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Resultados 75 a 100 de 634
Resumen de: JP2025064156A
【課題】水電解装置の性能を安定化しやすい水素製造設備及び水素製造方法を提供する。【解決手段】水素製造設備は、水を電気分解するための電解槽を含む水電解装置と、海水を淡水化するための海水淡水化装置と、前記海水淡水化装置で生成された純水を補給純水として前記水電解装置に供給するための純水ラインと、前記水電解装置に冷却水としての海水を供給するための冷却水供給ラインと、前記水電解装置を冷却した後の前記冷却水としての前記海水が流れる冷却水戻りラインと、前記冷却水戻りラインを流れる前記海水の少なくとも一部を補給海水として前記海水淡水化装置に供給するための第１供給部と、を備える。【選択図】図１
Resumen de: JP2025064535A
【課題】本発明では、光触媒活性の高い新規な光触媒材料を提供する。【解決手段】本発明の酸化タングステン光触媒は、ＸＲＤで測定したときに２２．５°～２３．４５°の範囲の最大ピークの半価幅δが、０．３５以下であり、かつＬ＊ａ＊ｂ＊色空間におけるａ＊値、及びｂ＊値が、以下の関係を満足する：ａ＊≦－９．５ｂ＊≧２．２ａ＊＋５４。【選択図】なし
Resumen de: 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.
Resumen de: 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.
Resumen de: WO2025078333A1
The present invention relates to an electrode (100) for electrolysis of electrolyte, said electrode comprising: first porous layer (102) permeable to electrolyte and gases produced by the decomposition of electrolyte; a second porous layer (104) permeable to electrolyte and gases produced by the decomposition of electrolyte, said second porous layer (104) being arranged adjacent to the first porous layer (102), wherein the first porous layer (102) comprises Nickel.
Resumen de: 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.
Resumen de: 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.
Resumen de: GB2634522A
An electrode (100) for electrolysis, said electrode comprising: a first porous layer (102) permeable to electrolyte and gases produced by the decomposition of electrolyte and a second porous layer (104) permeable to electrolyte and gases produced by the decomposition of electrolyte. The second porous layer is located adjacent to the first porous layer (102), and the first porous layer (102) comprises nickel. Metal swarf may be used as the basis for both porous electrodes through a sintering method. The second porous layer (104) may comprise titanium. The electrode (100) may comprise a flow through electrode for the electrolysis of water.
Resumen de: 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.
Resumen de: 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.
Resumen de: WO2025074991A1
Provided is a control device including: a step in which a current command value regarding current to be applied to an electrolytic stack is determined; and a step in which pure-water adjustment amount command values for adjusting the pressure or/and flow rate of water to be supplied to the electrolytic stack are determined on the basis of the current command value. The control device further includes a step A in which, when the current command value is changed from a first current command value (current command value c1) to a second current command value (current command value c2), which is a different value, and the pure-water adjustment amount command value is changed from a first pure-water adjustment amount command value (pure-water adjustment amount command value w1) to a second pure-water adjustment amount command value (pure-water adjustment amount command value w2), which is a different value, measured values of the pressure or/and flow rate are caused to reach the second pure-water adjustment amount command value from the first pure-water adjustment amount command value before a measured value of current applied from a power converter to the electrolytic stack reaches the second current command value from the first current command value.
Resumen de: AU2025200458A1
The present disclosure relates to electrode compositions, in particular electrode compositions comprising hybrid electrode particles, which can be used in solid oxide electrochemical cells. The present disclosure also relates to processes for preparing hybrid electrode particles. The present disclosure also relates to electrodes, including sintered electrodes, comprising the electrode CA compositions, and to solid oxide electrochemical cells comprising the electrode compositions.
Resumen de: CN119325526A
Disclosed is an electrical energy or electrosynthesis cell, the electrical energy or electrosynthesis cell comprising: a cathode; an anode; and an electrode separator positioned between the cathode and the anode. The liquid electrolyte inlet supplies a liquid electrolyte to the cell and the liquid electrolyte outlet removes the liquid electrolyte from the cell. The liquid electrolyte outlet includes an overflow weir across or through which excess liquid electrolyte flows out of the cell. In another form, one or more instillators are included as part of a liquid electrolyte inlet and/or a liquid electrolyte outlet, and an instillation chamber is positioned below the instillators. In another form, one or more porous capillary structures are located in a liquid passage in the cell (e.g., in a liquid passage provided by an overflow weir) or positioned adjacent the instillator. In another form, one or more current limiters are utilized that create a pressure drop in the liquid electrolyte passing through the current limiter.
Resumen de: JP2025063577A
【課題】無機粒子の脱落を抑制することができるアルカリ水電解用隔膜を提供する。【解決手段】多孔性支持体と、該多孔性支持体の片側又は両面の主面に設けられ、無機粒子及び有機樹脂を含む多孔膜と、を備えるアルカリ水電解用隔膜であって、更に、該多孔性支持体と該多孔膜とからなる本体層の厚さ方向の片側又は両側に設けられ、酸基を有するポリマーを含む被覆層を備えることを特徴とするアルカリ水電解用隔膜。【選択図】なし
Resumen de: CN119233941A
A process for cracking ammonia to form hydrogen is described, the process comprising the steps of: (i) passing the ammonia through one or more catalyst-containing tubes in a furnace to crack the ammonia and form hydrogen wherein the one or more tubes are heated by combustion of a fuel gas mixture to form a flue gas containing nitrogen oxides, the invention relates to a method for producing ammonium nitrate from flue gas, comprising the steps of (i) cooling the flue gas to a temperature below 170 DEG C, where yH2O is mole% of steam in the flue gas, P * H2O is the equilibrium vapor pressure of water in an aqueous ammonium nitrate solution, and p is the minimum operating pressure of the flue gas, and (ii) cooling the flue gas to a temperature below 170 DEG C. # imgabs0 #
Resumen de: 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).
Resumen de: US2025066932A1
The present disclosure provides a functional (photovoltaic) PV powered facilitated Water electrolyzer system for solar hydrogen generation having two components: a functional PV panel and a facilitated water electrolyzer. The present invention provides functional PV powered facilitated water electrolyzer (F-PV-WE) systems. The invention provides a process using integrated functional PV with facilitated water electrolysis for multiproduct generation including hydrogen, oxygen and hypochlorite with reduction in energy and environmental footprint.
Resumen de: CN118786169A
The invention relates to a method for preparing a separator (M) containing a sulfonated polyarylene sulfone polymer (sP), to the separator (M) obtained by the method according to the invention, to a fuel cell, to an electrodialysis cell and to an electrolytic cell comprising the separator (M), to the use of the separator (M) in an electrolytic cell, to an electrodialysis cell or to a fuel cell, and to a method for preparing electrical energy and/or hydrogen.
Resumen de: US2025011946A1
Disclosed are a carbon dioxide capturing method and a carbon dioxide capturing system for co-producing of carbon monoxide and hydrogen. The method includes: capturing, by an alkaline solution, carbon dioxide in a target component, to obtain an aqueous solution containing a carbonate; performing, on the aqueous solution containing the carbonate, a first electrolytic process, to obtain a first aqueous solution containing a bicarbonate and hydrogen; and performing, on the first aqueous solution containing the bicarbonate in the presence of a catalyst, a second electrolytic process, to obtain the carbon monoxide and the hydrogen, where the catalyst is selected as at least one component from a group consisting of an elementary substance of metal, alloy and compound of group VIII, group IB, group IIB, group IVA and lanthanide.
Resumen de: CN118871621A
Disclosed are electrolysis technique and system embodiments comprising: a plurality of reactors, each reactor comprising an electrolysis electrode and configured to perform a sequence of stages of an electrolysis process, the sequence of stages having a stage offset relative to a sequence of stages of an electrolysis process performed by at least another reactor of the plurality of reactors; one or more power sources for driving the electrolysis process performed by the plurality of reactors; and a control system configured to monitor a change in power capacity of at least one of the one or more power sources and perform at least one of (i) activating or deactivating one or more of the electrolysis processes performed by the plurality of reactors based on the change in power capacity, (ii) adjusting the duration of at least one of the stages of the electrolysis process; (iii) adjusting the power supplied from the one or more power sources to at least one of the plurality of reactors; and/or (iv) adjusting, removing or introducing at least one stage of the electrolysis process.
Resumen de: CN119137311A
Disclosed herein are methods and systems related to the use of electrolysis to enhance synthesis gas production. Methods disclosed herein include harvesting a volume of carbon monoxide from a syngas production system operated using a volume of natural gas, feeding the volume of carbon monoxide to a cathode region of an electrolyzer, and generating a volume of the generated chemical using the volume of carbon monoxide and the electrolyzer. The volume of the generated chemical is at least one of a volume of a hydrocarbon, a volume of an olefin, a volume of an organic acid, a volume of an alcohol, and a volume of an N-rich organic compound.
Resumen de: 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.
Resumen de: 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.
Resumen de: 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: BE1031991A1 10/04/2025
Solicitante:
JOHN COCKERILL HYDROGEN BELGIUM [BE]
JOHN COCKERILL HYDROGEN BELGIUM
Resumen de: BE1031991A1
L’invention propose un système et un procédé de régulation du fonctionnement des séparateurs gaz-liquide (GLSan, GLSca) d’un électrolyseur comprenant une pile (10), des séparateurs gaz-liquide anodique et cathodique séparant l’électrolyte et le gaz le long d’un niveau de lessive (lan,lca), le gaz de dioxygène et de dihydrogène s’écoulant de leur chambre respective à travers une vanne de commande de gaz (Van, Vca), caractérisée en ce que la régulation utilise des données de commande représentatives de la pression de gaz anodique (pan) ; la pression de gaz cathodique (pan) ; le niveau de lessive anodique (Ian) ; le niveau de lessive cathodique (Ica) ; pour commander chacune des deux vannes de commande de gaz (Van, Vca) et chacun desdits capteurs permettant d’envoyer des signaux de fonctionnement aux deux vannes de commande de gaz (Van, Vca) pour réguler les pressions de gaz (pan,pca) et les niveaux de lessive (lan,lca) dans le séparateur gaz-liquide anodique (GLSan) et le séparateur gaz-liquide cathodique, (GLSca).
BOPI
Sede Electrónica
