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343
resultados
Última actualización
07/02/2026 [06:56:00]
Resultados 25 a 50 de 343
Resumen de: US20260028734A1
A method for use in controlling operation of a hydrogen production plant includes determining a maximum available amount of energy of a predetermined energy category in a current time interval; determining a target minimum amount of the energy of the predetermined energy category to be used for hydrogen production in the current time interval; and determining hydrogen setpoints for the current time interval using the maximum available amount and the target minimum amount as constraints.
Resumen de: US20260028728A1
The present application relates generally to methods and systems for accelerating the evaporation of brine pond water. In one embodiment the application pertains to an integrated process for producing hydrogen wherein waste heat evaporates the brine water. The process comprises producing hydrogen and heat from water using an electrolyzer and then heating a heat transfer fluid with the heat from the electrolyzer. The heated heat transfer fluid is pumped to a heat exchanger where it heats a brine solution from the brine pond to increase its evaporation.
Resumen de: US20260028737A1
A continuous method includes passing a first steam feed stream to a cathode of an electrolyzer including the cathode, an anode and an electrolyte inserted between the cathode and the anode, thereby producing a cathode effluent including hydrogen, passing a second steam feed stream and one or more of a recycled tail gas stream from a reactor unit and a methane-rich feed stream to the anode of the electrolyzer, wherein the one or more of the recycled tail gas stream and the methane-rich feed stream are utilized as fuel for producing the cathode effluent including hydrogen, and passing the cathode effluent including g hydrogen and a carbon dioxide feed stream to the reactor unit, thereby producing a chemical product or a fuel-based product.
Resumen de: US20260028730A1
Conventional control schemes for electrolyzers focus on maximizing electrical efficiency, which describes the relationship between the electrical energy consumed and the gas produced by the electrolyzer. However, the cost associated with high electrical efficiency may be unnecessarily expensive. In one embodiment presented herein, a model is used to determine the cost (or profit) associated with a gas produced by the electrolyzer at each of a plurality of operating conditions. The control system can select the operating condition to use based on which operating condition is associated with the lowest cost (or highest profit), even though that operating condition may not be associated with the highest electrical efficiency.
Resumen de: US20260028934A1
An energy supply system includes an electrolysis system to perform electrolysis on a first source of water, and break the water into hydrogen and oxygen components. The hydrogen and oxygen components are supplied to a power generation system. The power generation system includes a combustor receiving the hydrogen and oxygen components and is operable to combust the hydrogen and oxygen components. The combustor also receives a source of steam. Products of combustion downstream of the combustor pass over a top turbine rotor, driving the top turbine rotor to rotate. A first generator generates electricity from the rotation of the top turbine rotor.
Resumen de: US20260028949A1
The present invention relates, in general, to systems and methods for generating hydrogen from ammonia on-board vehicles, where the produced hydrogen is used as a fuel source for an internal combustion engine. The invention provides an expansion valve configured to maintain ammonia in a gaseous state prior to introduction into a cracking system that comprises a heat-exchange cracking unit and electric cracking unit coupled in series which enables reliable hydrogen generation under varying engine operating conditions.
Resumen de: WO2026022486A1
Described herein includes a method for the production of hydrogen gas, the method comprising: (i) providing a DC electrical power supply; (ii) providing a plasma reactor (100) comprising: (a) a plasma chamber (105), (b) a plasma torch (135) comprising a first plasma electrode extending into the plasma chamber, (c) a second plasma electrode extending into the plasma chamber, and (d) first and second spray systems, each extending into the plasma chamber; (iii) establishing a DC electric potential between the first plasma electrode and the second plasma electrode to generate and sustain a reaction zone about a plasma arc therebetween; (iv) providing a spray of a hydrogen-containing feedstock into the reaction zone from the first spray system, whereby a mixture of gases comprising hydrogen gas is formed in the plasma chamber by decomposition of the hydrogen-containing feedstock; and (v) providing a spray of water into the plasma chamber adjacent to the reaction zone from the second spray system, whereby the spray of water cools and dilutes the mixture of gases formed in step (iv).
Resumen de: CN120981608A
Disclosed is an electrolyte solution comprising an electrolyte, where the electrolyte is used in an amount ranging between 1 wt% and 10 wt% of the electrolyte solution; an ionic liquid, wherein the ionic liquid is used in an amount ranging between 1 wt% and 5 wt% of the electrolyte solution; and a solvent, wherein the solvent is used in an amount ranging between 75 wt% and 99 wt% of the electrolyte solution.
Resumen de: CN121039323A
A method of generating hydrogen and oxygen from a liquid feed stream by an integrated system of forward osmosis and electrolysis is disclosed wherein the method comprises the steps of feeding water into an electrolyte solution by means of forward osmosis and applying a voltage across the electrolyte solution to generate hydrogen and oxygen, characterized in that the electrolyte solution comprises an electrolyte, an ionic liquid and a solvent wherein the electrolyte is used in an amount ranging from 1 wt% to 10 wt% of the electrolyte solution and wherein the ionic liquid is used in an amount ranging from 1 wt% to 5 wt% of the electrolyte solution, and wherein the solvent is used in an amount ranging between 75 wt% and 99 wt% of the electrolyte solution.
Resumen de: CN120917183A
An electrode for water electrolysis under alkaline conditions, comprising: a nickel metal substrate; a ceramic material having a perovskite-type structure comprising an oxide of at least one metal selected from lanthanide series elements including lanthanum, cerium and praseodymium, the ceramic material forming a coating on the nickel metal substrate; the metal nanoparticles are embedded within the ceramic material. The metal nanoparticles facing the alkaline solution have electrochemical activity, while the metal nanoparticles facing the metal substrate form anchor points between the metal substrate and the ceramic material.
Resumen de: AU2024213038A1
An electrolyser system and method of electrode manufacture. The electrolyser system may comprise a first vessel in communication with an electrolyser stack, a power supply, an electrode, a separator, a membrane, and a second vessel in communication with the electrolyser stack. The electrode may comprise a catalytic material and a micro- porous and/or nano-porous structure. The method of electrode manufacture may comprise providing a substrate, contacting the substrate with an acidic solution, applying an electric current to the substrate, simultaneously depositing a main material and supporting material comprising a scarifying material onto the substrate, and leaching the scarifying material.
Resumen de: WO2026020744A1
A gas supply system for an LNG dual-fuel main engine, and an LNG dual-fuel powered ship. The gas supply system comprises an LNG supply unit (10), a dual-fuel main engine (20), an electrolytic hydrogen production unit (30), an exhaust gas recirculation unit (40), and a cold and heat circulation unit (50). The LNG supply unit (10) comprises an LNG storage tank (11), a submersible pump (12), an LNG heat exchanger (13) and a buffer tank (14). The electrolytic hydrogen production unit (30) comprises a pure water unit (31), a pure water heat exchanger (32), an electrolytic cell (33), a hydrogen storage tank (34), and an oxygen storage tank (35). The exhaust gas recirculation unit (40) comprises a flue gas heat exchanger (41). The cold and heat circulation unit (50) comprises an expansion water tank (51) and a circulation pump (52).
Resumen de: US20260031366A1
A process for producing an ion-conducting membrane comprising a recombination catalyst-containing membrane layer. The membrane layer if fabricated from an ink comprising a stabilised dispersion of recombination catalyst nanoparticles. Also provided are ion-conducting membranes for electrochemical devices, such as fuel cells or water electrolysers, with a recombination catalyst-containing membrane layer comprising dispersed recombination catalyst nanoparticles, a nanoparticle stabilising agent, and an ion-conducting polymer.
Resumen de: US20260031377A1
The present invention relates to a method of supplying electricity to an electrical load including steps of providing an alkaline solution, reacting the alkaline solution with silicon so as to produce hydrogen. processing the hydrogen in a fuel cell to generate electricity, and supplying the electricity from an output of the fuel cell to the electrical load via a suitable electrical interfacing module.
Resumen de: EP4685273A1
The present disclosure provides a membrane electrode for hydrogen production by alkaline water electrolysis, a preparation method therefor, and an electrolytic cell. According to the method provided by the present disclosure, a membrane electrode with catalyst layers uniformly and firmly adhered to the surfaces of a membrane can be obtained via a direct coating and hot pressing. The membrane electrode is endowed with good stability, and the obtained membrane electrode exhibits a significantly reduced overpotential for water electrolysis. The method comprises the following steps: directly applying a catalyst slurry (catalyst slurries) onto both sides of a membrane, followed by drying and hot pressing the catalyst slurry (catalyst slurries) to form catalyst layers on each surface of the membrane to obtain the membrane electrode. The membrane is selected from a porous membrane or an alkaline anion exchange membrane; the catalyst slurry comprises a binder solution and a catalyst, wherein the binder solution is one or more selected from a perfluorosulfonic acid resin solution and a perfluorosulfonic acid ionomer dispersion, and the mass concentration of the binder solution is 5% to 30%; and the mass ratio of the binder solution to the catalyst is 1:1 to 4:1.
Resumen de: EP4684865A2
A system includes a first chamber, a second chamber, an ultraviolet light source and a microwave source. The first chamber includes an inlet. The second chamber is adjacent the first chamber and includes an outlet and a waveguide. The ultraviolet light source resides within the waveguide of the second chamber. Related apparatus, systems, techniques and articles are also described.
Resumen de: EP4685272A2
L'invention se rapporte à une Cellule électrochimique (CEC) comprenant une première électrode (A0) de forme cylindrique et une deuxième électrode (C1) de forme cylindrique, la première électrode (A0) et la deuxième électrode (C1) partageant un même axe de révolution, le diamètre de la première électrode étant supérieur au diamètre de la deuxième électrode, de sorte que le volume (V) défini entre la face interne de la première électrode et la face externe de la deuxième électrode puisse recevoir un électrolyte, la cellule (CEC) comprenant des moyens d'obturation (D2, D3, CFo) de la base supérieure et de la base inférieure de la cellule assurant l'étanchéité de l'électrolyte, la cellule (CEC) comprenant de plus des moyens de production d'un champ magnétique (B), ledit champ magnétique étant perpendiculaire au champ électrique produit entre la première électrode (A0) et la deuxième électrode (C1).
Resumen de: EP4685269A2
The present disclosure relates to an electrolyzer cell. A ring-shaped skeleton is provided between a first sealing ring and a second sealing ring of a sealing gasket, which is able to support the sealing gasket well, avoiding problems such as not fitting in place and excessive compression deformation of the sealing gasket. In addition, in the present disclosure, the sealing gasket, the ring-shaped skeleton, a bipolar plate, nickel meshes are combined to form the electrolyzer cell, which can effectively improve the assembly efficiency, the assembly precision and the sealing of an alkaline water electrolyzer. The electrolyzer cell has a reasonably designed structure, is suitable for long-term use in working environments with alternating pressure and temperature changes, has a long service life, and can be reused.
Resumen de: WO2024193977A1
The invention relates to an offshore hydrogen production system (100, 200), comprising a plurality of offshore hydrogen production wind turbines (102, 202, 240), in each case comprising a wind turbine (106, 206) and a micro-electrolysis system (104, 204), at least one first central offshore treatment structure (108, 208), comprising at least one water treatment plant (110, 210) designed to treat water for hydrogen production, and at least one interconnected medium network (118, 218) arranged between the plurality of offshore hydrogen production wind turbines (102, 202, 240) and the first central offshore treatment structure (108, 208). The interconnected medium network (118, 218) comprises at least one water supply network (120, 220) designed to supply the micro-electrolysis systems (104, 204) with the treated water.
Resumen de: US2023287587A1
The present application relates to water electrolyzers, including water electrolyzers incorporating anion exchange membranes. The present applications also relates to materials incorporated into water electrolyzers and approaches for manufacturing water electrolyzers, as well as methods of using water electrolyzers.
Resumen de: AU2023390125A1
Catalyst ink formulas for the preparation of CCMs are described. The catalyst ink formulas comprise a catalyst, an ionomer, a solvent, and a porogen soluble in the solvent. The catalyst ink formula may also comprise an additive, such as an electron conductive polymer. The anode catalyst coating layer or both the anode and the cathode catalyst coating layers prepared from the catalyst ink formula comprises uniformly distributed nanopores that allow easy gas removal and uniform water feed distribution, which will avoid or reduce the direct energy losses for the electrolyzers. Catalyst coated membranes and methods of making a catalyst coated membranes are also described.
Resumen de: JP2025004799A
To provide a configuration capable of grasping the recovery amount by a recovery container 14 for recovering a composition containing a by-product generated during hydrogen generation.SOLUTION: A hydrogen generation part 12 generates hydrogen by reacting a hydrogen carrier with a liquid containing water. A body part 10 has a hydrogen generation part 12. The recovery container 14 is attachable to and detachable from the body part 10 and recovers a composition containing a by-product generated together with hydrogen in the hydrogen generation part 12. A detection part 13 detects the recovery amount of the composition recovered from the hydrogen generation part 12 by the recovery container 14. A memory 17 is provided in the recovery container 14 and stores information related to the recovery amount.SELECTED DRAWING: Figure 1
Resumen de: JP2025039684A
To provide means for solving the problem on radioactive contamination by applying hydrogen water to applications that are different from an application of removing a radioactive substance from soil and that appropriately exhibit functions of hydrogen water with unique properties.SOLUTION: In a method for reducing an amount of radioactivity in liquid containing a radioactive substance by dissolving hydrogen in the liquid, hydrogen may be dissolved in the liquid by mixing a substance containing a radioactive substance with hydrogen water containing hydrogen of 1.0 ppm or more.SELECTED DRAWING: None
Resumen de: WO2025008146A1
The present invention relates to a method for producing hydrogen and magnetite from water and iron in the presence of an iron(II) salt catalyst. The invention also relates to the use of the iron obtained as an indirect hydrogen store.
Nº publicación: CN121399298A 23/01/2026
Solicitante:
松下知识产权经营株式会社
Resumen de: WO2024262442A1
A water electrolysis electrode 1 comprises a conductive substrate 10 and a layered double hydroxide layer 20. The conductive substrate 10 contains Ni. The layered double hydroxide layer 20 is provided on a surface of the conductive substrate 10. The layered double hydroxide layer 20 contains Ni. In an XRD pattern of the grazing incidence X-ray diffraction of the water electrolysis electrode 1, the ratio P003/P111 of the intensity P003 of the diffraction peak of the (003) plane of the layered double hydroxide to the intensity P111 of the diffraction peak of the (111) plane of Ni is 0.025 or less.
BOPI
Sede Electrónica
