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1102
results.
Updated on
21/08/2026 [07:00:00]
Results 175 to 200 of 1102
Absstract of: WO2026159932A1
Provided are: an electrolysis cell stack in which a methanation reaction of a product gas that is generated at a hydrogen electrode by co-electrolysis can be suppressed even in cases where a methanation catalyst is contained in a flow passage through which the product gas flows; an electrolysis cell cartridge; an electrolysis cell module; and a method for suppressing methanation in an electrolysis cell stack. An electrolysis cell stack (101) according to the present disclosure comprises: an electrolysis cell (105) in which a hydrogen electrode, a solid electrolyte, and an oxygen electrode are stacked in sequence; a flow passage (117) through which a gas that is generated at the hydrogen electrode flows; and a hollow tube (140) which is disposed in the flow passage (117) so that the gas that is generated at the hydrogen electrode can flow therethrough. A member (103) that defines the outer contour of the flow passage (117) contains a methanation catalyst, and the hollow tube (140) does not contain a methanation catalyst.
Absstract of: WO2026159944A1
The purpose of the present invention is to suppress a methanation reaction of a product gas in a co-electrolysis system and a method for operating same. A co-electrolysis system (120) according to the present disclosure comprises an electrolysis cell stack (101) and a control unit (123). The electrolysis cell stack (101) includes: an electrolysis cell (105) in which a hydrogen electrode, a solid electrolyte, and an oxygen electrode are laminated in this order; a raw material gas flow path (124) through which a raw material gas containing H2O and CO2 supplied to the hydrogen electrode flows; and a product gas flow path (125) through which a product gas produced at the hydrogen electrode flows. The control unit (123) includes a methane concentration suppression unit (135) by which the concentration of methane in the off-gas discharged from the product gas flow path (125) is maintained below a threshold.
Absstract of: US20260216467A1
A breathing equipment for providing a positive pressure gas includes a gas channel, a hydrogen generating device, a pressurizing device, a mixing device, an atomizing device, and an output device. The hydrogen generating device, the pressurizing device, the mixing device, the atomizing device, and the output device are all coupled to the gas channel. The hydrogen generating device is configured to electrolyze water to generate a gas comprising hydrogen. The pressurizing device selectively accelerates an external gas to generate an accelerating gas. The mixing device is configured to mix the gas comprising hydrogen and the accelerating gas to generate a positive pressure gas. The atomizing device is configured to selectively generate an atomizing gas. The output device is configured to selectively output the gas comprising hydrogen, the positive pressure gas, the gas comprising hydrogen with the atomizing gas, or the positive pressure gas with the atomizing gas.
Absstract of: US20260217633A1
Systems and methods for E-methanol production may comprise capturing carbon dioxide from an exhaust gas, the exhaust gas being a byproduct of a gas processing plant; hydrogenating the carbon dioxide with a hydrogen gas to produce a syngas; synthesizing a stream comprising methanol and water from the syngas; and separating at least a portion of the water from the stream to produce an E-methanol.
Absstract of: US20260218400A1
0000 For renewable energy technology to become ubiquitous, it is imperative to develop catalysts useful reactions such as, for example, efficient oxygen evolution reaction (OER) and hydrogen evolution (HER). In accordance with the purpose(s) of the present disclosure, described herein are compounds having one of the following the formula: ABX, ABCX, ABCDX, ABCDEX, ABCDEFX, or ABCDEFGX, wherein (1) A, B, C, D, E, F, and G are, independently, Cr, Mn, Fe, Co, Ni, Cu, and Zn, (2) A, B, C, D, E, F, and G are not the same element, and (3) X is absent or X is C, O, S, P, N, Te, Se, or As. The compounds described herein possess unique electrochemical properties.
Absstract of: DE102025103028A1
Es wird ein Verfahren zur Herstellung einer SiC-Elektrode 1 angegeben. Das Verfahren weist auf: Bereitstellen eines SiC-Pulvers und Sintern des SiC-Pulvers zu einem SiC-Sinterkörper.Des Weiteren wird eine SiC-Elektrode 1 angegeben, die ein gesintertes Elektrodenmaterial 3a,3b aufweist.
Absstract of: DE102025103132A1
Um einen Wasserstofffilter bereitzustellen, mit dem in Elektrolyseverfahren zur Herstellung von Wasserstoff eine Separierung des Wasserstoffs von Wasserdampf ohne aufwändige Kühl-, Kondensations-, Adsorbtionstechnik ermöglicht wird, wird ein Wasserstofffilter (100) für eine Elektrolysezelle (10) oder für einen Verbund (300) aus Elektrolysezellen (10) vorgeschlagen, umfassend ein Metallblech (11), wobei auf mindestens einer Oberfläche (15) des Metallblechs (11) eine Schicht (16) aus einem keramischen Material angeordnet ist, wobei eine Schicht (17) aus einem wasserstoffpermeablen Metall oder einer wasserstoffpermeablen Metalllegierung auf dem keramischen Material angeordnet ist.
Absstract of: US20260217634A1
A method for processing flowback may comprise: providing flowback fluid comprising produced water, methane, hydrogen sulfide, and carbon dioxide; separating the flowback fluid into produced water, methane, hydrogen sulfide, carbon dioxide streams; producing a hydrogen stream and a carbon dioxide stream from the methane stream; producing a hydrogen stream from the hydrogen sulfide stream; and producing a hydrogen stream from the produced water stream. A flowback fluid processing system may comprise: a flowback fluid separator; a water splitting unit; a methane conversion unit; a hydrogen sulfide converter; a carbon dioxide reducing unit; and a synthesis unit.
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: 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: WO2025059699A1
The invention relates to a device and a method for the continuous and/or semi-continuous, photocatalytic and/or photoelectrochemical production of hydrogen from waste water as reaction medium (1), with a flow element (2) forming the reaction space (2). In order to permit a better degree of effectiveness in both photocatalytic and photoelectrochemical hydrogen production from waste water despite simple design conditions, it is proposed that a multiport fitting (3) is provided upstream of the flow element (2) on the inlet side, via which multiport fitting both an oscillation pump (4) and a metering unit (5) for the reaction medium (1) are connected to the flow element (2), and that the oscillation pump (4) forms a conveying device for the reaction medium (1) by at least partially forming a plug flow in the flow element (2).
Absstract of: GB2703483A
A method and membrane reactor for production of pressurised hydrogen are disclosed, the method comprises providing a catalyst for conversion of ammonia to hydrogen and nitrogen; contacting a pressurised reaction stream comprising ammonia with the catalyst to convert at least a portion of the ammonia into hydrogen in a reaction zone; and obtaining a hydrogen product stream comprising pressurised hydrogen by selectively driving hydrogen from the reaction zone through a hydrogen-selective membrane under a pressure differential between a reaction-side pressure of the reaction stream and a product-side pressure of the hydrogen product stream; wherein the product-side pressure is at least 30 bara. The membrane reactor comprises a feed vessel comprising a catalyst bed comprising a catalyst for conversion of ammonia to hydrogen and nitrogen; a hydrogen collection vessel for collecting hydrogen at a pressure of at least 30 bara; and a hydrogen-selective membrane separating the feed vessel and the hydrogen collection vessel for selective removal of hydrogen. Figure 1
Absstract of: WO2025110878A1
An electrolyzer for generating hydrogen from water comprising electrodes and an electrically non-conductive separator layer extending in a substantially vertical plane comprising macroscopic through holes, and wherein the electrodes themselves comprise an anode and a cathode, characterized in that the electrodes are each furnished at opposite faces of the separator, and that the electrodes each comprise a plurality fins and wherein each fin of the plurality of fins projects outwardly from the layer for restricting the upward movement of electrode generated bubbles to a bubble stream that is substantially parallel to the vertical plane.
Absstract of: EP4782580A1
An operation method for a water electrolyzer, including an electrolyzer for electrolyzing water, a hydrogen separator to which hydrogen generated in the electrolyzer is to be led, an oxygen separator to which oxygen generated in the electrolyzer is to be led, and a vent line for discharging gas from the hydrogen separator or the oxygen separator and a vent valve disposed in the vent line, includes: a step of stopping electrolysis of water in the electrolyzer; a step of determining whether a first indicator indicating an increase amount of an oxygen concentration in gas in the hydrogen separator or of a hydrogen concentration in gas in the oxygen separator after stopping the electrolysis exceeds a first threshold; and opening, when the first indicator exceeds the first threshold, the vent valve to decrease a pressure of the hydrogen separator or the oxygen separator to a first specified value.
Absstract of: EP4782577A1
Provided is an ammonia production apparatus, including: a first electrolysis vessel in which at least part of a first electrolysis medium is stored; a first electrode arranged in the first electrolysis vessel; a second electrolysis vessel in which at least part of a second electrolysis medium is stored; a second electrode arranged in the second electrolysis vessel; a separator arranged between the first electrolysis vessel and the second electrolysis vessel; and a first separation unit configured to separate ammonia from the second electrolysis medium, wherein the first electrolysis vessel is configured so that a proton source in the first electrolysis medium is oxidized at the first electrode to generate a proton, wherein the ammonia production apparatus is configured to produce ammonia and hydrogen from nitrogen, a proton, and an electron in the presence of a nitrogen-activating catalyst in the second electrolysis medium, and wherein the ammonia production apparatus is configured to supply, to the first electrolysis medium, nitrogen and hydrogen remaining after ammonia is separated by the first separation unit.
Absstract of: US2025019285A1
Methods, systems and devices for PFAS destruction including adding a sulfite salt to an aqueous solution containing PFAS and then irradiating the aqueous solution with light at 222 nm. The method may include adding a base to the aqueous solution in an amount sufficient to raise a pH of the aqueous solution including PFAS to about 10 or more. It may also include adding a halide salt such as a bromide salt or an iodine salt, and further adding a carbonate. Greater than 90%, or greater than 99%, of the PFAS in the solution may be destroyed by irradiating the aqueous solution in this way.
Absstract of: WO2025012633A1
The invention provides a device for producing hydrogen gas and a process therefor. It also provides a system for generating electrical energy from hydrogen gas. More particularly, the invention provides a device for producing hydrogen comprising an ammonia cracker having one or more raw cracked gas outlets in fluid communication with a common raw cracked gas flow conduit, one or more gas separators in fluid communication with the ammonia cracker via the common raw cracked gas flow conduit, and in fluid communication with a common partially purified cracked gas flow conduit; one or more filter assemblies, each having a first container having one or more walls, one or more partially purified cracked gas inlets and one or more purified cracked gas outlets, wherein the one or more partially purified cracked gas inlets are in fluid communication with the one or more gas separators via the common partially purified cracked gas flow conduit, the first container containing a single mass of adsorbent comprising silica gel, wherein the one or more partially purified cracked gas inlets and one or more purified cracked gas outlets are arranged such that a partially purified cracked gas flows through the single mass of adsorbent in use.
Absstract of: EP4782092A1
0001 An operation method for a dehumidification apparatus for dehumidifying hydrogen gas produced by a hydrogen production apparatus, the dehumidification apparatus including a dehumidifier for removing moisture contained in the hydrogen gas, a discharge line for discharging the hydrogen gas dehumidified by the dehumidifier from the dehumidifier, a dew point measurement line connected to the discharge line, a dew point meter disposed in the dew point measurement line, and an inlet valve and an outlet valve disposed on both sides of the dew point meter in the dew point measurement line, the operation method including a stopping step of stopping discharging of the hydrogen gas from the dehumidifier to the discharge line, and a maintaining step of maintaining a state in which a dew point meter installation part of the dew point measurement line including at least an installation position of the dew point meter is filled with a dry gas when the discharging of the hydrogen gas from the dehumidifier to the discharge line is stopped.
Absstract of: EP4782579A1
0001 A separator according to the present disclosure comprises: a separator body having a first surface and a second surface; a first supply hole and a first discharge hole that are formed on one diagonal line of the separator body on the first surface and pass through the separator body; a plurality of first groove parts that are formed in a region between the first supply hole and the first discharge hole; a trapezoidal first diffusion flow path that spreads from the first supply hole to the first groove part and gradually expands in the width direction from the first supply hole toward the first groove part; a trapezoidal first convergence flow path that spreads from the first groove part to the first discharge part and gradually contracts in the width direction from the first groove part toward the first discharge hole; a first diffusion guide part that is provided in the first diffusion flow path and guides a fluid from the first supply hole to the first groove part; and a first convergence guide part that is provided in the first convergence flow path and guides the fluid from the first groove part to the first discharge hole.
Absstract of: EP4783270A1
A composite membrane includes: a porous substrate including a polyolefin microporous membrane; a silica material having a substrate containing silicon dioxide and having a sulfonic acid group on at least a surface of the substrate; and an ion exchange resin, in which a Gurley value is 1,000 sec/100 mL or more.
Absstract of: WO2025061814A1
The invention relates to a system and method for controlling the operation of the gas-liquid separators (GLSan, GLSca) of an electrolyser comprising a stack (10), and anode and cathode gas-liquid separators that separate the electrolyte and the gas along an alkaline solution level (lan, lca), wherein the dioxygen and dihydrogen gases flow from their respective chambers through a gas control valve (V
Absstract of: CN121843809A
Composite materials, methods of making composite materials, and methods of using composite materials are described herein. The composite material includes an incompatible polymer and/or other incompatible materials. The composite material can be used for various industrial applications. A composite material includes a first component including a first material having a fluid permeable portion and a second component including a second material that is incompatible with the first material; the first component and the second component are coupled at an interface, the interface comprising the second material contained in the fluid permeable portion of the first material, and the interface forming a third component separating at least a portion of the first component from the second component.
Nº publicación: EP4781007A1 29/07/2026
Applicant:
RHEINISCH WESTFAELISCHE TECHNISCHE HOCHSCHULE AACHEN ABGEKUERZT RWTH AACHEN KOERPERSCHAFT DES OEFFEN [DE]
Rheinisch-Westf\u00E4lische Technische Hochschule Aachen, abgek\u00FCrzt RWTH Aachen, K\u00F6rperschaft des \u00F6ffentlichen Rechts
Absstract of: WO2025061540A1
The invention relates to an electrochemical hydrogen compressor (1) comprising at least one compressor unit (4), wherein an electrode arrangement (4c, 4d, 4e) which is disposed between two gas flow regions (4a, 4b) in the at least one compressor unit (4) comprises a gas-tight proton-permeable layer (4d) which is contacted by a gas-permeable cathode layer (4e) on one side of the layer, and which is contacted by a gas-permeable anode layer (4c) on the other side of the layer, wherein the at least one compressor unit (4) forms a compressor arrangement (3) which is arranged in a housing (2) around the interior of a hollow, preferably tubular, gas-permeable core element (5), wherein the interior of the core element (5) is fluidically connected to the radially innermost gas flow region (4b) of the compressor arrangement (3), and the interior of the housing (2) is fluidically connected to the radially outermost gas flow region (4b) of the compressor arrangement (3).
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