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477
resultados
Última actualización
10/09/2025 [07:02:00]
Resultados 325 a 350 de 477
Resumen de: US2025243057A1
The present invention discloses a zero-carbon-emission device and process for generating hot air or high-temperature steam or producing pure water, including a gas storage unit, a gas conduct device, a reaction chamber, and a heating conduct device, where the gas storage unit is configured to store hydrogen and oxygen or air respectively; the gas storage unit is connected to the reaction chamber through the gas conduct device respectively, and the gas conduct device is configured to convey the oxygen or the air and the hydrogen of the gas storage unit to the reaction chamber; the reaction chamber is further provided with a hot and moist air outlet, and the hot and moist air outlet is connected to the heating conduct device; and the reaction chamber is provided with a plurality of layers of pipes that are connected in sequence.
Resumen de: US2025242312A1
The present disclosure is directed to a molybdenum iron composition that includes 55 to 60 weight percent MoFe2, 33 to 37 weight percent Mo5.08Fe7.92, and 5 to 10 weight percent MoO3 based on the total weight of the composition. The composition is in the form of nanosheets. A nanocomposite membrane including the molybdenum iron composition is also provided. The nanocomposite membrane includes 0.01 to 0.5% molybdenum iron composition by weight uniformly distributed in a polyvinylidene fluoride polymeric matrix based on a total weight of the nanocomposite membrane. The nanocomposite membrane of the present disclosure finds application in filtration of a contaminated feed mixture and for generating hydrogen.
Resumen de: US2025244729A1
A simulation system and method for hydrogen production by water electrolysis. The simulation system for hydrogen production by water electrolysis includes: a first simulation unit used for simulating a hydrogen production power system to obtain hydrogen production electrical parameters; a controller unit used for outputting a control instruction to control hydrogen production process parameters in a hydrogen production chemical system; a second simulation unit used for simulating the hydrogen production chemical system according to the hydrogen production electrical parameters and the control instruction so as to obtain a hydrogen production result; and a data interaction unit, the first simulation unit, the controller unit, and the second simulation unit being capable of performing data interaction by means of the data interaction unit. Joint simulation of complete chemical and electrical processes for hydrogen production by water electrolysis can be realized.
Resumen de: US2025246642A1
The present invention provides an oxygen evolution reaction catalyst, wherein the oxygen evolution reaction catalyst is an oxide material comprising iridium, tantalum and ruthenium: wherein the oxygen evolution catalyst comprises a crystalline oxide phase having the rutile crystal structure; wherein the crystalline oxide phase has a lattice parameter a of greater than 4.510 Å.
Resumen de: US2025246660A1
Described is a long-lasting, heavy-duty ion exchange membrane comprising a fluorinated ionomer, a CexM1-xOy nanoparticle, and optional additives; where x is 0.2-0.9, y is 1-3, and M is Zr, Gd, Pr, Eu, Nd, La, Hf, Tb, Pd, Pt, or Ni. Optional additives may include reinforcement layers, which may be embedded in the ion exchange membrane. Such membranes are formed from ion exchange polymer dispersions and are useful to form membrane assemblies for fuel cell or water electrolysis applications. The present membranes and membrane assemblies have improved chemical stability and durability in such applications.
Resumen de: AU2023408768A1
A method of hydrogen production includes providing a solution and immersing a device in the solution. The device includes a substrate having a surface, an array of conductive projections supported by the substrate and extending outward from the surface of the substrate, and a plurality of catalyst nanoparticles disposed over the array of conductive projections. The solution includes dissolved sodium chloride (NaCl).
Resumen de: US2025236517A1
A dehydrogenation reaction device includes a chemical hydride storage unit including a chemical hydride storage tank, a reaction unit including an acid aqueous solution storage tank, and a dehydrogenation reactor configured to generate hydrogen by reacting a chemical hydride with an acid aqueous solution, and a hydrogen storage unit including a hydrogen storage tank configured to store the hydrogen produced in the dehydrogenation reactor. The dehydrogenation reactor includes a body portion made of a metal and a reinforcement portion surrounding the outer surface of the body portion and including fiber reinforced plastic (FRP).
Resumen de: KR20210001132A
The present invention relates to a catalyst complex for a fuel cell, comprising: a support including carbon (C); platinum (Pt) supported on the support; and an iridium (Ir) compound supported on the support, wherein the iridium compound includes at least one of iridium oxide satisfying chemical formula 1, IrO_x and iridium-transition metal oxide satisfying chemical formula 2, IrMO_x (M is a transition metal and may be selected from Fe, Co, Cu, and Ni), and x is 1 to 2.
Resumen de: WO2024116062A1
The present invention relates to a symmetrical separator membrane for electrolysis of alkaline water and with homogeneous distribution of the pores.
Resumen de: KR20250115635A
본 발명은 성능 및 내구성 향상을 위한 수전해 고분자 전해질 막의 제조방법에 관한 것이다. 본 발명은, 물을 전기분해하여 수소를 생성하는 수전해 장치에 사용되는 수전해 비불소 탄화수소계 고분자 전해질 막의 제조방법으로서, 비불소 탄화수소계 고분자 용액을 캐스팅하여 고분자 전해질 막을 형성하는 제막 단계; 상기 형성된 고분자 전해질 막을 건조시키는 건조 단계; 및 상기 건조된 고분자 전해질 막을 어닐링하는 어닐링 단계를 포함하는 수전해 비불소 탄화수소계 고분자 전해질 막의 제조방법을 제공한다. 본 발명에 따르면, PEM 수전해용 고분자 전해질 막의 성능과 내구성을 효과적으로 향상시킬 수 있다.
Resumen de: DE102024200876A1
Es wird ein Verfahren zur Herstellung einer Elektrode (4) mit einem Edelmetall-Katalysator für die alkalische Wasserelektrolyse angegeben. Das Verfahren umfasst, (S1), das Bereitstellen des Elektrodensubstrates (1), (S2), das Bereitstellen eines Matrixmaterials (2) und eines Katalysatormaterial (3) als Ausgangsmaterialien für die Beschichtung, (S3), das Vermischen des Matrixmaterials (2) und des Katalysatormaterials (3), und in (S4) Beschichten des Substrates (1) mit dem Gemisch aus Matrixmaterial (2) und Katalysatormaterial (3) mittels Hochgeschwindigkeitsflammspritzens (HVOF). Weiterhin werden eine entsprechend hergestellte Elektrode (4), eine diese Elektrode umfassende elektrochemische Zelle (10) und ein Elektrolyseur (20) angegeben.
Resumen de: DE102024102758A1
Elektrolysevorrichtung (10) zur Erzeugung von Wasserstoff aus Wasser mit Hilfe von elektrischem Strom, mit einem Zellstapel (11) aus mehreren als Elektrolysezellen ausgebildeten Zellstapelelementen (12), mit einem ersten Drucksensor (28) zur Erfassung eines ersten wasserstoffseitigen Drucks, mit einem zweiten Drucksensor (29) zur Erfassung eines zweiten wasserstoffseitigen Drucks, und mit einem Steuergerät (30), welches abhängig von dem vom ersten Drucksensor (28) gemessenen ersten Druck, abhängig von dem vom zweiten Drucksensor (29) gemessenen zweiten Druck und abhängig von dem an die Elektrolysevorrichtung (10) zur Elektrolyse angelegten elektrischen Strom überprüft, ob die Elektrolysevorrichtung (10) eine Undichtigkeit aufweist.
Resumen de: DE102024102527A1
System aus mehreren in einem Gestell oder Regal (19) aufgenommenen Elektrolysevorrichtungen (10) zur Erzeugung von Wasserstoff aus Wasser mit Hilfe von elektrischem Strom, wobei jede Elektrolysevorrichtung (10) zumindest folgendes aufweist: einen Zellstapel (11) aus mehreren als Elektrolysezellen ausgebildeten Zellstapelelementen (12); sich gegenüberliegende Endplatten (14, 15), wobei der Zellstapel (11) aus den Zellstapelelementen (12) zwischen den Endplatten (14, 15) ange-ordnet und verpresst ist; mindestens einen an den Endplatten (14, 15) ausgebildeten Wasserzuleitungsanschluss (16), über welchen der jeweiligen Elektrolysevorrichtung (10) Wasser zuführbar ist, und mindestens einen an den Endplatten (14, 15) ausgebildeten Wasserableitungsanschluss (17), über welchen von der jeweiligen Elektrolysevorrichtung (10) Wasser und Sauerstoff abführbar ist. Am Gestell oder Regal (19) und/oder im Gestell oder Regal (19) und/oder in unmittelbarer Nähe zum Gestell oder Regal (19) ist mindestens ein Vorabscheider (20) für Sauerstoff verbaut, um aus dem von den Elektrolysevorrichtungen (10) abgeführten Wasser Sauerstoff abzuscheiden.
Resumen de: WO2025158319A1
A method and an apparatus for a cooling of an electroyzer unit is described. The apparatus receives a temperature value associated with ambient air in proximal to the electrolyzer unit. The apparatus compares the temperature value with a predefined temperature threshold. The apparatus controls a supply of a liquid air stream from an air separation unit to a first heat exchanger unit based on the comparison. The apparatus control the first heat exchanger unit to mix the liquid air stream with the ambient air. The mixing of the liquid air stream and the ambient air causes transfer of heat therebetween. The apparatus controls a cooling of the electrolyzer unit based on the mixing.
Resumen de: WO2025160516A1
A system and method of making hydrogen from water. A reaction vessel is provided with an outer shell, a central shaft, and concentric inner tubes separated by annular spaces. Water is delivered to the annular spaces by a water pump through an inlet defined in the reaction vessel. The water courses along a tortuous flow path. That path begins at an inner annular space around a central shaft. It ends at an outer annular space. The water emerges from the reaction vessel through an outlet associated with a manifold. A vibratory stimulus is applied to the reaction vessel and water. Water molecules are dissociated into hydrogen molecules and oxygen atoms. These reaction products are delivered through the manifold along an effluent flow path to a receiving pressure vessel before deployment to a sub-assembly for harnessing clean energy.
Resumen de: WO2025157947A1
The present invention discloses an electrolyser system and a method for operating the electrolyser system. The electrolyser system comprises an electrolyser stack further comprising a cathode compartment and an anode compartment separated by a diaphragm. A catholyte inlet of the stack is configured for supplying catholyte to the cathode compartment of the stack and an anolyte inlet configured for supplying anolyte to the anode compartment of the stack. A catholyte outlet transports gas-electrolyte mixture from the cathode compartment to a hydrogen separator and an anolyte outlet transports gas-electrolyte mixture from the anode compartment to an oxygen separator. A pressure control unit is configured to establish a predefined differential pressure between the cathode compartment and the anode compartment of the stack by maintaining the pressure at the cathode compartment greater than the pressure at the anode compartment.
Resumen de: EP4593128A2
Provided herein is a method for producing a cement material, said method comprising steps of: a. reacting sulfur dioxide and water to form a first acid, the first acid comprising at least one sulfur-containing anion; b. reacting the first acid and a first cement precursor to form a second cement precursor; wherein the second cement precursor comprises the at least one sulfur-containing anion; and c. converting the second cement precursor to the cement material. Also provided is a system for producing a cement material.
Resumen de: EP4592426A2
This organic hydride generation system 1 is provided with: an electrolytic bath 2; a main power supply unit 56 that supplies power to the electrolytic bath 2; an auxiliary power supply unit 58 that supplies power to the electrolytic bath 2 independently of the main power supply unit 56; a detection unit 38 that detects the voltage of the electrolytic bath 2, the potential of an anode electrode 12, or the potential of a cathode electrode 16; and a control unit 10 that controls the supply of power to the electrolytic bath 2 on the basis of detection results of the detection unit 38. The control unit 10 controls the auxiliary power supply unit 58 to supply power to the electrolytic bath 2, when the voltage or potential is detected to be changed to a prescribed value during the operation stoppage of the organic hydride generation system 1 in which the power from the main power supply unit 56 is not supplied to the electrolytic bath 2.
Resumen de: EP4592425A1
The present invention discloses an electrolyser system (100) and a method for operating the electrolyser system. The electrolyser system (100) comprises an electrolyser stack (101) further comprising a cathode compartment and an anode compartment separated by a diaphragm. A catholyte inlet (102) of the stack (101) is configured for supplying catholyte to the cathode compartment of the stack (101) and an anolyte inlet (103) configured for supplying anolyte to the anode compartment of the stack (101). A catholyte outlet (104) transports gas-electrolyte mixture from the cathode compartment to a hydrogen separator (106) and an anolyte outlet (105) transports gas-electrolyte mixture from the anode compartment to an oxygen separator (107). A pressure control unit (110) is configured to establish a predefined differential pressure (Δp) between the cathode compartment and the anode compartment of the stack (101) by maintaining the pressure at the cathode compartment greater than the pressure at the anode compartment.
Resumen de: EP4593125A1
A solid oxide electrochemical cell (400) includes a solid oxide electrolyte (5), a fuel-side electrode (7) located on a first side of the solid oxide electrolyte (5), and an air-side electrode (3) located on a second side of the solid oxide electrolyte (5). The air-side electrode (3) includes a strontium getter material, a current collector layer (34) and a functional layer (32) located between the current collector layer (34) and the second side of the solid oxide electrolyte (5).
Resumen de: WO2025125243A1
The invention relates to a method for producing an electrode (10) for use in alkaline electrolysis of water, the method comprising: providing a metal substrate (12); providing a coating material (26) comprising powder (28) consisting of a catalyst material (20), and comprising non-metal particles (24); and coating at least a portion of the substrate with the coating material. The invention also relates to electrodes produced in this way.
Resumen de: WO2025159402A1
The present invention relates to a catalyst for an ammonia decomposition reaction and a hydrogen production method using same. More specifically, the present invention relates to: a catalyst for an ammonia decomposition reaction which, by containing cesium and cerium in a cobalt-molybdenum composite nitride, exhibits excellent catalytic activity in the ammonia decomposition reaction and thus enables an improved ammonia conversion rate, and which shows minimal degradation in activity even after high-temperature and long-duration reactions, offering excellent long-term stability; and a hydrogen production method using the catalyst.
Resumen de: US2022306559A1
A method for upgrading biogas to methanol, including the steps of: providing a reformer feed stream comprising biogas; optionally, purifying the reformer feed stream in a gas purification unit; optionally, prereforming the reformer feed stream together with a steam feedstock in a prereforming unit; carrying out steam methane reforming in a reforming reactor heated by means of an electrical power source; providing the synthesis gas to a methanol synthesis unit to provide a product including methanol and an off-gas. Also, a system for upgrading biogas to methanol.
Resumen de: CN120226171A
The present disclosure relates to an electrochemical cell stack comprising solid state electrochemical cells (20), an electrically conductive separator (30); and a sealing element (40). The separator comprises: a central portion (31) having an oppositely recessed support surface (32) supporting the solid oxide cell, and a contact surface (34) opposite the recessed support surface contacting an adjacent solid state electrochemical cell; and a boundary portion (36) providing a relatively elevated top (37) and upstanding side walls (38). A sealing element (40) extends between an elevated top surface of the boundary portion and an opposing support surface (39) of an adjacent bulkhead. The spacing distance between the concave support surface and the contact surface of the adjacent separator, defined by the combined height of the sealing element and the upstanding side wall, is matched to the thickness of the solid state electrochemical cell.
Nº publicación: EP4590881A2 30/07/2025
Solicitante:
LUDLOW DARYL J [US]
Ludlow, Daryl, J
Resumen de: US2025214034A1
Hydrogen gas purifier electrochemical cells, systems for purifying hydrogen gas, and methods for purifying hydrogen gas are provided. The cells, systems, and methods employ double membrane electrode (DMEA) electrochemical cells that enhance purification while avoiding the complexity and cost of conventional cells. The purity of the hydrogen gas produced by the cells, systems, and methods can be enhanced by removing at least some intermediate gas impurities from the cells. The purity of the hydrogen gas produced by the cells, systems, and methods can also be enhanced be introducing hydrogen gas to the cells to replenish any lost hydrogen. Water electrolyzing electrochemical cells and methods of electrolyzing water to produce hydrogen gas are also disclosed.
BOPI
Sede Electrónica
