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CATALYST USE OPTIMISATION

Resumen de: GB2634782A

A method for manufacturing a catalyst coating 200 for a recipient component of a PEM electrolyser and a blended catalyst. The method comprising the steps of: processing a pre-used catalyst-coated donor component 202, to recover a quantity of a catalyst 203; converting the catalyst recovered from the donor component into a powder, thus producing a low-ECSA (electrochemical active surface area) recycled catalyst powder; and blending the recycled catalyst powder 203 with a quantity of high-ECSA unrecycled catalyst powder 204 to form a blended catalyst powder 205. ECSA represents a value for the active surface area of the catalyst and is related to the BET (Brunauer-Emmett-Teller) value.

DEVICE FOR ELECTROCHEMICAL REVERSIBLE DIHYDROGEN STORAGE

Resumen de: EP4541945A1

The invention relates to Device for electrochemical reversible dihydrogen storage (1), said device comprising: a sealed chamber (2) intended to receive an electrolytic media (3) and gaseous dihydrogen (4), connection means (5) suitable for connecting the seal chamber to a gas circuit (6) and at least one first electrode (7), and at least one second electrode (8), arranged within the sealed chamber. The at least one second electrode is suitable to oxidize dissolved gaseous dihydrogen, in the electrolytic media, and form protons and to reduce protons and form gaseous dihydrogen according to formula 1: H₂ ↔ 2H⁺ + 2e^-, formula 1. The at least one first electrode comprises at least one redox couple M^y/M^x, insoluble in the electrolytic media, said at least one redox couple being arranged to exhibit at least two oxidation states and being suitable to be reduced from an oxidized state M^y to a reduced state M^x, and conversely, according to formula 2: M^y + pe^- ↔ M^x, formula 2, wherein x and y are oxidation number. An absolute potential difference |ΔE| between a redox potential of the couple H⁺/H₂, for a predetermined electrolytic media and a predetermined pressure range of gaseous dihydrogen, and a redox potential of the at least one couple M^y/M^x is lower than or equal to 0.6 V.

UNIT FOR PRODUCING HYDROGEN PROVIDED WITH A STOPPING SYSTEM, AND METHOD FOR STOPPING SUCH A UNIT

Resumen de: WO2025082916A1

The invention relates to a unit (200) for producing hydrogen that comprises: - a stack (102) of solid oxide cells, - an air circuit (110), and a fuel circuit (120) passing through the stack (102); characterised in that the unit (200) is equipped with a stopping system comprising: - an inlet (202) and an outlet (204) for neutral gas, for circulating a predetermined neutral gas in the stack; - an inlet (206) and an outlet (208) for safety gas, for circulating a safety gas in the stack (102); and - a control module (210) for switching the stack (102) from the production configuration to the stopped configuration. The invention also relates to a method for controlling such a unit.

HYDROGEN-PRODUCTION PLANT

Resumen de: WO2025082675A1

The invention relates to a hydrogen-production plant comprising at least a first production line, comprising at least a first electrolysis device with a plurality of first electrolysis modules and comprising a first compressor device with a plurality of first compressor modules, and comprising a controller, comprising at least a schedule-creating module and a control module, wherein the schedule-creating module is designed for creating an activation schedule at least for the first electrolysis modules and for the first compressor modules on the basis of respective performance characteristics of the respective first electrolysis modules, respective performance characteristics of the respective first compressor modules and at least one predetermined optimization criterion, and wherein the control module is designed for activating the first compressor modules and the first electrolysis modules on the basis of the activation schedule created.

METHOD AND ARRANGEMENT FOR PRODUCING HYDROGEN

Resumen de: EP4796672A1

0001 Es wird ein Verfahren zur Herstellung von Wasserstoff unter Verwendung einer Elektrolyseanordnung (1000) mit einer Elektrolysevorrichtung (100) und einer Verdichtervorrichtung (500) vorgeschlagen, wobei der Elektrolysevorrichtung (100) ein Elektrolysewasser enthaltender Wasserstoffstrom (101) entnommen und zumindest zu einem Teil als Verdichtereinsatzstrom einer Verdichtung zugeführt wird. Hierbei ist vorgesehen, dass der Verdichtereinsatzstrom zumindest einen Teil des Elektrolysewasser des Wasserstoffstroms (101) umfasst und die Verdichtung unter Verwendung eines Turboverdichters (550) durchgeführt wird. Eine entsprechende Elektrolyseanordnung (1000) wird ebenfalls vorgeschlagen.

NH3 CRACKING PROCESS WITH PRIMARY FUEL AND FLUE GAS CO2 CAPTURE

Resumen de: EP4796494A1

Process of ammonia cracking, comprising the following steps :- providing an ammonia feed stream,- passing at least part of the ammonia feed stream, or a gas derived from the ammonia feed stream, to a cracker unit for performing an ammonia cracking reaction,- providing a primary fuel and performing a combustion of said primary fuel thus generating heat and a flue gas comprising carbon dioxide,- providing heat from said combustion to the ammonia cracking reaction,- passing at least a portion of the flue gas to a carbon dioxide recovery unit for recovering a carbon dioxide enriched stream from the flue gas,wherein a cracked gas comprising hydrogen, nitrogen and optionally unconverted ammonia is obtained through the ammonia cracking reaction.

水素製造システムおよび水素製造方法

Resumen de: JP2026136645A

【課題】１次ヘリウムガスと第２熱媒体との熱交換率を維持しつつ、高温水蒸気電解装置に供給される水蒸気と第２熱媒体と熱交換する熱交換器伝熱管のクリープ破壊を抑制する。【解決手段】本実施形態によれば、水素製造システムは、第１循環系と、第２循環系と、中間熱交換器と、減圧部と、高温水蒸気電解装置と、第１熱交換器と、を備える。第１循環系は、７００℃以上の１次ヘリウムガスが循環する第１循環経路を有する。第２循環系は、第２熱媒体が循環する第２循環経路を有する。中間熱交換器は、１循環系の１次ヘリウムガスと、第２循環系の第２熱媒体との熱を熱交換する。減圧部は、第２循環系の第２熱媒の圧力を下げる。高温水蒸気電解装置は、水素と酸素とを製造する。第１熱交換器は、減圧部で減圧された第２熱媒と高温水蒸気電解装置のスタックに供給される少なくとも水蒸気との熱を熱交換器伝熱管により熱交換する。【選択図】図１

水素化マグネシウムと塩化マグネシウム水溶液との反応で水酸化マグネシウムが晶出しないように塩化マグネシウム水溶液にクエン酸或いはグルコン酸と言ったハイドロオキシカルボン酸を使用した塩化マグネシウム水溶液から製造したクロロマグネシウムプラズマを安全に増産する方法

Resumen de: JP2026137011A

【課題】プラズマ法は水から水素を得る方法で炭酸ガスが発生しない、このため最も廉価な水素が得られる。しかし極めて水に難解性である水酸化マグネシウムが晶出し、クロロマグネシウムプラズマ粒子表面を被覆固化する。そこで水酸化マグネシウムが晶出しない方法を提供する。【解決手段】水素化マグネシウムと塩化マグネシウム水溶液との反応で水酸化マグネシウムが晶出しないように塩化マグネシウム水溶液にクエン酸或いはグルコン酸と言ったハイドロオキシカルボン酸を使用した塩化マグネシウム水溶液から製造したクロロマグネシウムプラズマを安全に増産する方法。【選択図】なし

SYSTEM FOR PRODUCING AND STORING HYDROGEN, COMPRISING AN ELECTROLYSER COUPLED WITH A HYDROGEN COMPRESSOR

Resumen de: EP4796673A1

L'invention concerne un système destiné à assurer le fonctionnement sans interruption d'un électrolyseur de production d'hydrogène avec un compresseur à haute pression, comprenant un équipement de production d'hydrogène (1), un équipement de compression (4) de l'hydrogène dans des stockages à haute pression (5, 6), un réservoir tampon (3) de volume réduit, positionné entre l'équipement de production d'hydrogène (1) et l'équipement de compression (4), et un module de contrôle (7) configuré pour piloter le courant électrique alimentant l'équipement de production d'hydrogène (1) de manière à ce qu'il corresponde au débit de compression autorisé.

PROCESS AND PLANT FOR OBTAINING HYDROGEN

Resumen de: WO2025190563A1

The invention relates to a process for obtaining hydrogen from water, in which an oxidation unit is supplied with a pumpable suspension of zinc particles in alkaline solution, zinc is oxidized electrochemically or thermally to zinc oxide in the oxidation unit (3) with release of hydrogen, the suspension leaving the oxidation unit (3) is fed to a reduction unit (4), and zinc oxides formed in the course of oxidation in the reduction unit (4) are electrochemically reduced to zinc with release of oxygen, and then the suspension leaving the reduction unit (4) is fed back to the at least one oxidation unit (3).

アルカリ水電解用セパレータ

Resumen de: WO2022002904A1

A separator for alkaline electrolysis comprising a porous support (10) and a first (20b) and second (30b) porous layer provided on respectively one side and the other side of the porous support, characterized in that the porous support has a thickness (d1) of 150 µm or less and the total thickness (d2) of the separator is less than 250 µm. Also a method is disclosed wherewith such a separator may be prepared.

一种生物质基复合异质结构析氢催化剂及其制备方法和应用

Resumen de: CN122629520A

0001 本发明提供了一种生物质基复合异质结构析氢催化剂及其制备方法和应用，属于电催化分解析氢催化剂技术领域。本发明以生物质为原料，经三元低共熔溶剂处理制得生物质纤维素，采用碳布载钴，结合微波煅烧制备三维网状Co@NCNT/CC载体；通过制备钼酸钴并与硫脲和上述载体经水热反应制得生物质基复合异质结构析氢催化剂。该催化剂以Co@NCNT/CC为三维载体，表面生长花瓣状CoS<2>@MoS<2>异质结，且CoS<2>与MoS<2>通过Mo‑S‑Co键形成高效电荷传输通道。该催化剂兼具优异的催化活性、反应动力学、结构稳定性和酸碱耐受性，工艺绿色可持续，适合电解水制氢的工业化应用。

膜電極接合体の製造方法

Resumen de: WO2025053532A1

The present invention relates to a membrane electrode assembly manufacturing method comprising the steps of: (S1) forming a first catalyst layer on the other surface of a separation membrane having a first carrier film attached to one surface thereof; (S2) attaching a second carrier film to the other surface of the separation membrane on which the first catalyst layer is formed; (S3) removing the first carrier film attached to one surface of the separation membrane; and (S4) forming a second catalyst layer on one surface of the separation membrane from which the first carrier film is removed, wherein the second carrier film includes a first area corresponding to the first catalyst layer on the other surface of the separation membrane, and a second area, which is the remaining area that excludes the first area, and the second area of the second carrier film is coated with an adhesive on a surface facing the other surface of the separation membrane on which the first catalyst layer is formed.

이온-전도성 멤브레인, 및 폴리에테르설폰 전기방사에 의해 이를 제조하는 방법

Resumen de: WO2025131972A1

The invention relates to a method for preparing a membrane which comprises the following steps, in succession: preparing a layer of polyethersulfone nanofibres by electrospinning a polyethersulfone solution; heating the nanofibres to soften them; cooling the nanofibres; and impregnating the nanofibres with an ionomer to form the membrane. A membrane of this kind consists of polyethersulfone nanofibres that have points at which they join to the nanofibres adjacent to them. The membrane has ionic conductivity properties and can be used in a fuel cell or an electrolyser.

一种重p区金属修饰过渡金属配位聚合物的制备方法及其电解海水制氢应用

Resumen de: CN122628340A

0001 本发明公开了一种重 p 区金属修饰过渡金属配位聚合物的制备方法及其电解海水制氢应用，在过渡金属、重 p 区金属和络合剂共存情况下，采用一步共沉淀法制得重 p 区金属修饰的过渡金属配位聚合物。本发明制得的重 p 区金属修饰过渡金属配位聚合物既能通过重 p 区金属的强路易斯酸性排斥氯离子，抑制氯氧化副反应，又能通过重 p 区金属的极化作用激活晶格氧氧化机制，降低海水氧化反应能垒。以重 p 区金属修饰过渡金属配位聚合物为阳极构建的阴离子交换膜海水电解槽，兼具优异的反应活性与耐腐蚀性能，在直接海水电解领域展现出显著的应用前景。本发明的原料成本低廉，制备工艺简单，具有规模化生产的可行性与经济性。

수소 생산을 위한 불활성 나트륨염의 핵 구동식 열수 분해

Resumen de: WO2025165987A1

Methods and systems for hydrogen production from inert sodium salts are described herein. In an example method, steam is generated by a nuclear reactor power plant system. The steam is applied to sodium formate to facilitate one or more thermal and/or hydrothermal decomposition processes, thereby generating hydrogen. In the example method, sodium formate is generated by combining sodium hydroxide generated by an electrolysis process with sodium carbonate and/or sodium bicarbonate generated by a carbon capture process. Embodiments can be used to supply hydrogen storage facilities and/or for energy production.

用于制造绿氢的系统和方法

Resumen de: WO2025160516A1

A system and method of making hydrogen from water. A reaction vessel is provided with an outer shell, a central shaft, and concentric inner tubes separated by annular spaces. Water is delivered to the annular spaces by a water pump through an inlet defined in the reaction vessel. The water courses along a tortuous flow path. That path begins at an inner annular space around a central shaft. It ends at an outer annular space. The water emerges from the reaction vessel through an outlet associated with a manifold. A vibratory stimulus is applied to the reaction vessel and water. Water molecules are dissociated into hydrogen molecules and oxygen atoms. These reaction products are delivered through the manifold along an effluent flow path to a receiving pressure vessel before deployment to a sub-assembly for harnessing clean energy.

특히 암모니아 분해용 촉매, 촉매의 제조 방법 및 수소 합성 방법

Resumen de: WO2025141005A1

The invention relates to a catalyst for the decomposition of ammonia into hydrogen and nitrogen, wherein the catalyst comprises at least ruthenium, mesoporous cerium oxide and at least one oxide selected from among cobalt, nickel and iron oxides, preferably nickel oxide, and to a method for producing hydrogen from ammonia comprising the following steps in this order: activating at least one catalyst according to the invention at a temperature ranging from 300°C to 600°C under a stream of a reducing gas; bringing the activated catalyst into contact with a gas to be treated comprising ammonia at a temperature ranging from 200°C to 800°C, and at a pressure ranging from atmospheric pressure to 100 bar.

具有高比表面积的镍纳米立方体材料及其制备方法及应用

Resumen de: CN122629525A

0001 本发明公开了具有高比表面积的镍纳米立方体材料及其制备方法及应用，属于电极材料制备技术领域，材料包括呈立方体形貌且粒径均一的镍纳米立方体，及其通过硼氢化钠（NaBH<4>）选择性刻蚀并还原镍钨多金属氧酸盐前驱体，在严格控制反应温度、还原剂浓度及反应时间等条件下合成所得的纳米结构；本发明通过形貌精确调控，实现了丰富的活性晶面暴露和优异的结构稳定性，所制备的镍纳米立方体材料不仅展现出卓越的催化活性，特别是在析氢反应和电催化领域表现出高效催化性能，更在持续运行测试中表现出极高的稳定性。

一种低添加剂消耗的长寿命多层结构钛阳极及其制备方法

Resumen de: CN122629477A

0001 本发明公开了一种低添加剂消耗的长寿命多层结构钛阳极及其制备方法，属于电化学电极技术领域。该钛阳极以钛材为基体，由内至外依次设置过渡层、铱钽锡氧化物催化层、铅‑锡‑锑合金控氧层以及含二氧化硅的全氟磺酸树脂隔离层；本发明制备的钛阳极寿命长，同时，可降低电镀体系中有机添加剂的消耗速率，制备工艺稳定、可批量生产，适用于PCB电镀、金属电镀、电解水、废水处理、电化学储能等多种电化学场景，应用前景广阔。

一种多孔固溶体负载型钴基硼氢化钠水解制氢催化剂及其制备方法

Resumen de: CN122625206A

本发明公开了一种多孔固溶体负载型钴基硼氢化钠水解制氢催化剂及其制备方法，属于硼氢化钠水解制氢技术领域。所述催化剂由多孔(Co,M) (M为Ni、Cu或Fe)固溶体骨架和原位生成的Co‑B组成，且Co‑B以纳米颗粒状负载于多孔(Co,Ni)固溶体骨架的表面。其制备步骤如下：首先，将金属Co、M和Al熔炼成Co‑M‑Al三元合金，并进行脱合金处理，得到多孔(Co,M)固溶体骨架；接着，将多孔(Co,M)固溶体分散于乙酸/乙醇混合溶液中进行浸渍处理；最后，采用硼氢化钠溶液对浸渍处理后的固体产物进行原位硼化处理即得。本发明所提供催化剂原料来源广泛，制备工艺简单环保，对硼氢化钠水解制氢具有高的催化活性和循环稳定性。

一种抑制Ru基阳极溶解的方法及用于电解水制氢的电解液

Resumen de: CN122629498A

0001 本发明公开一种抑制Ru基阳极溶解的方法及用于电解水制氢的电解液，涉及绿色能源化工与碳捕集与利用（CCUS）技术领域。该方法是在酸性电解液中引入具有宽电化学窗口的有机小分子；所述有机小分子为极性非质子溶剂，其在25℃下的介电常数不低于30；所述有机小分子在酸性电解液中的体积百分比浓度为0.1%‑1.5%。本发明方法操作简便，仅需在现有酸性电解液中加入少量有机小分子添加剂，即可显著抑制Ru基阳极的溶解，同时保持催化活性和电解液电导率，具有良好的工业应用前景和经济性。

水电解槽用复合隔膜

Resumen de: CN122629530A

本发明公开一种水电解槽用复合隔膜，所述复合隔膜中含有网眼水刺无纺布、高分子树脂以及亲水无机颗粒，所述高分子树脂和亲水无机颗粒存在于网眼水刺无纺布的两面，且部分或全部渗透于网眼水刺无纺布结构中，所述复合隔膜的表面粗糙度为20～50μm。本发明的水电解槽用隔膜具有低电耗、高气密、高耐久性的特点。

一种Mo调控的泡沫镍自支撑双相异质结催化剂及其制备方法及其在电解水制氢中的应用

Resumen de: CN122629526A

本发明公开了一种Mo调控的泡沫镍自支撑双相异质结催化剂及其制备方法及其在电解水制氢中的应用。本发明采用一步水热法，以泡沫镍为导电基底，以六水硝酸镍、二水钼酸钠和硫脲分别作为Ni源、Mo源和S源，在泡沫镍表面原位生长得到Mo调控的Ni3S2/Ni9S8双相异质结催化剂。该催化剂具有均匀的纳米片状结构，Ni3S2和Ni9S8之间形成丰富的异质界面，可有效暴露活性位点并促进界面电荷传输；同时，Mo元素的引入能够调控镍基硫化物的电子结构，优化反应中间体吸附行为，并促进析氧过程中高活性NiOOH物种的生成。该催化剂表现出优异的双功能电催化性能，同时具备优异析氧反应和析氢反应活性及稳定性。

一种具有分级孔结构的碱性水电解用复合隔膜及其制备方法

Nº publicación: CN122629531A 25/08/2026

Solicitante:

江苏氢湾华创能源科技发展有限公司

Resumen de: CN122629531A

本发明公开了一种具有分级孔结构的碱性水电解用复合隔膜及其制备方法。所述制备方法包括以下步骤：（1）将高分子树脂、无机纳米亲水粒子、纳米级介孔造孔剂以及有机溶剂混合，得到铸膜液浆料；（2）将三维多孔牺牲模板浸入铸膜液浆料中，得到浸渍前驱体；（3）将浸渍前驱体置于凝固浴中进行相转化处理，使聚合物固化成型，得到复合膜；（4）将复合膜浸入酸性溶解液中，溶解三维多孔牺牲模板和纳米级介孔造孔剂；（5）将隔膜经清洗、干燥，即得。本发明通过引入双模板协同造孔技术，在隔膜内部构建“微米级贯通传输通道”与“纳米级功能介孔”相结合的分级多孔结构，在保证优异阻气性能的同时，能够显著降低隔膜的面电阻，提高离子传导率。