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860
results.
Updated on
15/11/2026 [07:11:00]
Results 500 to 525 of 860
Absstract of: CN122856248A
0001 本发明公开了一种高熵碲化物复合材料及其制备方法和应用，所述高熵碲化物复合材料包括碲纳米线，所述碲纳米线上负载有高熵合金PtRuCoNiFe。该复合材料具备规整的核壳结构、元素分布均匀、结晶度优异，可作为海水电解制氢析氢反应催化剂使用。本发明制备工艺简单、原料易得、反应条件温和、绿色无污染，适合规模化生产；所得催化剂在模拟海水体系中析氢过电位低、催化活性高、长期运行稳定性优异，有效解决了传统贵金属催化剂成本高昂、常规电解催化剂动力学缓慢、易被海水组分腐蚀、稳定性差等问题，具备广阔的工业化应用前景。
Absstract of: CN122850174A
本发明涉及镍催化剂技术领域，公开了一种泡沫镍负载微纳纤维催化剂及其制备方法与应用。上述泡沫镍负载微纳纤维催化剂的制备方法，包括以下步骤：S1开孔泡沫镍经酸、碱预处理后清洗干燥；S2将聚乙烯醇缩丁醛加入乙醇中溶解，再加入60Ni/Ce0.6Zr0.4O2微纳纤维催化剂球磨，得到浆料；S3浸渍泡沫镍使浆料进入三维连通孔道；S4轴向吹气疏通孔道；S5干燥后空气焙烧，脱除溶剂并分解PVB，使催化剂固定于骨架，形成单次涂层；S6选择性地重复S3至S5，多次叠加薄层。本发明方法实现了高上载率、无孔道堵塞、优异高温稳定性的三重目标，使得本发明泡沫镍负载微纳纤维催化剂能够应用在固定床或模块化反应器中的氨分解制氢过程。
Absstract of: CN122856253A
本发明提供了一种电解水阳极电催化剂的制备方法，该方法为：将FeCl2·4H2O和NiCl2·6H2O溶解在溶剂中，得到A溶液；将N‑（膦酰甲基）亚氨基二乙酸水合物溶解在溶剂中，得到配体溶液；将配体溶液滴加至A溶液中，磁力搅拌后，将得到的混合溶液150℃反应后，过滤收集沉淀物质，用超纯水、无水乙醇洗涤后，真空干燥后，得到电解水阳极电催化剂。还提供了应用，该电解水阳极电催化剂用于电解水的析氧反应。本发明的电解水阳极电催化剂为设计高效非贵金属OER电催化剂提供了一种简便的合成策略，对推动电解水制氢技术的发展具有参考价值。
Absstract of: CN122856271A
本发明涉及制氢过程控制技术领域，具体为一种AEM电解水制氢过程控制方法，包括以下步骤：采集AEM电解槽的槽电压波动信号序列，执行时频转换操作生成电压频谱图；处理所述电压频谱图的频率分量幅值参数，并利用幅值降序排列队列的首位频率分量幅值参数映射出气泡界面共振频率量值；将采集的宏观运行状态参量输入气泡动力学观测模型以估算微尺度气泡生长形变参量。本发明中，解析波形离散点时间间隔参数和电流幅值参数，形成高频脉冲电流指令集合，进一步生成电能调制控制参数，使直流电源输出能够随气泡界面状态、电极遮蔽程度、驰豫波形变化同步调节，提升制氢过程中的动态负载适应能力。
Absstract of: CN122856264A
本发明涉及制氢技术领域，公开了一种Mn‑NiFeMOF复合结构电极及其制备方法和应用。本发明Mn‑NiFeMOF复合结构电极包括作为基体的泡沫镍，以及在泡沫镍表面原位生长形成的三维层次化Mn‑NiFeMOF/LDH异质结构；所述三维层次化Mn‑NiFeMOF/LDH异质结构由MOF‑74衍生纳米骨架与Mn‑NiFeLDH纳米片阵列构成。本发明聚焦界面结构调控与多金属协同改性，设计制备得到了一种具有稳定异质界面、优异电子传输性能的MOF/LDH复合电极材料，可有效解决传统复合材料结构易坍塌、界面失稳、稳定性差等问题，大幅提升碱性条件下电催化析氧性能与长效循环稳定性。
Absstract of: MX2026004673A
A method for manufacturing a catalyst coating for a recipient component of a PEM electrolyser, comprising the steps of: processing a pre-used catalyst-coated donor component to recover a quantity of a catalyst; converting the catalyst recovered from the donor component into a powder, thereby producing a low-ECSA recycled catalyst powder; and blending the recycled catalyst powder with a quantity of high-ECSA unrecycled catalyst powder to form a blended catalyst powder.
Absstract of: CN119727395A
The invention provides an isolation circuit for a hydrogen production system and a renewable energy hydrogen production system comprising the same, the isolation circuit comprises at least one DC conversion module and at least one DC-AC converter, and the DC conversion module comprises a single output port and a multi-output port; a single output port of the DC conversion module is coupled with the DC side of the DC-AC converter; a plurality of output ports of the DC conversion module are coupled with a plurality of external unidirectional power flow units and/or bidirectional power flow units, and the unidirectional power flow units at least comprise hydrogen production units; and the AC end of the DC-AC converter is coupled and connected with an external AC power grid or a DC power grid in series. According to the scheme, the application requirements of two coupling situations are met at the same time, various types of external units are effectively fused, all parts in the system are fused into a whole, the cost is reduced, and meanwhile positioning and maintenance of faults are facilitated.
Absstract of: MX2026003132A
A method and system for capturing carbon dioxide from the air with a carbon contactor (also referred as to a carbon capture device), using an carbonate lean/poor alkaline solution to produce a carbonate rich alkaline rich solution, sending the resulting carbonate rich solution to an electrolyzer to generate hydrogen gas, and using the hydrogen gas to power a power plant, the hydrogen gas either used alone, or blended with natural gas or ammonia, and at least some of the power generated by the power plant is used to power the contactor and the electrolyzer.
Absstract of: US20260196544A1
0000 The present disclosure relates to the technical field of water electrolysis, in particular to a low-hydrogen-permeability proton exchange membrane as well as a preparation method and use thereof. The proton exchange membrane comprises a Pt-based additive layer and a substrate membrane, wherein the Pt-based additive layer consists of a Pt-based additive and a fluorinated proton exchange resin and comprises an array layer and a flat layer, with the thickness ratio and active components ratios of the array layer to the flat layer ranging from 1:(0.5-30) to 1:(1-50), and the array layer is composed of an orderly arranged arrays and an array layer resin wrapping the arrays. The low-hydrogen-permeability proton exchange membrane provided by the present disclosure has the Pt-based additive layer composed of the array layer and the flat layer.
Absstract of: WO2025195842A1
This invention provides a method for generating hydrogen. The comprises using a heater cable (511), provided inside a wellbore (510) in a mafic or ultramafic rock formation (400), to heat the rock formation (400) to a temperature of about 200 to 600 degrees Celsius.
Absstract of: EP4611202A1
0001 The invention relates to a method for controlling an electrolyzing plant (10), comprising: - providing electric energy from an electric power network (32) with a network AC voltage; - rectifying the network AC voltage by a rectifying device (50, 52, 54, 56, 58, 60, 62, 64); - supplying water to the electrolyzing device (34, 36); - providing an AC filter current flow by an active filter device (100), wherein the AC filter current flow is controlled such that it conforms to network regulations of the electric power network; - measuring the network AC voltage by using a voltage sensor (128) which provides a respective voltage sensor signal; - comparing the voltage sensor signal with a first reference voltage value providing a comparing result; - depending on the comparing result, causing the active filter device (100) to emit electric energy to or to receive electric energy from the electric power network.
Absstract of: MX2026010597A
The present invention relates to boiling water reactors arranged to receive a synthesis gas for producing raw gas products, such as a raw methanol product, particularly for transient operation, such as where the synthesis gas is at least partly provided by producing hydrogen by electrolysis of water or steam. Embodiments of the invention include a boiling water reactor, a method of revamping an existing boiling water reactor, and a process for producing raw gas product, such as raw methanol product, utilizing the boiling water reactor.
Absstract of: CN122856217A
0001 本发明公开了一种电解水制氢的循环水冷却装置，涉及电解制氢配套设备领域，该装置包括冷却箱体，所述冷却箱体的内壁中下部固定连接有导热排管，所述冷却箱体的内壁中上部设置有自旋喷淋机构，所述冷却箱体的顶部设置有气流抽吸机构，所述冷却箱体的侧壁设置有通风检修构件，所述冷却箱体的底部设置有集水支撑构件。本发明可以通过设置的导热排管与封闭箱体结构，将制氢高纯循环液封闭在管内完成热交换，避免循环液直接接触外界空气混入杂质，配合自旋喷淋机构与气流抽吸机构形成的蒸发冷却结构，提升装置整体的换热散热能力，适配制氢系统高负荷运行的散热需求置。
Absstract of: WO2026206118A1
The present invention relates to a porous separator having low permeability and low resistance characteristics for alkaline water electrolysis, and a manufacturing method therefor. The porous separator may comprise (a) a porous structure layer including ceramic nanoparticles and a polymer binder including a polyarylene sulfone-based polymer and a perfluorosulfonic acid-based (PFSA) polymer, (b) a polyphenylene sulfide (PPS) porous support coated with the porous structure layer, and optionally (c) a polyvinyl alcohol (PVA) coating layer. In addition, the separator is manufactured using a nonsolvent-induced phase separation (NIPS) process. According to the present invention, by introducing the PFSA polymer, a pore structure is uniformly formed, excessive pores are suppressed, and ion transfer resistance is reduced by improving hydrophilicity. Accordingly, a separator for alkaline water electrolysis having excellent durability while achieving both low membrane resistance and low hydrogen permeability can be provided.
Absstract of: AU2025253291A1
Geologic hydrogen production and related systems and methods are generally described.
Absstract of: US20260297767A1
An electrolysis cell includes: a band-shaped stacked body including a diaphragm including a first surface and a second surface, a cathode stacked on the first surface of the diaphragm, and an anode stacked on the second surface of the diaphragm, the stacked body meandering in a first direction and extending in a second direction; a first current collector that extends in a rod shape in a third direction perpendicular to the first direction and the second direction, and abuts on the cathode at a first curved portion where the stacked body is curved such that the first surface is located on the inner side; and a second current collector that extends in a rod shape in the third direction, and abuts on the anode at a second curved portion where the stacked body is curved such that the second surface is located on the inner side.
Absstract of: DE102025112396A1
Die Erfindung betrifft eine Elektrochemische Zelle (12), insbesondere Elektrolysezelle (14), aufweisend ein Zellsubstrat (16), eine erste Elektrodenschicht (26), eine zweite Elektrodenschicht (32), eine zwischen der ersten Elektrodenschicht (26) und zweiten Elektrodenschicht (32) angeordnete Elektrolytschicht (28), wobei das Zellsubstrat (16) flächig ausgebildet ist und eine Mehrzahl an Strukturelementen (20) aufweist. Es wird vorgeschlagen, dass sich die Strukturelemente (20) in das Zellsubstrat (16) hinein absenken und jeweils eine Erstreckung (34) zwischen 20% und 80% einer Substratdicke (36) des Zellsubstrats (16) aufweisen, bevorzugt zwischen 30% und 70%, besonders bevorzugt zwischen 40% und 60%.
Absstract of: WO2026202230A1
A method and system for the production of a synthetic fuel Method and system for the production of a synthetic fuel comprising C5+ hydrocarbons which uses gaseous feedstocks of hydrogen and carbon monoxide and/or dioxide to produce a methanol intermediate with an electrochemical reactor and an enzymatic treatment unit before a two-stage reaction process produces the synthetic fuel via dehydration of the methanol to dimethyl ether.
Absstract of: WO2026202262A1
The present disclosure provides a method and a system for sequestration of carbon dioxide from an oxy-fuel combustion thermodynamic system (100) and production of fine chemicals. The method includes burning a fuel with oxygen to produce energy and carbon dioxide, splitting carbon dioxide into a mixture of oxygen and carbon monoxide through a plasma-assisted catalytic carbon dioxide conversion reaction, separating a stream of carbon monoxide and a stream of oxygen from the mixture, and 10 recirculating oxygen to the fuel burning step. The system includes a plasma-assisted catalytic carbon dioxide conversion reactor (30) coupled to the oxy-fuel combustion thermodynamic system (100) through a carbon dioxide line (3), and an oxygen separator (40) coupled to the reactor (30) through an oxygen and carbon monoxide mixture line (4). The oxygen separator (40) is coupled to the oxy-fuel combustion thermodynamic system (100) through an oxygen recirculation line (5). The system can additionally comprise a hydrogen production unit (50, 70) to produce hydrogen, which is then mixed in a mixing station (60) with the separated carbon monoxide from the oxygen separator (40) to produce syngas.
Absstract of: WO2026203859A1
Provided is a hydrogen generator that can be miniaturized. The present invention comprises: a water-permeable member that carries a photocatalyst; and a pair of gas barrier members that sandwich the water-permeable member.
Absstract of: DE102025111619A1
Die Erfindung betrifft ein Verfahren (10) zur Herstellung einer elektrochemische Zelle (12), insbesondere Elektrolysezelle (14), aufweisend ein Zellsubstrat (16), eine erste Elektrodenschicht (26), eine zweite Elektrodenschicht (32), eine zwischen der ersten Elektrodenschicht (26) und zweiten Elektrodenschicht (32) angeordnete Elektrolytschicht (28), wobei die Elektrolytschicht (28) mittels eines physical vapour deposition (PVD) Verfahrens abgeschieden wird. Es wird vorgeschlagen, dass auf die Elektrolytschicht (28) eine Versiegelungsschicht (30) mittels atomic layer deposition (ALD) abgeschieden wird.
Absstract of: WO2026202991A1
A water electrolysis system (10) comprises a plurality of water electrolysis devices (12), a power supply device (14) for supplying current to the plurality of water electrolysis devices, a tank (16) that can accommodate oxygen gas generated at the plurality of water electrolysis devices, and a control unit (64) that controls supply of current from the power supply device to the plurality of water electrolysis devices. The control unit starts supply of current from the power supply device to a first water electrolysis device (12a) of the plurality of water electrolysis devices and then starts supply of current from the power supply device to a second water electrolysis device (12b) of the plurality of water electrolysis devices.
Absstract of: DE102025111622A1
Verfahren zum Betrieb einer Elektrolysezelle (1) bei dem Wasserstoff (H2) und Sauerstoff (O2) als Produktgase erzeugt werden, wobei die Elektrolysezelle (1) einen Anodenraum (3) und einen Kathodenraum (5) aufweist, die durch eine elektrodenbeschichtete Membran (7) getrennt sind, wobei die Elektrolysezelle (1) mit einem Elektrolysestrom (I) beaufschlagt wird, so dass Sauerstoff-Produktgas im Anodenraum (3) und Wasserstoff-Produktgas im Kathodenraum (5) gebildet wird, wobei ein Fremdgasanteil von Wasserstoff (H2) von dem Kathodenraum (5) durch die Membran (7) in den Anodenraum (3) überführt wird. Dabei wird die Stromdichte (j) variiert und die Wasserstoffpermeationsrate (ṅH2) durch die Membran (7) als Funktion der Stromdichte (j) sowie in Abhängigkeit des Wassertransports (ṅH2O,drag) von dem Anodenraum (3) durch die Membran (7) in den Kathodenraum (5) bestimmt.Die Erfindung betrifft weiterhin einen entsprechenden Elektrolyseur (10a), der für die Durchführung des Verfahrens eingerichtet ist.
Absstract of: US20260297761A1
A hydrogen-electric coupling control method for off-grid green power-based hydrogen production includes: performing maximum power point tracking (MPPT) control on each photovoltaic module to maximize an output power; distributing the output power to a power-type electrolyzer, and stabilizing a current on a low-voltage side at a specified value by adjusting a duty cycle of a boost direct current (DC)/DC converter, such that the power-type electrolyzer always operates at a rated power point; and distributing the output power to a regulation-type electrolyzer, and stabilizing a voltage on a high-voltage side at a target value by adjusting an output voltage of the boost DC/DC converter, such that the regulation-type electrolyzer absorbs a fluctuating part of a photovoltaic power. The hydrogen-electric coupling control method can effectively improve efficiency of a green power-based hydrogen production system, and realize stable and sustainable hydrogen production without relying on energy storage.
Nº publicación: WO2026203446A1 01/10/2026
Applicant:
TOHOKU UNIV [JP]
AZUL ENERGY INC [JP]
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\uFF21\uFF3A\uFF35\uFF2C\u3000\uFF25\uFF4E\uFF45\uFF52\uFF47\uFF59\u682A\u5F0F\u4F1A\u793E
Absstract of: WO2026203446A1
Provided are: a redox-mediated electrolysis cell which is capable of lowering overvoltage at the anode side; a redox-mediated secondary battery cell; a dynamic regenerative redox-mediated electrolysis cell; a redox-mediated electrolysis device; and a method for producing hydrogen. A redox-mediated electrolysis cell according to the present invention is provided with a first anode, a first cathode, a first anode electrolyte solution, a first cathode electrolyte solution, and a first diaphragm that separates the first anode electrolyte solution and the first cathode electrolyte solution from each other. The first anode electrolyte solution contains a redox-mediated reduced form. At the first anode, the oxidation potential of the redox-mediated reduced form is lower than the oxygen generation potential.
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