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744
results.
Updated on
14/09/2026 [07:03:00]
Results 150 to 175 of 744
Absstract of: EP4741052A1
The present disclosure relates to an oxygen evolution reaction(OER) oxide catalyst for anion exchange membrane(MEM) water electrolysis doped with various metal atoms using a coprecipitation method, and a preparation method thereof.
Absstract of: KR20260124681A
본 발명은 원자력 발전소의 출력제어와 연계된 수소 생산 시스템 및 그 제어 방법에 관한 것이다. 시스템은 전력계통 운영자로부터 원전 출력제어 정보를 획득하고, 원자력 발전소의 발전 전력과 소내 소비전력에 기초하여 수전해 장치에 공급 가능한 전환가능전력을 산정하며, 계통 접속점에서 측정되는 순송전 전력이 목표 송전 전력을 추종하도록 복수의 전해 스택군의 소비전력을 제어한다. 복수의 전해 스택군은 빠른 부하 추종을 담당하는 저온 전해 스택군과 원전 2차계통의 증기를 이용하는 고온 전해 스택군을 포함할 수 있다. 고온 전해 스택군은 감발 전력이 없는 동안 원전 추기증기로 핫 스탠바이 상태를 유지하고, 감발 전력이 발생하면 열적 정지 없이 전해전력을 공급받을 수 있다. 감발 전력의 고주파 변동 성분은 저온 전해 스택군에, 저주파 지속 성분은 고온 전해 스택군에 배분될 수 있고, 부하전환 중 전체 수전해 소비전력이 목표값을 유지하도록 중첩 제어될 수 있다. 이에 따라 원전의 안정운전, 계통 출력제어 이행, 수소 생산효율 및 고온 전해 스택의 열적 안정성을 함께 향상시킬 수 있다.
Absstract of: EP4792933A1
0001 A purpose of the present invention is to provide an ammonia decomposition catalyst device with which a conversion of ammonia (NH<3>) can be improved. An ammonia decomposition catalyst device 100 for producing hydrogen (H<2>) through decomposition of ammonia (NH<3>) has a gas-flow upstream-side region 100a and a gas-flow downstream-side region 100b, in which a base density of the gas-flow downstream-side region 100b is a higher than that of the gas-flow upstream-side region 100a.
Absstract of: US20250243139A1
An integrated energy system including a power plant is discussed herein. In some examples, the integrated energy system may include at least one nuclear reactor and electrical power generation system configured to generate steam and electricity, a water treatment plant configured to produce Sodium Hydroxide (NaOH) from salt water, a Sodium Formate (HCOONa) production plant configured to receive the Sodium Hydroxide (NaOH) to produce Sodium Formate (HCOONa), a Thermal Decomposition reactor configured to receive the Sodium Formate (HCOONa) and configured to receive at least a first portion of the steam or at least a second portion of the electricity from the power plant to indirectly heat the Thermal Decomposition reactor to produce Hydrogen (H2), Carbon Dioxide (CO2), and Carbon Monoxide (CO) from the Sodium Formate (HCOONa), and a Methanol (CH3OH) reaction chamber configured to receive the Hydrogen (H2), the Carbon Dioxide (CO2), and the Carbon Monoxide (CO) to produce Methanol (CH3OH).
Absstract of: WO2025078333A1
The present invention relates to an electrode (100) for electrolysis of electrolyte, said electrode comprising: first porous layer (102) permeable to electrolyte and gases produced by the decomposition of electrolyte; a second porous layer (104) permeable to electrolyte and gases produced by the decomposition of electrolyte, said second porous layer (104) being arranged adjacent to the first porous layer (102), wherein the first porous layer (102) comprises Nickel.
Absstract of: EP4793391A1
0001 According to the present invention, an uncoated austenitic steel sheet for an alkaline water electrolysis separator is provided, comprising, by wt%: C: more than 0% and 0.04% or less, Si: more than 0% and 0.4% or less, Mn: more than 0% and 0.5% or less, Cr: more than 0% and 2.0% or less, Ni: 33% to 40%, Co: more than 0% and 4.0% or less, the balance of Fe and other inevitable impurities, wherein a value of the following Formula (1) is 0.83 or less, a surface roughness Ra value is 0.07 µm to 0.25 µm, and corrosion resistance is excellent in an alkaline environment. 9.0 − 0.2495 × Ni + 0.9 × Cr − 0.005 × Co
(wherein Ni, Cr and Co represent the content (wt%) of each element).
Absstract of: WO2025033904A1
The present invention relates to an electrode and a method for manufacturing same, the electrode comprising: a nickel-containing metal substrate; a first sol-gel coating layer formed on at least one surface of the metal substrate; and a second sol-gel coating layer formed on the first sol-gel layer, wherein the first sol-gel coating layer and the second sol-gel coating layer each independently include nickel and iron. According to the present invention, the provided electrode for anion exchange membrane water electrolysis can implement improved electrochemical performance and has excellent durability.
Absstract of: JP2026132816A
0001 【課題】水の分解による水素の生成に用いることのできる有用な光触媒を提供すること。 【解決手段】本発明は、下記一般式（１）で表す化合物と、遷移金属錯体化合物とを含んでなる光触媒である。下記一般式（１）中、各Ｒは、それぞれ独立に、鎖中にヘテロ原子を含んでもよい炭素数１～３０の炭素鎖等であり、各Ｒ<１>は、それぞれ独立に、カルバゾリル基等であり、ｐは、１～１０の整数であり、各ｍは、それぞれ独立に０～２の整数であり、各ｎは、それぞれ独立に０～２の整数である。 【選択図】なし
Absstract of: WO2025033986A1
The present invention relates to a method for preparing a nickel-based phosphide catalyst for an oxygen evolution reaction of an alkaline water electrolysis anode using sodium hypophosphite (NaH2PO2) substitution and pyrolysis.
Absstract of: WO2025027031A1
The invention provides a process for producing hydrogen by thermal reforming of ammonia in an apparatus comprising an ammonia cracking reactor with a catalyst chamber and a staged combustion unit, wherein the catalyst chamber of the ammonia cracking reactor is heated indirectly by heat exchange with the hot flue gases from the staged combustion unit, comprising the steps of: a) incomplete combustion of a fuel comprising ammonia in the first stage of the staged combustion unit to generate a flue gas stream of elevated temperature T1 in the range of 750 to 2000°C, preferably in the range of 1200 to 2000°C; b) complete combustion of the fuel comprising ammonia in the second stage of the staged combustion unit to generate a flue gas stream of a temperature T3 that is less than T1; c) exchanging heat from the flue gas provided in step b) with the ammonia cracking reactor to raise the temperature in the catalyst chamber to a catalytic cracking temperature T2 in the range of 400 to 1000°C, more preferably in the range of 600 to 800°C; d) subjecting an ammonia stream in the heated ammonia cracking reactor of step c) to a catalytic ammonia-cracking step to yield a thermally cracked stream comprising hydrogen, and e) separating the thermally cracked stream into a reject gas stream and an enriched hydrogen stream and withdrawing the enriched hydrogen stream, wherein T3 is at least 50°C above T2 up to a maximum of 1600°C, and wherein T3 is at least 50°C below T1, and wherein the f
Absstract of: WO2025032310A1
The present invention relates to a methanation method comprising providing an electrolyser system, the electrolyser system (20) comprising an electrolyser (10) that has at least one electrolyser cell (11), at least one fuel input (14) through which fuel enters the electrolyser (10) and at least one offgas output (46) from which offgas exits the electrolyser (10), the method further comprising supplying fuel to the at least one fuel inlet, the fuel comprising at least water and either or both carbon dioxide and carbon monoxide, operating the electrolyser system (20) by powering the electrolyser cell (11) with electricity to electrolyse the fuel in the at least one electrolyser cell (11) such that a part of the water splits into hydrogen and oxygen, wherein the electrolyser (10) is operated at a temperature at or in excess of 150 degrees C, and methanation occurs to the carbon dioxide and/or carbon monoxide in the electrolyser (10). The gas mixture can be released from the at least one offgas output (46) and then passed through a gas separation process to separate at least the methane from the gas mixture. The present invention also relates to an electrolyser system (20) configured to operate using the above method. The electrolyser system (20) comprises a fuel fluid flow path connecting a fuel inlet and a fuel outlet. The method may comprise providing to the fuel inlet a fuel gas containing water and a source of carbon selected from one or more of CO and CO2, operating the ele
Absstract of: CN122577325A
本发明公开了一种制氢系统及其供电控制方法，涉及新能源技术领域。制氢系统包括电解槽、空气加热器、水蒸气发生器、混合器、氢气冷旁通、主电源和备用电源，电解槽的供电输入端分别与主电源和备用电源连接，空气加热器的出气口与电解槽的阴极室进气口相连通，氢气冷旁通的氢气出口与混合器的第一进气口相连通，水蒸气发生器的蒸汽出口与混合器的第二进气口相连通，混合器的出气口与电解槽的阳极室进气口相连通；在控制电解槽的电解槽出口温度和电解槽电压分别达到并稳定在目标出口温度和目标电压后，开启主电源，使电解槽开始产氢，并获取电解槽的产氢量，以基于产氢量使用主电源或使用主电源和备用电源共同为制氢系统供电，直至电解槽终止产氢。
Absstract of: CN122564629A
本发明公开了一种镍钴钼复合电催化剂、制备方法及其应用。该方法采用了简单的两步电沉积的方法，通过在泡沫镍上先后沉积钴和钼，形成复合结构，引入钼后，该催化剂表现出比商业催化剂(Pt/C)更低的过电位，在1 M KOH电解液中达到10 mA cm‑²电流密度仅需20 mV的过电位；并且在10 mA cm‑²电流密度下经过100小时的稳定性测试，电流衰减率仅为0.3%，在碱性电解水析氢反应中的具有优异的性能。本发明提供了一种价格低廉，简单且易制备的电解水析氢催化剂制备方法，为设计高效稳定的电催化析氢催化剂提供了新策略。
Absstract of: JP2026527456A
0001 アンモニアから水素リッチガスを生成するための水素生成装置であって、内壁と、内部容積を画定する外壁とを備える第一のチャンバであって、前記第一のチャンバは、前記内壁と前記外壁との間に配置されたアンモニア分解触媒を含み、前記第一のチャンバは、１つ以上のアンモニアガス入口と１つ以上の未処理分解ガス出口とを有し、前記１つ以上のアンモニアガス入口及び前記１つ以上の未処理分解ガス出口は、前記アンモニアが前記１つ以上のアンモニアガス入口から前記１つ以上の未処理分解ガス出口まで前記第一のチャンバを通って流れ、前記アンモニア分解触媒に接触するように配置される、第一のチャンバと、前記アンモニア分解触媒を加熱するための１つ以上の熱源と、を備え、前記第一のチャンバは、１つ以上のフィンを有し、前記１つ以上のフィンは、前記第一のチャンバの前記内壁と前記外壁との間に配置される、装置。 【選択図】図１
Absstract of: FR3172103A1
L’invention concerne un électrocatalyseur pour la réaction d’évolution d’hydrogène (HER), comprenant un support carboné conducteur, et un matériau catalytique disposé sur le support carboné conducteur, dans lequel le matériau catalytique comprend un complexe de nickel(II) répondant à la formule générale Chem. 4 suivante : Chem 4dans laquelle,R1 et R2 représentent chacun indépendamment un groupe phényle ayant optionnellement un ou plusieurs substituants R3 identiques ou différents, R3 est sélectionné parmi un halogène, un groupe hydroxy, groupe alkyle en C1-C4, un groupe alkoxy en C1-C4, un groupe thioalkyl en C1-C4, un groupe dialkylamino en C1-C4, un groupe cyano, un groupe CF3 et un groupe O-CF3.
Absstract of: US20260235020A1
0000 A method of producing hydrogen and sequestering carbon or sulfur includes generating a fluid including at least one of water, steam, hydrogen sulfide, carbon dioxide and heat as a byproduct of a surface facility and injecting the fluid into a subsurface formation. The subsurface formation can include a porous rock, in various forms of porosity such as intragranular, intergranular, fracture porosity. The method can further include heating the fluid to stimulate an exothermic reaction of the fluid with components of the subsurface rock formation and produce a hydrogen reaction product and one or more of sulfur minerals from the hydrogen sulfide or carbon minerals from the carbon dioxide. The fluid can be heated to between about 25° C. and about 500° C. The method can also include extracting the hydrogen produced from the reaction of the fluid with the subsurface rock formation and mineralizing sulfur or carbon in the porous rock.
Absstract of: US20260234820A1
0000 The present disclosure relates to systems and methods for controlling hydrogen stack power and load. The systems include at least one hydrogen stack, a pressure sensor, and a controller, wherein the controller is operable to increase or decrease the power to the at least one hydrogen stack in response to a change in pressure. The methods include generating hydrogen using at least one hydrogen stack, measuring the pressure of the generated hydrogen, and increasing or decreasing the power supplied to the at least one hydrogen stack in response to an increase or decrease in the pressure.
Absstract of: US20260234024A1
A process for process for preparing a metal hydroxide comprising at least one metal chosen from nickel, cobalt, manganese, lithium and aluminum. The process comprises: reacting a metal sulfate and/or a metal nitrate comprising at least one metal chosen from nickel, cobalt, manganese, lithium and aluminum with a base chosen from LiOH, NaOH, KOH, RbOH, CsOH, Mg(OH)2, Ca(OH)2, Sr(OH)2, or Ba(OH)2 and optionally a chelating agent in order to obtain a solid comprising the metal hydroxide and a liquid comprising at least one of Li2SO4 Na2SO4, K2SO4, Rb2SO4, Cs2SO4, MgSO4, CaSO4, SrSO4, BaSO4, LiNO3 NaNO3, KNO3, RbNO3, CsNO3, Mg(NO3)2, Ca(NO3)2, Sr(NO3)2 and Ba(NO3)2,separating the liquid and the solid from one another to obtain the metal hydroxide;submitting the liquid comprising at least one of Li2SO4 Na2SO4, K2SO4, Rb2SO4, Cs2SO4, MgSO4, CaSO4, SrSO4, BaSO4, LiNO3 NaNO3, KNO3, RbNO3, CsNO3, MgNO3, CaNO3, SrNO3 and BaNO3 to an electromembrane process for converting the least one of Li2SO4, Na2SO4, K2SO4, Rb2SO4, Cs2SO4, MgSO4, CaSO4, SrSO4, BaSO4, LiNO3 NaNO3, K2NO3, RbNO3, CsNO3, Mg(NO3)2, Ca(NO3)2, Sr(NO3)2 and Ba(NO3)2 into at least one of LiOH, NaOH, KOH, RbOH, CsOH, Mg(OH)2, Ca(OH)2, Sr(OH)2, and Ba(OH)2; andreusing the at least one of LiOH, NaOH, KOH, RbOH, CsOH, Mg(OH)2, Ca(OH)2, Sr(OH)2, and Ba(OH)2 obtained by the electromembrane process for reacting with the metal sulfate and/or the metal nitrate.
Absstract of: US20260235084A1
0000 According to aspects of the disclosed subject matter, methods and apparatuses are provided to reduce combustion time and/or combustion temperature in an internal combustion engine. In an exemplary embodiment, intake air and oxygen-rich gas are introduced upstream of a turbofan, wherein the amount of oxygen rich gas provided to the internal combustion engine is controlled in a manner that is proportional to the engine speed.
Absstract of: US20260234673A1
A composition that produces hydrogen includes a nanoparticle or plurality of nanoparticles; an external source of electrons such as an electrogenic bacterium or a plurality of electrogenic bacteria and a carbon source; and an aqueous medium. The nanoparticles and the aqueous medium are combined in a mixture and, upon exposure to electromagnetic radiation with a wavelength in the absorption profile of the nanoparticles, the nanoparticles generate an electron that can reduce a proton in the aqueous medium. The source of electrons is capable of reducing the nanoparticles. The nanoparticles may comprise cadmium chalcogenide or water-soluble cadmium chalcogenide quantum dots. The nanoparticles may also comprise core-shell nanoparticles, nanorods; dot-in rods, Zn-based II-VI core quantum dots, and nanoplatelets including core-crown and core-shell nanoplatelets. The electrogenic bacterium or bacteria may comprise Shewanella oneidensis, a Geobacter species or any bacterium capable of extracellular electron transfer.
Absstract of: WO2026166566A1
Preparation of phosphate-modified carbon quantum dot nickel-based catalyst and use thereof in alkaline seawater electrolysis, belonging to the technical fields of electrocatalysis and hydrogen production by seawater electrolysis. The method of preparing the present phosphate-modified carbon quantum dot nickel-based catalyst comprises the following steps: mixing citric acid and urea in water to obtain a carbon quantum dot precursor solution; and mixing the carbon quantum dot precursor solution, phytic acid, and a nickel substrate, then allowing for the reaction thereof so as to obtain the phosphate-modified carbon quantum dot nickel-based catalyst. In the present invention, a phosphate-modified carbon quantum dot nickel-based catalyst is designed by introducing a composite modification layer of carbon quantum dots and phosphate onto the surface of a nickel substrate. The synergistic effect of PO4 groups and CDs in the catalyst markedly improves OER activity, thereby allowing the catalyst to exhibit excellent oxygen evolution reaction activity and long-term stability in alkaline seawater containing Br- and Cl-.
Absstract of: AU2024424555A1
Provided is a hydrogen production system (100) which comprises: an electrolysis module (19) that supplies steam to a hydrogen electrode and produces hydrogen through steam electrolysis; a steam supply unit (20) that supplies steam to a hydrogen electrode (11); an air supply unit (70) that supplies air to an oxygen electrode (12); a hydrogen supply pipe (43) that supplies hydrogen to the oxygen electrode (12); a power supply unit (18) that supplies power to the electrolysis module (19); and a control device (80) that controls the hydrogen production system (100). The control device (80) controls the power supply unit (18) so as to start supplying power to the electrolysis module (19) in response to the temperature of the electrolysis module (19) exceeding Temp4 that is lower than the ignition temperature of hydrogen.
Absstract of: AU2025215475A1
A hydrogen production facility is disclosed, comprising a plurality of electrolyser stacks arranged for electrolyzing water using an electrolyte and for generating at least a hydrogen-aqueous solution mixture; and a hydrogen separator arrangement for producing a flow of hydrogen from the hydrogen-aqueous solution mixture; wherein the hydrogen separator arrangement comprises a plurality of first stage hydrogen collector separators, the first stage hydrogen collector separators being fluidly coupled to a respective sub-set of the plurality of electrolyser stacks; and wherein the plurality of first stage hydrogen collector separators are fluidly coupled to a downstream hydrogen buffer vessel. A related method is further disclosed.
Absstract of: US20260233146A1
0000 The present invention relates to a process for purifying a hydrogen stream polluted with water, oxygen and possibly nitrogen, said process involving placing the hydrogen stream to be purified in contact with a zeolite-based adsorbent material comprising at least one metal chosen from the metals of columns 3 to 12 of the Periodic Table of the Elements, in zero-valent metal form, or in oxidized or reduced form, and recovering the purified hydrogen stream. 0000 The invention also relates to the use of a zeolite-based adsorbent material comprising at least one metal from columns 3 to 12 of the Periodic Table of the Elements for the purification of hydrogen, and to the use of the hydrogen thus purified in industrial processes.
Nº publicación: US20260233991A1 13/08/2026
Applicant:
ENEOS CORP [JP]
ENEOS Corporation
Absstract of: US20260233991A1
0000 A hydrogen carrier manufacturing system includes a hydrogen manufacturing device configured to manufacture hydrogen by using power; a hydrogen tank configured to store the hydrogen manufactured by the hydrogen manufacturing device; and a plurality of hydrogen carrier manufacturing devices configured to convert the hydrogen stored in the hydrogen tank into different types of hydrogen carriers.
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