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744
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Updated on
14/09/2026 [07:03:00]
Results 275 to 300 of 744
Absstract of: WO2025051333A1
The invention relates to a plate-like element (10) of a cell stack (2) of an electrochemical system (1), having a first plate side (26), a second plate side (27), a plurality of openings (13, 21, 22, 23, 23') and a first structure (14) for forming a flow field for coolant and several further structures (14') for forming distributors for operating media on the first plate side (26). The structure (14) comprises a coolant conducting structure (15, 16) through which a first coolant path (15) and a second coolant path (16) arranged mirror-symmetrically thereto are formed, each of which have, starting from one of the openings (21), an elongate inflow portion (17), a centre portion (18) which starts from the inflow portion (17), fans out and describes at least one meandering bend (19), and an elongate outflow portion (20) which adjoins the centre potion (18) and is narrower than the centre portion (18). A longitudinal axis (30) of the inflow portion (17) of the first coolant path (15) matches a longitudinal axis (30) of the outflow portion (20) of the second coolant path (16), and a longitudinal axis (30') of the inflow portion (17) of the second coolant path (16) matches a longitudinal axis (30') of the outflow portion (20) of the first coolant path (15). The invention also relates to a cell stack (2) comprising a plurality of such plate-like elements (10) which are parallel to one another.
Absstract of: 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).
Absstract of: WO2026162388A1
The present disclosure relates to a green hydrogen power plant (1) comprising a renewable energy generation facility (11); a hydrogen production facility (12); and an 5 energy storage unit (13) to store electrical energy; and a plant controller (14) configured to: determine (101) a total value of electrical energy demanded by the hydrogen production facility (12) to operate continuously during an energy production cycle period of the renewable energy generation facility (11); calculate (102) an energy threshold for the energy production cycle period based on said total value of electrical 10 energy demanded by the hydrogen production facility (12); detect (103) whether the current electrical energy produced at said instant by the renewable energy generation facility (11) reaches the energy threshold; in response of detecting that the current electrical energy produced by the renewable energy generation facility (11) is above or equal to the energy threshold, generate (104) an instruction for controlling the 15 renewable energy generation facility (11) to direct excess electrical energy to the energy storage unit (13); and in response of detecting that the current electrical energy produced by the renewable energy generation facility (11) is below the energy threshold, generate (105) an instruction for controlling the energy storage unit (13) to supply the hydrogen production facility (12) with the stored electrical energy to allow 20 the hydrogen production facility (12) to o
Absstract of: US20260225880A1
The invention provides a system and method for the distributed generation and storage of hydrogen utilizing solid-state chemicals. Surplus electrical energy from renewable sources, such as solar and wind, is converted into green hydrogen, stored in the form of sodium borohydride (NaBH4). This solid-state storage medium facilitates safe and efficient hydrogen containment, overcoming limitations in transportation and storage. The hydrogen can be regenerated for use in electricity and heat generation across residential, commercial, agricultural, and industrial applications, including refueling facilities. A cycle of NaBH4 synthesis, hydrogen extraction, and regeneration using renewable energy ensures long-term sustainability. This innovation addresses grid intermittency, enables peak shaving, and decentralizes energy systems, contributing to energy security and a low-carbon economy. The process integrates renewable energy, electrochemical synthesis, and catalytic reactions to provide a scalable solution for modern energy challenges, supporting both immediate and long-term energy needs.
Absstract of: WO2026162948A1
A system comprising an electrolyser cell stack of electrolyser cell units, a separation unit and a Fischer-Tropsch reactor unit and a method for operating the system. The method comprising providing fuel to a fuel volume of the electrolyser cell stack, wherein the fuel comprises steam and carbon dioxide and is provided to the fuel volume at a first temperature. The method comprises powering the electrolyser cell stack with electrical energy thereby converting, at least partially, the steam into hydrogen and oxygen, wherein hydrogen is released into the fuel volume and oxygen is released into an oxygen volume. Carbon dioxide and hydrogen are at least partially converted into carbon monoxide and water in the fuel volume. Powering the electrolyser cell stack comprises controlling a voltage supplied at an endothermic value.
Absstract of: WO2026163573A1
The present invention reduces fluctuation of a grid voltage due to generated power from a renewable energy power generation system by adjusting a load of a water electrolysis system. This control device for a water electrolysis system, which is connected to a grid via an interconnection point shared with a renewable energy power generation system for outputting generated power generated using renewable energy to at least the grid and produces hydrogen by electrolyzing water upon reception of the output of the generated power, is characterized by including: a renewable energy-generated power acquisition unit that acquires renewable energy-generated power that is generated power outputted by the renewable energy power generation system; and a water-electrolysis-system load command-value setting unit that sets a value obtained by multiplying the acquired renewable energy-generated power by a prescribed proportional gain, as a command value for a water electrolysis load of the water electrolysis system.
Absstract of: US20260225080A1
0000 An oxygen evolution reaction (OER) catalyst for reaction in acidic media comprising: a Ru(M1M2M3M4)O<2 >catalyst, wherein the Ru(M1M2M3M4)O<2 >catalyst comprises an M1, an M2, an M3 and an M4 co-doped in ruthenium oxide (RuO<2>), wherein M1 is chosen from Cr, Fe, Co, Ni, Cu, Zi, Al, Ga, Ge, Mg, La and combinations thereof, wherein M2 is chosen from Cr, Fe, Co, Ni, Cu, Zi, Al, Ga, Ge, Mg, La and combinations thereof, wherein M3 is chosen from Cr, Fe, Co, Ni, Cu, Zi, Al, Ga, Ge, Mg, La and combinations thereof, and wherein M4 is chosen from Cr, Fe, Co, Ni, Cu, Zi, Al, Ga, Ge, Mg, La and combinations thereof.
Absstract of: 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.
Absstract of: 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.
Absstract of: DE102025000418A1
Die Erfindung betrifft ein Verfahren zur Entfernung von Gasblasen (P) aus einer kontinuierlichen Flüssigphase (1), die hierbei durch einen Abscheidebehälter (B) geführt wird. Kennzeichnend herbei ist, dass die Koaleszenz der Gasblasen (P) durch ein Hilfsgas (4) unterstützt wird, das unter Bildung von Hilfsgasblasen (H) in die Flüssigphase (1) eingeleitet wird.
Absstract of: DE102025104344A1
Elektrolysevorrichtung zur Erzeugung von Wasserstoff aus Wasser mit Hilfe von elektrischem Strom, mit einem Zellstapel aus mehreren Zellstapelelementen, die Elektrolysezellen ausbilden, mit Endplatten (16), zwischen welchen der Zellstapel aus den mehreren Zellstapelelementen angeordnet ist und verpresst ist, wobei die Zellstapelelemente und die Endplatten (16) des Zellstapels sich in Stapelrichtung der Zellstapelelemente erstreckende Strömungskanäle (23) für Wasserstoff, Strömungskanäle (24) für Wasser und Strömungskanäle (25) für Wasser und Sauerstoff bilden, und mindestens eine Endplatte (16) mindestens eine Inspektionsöffnung (26) aufweist, über die eine Inspektionseinrichtung in mindestens einen der Strömungskanäle (23, 24, 25) einführbar ist.
Absstract of: 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.
Absstract of: 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).
Absstract of: 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.
Absstract of: 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.
Absstract of: 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.
Absstract of: 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.
Absstract of: 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.
Absstract of: 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.
Absstract of: 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.
Absstract of: 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.
Absstract of: 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.
Absstract of: CA3296799A1
Disclosed is an e-methanol SAGD plant system applicable to unconventional oil production areas capable of producing e-methanol using CO2 and carbon-reduced green hydrogen generated by a plant configured to recover bitumen using only a mixture of eco-friendly hydrogen generated by a water electrolysis apparatus and natural gas and steam instead of expanding solvent SAGD (ES-SAGD), which is a recovery method using steam, natural gas, and an additive (a solvent) used to reduce the steam-to-oil ratio (SOR), which impacts environmental pollution, when recovering an oil component from subterranean oil sands based on the widely adopted steam-assisted gravity drainage (SAGD) technology, among methods of recovering bitumen from oil sands.
Absstract of: EP4786037A2
This disclosure relates to polymer electrolyte membranes, and in particular, to a composite membrane having at least two reinforcing layers comprising a microporous polymer structure and a surprisingly high resistance to piercing. This disclosure also relates to composite membrane-assemblies and electrochemical devices comprising the composite membranes of the disclosure, and to methods of manufacture of the composite membranes.
Nº publicación: EP4784820A1 05/08/2026
Applicant:
HYAXIOM INC [US]
HyAxiom, Inc.
Absstract of: US2025101608A1
An illustrative example embodiment of an apparatus and method includes providing a weave body downstream of an electrolyzer, purifying hydrogen by demisting a hydrogen stream exiting the electrolyzer via flow through the weave body; and de-oxidizing the hydrogen stream during flow through the weave body.
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