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一种利用冶金废水在制氢过程中同时制备自适应析氢催化剂及冶金废水处理方法

Resumen de: CN122773403A

本发明涉及一种利用冶金废水在制氢过程中同时制备自适应析氢催化剂及冶金废水处理方法，属于催化剂制备与冶金废水回收技术领域，本发明包括以下步骤：将生长在碳布CC上的VO2进行氮化处理后制备得到的VN纳米片，然后将VN纳米片在含金属离子的碱性冶金废水中以以≥（‑50）mA/cm2的电流密度或者≥475 mV的过电位进行电解，同时收获氢气和MOyHz/VNOx催化剂，其中MOyHz为金属氢氧化物，解决长期运行下催化剂的活性降低，稳定性下降，难以自身主动优化的问题。

碱性直接电解海水催化剂及其合成方法

Resumen de: CN122773394A

碱性直接电解海水催化剂及其合成方法。本发明公开了一种可用于碱性电解海水催化剂的制备方法，属于电解海水制氢技术领域。该方法包括一下步骤：将镍基集流体表面油及氧化层处理后，将其放入硝酸铁、硝酸镍、钼酸钠、尿素和氟化铵混合溶液中进行水热，取出后用去离子水反复清洗得到阳极端电极，阳极端电极和次磷酸钠一起放入氮气管式炉中高温放置2h，最后将集流体取出，用去离子水反复清洗后得到阴极端电极。所制备的阳极表面均匀覆盖着镍铁水滑石纳米片阵列，阴极电极表面均匀覆盖磷化镍铁。该催化剂在海水中具有优异的碱性电催化分解水活性，同时具有较好的稳定性。

一种高熵层状双氢氧化物电极及其制备方法和应用

Resumen de: CN122773390A

0001 本发明涉及电催化技术领域，特别涉及一种高熵层状双氢氧化物电极及其制备方法和应用，所述制备方法包括以下步骤，采用三电极体系，将三电极体系置于电镀前体溶液中，电化学沉积，制得高熵层状双氢氧化物电极；在所述三电极体系中，以预处理的泡沫镍作为工作电极；所述电镀前体溶液为金属盐溶液，在所述金属盐溶液中，金属包括镍、铁、钴、钼、钛。本发明采取电化学沉积制得非晶/结晶共存的高熵层状双氢氧化物电极，引入Mo抗氯蚀、Ti稳结构，触发晶格氧氧化机制提升OER活性；兼具高电导率、高OER活性、强抗氯腐蚀能力和超长效稳定性。

一种氮掺杂双功能电催化剂、制备方法及应用

Resumen de: CN122773389A

本发明公开了一种氮掺杂双功能电催化剂、制备方法及应用。首先通过水热法制备钴铁层状双氢氧化物（Co‑Fe LDH）前驱体，再通过水热法在其表面原位生长MIL‑88A金属有机框架，获得复合前驱体，随后在氨气气氛下高温煅烧实现氮掺杂并形成目标催化剂。该方法通过MOF复合与氨气退火协同调控催化剂电子结构，构建富缺陷氮掺杂碳层与高分散钴铁合金纳米颗粒的协同结构，显著提升电催化性能。所得催化剂在碱性电解液中表现出优异的双功能活性：OER在10 mA·cm‑²和100 mA·cm‑²电流密度下过电位分别为180 mV和235 mV，HER分别为66 mV和246 mV。本发明制备工艺简单、成本低廉，在整体水分解电催化领域具有良好的应用前景。

一种PEM电解水制氢安全联锁系统

Resumen de: CN122773413A

0001 本发明涉及PEM电解水制氢技术领域，具体公开了一种PEM电解水制氢安全联锁系统。系统包括：脱附响应模块，响应软联锁停机指令，基于排气端参量测算已置换气量，评估管路残留气量并构建气相脱附起点；反弹解析模块，在静置阶段依据残留气量动态约束观测期，解析浓度演变序列以获取初始反弹速率；趋势分析模块，融合脱附起点与反弹速率进行状态外推，并通过渐进分析输出聚集恶化指数；流转裁决模块，基于气源调度余量与恶化指数解算最优干预策略，在恶化受限工况下触发脉冲吹扫，并利用浓度脉冲响应特征验证死区破坏状态。本发明有利于停机静置期气体演化趋势的预测与最优防爆闭环干预，减少管路死区积气反弹隐患。

一种电解制氢系统双闭环温度控制方法及装置

Resumen de: CN122773415A

0001 一种电解制氢系统双闭环温度控制方法和装置，通过获取电解槽运行功率和目标功率、槽前温度、槽后温度及冷却循环泵流量，依功率状态切换控制变量，当功率快速上升时，首先采用槽前温度控制作为前馈控制变量快速抑制热冲击，同时根据功率变化量和冷却流量动态计算槽后温度峰值滞后时间，达标后切换为槽后温度；功率平稳或下降时直接采用槽后温度控制。装置含功率采集、温度采集、电流输出及控制器模块，通过总线连接，控制器经PID运算控制冷却水阀门开度实现闭环控温。本发明明确了槽前温度用于扰动抑制、槽后温度用于稳态调节的不同角色，有效解决了功率爬坡时槽后温度大超调与单一槽前温度效率低的矛盾，提高了电解槽的安全性及电解效率。

一种可再生电力波动下的电解水制氢调控方法

Resumen de: CN122773418A

本发明提供了一种可再生电力波动下的电解水制氢调控方法，包括：对电解水制氢的电解槽进行健康度评估，根据健康度评估结果对所述电解槽进行分类；对分类后的电解槽进行运行模式分配和功率基线获取；获取可再生电力的预测功率信息，根据可再生电力的预测功率信息、运行模式分配结果和获取的功率基线，通过优化控制方法对电解槽进行功率分配，得到功率控制指令，根据所述功率控制指令对电解槽进行控制，以实现电解水制氢，实现了功率波动快速跟踪、低载安全高效运行与设备寿命均衡。

电解模块的冷却方法及电解系统

Resumen de: WO2025204074A1

Provided are an electrolysis module cooling method and an electrolysis system capable of reducing an atmospheric temperature inside a container. Provided is a cooling method for an electrolysis module (200) comprising: at least one electrolysis cartridge (220) that includes an electrolysis cell and generates hydrogen by electrolyzing water vapor generated from water supply; and a pressure vessel (210) that accommodates the electrolysis cartridge (220). In the method for cooling the electrolysis module (200), the air is subjected to heat exchange with water supply in order to heat the water supply, and the heat-exchanged air is supplied to the pressure vessel (210) to cool the inside of the pressure vessel (210).

エネルギーまたは水素の貯蔵のためのアンモニア水の生産および使用

Resumen de: WO2025059026A1

Provided herein are systems and methods for utilizing aqua-ammonia as an energy or hydrogen storage and transport medium. A method for delivering power, the method comprises converting enriched ammonia to electrical power and heat; and using the heat to remove water from aqua-ammonia, thereby producing the enriched ammonia.

Methods of PFAS Destruction using UV Irradiation at 222 Nanometers

Resumen de: US20260274731A1

0000 Methods, systems and devices for PFAS destruction including adding a sulfite salt to an aqueous solution containing PFAS and then irradiating the aqueous solution with light at 222 nm. The method may include adding a base to the aqueous solution in an amount sufficient to raise a pH of the aqueous solution including PFAS to about 10 or more. It may also include adding a halide salt such as a bromide salt or an iodine salt, and further adding a carbonate. Greater than 90%, or greater than 99%, of the PFAS in the solution may be destroyed by irradiating the aqueous solution in this way.

閉ループ炭素サイクル

Resumen de: EP4491770A1

0001 Method for operating a closed-loop carbon cycle (100), comprising: - creating synthetic methane (106) from renewable energy (114) in a first geographical area (101), comprising: ∘ producing hydrogen (123) via electrolysis (113), ∘ feeding CO2 (109) and produced hydrogen (123) into Sabatier reactors (300) of an eNG production plant (110), - transporting said synthetic methane (106) to a second geographical area (102); - converting synthetic methane into usable energy (112) in said second geographical area (102), comprising: ∘ distributing synthetic methane (107) to one or more eNG conversion facilities (111); ∘ using said synthetic methane in said eNG conversion facilities (111), producing an output comprising CO2; ∘ capturing CO2 from said output; - transporting said captured CO2 (108) to said first geographical area (101); - establishing said closed-loop carbon cycle (100) by feeding said captured CO2 (109) received from said second geographical area (102) to said eNG production plant (110).

ALUMINUM RECYCLING METHOD FOR METALLIC ALUMINUM ENERGY STORAGE AND HYDROGEN PRODUCTION

Resumen de: AU2025400693A1

Disclosed herein is an aluminum recycling method for metallic aluminum energy storage and hydrogen production, comprising: electrolyzing aluminum oxide to obtain molten metallic aluminum; processing the molten metallic aluminum to obtain an aluminum-based hydrogen production material; under the action of a catalyst, chemically reacting the aluminum-based hydrogen production material with water to obtain hydrogen gas and an aluminum oxide hydrate slurry; subjecting the aluminum oxide hydrate slurry to solid-liquid separation to obtain an aluminum oxide hydrate and an aqueous solution containing the catalyst; calcining the aluminum oxide hydrate to obtain aluminum oxide; and recycling the aluminum oxide to the step of electrolyzing the aluminum oxide, and recycling the aqueous solution containing the catalyst to the step of chemically reacting the aluminum-based hydrogen production material with water, thereby forming a closed-loop cycle.

HYDROGEN GENERATOR

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.

AMMONIA GENERATION SYSTEM AND AMMONIA GENERATION METHOD

Resumen de: AU2025228469A1

An ammonia generation system (1) is provided with: an electrolysis cell (10) which generates ammonia from nitrogen and water, and is provided with a solid electrolyte (13) that contains a phosphoric acid compound which is a proton conductor; an ammonia separator (40) which is provided in a cathode outlet-side flow path (21) and separates ammonia from the cathode off gas; and a cathode-side circulation flow path (60) which is connected to the ammonia separator (40), and which returns, to the cathode (12), the residual gas that remains after the separation of ammonia by means of the ammonia separator (40) and contains nitrogen and hydrogen.

SYSTEMS, METHODS AND TECHNIQUES FOR HYDROGEN PRODUCTION FROM CHEMICAL LOOPING SYSTEMS WITH PARTICLE HEATING

Resumen de: US20260274663A1

0000 A reactor system may include at least one first type reactor, at least one second type reactor, a heat source unit, a heat exchange unit, and one or more separation units. The at least one first type reactor reacts a fuel, which may comprise biogas, with metal oxide particles. The at least one second type reactor receives reduced metal oxide particles from the at least one first type reactor and reacts those particles with steam, generating hydrogen (H<2>) and oxidized metal oxide particles. The oxidized metal oxide particles are heated up in a heat exchange unit that is heated by the heat source. The heat source may generate heat by combusting air and oxidation products from the at least one first type reactor. The heated oxidized metal oxide particles may be provided to the separation unit(s) and then to the at least one first type reactor.

SOEC INTEGRATION WITH ULTRA HOT STEAM

Resumen de: US20260275553A1

Systems, devices, and methods for electrolysis at very large scale (e.g., exceeding 100 megawatts (MW), and at gigawatt (GW) scale having a solid oxide electolyzer cell (SOEC) system including one or more SOEC columns, and one or more heat exchangers, each of the heat exchangers configured to receive input stream that is used to heat respective SOEC columns, wherein each of the heat exchangers is located along respective SOEC columns such that the input steam exiting the heat exchanger is directed towards adjacent SOEC columns.

ELECTROLYSIS APPARATUS

Resumen de: US20260275556A1

An electrolysis apparatus for the production of gaseous hydrogen and oxygen by water electrolysis includes an electrolyzer having a plurality of cells arranged next to each other to form a cell stack. Each cell includes an anode and a cathode plate. The electrolyzer further includes anode and cathode end plates. The electrolyzer has an active chamber in which the electrolysis reaction of water contained in an electrolyte solution with which the electrolyzer is fed takes place, a first liquid/gas phase separator for separating oxygen gas from the electrolyte solution, and a second liquid/gas phase separator for separating hydrogen gas from the electrolyte solution. The electrolyzer also includes a plurality of sensors mounted on one of the anode and cathode end plates and configured to detect appropriate operating parameters of the first and second liquid/gas phase separator.

CARBON MATERIAL, METHOD FOR PRODUCING CARBON MATERIAL, CATALYST, DISPERSION LIQUID, ELECTRODE, BATTERY, AND ELECTROLYSIS DEVICE

Resumen de: US20260274673A1

A carbon material containing a fired product of a mixture containing a first compound and a second compound, in which the first compound is a phthalocyanine compound having bromine as a substituent, and the second compound is a compound containing at least one metal element selected from the group consisting of Fe, Co, Ni, Cu, Al, and Zn.

Cost-efficient operation of a DRI system and of additional sub-systems of an overall system

Resumen de: US20260275552A1

An overall system that includes, as sub-systems, a DRI system, an electrolysis system, a hydrogen store and a supply device. The DRI system and the electrolysis system are connected to an electricity-supply network for receiving electricity. The DRI system, the electrolysis system and the hydrogen store are interconnected for transferring hydrogen, and the DRI system and the supply device are interconnected for supplying the DRI system with natural gas and/or ammonia. A controller calculates operating modes (B1, B4, B6, B7) for the sub-systems for a forecast horizon (PH) and determines final states (Z1′, Z4′, Z6′, Z7′) that can be expected for the sub-systems on the basis of the current states (Z1, Z4, Z6, Z7) and the operating modes (B1, B4, B6, B7). The controller varies the final states (Z1′, Z4′, Z6′, Z7′) that can be expected so as to minimize a cost function (K).

ELECTRODE CATALYST LAYER AND MEMBRANE ELECTRODE ASSEMBLY

Resumen de: US20260275545A1

An electrode catalyst layer 2 includes catalyst particles 12, an ionomer 13, and ionomer-adsorptive carbon fibers 14α. The ionomer-adsorptive carbon fibers 14α may have an adsorption amount of the ionomer of 10 mg or more per 1 g of the ionomer-adsorptive carbon fibers, may have a diameter in a range of 50 nm or more and 1 μm or less, and may be vapor-grown carbon fibers (VGCF) subjected to hydrophilic treatment.

POROUS TRANSPORT LAYER

Resumen de: US20260275543A1

A porous transport layer for an electrolyser or for a fuel cell, comprising —a first nonwoven layer of metal fibers provided for contacting a proton exchange membrane, wherein the first nonwoven layer of metal fibers comprises metal fibers of a first equivalent diameter, wherein the first nonwoven layer of metal fibers has a first surface roughness and a first porosity, —a second nonwoven layer of metal fibers, wherein the second nonwoven layer of metal fibers comprises metal fibers of a second equivalent diameter, wherein the second nonwoven layer of metal fibers has a second surface roughness and a second porosity, wherein the first surface has a material ratio of less than 5% of material at a height of 5 μm, and more than 70% of material at a depth of −5 μm, the first equivalent diameter is smaller than the second equivalent diameter.

Method for Producing Oxygen Carrier, Method for Producing Hydrogen, and Apparatus for Producing Hydrogen

Resumen de: US20260274657A1

Provided is a method for producing a highly active oxygen carrier at low cost, and a method for producing hydrogen and an apparatus for producing hydrogen using the highly active oxygen carrier.

NATURAL GAS REFORMING SYSTEM AND PROCESS THEREOF

Resumen de: US20260274662A1

The present disclosure relates to a natural gas reforming system capable of reducing, by using a co-electrolysis device, the emission amount of carbon dioxide produced by reforming natural gas, of supplying heat to a reformer through syngas produced by the co-electrolysis, and of producing additional hydrogen, and a process thereof.

POROUS TRANSPORT LAYER

Resumen de: US20260279846A1

A porous transport layer for an electrolyser or for a fuel cell, comprising a first nonwoven layer of metal fibers provided for contacting a proton exchange membrane, wherein the first nonwoven layer of metal fibers comprises metal fibers of a first equivalent diameter, wherein the first nonwoven layer of metal fibers has a first surface roughness and a first porosity, a second nonwoven layer of metal fibers, wherein the second nonwoven layer of metal fibers comprises metal fibers of a second equivalent diameter, wherein the second nonwoven layer of metal fibers has a second surface roughness and a second porosity, wherein the first surface roughness is below 10 μm, the first equivalent diameter is smaller than the second equivalent diameter, the first surface roughness is smaller than the second surface roughness for at least 20%, e.g., in a range of 20% to 120%.

MEMBRANE ELECTRODE ASSEMBLY AND METHOD FOR PRODUCING SAME, FUEL CELL, AND ELECTROLYSIS CELL

Nº publicación: US20260279865A1 17/09/2026

Solicitante:

GREENERITY GMBH [DE]
Greenerity GMBH

Resumen de: US20260279865A1

A membrane electrode assembly with an anode, a cathode and a hydrocarbon membrane lying between the anode and the cathode. The membrane electrode assembly further includes a protective layer, which is arranged between the anode and the hydrocarbon membrane and/or between the cathode and the hydrocarbon membrane, wherein the protective layer includes at least one ceramic material and one fluorine-containing ionomer, wherein the ceramic material is dispersed in the fluorine-containing ionomer.