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Última actualización
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Resultados 625 a 650 de 982
Resumen de: DE102025110053A1
Vorgeschlagen wird ein Verfahren zum Betreiben eines Elektrolysesystems (1) mit mindestens einer Elektrolysezelle (2) zur Erzeugung mindestens eines Produktgases. Dabei weist die mindestens eine Elektrolysezelle (2) einen zwischen zwei Elektroden (3) angeordneten Elektrolytkanal (4) auf, dem über einen Elektrolytkreislauf (5) ein Elektrolyt (6) aus einem Elektrolytspeicher (7) zugeführt wird. Ferner wird mithilfe einer in den Elektrolytkreislauf (5) integrierten Pumpe (8) ein Elektrolyt-Volumenstrom (ṁ) im Elektrolytkanal (4) eingestellt. Erfindungsgemäß wird ein Druck (p) im Elektrolytkanal (4)a) mithilfe einer weiteren Pumpe (9), die über eine Elektrolytleitung (10) an den Elektrolytspeicher (7) angeschlossen ist, oderb) mithilfe einer Drosseleinrichtung (11) mit variablem Drosselquerschnitt, die stromabwärts der Elektrolysezelle (2) in den Elektrolytkreislauf (5) integriert ist, eingestellt.Darüber hinaus betrifft die Erfindung ein Elektrolysesystem (1).
Resumen de: WO2026192129A1
The present invention relates to an electrochemical module comprising: a base plate having a first surface and a second surface opposite to each other along a first direction; one or more first stacks disposed on the first surface of the base plate; a first supply line for supplying a first supply fluid; a first discharge line spaced apart from the first supply line; a first supply transfer line for transferring, to the first stack, the first supply fluid supplied from the first supply line; and a first discharge transfer line for transferring, to the first discharge line, a first discharge fluid discharged from the first stack.
Resumen de: JP2026147233A
0001 【課題】ヒートポンプの熱出力に誤差等が生じていても、電解セルに適正量の水蒸気を供給する。 【解決手段】電解システムは、水蒸気電解により水素を生成する電解セルを含む電解モジュールと、原料水から水蒸気を生成する水蒸気生成部と、水蒸気生成部で生成された水蒸気を電解モジュールに供給する蒸気供給ラインと、蒸気供給ラインから分岐して前記電解モジュールをバイパスするバイパスラインと、バイパスラインに設置される圧力調整弁と、を備える。 【選択図】図１
Resumen de: JP2026147995A
【課題】可視光を効率的に利用でき、且つ常温で簡便に水素を発生させることが可能な水素発生方法、水素発生システムおよび燃料電池システムを提供する。【解決手段】本開示の水素発生方法は、１層以上の層状の水素化シリカン含有物に光を照射することにより水素を発生させる。層状の水素化シリカン含有物は粉体であることが好ましく、粉体は、分散媒またはバインダーに分散したり、担持体に担持したりしてもよい。【選択図】図２
Resumen de: JP2026148455A
0001 【課題】隔膜の位置ずれ、隔膜の脱落、隔膜における皺の発生、または隔膜の破損を防止できる水電解槽のセル、および水電解槽を提供する。 【解決手段】水電解槽のセル２は、セルフレーム４と、隔膜８とを備えている。セルフレーム４は、第１主面４ａと、前記第１主面４ａの反対側に位置する第２主面４ｂとを有し、隔膜８は、セルフレーム４の第１主面４ａに接着剤または粘着剤６０で固定されている。 【選択図】図３
Resumen de: US20260275555A1
The present disclosure discloses a hydrogen generator. The hydrogen generator includes a housing, and an electrolyzer, an electrolyte tank, a gas-liquid separator, and a purification apparatus mounted in the housing. A diaphragm of the electrolyzer is an anion-exchange membrane. The electrolyzer is in communication with the electrolyte tank through a pipeline. The gas-liquid separator is provided with a first gas inlet and a third gas outlet. The first gas inlet is in communication with a first gas outlet of the electrolyzer through a pipeline. The purification apparatus is provided with a second gas inlet. The third gas outlet is in communication with the second gas inlet through a pipeline.
Resumen de: WO2025043281A1
An electrolyser system (400) comprises at least one electrolyser (460) and has an operating energy requirement generated by an energy source (27). The energy source (27) includes waste heat generated by an industrial process whether involving combustion or an exothermic chemical reaction. The electrolyser system (400) further comprises a waste heat to power system (70) for recovering heat from the industrial process to produce electricity for supply to the at least one electrolyser (460); and a heat exchange system (407) for recovering heat from the industrial process and enabling transfer of said recovered heat to the at least one electrolyser (460) as thermal energy. The electrolyser system (400) has substantially higher energy efficiency and lower cost than an electrolyser system operated using an intermittent renewable energy source.
Resumen de: EP4807048A1
Provided is an electrolytic cell system comprising an electrolytic cell, a first supply line, a second supply line, a first pressure adjusting unit, a second pressure adjusting unit, and a controller. The electrolytic cell has a hydrogen electrode chamber and an oxygen electrode chamber. The first supply line supplies a feedstock gas containing water vapor to the hydrogen electrode chamber. The second supply line supplies compressed air to the oxygen electrode chamber. The first pressure adjusting unit is provided in the first supply line. The second pressure adjusting unit is provided in the second supply line. The controller adjusts a first pressure in the hydrogen electrode chamber and a second pressure in the oxygen electrode chamber by controlling the first pressure adjusting unit and the second pressure adjusting unit.
Resumen de: WO2025098577A1
A method and a control arrangement for controlling a renewable power plant (100) connected to a power grid (116) are presented. The method comprises: - determining (210) a dynamic policy (DP) based on: -- a current state (Scur) of the renewable power plant (100), -- a prediction (Ppred) of a future power production of more than one renewable electric power generating units (103) comprised in the renewable power plant, and -- a risk (λ) for instability at a connection (115) to the power grid (116); - determining (220) one or more power-to-gas reference points (RPP2G) based on: -- an available power (Pav) provided by the more than one renewable electric power generating units (103), and -- the determined dynamic policy (DP); and - providing (230) the determined one or more power-to-gas reference points (RPP2G) to at least one power-to-gas unit (120).
Resumen de: TW202520535A
The invention relates to an electrochemical cell assembly (10), comprising a first end plate (12), a second end plate and a stack (16) of cell units (18), wherein each cell unit defines an external perimeter, a housing (42) surrounding the stack to define or enclose a fluid volume (48), at least one electrically insulating member (98) being located between the housing and the external perimeters of the cell units and a positioning device (100) for the at least one electrically insulating member, comprising at least one positioning member (106) protruding from either the housing or one of the end plates into the fluid volume, wherein the at least one positioning member has a positioning surface interacting with the electrically insulating member for positioning the electrically insulating member relative to the housing and/or the end plates. The invention also relates to methods of manufacturing an electrochemical cell assembly.
Resumen de: KR20260137267A
0001a 본 발명의 실시 예에 따른 수전해 및 연료전지 셀 제조를 위한 롤 프레스를 이용한 MEA용 타발장치는 소정의 패턴으로 형성된 절단날을 포함하고, 상면에 MEA가 위치하는 타발판; 상기 타발판 상 MEA의 고정 위치를 가이드하기 위해서 상기 타발판을 향해서 광을 조사하는 광가이드장치; 및 상기 타발판 상에 위치한 MEA 위를 이동하면서 프레스하는 롤 프레스를 포함한다.
Resumen de: EP4807049A1
Provided are an operation method of an electrolyzer, a controller of an electrolyzer, and an electrolysis system that can quickly reach a rated load. An operation method of an electrolyzer (100) including a temperature controller (30) configured to regulate a temperature of an electrolyte solution supplied to a cellstack (40), the cellstack (40) configured to electrolyze the electrolyte solution supplied via the temperature controller (30), and a gas-liquid separator (20) configured to separate a gas and a liquid from each other that are generated by the cellstack (40) includes: supplying hot water to the temperature controller (30) in a case of a stopped state where the electrolyzer (100) is stopped.
Resumen de: EP4806839A1
0001 Provided are a system and method for ammonia synthesis coupled with hydrogen production. The system includes: a hydrogen production module, a hydrogen deoxygenation module, an adsorption module, and an ammonia synthesis module connected in sequence; and a nitrogen supply module, a regeneration module, and the adsorption module connected in sequence. When one of the regeneration module and the adsorption module includes a first adsorption tower, the other includes a second adsorption tower. A hydrogen purification module, the nitrogen supply module, and the ammonia synthesis module are all connectable and disconnectable to the first adsorption tower and the second adsorption tower. The nitrogen supply module supplies nitrogen, the regeneration module uses nitrogen to perform desorption regeneration in the first adsorption tower or the second adsorption tower and supplies nitrogen to the adsorption module. The hydrogen production module supplies hydrogen to be purified, and the hydrogen deoxygenation module purifies the hydrogen to be purified and then supplies it to the adsorption module. The adsorption module purifies hydrogen and nitrogen and then supplies them to the ammonia synthesis module, which is at least conducive to reducing energy consumption and system investment costs.
Resumen de: JP2026146518A
【課題】高い水分解活性を有し、光触媒を用いた太陽光照射による水分解に用いられる水分解用チタン酸ストロンチウム光触媒を提供する。【解決手段】粒子密度が４．０ｇ・ｃｍ－３以上、比表面積が２ｍ２・ｇ－１以上２５ｍ２・ｇ－１以下であり、イリジウムがドープされた、チタン酸ストロンチウム粒子。【選択図】なし
Resumen de: EP4807047A1
0001 This invention discloses an iridium-based nanowire comprising a twin crystal composed of iridium and at least one transition metal selected from iron, cobalt, and nickel, preferably, the diameter d of the nanowire is 0.5 to 6 nm, and more preferably, the grain size of the twin crystal is (0.8-1.1)·d nm. This invention also relates to an iridium-based catalyst comprising the iridium-based nanowire and preparation methods of the iridium-based nanowire and the iridium-based catalyst. The catalyst of this invention has the advantages of large electrochemical active surface area, high catalytic activity for oxygen evolution reaction, and good stability.
Resumen de: WO2025150261A1
Problem To provide: an ammonia-hydrogen mixed fuel production device capable of stably obtaining hydrogen from ammonia even when the required ratio of fuel is changed; and a fuel supply system. Solution The present invention comprises: an oxygen supply unit 1013 for supplying oxygen having a desired concentration; a raw material supply unit 1014 for supplying ammonia, which is a raw material gas, having a desired concentration; a reforming reactor 1015 which converts the ammonia into hydrogen by using the oxygen having a desired concentration and supplied from the oxygen supply unit 1013, and thereby forms a reformed gas G12; a gas component analyzer 1017 which is provided in a reformed gas discharge line L4 for discharging the reformed gas G12 from the reforming reactor 1015, and which measures the concentration of the hydrogen and/or the ammonia in the reformed gas G12; and a plate-type heat exchanger 1030 which is provided at an intersection part between a raw material supply line L3 for supplying a raw material gas G11 and the reformed gas discharge line L4 for discharging the reformed gas G12, and which heat-exchanges the raw material gas G11 with the high-temperature reformed gas G12.
Resumen de: CN122751210A
本发明属于碱性电解海水制氢技术领域，具体涉及一种阻断阳极侵蚀的碱性海水电解制氢电解液及其应用。所述海水电解制氢电解液，由海水、碱性电解质和含氧阴离子添加剂混合制成。其中，所述碱性电解质为氢氧化钠。所述含氧阴离子添加剂选自磷酸盐、碳酸盐、硫酸盐和硝酸盐中的任一种或几种。所述碱性电解质的终浓度为0.1mol/L~2.5mol/L。所述含氧阴离子添加剂的终浓度为0.015mol/L~3mol/L。本发明的海水电解制氢电解液在250h内的电解电压波动幅度仅为0.5V。且在500mA/cm2的大电流密度下仍能维持250h以上的稳定运行。本发明的海水电解制氢电解液能保护阳极金属不被腐蚀和保护阳极表面的催化剂的活性。
Resumen de: CN122751231A
0001 本发明提供一种具有物相记忆效应的钙钛矿析氧材料及其相变调控方法。所述钙钛矿析氧材料为A位同时含有碱土金属与稀土金属的ABO<3>型氧化物，经酸处理后A位碱土金属部分脱出，物相转变为富稀土钙钛矿相，该相在碱性电解液中表现出显著提升的析氧反应催化活性；进一步经空气气氛中热处理，材料体相晶体结构可逆恢复为富碱土金属钙钛矿相，实现物相记忆效应。本发明实现钙钛矿析氧材料体相导电性与表面活性优化的协同。
Resumen de: CN122745883A
本发明公开了一种内嵌双金属的碳球‑二氧化硅壳层催化剂及其制备方法和应用，所述催化剂包括碳球载体；双金属纳米粒子，所述双金属纳米粒子内嵌于所述碳球载体的表面；以及二氧化硅壳层，所述二氧化硅壳层包覆于所述双金属纳米粒子部分表面的外部，形成半包覆结构。本发明首次构建了“内嵌双金属@碳球@SiO2”的独特分级结构。双金属纳米粒子部分内嵌于碳球表面，既利用了碳球的导电性和锚定效应防止金属迁移团聚，又保证了活性位点的充分暴露。外层SiO2的半包覆结构不仅进一步稳定了金属粒子，其亲水性还有助于吸附水分子，促进水解反应的进行。
Resumen de: CN122751224A
0001 本公开的实施例提供一种具有梯度催化层的膜电极、制备方法及电解水制氢系统，膜电极包括依次配置的阳极催化层、离子交换膜和阴极催化层，阳极催化层与阴极催化层分别具有多个孔洞，沿着远离离子交换膜的方向，孔洞的密度逐渐增加。通过在阳极催化层和阴极催化层分别设置沿着远离离子交换膜的方向逐渐增多的孔洞，即沿着远离离子交换膜的方向催化剂量逐渐减小的阳极催化层和阴极催化层，提高催化剂的利用率；沿着远离离子交换膜的方向孔洞数量逐渐增多，有利于气体向背离离子交换膜的方向扩散，增强气液传质过程，同时，可以保证阳极催化层和阴极催化层中的催化剂点位结构连续，从而提高阳极催化层和阴极催化层的稳定性和反应活性。
Resumen de: CN122751975A
0001 本申请提供一种盐穴造腔系统及方法，涉及水溶造腔技术领域，用于通过电解卤水的方式提高盐穴的排卤效率。该盐穴造腔系统包括：至少一个注液管道，注液管道用于向盐穴内注水，在盐穴中形成卤水；至少两个排气管道，每个排气管道内包括一种极性的电解电极，至少两个排气管道中至少包括一个内部设置有阳极的排气管道和一个内部设置有阴极的排气管道，排气管道用于输送电解电极电解卤水产生的气体；在每个排气管道内，电解电极设置的位置高于排气管道靠近盐穴一侧的端口，排气管道远离盐穴的一侧设置有阀门，在阀门关闭时排气管道内的气体压力上升，排气管道内的液面下降直至排气管道内的电解电极与卤水分离。
Resumen de: CN122751229A
0001 本发明提供一种碱性电解水制氢系统的极板、其制造方法和包括其的碱性电解水制氢系统。所述碱性电解水制氢系统的极板包括基板和设置在所述基板的表面上的镀层，所述基板包含碳钢，所述镀层包含镍、铈和氧。根据本发明的碱性电解水制氢系统的极板，在提高抗腐蚀性能的同时降低成本。
Resumen de: CN122745937A
0001 本发明公开了一种氨分解制氢成型催化剂及其制备方法与应用，属于催化剂技术领域，原料包括粉末催化剂、粘结剂、固体润滑剂、液体润滑剂和孔结构改性剂；其中，以粉末催化剂的重量为100%计，粘结剂添加量为1‑20%；固体润滑剂添加量为0.1‑5 %；孔结构改性剂添加量为1‑10 %；液体润滑剂添加量为0.01‑8mL/g粉末催化剂；所述粉末催化剂以多金属氮化物为载体，负载Co和CeO<2>。本发明提出了“分段干燥‑真空焙烧”的工艺路线，实现了从粉体到高强度成型体的可控转化。本发明解决了传统成型技术中“强度高则活性低”的技术矛盾，实现了径向压碎强度≥100N/cm与活性保留率≥99%的双重优异指标，填补了高性能氨分解成型催化剂的市场空白。
Resumen de: KR20260136259A
0001a 본 발명은 복수의 전열체가 독립적인 온도 조절 기능을 가짐으로써 특정 영역을 더 높은 온도로 가열하거나 균일한 온도 분포를 유지 가능할 수 있으며, 전열체의 그룹 개수 및 그룹 당 전열체 수를 조절하여 다양한 용량으로 설계할 수 있는 유체 가열용 전기 히터에 관한 것이다.
Nº publicación: CN122751228A 15/09/2026
Solicitante:
中国科学院化学研究所
Resumen de: CN122751228A
本发明公开了一种泡沫镍负载FeCo‑MOF纳米花状自支撑析氧阳极及其制备方法和应用。所述自支撑析氧阳极包括泡沫镍导电基底以及原位生长于所述泡沫镍导电基底表面的FeCo‑MOF纳米花催化层；所述FeCo‑MOF纳米花催化层由相互交错组装的MOF纳米花瓣构成，所述MOF纳米花瓣表面、孔道区域或近表层区域分布有Fe、Co、Ni中至少一种金属的氧化物的纳米颗粒，形成具有开放孔道、丰富暴露活性位点和有利于气泡脱附的三维纳米花结构。本发明的自支撑析氧阳极在碱性析氧反应和阴离子交换膜水电解中表现出优异的大电流密度析氧性能和长时间运行稳定性，适用于工业级水电解制氢阳极。
BOPI
Sede Electrónica
