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一种电解制氢系统及其动态控制方法

Resumen de: CN122856202A

0001 本申请涉及电解水制氢技术领域，公开了一种电解制氢系统及动态控制方法，包括电解、分离、换热、驱动和控制模块，控制模块基于结构气含率本征常数生成电流密度流量控制映射表；依据运行电流计算变化斜率；当变化斜率大于预设突变阈值时，下发流量脉冲指令控制驱动模块使流量跃升后回落至基础设定流量；当变化斜率不大于预设突变阈值时，依据温差数据与阻抗数据计算实际气含率偏差并生成流量补偿数据叠加至基础设定流量；在流量补偿数据积分值大于预设衰减阈值时，计算硬件衰减调节系数更新前述映射表。本申请监控电流斜率下发脉冲流量并融合电热数据微调，同时根据补偿积分更新映射表，自适应产气波动并补偿硬件流阻衰退。

一种钌钛双金属氧化物自支撑电极的制备方法及其应用

Resumen de: CN122856231A

0001 本发明公开了一种钌钛双金属氧化物自支撑电极的制备方法及其应用，属于清洁能源制备技术领域。该方法包括以下步骤：对钛毡进行清洗后，置于碱溶液中进行水热预处理；将钌盐和钛盐溶解于含盐酸的溶液中，配制成前驱体溶液；将预处理后的钛毡置于前驱体溶液中，经水热反应在钛毡表面原位生成氢氧化物前驱体；最后在空气氛围下煅烧，即得一体化自支撑RuTiO催化剂电极。本发明制得的电极无需添加粘结剂和导电剂，具有接触内阻小、活性位点暴露充分、机械强度高的特点。本发明制备工艺简单、成本较低、贵金属用量少，制得的催化剂电极在质子交换膜水电解阳极析氧反应中表现出优异的催化活性和稳定性，具有良好的应用前景。

碳布负载铜钌的纳米阵列催化剂及其制备方法和应用

Resumen de: CN122856225A

本发明公开了一种碳布负载铜钌的纳米阵列催化剂及其制备方法和应用，其属于催化材料技术领域，旨在解决现有铜钌基催化剂活性位点暴露不足、界面结合力弱、循环稳定性差的技术瓶颈。该制备方法包括：将碳布作为工作电极，置于含有铜盐的电镀液中进行恒电位电镀，在碳布表面形成铜纳米颗粒层，得到铜纳米颗粒‑碳布前驱体；将铜纳米颗粒‑碳布前驱体浸入氧化液中进行原位氧化反应，得到纳米阵列前驱体；将纳米阵列前驱体浸入钌盐溶液中，随后加入还原剂进行还原反应，得到纳米阵列催化剂。本发明通过“电镀‑氧化‑吸附还原”三步法实现了活性位点的均匀分布与异质界面的牢固结合，有效解决了催化活性与稳定性难以协同提升的关键瓶颈。

适用于氨分解制氢的催化剂及其制备和应用

Resumen de: CN122850217A

0001 本发明公开了一种适用于氨分解制氢的催化剂及其制备方法和用于催化氨分解制氢的应用。催化剂包括载体与负载在载体上的活性组分；载体包括钠‑过渡金属复合氧化物，过渡金属包括铁和/或镍；活性组分包括钼基MXene；钼基MXene通过碱刻蚀Mo<2>Ga<2>C获得。制备方法包括：将载体和活性组分与无水乙醇混合，研磨后，经干燥和H<2>还原后得到催化剂。该催化剂能够在60000 mL/(g·h)、500℃条件下展现出优异的NH<3>分解制H<2>效率，同时催化剂的长程稳定性优异，在持续使用100小时后仍能具有80%以上的NH<3>分解效率以及超过3 mol/(g·h)的H<2>产率。

一种层状钌基氧化物在电催化析氢中的应用及其性能筛选方法

Resumen de: CN122856232A

本发明涉及电解水制氢催化材料技术领域，公开了一种Ag3LiRu2O6在电催化析氢中的应用及层状钌基氧化物析氢性能筛选方法。所述层状钌基氧化物包括化学式为A3LiRu2O6的层状钌基氧化物，并作为碱性电解水体系的阴极析氢电催化剂；所述A3LiRu2O6可由Li2RuO3前驱体与含A离子源通过真空封管固相拓扑置换得到，其中A包括Cu或Ag。所述筛选方法包括制备不同A位离子的A3LiRu2O6层状钌基氧化物，在相同碱性析氢测试条件下评价析氢过电位、塔菲尔斜率、Ru质量活性和稳定性，并根据层间A位离子、层间距及Ru‑O键长与析氢性能的对应关系确定优选材料。Ag3LiRu2O6为体相片层颗粒，在1 mol/L KOH中表现出低析氢过电位、小塔菲尔斜率和高Ru质量活性，能够提高碱性析氢反应活性和贵金属Ru利用效率。

一种多段多级分流电解槽及其工作方法

Resumen de: CN122856207A

本发明公开一种多段多级分流电解槽及其工作方法，电解槽包括左端压板（100）、右端压板（110）以及左端极板（200）、左绕流中极板（210）、右绕流中极板（220）、右端极板（230）和若干双极板（300），右端压板（110）上设有上部腰孔（403）、中部腰孔（404）和下部腰孔（405）；左端极板（200）、左绕流中极板（210）和右绕流中极板（220）均设有绕流腔（507）；本发明通过在电解槽内部设置多个绕流腔，将电解槽沿长度方向划分为多段，每段由独立的绕流腔供液，沿程流道长度大幅缩短，沿程阻力差异显著降低，从根本上提高了各小室电解液流量的均匀性，从而避免了部分小室因流量不足导致的极化加剧，降低了单位产氢能耗，提高了电解制氢的整体效率。

一种基于铁镍钴基化合物的自支撑析氧催化剂及制备方法和应用

Resumen de: CN122856233A

0001 本申请属于阴离子交换膜电解水技术领域，尤其涉及一种基于铁镍钴基化合物的自支撑析氧催化剂及制备方法和应用；本申请提供的自支撑析氧催化剂包括三维多孔结构的金属基底及其原位负载的铁镍钴基化合物，可通过三维多孔结构的金属基底提升电解水制氢过程中的气泡扩散和质子传输，还构建三金属配位环境，有效地降低析氧反应的能垒，提升析氧催化活性，且铁镍钴基化合物和三维多孔结构的金属基底能够紧密连接，不易在高电流密度下发生机械脱落，从而可满足工业电解水制氢过程中，在高电流密度下的催化活性与稳定性要求，是高性能的自支撑析氧催化剂，且作为非贵金属催化剂，从而解决了现有技术中非贵金属析氧催化剂性能较低的技术问题。

一种利用木质素磺酸盐燃烧排放烟气制备碳点/硫化镉光催化剂的方法

Resumen de: CN122850193A

本发明属于烧结烟气资源化利用及光催化材料制备领域，具体涉及一种以木质素磺酸盐烧结烟气制备碳点/硫化镉(NC/CdS)光催化剂的方法。针对木质素磺酸盐烧结产生含H2S有毒气体造成的环境污染问题，本发明创新性地提出碱液吸收‑化学沉淀‑水热合成的协同工艺：首先利用NaOH溶液收集木质素磺酸盐烧结产生的含有H2S烟气，通过加入CdCl2生成CdS，继而利用水热法将柠檬酸钠与尿素热解生成的碳点负载于其上，得到最终产物NC/CdS。该方法实现了含硫烟气的资源化利用，较传统硫源成本降低40％以上。经测试，该复合材料的最大产氢速率可达1.21mmol/g/h，具备优异的光催化性能。本发明解决了工业废气治理与清洁能源制备的双重需求，具有显著的环境效益和应用价值。

一种海上风电制氢系统及制氢方法

Resumen de: CN122856272A

0001 本发明涉及海上风电制氢技术领域，且公开了一种海上风电制氢系统，包括风电制氢总控系统端，所述风电制氢总控系统端通过数据信号分别连接有风电调频控制端、储能协同调度端、制氢运行调控端、风电制氢安全预警端以及在线状态监测端，与现有的技术相比，本发明的系统通过分级协同调频平抑电网频率波动，结合储能动态平抑风电功率波动，同步实现制氢工况自适应匹配、风电‑氢耦合安全预警与全链路状态监测，各子模块跨端联动配合，可有效解决海上风电波动导致的电解槽运行不稳、制氢效率低、安全防控滞后、运维难度大的问题，能够提升制氢系统运行稳定性与设备使用寿命，强化安全风险前置防控能力，有效的提高了海上风电制氢的效果。

一种镍铁双金属掺杂三氧化钨析氧电催化剂及其制备方法与应用

Resumen de: CN122856236A

0001 本发明公开了一种镍铁双金属掺杂三氧化钨析氧电催化剂及其制备方法与应用，属于电催化材料技术领域。该催化剂以泡沫镍为基底，采用一步水热法结合退火工艺制得镍铁双金属掺杂钨氧化物（Ni‑Fe‑WO<3>）自支撑电极。所述制备过程中以钨酸钠为钨源、硫酸亚铁为铁源，泡沫镍基底为镍源，并辅以草酸/硫酸钠二元导向剂，可控构筑纳米线阵列。所得催化剂保持WO<3>纳米线阵列骨架结构，Ni、Fe双金属掺杂有效调制WO<3>的局域电子结构；同时，纳米阵列结构暴露丰富的活性位点，促进电解液扩散和氧气脱附，协同增强催化剂的析氧性能。在碱性电解水析氧测试中表现出低析氧过电位、低电荷转移电阻以及良好的循环稳定性。本发明材料制备工艺简单、成本低廉、重复性好，具有一定的应用前景。

用于生成氢气的方法

Resumen de: 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.

HYDROGEN-ELECTRICITY COUPLING CONTROL SYSTEM AND METHOD FOR OFF-GRID GREEN-ELECTRICITY-BASED HYDROGEN PRODUCTION

Resumen de: WO2026199954A1

The present invention belongs to the technical field of green-electricity-based hydrogen production. Disclosed are a hydrogen-electricity coupling control system and method for off-grid green-electricity-based hydrogen production. The method comprises: executing MPPT control on each photovoltaic module, so as to maximize an output power; distributing output powers to power-type electrolyzers, and adjusting the duty cycles of boost DC/DC converters to stabilize a low-voltage-side current at a set value, such that the power-type electrolyzers always operate at rated power points; and distributing the output powers to regulation-type electrolyzers, and adjusting the output voltages of the boost DC/DC converters to stabilize a high-voltage-side voltage at a target value, such that the regulation-type electrolyzers absorb a fluctuating portion of a photovoltaic power. The present invention can effectively improve the efficiency of a green-electricity-based hydrogen production system, and can realize stable and sustainable hydrogen production without relying on energy storage.

Verfahren zum Betrieb einer Elektrolysezelle und Elektrolyseur mit einer Vielzahl von Elektrolysezellen

Resumen de: 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.

HYDROGEN-PRODUCTION POWER SUPPLY SYSTEM AND CONTROL METHOD THEREFOR

Resumen de: WO2026200097A1

Disclosed in the present application are a hydrogen-production power supply system and a control method therefor. The system comprises a transformer, a main power branch, an auxiliary power branch, at least one set of energy storage branches, and a busbar, wherein a primary winding of the transformer is coupled to an alternating-current power grid, and a secondary winding of the transformer is coupled to an input terminal of the main power branch; an output terminal of the main power branch is coupled to an off-grid hydrogen production device; the auxiliary power branch is coupled between the secondary winding and the busbar; the energy storage branches are all coupled to the busbar; the main power branch comprises at least one uncontrolled rectifier circuit and at least one chopper circuit, the uncontrolled rectifier circuit being used for converting into direct currents alternating currents that are output by the transformer, thereby saving costs, and the chopper circuits being used for adjusting the voltage of the direct currents to a voltage required by a load of a chopper branch; the auxiliary power branch is used for outputting power to the busbar and performing power exchange with the alternating-current power grid, thereby improving the capability of responding to the alternating-current power grid; and the energy storage branches are used for pre-storing and releasing electric energy by means of the busbar, thereby improving the system stability.

SYSTEMS AND METHODS OF AMMONIA SYNTHESIS

Resumen de: US20260297781A1

A system for synthesizing ammonia includes a reactor including an inlet portion, an outlet portion, and an energy source arranged to deliver energy to one or more reactants receivable through the inlet portion of the reactor, and the energy source activatable to reduce nitrogen to ammonia in the presence of hydrogen, at least one hydrogen pump in fluid communication with the outlet portion of the reactor, each hydrogen pump including at least one electrochemical cell, and a recirculation circuit in fluid communication between the at least one hydrogen pump and the inlet portion of the reactor and configured to direct a respective hydrogen stream from each hydrogen pump to the inlet portion of the reactor.

ELECTROLYTE PRODUCTION DEVICE, ELECTROLYTE PRODUCTION METHOD, AND FLUORINE GAS PRODUCTION METHOD

Resumen de: US20260297779A1

There is provided a device for producing an electrolyte for producing a fluorine gas having a low vapor pressure of hydrogen fluoride. An electrolyte production device (1) includes an anode (3) having a nickel electrode (31) and a carbon electrode (32); a cathode having a metal electrode (4); and an electrolyte production tank (2) in which a liquid to be treated (8), containing potassium fluoride and hydrogen fluoride, is capable of being accommodated and the liquid to be treated (8) is subjected to an electrolytic treatment using the anode (3) and the cathode (4), in which the electrolyte production device (1) has a structure with which a direct current is capable of being applied for energization through both the nickel electrode (31) and the carbon electrode (32).

COMBINED CORROSION MITIGATION AND HYDROGEN ISOTOPE EXTRACTION FROM MOLTEN SALTS

Resumen de: US20260301985A1

Disclosed are galvanic cells and methods for treating a molten salt by use of the galvanic cells. The galvanic cell can provide anti-corrosion treatment and improved corrosion resistance via electrochemical and chemical reactions involving a corrosive impurity in a molten salt. Reaction products of the chemical and electrochemical reactions include hydrogen gas that can carry hydrogen isotopes evolved in the molten salt. The system can also include removal of the hydrogen gas from the molten salt and separation and recovery of tritium contained therein.

ELECTRODE AND ALKALI WATER ELECTROLYTIC DEVICE INCLUDING SAME

Resumen de: US20260297769A1

0000 An electrode, including: a substrate that has a surface composed of at least one of nickel, nickel oxide, and nickel hydroxide; and scale-like protruding parts provided on the surface of the substrate.

MOLYBDENUM CARBIDE, COMPOSITE PRODUCT, CATALYST INK, METHOD FOR PRODUCING MOLYBDENUM CARBIDE, AND METHOD FOR PRODUCING COMPOSITE PRODUCT

Resumen de: US20260297771A1

Molybdenum carbide includes a Mo2C crystal structure, in which a content of carbon with respect to a total mass (100 mass %) of the molybdenum carbide is 6% or more.

SYSTEMS AND METHODS FOR GEOLOGIC HYDROGEN PRODUCTION

Resumen de: AU2025253291A1

Geologic hydrogen production and related systems and methods are generally described.

GAS DIFFUSION LAYER FOR AN ELECTROLYSIS CELL

Resumen de: AU2025255910A1

The invention relates to a gas diffusion layer (5) for an electrolysis cell (1), comprising a fine layer (51) and a coarse layer (52). The fine layer (51) comprises a fine structure with pores of a first pore size, and the coarse layer (52) comprises a coarse structure with pores of a second pore size. The coarse layer (52) comprises a plurality of spiral elements (520), the spiral elements (520) are interwoven, and at least one spiral element (520) is freely movable, in particular freely rotatable, The gas diffusion layer further comprises at least one intermediate layer (53). The at least one intermediate layer (53) comprises an intermediate structure with pores of an intermediate pore size, and the intermediate layer (53) is provided between the fine layer (51) and the coarse layer (52), said intermediate pore size being larger than that of the fine layer (51) and smaller than that of the coarse layer (52).

ELECTROLYTE MEMBRANE, CATALYST-COATED ELECTROLYTE MEMBRANE AND TRANSFER SHEET USED FOR PRODUCTION THEREOF, MEMBRANE ELECTRODE ASSEMBLY, WATER ELECTROLYSIS DEVICE, AND METHOD OF PRODUCING CATALYST-COATED ELECTROLYTE MEMBRANE

Resumen de: US20260297766A1

0000 An object of the present invention is to provide an electrolyte membrane having a good joining property with a catalyst layer. The present invention mainly relates to an electrolyte membrane including a layer (A) containing a polymer electrolyte, and a layer (B) existing on at least one face of the layer (A), wherein a particle concentration (Y1) in an interface region of the layer (B), on the layer (A) side, is higher than a particle concentration (Y2) in another interface region of the layer (B), on the opposite side to the layer (A). The particle concentration (Y1) and the particle concentration (Y2) are ratios of the mass of particles existing in the interface region to the total mass of solids existing in the interface region.

SEMICONDUCTOR CATALYST, CATALYST ELECTRODE, METHOD FOR PRODUCING REDUCED PRODUCT, AND DEVICE FOR PRODUCING REDUCED PRODUCT

Resumen de: US20260297772A1

A semiconductor catalyst is provided, which exhibits an effect of accelerating a reduction reaction by visible light irradiation and is excellent in durability. The semiconductor catalyst of the present disclosure includes thin film containing nitrogen-containing diamond particles in a plane direction and a height direction. The semiconductor catalyst can be produced by, for example, fixing, on a substrate having a positive or negative charge, nitrogen-containing diamond particles having a positive or negative charge, the positive or negative charge of the nitrogen-containing diamond particles being opposite to that of the substrate, and laminating, on the fixed nitrogen-containing diamond particles, nitrogen-containing diamond particles having a positive or negative charge, the positive or negative charge of the laminated nitrogen-containing diamond particles being opposite to that of the fixed nitrogen-containing diamond particles. The step of laminating is performed at least once after the step of fixing.

METHOD FOR CONTROLLING A PLANT CONTAINING A PLURALITY OF ELECTROLYSERS

Resumen de: US20260297776A1

A method for controlling a facility containing electrolysers that are fluidically in parallel, including controlling the electrolysers in such a way as to seek to increase the uniformity of the individual loads on the electrolysers in operation. As s a result, specific electrical consumption of the facility for a predetermined total production load or for an electrical power available to power the facility is provided.

METHOD AND PLANT FOR PRODUCING HYDROGEN

Nº publicación: US20260297763A1 01/10/2026

Solicitante:

LINDE GMBH [DE]
Linde GmbH

Resumen de: US20260297763A1

0000 A method for producing hydrogen, where feed water is subjected to electrolysis with a cathode gas being obtained, wherein the cathode gas contains hydrogen, oxygen and some of the feed water, wherein a process gas flow (102) is formed using at least some of the cathode gas, where the process gas flow contains at least some of the hydrogen, oxygen and feed water contained in the cathode gas, and where, in the process gas flow, at least some of the oxygen is subjected to an oxidative catalytic reaction with some of the hydrogen to form oxidation water, and where at least some of the feed water and the oxidation water in the process gas flow are removed from the process gas flow in a water removal process.