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474
results.
Updated on
19/04/2025 [07:09:00]
Absstract of: TW202428343A
The invention relates to the electrochemical production of hydrogen and lithium hydroxide from Li+-containing water with the aid of an LiSICon membrane. It addresses the problem of specifying a process that can be operated economically on an industrial scale too. In particular, the process should have good energy efficiency and achieve a high membrane lifetime even when the employed feed contains impurities that are harmful to LiSICon materials. A particular aspect of the process is that the selective separation of lithium by the membrane and an electrolysis of water take place simultaneously in the cell. A key aspect of the process is that the electrochemical process is carried out in basic media, more precisely at pH 9 to 13. The pH is adjusted by adding a basic compound to the feed.
Absstract of: US2025125390A1
A sustainable water fueled process and apparatus where a Unipolar electrolysis of water is described and the hydrogen and oxygen are stored before feeding a hydrogen fuel cell which is capable of providing sufficient electricity to provide power to a drive a vehicle, power a generator etc, after supplying electricity to the Unipolar electrolyser and the storage of the hydrogen and oxygen.
Absstract of: US2025125396A1
There is provided a composite electrolyte membrane for an electrochemical device, comprising at least one reinforced polymer electrolyte membrane having a first surface and an opposing second surface. The reinforced polymer electrolyte membrane comprises a microporous polymer structure and an ion exchange material, in which the ion exchange material is at least partially embedded within the microporous polymer structure to render the microporous polymer structure occlusive. The composite electrolyte membrane further comprises a plurality of porous layers comprising a first porous layer and a second porous layer, in which the first porous layer is adjacent to the first surface of the first reinforced polymer electrolyte and the second porous layer is adjacent to the second surface of the reinforced polymer electrolyte. Also disclosed is a membrane electrode assembly comprising such a composite electrolyte membrane and a redox flow battery, fuel cell, and electrolyzer comprising such a membrane electrode assembly.
Absstract of: US2025122629A1
A mission configurable system for fuel generation is provided. The mission configurable system includes a mobility unit configured to support multiple fuel generation components customized to a specific mission. The fuel generation components can include at least one renewable energy generation system such as a hydrogen electrolyzer, a methane reformer, a solar panel, and/or a wind turbine.
Absstract of: US2025125395A1
A metal fluoride-functionalized proton-exchange solid support includes a proton-exchange solid support comprising a substituent group including an oxygen atom, and a metal fluoride group comprising a multivalent metal atom covalently bonded to the oxygen atom included in the substituent group, wherein the metal atom has a negative formal charge.
Absstract of: US2025125653A1
A mobile hydrogen supply system includes a natural energy power generation device that generates electric power from natural energy, and a hydrogen generation device that generates hydrogen. The hydrogen generation device is operable on electric power generated by the natural energy power generation device, and the natural energy power generation device and the hydrogen generation device are transportable.
Absstract of: US2025123002A1
In one aspect, an appliance for heating food, in particular a grill, and/or for emitting heat to the surroundings, in particular a heating appliance, includes at least one provision unit for providing hydrogen and at least one reaction unit for generating heat from the hydrogen. In one implementation, the reaction unit is designed as a catalytic unit for the flameless combustion of the hydrogen having at least one catalyst for catalyzing the hydrogen.
Absstract of: US2025121344A1
A process for carrying out an endothermic reaction of a feed gas in a reactor system including a pressure shell housing a structured catalyst arranged for catalyzing the endothermic reaction of a feed gas, the structured catalyst including a macroscopic structure of electrically conductive material, the macroscopic structure supporting a ceramic coating, the ceramic coating supporting a catalytically active material.
Absstract of: US2025122627A1
A method of generating hydrogen including applying a potential of greater than 0 to 2.0 V to an electrochemical cell that is partially submerged in an aqueous solution. On applying the potential, water in the aqueous solution is reduced, and thereby forms hydrogen. The electrochemical cell includes an electrocatalyst and a counter electrode. The electrocatalyst includes a substrate, WO3−x nanosheets, and CdS1−y nanospheres, in which, x is from greater than 0 to less than 3 and y is from greater than 0 to less than 1. The CdS1−y nanospheres are dispersed on the WO3−x nanosheets to form a nanocomposite, which is dispersed on a surface of the substrate. The WO3−x nanosheets have an average length of 600-800 nanometers (nm) and an average width of 300-500 nm, and the CdS1−y nanospheres have an average diameter of 10-50 nm.
Absstract of: FI20236153A1
According to a first aspect of the present disclosure there is provided an arrangement (10) for a proton exchange membrane (PEM) device. The arrangement comprises the anode (13) of said PEM device, a hydrogen feed line (11,12) for feeding hydrogen to the anode (13), a circulation line (14) fitted in parallel with the anode of the PEM device for circulating part of the hydrogen from said feed line (12) past the anode, and at least one slip-stream filter (15) arranged on said circulation line (14) for removing impurities from the hydrogen. The slip-stream filter (15) at its input end is connected to said circulation line (14) via a first valve (16) and at its output end is connected to the fuel return outlet (18) of said anode. The fuel return outlet being in flow connection with a purge line (20) for the anode having a second valve (17). The slip-stream filter (15) during a regeneration process may be flushed with gas from said circulation line (14) through said second valve (17).
Absstract of: AU2023349727A1
A system (1) for producing ammonia comprises an ammonia reactor (44) which is designed to produce ammonia (NH3) from a synthesis gas, the synthesis gas comprising hydrogen (H2) and nitrogen (N2), and the system also comprises an electrolizer (2) which is designed to produce hydrogen and oxygen from water, wherein: a compressor (6) is provided and is fluidically connected to the electrolizer (2) and is designed to compress the hydrogen (H2) coming from the electrolizer (2); and the compressor (6) is designed to compress mobile hydrogen (H2).
Absstract of: DE102023210058A1
Die Erfindung betrifft einen Gas-Flüssigkeit-Separator (1) für eine Elektrolyseanlage, umfassend einen Behälter (2) mit einem Einlass (3) zum Einleiten eines Gas-Flüssigkeit-Gemischs, das sich im Behälter (2) aufgrund des Schwerefelds der Erde in eine Gasphase (4) und eine Flüssigphase (5) trennt, mit einem Gas-Auslass (6) zum Ausleiten von Gas aus der Gasphase (4) sowie einem Flüssigkeits-Auslass (7) zum Ausleiten von Flüssigkeit aus der Flüssigphase (5). Erfindungsgemäß umfasst der Gas-Flüssigkeit-Separator (1) eine steuerbare Heizeinrichtung (8), mittels welcher der Behälter (2) beheizbar ist.Die Erfindung betrifft ferner eine Elektrolyseanlage mit mindestens einem erfindungsgemäßen Gas-Flüssigkeit-Separator (1) sowie ein Verfahren zum Betreiben einer Elektrolyseanlage.
Absstract of: DE102023127801A1
Die vorliegende Erfindung betrifft eine Wasserelektrolyseelektrode mit einem lonomer, das in Poren eines Nickel-Eisen-Katalysators gefüllt ist, und ein Verfahren zur Herstellung davon. Während des Galvanisierungsprozesses des Katalysators auf einem Substrat zur Herstellung der Wasserelektrolyseelektrode wird Wasserstoffgas entfernt, wodurch eine Porenstruktur innerhalb des Katalysators gebildet wird. Durch Füllen dieser Porenstruktur mit dem Ionomer ist es möglich, die Effizienz und Haltbarkeit der Wasserelektrolysevorrichtung zu verbessern.
Absstract of: DE102023128289A1
Die Erfindung betrifft eine Wasserstoffproduktionsanlage, umfassend mindestens eine erste Produktionslinie, umfassend zumindest eine erste Elektrolysevorrichtung mit einer Mehrzahl von ersten Elektrolysemodulen und eine erste Verdichtervorrichtung mit einer Mehrzahl von ersten Verdichtermodulen, eine Steuerung, umfassend zumindest ein Fahrplanerstellungsmodul und ein Steuermodul, wobei das Fahrplanerstellungsmodul eingerichtet ist zum Erstellen eines Ansteuerfahrplans zumindest für die ersten Elektrolysemodule und für die ersten Verdichtermodule, basierend auf jeweiligen Leistungskennlinien der jeweiligen ersten Elektrolysemodule, jeweiligen Leistungskennlinien der jeweiligen ersten Verdichtermodule und mindestens einem vorgegebenen Optimierungskriterium, und wobei das Steuermodul eingerichtet ist zum Ansteuern der ersten Verdichtermodule und der ersten Elektrolysemodule, basierend auf dem erstellten Ansteuerfahrplan.
Absstract of: US2025122075A1
The disclosure relates to a process for producing ammonia. A hydrocarbon mixture and steam are supplied to a primary reformer. The hydrocarbon mixture and the steam are at least partly converted to carbon monoxide and hydrogen in the primary reformer. The gas mixture from the primary reformer is directed into a secondary reformer. The secondary reformer is supplied with process air, at least comprising oxygen and nitrogen, such that unconverted hydrocarbon is converted to carbon monoxide and hydrogen.
Absstract of: US2025122630A1
The invention relates to a method for removing nitrogen compounds which includes electrolysing a urea derivative of general formula I: (R1,R2)N—C(═X)—N(R3,R4), wherein: X means NH, NR5 or S, R1, R2, R3, R4 and R5 can be the same or different, and have the meanings indicated in claim 1, or a polymer of the compound of formula I, in an aqueous medium, in at least one electrolytic cell comprising an anode that comprises a metal, wherein “metal” means one or more metals, one or more compounds of a metal or a mixture of metal compounds or combinations thereof, and comprising a metal cathode. Nitrogen is obtained as a result of the oxidation of the nitrogen compounds at the anode and hydrogen as a result of the reduction of the water at the cathode, with the condition that if the anode is made of platinum, the cathode is not made of platinum.
Absstract of: US2025122628A1
Embodiments are disclosed comprising an electromechanical device that generates hydrogen from mechanical energy without requiring an external source of electrical energy. In one embodiment, for example, the only external energy required is rotational energy and the necessary electrical energy for electrolytic dissociation of water is generated internally to the device. Various aspects of embodiments of the invention provide enhanced efficiency for generating hydrogen. Details of various embodiments are further described herein.
Absstract of: GB2634503A
A method of conditioning an anion exchange membrane (AEM) in an electrolysis cell is described. The anion exchange membrane (AEM) comprises non-hydroxide anions. The method comprises: providing an electrolysis cell comprising an anode, a cathode and an anion exchange membrane situated between the anode and the cathode. The anion exchange membrane is then contacted with a conditioning solution comprising hydroxide ions to replace at least some of the non-hydroxide anions with hydroxide anions. The AEM may comprise quaternary ammonium cations. The conditioning solution may comprise potassium hydroxide. A catalyst may be present between the electrode(s) and the membrane such as an hydrogen evolution reaction catalyst (HER) or oxygen evolution reaction catalyst (OER).
Absstract of: AU2023285309A1
The present invention relates to a framing structure for an electrolyser subject to internal pressure, able to withstand corrosive environments and radial pressure forces. The present invention also relates to an electrolytic cell and electrolyser equipped with said framing structure, as well as its use in high-pressure water electrolysis applications.
Absstract of: EP4538424A1
The various embodiments of the present invention disclose an electrolyser stack, preferably water electrolyser using alkaline medium, comprising: a first end plate and a second end plate and a plurality of cells stacked in-between the first and the second end plate. Each cell comprises an anode cell frame and a cathode cell frame, each cell frame further comprises a central opening, at least one inlet channel transversing through the cell frame, and at least one inlet pathway grooved in the cell frame for connecting the inlet channel to the central opening. The inlet pathway comprises an inlet orifice characterized by a minimum cross-sectional area in the inlet pathway. The cross-sectional area of the inlet channel in the stack is greater than the sum of the cross-sectional area of the plurality of inlet orifices in the stack.
Absstract of: EP4539178A1
The present disclosure relates to the technical field of hydrogen energy power generation, and provides an uninterruptible power supply based on hydrogen energy, which includes a hydrogen production unit, a power storage unit, a power generation device, and a control unit. The hydrogen production unit can prepare oxyhydrogen by an electrolytic method. The power storage unit can supply power to the hydrogen production unit and output electric power to the outside. The power generation device can receive the oxyhydrogen output by the hydrogen production unit and generate electricity, and the power generation device can output electric power to the outside or transmit the electric power to the power storage unit. The control unit communicates with the hydrogen production unit, the power storage unit and the power generation device by electrical signals.
Absstract of: EP4538427A1
The invention relates to a method for removing nitrogen compounds, characterised in that it comprises electrolysing a urea derivative of general formula I: (R<sup>1</sup>,R<sup>2</sup>)N-C(=X)-N(R<sup>3</sup>,R<sup>4</sup>), wherein: X means NH, NR<sup>5</sup> or S, R<sup>1</sup>, R<sup>2</sup>, R<sup>3</sup>, R<sup>4</sup> and R<sup>5</sup> can be the same or different, and have the meanings indicated in claim 1, or a polymer of the compound of formula I, in an aqueous medium, in at least one electrolytic cell comprising an anode that comprises a metal, wherein "metal" means one or more metals, one or more compounds of a metal or a mixture of metal compounds or combinations thereof, and comprising a metal cathode. The method further comprises obtaining nitrogen as a result of the oxidation of the nitrogen compounds at the anode and hydrogen as a result of the reduction of the water at the cathode, with the condition that if the anode is made of platinum, the cathode is not made of platinum.
Absstract of: EP4529991A2
A system (1) for generating hydrogen gas comprises a reaction vessel (101) containing an aqueous solution (102) and a cathode (105) and an anode (107) each positioned at least partly in the reaction vessel (101). The system (1) comprises first and second ultrasonic transducers (215-220) which emit ultrasonic waves in the direction of the cathode (105) and the anode (107) respectively. Each ultrasonic transducer (215-220) is driven by a respective transducer driver (202) to optimise the operation of the system (1) for generating hydrogen gas by sonoelectrolysis.
Absstract of: CN119212789A
The invention relates to a method for converting NH3-containing gases in the presence of a cold plasma, preferably a plasma generated by dielectric barrier discharge (DBD), and a catalyst comprising a support comprising alumina, nickel and at least one iron-containing accelerator. The invention also relates to said catalyst and to the use thereof for the production of high value added molecules such as hydrogen (H2).
Nº publicación: JP2025509061A 11/04/2025
Applicant:
インフィニウムテクノロジー，エルエルシー
Absstract of: CN118843716A
The production of fuels from low carbon electricity and carbon dioxide by using solid oxide electrolysis cells (SOEC) and Fischer-Tropsch synthesis is presented. Fischer-Tropsch synthesis is an exothermic reaction which can be used for generating steam. Steam generated from a liquid fuel production (LFP) reactor system in which a Fischer-Tropsch reaction occurs is used as a feed to the SOEC. And the efficiency of the whole electrolysis system is improved by the steam with higher temperature. The integration of LFP steam improves the efficiency of electrolysis because the heat of vaporization of liquid water does not need to be supplied by the electrolyzer.
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