Pilas de combustible

一种基于三电极体系的两步法电解水制氢的装置及其工艺

Resumen de: CN121538667A

本发明公开了一种基于三电极体系的两步法电解水制氢的装置及其工艺，包括电源与两个以上串联的三电机电解池，单个三电机电解池包括电解液储罐，电解液储罐内设置有产氢催化电极、氢氧化镍电极与产氧催化电极，其中首个电解液储罐的氢氧化镍电极通过单刀双掷开关和电路分别与电源的正负极连通，其中一组电解液储罐的氢氧化镍电极与相邻另一组电解液储罐的产氢催化电极、产氧催化电极通过单刀双掷开关连通，尾部电解液储罐的产氢催化电极、产氧催化电极分别通过两组单刀双掷开关与电源的正负极连通。本发明的优点在于制氢纯度高、成本低，且易于串并联集成化和操作。

Water-hydrogen combined power generation energy storage scheduling method and system considering switching between high water period and low water period

Resumen de: CN121546709A

The invention discloses a water-hydrogen combined power generation and energy storage scheduling method and system considering switching between a high water period and a low water period, and the method comprises the steps: obtaining a hydropower station scheduling instruction, and determining a target load curve and a water period which comprises a high water period and a low water period; in a wet season, judging whether the target load at each moment is greater than or equal to the total capacity of the power station, and calculating a theoretical generated power margin; if the theoretical power generation power margin is between the rated power and the minimum power of the electrolytic hydrogen equipment, the electrolytic hydrogen equipment is started, the complementary energy is used for hydrogen production, and the produced hydrogen is stored in a hydrogen storage tank; if the theoretical power generation margin is smaller than the minimum power of the electrolytic hydrogen equipment, hydrogen is taken from a hydrogen storage tank for hydrogen combustion power generation power supplementation; if the theoretical generated power margin is greater than the rated power of the electrolytic hydrogen equipment, the power station generates power according to the dispatching instruction, and the electrolytic hydrogen equipment is not started; in a dry season, judging whether the power generation capacity of the hydropower station meets a dispatching instruction; the comprehens

Three-section electrolytic cell hydrogen production power supply system and power supply control method thereof

Resumen de: CN121546932A

The invention relates to the field of clean energy electrolysis hydrogen production, in particular to a three-section electrolytic bath hydrogen production power supply system and a power supply control method thereof. According to the system, an alternating current bus module is connected with three-phase alternating current and provides a three-phase alternating current power supply; the power supply conversion module comprises three power supply conversion units, the three power supply conversion units are jointly connected to the alternating current bus module in parallel, and each power supply conversion unit converts the three-phase alternating current power supply into a working direct current power supply; the three-section type electrolytic bath comprises three sub-electrolytic baths which are connected in series, and each sub-electrolytic bath is correspondingly connected with one power supply conversion unit to obtain the working direct-current power supply; the power supply conversion unit comprises a rectification circuit, a three-level BUCK circuit and a resonance LLC cascade circuit which are connected in sequence. According to the invention, accurate power distribution and independent decoupling control of a load section are realized through the independent modular power supply; meanwhile, harmonic interference is restrained, the power factor is improved, and device stress and line loss are reduced.

Electric hydrogen production frequency modulation system frequency control method based on model predictive control

Resumen de: CN121546581A

The invention belongs to the field of power system frequency modulation, and particularly discloses an electric hydrogen production frequency modulation system frequency control method based on model predictive control. According to the method, the prediction model is established based on the dynamic characteristics of the electrolytic cell power, so that the frequency and inertia of the next moment can be predicted according to the current state, and the influence of the power hysteresis characteristic is quantified; based on the prediction result, the additional frequency modulation power at the next moment is optimized and solved by utilizing a multi-target cost function to comprehensively plan frequency deviation, inertia back-compensation, a droop coefficient and the like, and the core is to convert prediction information into an optimized decision so as to actively compensate the lag effect and coordinate multiple control targets; and finally, according to the optimization decision, an accurate power control signal is generated and executed, so that the power regulation of the electrolytic cell can accurately match the real-time frequency support requirement of the system. Compared with the prior art, the problem of control mismatch caused by insufficient consideration of the power lag characteristic is solved, so that the frequency oscillation of the power grid is effectively suppressed.

一种煤基碳纤维负载磷化钴自支撑催化剂的制备方法及其在电解水制氢中的应用

Resumen de: CN121538670A

本发明公开了一种煤基碳纤维负载磷化钴自支撑催化剂的制备方法及其在电解水制氢中的应用，属于电解水催化剂技术领域。该催化剂由煤基碳纤维载体和负载于其上的磷化钴活性组分组成；磷化钴活性组分由钴基层状氢氧化物与ZIF‑67的复合前驱体经磷化处理衍生得到。具体方法为：以静电纺丝法制备的煤基碳纤维为载体，在含有六水合硝酸钴和聚乙烯吡咯烷酮的水溶液中采用电沉积法在其表面生长钴基层状氢氧化物，再通过浸渍法原位生长ZIF‑67，形成钴基层状氢氧化物与ZIF‑67复合的前驱体结构，最后经磷化处理得到煤基碳纤维负载磷化钴自支撑催化剂。该催化剂具有亲水性、电解水催化活性和稳定性。

一种用于制备不同氘丰度标气的装置

Resumen de: CN121538657A

本申请提供一种用于制备不同氘丰度标气的装置，包括：进料单元，提供天然水，天然水包括氘水和氢水；电解制氢单元，电解天然水生成标气，标气包括氢气和氘气；水氢液相催化交换单元，包括在第一方向上依次连通的第一进料口、催化交换柱和第二进料口，第一进料口用于将标气传输至催化交换柱，第二进料口用于将天然水传输至催化交换柱；催化交换柱中氘气和氢水发生氢同位素交换反应，得到沿第一方向上氘丰度依次减小的标气；催化交换柱包括沿第一方向依次设置的至少两个出料口，任意两个出料口输出的标气的氘丰度不同。本申请的装置通过液相催化交换联合电解的方法，可以同时获得不同氘丰度的标气。

Preparation and hydrogenation integrated cabin and preparation and hydrogenation method

Resumen de: CN121539737A

The invention relates to the technical field of hydrogen production and hydrogenation equipment, and particularly discloses a hydrogen production and hydrogenation integrated cabin and a hydrogen production and hydrogenation method.The hydrogen production and hydrogenation integrated cabin comprises a hydrogen production and hydrogenation integrated system and an auxiliary integrated system.The hydrogen production and hydrogenation integrated system comprises a hydrogen production system, a hydrogen compression system, a hydrogen storage system and a hydrogenation system, the auxiliary integrated system comprises a rectifier cabinet, a control cabinet, a driving gas supply system, a pure water system and a safety fire extinguishing system; the hydrogen compression system comprises a plurality of gas-driven piston pumps and a central pneumatic unit providing a driving gas source, and each gas-driven piston pump is provided with an independent gas inlet valve, an independent exhaust valve and an independent pressure sensor. The problems that the compression energy efficiency is low and the stability is insufficient due to the fact that a single fixed-displacement compressor is adopted in traditional hydrogen production and hydrogenation integrated cabin equipment are solved.

Large alkaline electrolyzed water system based on compressed steam refrigeration cycle

Resumen de: CN121538655A

The invention discloses a large alkaline electrolysis water system based on compressed steam refrigeration cycle. The system comprises an alkaline electrolysis water hydrogen production system, a steam compression type refrigeration cycle system, a gas purification system and a waste heat utilization system. The water electrolysis hydrogen production and waste heat utilization system is used for electrolyzing water, producing hydrogen and oxygen, carrying out steam-water separation, washing and cooling separated gas, removing water, removing impurities in alkali liquor at an inlet of an electrolytic bath, providing waste heat produced by water electrolysis into the deoxidation system, and heating the alkali liquor at the inlet of the electrolytic bath in the circulation loop at the same time. The compression type refrigeration cycle system cools a gas-liquid mixture through flowing of a refrigerant in the system and heats hydrogen at an inlet of the regeneration drying tower, so that the temperature of the hydrogen at the inlet is increased. And the gas purification system is used for deoxidizing and drying the hydrogen to finally obtain high-purity hydrogen. According to the invention, the loss of alkali, water, heat and electric energy in the water electrolysis process is reduced, and the energy utilization rate of the whole hydrogen production system is improved.

一种磺酸化氮化碳纳米片光催化剂及其制备方法和在光催化制氢中的应用

Resumen de: CN121534764A

本发明涉及光催化制氢技术领域，具体公开了一种磺酸化氮化碳纳米片光催化剂，其是通过将含氮前驱体进行热处理后，得到氮化碳前驱体；再将与硫酸溶液混匀后微波处理，固液分离后得到磺酸化氮化碳纳米片光催化剂；本发明制备的磺酸化氮化碳纳米片光催化剂，具有更高的比表面积，更窄的带隙能量以及更大的光响应范围，并且具有更高的光催化产H2活性，应用前景广泛。

一种基于固体氧化物电解池电解重水制备高纯氘气的系统及方法

Resumen de: CN121538660A

本发明公开了一种基于固体氧化物电解池电解重水制备高纯氘气的系统及方法。该系统包括重水加热装置、SOEC反应器、立式管式炉、氘气冷凝装置、外加电源和氘气存储罐。SOEC反应器位于立式管式炉中，固体氧化物电解池的两端连接外加电源。重水通过加热装置气化后直接输入到固体氧化物电解池的阴极，通过外加电压，将重水蒸汽电解为氘气，同时产生氧离子，氧离子通过电解质传输到阳极，在阳极氧化为氧气，实现重水电解制备高纯氘气的目的。该系统利用SOEC技术直接将重水蒸汽高温电解，经氘气干燥装置即可得到高纯氘气。该方法操作性强，安全风险低，易于规模化生产，解决了现有技术的重水除杂成本高，低温电解能耗高、效率低的问题。

一种原位生成的碱性电解水隔膜及其制备方法

Resumen de: CN121538683A

本发明涉及复合隔膜技术领域，具体涉及一种原位生成的碱性电解水隔膜及其制备方法。隔膜包括聚合物基体，所述聚合物基体由聚砜和/或聚醚砜构成；所述聚合物基体内部含有原位生成的层状双金属氢氧化物纳米颗粒；其制备方法包括首先将碱性前驱体加入有机极性溶剂中，将溶液pH值控制在8‑11，得到碱性极性溶液，再将聚砜或聚醚砜溶解于碱性极性溶液中，随后将金属盐前驱体加入到聚合物溶液中，使层状双金属氢氧化物在聚合物溶液中原位生成，搅拌使金属盐前驱体和聚合物搅拌混合，最终对聚合物溶液进行流延、相转化、后处理，随后固化成膜。本发明降低了隔膜的面电阻的同时还提升了复合隔膜的化学稳定性与长期运行稳定性，具有规模化生产的前景。

一种二维闪锌矿结构Zn1-yCdySe纳米片及其制备方法和应用

Resumen de: CN121536888A

本发明涉及纳米材料技术领域，具体地，涉及一种二维闪锌矿结构Zn1‑yCdySe纳米片及其制备方法和应用。所述制备方法包括以下步骤：1）在保护气存在的条件下，将一价铜源溶液与CuSe纳米片溶液反应，制得立方相Cu2‑xSe纳米片；2）将步骤1）中制得的立方相Cu2‑xSe纳米片分散于非极性溶剂与磷系助剂的混合液中得前驱体溶液，将金属盐溶于极性溶剂得金属盐溶液，将前驱体溶液与金属盐溶液混合反应；其中，所述金属盐溶液含锌源与镉源；0≤x≤1；0.05≤y≤0.3。该制备方法原料易得，反应温和，条件可控，适用于工业化大批量生产；同时，制得的纳米片催化性能优异，稳定性强，在光催化水分解领域展现出优异的催化性能。

一种Co-Co3B界面双活性位点修饰的木质炭催化剂及其制备方法和应用

Resumen de: CN121534765A

本发明属于氨硼烷水解析氢技术领域，公开一种Co‑Co3B界面双活性位点修饰的木质炭催化剂及其制备方法和应用。所述催化剂为核壳结构并且以BNC为壳，以Co‑Co3B异质结构为核；所述催化剂具有双活性位点：Co纳米颗粒和Co3B纳米颗粒，并且Co和Co3B之间存在界面结构；其中，所述BNC为氮化硼改性木质炭且具有多孔结构。本发明创造性地设计了Co‑Co3B界面双活性位点修饰的木质炭催化剂，BNC壳的存在不仅避免了催化剂失活还限制了金属颗粒的团聚，Co3B的引入增加了活性位点，与此同时，Co和Co3B之间还存在界面结构，优化了催化剂的电子结构和配位环境，降低了反应物分子的解离能垒，提高了催化活性，该催化剂在NH3BH3水解反应性能测试中，具有优异的催化性能，其产氢速率达到了10492mL·min‑1·gCo‑1。

Photovoltaic power generation and reversible solid oxide battery coupled energy system and multi-mode cooperative operation method

Resumen de: CN121546687A

The invention relates to the technical field of renewable energy source storage and conversion, and particularly provides a photovoltaic power generation and reversible solid oxide battery coupled energy system and a multi-mode cooperative operation method, and the core scheme of the invention is that seamless switching of a single RSOC electric pile between an SOEC mode and an SOFC mode is realized through a valve control system; redundant electric energy drives the RSOC to electrolyze water to generate green hydrogen for storage; and in the photovoltaic valley period, the stored hydrogen is used for power generation and energy supply. The system is integrated with a heat recovery unit, waste heat gradient utilization is achieved, and efficiency is improved. The method has the beneficial effects of reducing equipment cost, avoiding starting and stopping thermal cycle, prolonging the service life, realizing stable supply of electric energy peak load shifting, and being capable of being expanded to renewable energy scenes such as wind energy. Through an innovative coupling mechanism, the problems of storage and volatility of renewable energy sources are efficiently solved.

水分解装置

Resumen de: JP2023012629A

To provide a water decomposition device capable of easily collecting generated hydrogen, the whole device being easily and compactly configured.SOLUTION: A water decomposition device (1) comprises: an electrolytic cell (5) in which an electrolytic solution (3) is housed; an oxygen generation electrode (9) which is a photoelectrode including an n-type semiconductor layer (7) immersed in the electrolytic solution (3) in the electrolytic cell (5); and a hydrogen generation electrode (13) including a hydrogen storage alloy layer (11) immersed in the electrolytic solution (3) in the electrolytic cell (5).SELECTED DRAWING: Figure 1

水素生成システム

Resumen de: EP1000000A1

The invention relates to an apparatus (1) for manufacturing green bricks from clay for the brick manufacturing industry, comprising a circulating conveyor (3) carrying mould containers combined to mould container parts (4), a reservoir (5) for clay arranged above the mould containers, means for carrying clay out of the reservoir (5) into the mould containers, means (9) for pressing and trimming clay in the mould containers, means (11) for supplying and placing take-off plates for the green bricks (13) and means for discharging green bricks released from the mould containers, characterized in that the apparatus further comprises means (22) for moving the mould container parts (4) filled with green bricks such that a protruding edge is formed on at least one side of the green bricks.

水素の製造方法

Nº publicación: JP2026025239A 16/02/2026

Solicitante:

トヨタ自動車株式会社

Resumen de: JP2026025239A

【課題】無機化合物を含む不溶化補助剤を必要とせず、かつ簡便な方法で行える水素の製造方法を提供すること。【解決手段】本開示にかかる水素の製造方法は、アルミニウム合金をアルカリ溶液に反応させて水素を製造する方法であって、アルカリ溶液は、界面活性剤を含み、界面活性剤は、アルミニウム合金に含まれる不純物を不溶化する不溶化補助剤である。これにより、無機化合物を含む不溶化補助剤を必要とせず、かつ簡便な方法で行える水素の製造方法を提供することができる。【選択図】図１