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905
results.
Updated on
02/04/2026 [07:04:00]
Results 825 to 850 of 905
Absstract of: WO2026027698A1
The invention comprises an electrochemical cell stack unit (10) consisting of electrochemical cells, which can be used, for example, as a fuel cell unit for electrochemically generating electrical energy from hydrogen and/or as an electrolysis cell unit for generating hydrogen and oxygen from electrical energy.
Absstract of: US20260035815A1
The present invention relates to a sealing layer for use in an electrolyzer, a separator plate therefor and an electrolyzer. The sealing layer has at least one sealing bead, which, when installed in the stack, in plan view of the sealing layer runs around the flow field of the separator plate in a self-contained manner and has an initial bead height H0 determined before the first compression in the stack, wherein after an initial one-time compression of the sealing layer under nominal compression in the assembled, ready-to-use state of the stack and subsequent disassembly of the stack, the self-contained sealing bead has a bead height H where H≤0.3 H0.
Absstract of: US20260035817A1
This control device for a hydrogen production apparatus is intended to be used for a hydrogen production apparatus including an electrolyzer for electrolyzing water and a rectifier for supplying a direct-current electric power to the electrolyzer, the control device being provided with: a voltage control unit which is configured so as to adjust an output voltage output from the rectifier to the electrolyzer in such a manner that the output voltage of the rectifier is coincident with a set voltage; and a voltage set unit which is configured so as to set the set voltage to a first voltage that is larger than a rated voltage for the electrolyzer in at least a portion of the period during the start-up of the hydrogen production apparatus.
Absstract of: US20260035241A1
The present invention relates to a method and device for producing hydrogen by dissociating the water molecule through thermochemical reactions, using a small amount of active material. The thermochemical reactions are induced by solar energy with a moderate concentration of up to 50 suns, which can be achieved through linear or parabolic concentrators.
Absstract of: US20260035240A1
Disclosed is a catalyst suitable for the catalytic oxidative cracking of a H2S-containing gas stream. The catalyst comprises at least one or more active metals selected from the group consisting of iron, cobalt, and nickel, supported by a carrier comprising ceria and alumina. The active metal is preferably in the form of its sulphide. Also disclosed is a method for the production of hydrogen from a H2S-containing gas stream, comprising subjecting the gas stream to catalytic oxidative cracking so as to form H2 and S2, using a catalyst in accordance with any one of the composition claims.
Absstract of: US20260035816A1
A hydrogen production system including: a first renewable power source, a first electrolyser, and a single stage power converter having an input side and an output side, wherein the input side is connected to the first renewable power source and the output side is connected to the first electrolyser.
Absstract of: US20260035242A1
A hydrogen generation system with controlled water distribution is disclosed. The system comprises a reaction chamber containing a hydrogen-producing fuel, a liquid distribution mechanism, and a control system. The liquid distribution mechanism includes a rotating arm with liquid injection ports that move vertically through the fuel chamber. This allows for precise and efficient liquid delivery to unreacted fuel, optimizing hydrogen production. A proprietary fuel blend utilizes chemicals that store significant amounts of hydrogen in a solid-state form. A feature of the device is the arm's controlled vertical movement, achieved through a screw mechanism that adjusts the arm's height as it rotates, creating a spiral liquid distribution pattern. The control system regulates liquid injection rates, arm rotation speed, and vertical movement to optimize hydrogen production based on demand. The system can also operate at low pressures and be scaled to different sizes in a safer, more efficient, on-demand manner.
Absstract of: JP2026018134A
【課題】水素とホウ素からホウ化水素とそのシートを比較的簡単な方法で生成する製造方法を開発する。【解決手段】ホウ素微粒子２１と、大気圧プラズマ発生装置２７と、水素を含む作動気体を主たる要素とし、前記大気圧プラズマ発生装置２７の前記作動気体として少なくとも水素を大気圧プラズマ発生装置２７に供給し、大気圧プラズマを前記ホウ素微粒子２１に照射することにより、ホウ化水素７とそのシートであるホウ化水素シート８を生成することを特徴とするホウ化水素とそのシートの製造方法である。また、好ましくは、前記作動気体にホウ素微粒子を加えることが望ましい。更に好ましくは、前記容器内に撹拌機と皿を加え、前記皿内に入れた前記ホウ素微粒子に前記大気圧プラズマを照射するように配置することが望ましい。【選択図】図２
Absstract of: JP2026017689A
【課題】各水電解装置の特性劣化を効果的に抑制する。【解決手段】制御システム５０は、複数の水電解装置を含む水電解システムを制御する。制御システム５０は、水電解システムにより使用されるべき電力を示す電力指令値が電力閾値を超過することを含む第１条件と、電力指令値の変化量が変化閾値を超過することを含む第２条件との少なくとも一方の成否に応じて、複数の水電解装置の各々の稼働または停止を決定する動作決定部６１と、電力指令値と動作決定部６１による決定結果とに応じて複数の水電解装置の各々に対する個別指令値を設定する指令値設定部６２とを具備する。【選択図】図７
Absstract of: WO2026023164A1
This purification plant comprises: a temperature swing adsorption (TSA) tower in which unreacted ammonia is adsorbed to an adsorbent and removed from a decomposition gas and from which a resulting treated gas is discharged; a gas-purifying device that separately discharges product gas refined from the treated gas and off-gas; an off-gas heating device that heats the off-gas and supplies same to the TSA tower as regeneration gas for regenerating the adsorbent in the TSA tower; a combustion device that supplies, as a heat source for the off-gas heating device, a portion of a combustion gas resulting from combusting the regeneration gas discharged from the TSA tower; an off-gas flow path that circulates the off-gas through the combustion device; and a combustion-gas flow path that circulates the combustion gas through the off-gas heating device.
Absstract of: TW202511178A
To provide: an ammonia-hydrogen mixed fuel production apparatus capable of stably obtaining hydrogen from ammonia even when there is a change in the required ratio of fuel; and a fuel supply system. An ammonia-hydrogen mixed fuel production apparatus 1010A comprises: an oxygen separation device 13 that separates oxygen (O2) 12 at a desired concentration from air 11; a reforming reactor 15 that converts ammonia (NH3) supplied from a raw material supply unit 14 into hydrogen (H2) by using the oxygen having the desired concentration from the oxygen separation device 13; and a gas component analyzer 17 that measures the concentration of one or both of hydrogen and ammonia in a reformed gas 16 from the reforming reactor 15.
Absstract of: DE102024207270A1
Die Erfindung betrifft ein Verfahren zum Betreiben eines Elektrolysesystems (1), umfassend einen Elektrolysestack (2) mit einer Anode (2.1) und einer Kathode (2.2) sowie einen Elektrolytkreislauf (3), über den der Anode (2.1) ein Elektrolyt, vorzugsweise Wasser oder eine wässrige Lösung, zugeführt wird, wobei in den Elektrolytkreislauf (3) eine Kühleinrichtung (4) integriert ist, mit deren Hilfe der Elektrolyt gekühlt wird, bevor er über den Elektrolytkreislauf (3) erneut der Anode (2.1) zugeführt wird. Das Verfahren zeichnet sich erfindungsgemäß durch folgende Schritte aus:a) Prognostizieren einer maximal verfügbaren Kühlleistung der Kühleinrichtung (4),b) Bestimmen der Elektrolyt-Temperatur im Elektrolytkreislauf (3) stromabwärts der Kühleinrichtung (4) und stromaufwärts einer temperaturkritischen Komponente (5), vorzugsweise eines Ionentauschers, die bzw. der in einem Nebenpfad (6) angeordnet ist, der stromabwärts der Kühleinrichtung (4) über ein Ventil (7) mit dem Elektrolytkreislauf (3) verbundenen ist, wobei die Elektrolyt-Temperatur anhand der in Schritt a) prognostizierten maximal verfügbaren Kühlleistung bestimmt wird,c) Vergleichen der in Schritt b) bestimmten Elektrolyt-Temperatur mit einem vorab definierten Maximalwert sowied) zumindest teilweises Schließen des Ventils (7), wenn der Vergleich in Schritt c) ergibt, dass der Maximalwert überschritten wird.Die Erfindung betrifft ferner ein Elektrolysesystem (1), das zur Durchführung des Verfah
Absstract of: EP4686773A1
A frame assembly (Fr.Ass) comprising a frame (TF) configured to be integrated in a stack of frames of an electrolyzer, the frame comprising a central opening (CentOp), a first through opening (In<sub>2</sub>, Out<sub>2</sub>), a top surface (Top) and a bottom surface (Bot) opposed to the top surface (Top), the frame further comprising an open channel (OpCh) on the bottom surface (Bot), the frame assembly comprising a bipolar plate (BP) formed from a polymer material, the bipolar plate being arranged so as to seal the open channel (OpChan), the bipolar plate being welded to the frame (TF).
Absstract of: EP4686774A1
A frame assembly (Fr.Ass) comprising a frame (TF) configured to be integrated in a stack of frames of an electrolyzer, the frame comprising a central opening (CentOp), a first through opening (In<sub>2</sub> , Out<sub>2</sub> ), a top surface (Top) and a bottom surface (Bot) opposed to the top surface (Top), the frame further comprising an open channel (OpCh) on the bottom surface (Bot), the frame assembly comprising a bipolar plate (BP) formed from a polymer material, the bipolar plate being arranged so as to seal the open channel (OpChan), the bipolar plate being welded to the frame (TF).
Absstract of: EP4686772A1
The installation (10), comprises a piece of equipment delimiting an electrolyte storage or/and circulation volume (200), the piece of equipment comprising a metal wall (202) having an inner surface (208) facing the electrolyte storage or/and circulation volume (200).The piece of equipment further comprises:- a polymer adhesive protection layer (220) applied on the inner surface (208) of the metal wall (202) ;- a polymeric liner (222) positioned between the polymer adhesive protection layer (220) and the electrolyte storage or/and circulation volume (200), the polymeric liner (222) having an electrolyte contact surface (232) delimiting the electrolyte storage or/and circulation volume (200).
Absstract of: EP4686505A1
The present disclosure relates to a system suitable for photocatalysis comprising a semiconductor and selective contacts, the selective contacts being at least two, wherein the selective contacts are attached to the semiconductor; and the selective contacts comprise an electron transport layer and a hole transport layer. It also relates to a method to produce a system suitable for photocatalysis comprising the steps of: providing a sol-gel precursor of the semiconductor; dissolving the sol-gel precursor in a polar solvent; adding acid to the dissolution and stirring the dissolution to obtain a sol of the semiconductor; depositing the semiconductor in a suitable substrate; submitting the deposited semiconductor to a temperature of at least 300 °C for at least 1 hour to obtain a thin film of semiconductor; depositing on the semiconductor an electron transport layer and/or a hole transport layer. The present disclosure also relates to a method to obtain hydrogen from water or alcohol comprising the steps of contacting the system defined with water and/or alcohol, and irradiating the system as defined with light.
Absstract of: EP4686717A1
A process or plant for the synthesis of methanol (MeOH). The process comprises:(a) passing a water-containing stream (3) through an electrolysis unit (4) to produce a cathode-side stream (5) comprising hydrogen (H<sub>2</sub>) and an anode-side stream (6) comprising oxygen (O<sub>2</sub>);(b) heat-exchanging said cathode-side stream (5) and optionally said anode-side stream (6) in one or more indirect heat exchanger(s) (7, 8, 32, 33) to obtain a cathode-side heat-exchanged stream (9) and optionally an anode-side heat-exchanged stream (10);(c) condensing said cathode-side heat-exchanged stream (9) to separate a liquid condensate product (11) and a syngas (12);said cathode-side stream (5) and/or said syngas (12) comprise carbon dioxide (CO<sub>2</sub>) and optional carbon monoxide (CO) added through a separate stream (2);(d) compressing said syngas (12) and then feeding compressed syngas (13) to a MeOH synthesis loop (14) wherein catalytic conversion of said compressed syngas (13) into MeOH is carried out under methanol synthesis conditions, thus obtaining a crude methanol stream (15);(e) distilling said crude methanol stream (15) in one or more distillation column(s) (16, 17) to give a refined MeOH product (22);wherein said one or more indirect heat exchanger(s) (7, 8, 32, 33) provide a heat input to said one or more distillation column(s) (16, 17), and/or to said MeOH synthesis loop (14), and/or to said electrolysis unit (4).
Absstract of: TW202503114A
Provided are a gas production method and a gas production apparatus that are capable of preventing the composition of generated gas in a gas phase part of each circulation tank from reaching a flammability limit to reduce a bad effect of a remaining dissolved gas in electrolyte on gas purity even when an electrolyte exchange is carried out between an anode side circulation tank and a cathode side circulation tank. In the gas production method of producing oxygen gas and hydrogen gas by electrolyzing electrolyte which is alkaline water by means of an electrolysis vessel, the electrolyte is depressurized when an electrolyte on the anode side and an electrolyte on the cathode side are exchanged.
Absstract of: US2024401524A1
The present disclosure relates to a gas turbine plant that decomposes ammonia and supplies it as fuel to a combustor of a gas turbine. The gas turbine plant supplies sufficient heat to the ammonia in order to thermally decompose the ammonia effectively, and separates the residual ammonia present in the decomposition gas and supplies it to a combustor of the gas turbine.
Absstract of: JP2026017230A
【課題】水素発生の起動と停止を繰り返し行う場合でも、隔膜への触媒付着を抑え、長期にわたって安定運転可能なアルカリ水電解セルを提供する。【解決手段】隔膜１と、該隔膜１を隔てて配置された酸素発生陽極２及び水素発生陰極３とを具え、酸素発生陽極２と水素発生陰極３の少なくともいずれか一方の電極が、導電性基材２ａ，３ａと、該導電性基材の表面上に配置された触媒層２ｂ，２ｃ，３ｂ，３ｃとを含み、前記隔膜１と向かい合わせる面から蛍光Ｘ線分析法を用いて解析した触媒層２ｃ，３ｃの金属原子濃度／導電性基材２ａ，３ａの金属原子濃度比Ｒ１と、隔膜１と反対の面から蛍光Ｘ線分析法を用いて解析した触媒層２ｂ，３ｂの金属原子濃度／導電性基材２ａ，３ａの金属原子濃度比Ｒ２との比（Ｒ１／Ｒ２）の値が０以上１未満であることを特徴とする、アルカリ水電解セル１０である。【選択図】図１
Absstract of: JP2026017267A
【課題】従来よりも高い耐久性を発揮する観点から有利な新規の水電解用電極を提供する。【解決手段】水電解用電極１は、導電性基材１０と、層状複水酸化物（ＬＤＨ）層２０とを備えている。ＬＤＨ層２０は、導電性基材１０上に設けられている。ＬＤＨ層２０の最小厚みｔ20は、５４０ｎｍ未満である。【選択図】図１
Absstract of: JP2026017268A
【課題】従来よりも高い耐久性を発揮する観点から有利な新規の水電解用電極を提供する。【解決手段】水電解用電極１は、導電性基材１０と、層状複水酸化物（ＬＤＨ）層２０とを備えている。ＬＤＨ層２０は、導電性基材１０上に設けられている。ＬＤＨ層２０のクラック頻度は、０．１８個／μｍ未満である。ＬＤＨ層２０のクラック頻度は、導電性基材１０とＬＤＨ層２０との間の単位界面長さ当たりのＬＤＨ層２０におけるクラックの個数である。【選択図】図１
Absstract of: CN121241457A
The invention relates to a gas conduit arrangement (10) for conveying high-temperature gas between high-temperature fuel cell stacks (SOFC stacks). According to the invention, the gas conduit device (10) has a conduit body (11) made of a ceramic material in order to electrically insulate potentials at both axial ends of the conduit body (11).
Absstract of: WO2025012277A1
The invention relates to a method for the preparation of H2 from NH3. NH3 is introduced into a fixed-bed reactor at a gas temperature in the range from 550 to 850°C, in which fixed-bed reactor NH3 is decomposed on an NH3 decomposition catalyst partly into H2 and N2. The gas mixture obtained in this manner is discharged from the fixed-bed reactor at a gas temperature in the range from 300 to 700°C, is heated to a temperature in the range from 550 to 700°C and is then introduced into a tubular reactor in which further NH3 is decomposed on a nickel-based NH3 decomposition catalyst into H2 and N2. The gas mixture obtained in this manner is discharged from the tubular reactor at a gas temperature in the range from 550 to 750°C.
Nº publicación: JP2026017255A 04/02/2026
Applicant:
株式会社ＳＣＲＥＥＮホールディングス
Absstract of: JP2026017255A
【課題】触媒層における気液の入れ替わりを円滑化できる技術を提供する。【解決手段】膜・触媒層接合体は、電解質膜と、電解質膜の表面に形成された触媒層と、を備える。触媒層は、第１アイオノマー８３および第２アイオノマー８４を含む。第２アイオノマー８４のＥＷ値は、第１アイオノマー８３のＥＷ値よりも高い。このようにすれば、触媒層中に、第１アイオノマー８３により比較的親水性が高くなる第１領域Ａ１と、第２アイオノマー８４により比較的親水性が低くなる第２領域Ａ２とが形成される。これにより、触媒層において、気液の入れ替わりを円滑に行うことができる。【選択図】図４
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