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1088
resultados
Última actualización
24/08/2026 [07:24:00]
Resultados 75 a 100 de 1088
Resumen de: WO2025012373A1
The invention relates to porous oxidic materials, which contain niobium and/or the heavy homolog thereof, tantalium, of oxidation number +5, and to the use thereof. The invention also relates to iridium-containing (electro-)catalysts, which comprise a porous oxidic group 5 element material, in particular a porous oxidic niobium(V)- and/or tantalium(V)-containing material. The invention further relates to the use of (electro-)catalysts of this type.
Resumen de: EP4790015A1
0001 Die vorliegende Erfindung betrifft ein Verfahren zur Gewinnung von atomarem Wasserstoff aus einem Rohgas. Weiterhin wird atomarer Wasserstoff, erhältlich gemäß dem erfindungsgemäßen Verfahren bereitgestellt. Schließlich ist die vorliegende Erfindung auf ein Verfahren zur Herstellung von elementarem Metall aus einem Metalloxid mit Hilfe von atomarem Wasserstoff gerichtet.
Resumen de: WO2025080121A2
The present invention discloses an electrolyser for water splitting in hydrogen/oxygen production and methods thereof. The electrolyser comprises a first electrode plate (100) coated with a first catalyst comprising a first ion transfer opening (101) formed therethrough along a first lateral axis of the first electrode plate (100); a second electrode plate (200) coated with a second catalyst comprising a second ion transfer opening (201) formed therethrough along a second lateral axis of the second electrode plate (200); and an electrically insulative adhesive layer (300) configured for securing together the first electrode plate (100) and the second electrode plate (200) in a face-to-face manner or a back-to-face manner, forming separate compartments each for a hydrogen gas and an oxygen gas resulting from the water splitting that provide immunity against any mixing of the hydrogen gas and the oxygen gas at any level of an electrical power supply.
Resumen de: EP4495290A1
0001 The present invention relates to an electrode comprising or consisting of an electrocatalyst, the electrocatalyst comprising a metal boride, wherein the metal boride comprises at least one element M1 selected from Ti, Zr and Hf, and at least one element M2 selected from Co, Ni, Ru, Rh, Pd, Ir and Pt; and the metal boride contains more than 10 atomic % of M2. The present invention also provides an electrode obtainable by subjecting the electrode to an electrocatalytic reaction. It also relates to an electrolyzer comprising said electrode. It is also concerned with a method for producing an electrode, and use of an electrode in an electrocatalytic reaction.
Resumen de: CN121666467A
The present invention relates to an electrolytic cell frame (100) configured to be integrated in an electrolytic cell. The frame forms a closed shape with an inner contour (InnCnt) defining an opening (Op) extending in an extension plane (ExtP1). The inner contour has at least two steps (St1, St2, St3, St4, St5, St6), each step comprising a first surface (S1) perpendicular to the extension plane and a second surface (S2) parallel to the extension plane. The respective second surfaces of two of the steps (St1, St3, St5) are configured to support two respective bipolar plates (BP-1, BP-21, BP-22).
Resumen de: PL451147A1
Przedmiotem zgłoszenia jest sposób wytwarzania wodorotlenku sodu z jednoczesnym magazynowaniem prekursora wodoru, który charakteryzuje się tym, że: w pierwszym etapie prowadzona jest elektroliza stopionego chlorku sodu w elektrolizerze stopionych soli (1) z ujęciem chloru, magazynowanego w zbiorniku chloru (2), zużywanego w innych procesach przemysłowych, a ciekły sód po schłodzeniu przechowywany jest w zestawie zbiorników sodu w postaci stałej (3), a w następnym etapie po zadysponowaniu wytworzenia partii wodorotlenku sodu i wodoru, zbiornik (3) podgrzewany jest do osiągnięcia stanu ciekłego sodu w zbiorniku (4), skąd ciekły sód trafia do reaktora reakcji metalicznego ciekłego sodu z wodą (5), zasilanego sodem i wodą ze zbiornika (6), skąd (5) wodór trafia do zbiornika wodoru (8), a wodorotlenek sodu do zbiornika wodorotlenku sodu (7), alternatywnie sód przechowywany jest w zbiorniku (zbiornikach) termosach ciekłego sodu, a elektrolizer stopionych soli (1) jak i zbiorniki sodu w postaci stałej (3), czy zbiornik termos ciekłego sodu (9) geograficznie usytuowany są w innej lokalizacji niż pozostałe instalacje wg sposobu, dodatkowo wprowadzony może być elektrolizer stopionego wodorotlenku sodu (10) zasilany ze zbiornika wodorotlenku sodu (7) z magazynowaniem ubocznych produktów - wodoru - w zbiorniku wodoru (8) i tlenu w zbiorniku tlenu (11).
Resumen de: WO2025002798A1
The invention relates to a reactor (2) for generating hydrogen and at least one other product from at least one reactant, the reactor comprising a tubular reactor vessel (4) which contains a catalyst (6) in the form of a ceramic bed. Improved corrosion resistance against a variety of media and thus an increased service life of the reactor (2) is achieved by forming the reactor vessel (4) from silicon-infiltrated silicon carbide (SiSiC).
Resumen de: WO2025127502A1
Provided according to exemplary embodiments of the present invention is an ammonia decomposition system capable of minimizing the generation of iron nitride, which is a by-product.
Resumen de: WO2025016560A1
The disclosure concerns a process of carbon oxides-free hydrogen production is disclosed. The process comprises the following steps: - heating a gas stream of a reacting compound including hydrogen atoms in absence of oxidizing agents, to thermally decompose the reacting compound into smaller product compounds, including hydrogen molecules, obtaining a stream of decomposition product compounds; - separating hydrogen molecules from other product compounds of the stream of decomposition product compounds; - reacting a portion of the stream of separated hydrogen molecules with a stream of an oxidizing agent, in particular oxygen or air, to obtain combustion product compounds, including steam and heat, in a stream of combustion product compounds; - providing heat obtained in the previous step to the step of heating the reacting compound; and wherein the process can comprise a step of - recovering energy from the stream of decomposition product compounds and/or from the stream of combustion product compounds. Additionally, a system of hydrogen production is also disclosed, the system being configured to operate according to the above process.
Resumen de: FR3171857A1
Cet abrégé résume l’invention en présentant brièvement son domaine technique, le problème technique à résoudre et la solution apportée. La présente invention propose un système novateur de production d'hydrogène qui exploite la chaleur d’un réacteur nucléaire de Génération IV couplé à des cycles thermochimiques (dont le cycle soufre–iode, calcium–brome, cuivre–chlore, etc.) et l’activation par neutrons libres. Cette combinaison permet d’atteindre une efficacité de conversion supérieure, une réduction des coûts et une production d'hydrogène vert à faible émission de CO₂, tout en offrant une solution évolutive pour l’industrie.
Resumen de: FR3171864A1
Cellule d’électrolyse Cellule d’électrolyse d’eau à membrane électrolytique polymère PEM pour la production d’hydrogène, comprenant une membrane d’échange protonique (11), un compartiment de cathode (7), un compartiment d’anode (9), une première plaque conductrice (30), une deuxième plaque (7) conductrice et un bâti (31) supportant la membrane d’échange protonique (11). Le compartiment de cathode (7) est délimité par la membrane d’échange protonique (11) et la première plaque conductrice (30). Le compartiment de cathode (7) est latéralement délimité par le bâti (31). Le bâti (31) est muni d’au moins deux premières ouvertures (43) communiquant chacune avec le compartiment de cathode (7) par un canal anodique (47) et au moins deux deuxièmes ouvertures (45) communiquant chacune avec le compartiment d’anode (9) par un canal cathodique (48). Les première et deuxième plaques conductrices (30) sont munies de premières et de deuxièmes ouvertures (37, 39) de plaques. Les ouvertures (37, 39) de la plaque conductrice (30) sont délimitées chacune par un bord de plaque. Le bâti (31) comprend une âme rigide (49) recouverte au moins en partie par une couche souple isolante (51). L’âme rigide (49) présente une épaisseur constante. La couche souple isolante (51) recouvre les bords des ouvertures (43, 45) du bâti (31). La couche souple isolante (51) présente au moins des premières surfaces et des deuxièmes surfaces. Les premières surf
Resumen de: US20260225903A1
0000 A system and method of producing ammonia comprises reacting a nitrogen feed gas and a hydrogen feed gas in a reactor to form ammonia, wherein the reaction produces a reaction mixture comprising ammonia gas, unreacted nitrogen and unreacted hydrogen, absorbing the ammonia from the reaction mixture in an absorber column containing an absorber, the absorber comprising a support and a metal halide, outputting the ammonia absorbed by the absorber, and recycling the unreacted nitrogen and unreacted hydrogen.
Resumen de: US20260225878A1
0000 A hydrogen production system utilizes Floquet-engineered photonic excitation and at least one dielectric laser excitation unit, including an Ava-assisted dielectric laser amplifier accelerator (AADLAA), under integrated quantum AI control. The system employs a multi-chamber architecture comprising a first dissociation chamber, a second dissociation chamber for partially processed effluent, and a purification and reinjection chamber. Catalyst-free water dissociation is achieved using synchronized laser modulation, AI-directed routing, and adaptive feedback. An AI-regulated safety network provides photonic alignment control, thermal and pressure management, gas purity safeguards, predictive hazard modeling, and fail-safe isolation. A thermal recovery module captures heat from one or more chambers for feedwater preheating and energy stabilization. The modular architecture supports upgrades in optics, safety, and energy inputs, including solar thermal, nuclear waste-heat, and geothermal sources. Purified hydrogen, oxygen, and water vapor are recovered, compressed, and selectively reinjected for closed-loop operation, achieving high efficiency with reduced entropy loss.
Resumen de: US20260225879A1
A method of multi-stage ammonia cracking to produce hydrogen (H2), the method including providing a pressurized ammonia (NH3) to a first reactor including a first hydrogen-selective membrane tube at a first pressure. The method further includes catalytically cracking the NH3 within the first reactor to form H2 and nitrogen (N2). A first permeate from the first membrane tube includes the H2, and a first retentate from the first membrane tube includes unreacted NH3. The method further includes recovering the first permeate as a pressurized H2 product stream. The method further includes providing the first retentate to a second reactor including a second hydrogen-selective membrane tube at a second pressure that is lower than the first pressure. The method further includes catalytically cracking the unreacted NH3 within the second reactor to form additional H2 and N2. The method further includes recovering a second permeate as an additional H2 product stream.
Resumen de: WO2026164246A1
Provided is an adhesive sheet which comprises a substrate layer comprising a polymer having a sulfur atom in the molecule and an adhesive layer disposed on the substrate layer on the side of one surface thereof, wherein the adhesive layer comprises a styrene-based block copolymer and a tackifier.
Resumen de: US20260229568A1
The invention relates to a system for solid-state electricity storage and solid-state electricity generation that allows electricity to be stored when the renewable energy sources produce excess electricity and electricity to be generated when the electricity demand on the market exceeds the electricity production from renewable energy sources. The system comprises a solid-state electricity storage device having a first electrolysis device for producing chlorine from a melt of zinc chloride and solid zinc, a second electrolysis device for producing hydrogen from water, a first reactor for producing hydrogen chloride, and a vessel with a water sprayer for producing hydrochloric acid. The system further comprises a solid-state electricity generation device having a second reactor for reacting zinc and hydrochloric acid to produce hydrogen and a fuel cell for generating electricity.
Resumen de: US20260225925A1
0000 The present disclosure relates to methods of sequestering CO2 comprising a first cathodic chamber, performing a first alkaline process, a first anodic chamber, performing a first acidic process, and dechlorinating a solution by contacting the solution with a dechlorinating agent. Also provided herein are systems comprising a first cathodic chamber and a first anodic chamber.
Resumen de: US20260226631A1
An electrolyte solution comprising an electrolyte, wherein the electrolyte is used in an amount ranging between 1 wt % to 10 wt % of the electrolyte solution; an ionic liquid, wherein the ionic liquid is used in an amount ranging between 1 wt % to 5 wt % of the electrolyte solution; and a solvent, wherein the solvent is used in an amount ranging between 75 wt % to 98 wt % of the electrolyte solution.
Resumen de: US20260226638A1
An electrode for use in the electrolysis of water under alkaline conditions, comprising a nickel metal substrate, a ceramic material with a perovskite-type structure comprising an oxide of at least one metal selected from among lanthanides including lanthanum, cerium and praseodymium, where said ceramic material is forming a coating on said nickel metal substrate, and metal nanoparticles are socketed into the said ceramic material. The metal nanoparticles facing the alkaline solution have electrochemical activity, whereas the metal nanoparticles facing the said metal substrate form an anchoring points between the metal substrate and the said ceramic material.
Resumen de: US20260226637A1
The present disclosure concerns an electrocatalytic system and methods of the use thereof for the generation of hydrogen at both electrodes. In aspects, the present disclosure concerns an anode of a copper-silver bimetallic alloy, Cu3Ag7, and a basic anolyte with an aldehyde therein. The aldehyde reacts with the hydroxyl groups from the catholyte to produce hydrogen and the catholyte reacts water therein with the electrons from the anolyte to also produce hydrogen in a highly Faradaic efficient system. Application of the present disclosure not only provides for production of clean hydrogen, but also offers an approach for aldehyde decontamination.
Resumen de: US20260225881A1
0000 Provided herein are water-reactive aluminum compositions comprising aluminum or an alloy thereof and an activating metal alloy (e.g., a non-eutectic activating metal alloy comprising bismuth, tin, indium, and gallium; or an activating metal alloy comprising bismuth, tin, and indium). Some water-reactive aluminum compositions provided herein contain no gallium. Also provided herein are methods of activating aluminum to provide water-reactive aluminum compositions. Further provided are fuel mixtures comprising the water-reactive aluminum compositions described herein and water-reactive aluminum compositions with increased gallium content; and methods of providing hydrogen and/or steam using the water-reactive aluminum compositions described herein.
Resumen de: US2024240328A1
0000 A water electrolysis stack in which a water electrolysis cell is laminated, a water supply side path for supplying water to the water electrolysis stack, and a hydrogen side path for recovering hydrogen generated from the water electrolysis stack are provided, and the water supply side path includes a pump which is a power source for supplying water to the water electrolysis stack, an ion exchanger arranged between the pump and the water electrolysis stack, a bypass which is a path for flowing water from the pump to the water electrolysis stack without passing through the ion exchanger, a valve for adjusting an amount of water flowing to the bypass, and a controller for adjusting a valve.
Resumen de: US20260226640A1
The invention relates to a bipolar plate (34) for an electrolyzer (44), wherein the bipolar plate (34) comprises a plurality of media channels (36), i.e. at least one H2O inlet port (38), an H2O/O2 outlet port (40), and an H2 outlet port (42). Bipolar plates (34), in the form of repeating components (48), are arranged in the electrolysis cell stack (46) of the electrolyzer (44) one over the other, each of which is arranged so as to seal a port (38, 40, 42), such that an insert seal (56) is fixed on an X/Y plane (86) between two respective bipolar plates (34) lying one over the other. The invention additionally relates to the use of the bipolar plate (34) in an electrolysis cell stack (46) of an electrolyzer (44).
Resumen de: AU2024406508A1
A separator for alkaline water electrolysis comprising: - a porous support (100) and on at least one side of the support, in order: - an optional porous layer including a Polymer A (200), and - a non-porous layer including a Polymer B (300), characterized in that the separator is obtainable by coating on the porous support (100) or the optional porous layer (200) a Polymer B solution having a viscosity of at least 400 mPa.s, measured at 20°C and a shear rate of 100 s-1, and wherein the separator has a Bubble Point, measured according to ASTM F316, of at least 5 bar.
Nº publicación: WO2026162628A1 06/08/2026
Solicitante:
NUOVO PIGNONE TECNOLOGIE S R L [IT]
NUOVO PIGNONE TECNOLOGIE - S.R.L.
Resumen de: WO2026162628A1
System (100) for exploiting hydrogen (H2) produced as by-product by a chlor-alkali plant (10) comprising a compressor (20), a storage unit (30) and a power generation unit (40). The compressor (20) is fluidly coupled to the chlor-alkali plant (10) and is configured to receive and compress the hydrogen (H2) produced by the chlor-alkali plant (10) so to discharge a compressed hydrogen flow (CH2). The storage unit (30) is fluidly coupled to the compressor (20) and is configured to receive and store the compressed hydrogen flow (CH2) at least for a predetermined time and to discharge a stored hydrogen flow (SH2). The power generation unit (40) is fluidly coupled to the storage unit (30) and is configured to receive a first hydrogen flow (HF1) of the stored hydrogen (SH2) as a fuel and/or one or more external fuels (F), so to perform a combustion and produce electrical power (E1) and/or mechanical power (M1). The power generation unit (40) is further electrically coupled to the chlor-alkali plant (10) and/or mechanically coupled to the compressor (20) so that the electrical power (E1) produced by the power generation unit (40) is supplied to the chlor-alkali plant (10) and/or at least part of the mechanical power (M1) is used to drive the compressor (20).
BOPI
Sede Electrónica
