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Electrolytic bath for electrolyzing brine

Resumen de: CN121586692A

An electrolytic cell (1) for electrolyzing brine comprises: a housing (10) extending in a longitudinal direction (X-X) between a first end portion (11) and an opposite second end portion (12) and having a feed fluid inlet (13) and a product fluid outlet (14); two or more electrolytic cells (20) fluidly connected between the feed fluid inlet (13) and the product fluid outlet (14) and configured to electrolyze brine entering the housing (10) to produce an electrolytic fluid comprising hydrogen, hypochlorite and brine; each electrolytic tank (20) comprises an anode (21) and a cathode (22); the housing (10) comprises: an inner wall (30) extending along a longitudinal direction (X-X) from a first end portion (11) towards a second end portion (12) and dividing at least a portion of the housing (10) into an inlet channel (15) and an outlet channel (16) associated with a feed fluid inlet (13) and a product fluid outlet (14), respectively; a diverting channel (40) at the second end portion (12) configured to divert electrolytic fluid from the inlet channel (15) to the outlet channel (16), the two or more electrolytic cells (20) being arranged along the inlet channel (15), the outlet channel (16) and the diverting channel (40).

アンモニア脱水素用触媒、その製造方法、及びこれを用いた水素製造方法

Resumen de: CN120857975A

The invention discloses a catalyst for ammonia dehydrogenation, a preparation method thereof and a method for preparing hydrogen by using the catalyst. The disclosed catalyst for ammonia dehydrogenation comprises a clay, and an alkali metal and ruthenium impregnated in the clay.

电解水制氢隔膜及其制备方法和电解水制氢装置

Resumen de: CN121575449A

本申请设计制氢技术领域，提供电解水制氢隔膜及其制备方法和电解水制氢装置。电解水制氢隔膜，包括基材层和多孔亲水层。其中，多孔亲水层设置于基材层的至少一侧表面，多孔亲水层中分散有多个改性无机颗粒，改性无机颗粒包括无机颗粒以及包覆于无机颗粒至少部分表面的改性材料。改性材料中含有的硅氧烷主链以及聚醚链段和烷基链段，不仅改善了无机颗粒与有机聚合物之间的相容性，而且实现了隔膜的高离子电导率、优异的气体阻隔性、良好的机械强度和长期运行稳定性。

一种具有低耗能干燥舱的电解水制氢设备

Resumen de: CN121575454A

本发明涉及电解水制氢技术领域，具体为一种具有低耗能干燥舱的电解水制氢设备，包括制备机构和循环机构，所述循环机构设在制备机构的左侧，所述制备机构包括储存组件、输送组件和电解组件，所述输送组件设在储存组件的顶部，所述电解组件设在储存组件的内侧，所述循环机构包括导流组件、干燥组件、冷却组件、散热组件、导热组件和回收组件，所述导流组件设在输送组件的左侧，所述干燥组件设在导流组件的内侧。本发明提供了一种具有低耗能干燥舱的电解水制氢设备，具有对含有水蒸气的氢气进行低能耗干燥除湿的结构，因此可以采用低能耗的方式为氢气中的水蒸气进行干燥除湿，提高了长期对氢气中水蒸气干燥除湿稳定性的优点。

Direct-current coupling hydrogen production power supply

Resumen de: CN121585009A

The invention discloses a direct-current coupling hydrogen production power supply, which comprises a four-switch BUCK-BOOST circuit connected with an external direct-current power supply and used for carrying out voltage stabilization and maximum power point tracking on the voltage of the external direct-current power supply; the three-phase LLC circuit is connected with the four-switch BUCK-BOOST circuit and operates in an open-loop fixed-frequency mode, a 120-degree phase difference is formed between driving pulses of the three-phase LLC circuit and the four-switch BUCK-BOOST circuit, and the three-phase LLC circuit is used for isolating transformation so as to adapt to the rated working voltage range of the electrolytic cell; and the electrolytic bath is connected with the three-phase LLC circuit so as to receive the direct-current power supply output by the three-phase LLC circuit to perform water electrolysis hydrogen production. The core contradiction of direct-driven hydrogen production of an external power supply such as a photovoltaic power supply can be solved, the influence of fluctuation of photovoltaic direct-current voltage on the electrolytic cell is reduced, the requirement of the electrolytic cell for the working voltage range of the direct-current power supply is met, the load adaptability is enhanced, the energy consumption is reduced, and the stability is enhanced.

TSA dehydration system and method suitable for large-scale wind-solar hydrogen production

Resumen de: CN121570933A

The invention relates to the technical field of hydrogen purification, and discloses a TSA dehydration system and method suitable for large-scale wind and light hydrogen production, and the system comprises the following modules: an adsorption module which is composed of a plurality of drying towers and is used for adsorbing moisture in upstream crude hydrogen; the regeneration treatment module comprises a regeneration gas heater, a regeneration gas heat exchanger, a regeneration gas cooler and a regeneration gas gas-liquid separator which are sequentially connected in series and are respectively used for regeneration gas heating, heat exchange of hot-state and cold-state regeneration gas, regeneration gas cooling and gas-water separation, and the regeneration treatment module is provided with a regulating valve for controlling the gas taking amount of the regeneration gas; a valve control module; a monitoring module; and a main control module. Four operation modes are divided according to the real-time crude hydrogen flow, mode switching is executed only when an adsorption time sequence period is finished and dew point monitoring and temperature monitoring both meet qualified conditions, and therefore the number of online towers of an adsorption unit is adjusted along with the change of the crude hydrogen flow, and adaptation to the change of the crude hydrogen flow under the wind-solar hydrogen production condition is achieved.

Automatic spraying system for hydrogen production electrode

Resumen de: CN121571324A

The invention belongs to the technical field of hydrogen production, and particularly relates to a hydrogen production electrode automatic spraying system which comprises an automatic truss mechanical arm, a feeding device and a discharging device are installed on the two sides of the lower portion of one side wall of the automatic truss mechanical arm respectively, and a weighing platform is installed between the feeding device and the discharging device and used for weighing products. A first plasma spraying machine and a second plasma spraying machine are installed below the other side wall of the automatic truss mechanical arm, and a sand blasting machine is installed on one side of the first plasma spraying machine. By arranging the integrated production line, instability of manual operation is avoided, the occupied area of the production line is reduced, the production efficiency and the product quality are remarkably improved, personnel allocation is greatly reduced, and full automation is achieved.

Multi-machine parallel current sharing algorithm for 5.7 MW high-power hydrogen production power supply

Resumen de: CN121584975A

The invention relates to the technical field of hydrogen production power supplies, and discloses a 5.7 MW high-power hydrogen production power supply multi-machine parallel current sharing algorithm, which effectively improves the current sharing precision of a 5.7 MW high-power hydrogen production power supply multi-machine parallel system through droop control and PI regulation current sharing control improved by combining a master-slave architecture, and can control the current imbalance degree of each parallel module within +/-3%. The method is far better than a traditional method, ensures that each power supply module uniformly shares a load, gives full play to the overall power output capability of the system, improves the hydrogen production efficiency, has a rapid dynamic response characteristic, can rapidly adjust current distribution under the condition of sudden change of the load, enables the system to recover a stable current-sharing state within 20ms, avoids equipment damage caused by current impact, and improves the hydrogen production efficiency. Reliable operation of the system is guaranteed, and complex and changeable load requirements in the hydrogen production process are met.

一种可浸入式亲水性多孔钛PEM电解槽

Resumen de: CN121575423A

本发明涉及富氢水制备及氢氧混合供气技术领域，公开了一种可浸入式亲水性多孔钛PEM电解槽，包括阳极端板和阴极端板，阳极端板和阴极端板通过若干紧固螺丝和若干紧固螺母可拆卸连接；电解堆体，位于阳极端板和阴极端板之间，且电解堆体两端与阳极端板和阴极端板之间进行绝缘隔绝；电解堆体两端分别从阳极端板和阴极端板伸出，且分别与外部电源的正极和负极连接。本发明彻底省去传统PEM电解槽的密封结构、输气管道及外部水泵，不仅具备结构极致简化、成本低廉、氢气溶解效率高的优势，更通过明确的材料选型与工艺设计实现“富氢水制备‑氢氧混合供气”一体化，大幅提升高原户外使用的便捷性与实用性。

Hydrogen production system

Resumen de: KR20260026808A

수소 생산 시스템이 제공된다. 본 발명의 일 측면에 따른 수소 생산 시스템은 물과 유기 연료를 이용하여 수소 혼합 유체를 생산하는 제1 수소생성기와, 상기 제1 수소생성기로 유입되는 상기 물과 상기 유기 연료를 가열하는 하나 이상의 히터를 포함하는 제1 수소생성부; 상기 제1 수소생성부에 상기 유기 연료를 공급하는 연료공급부; 상기 제1 수소생성부에 상기 물을 공급하는 물공급부; 및 상기 수소 혼합 유체로부터 수소 기체를 분리하는 흡착부;를 포함하되, 상기 제1 수소생성부는 상기 제1 수소생성기의 하류에 제1 열교환부를 더 포함하고, 상기 제1 수소생성기로 공급되는 상기 물은 상기 제1 열교환부를 경유하여 상기 수소 혼합 유체와 열교환한 후에 상기 제1 수소생성기로 공급될 수 있다.

Pure Ti coating corrosion-resistant bipolar plate based on atmospheric plasma spraying and preparation method of pure Ti coating corrosion-resistant bipolar plate

Resumen de: CN121575342A

The invention discloses a pure Ti coating corrosion-resistant bipolar plate based on atmospheric plasma spraying and a preparation method of the pure Ti coating corrosion-resistant bipolar plate, and belongs to the technical field of coating preparation. Pure Ti powder is sputtered on the surface of stainless steel through an atmospheric plasma spraying method to obtain the metal coating. Wherein the coating with better corrosion resistance is obtained by controlling experimental parameters, the experimental parameters mainly comprise experimental current, primary Ar gas quantity, H2 quantity and the like, and the performance of the coating is tested. According to the invention, based on coating preparation parameter control, selection of appropriate process parameters is realized, and finally, the corrosion resistance of the additive manufacturing stainless steel bipolar plate is enhanced, so that the service life and the stability of the battery are improved.

Wind, light and nuclear energy efficient coupling system for methanol preparation and storage

Resumen de: CN121584616A

The invention provides a wind-light nuclear energy efficient coupling system for methanol preparation and storage. The wind-light nuclear energy efficient coupling system comprises a wind-light power generation system, a water electrolysis hydrogen production system, a methanol preparation system, a pressurized water reactor coupling heat pump system and a methanol reforming hydrogen production system. A multi-energy cooperative operation mechanism of'green electricity hydrogen production-nuclear heat driving-carbon source closed loop-methanol energy storage-on-demand hydrogen release 'is constructed by deeply coupling three major technologies of wind, light, green electricity hydrogen production, nuclear energy waste heat temperature raising energy supply and runner carbon capture alcohol production, so that efficient matching of wind/light-nuclear-carbon multi-dimensional elements in energy flow, material flow and time scale is realized; therefore, a high-toughness, near-zero-carbon and schedulable comprehensive energy system is formed.

一种具有催化水解离功能胶黏剂的制备方法及应用

Resumen de: CN121574680A

本发明公开了一种具有催化水解离功能胶黏剂的制备方法及应用，属于新能源领域，一种具有催化水解离功能胶黏剂的制备方法，包括以下步骤：S1：将丙烯酸、丙烯酸甲酯、NN‑亚甲基双丙烯酸酰胺、乳化剂、以及纯水进行充分搅拌，升温至40‑60℃，搅拌时间为0.5‑2h，得单体溶液，S2：将引发剂溶解于纯水中得溶液A，且将金属离子化合物溶解于纯水中得溶液B，S3：采用缓慢连续滴加的方式向单体溶液中滴加溶液A和溶液B，滴加时间为0.5‑2h，升温至50‑75℃，反应1‑5h，得到具有催化水解离功能胶黏剂。本发明制得的胶黏剂通过内部活性催化粒子，显著降低了水分子解离的活化能垒，促进电解制氢过程中水的解离效率，进而提高制氢能效。

Near-zero carbon emission energy supply system and method based on reversible SOC

Resumen de: CN121584710A

The invention discloses a near-zero carbon emission energy supply system and method based on a reversible SOC. The near-zero carbon emission energy supply system comprises a power supply system, a hydrogen production system and a methanol preparation system. A reversible oxide battery technology is applied to a fossil energy base, and a transformation path to a green energy supply base is realized; electricity, hydrogen and carbon are organically combined by utilizing the technical characteristics of a reversible oxide battery, and the proportion of clean energy is increased and the industrial chain is optimized under the premise of utilizing coal and gas in a mining area in a cooperative mode of electric hydrogen production, carbon combination alcohol production, alcohol splitting hydrogen production and hydrogen power generation, so that renewable energy sources such as water, photoelectricity and the like in a fossil energy base can be fully utilized; the method has the advantages that the carbon emission reduction requirement is met, CO2 on the whole energy conversion line is captured, a carbon library is built underground in a fossil energy base for storage, near-zero carbon emission in the whole coal mining process is achieved, and resource utilization is maximized.

Norbornene-containing bis-benzocyclobutane polyaryl piperidine anion exchange membrane material as well as preparation method and application thereof

Resumen de: CN121571012A

The invention discloses an anion exchange membrane material containing norbornene dibenzocyclobutane polyaryl piperidine as well as a preparation method and application of the anion exchange membrane material, and relates to the field of anion exchange membrane materials for hydrogen production by electrolysis of water. According to the invention, norbornene bis-benzocyclobutane is introduced into a polymer main chain of aromatic hydrocarbon and piperidone to form a distorted and difficult-to-rotate space structure. By adopting the technical scheme, the structural rigidity and larger free volume of a polymer skeleton are improved, the formation of a large number of microporous structures is promoted, the agglomeration of ion clusters is facilitated, more phase separation structures are formed, and the ionic conductivity of the membrane material is improved through the synergistic effect of the two, so that the membrane material is more stable in performance. And meanwhile, the problem of relatively poor dimensional stability caused by excessive water absorption of the membrane material is inhibited, and the prepared anion exchange membrane has a wide application prospect in the field of hydrogen production by water electrolysis.

一种自支撑异质结构电催化析氧电极及其制备方法和应用

Resumen de: CN121575447A

本发明公开了一种自支撑异质结构电催化析氧电极及其制备方法和应用，涉及电解水制氢技术领域。通过一种简单的两步水热方法直接在泡沫镍上生长一种新型的纳米棒（Ni3S2）负载高活性纳米簇（FeS/MoS2）异质结构的三维复合材料。第一步合成的短棒状Ni3S2有利于反应物（H2O、OH‑）的吸附和中间体（如O*、OOH*）的形成，而第二步合成的FeS/MoS2/Ni3S2@NF，其中FeS提供了大量的活性位点，MoS2优化了异质结构电子结构。FeS/MoS2/Ni3S2@NF具有较小的电荷转移电阻和优异的电催化性能。在1M KOH溶液中具有优异的OER性能，并保持了较长的工作寿命，在析氧电池中具有应用前景。

Scheduling method for carbon capture of deep peak regulation coal-fired unit under consideration of new energy consumption

Resumen de: CN121584745A

The invention relates to a scheduling method for carbon capture of a deep peak regulation coal-fired unit under consideration of new energy consumption, and the method comprises the steps: constructing a comprehensive energy system which comprises a deep peak regulation coal-fired unit, a first device, a conventional coal-fired unit, a second device, a wind turbine generator, a gas-fired boiler, and a heat storage device; the first device and the second device respectively comprise a carbon capture device, a methane reactor, an electrolytic bath, a hydrogen storage device and a hydrogen fuel cell; establishing an operation model, a total operation cost model and a total load constraint condition of the integrated energy system; obtaining total load prediction data; obtaining wind power output prediction data; the scheduling strategy is obtained for the operation model, the total operation cost model and the total load constraint condition of the integrated energy system by taking the minimization of the total operation cost of the integrated energy system as the target, so that the coordination and unification of the safety, low carbon and low operation cost of the power system can be realized while the efficient consumption of new energy can be ensured.

一种自支撑镧钼钴硼双功能全解水催化剂及其制备方法和应用

Resumen de: CN121575431A

本发明涉及一种自支撑镧钼钴硼双功能全解水催化剂及其制备方法与应用，属于电催化材料技术领域。所述方法包括将镧盐、七钼酸铵与四水合乙酸钴按设定摩尔比溶于含硼酸与柠檬酸钠的水溶液中，再加入少量硫酸，加热形成均匀电解液；以泡沫镍为工作电极，在‑300至‑200mA cm‑2的电流密度和20-50℃条件下电沉积100-200分钟，得到负载于泡沫镍上的镧钼钴硼材料。该催化剂具备自支撑结构，无需粘结剂，制备过程简单、成本低且环境友好，在析氢反应与析氧反应中均表现出高催化活性与优异的稳定性，适用于高效全水分解系统。

Macro-quantity preparation method of phase change reversible nickel-iron-sulfur catalyst capable of resisting reverse current

Resumen de: CN121575433A

The invention discloses a macro preparation method of an anti-reverse-current phase-change reversible nickel-iron-sulfur catalyst, and belongs to the technical field of hydrogen production by electrolysis of water. The invention aims to solve the problem that large size, high uniformity, excellent catalytic activity and high phase change reversibility capable of resisting reverse current cannot be realized at the same time by the existing preparation method of the non-noble metal-based catalyst. The method comprises the following steps: 1, preparing a ferric salt mixed solution; 2, preparing a sulfur-containing mixed solution; and 3, performing ultrasonic ice bath synthesis. The method is used for macro preparation of the phase-change reversible nickel-iron-sulfur catalyst capable of resisting reverse current.

Mesoporous carbon loaded cobalt phosphide synergistic monatomic material as well as preparation method and application thereof

Resumen de: CN121575442A

The invention discloses a mesoporous carbon-loaded cobalt phosphide synergistic monatomic material as well as a preparation method and application thereof. The material comprises a mesoporous carbon carrier, cobalt phosphide nanodots (Co1-xP) which are loaded on the mesoporous carbon carrier and have cobalt vacancies, and a metal monatomic, the metal monatomic and the cobalt phosphide nanodots have electron interaction to generate a synergistic effect, so that the catalytic performance is remarkably improved. The preparation method comprises the following steps: mixing a mesoporous carbon loaded Co < 1-x > P nanodot material with a metal precursor, performing freeze drying, and performing heat treatment in a reducing atmosphere, so that the metal precursor is decomposed and anchored in a monatomic form. The material shows excellent activity and stability in an electro-catalysis hydrogen evolution reaction, the mass activity and conversion efficiency of the material are far better than those of a commercial platinum-carbon catalyst, and the material has a wide application prospect in the field of electro-catalysis.

Method for preparing ferromagnetic NiFeCo/CNFs alkaline OER catalyst based on Joule heat

Resumen de: CN121575445A

The invention belongs to the field of electrochemical catalytic materials, and particularly relates to a method for preparing a ferromagnetic NiFeCo/CNFs alkaline OER catalyst based on Joule heat, which comprises the following steps: preparing a spinning solution, preparing CNFs precursor fibers by electrostatic spinning, and preparing the catalyst by Joule heat at different temperatures (600/800/1000/1200/1400 DEG C). Compared with other temperature samples, the NiFeCo/CNFs prepared by Joule heat at 1200 DEG C has the highest saturation magnetization intensity (13.7 emu/g) and the optimal alkaline OER performance, and the 30h stability retention rate exceeds 95%. The preparation method is simple and controllable, the material has high magnetism and high catalytic activity, a high-quality catalyst can be provided for the field of hydrogen production through water electrolysis, and the application prospect is good.

Alkaline electrolytic cell chamber voltage monitoring method, device, equipment and medium

Resumen de: CN121575450A

The embodiment of the invention relates to the technical field of water electrolysis hydrogen production, and discloses a method, a device, equipment and a medium for monitoring the voltage of cells of an alkaline electrolytic cell, and the method comprises the following steps: setting a cycle execution period, executing in each period, and obtaining the voltage of a plurality of cells of the electrolytic cell; according to the voltages of the plurality of electrolytic cell small chambers, the voltage variation of each electrolytic cell small chamber between the current period and the previous period is obtained; and the monitoring operation of each electrolytic cell small chamber in the current period is executed according to the voltage variation. The problem that voltage state misjudgment is easily caused during equipment attenuation and working condition dynamic change due to the fact that an existing alkaline electrolytic cell small chamber voltage monitoring method adopts a fixed voltage threshold value alarm can be solved.

Shipborne multi-metal nodule low-carbon green smelting method

Resumen de: CN121575219A

The invention discloses a shipborne polymetallic nodule-oriented low-carbon green smelting method which comprises the following steps: firstly, carrying out deck dehydration on deep-sea polymetallic nodules collected from the seabed, and then drying and pre-reducing the obtained dehydrated polymetallic nodules, and then the obtained pre-reduced material is subjected to deep reduction smelting through a hydrogen plasma smelting furnace, a melt is poured out after smelting is finished, smelting slag and smelting alloy are separated, the smelting alloy is collected for standby application, and the smelting slag is discharged to the seabed in situ after being detected to be harmless. The method is simple in processing technology, short in process, small in equipment amount and small in occupied space, auxiliary materials do not need to be transported from land, and carbon-free green directional separation of the multi-metal nodule valuable metal can be directly achieved on a ship.

一种钛酸锶单晶颗粒及其制备方法与应用

Resumen de: CN121575483A

本发明提供了一种钛酸锶单晶颗粒及其制备方法与应用。所述钛酸锶单晶颗粒的暴露晶面包括(100)晶面和(111)晶面；且所述钛酸锶单晶颗粒呈锥形多面体结构。本发明提供的钛酸锶单晶颗粒呈锥形多面体结构，暴露晶面只有(100)晶面和(111)晶面，且每个颗粒的(111)晶面暴露比例和面积更大，使得本发明提供的钛酸锶单晶颗粒具有更高的光量子利用率。

一种模拟阴离子交换膜水电解槽产生反向电流的方法及反向电流对电极影响的加速应力测试应用

Nº publicación: CN121577725A 27/02/2026

Solicitante:

哈尔滨工业大学国能粤电台山发电有限公司

Resumen de: CN121577725A

一种模拟阴离子交换膜水电解槽产生反向电流的方法及反向电流对电极影响的加速应力测试应用，它涉及电化学技术领域。产生反向电流的方法：在恒定电解状态下，停机瞬间施加0V，阳极电位会跨越平衡电位，出现‑1.0 V vs. RHE的瞬时反向极化信号，随后快速衰减并趋近于零，表明反向电流已被成功诱发。加速应力测试方法：在不同电流密度下分别运行，每个电流密度下运行后需要重新停机、再启动的操作，重复循环上述操作。本发明实现了对AEMWE阳极失效过程的实时追踪与定量评估，明确了阳极在反向电流条件下的活性衰减路径与惰性覆盖层形成过程，为波动工况下AEMWE电极可靠性评估提供了借鉴。