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598
results.
Updated on
23/12/2025 [06:59:00]
Results 250 to 275 of 598
Absstract of: JP2025171336A
【課題】本発明は、酸化防止と共に菌の増殖を抑制して食品や化粧品等の劣化を抑制可能な水素発生材料を提供することを目的とする【解決手段】本発明の水素発生材料は、複数の粒子状水素発生剤と抗菌剤がマトリックス樹脂中に分散されており、前記マトリックス樹脂中に、粒子状水素発生剤は０．６重量％以上６重量％以下、前記抗菌剤は０．１重量％以上１０重量％以下含有している。【選択図】図１
Absstract of: JP2025171628A
【課題】容器の破損を抑制しつつ、水素を発生させる反応容器の技術の提供。【解決手段】水素化ホウ素ナトリウムと水と酸とから、水素と四ホウ酸ナトリウムとを生成させる反応容器が提供される。この反応容器は、前記四ホウ酸ナトリウムが収容される反応容器であって、水和によって体積が膨張した前記四ホウ酸ナトリウムを許容する許容構造を有する反応容器。【選択図】図２
Absstract of: US2025354275A1
Systems and methods are provided for integration of molten carbonate electrolysis cells in applications for hydrogen production and for operating turbines using oxycombustion. In some aspects, the unusual output flows from an MCEC (or more typically a plurality of MCECs) can be synergistically used in combination with reverse flow reactors and/or partial oxidation units to allow for hydrogen production while also performing carbon capture. In other embodiments, the anode output from an MCEC (or a plurality of MCECs) can be used as the oxygen-containing gas for a combustion turbine or a furnace.
Absstract of: CN120476490A
The present invention provides a reinforced ion conducting membrane comprising: (a) a reinforcement layer comprising a porous polymer structure; and (b) a polymer ion conducting membrane material impregnated within the porous polymer structure; wherein the porous polymer structure comprises a polymer backbone based on a nitrogen-containing heterocyclic ring, and the polymer ion-conducting membrane material has a transition temperature T alpha in the range of from 60 DEG C to 80 DEG C and including end values.
Absstract of: KR20220009803A
The present invention relates to an energy production complex system based on a liquid compound, including: a water electrolysis device unit for electrolyzing water to produce hydrogen; a hydrogen storage device unit for reacting the hydrogen produced by the water electrolysis unit with a first liquid compound to allow the first liquid compound to become a second liquid compound in which hydrogen is stored; a hydrogen desorption device unit for desorbing the hydrogen stored in the second liquid compound into hydrogen and the first liquid compound; and a fuel cell unit for generating power by receiving the hydrogen desorbed from the hydrogen desorption device unit.
Absstract of: CN120476092A
The invention relates to a method for producing hydrogen from ammonia, comprising: ammonia cleavage in which the ammonia is decomposed into hydrogen and nitrogen, the ammonia cleavage being carried out in a sequence of cleavage steps (13, 36, 17, 20), and a final cleavage stream (21) being obtained after the final cleavage step (20), the final ammonia cracking step (20) is carried out in an adiabatic manner and/or after the final cracking step, the final cracking stream (21) is quenched by direct mixing with water or steam.
Absstract of: EP4650490A1
A water electrolysis cell according to an embodiment includes: an anode electrode including an anode catalyst layer in which anode catalyst sheets are stacked via a gap, each anode catalyst sheet containing iridium oxide and being in the form of a nanosheet; a cathode electrode including a cathode catalyst layer in which cathode catalyst sheets are stacked via a gap, each cathode catalyst sheet containing platinum and being in the form of a nanosheet; and an electrolyte membrane containing a hydrocarbon-based material, placed between the anode electrode and the cathode electrode.
Absstract of: EP4650492A1
Provided is an electrolysis system (100) including an electrolysis module (10); a water vapor supply system (40) that supplies water vapor to a hydrogen electrode; a hydrogen recovery system (50) that recovers hydrogen-enriched water vapor; an air supply system (20) that supplies air to an oxygen electrode; an oxygen recovery system (30) that recovers exhaust air; a hydrogen-enriched water vapor release system (60) that releases hydrogen-enriched water vapor from the hydrogen recovery system (50) into the atmosphere; an exhaust air release system (70) that releases exhaust air from the oxygen recovery system (30) into the atmosphere; a hydrogen-enriched water vapor discharge valve (63) disposed in the hydrogen-enriched water vapor discharge system (60); and an exhaust air discharge valve (73) disposed in the exhaust air discharge system (70), wherein the opening degrees of the hydrogen-enriched water vapor discharge valve (63) and the exhaust air discharge valve (73) are controlled to be adjustable when the electrolytic module (10) is stopped.
Absstract of: EP4650491A1
Provided is an electrolysis cell system with energy efficiency improved. An electrolysis cell system (10) includes: an electrolysis cell (11) that has an anode and a cathode and generates hydrogen on the cathode and oxygen on the anode by electrolyzing steam supplied to the cathode; a supply line (20) that supplies air that controls the temperature of the electrolysis cell (11), to the electrolysis cell (11); an exhaust line (30) through which the air exhausted from the electrolysis cell (11) flows; a circulation line (40) that guides the air exhausted to the exhaust line (30), to the supply line (20); and a supply air temperature control heat exchanger (28) that controls the temperature of the air to be supplied to the electrolysis cell (11).
Absstract of: DK202300028A1
In an electrolyser (1) stack for production of hydrogen gas, multiple bipolar electrically conducting metal seperator plates (21, 25) sandwich membranes. Each seperator plate has raised surface portions (50) towards the membrane (23), forming minor gas channels (40) between the seperator plate (21, 25) and the membrane (23) for transort of produced gas along the seperator plate (21, 25). Each structured area (30A, 30B) with the minor channels (40) is surrounded by a combination of an upper major channel (41) above and a lower major channel (47) below the first structured area (30A), as well as a first major channel (42) and second major channel (49) connecting the lower major channel (47) with the upper major channel (41) on a first and second side. Gas flow through the channels leads to circulation of electrolyte through and around the structured areas (30A, 30B).
Absstract of: EP4650488A1
The invention concerns a water electrolysis installation comprising:* a dioxygen separator (60) configured to separate a mixture of electrolyte and dioxygen (28B) and to obtain an electrolyte with dissolved dioxygen (61);* a dihydrogen separator (49) to separate a mixture of electrolyte and dihydrogen (28A) and to obtain an electrolyte with dissolved dihydrogen (51);* a recombination zone (32) configured to receive the electrolytes to produce, at a mixing region (68), a mixed electrolyte stream,The installation comprises a dihydrogen and/or dioxygen depleting system (70), comprising a catalyst configured to react dioxygen and dihydrogen dissolved in the mixed electrolyte stream, to produce a treated electrolyte stream (34) with reduced dioxygen and dihydrogen. The depleting system (70) is positioned in contact with the mixed electrolyte stream downstream of the mixing region (68) and upstream of the inlet of the electrochemical stack device.
Absstract of: EP4650487A1
The process comprises:- recovering a mixture of electrolyte and dioxygen from an anodic compartment (19B) and separating it in a dioxygen separator (60) to obtain a dioxygen stream and a dioxygen containing electrolyte stream;- recovering a mixture of electrolyte and dihydrogen from an cathodic compartment (19A) and separating it in a dihydrogen separator (49) to obtain a dihydrogen stream and a dihydrogen containing electrolyte stream ;- recirculating the dioxygen containing electrolyte stream and the dihydrogen containing electrolyte stream.Upon detection of conditions susceptible of leading to a dioxygen to dihydrogen ratio greater than a safety OTH threshold in the cathodic compartment (19A) or/and to a dihydrogen to dioxygen ratio greater than a safety HTO threshold in the anodic compartment (19B), flushing dihydrogen in electrolyte fed to the or each cathodic compartment (19A), and/or flushing dioxygen in electrolyte fed to the or each anodic compartment (19B).
Absstract of: EP4650904A1
A system and a method for stabilizing hydrogen flow to a downstream process in a facility determining a hydrogen density and pressure profiles in the hydrogen storage unit for different target net hydrogen flows at different time intervals of a time horizon of a renewable power availability profile, determining an operating target net hydrogen flow of a hydrogen feed to the downstream process, determining a target direct hydrogen flow of a hydrogen feed and a target stored hydrogen flow of a hydrogen feed to the downstream process, and controlling the operation of the downstream process based on the operating target hydrogen flows.
Absstract of: EP4650493A1
The present invention relates to a method of preparing a composite material, in particular one useful as a catalyst in an electrolytic hydrogen evolution reaction and/or the oxygen evolution reaction and/or urea oxidation-assisted water electrolysis. Provided is a method of preparing a composite material, the method comprising the steps of:(i) electrochemically depositing material onto a substrate from a deposition solution comprising a nickel (II) salt and graphene oxide, to obtain a nickel-reduced graphene oxide composite material comprising nickel dispersed on reduced graphene oxide, said composite material being deposited on the substrate;(ii) after step (i), placing the substrate, having the nickel-reduced graphene oxide composite deposited thereon, in an alkaline solution along with a counter electrode; and(iii) after step (ii), partially electrochemically oxidising the nickel, to obtain a partially oxidised nickel-reduced graphene oxide composite material comprising partially oxidised nickel dispersed on reduced graphene oxide, said composite material being deposited on the substrate.The composite of the invention demonstrates high catalytic activity for electrolytic hydrogen production under alkaline water electrolysis conditions (for example, a hydrogen evolution current of up to 500 mA cm<sup>-2</sup> at -1.35 V against a Reversible Hydrogen Electrode). High activity is demonstrated even when the substrate (on which the composite is deposited) does not c
Absstract of: EP4650486A1
The present invention relates to a membrane electrode assembly (100) for a stackable electrolyser cell. The membrane electrode assembly (100) comprises a catalyst coated membrane (CCM) member (110) with a polymer membrane (111) that is at least partially coated with a catalyst coating (112, 113), a frame member (140) for mechanical reinforcement, two porous transport layers (121, 122), and an adhesive layer (150). The adhesive layer (150) forms an adhesive bond between the CCM member (110) and at least the frame member (140) and further, comprises an adhesive overlap section (151) that overlaps with a frame overlap section (141) of the frame member (140). The adhesive overlap section (151) extends inwardly with respect to the peripheral area (115) beyond the frame overlap section (141) to delimit a process area (116) of the CCM member (110). The invention relates further to a solid polymer electrolyte electrolyser cell stack with such membrane electrode assembly (100) and a method of manufacturing said membrane electrode assembly (100).
Absstract of: WO2024200433A1
The invention relates to a membrane electrode assembly (1) for a water electrolysis cell, comprising an anode (2), a cathode (3) and a hydrocarbon membrane (4) located between the anode (2) and the cathode (3), further comprising a first gas recombination layer (5), which is arranged between the anode (2) and the hydrocarbon membrane (4), wherein at least one adhesion layer (6) is arranged between the gas recombination layer (5) and the hydrocarbon membrane (4), wherein the adhesion layer (6) comprises at least one ceramic material (7) and a proton-conductive polymer (8).
Absstract of: WO2024191979A1
A selective separator is described that comprises a porous polymeric separator and selective material on at least one outer surface. Selective material comprising a composite of ion exchange polymer and zirconium oxide particles (ZrO2) distributed throughout the ion exchange polymer may be applied as a liquid by a spray coating method. Selective separators made by methods described herein are suitable for use in alkaline water electrolysis applications.
Absstract of: EP4650488A1
The invention concerns a water electrolysis installation comprising:* a dioxygen separator (60) configured to separate a mixture of electrolyte and dioxygen (28B) and to obtain an electrolyte with dissolved dioxygen (61);* a dihydrogen separator (49) to separate a mixture of electrolyte and dihydrogen (28A) and to obtain an electrolyte with dissolved dihydrogen (51);* a recombination zone (32) configured to receive the electrolytes to produce, at a mixing region (68), a mixed electrolyte stream,The installation comprises a dihydrogen and/or dioxygen depleting system (70), comprising a catalyst configured to react dioxygen and dihydrogen dissolved in the mixed electrolyte stream, to produce a treated electrolyte stream (34) with reduced dioxygen and dihydrogen. The depleting system (70) is positioned in contact with the mixed electrolyte stream downstream of the mixing region (68) and upstream of the inlet of the electrochemical stack device.
Absstract of: US2025354282A1
A water electrolysis process includes recovering a mixture of electrolyte and dioxygen from an anodic compartment and separating it in a dioxygen separator to obtain a dioxygen stream and a dioxygen containing electrolyte stream; recovering a mixture of electrolyte and dihydrogen from an cathodic compartment and separating it in a dihydrogen separator to obtain a dihydrogen stream and a dihydrogen containing electrolyte stream; recirculating the dioxygen containing electrolyte stream and the dihydrogen containing electrolyte stream. Upon detection of conditions susceptible of leading to a dioxygen to dihydrogen ratio greater than a safety OTH threshold in the cathodic compartment or/and to a dihydrogen to dioxygen ratio greater than a safety HTO threshold in the anodic compartment, flushing dihydrogen in electrolyte fed to the or each cathodic compartment, and/or flushing dioxygen in electrolyte fed to the or each anodic compartment.
Absstract of: KR20250161849A
본 발명은 암모니아수 제조장치 및 그것을 구비한 수소수 제조시스템에 관한 것으로, 본 발명은 암모니아액이 저장된 암모니아액저장탱크; 순수가 저장된 순수저장탱크; 암모니아액과 순수가 혼합되어 희석되는 희석탱크; 상기 암모니아액저장탱크와 희석탱크를 연결하여 희석탱크로 암모니아액이 공급되는 암모니아액공급라인; 상기 순수저장탱크와 희석탱크를 연결하여 희석탱크로 순수가 공급되는 순수공급라인; 상기 암모니아액공급라인에 구비되어 상기 희석탱크로 공급되는 암모니아액의 유량을 조절하는 제1 유량조절기; 상기 순수공급라인에 구비되어 상기 희석탱크로 공급되는 순수의 유량을 조절하는 제2 유량조절기; 및 상기 희석탱크와 연결관에 의해 연결되어 상기 희석탱크에서 희석된 암모니아수가 공급되어 저장되는 암모니아수저장탱크를 포함한다. 본 발명에 따르면, 암모니아수를 생성하는 구성을 간단하고 컴팩트하게 하여 설치 공간을 줄이고, 암모니아수의 희석 비율의 정확도를 높이면서 암모니이수 희석 효율을 향상시키며 이물질이 누적되는 것을 방지하여 장비에 공급하는 수소수의 신뢰성을 높인다.
Absstract of: KR20250161749A
본 발명은 수전해 수소생산공정 경고메시지 보안 프로그램을 통한 공정경보 메시지 시스템 제어방법에 관한 것으로서, 수소생산과정을 안정적이고 효율적으로 관리하며 위험메시지를 텍스트와 함께 음성을 관리자에게 전달하여 안전사고를 방지할 수 있도록 함을 목적으로 하는 것이다. 즉, 본 발명은 수전해 수소생산공정 경고메시지 시스템 제어방법 있어서, 물공급과정에 대하여 입력값과 설정값의 오차를 비례, 적분 및 미분 제어가 이루어지는 물공급PID제어과정과 수소발생과정에 대하여 입력값과 설정값의 오차를 비례, 적분 및 미분 제어가 이루어지는 수소발생PID제어과정, 수소정제과정에 대하여 입력값과 설정값의 오차를 비례, 적분 및 미분 제어가 이루어지는 수소정제PID제어과정, 냉각수순환과정에 대하여 입력값과 설정값의 오차를 비례, 적분 및 미분 제어가 이루어지는 냉각수PID제어과정, 위험경보메시지출력과정을 통하여 텍스트로 출력된 위험메시지를 TTS를 통하여 음성으로 위험경보메시지를 출력하는 위험경보메시지TTS과정을 포함하여 이루어진 것을 특징으로 하는 것이다. 따라서, 본 발명은 수소생산과정을 안정적이고 효율적으로 관리하며 위험메시지를 텍스트와 함께 음성을 관리자에게 전달하여 안
Absstract of: EP4650486A1
The present invention relates to a membrane electrode assembly (100) for a stackable electrolyser cell. The membrane electrode assembly (100) comprises a catalyst coated membrane (CCM) member (110) with a polymer membrane (111) that is at least partially coated with a catalyst coating (112, 113), a frame member (140) for mechanical reinforcement, two porous transport layers (121, 122), and an adhesive layer (150). The adhesive layer (150) forms an adhesive bond between the CCM member (110) and at least the frame member (140) and further, comprises an adhesive overlap section (151) that overlaps with a frame overlap section (141) of the frame member (140). The adhesive overlap section (151) extends inwardly with respect to the peripheral area (115) beyond the frame overlap section (141) to delimit a process area (116) of the CCM member (110). The invention relates further to a solid polymer electrolyte electrolyser cell stack with such membrane electrode assembly (100) and a method of manufacturing said membrane electrode assembly (100).
Absstract of: AU2024237545A1
A method for generating and treating a two-phase outflow from one or more pressurised electrolyser stacks which are adapted to electrolyse water into hydrogen and oxygen, whereby a pump supplies a catholytic fluid flow from one first gas liquid gravitational separator vessel to the electrolyser stacks and whereby a further pump supplies an anolytic fluid flow from one second gas liquid gravitational separator vessel to the electrolyser stacks, and whereby at least one cyclone type gas liquid separator receives combined outflows from the catholytic chambers and/or receives combined outflows from anolytic chambers respectively inside corresponding gravitational gas liquid separator vessel whereby further, the at least one cyclone type gas liquid separator separates the gas from the liquid along a generally horizontal cyclonic rotation axis inside the gas liquid gravitational separator vessel. An electrolyser system is also provided.
Absstract of: US2025346486A1
An embodiment of the present disclosure provides a production apparatus for high purity hydrogen, the production apparatus including: a decomposition reaction unit configured to decompose ammonia through ammonia decomposition reaction and discharge reaction products including hydrogen and nitrogen produced from the ammonia decomposition reaction and non-reacting ammonia; an adsorption refinement unit configured to discharge intermediate refined products by separating or removing ammonia from the reaction products; and a hydrogen separation membrane configured to discharge a high-purity hydrogen product by refining high-purity hydrogen by separating and filtering the intermediate refined products.
Nº publicación: CN120981608A 18/11/2025
Applicant:
马来西亚国家石油公司
Absstract of: WO2024162841A1
An electrolyte solution comprising an electrolyte, wherein the electrolyte is used in an amount ranging between 1 wt% to 10 wt% of the electrolyte solution; an ionic liquid, wherein the ionic liquid is used in an amount ranging between 1 wt% to 5 wt% of the electrolyte solution; and a solvent, wherein the solvent is used in an amount ranging between 75 wt% to 99 wt% of the electrolyte solution.
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