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927
results.
Updated on
06/04/2026 [07:00:00]
Results 125 to 150 of 927
Absstract of: JP2026049210A
【課題】従来のＣｏ酸化物助触媒と比較して、水の酸化に対する活性が高い可視光応答光触媒用の助触媒、助触媒を含む光触媒材、光触媒材を含む分散液、分散液を含む組成物、分散液の乾燥物または組成物の硬化物である塗膜、および塗膜を有する基材を提供する。【解決手段】コバルトと、鉄およびニッケルの少なくとも１種と、を含む、可視光応答光触媒用の助触媒。イリジウムをドープしたチタン酸ストロンチウム粒子と、前記チタン酸ストロンチウム粒子に担持した助触媒と、を含む、光触媒材。【選択図】なし
Absstract of: CN121443774A
The present invention relates to a method of synthesizing a transition metal catalyst consisting of electrodeposition on a substrate electrode from an electrolyte solution comprising at least one transition metal precursor wherein the electrodeposition is carried out at a deposition current density of 500 to 2000 mA/cm2. The invention also relates to a transition metal catalyst characterized in that it is stable on a base electrode at a current density of at least 400 A/cm2 for at least 30 minutes.
Absstract of: WO2024231175A1
The present invention concerns composite casing structures for electrolytic cells wherein each casing structure is made of a plurality of casing components, optionally made of at least two different materials, which are subsequently joined together to form a structure suitable to house one or more of the following elements: electrodes, separators, bipolar elements, elastic elements and/or current collectors. The casing structure may be advantageously employed in electrolysers for high pressure alkaline water electrolysis.
Absstract of: US20260055522A1
Provided herein is a hydrogen gas production assembly includes a hydrogen gas production device, a container including an aqueous electrolyte solution, a storage container for storing produced hydrogen gas an input providing the aqueous electrolyte solution from the container to the hydrogen gas production device and an output for transferring produced hydrogen gas from the hydrogen gas production device to the storage container.
Absstract of: EP4711506A1
Provided are an electrochemical cell and an electrochemical device that are easily manufactured and capable of retrofitting. The electrochemical cell includes: a first plate and a second plate between which an anode chamber and a cathode chamber are respectively formed on respective opposing inner surface sides thereof; and a sealing portion provided between the first plate and the second plate, in which the sealing portion includes plural frame bodies disposed at intervals from an inner side to an outer side, and plural sealing members disposed between the plural frame bodies and disposed in a compressed state between the first plate and the second plate. The electrochemical device includes the electrochemical cell.
Absstract of: GB2700815A
A hydrogen extraction system for extracting hydrogen from a liquid electrolyte 102 comprising at least one isotopologue of lithium hydride (LiH), the system including an electrolysis cell 100 comprising an anode 108 for generating hydrogen from the liquid electrolyte 102, a cathode 110 spaced apart from the anode 108, and a solid-state electrolyte 112 comprising a lithium-containing high entropy oxide (HEO) material physically isolating the cathode 110 from the liquid electrolyte 102 and conducting lithium ions from the liquid electrolyte 102 to the cathode 110. Use of a HEO comprising solid-state electrolyte in the electrolytic extraction of hydrogen from a liquid electrolyte comprising at least one isotopologue of lithium hydride, and a method of extracting hydrogen from a liquid electrolyte comprising at least one isotopologue of lithium hydride using the extraction system are defined. Further specified is a tritium breeding system comprising the hydrogen extraction system and a breeder blanket, the breeding system configured to supply liquid electrolyte comprising at least one tritium-containing isotopologue of lithium hydride to the electrolysis cell from the breeder blanket and to return liquid electrolyte to the breeder blanket from the electrolysis cell following electrolysis of the at least one tritium-containing isotopologue of lithium hydride. Figure 1
Absstract of: CN121311631A
Composite proton exchange membranes are described. The composite proton exchange membrane comprises three layers, wherein the three layers comprise a proton exchange membrane layer, a continuous nonporous organic-inorganic composite coating layer and a continuous nonporous cross-linked polyelectrolyte multilayer coating. Catalyst coated membranes incorporating the composite proton exchange membranes and methods of making the composite proton exchange membranes are also described.
Absstract of: CN121368648A
The present invention relates to an electrolysis system comprising: a tank adapted to contain water or an aqueous solution; the electrolysis array comprises a conductive plate; the temperature-resistant cathode is close to but separated from the cathode end of the electrolysis array; a cell anode proximate but spaced apart from opposing anode ends of the electrolysis array; wherein a cathode terminal and an anode terminal of the electrolysis array are electrically connected to a cathode terminal and an anode terminal of a first power source adapted to provide direct current (DC) power thereto, respectively; the temperature-resistant cathode and the tank anode are electrically connected to a negative terminal and a positive terminal of a second power source adapted to provide DC power thereto, respectively; and at least the temperature resistant cathode is adapted to generate a plasma arc in the water or aqueous solution between the end of the temperature resistant cathode and the closest plate in the electrolysis array.
Absstract of: EP4711504A1
An ink 1a for water electrolysis electrode catalyst includes a catalyst 11, a support 15, an organic polymer 12, and a solvent 13 including water. The catalyst 11 includes at least one transition metal. The support 15 supports the catalyst 11 and includes a transition metal. The organic polymer 12 includes a water-insoluble polymer 12b and a nonionic water-soluble polymer 12a.
Absstract of: EP4711483A1
The present invention provides a heat-resistant alloy that is excellent in nitriding resistance and high-temperature creep rupture strength. The heat-resistant alloy of the present invention comprises, in mass %, C: 0.2% to 0.6%, Si: greater than 0% to 2.5% or less, Mn: greater than 0% to 2.0% or less, P: 0.03% or less, S: 0.03% or less, Ni: 33.0% to 50.0%, Cr: 24.0% to 50.0%, with the remainder being Fe and impurities, and optionally including: Nb: greater than 0% to 1.8% or less, Rare Earth Elements: greater than 0% to 0.5% or less, Ti: greater than 0% to 0.5% or less and/or Zr: greater than 0% to 0.5% or less, W: greater than 0% to 2.0% or less and/or Mo: greater than 0% to 0.5% or less.
Absstract of: GB2644070A
A system comprising an electrochemical half cell which operates to form a gas at a solid surface, which may be an electrode 54,55. The electrolyte liquid contains an additive which is a high molecular weight flexible linear polymer or viscoelastic linear surfactant. A flow path through the half cell 51L, 51R is configured to compel flow of liquid through the half cell 51L, 51R to make a succession of changes of direction. The electrolyte liquid is pumped through the half cell 51L, 51R at a rate which is sufficient that the additive and flow path configuration put the flowing electrolyte in a state of elastic turbulence which causes bubbles of gas to detach from the surface on which they are formed while they are still small freeing the surface for further reaction. The half cell 51L, 51R may be part of an electrolyser making hydrogen and oxygen from water.
Absstract of: EP4711036A1
A system can include a catalytic reactor heated using magnetic induction to perform a magnetically induced decomposition reaction. The catalytic reactor can include a housing coupled with a feedstock source to receive a flow of an inorganic compound in gaseous form that can flow through the catalytic reactor. The housing can include a metal-based catalyst selected to decompose the inorganic compound into one or more reaction products within a predefined temperature range. The metal-based catalyst can include a heating agent that can increase in temperature when exposed to a magnetic field. A coil can be positioned around the housing to provide the magnetic field to heat the metal-based catalyst using magnetic induction to be within the predefined temperature range.
Absstract of: EP4711499A1
An electrochemical half-cell operates to form a gas at a solid surface which may be an electrode. The electrolyte liquid contains an additive, which is a high molecular weight flexible linear polymer or a viscoelastic linear surfactant. A flow path through the half-cell is configured to compel flow of liquid through the half-cell to make a succession of changes of direction. The electrolyte liquid is pumped through the half-cell at rate which is sufficient that the additive and flow path configuration put the flowing electrolyte in a state of elastic turbulence which causes bubbles of gas to detach from the surface on which they are formed while they are still small, freeing the surface area for further reaction. The half-cell may be part of an electrolyser making hydrogen and oxygen from water.
Absstract of: EP4711495A1
The present invention relates to an electrolyser cell stack (100) for producing a hydrogen-based e-fuel, including an electrochemical system (10) with a plurality of electrolyser cells for an electrochemical reaction of water with electric power, an electrical system (20) for supplying electric power to the stacked electrolyser cells, and a compression system (30) with compression plates (33) for compressing at least the electrochemical system (10) in a stacking direction (D). According to the invention, the electrochemical system (10) is divided into at least two parallel stacked sub-stacks (11) of the electrolyser cells arranged within an area (A) of the compression plates (33), for a common compression of all sub-stacks (11) by the same compression system (30).
Absstract of: WO2024230958A1
An electrochemical device (10'), with a cell stack consisting of a plurality of cell stack elements, with a force application unit (13) which exerts a force on the cell stack in order to press the cell stack elements of the cell stack fluid-tightly in sealing regions (17) of the cell stack, wherein the force application unit (13) is designed in such a manner that the force for pressing the cell stack acts on the cell stack and therefore on the sealing regions (17) of the cell stack depending on the operating state of the electrochemical device (10').
Absstract of: EP4711327A1
A corrosion-resistant system, a carbon-free power generation and fuel cell system comprising the corrosion-resistant system, and a method for ammonia decomposition utilizing said corrosion-resistant system are provided. The corrosion-resistant system includes: an ammonia supply unit; a first pipe connected to the ammonia supply unit; an ammonia decomposition unit comprising a chamber connected to the first pipe; and a second pipe connected to the chamber, wherein the chamber is configured to operate at an operating temperature of 410°C or lower, the first pipe and the chamber comprise at least one selected from the group consisting of carbon steel, low alloy steel, stainless steel and a nickel-based alloy, and the second pipe comprises a nickel-based alloy (NT) satisfying Equation 1 below. T≤15μm
Absstract of: EP4711328A1
Disclosed are an ammonia supply system, a hydrogen production system, a carbon-free power generation system and a fuel cell system. The ammonia supply system includes: an ammonia supply unit; an ammonia demand unit; a connection line that is arranged to connect the ammonia supply unit and the ammonia demand unit; a hydrogen supply unit; and one or more first hydrogen supply lines that are arranged to connect the hydrogen supply unit and the connection line, and are configured to supply a hydrogen gas stream, wherein the connection line includes a first pipe configured to be controlled to an average temperature of 410°C or lower and a second pipe configured to be controlled to an average temperature of greater than 410°C, and the second pipe includes a nickel-based alloy (NT) satisfying Equation 1 below. T≤15μm,
Absstract of: FI20246132A1
The application relates to a method and an apparatus for forming a feedstock for a steam cracking process. Hydrogen gas (4) and a feed (1) comprising at least carbon dioxide are fed to a first reactor (2) in which the feed reacts with the hydrogen to form a synthesis gas (3) comprising at least carbon monoxide, and the synthesis gas is supplied to a second reactor (6) in which the synthesis gas is treated in the presence of a synthesis catalyst to form a hydrocarbon composition (7) comprising at least naphtha range hydrocarbons. Undesired hydrocarbons, unreacted gases and/or water are separated from the hydrocarbon composition (7) and a fraction of the hydrocarbon composition (8) which comprises at east naphtha range hydrocarbons is formed. The fraction of the hydrocarbon composition is treated by a hydrotreatment (10) in which hydrogenation and hydrodeoxygenation reactions are carried out in the presence of at least one hydrotreatment catalyst in one or more reactors for modifying the fraction (8) to form a modified hydrocarbon composition (11), and the feedstock is formed from the modified hydrocarbon composition.
Absstract of: WO2026059005A1
A reaction cell for an ammonia electrolysis reaction and an electrochemical hydrogen extraction system including same are disclosed. Specifically, a reaction cell (10) for use in an ammonia electrolysis reaction is provided, the reaction cell (10) comprising: an anode (100) comprising a first metal; a cathode (200) comprising a second metal; and a separator (300) positioned between the anode and the cathode and comprising a cation exchange membrane (310). The present invention provides a hydrogen production technology based on anhydrous ammonia electrolysis through cation exchange, thereby enabling production of high-purity, high-pressure hydrogen with low energy consumption.
Absstract of: KR20260037813A
본 발명은 탄소 섬유 기판, 상기 기판 상에 코팅된 전도성 고분자층, 상기 전도성 고분자층 상에 형성된 나노 섬유층을 포함하며, 상기 나노 섬유층은 니켈 코발트 옥시하이드록사이드를 포함하는 전기화학 촉매에 관한 것으로서, 보다 상세하게는, 탄소 섬유, 전도성 고분자 및 니켈 코발트 옥시하이드록사이드를 포함함으로써 바인더가 필요하지 않고 수소 발생 반응, 산소 발생 반응 및 요소 산화 반응에 모두 사용될 수 있는 다기능 전기화학 촉매에 관한 것이다.
Absstract of: US20260070784A1
A hydrogen generating device may include a water supply device for cartridges; a first hydrogen supply valve provided in a first hydrogen supply passage through which hydrogen gas is supplied from the first cartridge to a buffer tank; a second hydrogen supply valve provided in a second hydrogen supply passage through which hydrogen gas is supplied from the second cartridge to the buffer tank; and a main hydrogen supply passage for supplying hydrogen gas from the buffer tank to outside. For switching a hydrogen supply source from the first cartridge to the second cartridge, a controller may perform: a first process to stop supplying water to the first cartridge and supply water to the second cartridge with the second hydrogen supply valve closed, and a second process to open the second hydrogen supply valve to supply hydrogen gas from the second cartridge to the buffer tank.
Absstract of: JP2026049668A
【課題】高純度の水素ガスを製造できる装置を提供する。高純度の水素ガスを製造できる方法を提供する。【解決手段】陰極と、前記陰極の一方側に対向して配されている陽極と、前記陰極と前記陽極の間に配されている固体電解質部材とを有する水素ガス製造装置であって、前記陰極の他方側に水素ガス回収通路が配されている水素ガス製造装置。【選択図】図３
Absstract of: JP2026049255A
【課題】電力コストを抑制しながら、酸素極の電位の低下を抑制できる水電解システムを提供する。【解決手段】水素極および酸素極を有する水電解システムは、水電解システムの停止時に、水素極に対する酸素極の電位差である電圧を測定する電圧測定部と、測定された電圧が予め定められた閾値まで低下した場合に、酸素極に酸素を含む気体を供給する酸素供給部と、を備える。【選択図】図１
Absstract of: WO2025028897A1
The present invention relates to a catalyst for decomposition of ammonia and a method for decomposition of ammonia. The catalyst comprises a carrier and a catalytically active component supported by the carrier, the catalytically active component comprising; i) ruthenium as a first metal; ii) a second metal; and iii) a third metal, wherein the second metal and the third metal are each independently at least one selected from the group consisting of lanthanum (La), cerium (Ce), aluminum (Al), and zirconium (Zr).
Nº publicación: EP4711496A1 18/03/2026
Applicant:
TOSHIBA KK [JP]
KABUSHIKI KAISHA TOSHIBA
Absstract of: EP4711496A1
The electrochemical reaction device includes: an electrochemical reaction structure including a cathode, an anode, a diaphragm having a first surface on the cathode and a second surface on the anode, a cathode flow path, and an anode flow path; a first flow path through which a first fluid containing a reducible material to the cathode flow path flows; a second flow path through which a second fluid containing water to the anode flow path flows; a third flow path through which a third fluid containing the reduction product from the cathode flow path flows; and a fourth flow path through which a fourth fluid containing water and oxygen from the anode flow path flows. The diaphragm has concentration gradient in which a concentration of a chemical species decreases from the second surface to the first surface, the chemical species being configured to decompose, capture, or inactivate an active oxygen specie.
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