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388
results.
Updated on
15/11/2026 [07:48:00]
Results 375 to 388 of 388
Absstract of: CN122879730A
0001 本发明涉及电化学工程技术领域，具体涉及一种基于管壳分离架构的质子交换膜电解槽和系统，该电解槽包括：耐压外壳，设置有壳体流体入口、第一壳体流体出口和第二壳体流体出口；至少一个管式电解单元，设置于耐压外壳内部，包括同轴设置的内导筒和外导筒以及之间的膜电极组件；内导筒和外导筒用于作为电解槽的阴极集流体和阳极集流体；耐压外壳与外导筒之间形成壳侧空间，分别与壳体流体入口和第一壳体流体出口导通，用于容纳电解介质和非目标反应产物及换热；内导筒内部形成管侧流道，与第二壳体流体出口导通，用于容纳和传输目标反应产物，或反应产物互换容纳传输空间。如此，实现承压、反应、换热的解耦，且可模块化串并联拓扑。
Absstract of: WO2022138910A1
This hydrocarbon production method comprises a first production step of using carbon dioxide contained in a source material gas to produce carbon monoxide, and a second production step of using hydrogen and carbon monoxide contained in a source material gas to produce a hydrocarbon. Each of the source material gases contains at least one among carbon dioxide, carbon monoxide, and hydrogen, which are not from fossil fuel origin.
Absstract of: WO2025179506A1
The present disclosure relates to an electrode separator unit, a preparation method, an electrolytic cell unit, and a device for hydrogen production from a renewable energy. The electrode separator unit of the present disclosure comprises a membrane electrode assembly arranged in a center area of the electrode separator unit and comprises a sealing frame arranged around the outer peripheral wall of the membrane electrode assembly, wherein the inner peripheral wall of the sealing frame is fixedly connected to the outer peripheral wall of the membrane electrode assembly by means of material connection. In the solution of the present disclosure, by using the sealing frame and fixedly connecting the inner peripheral wall of the sealing frame to the outer peripheral wall of the membrane electrode assembly by means of material connection, no gaps generated by traditional packaging are present in the electrode separator unit. In addition, the contact area between the sealing frame and an adjacent functional component during fixed connection is increased, so that the clamping force for packaging an electrolytic cell device is more concentrated, and thus the sealing effect of the electrode separator unit is firmer, thereby further improving the hydrogen production efficiency. In addition, the present disclosure further reduces the number of parts, reduces the production cost, and improves the production efficiency.
Absstract of: CN122879731A
本发明提供了一种电解槽辅助紧固装置和紧固方法，一种电解槽辅助紧固装置，包括：外围支架，用于为辅助紧固装置提供支撑；施力组件，设置于所述外围支架上，用于对电解槽的中心区域施加压力；所述施力组件包括单侧托盘、单侧压块或双侧压块中的至少一种；驱动组件，与所述施力组件连接，用于驱动所述施力组件移动以调节施加在所述电解槽上的压力大小；本发明的有益效果是：本发明操作简易、可行性高，可直接兼容至现有装配工艺，利用辅助紧固装置及方法，对电解槽的非螺栓紧固区域（中心区）进行压力补偿，从而实现整个电解槽的有效压力加载，维持端板、极板等部件不变形、不失效。
Absstract of: WO2026211282A1
Provided is a steam electrolysis apparatus capable of heating a cell stack so as to have a desired temperature distribution. The steam electrolysis apparatus includes: a cell stack group (101G) in which electrolysis cells composed of a hydrogen electrode, an electrolyte, and an oxygen electrode are electrically connected via an interconnector; and a heating tube (3) that heats the cell stack group (101G). A portion of the heating tube (3) is heated by a high-temperature heat medium and the other portion is heated by a heat medium having a lower temperature than the high-temperature heat medium so as to approach a target temperature distribution (T1) that is a target of the cell stack group (101G).
Absstract of: WO2026211281A1
The present invention provides a steam electrolysis apparatus capable of heating a cell stack as uniformly as possible. The steam electrolysis apparatus comprises: a cell stack group (101G) including a plurality of cell stacks arranged side by side, each cell stack including electrolysis cells electrically connected via interconnectors, each electrolysis cell comprising a hydrogen electrode, an electrolyte, and an oxygen electrode; and a heating tube (3) provided outside the cell stack group (101G) and through which a heating medium flows. The heating tube (3) is provided at a position spaced apart from the cell stack group (101G) by a predetermined distance. The heating tube (3) is provided helically around the cell stack group (101G).
Absstract of: WO2026211776A1
The purpose of the present disclosure is to suppress the occurrence of cracks in an air electrode (29). An electrochemical cell (20) comprises a fuel electrode (21), a solid electrolyte layer (24), a reaction prevention layer (25), an air electrode (29), and interconnectors (AC1, FC1). The air electrode (29) has a first region (R1) having a contact region (S1) in contact with the interconnector (AC1), and a second region (R2) having a non-contact region (S2) not in contact with the interconnector (AC1). The content of an accessory component in a first volume of the first region (R1) of the air electrode (29) is greater than the content of the accessory component in a second volume of the second region (R2) of the air electrode (29).
Absstract of: US20260312080A1
An oxygen reduction catalyst may include a catalyst metal having oxygen reduction reaction activity and a modified layer comprising an organic nitrogen compound having a triazine ring structure represented by the following formula (I) or a cation thereof:In the formula (I), R1, R2, R3, R4, R5, and R6 each independently represent a hydrogen atom, a group represented by R7OCH2—, or a group represented by —X—*, wherein R7 represents a hydrogen atom or an alkyl group having 3 to 8 carbon atoms, X represents a methylene group (—CH2—) or a methyleneoxy group (—O—CH2—), and * represents a bond. However, at least one of R1, R2, R3, R4, R5, and R6 is a group represented by R—OCH2— (where Rz is an alkyl group having 3 to 8 carbon atoms).
Absstract of: WO2026212402A1
According to the present invention, a continuous production system for synthetic natural gas may be provided in a continuous process system for converting carbon dioxide into synthetic natural gas. The continuous production system for synthetic natural gas comprises: an electrochemical reactor which receives carbon dioxide and water and generates synthetic gas through an electrochemical reaction; and a thermochemical reactor which receives the generated synthetic gas from the electrochemical reactor and generates methane through a thermochemical reaction. The electrochemical reactor includes a negative electrode containing a silver (Ag) or gold (Au)-based catalyst and reduces carbon dioxide to carbon monoxide. The electrochemical reactor generates synthetic gas having a ratio of carbon monoxide to hydrogen of 1:2.90 to 1:3.54.
Absstract of: WO2026211779A1
The purpose of the present disclosure is to suppress the occurrence of cracks in an air electrode (29). An electrochemical cell (20) has a fuel electrode (21), a solid electrolyte layer (24), a reaction prevention layer (25), the air electrode (29), and interconnectors (AC1, FC1). The air electrode (29) has a first region (R1) having a contact region (S1) that is in contact with the interconnector (AC1), and a second region (R2) having a non-contact region (S2) that is not in contact with the interconnector (AC1). The included percentage of an auxiliary component in a first volume of the first region (R1) in the air electrode (29) is smaller than the included percentage of the auxiliary component in a second volume of the second region (R2) in the air electrode (29).
Absstract of: US20260312075A1
0000 Provided is an electrochemical oxygen reduction catalyst in which a decrease in catalytic activity is suppressed. The present disclosure relates to an electrochemical oxygen reduction catalyst, a manufacturing method thereof, and a fuel cell and a water electrolysis system using the electrochemical oxygen reduction catalyst. The electrochemical oxygen reduction catalyst comprises a catalyst metal having an oxygen reduction activity and an additive that modifies the catalyst metal. The additive contains a nitrogen-containing cyclic organic compound having a triazine skeleton, a polymer thereof, or a cation thereof. In the nitrogen-containing cyclic organic compound, the polymer thereof, or the cation thereof, a total number of functional groups that substitute hydrogen atoms of melamine and functional groups that substitute amino groups of melamine is 3.79 or more and 5.51 or less per molecule of the nitrogen-containing cyclic organic compound.
Absstract of: US20260307984A1
A method of ammonia (NH3) decomposition includes flowing hydrogen (H2) through a reactor containing a catalyst to reduce the catalyst and flowing an NH3 mixture through the reactor at a temperature of 100 to 800 degrees Celsius (° C.) to decompose the NH3. The catalyst is a metal-doped lanthanum manganite material (LaMnO3) including cobalt (Co) and nickel (Ni) each in an amount of 0.1 to 2.0 percent by weight (wt. %) based on a total weight of the metal-doped LaMnO3 material. The NH3 mixture includes NH3 and helium in a volumetric ratio of 5:95 to 15:85. At least 99 wt. % of NH3 is decomposed to form H2 and N2 at a temperature of 550° C. based on an initial amount of the NH3.
Absstract of: US20260308785A1
0000 Provided is an electrode composition for proton exchange membrane water electrolysis comprising a binder, a catalyst, and a solvent, wherein the binder comprises a polar group-free binder. The electrode may comprise a binder, a catalyst, and a solvent, wherein the binder may comprise a polar group-free binder. The binder may further comprise a polar group-containing binder. Also provided is an anode comprising the electrode composition for proton exchange membrane water electrolysis. Also provided is a membrane-electrode assembly comprising the electrode for proton exchange membrane water electrolysis. Also provided is a proton exchange membrane water electrolysis cell comprising the electrode for proton exchange membrane water electrolysis.
Absstract of: US20260308773A1
The system produces, stores, and utilizes Oxyhydrogen gas in scalable quantities for direct or indirect use in multiple applications where process automation and safety features provide continuous duty with a maximum level of safety and a minimum of maintenance. In an embodiment, the system generates Oxyhydrogen Gas using a generator/electrolyzer, a reservoir, a control module, a compression process, flash back arrestor with thermal indication, storage, safety release module, and a utilization burner module and/or a combustion module. In and embodiment There are an additional sub-systems and their components that support production including distilled water, caustic solution, heat exchange, vacuum pump, and De-Foamer.
Absstract of: DE102025113773A1
Die vorliegende Erfindung betrifft eine Photokatalysevorrichtung mit wenigstens einem Photokatalysereaktor. Die Erfindung betrifft darüber hinaus ein Photokatalyseverfahren, bei dem Wasserdampf und/oder Wasser wenigstens einem Photokatalysereaktor zugeführt wird/werden, in dem der Wasserdampf und/oder das Wasser photokatalytisch in Wasserstoff und Sauerstoff aufgespalten wird/werden. Erfindungsgemäß weist der wenigstens eine Photokatalysereaktor jeweils einen Innenraum mit wenigstens einem Wasserdampf- und/oder Wassereinlass und wenigstens teilweise eine dem Innenraum des jeweiligen Photokatalysereaktors zugewandte Innenbeschichtung auf und ist bis auf seine Medienein- und auslässe nach außen dicht, wobei an oder um eine(r) Außenseite des Photokatalysereaktors wenigstens eine Erwärmungseinrichtung oder eine Abwärmezufuhr angeordnet ist, wobei die Innenbeschichtung ein keramisches, einen Katalysator für eine Photokatalyse ausbildendes Funktionsmaterial aufweist und in dem Innenraum des jeweiligen Photokatalysereaktors ein Wasserstoffkanal ausgebildet ist, dessen Kanalwandung zumindest teilweise als eine für Wasserstoff durchlässige, aber für Sauerstoff, Stickstoff und Wasser undurchlässige Membran ausgebildet ist.
Absstract of: DE102025113540A1
Die vorgestellte Erfindung betrifft ein Verfahren (100) zum Minimieren einer Degradation von Zellen in einem Zellstapel (201) eines Elektrolysesystems (200), wobei das Verfahren (100) umfasst:- Betreiben (101) des Elektrolysesystems (200) in einem Elektrolysebetrieb, bei dem Wasser in den Zellen durch Zufuhr von elektrischem Strom in Wasserstoff und Sauerstoff gespalten wird,- Beenden (103) des Elektrolysebetriebs und- Verdrängen (105) zumindest eines Teils eines in dem Zellstapel (201) befindlichen Elektrolyten durch ein Austauschfluid aus dem Zellstapel (201), nachdem der Elektrolysebetrieb beendet wurde.
Absstract of: WO2026209443A1
The present invention relates to an assembly comprising a bipolar plate (100) for an electrolytic cell (10, 10', 10'',...) of an electrolyser stack (1), which has a right cylindrical overall shape with a longitudinal axis X, the bases of the cylinder each having a recess (44, 45), having a right 5 cylindrical shape of height h and the same axis X, a periphery (43) circumscribing the recesses (44, 45), the periphery (43) being provided with channels (40, 41) which pass through the periphery (43) from a first opening (46) arranged on one face of the periphery (43) to a second opening (47) arranged on the opposite face of the periphery (43), the channels (40, 41) being configured to allow the recess (44, 45) to be supplied with an electrolytic fluid, or a mixture of 0 electrolytic fluid and electrolysis gases to be discharged from the recess (44, 45), at least one of the openings (46, 47) being circumscribed by a groove (42), and a sealing gasket (48). According to the invention, the sealing gasket (48) rests in the groove (42).
Absstract of: FI20253120A1
The present disclosure relates to an electrolysis apparatus drain (2) system comprising a storage vessel (16) configured to receive an extracted fluid and a pressure regulation valve (28) fluidly connected to the storage vessel (16) and provided downstream of the storage vessel (16). A drain valve (30) is configured to control flow of the extracted fluid from the storage vessel (16) and provided downstream of the pressure regulation valve (28). An upstream side of the pressure regulation valve (28) is provided at the same pressure environment as the storage vessel (16) and a downstream side of the pressure regulation valve (28) provides a predetermined pressure at the drain valve (30).
Absstract of: WO2026212273A1
The present invention relates to a reactor for an ammonia decomposition reaction and an ammonia decomposition method using same, wherein, during an ammonia decomposition reaction in which ammonia is decomposed into hydrogen and nitrogen by using a catalyst, molten salt is accommodated between the inner surface of a shell and the outermost surface of a multi-tube structure including a reaction tube and a preheating tube, and an inlet through which ammonia is introduced is connected to one end of the preheating tube so as to communicate with each other, so that heat transfer is achieved, thereby eliminating a temperature gradient, and the temperature of the reactor can be uniformed without cold spots by setting the specific heat and the mass flow rate of the ammonia and the molten salt in the reactor.
Absstract of: DE102025113113A1
Vorgeschlagen wird ein Verfahren zur Herstellung einer Elektrolysezelle (1), umfassend zwei Elektroden (2, 3) mit einem dazwischen angeordneten Separator (4). Dabei wird zur Ausbildung zumindest einer Elektrode (2, 3) ein Elektrodenmaterial (5) auf eine poröse Transport- (6) und/oder Gasdiffusionslage (7) aufgebracht. Erfindungsgemäß wird vor dem Aufbringen des Elektrodenmaterials (5) eine perforierte Metallfolie (8) auf die poröse Transport-(6) und/oder Gasdiffusionslage (7) aufgebracht. Beim anschließenden Aufbringen des Elektrodenmaterials (5) auf die Oberfläche (8) der perforierten Metallfolie (8) werden Bereiche der porösen Transport- (6) und/oder Gasdiffusionslage (7), die durch die perforierte Metallfolie (8) freigelassenen werden, gezielt ausgespart.Darüber hinaus betrifft die Erfindung eine Elektrolysezelle (1).
Absstract of: FI20253122A1
The present invention relates to a pressure control system (2) for an electrolysis arrangement comprising at least one sensor (22) configured to determine a pressure difference (Δp) between two fluid pathways comprising respective resultant fluids produced by an electrolysis stack (4) in use. At least one valve (20) configured to allow fluid flow therethrough to control pressure in the at least one of the fluid pathways. A controller (24) is configured to determine if said pressure difference (Δp) exceeds a threshold pressure difference (p*) and to control the valves (20) to reduce said pressure difference by continuously and/or in real-time adjusting the valve (20).
Absstract of: WO2026209361A1
System (1) comprising a dihydrogen production installation (3), a geothermal installation (2) and an installation (4) configured to transfer heat from a geothermal fluid (9) supplied by the geothermal installation (2) to an inlet stream (8) feeding the dihydrogen production installation (3). Method for implementing this system (1).
Absstract of: WO2026210551A1
A zero-emission and high-efficiency boiler using oxyhydrogen generated on demand through electrolysis of water, comprising a final boiler heat exchanger (33) traversed by boiler water comprising means for connection to hydraulic circuits of external user systems (35; 37), and an oxyhydrogen generator (1) comprising an electrolytic cell (3) comprising a plurality of electrically conductive plates arranged side by side in a row, mutually spaced, and a positive pole and a negative pole connected to two of the plates; at least one of these plates is affected by a groove that cuts one of its faces with or without passing through its entire thickness; and comprising burner-heat exchanger assemblies (27, 27') in connection with the oxyhydrogen generator (1) and the final boiler heat exchanger (33) and comprising direct-flame burners and heat exchangers comprising internal passages for the boiler water, arranged above the burners (FIG.1).
Absstract of: DE102025113548A1
Die Erfindung betrifft ein Elektrolysesystem (1), umfassend mindestens einen Elektrolysestack (2) mit einer Anode (3) und einer Kathode, wobei der Anode (3) über einen Anodenkreislauf (4) ein Elektrolyt, insbesondere Wasser, zuführbar ist und wobei in den Anodenkreislauf (4) mindestens ein Gas-Flüssigkeitsseparator (5) zur Aufbereitung des Elektrolyten integriert ist. Erfindungsgemäß sind in den Anodenkreislauf (4) mindestens zwei Gas-Flüssigkeitsseparatoren (5, 6) integriert, die hydraulisch parallelgeschaltet sind, wobei mindestens einer der Gas-Flüssigkeitsseparatoren (5, 6) über ein einlassseitiges erstes Ventil (7) und ein auslassseitiges zweites Ventil (8) vom Anodenkreislauf (4) trennbar ist.Die Erfindung betrifft ferner ein Verfahren zum Betreiben eines Elektrolysesystems (1).
Nº publicación: WO2026207635A1 08/10/2026
Applicant:
NEXT HYDROGEN CORP [CA]
NEXT HYDROGEN CORPORATION
Absstract of: WO2026207635A1
An electrolyser module is provided comprising a plurality of stacked structural plates. Each structural plate has opposite end faces and an outer rim. Each structural plate defines a cell chamber opening and at least first and second degassing chamber openings extending though said structural plate between opposite end faces. The structural plates are stacked between opposite end pressure plates to form at least first and second degassing chambers and a series of cell chambers. The electrolyser module may further comprise at least one external reinforcing structure extending about the periphery of at least one of said structural plates to mechanically support said structural plates against stress induced by an internal pressure of said electrolyser module. Structural plates for electrolyser modules are also provided.
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