Resumen de: EP4723419A1
0001 The invention relates to a method for controlling an electrolyzing plant (10, 14) having at least two electrolyzing devices (16, 26), wherein the electrolyzing devices comprise a first and a second electrolyzing device, the method comprising: - converting an alternating voltage of an electric power network (12) into an electrolyzing voltage, wherein converting is affected by an electric converter (22, 24) connected with the electric power network at a connection point (20), - detecting an electric quantity with a sensor (36) at the connection point (20), wherein the electric quantity is indicative for a specific network condition, - comparing the sensor signal (42) with at least one predetermined reference value, and - dependent on a comparing result, a consumed electric power of the at least one first electrolyzing device is reduced and a consumed electric power of the at least one second electrolyzing device is maintained.
Resumen de: WO2024249360A2
A power generation system includes a housing, a lid defining an opening in the housing, and a chamber inside the housing configured to receive a cartridge comprising a powdered fuel mixture. The system also includes a fluid reservoir that stores a fluid configured to react with the powdered fuel mixture to produce hydrogen gas. A processor is configured to control ingress of the fluid from the fluid reservoir to the powdered fuel mixture in the cartridge and control egress of the gas from the cartridge to the gas storage compartment. The system also includes a generator configured to generate electricity from the gas in the gas storage compartment.
Resumen de: WO2024249360A2
A power generation system includes a housing, a lid defining an opening in the housing, and a chamber inside the housing configured to receive a cartridge comprising a powdered fuel mixture. The system also includes a fluid reservoir that stores a fluid configured to react with the powdered fuel mixture to produce hydrogen gas. A processor is configured to control ingress of the fluid from the fluid reservoir to the powdered fuel mixture in the cartridge and control egress of the gas from the cartridge to the gas storage compartment. The system also includes a generator configured to generate electricity from the gas in the gas storage compartment.
Resumen de: EP4721857A1
Provided is a catalyst-supporting honeycomb structure capable of achieving both an improved conversion of ammonia and an improved life of a catalyst.A catalyst-supporting honeycomb structure (1) includes a ceramic honeycomb structure (2), a catalyst layer (3) that is formed in a flow channel (2a) of the honeycomb structure (2) and decomposes ammonia, and electrodes (4a, 4b) each formed on a lateral surface of the honeycomb structure (2). A current is applied to the honeycomb structure (2).
Resumen de: US2025091862A1
A plant, such as a hydrocarbon plant, is provided, which has a syngas stage for syngas generation and a synthesis stage where the syngas is synthesized to produce syngas derived product, such as hydrocarbon product. The plant makes effective use of various streams; in particular, CO2 and H2. The plant does not comprise an external feed of hydrocarbons. A method for producing a product stream, such as a hydrocarbon product stream is also provided.
Resumen de: EP1000000A1
The invention relates to an apparatus (1) for manufacturing green bricks from clay for the brick manufacturing industry, comprising a circulating conveyor (3) carrying mould containers combined to mould container parts (4), a reservoir (5) for clay arranged above the mould containers, means for carrying clay out of the reservoir (5) into the mould containers, means (9) for pressing and trimming clay in the mould containers, means (11) for supplying and placing take-off plates for the green bricks (13) and means for discharging green bricks released from the mould containers, characterized in that the apparatus further comprises means (22) for moving the mould container parts (4) filled with green bricks such that a protruding edge is formed on at least one side of the green bricks.
Resumen de: CN222499404U
The utility model provides an AEM water electrolysis electrode and a water electrolysis device. The AEM water electrolysis electrode comprises a catalyst carrier, the catalyst is formed on the catalyst carrier; the gas dredging channel is arranged on the catalyst carrier, and at least part of the surface of the catalyst carrier is exposed through the gas dredging channel. The water electrolysis electrode provided by the utility model can be applied to a water electrolysis device, and has the advantages of high catalytic activity and low energy consumption.
Resumen de: WO2024261365A1
The invention relates to a method for producing and storing hydrogen by means of heterogeneous catalytic electrolysis and to a device for the method. The invention specifically concerns the electrolysis of freshwater or seawater (H2O) by means of direct current using electrodes (6, 7) having a structure defined by a porous substrate (8), preferably activated carbon, and a semiconductor formed by a coating layer (9) of oxides, nitrides or hydroxides of transition metals, preferably titanium dioxide, with a valence band energy level substantially below the oxidation potential of H2O and a conduction band energy level above the reduction potential of hydrogen in the standard hydrogen electrode (SHE), allowing dynamic H2 generation and static H2 generation involving simultaneous storage with cumulative electronic capacitance.
Resumen de: 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 <sb /> an <sb />, V <sb /> ca <sb />), such that the control system uses control data representative of the anode gas pressure (p <sb /> an <sb />), the cathode gas pressure (p <sb /> an <sb />), the anode alkaline solution level (lan) and the cathode alkaline solution level (lca) to control each of the two gas control valves (V <sb /> an <sb /> , V <sb /> ca <sb /> ), and wherein each of the sensors transmits operating signals to the two gas control valves (Van, Vca) in order to control the gas pressures (p <sb /> an <sb />, p <sb /> ca <sb />) and the alkaline solution levels (lan, lca) in the anode gas-liquid separator (GLSan) and the cathode gas-liquid separator (GLSca).
Resumen de: US20260092384A1
A modular solid oxide electrolyzer cell (SOEC) system including a stack of electrolyzer cells configured to receive steam in combination with hydrogen, and a steam recycle outlet configured to recycle a portion of the steam.
Resumen de: US20260091976A1
A thermochemical gas splitting reactor system and a method of splitting gas are disclosed. The system includes a reactor including a reaction zone comprising active material, a gas heating zone, and a gas distribution plate assembly interposed between the reaction zone and the gas heating zone. Exemplary systems can include multiple reactors. The method can include providing one or more reactors and performing one or more of an oxidation and/or reduction process using each of the reactors.
Resumen de: DE102024209484A1
Die Erfindung betrifft eine mehrsträngige Elektrolyseanlage (1) für die Zerlegung von Wasser in Wasserstoff und Sauerstoff, umfassend mehrere parallel geschaltete Elektrolysestränge (2) mit jeweils mehreren in Reihe geschalteten Elektrolysestapeln (3), sowie einen ersten Separator (4), der über eine erste Hauptzufuhrleitung (5) und davon abgehende erste Zweigleitungen (6) mit ersten Eingängen (7) einer jeweils ersten Elektrodenseite (8) der Elektrolysestränge (2) verbunden ist, wobei erste Ausgänge (9) der jeweils ersten Elektrodenseite (8) der Elektrolysestränge (2) über erste Sammelleitungen (10), die in eine erste Hauptabfuhrleitung (12) münden, mit dem ersten Separator (4) verbunden sind, sowie einen zweiten Separator (12), der über eine zweite Hauptzufuhrleitung (13) und davon abgehende zweite Zweigleitungen (14) mit zweiten Eingängen (15) einer jeweils zweiten Elektrodenseite (16) der Elektrolysestränge (2) verbunden ist, wobei zweite Ausgänge (17) der jeweils zweiten Elektrodenseite (16) der Elektrolysestränge (2) über zweite Sammelleitungen (18), die in eine zweite Hauptabfuhrleitung (19) münden, mit dem zweiten Separator (12) verbunden sind, wobei in den ersten und zweiten Hauptzufuhrleitungen (5, 13), den ersten und zweiten Zweigleitungen (6, 14), den ersten und zweiten Sammelleitungen (10, 18) und den ersten und zweiten Hauptabfuhrleitungen (11, 19) Ventile (20) angeordnet sind. Ferner betrifft die Erfindung ein Verfahren zum Betrieb einer mehrstr�
Resumen de: WO2026072631A1
An apparatus for generation of at least one of carbon dioxide or hydrogen from saline water is disclosed. The apparatus includes an anodic compartment, an anode on a first side of the anodic compartment, a cathodic compartment, a cathode on a first side of the cathodic compartment, a first cation permeable fluidic separator on a second side of the anodic compartment, a second cation permeable fluidic separator on a second side of the cathodic compartment, a center compartment between the first and second cation permeable fluidic separators, and a mixing chamber including an inlet fluidly connectable to or in fluid communication with the outlet of the anodic compartment and an outlet, the center compartment having one of an outlet fluidly connectable to or in fluid communication with the inlet of the mixing chamber or an inlet fluidly connectable to or in fluid communication with the outlet of the mixing chamber.
Resumen de: DE102024209653A1
Die Erfindung betrifft eine Zelle (1) für die PEM-Wasser-Elektrolyse, die zumindest eine Abfolge von einer GDL Anode (GDLA), einer MEA, einer Kathode (GDLK)in einem Rahmen (10) aufweist, wobei die Stirnseiten (26, 28) der Anode (GDLA) und Kathode (GDLK) mit einer Dichtung (25, 27) versehen sind,die unter Druck dicht an den Rahmen (10) anlegen, sowie Bipolarplatten (BPP) auf der Anode (GDLA) und unter der Kathode (GDLK).
Resumen de: DE102024209483A1
Die Erfindung betrifft ein Sicherheitssystem (1) mit einem Detektor (2) für Strukturschäden in einem Elektrolysestapel (3) mit einer Vielzahl von Elektrolysezellen (4), wobei der Detektor (2) als optischer Sensor, Ultraschallsensor, Kontaktband zur mechanischen Detektion, raumakustische Überwachung, Körperschallüberwachung an Endplatten des Elektrolysestapels oder als Sensorik in Blindflanschen, Gasverteilern oder Gassammlern ausgestaltet sein kann. Die Erfindung betrifft ferner eine Elektrolyseanlage mit einem solchen Sicherheitssystem (1) und ein Verfahren zur Detektion von Strukturschäden in einem Elektrolysestapel (3).
Resumen de: WO2026065648A1
Disclosed are an anode slurry, a preparation method therefor, and a use thereof. The present invention provides a method for preparing anode slurry C, which comprises the following steps: step 1, mixing an iridium catalyst, a perfluorosulfonic acid resin dispersion, and a solvent to obtain slurry A; step 2, adding a platinum precursor to slurry A to obtain slurry B; and step 3, reacting slurry B at 50-90 °C to prepare anode slurry C. In the present invention, by means of directly adding a water-soluble platinum precursor into an anode oxidation iridium catalyst slurry, the dispersion of platinum and the hydrogen removal capability in oxygen per unit mass of platinum are significantly improved.
Resumen de: DE102024128389A1
Die Erfindung betrifft einen photoelektrochemischer Reaktor, mit zumindest einem Behältnis, welches zumindest teilweise mit einem Elektrolyten befüllt ist und mit zumindest einer Solarzelle zur Umwandlung auf den Reaktor auftreffender elektromagnetischer Eingangsstrahlung in elektrische Leistung, wobei die Solarzelle eine Anodenseite und eine der Anodenseite gegenüberliegende Kathodenseite und eine oder mehrere Seitenflächen aufweist, wobei an der Kathodenseite eine kathodenseitige Katalysatorschicht und an der Anodenseite eine anodenseitige Katalysatorschicht angeordnet ist und wobei die Solarzelle derart angeordnet ist, dass die kathodenseitige Katalysatorschicht und die anodenseitige Katalysatorschicht mit dem Elektrolyten in Kontakt stehen. Wesentlich ist, dass der Reaktor derart ausgebildet ist, dass eine Strahlungseinkopplung der Eingangsstrahlung in die Solarzelle im Wesentlichen durch eine oder mehrere Seitenflächen der Solarzelle, bevorzugt im Wesentlichen durch eine Seitenfläche der Solarzelle, erfolgt.
Resumen de: US20260092381A1
An electrocatalyst including a first layer, including a porous nickel foam, and a second layer, including an iron-vanadium oxide (FeVOx). The iron-vanadium oxide includes an iron oxide and a vanadium oxide. The iron-vanadium oxide contains 10 to 30 atomic percent (at. %) iron and 15 to 30 at. % vanadium based on the total number of atoms in the iron-vanadium oxide. The second layer includes iron-vanadium oxide particles having the longest dimension of 0.5 to 5 micrometers (μm). The electrocatalyst of the present disclosure may be used in oxygen evolution reactions.
Resumen de: DE102024209677A1
Die Erfindung betrifft einen Gas-Flüssigkeitsseparator (1) zum Abscheiden von Gasen aus einem Gas-Flüssigkeitsgemisch für ein Elektrolysesystem, aufweisend einen im Querschnitt kreisrunden Grundkörper (2) mit einem Einlass (3) für das Gas-Flüssigkeitsgemisch sowie mit einem Gasauslass (4) und einem Flüssigkeitsauslass (5). Erfindungsgemäß ist der Einlass (3) für das Gas-Flüssigkeitsgemisch tangential in Bezug auf den Grundkörper (2) angeordnet und der Grundkörper (2) weist eine Temperiereinrichtung (6) auf.
Resumen de: DE102024128012A1
Verfahren zum Betreiben einer Wasserstoffproduktionsanlage (10) mit mehreren Elektrolysevorrichtungen (11), die zur Erzeugung von Wasserstoff aus Wasser mit Hilfe von elektrischem Strom eingerichtet sind, wobei die Elektrolysevorrichtungen (11) vorzugsweise mehrere parallel geschaltete Kaskaden (12) aus jeweils in Reihe geschalteten Elektrolysevorrichtungen (11) bilden, wobei zur Wasserstoffproduktion die Elektrolysevorrichtungen (11) über einen Wasserkreislauf (13) mit Wasser versorgt werden, wobei zur Wasserstoffproduktion die Elektrolysevorrichtungen (11) von einer elektrischen Stromquelle oder elektrischen Spannungsquelle mit elektrischer Leistung versorgt werden. Zur Überprüfung, ob an einer Elektrolysevorrichtung (11) eine Wasserstoffleckage vorliegt, werden folgende Schritte einer Sicherheitsroutine ausgeführt werden: Die zu überprüfende Elektrolysevorrichtung (11) wird mit einer definierten elektrischen Eingangsgröße beaufschlagt. An der zu überprüfenden Elektrolysevorrichtung (11) wird eine von der definierten elektrischen Eingangsgröße abhängige, elektrische Ist-Ausgangsgröße erfasst. Die an der zu überprüfenden Elektrolysevorrichtung (11) erfasste Ist-Ausgangsgröße wird mit einer Soll-Ausgangsgröße verglichen. Abhängig von dem Vergleich der Ist-Ausgangsgröße mit der Soll-Ausgangsgröße wird auf eine Wasserstoffleckage oder die Wahrscheinlichkeit einer Wasserstoffleckage an der Elektrolysevorrichtung (11) geschlossen.
Resumen de: WO2026064984A1
The present application relates to the technical field of water electrolysis for hydrogen production and discloses a hydrogen removal layer, a preparation method therefor, a hydrogen removal proton exchange membrane, a membrane electrode, and a water electrolysis hydrogen production apparatus. The hydrogen removal layer comprises the following components in parts by weight: 10-20 parts of a metal oxide, 10-20 parts of a catalyst, and 2-10 parts of an ionomer. The catalyst comprises at least one of a platinum black catalyst, an iridium black catalyst, and a palladium black catalyst. The hydrogen removal layer described in the present application can effectively reduce the hydrogen content in oxygen on the anode side of a proton exchange membrane.
Resumen de: WO2026071256A1
This ion exchange membrane comprises: a sulfonic acid-type membrane body containing a polymer having a sulfonic acid group; and a reinforcing material disposed inside the sulfonic acid-type membrane body. The sulfonic acid-type membrane body has a first surface having a surface roughness R1 of 10 μm or more. The sulfonic acid-type membrane body also has a second surface having a surface roughness R2 of 10 μm or more.
Resumen de: WO2026072719A1
Methods for stabilizing metal electrodes in saltwater electrolysis include pretreating the saltwater to obtain pretreated saltwater. The pretreated saltwater is mixed with a metal hydroxide to create a basic saltwater solution. The basic saltwater solution has about a 3 molar (M) or greater concentration of metal hydroxide. The basic saltwater solution is electrolysed in an electrolyzer system comprising an anode and a cathode, the anode comprising NiFe layered double hydroxide (LDH) and the cathode comprising NiFe; and producing hydrogen gas by the cathode.
Resumen de: WO2026072650A1
An apparatus for generation of carbon dioxide and hydrogen a saline water source are disclosed. The apparatus may include an anodic compartment having an inlet and an outlet, an anode disposed on a first side of the anodic compartment, a cathodic compartment having an inlet and an outlet, a cathode disposed on a first side of the cathodic compartment, a first cation permeable fluidic separator disposed on a second side of the anodic compartment, a second cation permeable fluidic separator disposed on a second side of the cathodic compartment, a center compartment defined between the first cation permeable fluidic separator and the second cation permeable fluidic separator, and a source of acidic catholyte that is one of fluidly connectable to or in fluid communication with the inlet of the cathodic compartment. Methods of generating hydrogen, carbon dioxide, and oxygen from seawater using the apparatus are also disclosed.
Nº publicación: WO2026072487A1 02/04/2026
Solicitante:
EXXONMOBIL TECH AND ENGINEERING COMPANY [US]
Resumen de: WO2026072487A1
Systems and methods are provided for conversion of renewable power into hydrocarbons, such as hydrocarbon fuels, via a methanol intermediate. In addition, it is desired to capture and reuse carbon dioxide in order to form these hydrocarbons. When the conversion of carbon dioxide is performed using hydrogen generated by electrolysis (preferably from renewable electricity), the management of process water is beneficial for reducing or minimizing the overall water requirements for the process as well as extending the lifetime of the electrolyzers. Systems and methods are also provided for recovery and purification of process water for recycle to the electrolyzers.