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824
results.
Updated on
06/10/2025 [06:57:00]
Results 650 to 675 of 824
Absstract of: US2025267782A1
A system which facilitates the joining of metal or ceramic objects via heat in an oxygen-depleted atmosphere comprising: a plasma flame generator (torch), regulator, gas purifier, in-situ hydrogen generator, liquid pumps, battery, and electrical power supply. The electrical system is self-contained and is intended to provide equal or greater functionality to that of existing TIG/Plasma arc welders but in a portable form-factor free from reliance on expensive and cumbersome high pressure compressed gas bottles.
Absstract of: US2025266688A1
A system network includes at least two electrolysis systems, a power supply source, and a central supply line. The central supply line is connected to the secondary side of a transformer. The primary side of the transformer can be fed with energy from the power supply source. The transformer is designed for an operating frequency above the mains frequency of the public power grid, and so a higher-frequency AC grid is formed, to which the electrolysis systems are connected via the central supply line.
Absstract of: US2025266534A1
A water electrolysis system includes: a water electrolysis device including a membrane electrode assembly formed by sandwiching an electrolyte membrane between an anode and a cathode, the water electrolysis device being configured to generate oxygen gas at the anode by supplying water to the cathode and electrolyzing the water; and a water supply device configured to supply, to the anode, water generated in association with power generation of a fuel cell stack.
Absstract of: AU2024219118A1
The present application relates to a flow field for use in an electrolysis cell comprising one or more sheets of porous material with a corrugated structure. The electrolysis cell comprises a membrane, an anode, a cathode, an anode reinforcement layer, a cathode reinforcement layer, an anode flow field, a cathode flow field, and a bipolar plate assembly comprising an embedded hydrogen seal. The anode flow field comprises one or more porous sheets having at least one straight edge and at least one of the porous sheets has the form of a corrugated pattern with a plurality of peaks and valleys whose axes are generally aligned with one straight edge of the sheet. The anode flow field geometry simultaneously provides resiliency, for efficient mechanical compression of the cell, and well-distributed mechanical support for the anode reinforcement layer adjacent to the anode flow field.
Absstract of: AU2024307301A1
A method and arrangement of performing electrolysis by an electrolyzer includes an operational mode and a partial operational mode. During the operational mode operational power from a main power source (202) to a first (808) and second set of stacks (806). In response to detecting a power insufficient for the first and the second set of stacks (806) to perform electrolysis without impurities, the electrolyzer is set to a partial operational mode, wherein the first set of stacks (808) perform electrolysis without impurities and the second set of stacks (806) do not perform electrolysis.
Absstract of: US2025266470A1
Electro-energy or electro-synthetic cells whose architectures allow them to be readily stacked into a cell stack. The cells include polymeric cell frames that incorporate within them, functional materials, such as an inter-electrode separator, electrodes, metallic bipolar plates, and the like. For example, an electro-energy or electro-synthetic cell includes a polymeric cell frame, a first electrode and a second electrode, and an inter-electrode separator positioned between the first electrode and the second electrode. A compressive component is positioned adjacent to the first electrode. The compressive component may be a metallic bipolar plate compressive component and/or a metallic porous transport layer compressive component. In one example the polymeric cell frame is sealed to the metallic bipolar plate by a polymer-to-metal join. In another example at least one polymeric structural locating component locates the metallic bipolar plate against the polymeric cell frame. A cell stack includes a plurality of the cells.
Absstract of: EP4601053A1
An electrochemical cell stack includes at least two electrochemical cells that each contain a fuel electrode, an air electrode, and an electrolyte located between the fuel electrode and the air electrode, at least one interconnect located between the at least two electrochemical cells, and a contact layer that electrically connects the at least one interconnect and the fuel electrode of an adjacent one of the at least two electrochemical cells. The contact layer includes first wires that extend in a first direction, the first wires including thinner first wires and thicker first wires, the thicker first wires having a thickness that is larger than a thickness of the thinner first wires, and second wires that extend in a second direction different from the first direction.
Absstract of: DE102024201557A1
Die Erfindung betrifft ein Verfahren zum Betrieb einer Elektrolyseanlage (1, 20) umfassend einen Elektrolyseur (11) zur Erzeugung von Wasserstoff (H2) und Sauerstoff (O2) als Produktgase, wobei Wasser als Edukt zugeführt wird und an einer protonenleitenden Membran (21) aus einem fluorfreien Polymer (24) zu Wasserstoff (H2) und Sauerstoff (O2) gespalten wird, wobei das Polymer (24) ein nicht-funktionelles Polymermaterial mit einer funktionellen hydrophilen Gruppe aufweist, wobei ein Produktgasstrom (5) in einem Phasengemisch umfassend Wasser (H2O) sowie ein jeweiliges Produktgas gebildet wird, und wobei ein Produktgasstrom einem dem Elektrolyseur (11) nachgeschalteten Gas-Separator (3, 13) zugeführt wird, und bei dem die Freisetzung eines ionischen Abbauproduktes der funktionellen hydrophilen Gruppe der Membran (21) über die Betriebszeit bestimmt wird, wobei dessen zeitlicher Verlauf der Konzentration ermittelt wird, wobei ein Maß für die betriebsbedingte Degradation der protonenleitenden Membran (21) infolge einer Freisetzung des ionischen Abbauprodukts der hydrophilen Gruppe ermittelt wird.Die Erfindung betrifft weiterhin eine entsprechende Elektrolyseanlage (1, 20) sowie eine Messsystem zur Durchführung des Verfahrens.
Absstract of: US2025263859A1
A method of producing hydrogen and/or bromine by electrolysing hydrogen bromide using a fluoropolymer membrane having a glass transition temperature Tg≥110° C. in an electrolysis of hydrogen bromide, wherein the hydrogen bromide stems from a sulfuric acid synthesis.
Absstract of: US2025263853A1
A control device includes a controller that controls a first power supplier structured to supply power to an electrolytic bath for generating an organic compound and a second power supplier different from the first power supplier and structured to supply power to the electrolytic bath. The controller controls the second power supplier based on a change in a voltage between a cathode electrode and an anode electrode provided in the electrolytic bath to a specified voltage, a change in a potential of the cathode electrode to a specified potential ECA1, or a change in a potential of the anode electrode to a specified potential EAN1.
Absstract of: US2025263847A1
A system and method to precipitate calcium hydroxide at low temperatures (T<40° C.) using an electrolytic reactor with hydrodynamic separation. The calcium can be supplied by any calcium bearing material such as calcium carbonate or basalt rock, or from industrial wastes such as brine or steel slag. The solid feedstock undergoes dissolution, whereas the brine may be utilized as is. Once in solution, the feed stream is directed towards an electrolyzer reactor which comprises a cathode, an anode, and a membrane separator. At the cathode, or in a separate precipitation chamber, an alkaline catholyte solution containing calcium hydroxide (portlandite) and magnesium hydroxide (brucite) precipitates, and hydrogen gas is produced.
Absstract of: US2025263844A1
A system for hydrogen recovery includes a dryer having an inlet that may be fluidly connected to a hydrogen outlet of a hydrogen generator, a hydrogen using device having an inlet fluidly connected to a dry hydrogen outlet of the dryer, and one or more conduits fluidly connecting a wet hydrogen outlet from the dryer and an impure hydrogen exhaust outlet of the hydrogen using device to the inlet of the dryer.
Absstract of: US2025263848A1
Particular embodiments described herein provide for a synthetic fuel creation system. The synthetic fuel creation system includes a syngas creation station to create syngas, a crude creation station to create heavy syncrude, and a crude cracking station to convert the heavy syncrude into synthetic fuel. The synthetic fuel creation system can use an electrocatalysis system to create the syngas and the electrocatalysis system can include an anode, a cathode, oxygen evolution reaction catalysts, hydrogen/carbon monoxide evolution reaction catalysts, and an electrolyte, where the hydrogen/carbon monoxide evolution reaction catalysts include a graphitic carbon nitride.
Absstract of: US2025263846A1
To provide a water electrolysis stack capable of suppressing deterioration in sealability. A water electrolysis stack configured by laminating a plurality of water electrolysis cells to generate hydrogen by supplying water to the water electrolysis cell and applying electric power, wherein a laminated member for improving sealing property, which is a member that does not introduce water therein, is laminated at a predetermined position of the water electrolysis cell to be laminated.
Absstract of: US2025263850A1
A polymer electrolyte membrane (PEM) electrolytic cell assembly, and a method for making the assembly, are provided. An exemplary method includes forming a functionalized zeolite templated carbon (ZTC), including forming a CaX zeolite, depositing carbon in the CaX zeolite using a chemical vapor deposition (CVD) process to form a carbon/zeolite composite, treating the carbon/zeolite composite with a solution including hydrofluoric acid to form a ZTC, and treating the ZTC to add catalyst sites, forming the functionalized ZTC. The method further includes incorporating the functionalized ZTC into electrodes, forming a membrane electrode assembly (MEA), and forming the PEM electrolytic cell assembly. The method further includes coupling the PEM electrolytic cell assembly to a heat source.
Absstract of: WO2025174971A1
A method can include coupling sulfur dioxide depolarized electrolysis (e.g., electrochemical oxidation of sulfur dioxide to sulfuric acid with electrochemical reduction of water to hydrogen) with the contact process to facilitate formation of high concentration sulfuric acid with concurrent hydrogen production. The sulfuric acid and hydrogen can optionally be used cooperatively for downstream processes (e.g., metal extraction from ore, fertilizer production, hydrocarbon processing, etc.).
Absstract of: WO2025174066A1
The present application relates to a plasmonic phenomenon-based symmetric ammonia electrolysis system and an ammonia electrolysis method using same. A hybrid electrode, according to embodiments of the present application and the symmetric ammonia electrolysis system comprising same, may reactivate the surface of a catalyst by utilizing plasmonic phenomena during an electrochemical reaction by using a plasmonic-active electrode (antenna-reactor) composite electrode.
Absstract of: WO2025173338A1
This pretreatment method comprises, prior to incorporating a mesh plate (80) into a cell, exposing the mesh plate (80) to ultrasonic waves while the mesh plate (80) is immersed in water. Hydrophilicity of the mesh plate (80) is thereby improved. Stagnation of gas in the mesh plate (80) when an electrochemical reaction is performed in a cell can therefore be suppressed. The efficiency of an electrochemical reaction in a cell can be improved as a result.
Absstract of: WO2025173297A1
A water splitting device for generating hydrogen when irradiated with light, said water splitting device comprising: an electrolytic bath that is filled with an electrolytic solution; and a water splitting cell that is immersed in the electrolytic solution and comprises a laminate in which an anode, a hole transport layer, a Perovskite battery cell, an electron transport layer, and a cathode have been laminated in the given order, and an electrically insulating protective material which covers the outer periphery of the laminate.
Absstract of: WO2025171442A1
The invention is directed to methods of electrolysis and cells used for the same. The method comprising generating and delivering a humidified gas stream or liquid water to an electrolysis cell comprising an anode side, a cathode side and an ion permeable membrane located between them wherein the anode side has a first catalytic layer and the cathode side has a second electrolytic layer, contacting the humidified gas stream or liquid water with the first catalytic layer and contacting a portion of the ion- permeable membrane on the cathode side with liquid water, applying a voltage such that oxygen gas is generated at the anode and hydrogen gas is generated at the cathode. The invention is also related to an electrolytic cell for performing the methods and a kit that allows for retrofitting existing cells to perform the methods.
Absstract of: KR20250125006A
본 발명은 수전해 스택에 관한 것으로서, 직렬로 적층되는 복수의 스택 유닛과, 상기 복수의 스탯 유닛의 양단에 형성되는 엔드플레이트를 포함하여 구성되고, 상기 스택유닛은, 육각형 형상으로 형성되는 복수의 MEA를 포함하고, 상기 복수의 MEA는 인접하는 MEA와 서로 교대로 어긋나게 배치되고, 상기 엔드플레이트는 상기 복수의 MEA의 배치형상에 상응하는 형상을 가지는 것을 특징으로 하며, 복수의 MEA를 병렬로 배치하여 수전해 스택의 용량을 증가시킬 수 있고, MEA를 육각형으로 형성하여 MEA간의 간격이 일정하게 이격되어 MEA간에 전압, 전류 차가 일정하게 유지되어 효율이 높고, 장수명을 기대할 수 있으며, 육각형으로 형성된 복수의 MEA를 2열로 배치하되 서로 교대로 어긋나게 배치하여, 1.5열의 배치에 가깝게 배치할 수 있으므로, 스택유닛이 차지하는 면적을 작게하여 콤팩트하게 제조할 수 있다.
Absstract of: KR20250125005A
본 발명은 수전해 스택에 관한 것으로서, 복수의 장착구멍이 형성된 애노드측 플레이트와, 상기 애노드측 장착구멍에 상응하는 위치에 형성된 복수의 장착구멍을가지는 캐소드측 플레이트와, 상기 장착구멍에 상응하는 구멍을 가지며 상기 애노드측 플레이트와 상기 캐소드측 플레이트가 연결되는 수전해 스택바디와, 상기 장착구멍에 착탈가능하게 삽입되는 복수의 셀 모듈을 포함하여 구성되고, 상기 셀 모듈은, MEA를 포함하며 기둥형상으로 형성되는 MEA유닛과, 애노드측 유닛과, 캐소드측 유닛을 포함하여 구성되고, MEA유닛을 애노드측 플레이트와 캐소드측 플레이트에 착탈하게 구성함과 동시에 MEA유닛을 기둥형으로 복수개가 착탈가능하게 구성함으로써 스택의 용량을 용이하게 증가시킬 수 있고 스택에 용이하게 착탈가능하게 구성하여 조립이 용이하고 경제적인 수전해 스택을 제공할 수 있다. 또한, 기둥형상으로 병렬로 조립하여 고압의 압력을 사용하더라도 MEA가 손상되지 않을 뿐만 아니라 기둥형상의 MEA지지체가 애노드측 플레이트와 캐소드측 플레이트에 단단하게 체결되어 축하중을 지지할 수 있으므로 고압 압력에도 견딜 수 있는 수전해 스택을 제공할 수 있다.
Absstract of: KR20250125178A
본 발명은 수소 생산 원료인 암모니아를 가열하여 분해 반응을 수행하기 위한, 시스템의 준비(start-up), 시스템 질소 퍼징 및 버너 공기공급, 분해반응기 승온, 암모니아 공급, 분해가스 생성확인 및 시스템 정지(shut-down)를 순차적으로 수행하는 정제된 수소를 생산하는 암모니아를 이용한 수소 생산 시스템 및 그 제어방법에 관한 것이다.
Absstract of: US2025250685A1
The water electrolysis system includes: a first cooling device that cools a gas containing a predetermined gas component generated by electrolysis of water to a first cooling temperature that is higher than or equal to a boiling point of the gas component so that the first impurity having a boiling point higher than the first cooling temperature can be separated; a gas-liquid separation device that separates the first impurity from the gas; and a second cooling device that cools the gas from which the first impurity is separated to a second cooling temperature that is lower than the boiling point of the gas component, and liquefies the gas component so that the second impurity having a boiling point lower than the second cooling temperature can be separated as a gas.
Nº publicación: KR20250124793A 20/08/2025
Applicant:
한국전력공사
Absstract of: KR20200094876A
The present invention relates to a solid oxide fuel cell and a solid oxide electrolysis cell. According to the present invention, the solid oxide fuel cell and the solid oxide electrolysis cell comprises, respectively; a flat tubular unit cell (100) having a plurality of tubular through-holes (111a, 111b) for transferring fuel gas formed in a longitudinal direction; an upper cap (200) coupled to one longitudinal end of the flat tubular unit cell (100) and blocking one end of the flat tubular unit cell (100) from the outside while communicating the plurality of tubular through-holes (111a, 111b) with each other; a cell lower slit (300) coupled to the other longitudinal end of the flat tubular unit cell (100), having an opening part (320) opening the plurality of tubular through-holes (111a, 111b) formed therein, and having an insertion groove (330) formed on a lower surface; and a manifold (400) coupled to the cell lower slit (300), having spaces (420, 430) formed therein to communicate with the plurality of tubular through-holes (111a, 111b), including a reaction gas inlet (450) through which the fuel gas is supplied and a reaction gas outlet (460) through which the fuel gas reacting with air is discharged, and dividing the spaces (420, 430) and the plurality of tubular through-holes (111) into halves to form the flow of fuel gas in a U-shape. Accordingly, since a flat tubular unit cell and a flat planar unit cell are divided into halves, respectively, inflow and outflow of t
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