the synthetic fuel generation device and combusts the generated gas; a heat supply unit that supplies combustion heat in the combustion unit to the synthetic fuel generation device; a generated gas delivery path through which the generated gas is delivered from the synthetic fuel generation device; a combustion supply path that branches from the generated gas delivery path and supplies the generated gas to the combustion unit; and a switching control unit that switches between a combustion mode in which the generated gas is delivered to the combustion supply path and a non-combustion mode in which the generated gas is not delivered to the combustion supply path.
Absstract of: WO2026159980A1
This synthetic fuel generation system comprises: a synthetic fuel generation device that reacts hydrogen and carbon dioxide to generate a synthetic compound and water; a product gas delivery path through which a product gas is delivered from the synthetic fuel generation device; a flowmeter that is provided in the product gas delivery path and measures the flow rate of the product gas; a resupply path that is branched off from the product gas delivery path and returns the product gas to the synthetic fuel generation device; and a switching unit that, when the ratio between the flow rate measured by the flowmeter and the flow rate of the raw material gas supplied to the synthetic fuel generation device exceeds a prescribed ratio, performs switching such that the entire amount of the product gas is delivered to the resupply path when the synthetic fuel generation device is running and such that the amount of the product gas exceeding the flow rate corresponding to the prescribed ratio is delivered to the resupply path when the synthetic fuel generation device is not running.
Absstract of: AU2025213224A1
A system and method of making hydrogen from water. A reaction vessel is provided with an outer shell, a central shaft, and 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 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: US20260221479A1
0000 The present invention provides a reinforced ion-conducting membrane comprising: (a) a reinforcing layer comprising a porous polymer structure; and (b) a polymeric ion-conducting membrane material impregnated within the porous polymer structure; wherein the porous polymer structure comprises a polymer backbone based on nitrogen-containing heterocycles and the polymeric ion-conducting membrane material has a transition temperature Ta in the range of and including 60 to 80° C.
Absstract of: US20260218404A1
An electrolytic cell of the present disclosure includes a first separator, a second separator, an anion exchange membrane disposed between the first separator and a second separator, a cathode disposed between the first separator and the anion exchange membrane, and an anode disposed between the second separator and the anion exchange membrane. The first separator includes a flow path for supplying an electrolyte to the cathode, and at the cathode, at least part of the electrolyte supplied from the flow path is consumed to generate hydrogen and hydroxide ions. The second separator does not include a flow path for supplying the electrolyte to the anode, and at the anode, oxygen and water are generated by the hydroxide ions that have passed through the anion exchange membrane from the cathode in a state where the electrolyte is not supplied.
Absstract of: US20260221470A1
0000 Problem To provide a catalyst-loaded carbon having a high initial activity and excellent durability. SolutionA catalyst-loaded carbon including catalyst particles and a carbon support, the catalyst particles being loaded on the carbon support. The carbon support has a crystallite size of 3.5 nm or greater and 9 nm or less, a BET specific surface area of 300 m<2>/g or greater and 450 m<2>/g or less, and a pore size of 5.0 nm or greater and 20.0 nm or less. The catalyst particles are made of platinum or a platinum alloy, have a crystallite size of 2.5 nm or greater and 5.0 nm or less and a surface area of 40 m<2>/g or greater and 80 m<2>/g or less.
Absstract of: US20260218393A1
0000 The invention provides a system for continuous generation of gases, the system comprising an electrochemical device and an active-material regeneration device.
Absstract of: US20260218390A1
Systems and methods are described for producing lithium hydroxide from lithium chloride through an electrolysis process.
Absstract of: US20260218395A1
The invention provides an electroly ser system (10) comprising a heat storage unit (14) and an electrolyser (16). The heat storage unit (14) comprises at least one heat source infeed. The electrolyser (16) comprises at least one electrolyser cell (20), a steam inlet and at least one off-gas outlet. The off-gas outlet is connected to the heat source infeed to heat the heat storage unit (14). The heat storage unit (14) is configured to use its stored heat to produce steam for feeding into the steam inlet and for generating electrical power, either one at a time or both at the same time. The invention also provides a system comprising an intermittent or variable electricity source (12) and an electrolyser system (10) as defined above. The intermittent or variable electricity source (12) can be configured to power the electrolyser (16) and to heat the heat storage unit (14) via a heating element, either both at the same time or individually.
Absstract of: DE102025102714A1
Die vorgestellte Erfindung betrifft ein Verfahren (100) zum Betreiben eines Elektrolysesystems (200). Das Verfahren (100) umfasst:- Betreiben (101) des Elektrolysesystems (200) an einem Betriebspunkt, bei dem ein Kathodendruck in einem Kathodenraum (203) des Elektrolysesystems (200) größer ist als ein Anodendruck in einem Anodenraum (205) des Elektrolysesystems (200),- Ermitteln (103) eines Öffnungszustands sämtlicher Sicherheitsventile (207a, 207b, 207c) des Elektrolysesystems (200) in einem vorgegebenen Zeitraum und- Ausgeben (105) einer Warnmeldung für den Fall, dass der Öffnungszustand mindestens eines der Sicherheitsventile (207a, 207b, 207c) sich in dem vorgegebenen Zeitraum mehrfach ändert oder sämtliche Sicherheitsventile (207a, 207b, 207c) sich in dem vorgegebenen Zeitraum in einem geöffneten Zustand befinden.
Absstract of: WO2026159939A1
A hydrogen production method according to the present disclosure includes a supply step for supplying water to a hydrogen boride member containing a two-dimensional arrangement of hydrogen boride, wherein hydrogen is generated as a result of the water contacting the hydrogen boride member.
Absstract of: DE102025103146A1
Um eine Elektrolysezelle, insbesondere eine Hochtemperaturelektrolysezelle, bereitzustellen, die eine verbesserte Gasdichtigkeit und einen erhöhten Wirkungsgrad aufweist, wird eine Elektrolysezelle (100), insbesondere Hochtemperaturelektrolysezelle (10), umfassend eine erste Endplatte (12) und eine zweite Endplatte (13) vorgeschlagen, wobei die erste Endplatte (12) und die zweite Endplatte (13) einen Zwischenraum (14) ausbildend übereinander angeordnet sind, wobei in dem Zwischenraum (14) eine Elektrolyseanordnung (16) umfassend eine Kathode (17), eine Anode (18) und ein Elektrolyt (19) angeordnet ist, wobei der Zwischenraum (14) mittels einer Dichtung (20) abgedichtet ist, wobei die Dichtung (20) ein Aerogel umfasst oder aus einem Aerogel besteht.
Absstract of: JP2026123786A
0001 【課題】炭材や炭素化合物の過剰消費を抑制しつつ、カルシウム含有物を用いて効率的に水素ガスを製造する方法を提供する。 【解決手段】容器内にカルシウム含有粉末を装入する工程と、前記容器の外部から、前記容器内の前記カルシウム含有粉末に対して、水蒸気と一酸化炭素ガスとを含有する原料ガスを供給することで、前記水蒸気と前記一酸化炭素ガスとを反応させて二酸化炭素ガス及び水素ガスを生成しつつ、前記カルシウム含有粉末に前記二酸化炭素ガスを固定させる、水素ガス生成工程と、を有する、水素ガスの製造方法。 【選択図】なし
Absstract of: US20260217525A1
A system and method for producing low-cost, low to zero-carbon, and emission-free hydrogen (H2) is provided. The system includes an auto-thermal reformer which uses electrolytic oxygen (O2), a hydrocarbon fuel source, and water (H2O) to perform a partial oxidation reaction and produce auto-thermal reformed hydrogen and carbon dioxide (CO2). The system also includes a carbon dioxide electrolyzer for receiving electricity and the carbon dioxide from the auto-thermal reformer, and performing electrolysis on the carbon dioxide. The carbon dioxide electrolyzer produces electrolytic carbon monoxide (CO) and a portion of the electrolytic oxygen provided to the auto-thermal reformer. The system also typically includes a water electrolyzer, which performs water electrolysis to produce electrolytic hydrogen and more electrolytic oxygen which can be provided to the auto-thermal reformer. In addition, the carbon monoxide produced by the carbon dioxide electrolyzer can be combined with the hydrogen produced by the auto-thermal reformer to form syngas.
Absstract of: WO2026159929A1
Provided are an electrolysis cell stack, an electrolysis cell cartridge, an electrolysis cell module, and a method for producing an electrolysis cell stack which make it possible to suppress a decrease in H2/CO yield, even when a methanation catalyst is contained in a flow passage through which a generated gas generated by a hydrogen electrode via co-electrolysis flows. An electrolysis cell stack (101) according to the present disclosure comprises: an electrolysis cell (105) in which a hydrogen electrode (109), a solid electrolyte (111), and an oxygen electrode (113) are stacked, in this order; a flow passage (117) through which a generated gas generated by the hydrogen electrode flows; and a methanation suppression film (116) that covers the surface of a member (103), which defines the outer contour of the flow passage, on the side thereof on which the generated gas flows. The member defining the outer contour of the flow passage contains a methanation catalyst, and the methanation suppression film does not contain a methanation catalyst.
Nº publicación: WO2026161687A1 30/07/2026
Applicant:
MASSACHUSETTS INST OF TECHNOLOGY [US]
MASSACHUSETTS INSTITUTE OF TECHNOLOGY
Absstract of: WO2026161687A1
Disclosed is an electrolyzer, comprising: a cathode, comprising a cathode catalyst and a cathode separator; an anode, comprising an anode catalyst and an anode separator; a cathode flow field, comprising an inlet and an outlet; wherein the cathode flow field is in contact with the cathode; an anode flow field, comprising an inlet and an outlet; wherein the anode flow field is in contact with the anode; and an electrolyte wherein the cathode separator and the anode separator each independently comprise a porous hydrophobic material. Also disclosed are methods of producing H2 and O2 using the electrolyzer.
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