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495
resultados
Última actualización
03/01/2026 [07:10:00]
Resultados 25 a 50 de 495
Resumen de: WO2024097986A2
Disclosed herein are devices, systems, and methods of using aluminum, activated with a liquid metal catalyst stored inside of one or multiple shipping containers or shipping container-like boxes to produce hydrogen and direct heat on demand.
Resumen de: CN120390829A
The present invention provides a small high-voltage electrolyzer for generating hydrogen and oxygen, the small high-voltage electrolyzer comprising: one or more cells each comprising a plurality of high-voltage electrolysis cells wherein the electrolysis cells of the respective cells are electrically connected in series; and a central electrolyte header functionally connected to each of the electrolytic cells for supplying a liquid electrolyte to the cell; a central hydrogen header connected to each of the electrolytic cells for discharging the generated hydrogen from the cells; a central oxygen header connected to each of the electrolytic cells for discharging the generated oxygen from the cells; the direct-current power supply is used for supplying power to each unit of the electrolytic bath which is connected in series; wherein the cells of the electrolytic cells connected in series are electrically connected in parallel.
Resumen de: GB2641899A
A hydrogen extraction system for extracting hydrogen from a liquid electrolyte 102 comprising at least one isotopologue of lithium hydride, the system including an electrolysis cell 100 comprising: a first electrode for generating hydrogen from the liquid electrolyte 102; a second electrode spaced apart from the first electrode; and a solid-state electrolyte 112 comprising a high entropy oxide (HEO) material for physically isolating one of the electrodes from the liquid electrolyte 102 and conducting ions from the liquid electrolyte 102 and the electrode thus physically isolated. The HEO material may comprise five or more different metal cations, comprising magnesium (Mg), cobalt (Co), nickel (Ni), copper (Cu), and zinc (Zn), and may comprise lithium (Li). A method of extracting hydrogen using the extraction system is defined. A tritium breeding system is defined, comprising the hydrogen extraction system and a breeder blanket, the breeding system configured to supply liquid electrolyte comprising at least one tritium-containing isotopologue of lithium hydride to the electrolysis cell from the breeder blanket and to return liquid electrolyte to the breeder blanket from the electrolysis cell following electrolysis of the at least one tritium-containing isotopologue of lithium hydride.
Resumen de: EP4667621A1
The present application relates to an electrolyzer. The electrolyzer comprises a plurality of cells (1) defining a cell stack (1), each cell (1) comprising first and second cavities, channels (2) for input of a liquid electrolyte into each cavity of each cell (1); output channels (31, 32) for output of hydrogen from the first cavities; and outlet channels (31, 32) for oxygen output from the second cavities, wherein each cell (1) defines a first half (A) and a second half (B), wherein the inlet channels (2) are located in the first half (A) and the outlet channels (31, 32) are located in the second half (B). This arrangement of the input and output channels improves the efficiency of the cells both individually and collectively, and reduces corrosion effects normally generated by hot spots.
Resumen de: CN120858473A
The invention relates to a component comprising a metal substrate and a layer of an amorphous carbon-based material having sp2 hybrid bonds and sp3 hybrid bonds wherein the layer has a first content of sp3 hybrid bonds on the substrate side and a second content of sp3 hybrid bonds on the outer surface side of the layer, the first content being greater than the second content; it is characterized in that the average content of sp3 hybrid bonds within the layer is from 5% to 65%, preferably from 5% to 45%, and in that the content of sp3 hybrid bonds varies continuously within the layer.
Resumen de: WO2024166004A1
Electrolytic cell (10) for the decoupled electrolysis of water comprising a first electrode (11), for the production of hydrogen (H2) and oxygen (O2), alternatively; a second electrode (12); an alkaline aqueous solution (13) in which the first electrode and the second electrode are immersed; polarity reversal means operatively connected to both the first electrode and the second electrode; the first electrode and the second electrode are polarized in the opposite way to each other in all operating conditions; the second electrode (12) comprises porous conductive carbon.
Resumen de: WO2024170902A1
An oxygen evolution catalyst material is provided, the catalyst material comprising iridium oxide (IrOx) and a potassium iridate crystalline phase. The potassium iridate crystalline phase provides a reflection in the x-ray diffraction (XRD) pattern of the catalyst material at 20 = 13° and offers high oxygen evolution catalyst activity.
Resumen de: DE102024205651A1
Die Erfindung betrifft eine Stackanordnung (1) für eine elektrochemische Anlage, insbesondere eine Elektrolyseanlage oder ein Brennstoffzellensystem, umfassend mindestens einen Stack (2) sowie eine den mindestens einen Stack (2) aufnehmende Einhausung (3). Erfindungsgemäß bildet die Einhausung (3) mindestens zwei Aufnahmeräume (4) aus, die durch mindestens eine Trennwand (5) voneinander getrennt sind, vorzugsweise gasdicht getrennt sind, wobei in einem ersten Aufnahmeraum (4.1) der mindestens eine Stack (2) und in einem weiteren Aufnahmeraum (4.2) mindestens eine Komponente (6) eines Subsystems der elektrochemischen Anlage aufgenommen ist.Die Erfindung betrifft ferner eine elektrochemische Anlage mit einer erfindungsgemäßen Stackanordnung (1).
Resumen de: WO2024170774A1
The present invention relates to a method of producing green hydrogen and associated products from pyrite separated from mine waste (e.g., disposed tailings or active tailings streams) in an energetically self-sustained process. This is achieved by a method according to the present invention comprising the following steps: (a) separation and enrichment of a mine waste material comprising pyrite to obtain a pyrite concentrate, (b) oxidation of the pyrite concentrate to obtain SO2 gas; (c) separation of the SO2 gas; (d) utilization of SO2 gas from step (c) to generate H2 gas and H2SO4 via a SO2-depolarized electrolyzer (SDE) process or a sulfur-iodine-cycle (S-I-cycle) process.
Resumen de: AU2024222987A1
A system, comprising: an electrolyzer having a plurality of electrolysis cells arranged in a cell stack, wherein the electrolysis cells are electrically connected in series and grouped into two or more cell groups, each cell group having an electrical contact at either end; an electrical circuit having one or more switches, each switch coupled between the electrical contacts of a respective one of the cell groups and configured to selectively disconnect the cell group from the cell stack by electrically bypassing the cell group via a lower resistance path, to thereby vary the number of active electrolysis cells in the cell stack; and a controller configured to determine the number of active electrolysis cells based on a variable amount of direct current (DC) electrical energy supplied to the cell stack by an electrical energy source, and to control the one or more switches based on the determination.
Resumen de: CN120882907A
A system and method for generating hydrogen from a liquid source comprising water is disclosed. The system comprises: a high fluid velocity electrolysis cell comprising an inlet and an outlet, the inlet of the high fluid velocity electrolysis cell being fluidly connected to a liquid source; and a gas fractionation system fluidly connected to the outlet of the high fluid velocity electrolysis cell.
Resumen de: EP4667624A1
An electrode catalyst layer 2 includes catalyst particles 12, an ionomer 13, and ionomer-adsorptive carbon fibers 14α. The ionomer-adsorptive carbon fibers 14α may have an adsorption amount of the ionomer of 10 mg or more per 1 g of the ionomer-adsorptive carbon fibers, may have a diameter in a range of 50 nm or more and 1 µm or less, and may be vapor-grown carbon fibers (VGCF) subjected to hydrophilic treatment.
Resumen de: EP4667623A1
This hydrogen production system comprises: a solid oxide electrolysis cell (SOEC) that electrolyzes water vapor; a water vapor generation device that heats supply water to generate water vapor; and a combustor that partially burns hydrogen included in water vapor discharged from a hydrogen electrode of the SOEC. The water vapor generation device is configured such that the supply water is at least partially heated through heat exchange between at least part of the supply water and gas including combustion gas generated in the combustor so as to produce at least part of the water vapor.
Resumen de: AU2024221020A1
The invention comprises a method for connecting a pair of electrolyser stacks with electrolyte, electric current and gas drain piping. Accordingly, each pair of stacks of the electrolyser: - through interconnection endplates are supplied with alkaline electrolyte at elevated pressure by common electrolyte supply pipes and further, - through the interconnection endplate drain off oxygen gas containing electrolyte, and hydrogen gas containing electrolyte, to common gas separation vessels for oxygen and hydrogen respectively, - pull first electrically interconnected current injection electrodes adjacent to interconnection endplates to zero electrical potential through a zero potential conductor, and - supply second current injection electrodes placed adjacent to distal endplates with electric current at potentials equally higher and lower respectively than the zero potential at the first electrodes.
Resumen de: AU2024291248A1
The present invention refers to an electrolyzer (1) for the production of hydrogen from an alkaline electrolyte. The electrolyzer (1) comprises a first header (11) and a second header (12) between which a plurality of elementary cells (20) and a plurality of bipolar plates (5, 5', 5'') are stacked. Each bipolar plate (5) separates two adjacent elementary cells. According to the invention, each of said bipolar plates (5, 5',5'') comprises two plate-form components (5A, 5B) coupled together and configured so as to define one or more inner cavities (66) for the circulation of a cooling fluid. Furthermore, each bipolar plate (5, 5', 5'') comprises an inlet section (SI) and an outlet section (SV) respectively for the inlet and outlet of said cooling fluid in said one or more inner cavities (66).
Resumen de: AU2023401179A1
Electrolyser stack and production unit is provided, in which the electrolyser stack (1,2,3,4,5,6) comprise endplates (11) and pull rods (18) extending between the endplates (11). Feet (9,10) are arranged at the endplates (11) whereby each foot (11) comprises a downwardly directed support surface arranged to abut onto a production track (7,8) or handling unit track (12) whereby the production tracks (7,8) are arranged to extend in parallel with the length axis of the electrolyser stack and whereby the electrolyser stack is movable along the production track by sliding the feet (9,10) along upward facing horizontal slide tracks (17) of the production track
Resumen de: JP2025185691A
【課題】ＣＯ２発生源から排出されるＣＯ２をコスト及びエネルギーを抑えながら簡易に搬送できる、ギ酸水溶液を利用したＣＯ２搬送システムを提供する。【解決手段】本発明に係る、ギ酸水溶液を利用したＣＯ２搬送システムは、ＣＯ２発生源から発生するＣＯ２を原料としてギ酸を製造するギ酸製造部を少なくとも１つ含む複数のギ酸製造部において製造された、ギ酸を８５ｗｔ％未満の割合で含むギ酸水溶液を、前記ギ酸を分解してＣＯ２及び水素を生成する分解部に搬送する搬送手段を有し、前記搬送手段は、前記複数のギ酸製造部で製造された前記ギ酸水溶液を前記分解部に集める。【選択図】図１
Resumen de: FR3163385A1
L’invention concerne une installation (2) comprenant un dispositif électrochimique (4) de production de dihydrogène, et un dispositif de refroidissement (6) comportant : une unité de refroidissement (32) d’un fluide caloporteur (30) ;un échangeur thermique (34) configuré pour assurer un échange de chaleur entre le fluide caloporteur (30) et au moins une partie du dispositif électrochimique (4) ;un réservoir de découplage (36) fluidiquement connecté entre l’unité de refroidissement (32) et l’échangeur thermique (34) ;une unité (26) de stockage d’énergie électrique ;au moins une pompe électrique (37) configurée faire circuler le fluide caloporteur (30) entre le réservoir de découplage (36) et l’échangeur thermique (34) ; et une unité de commande (28) configurée pour, en cas de détection d’une situation de défaut d’alimentation de l’unité de refroidissement (32), commander l’alimentation électrique de chaque pompe électrique (37) par l’unité (26) de stockage d’énergie électrique. Figure 1
Resumen de: WO2024240539A1
The invention discloses a gas generator (20) for a tool comprising an electrolytic cell (30) for producing oxyhydrogen gas with a hollow cell body (31) and an electrode pair (32) with a first electrode (33) and a second electrode (35). Said first electrode (33) and said second electrode (35) are separated by a non-conductive separator (37) in said hollow cell body (31). A gas extraction tube (55) is arranged in the hollow cell body (31). Furthermore, said invention disclose a usage of such a gas generator in a tool and a tool with such a gas generator.
Resumen de: AU2024221020A1
The invention comprises a method for connecting a pair of electrolyser stacks with electrolyte, electric current and gas drain piping. Accordingly, each pair of stacks of the electrolyser: - through interconnection endplates are supplied with alkaline electrolyte at elevated pressure by common electrolyte supply pipes and further, - through the interconnection endplate drain off oxygen gas containing electrolyte, and hydrogen gas containing electrolyte, to common gas separation vessels for oxygen and hydrogen respectively, - pull first electrically interconnected current injection electrodes adjacent to interconnection endplates to zero electrical potential through a zero potential conductor, and - supply second current injection electrodes placed adjacent to distal endplates with electric current at potentials equally higher and lower respectively than the zero potential at the first electrodes.
Resumen de: WO2025257827A1
An electrolyzer includes a plurality of vertically stacked electrolysis cells, with one or more electrolyte supply tubes adjacent to said plurality of electrolysis cells and having a plurality of fluid outlets configured to discharge an electrolyte solution from said one or more electrolyte supply tubes to each of said plurality of electrolysis cells. Each of the cells is provided with one or more drain assemblies, each drain assembly comprising a drain basin equipped, with a drain valve, such that some or all drain valves in a given set of assemblies are engaged by a. common control member configured and operable to actuate each of the drain valves between a closed and an open position. A plurality of electrodes is connectable to one or more electrical power sources and configured to pass electric current through the electrolyte solution introduced into said electrolysis cells via said outlets.
Resumen de: WO2025258984A1
The present invention relates to a catalyst for an ammonia decomposition reaction, a method for preparing same, and a method for producing hydrogen by using same, and more particularly, to: a catalyst for an ammonia decomposition reaction, wherein at least one selected from ruthenium, nickel, cobalt, and iron is supported as a catalytically active species on an alumina catalyst support including a metal oxide layer containing at least one metal element selected from the group consisting of magnesium (Mg), yttrium (Y), and praseodymium (Pr), and thus the catalytic activity for the ammonia decomposition reaction can be improved even when using a smaller amount of a catalytically active species as compared to conventional catalysts, and the catalyst for an ammonia decomposition reaction is thermally stable and exhibits superior catalytic activity to conventional metal oxide catalysts, even at lower temperatures, and thus can improve ammonia conversion rates; a method for preparing same; and a method for producing hydrogen by using same.
Resumen de: AU2024265029A1
A system and method for transporting and distributing hydrogen, reducing the risk of hydrogen leakage, maintaining a record of provenance, and measuring and recording its purity level as it flows from source to destination to assure it complies with a predetermined range of values. The system includes a hydrogen delivery line made from metallic or non-metallic pipe that may be placed inside a safety pipe such that a channel is formed between an exterior of the hydrogen delivery line and an interior of the safety pipe. A sweeper gas or liquid may be injected into the channel to purge any hydrogen that might escape from the hydrogen delivery line, and one or more sensors may be used to detect and avoid the presence of an unacceptable level of hydrogen, or to stop the flow of hydrogen and remediate the problem well before a safety or environmental risk can occur.
Resumen de: WO2025257571A1
The present invention provides an ion-conducting membrane comprising: (a) an ion-conducting polymer; and (b) a hydrogen radical scavenger.
Nº publicación: WO2025256864A1 18/12/2025
Solicitante:
SIEMENS ENERGY GLOBAL GMBH & CO KG [DE]
SIEMENS ENERGY GLOBAL GMBH & CO. KG
Resumen de: WO2025256864A1
The invention relates to an electrolysis cell (12) for electrochemically separating water into hydrogen and oxygen, comprising: - an anode-side half-cell (16) for providing the oxygen, - a cathode-side half-cell (18) for providing the hydrogen, and - a separator element (20) between the anode-side half-cell (16) and the cathode-side half-cell (18). According to the invention, the electrolysis cell (12) has - a frame unit (10) having an anode-side frame part (22), on which the anode-side half-cell (16) is provided, and a separate cathode-side frame part (24), on which the cathode-side half-cell (18) is provided, and - at least one first sealing element (26), which is provided between the anode-side frame part (22) and the cathode-side frame part (24).
BOPI
Sede Electrónica
