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953
resultados
Última actualización
20/12/2024 [09:16:00]
Resultados 50 a 75 de 953
Resumen de: WO2023147820A2
The invention relates to a process for producing a graphite-containing metal oxide electrode, having the following steps: a) providing (1) an electrolysis cell (10) having an electrode (11), a further electrode (12) and an aqueous and/or nonaqueous carbonyl- and cyano-free solvent (14), b) introducing (2) black matter (15) and a proton source into the solvent (14) present in the electrolysis cell (10), where the black matter (15) includes graphite-supported precious metal-free metal oxides, and c) applying (3) a voltage to the electrode (11) and the further electrode (12), such that the precious metal-free metal oxides and graphite provided by means of the black matter (15) are deposited on the electrode (11) in order to produce a graphite-containing metal oxide coating (17) on the electrode (11) for formation of the graphite-containing metal oxide electrode. The invention further relates to a graphite-containing metal oxide electrode produced by the process. The invention further relates to use of the graphite-containing metal oxide electrode for production of hydrogen and/or oxygen by means of (photo)electrochemical water splitting and to an electrolysis cell (20) for production of hydrogen and oxygen by means of (photo)electrochemical water splitting, including the graphite-containing metal oxide electrode as cathode (22) and/or the graphite-containing metal oxide electrode as anode (21).
Resumen de: AU2023215814A1
A catalyst coated membrane for a water electrolyser, the catalyst coated membrane comprising: an ionomer membrane having a first surface and a second surface; an anode catalyst layer on the first surface of the ionomer membrane; and a cathode catalyst layer on the second surface of the ionomer membrane, wherein the ionomer membrane comprises reinforcement material, and wherein the reinforcement material is distributed asymmetrically relative to a central plane of the ionomer membrane such that its average location is closer to the anode catalyst layer than the cathode catalyst layer.
Resumen de: EP4474527A1
A hydrogen generation system and method which is configured to provide hydrogen gas to a thermal machine (7) and which comprises a main tank (1) containing an electrolyte solution comprising distilled water and basic alkaline catalyst connected to an electrolytic cell (6) associated with a pulsed direct current electrical power supply (8) configured to cause electrolysis of the water comprising the electrolyte contained in said electrolytic cell upon passage of an electrical current, the electrolytic cell (6) being connected to the main tank (1) by means of a plurality of conduits configured to allow the recirculation of the electrolyte and the hydrogen gas generated.
Resumen de: WO2023148477A1
A well (1) is drilled or exists that passes through the earth's surface (2) and underlying rocks (3) to connect with a subterranean hydrocarbon reservoir 4 that contains hydrocarbons (5) and commonly brine 6 (which can include formation, interstitial, connate and injected water). Well (1), (there may be a plurality of well 1's) allows the contents of reservoir (4), either hydrocarbons (5) or brine (6), to flow to the surface.
Resumen de: EP4474528A2
A carbon dioxide electrolytic device of an embodiment includes: an electrolysis cell that includes a cathode, an anode, a cathode flow path, an anode flow path, and a separator; a carbon dioxide supply unit; an electrolytic solution supply unit; an electrolytic solution external flow path including a first pipe connecting the electrolytic solution supply unit to a first opening provided on one end side of the anode flow path, a second pipe connected to a second opening provided on the other end side of the anode flow path, and a third pipe connecting the electrolytic solution supply unit to the second opening of the anode flow path; and an electrolytic solution switching mechanism switching between a first flow in which the electrolytic solution flows from the first opening toward the second opening and a second flow in which the electrolytic solution flows from the second opening toward the first opening.
Resumen de: EP4474530A1
There is provided a method for producing an electrolysis electrode having excellent catalytic activity such as low oxygen overpotential and including a catalyst having excellent stability such as reducing loss of a catalyst component such as iridium (Ir). The method for producing an electrolysis electrode includes a step of coating a catalyst precursor composition containing an iridium component and the like on a surface of an electrically conductive substrate, a step of obtaining a primary baked product by thermal treating the electrically conductive substrate coated with the catalyst precursor composition, and a step of forming a catalyst layer containing an iridium oxide on the surface of the electrically conductive substrate by thermal treating the primary baked product, wherein the iridium component is an iridium compound containing a carboxy group, and the content of nickel (Ni) is 10 to 35% by mass, the content of cobalt (Co) is 25 to 55% by mass, and the content of iridium (Ir) is 15 to 55% by mass in the catalyst precursor composition, provided that Ni + Co + Ir = 100% by mass.
Resumen de: EP4474728A2
A geothermal plant (1600, 1700, 1800, 2000), for extracting energy from a geothermal reservoir (1230) located below the ocean bottom, includes a floating platform (1202); a riser (1240) that extends from a well (1208) drilled into the geothermal reservoir (1230), to the floating platform (1202); an electrical pump (1260) having a mechanical actuation part (1264) located in a bore of the riser (1240), and an electronic part (1266) located outside the riser, wherein the electrical pump (1260) is configured to pump a geothermal liquid (1226) from the geothermal reservoir (1230) to the floating platform (1202); and a power plant (1210) located on the floating platform (1202) and configured to use a steam (1222) produced by the geothermal liquid (1226) to generate electrical power. The electrical pump (1260) is placed at a depth of the riser (1240) where the geothermal liquid (1226) is in a single-phase.
Resumen de: AU2023215306A1
An electrolyzer system comprises a stack of one or more electrolyzer cells, each electrolyzer cell comprising first and second half cells respectively comprising first and second electrodes and a separator between the first half cell and the second half cell, wherein a current is applied between the first and second electrodes. The system further comprises first and second electrolyte feed streams for respectively feeding a first electrolyte solution at a first inlet temperature to the first half cells and a second electrolyte solution at a second inlet temperature to the second half cells, first and second electrolyte outlet streams for respectively withdrawing the first and second electrolyte solutions from the first half cells and second half cells, and a temperature control apparatus to control the first inlet temperature at a first specified temperature and to control the second inlet temperature at a second specified temperature.
Resumen de: AU2023215305A1
An electrolyzer cell comprises a first half cell comprising a housing at least partially enclosing a cell interior, a first electrode coated with a first catalyst coating, wherein the first electrode is coupled to the housing in the cell interior without welding, a second electrode coupled to the housing in the cell interior without welding, and a separator positioned between the first electrode and the second electrode, wherein a voltage is applied between the first electrode and the second electrode.
Resumen de: MX2024009613A
The following disclosure relates to electrochemical or electrolysis cells and components thereof. More specifically, the following disclosure relates methods and systems for removing metal ions from a membrane of an electrochemical cell by introduction of a cleaning composition (e.g., an acidic composition) into a water supply to the electrochemical cell. These systems and methods for removal of metal ions from the membrane(s) of the electrochemical cell(s) may advantageously extend the efficiency and service life of the electrochemical cell or stack.
Resumen de: AU2023216667A1
The present disclosure provides methods and apparatuses of producing hydrogen. The methods comprise: (a) contacting a plastic with a catalyst and a gas feed; and (b) applying a microwave at a first temperature. The apparatuses comprise: a reactor for mixing plastic with a catalyst to form a mixture; an inlet for introducing a gas feed; a microwave generator; an optional temperature sensor; and an outlet configured to exhaust the product hydrogen formed in the reactor.
Resumen de: US2024343981A1
A process for the production of sustainable aviation fuel (SAF) with low carbon intensity. The jet fuel is produced from the reaction of hydrogen from the electrolysis of water with captured carbon dioxide. The hydrogen and carbon dioxide are reacted to product a stream comprising carbon monoxide. Hydrogen and carbon monoxide are reacted to produce n-alkanes. Alkanes are hydroisomerized to produce sustainable aviation fuel with low carbon intensity.
Resumen de: WO2023144802A1
An electrolytic cell (1) for the electrolysis of a water solution comprising two half-elements (2, 3) each of which comprises a respective electrode comprising a metal sheet (10) connected to a voltage generator and housed in an electrolysis chamber (C) defined between the two half-elements (2, 3), and means (4) for the continuous recirculation of the water solution inside the electrolysis chamber (C). In each of the metal sheets (10) there are obtained (i) a plurality of electrolysis openings (11) having side walls defining sole active electrolysis surfaces and designed to allow a water solution to flow from a front surface (10a) to a rear surface (10b) of the metal sheet (10) and (ii) a plurality of vertical slits (12) for a water solution to flow from the rear surface (10b) to the front surface (10a) of the metal sheet (10). Each of the electrodes comprises a hydraulic resistance structure designed to realize a pressure loss ranging from 1.5 Pa to 10 Pa in the passage of a water solution from the front surface (10a) to the rear surface (10b) of the metal sheet (10).
Resumen de: MX2024009545A
Ammonia synthesis process and plant comprising an ammonia synthesis converter and a downstream ammonia cooling system, wherein the ammonia synthesis converter is arranged to receive an ammonia synthesis gas comprising hydrogen and nitrogen and to produce an ammonia product gas stream and an off-gas ammonia stream; said ammonia cooling system comprising: - an ammonia evaporator for evaporating an ammonia liquid stream and generating an ammonia vapor stream; - an off-gas cleaning unit for cleaning said off-gas ammonia stream under the addition of water as a scrubbing agent, generating a water stream and an ammonia depleted off-gas stream; - an absorption cooling unit comprising water for cooling said ammonia vapor stream and collecting a condensed ammonia-water stream; - a regeneration unit for generating from said condensed ammonia-water stream: a purified water stream, said ammonia liquid stream, and an overhead ammonia gas stream.
Resumen de: EP4474614A1
A water collecting device includes an ice-wall forming part configured to heat the ground to form an ice wall with ice that includes moisture in the ground, and a water collecting part configured to recover a first gas within a region surrounded by the ice wall and collect water from the recovered first gas.
Resumen de: AU2024203129A1
Abstract The present invention relates to an electrochemical cell (0) comprising an anode (1), a cathode (2) and an anion-conducting membrane (3) arranged between anode (1) and cathode (2). It also relates to the use of the electrochemical cell (0) in a process for producing hydrogen (H2) and oxygen (02) by electrochemical splitting of water (H20). The invention additionally relates to an electrolyser (6) having a multitude of cells (0) and to a process for producing the electrolyser (6). It is an object of the present invention to specify an electrochemical cell (0) with which an AEM water electrolysis can be carried out on an industrial scale. The cell should give rise to low production costs, build in a space-saving manner and permit energy-efficient production of hydrogen and oxygen in large amounts. The object is achieved by the anode being partly or entirely executed as a first porous sintered body (1) comprising grains that are fused together at their grain boundaries, and by the first porous sintered body being in direct contact with the membrane (3). Figure 1a relating to the abstract I I lit I I I I I I I C*-4
Resumen de: CN118266105A
The invention relates to the production of electrochemically active layered bodies, in particular electrochemically active layered bodies obtained by such a production method, and to an electrochemical cell comprising at least one such layered body. The invention also relates to a dispersion for producing a layered body. The problem addressed by the invention is that of producing alternative ionomers that can be used to produce electrochemically active lamellas. The present invention is based on the concept of processing ionomers in dispersions and using the dispersions to produce catalytically active layered bodies for electrochemical cells.
Resumen de: AU2022407314A1
Methods for producing hydrogen from ammonia are described. The methods involve the use of a two-stage hydrogen PSA configuration. The effluent stream from the ammonia cracking reaction zone is sent to the first hydrogen PSA unit where it is separated into a high purity, high-pressure hydrogen stream and a low-pressure tail gas stream. The high-pressure hydrogen stream can be recovered. The low-pressure tail gas stream is compressed and sent to the second hydrogen PSA unit where it is separated into a second high-pressure stream and a second low-pressure tail gas stream. The second high-pressure hydrogen stream can be recycled to the first hydrogen PSA unit for further separation.
Resumen de: FR3149327A1
Le présent exposé concerne un procédé de production d’hydrogène et d’oxygène, le procédé comprenant :- une génération (E1), par un électrolyseur (14), d’un produit (13a, 13b) par une électrolyse de l’eau, le produit (13a, 13b) comprenant de l’hydrogène et de l’oxygène, une concentration en volume de l’hydrogène ou de l’oxygène du produit (13a, 13b) étant supérieure ou égale à 95% d’un volume du produit (13a, 13b) ; et- un chauffage (E2) du produit (13a, 13b), par un échangeur de chaleur (151) distinct de l’électrolyseur (14), par un transfert d’une énergie thermique dissipée par l’électrolyse,le chauffage ayant lieu en aval de la génération en référence à un flux du produit (13a, 13b) depuis la génération vers le chauffage. Figure de l’abrégé : Fig. 6
Resumen de: WO2024180939A1
A hydrogen production system according to the present invention comprises: a solid oxide electrolysis cell (SOEC) that electrolyzes water vapor; a water vapor supply line for supplying water vapor to a hydrogen electrode of the SOEC; a water vapor discharge line through which water vapor discharged from the hydrogen electrode circulates; a first bypass line that communicates the water vapor supply line with the water vapor discharge line; and a first regulation device for regulating the flow rate of water vapor circulating through the first bypass line.
Resumen de: AU2023266684A1
The invention relates to a method for producing methanol via a synthesis gas produced by combining electrolysis of a water feedstock for producing a stream comprising hydrogen, and electrolysis of carbon dioxide rich stream for producing a stream comprising CO and CO
Resumen de: AU2023234559A1
The invention relates to a method for operating an electrolysis plant (1, 20), comprising an electrolyser (11) for generating hydrogen (H2) and oxygen (O2) as product gases, with water being supplied as starting material and being split at a proton-permeable membrane into hydrogen (H2) and oxygen (O2), a product gas stream (5) being formed in a phase mixture comprising water (H2O) and a relevant product gas, and a product gas stream being supplied to a gas separator (3, 13) arranged downstream of the electrolyser (11), characterised in that the fluoride release of the membrane is determined on the basis of the operating time, the temporal progression of the fluoride concentration being ascertained, with a measure for the operation-induced degradation of the proton-permeable membrane being ascertained as the result of a release of fluoride. The invention furthermore relates to a corresponding electrolysis plant (1, 20) and to a measuring device for carrying out the method.
Resumen de: JP2024169165A
【課題】簡易な構成により、待機時においてスタックを適切に保温する。【解決手段】電解システムは、電解動作と発電動作とが可能な可逆作動固体酸化物形セルにより構成される複数のスタックと、断熱性を有し複数のスタックを収容するケースと、複数のスタックの各燃料極を直列に接続する燃料極用流路と、複数のスタックの各酸素極を直列に接続する酸素極用流路と、複数のスタックに対して個別に直流電力を授受可能な電力授受部と、通常運転時には複数のスタックのうちの全てで電解動作を実行するように電力授受部を制御し、待機時には複数のスタックのうちの一部のスタックで電解動作を実行すると共に残余のスタックで発電動作を実行するように電力授受部を制御する制御部と、を備える。【選択図】図１
Resumen de: US2024401219A1
An multi-stage electrolyzer cell is disclosed. The multi-stage electrolyzer cell comprises an anode, a cathode and at least one ion exchange membrane separating the anode and the cathode. The anode and cathode are exposed in the respective anode chamber and cathode chamber. At least one partition is arranged within at least one of the anode and cathode chambers, dividing the at least one chamber into a plurality of process stages. Each of the partitions comprises a feed port, allowing an electrolyte solution to transport sequentially through each of the plurality of process stages. Means are arranged to transport the electrolyte solution through each one of the plurality of process stages. A multi-stage electrolytic method is also disclosed.
Nº publicación: JP2024544848A 05/12/2024
Solicitante:
インフィニウムテクノロジー，エルエルシー
Resumen de: MX2024005764A
Provided herein are systems and methods for controlling production of low-carbon liquid fuels and chemicals. In an aspect, provided herein is a method controlling a process that produces e-fuels. In another aspect, provided herein is a system for producing an e-fuel from constituent ingredients H2 and CO2, with H2 produced via electrolysis powered by renewable electrical energy.
BOPI
Sede Electrónica
