Alerta

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。

一种基于NiO自牺牲模板的多酸衍生钒钼镍碲化物的制备及其应用

Resumen de: CN122773397A

发明名称一种基于NiO自牺牲模板的多酸衍生钒钼镍碲化物的制备及其应用摘要本发明涉及电催化析氢领域一种基于NiO自牺牲模板的多酸衍生钒钼镍碲化物的制备及其应用。本发明目的是解决现有技术中碱性析氢反应动力学缓慢、析氢过电位较高、单相碲化物活性位点不足以及贵金属催化剂价格昂贵的问题。本专利设计与研制了一种基于NiO自牺牲模板的多酸衍生钒钼镍碲化物V‑MoTe2/NiTe2@NF‑MO。所采用的方法：以多酸前驱体Mo72V30、NaTeO3为原料，以NiO@NF为导电基底，采用水热合成方法，制备的泡沫镍负载的多酸衍生钒钼镍碲化物可适用于碱性电解液中的电催化析氢反应，且具有较高的催化活性、优异的导电性能和良好的稳定性。

一种碱性水电解用PTFE/陶瓷填料多孔复合隔膜及其制备方法

Resumen de: CN122773412A

0001 本发明公开了一种碱性水电解用PTFE/陶瓷填料多孔复合隔膜及其制备方法。该隔膜包括PTFE微孔膜支撑层（厚度50~150μm，孔径0.1~0.5μm，孔隙率50%~70%）和填充于孔道内的CeO2纳米颗粒填料（粒径20~100nm，填充率15~35wt%），CeO2中可选掺杂La3+（Ce:La=9:1至8:2）引入氧空位。制备方法包括：氧等离子体活化PTFE膜（水接触角由112°降至35°）；硝酸铈与柠檬酸配制溶胶（80°C，2h）；真空浸渍（‑0.08MPa，15min）；干燥（120°C，2h）；N2保护下低温煅烧（300°C，1h，升温速率2°C/min），煅烧温度低于PTFE熔点327°C，PTFE微孔结构完整保留。所得隔膜在35wt% KOH、80°C条件下ASR=0.38 Ω·cm2，气泡点压力2.3 bar，H2交叉扩散率0.37%（@J=500），1000h浸泡Ce溶出低于3ppm，中位寿命21.5kh，适用于碱性水电解制氢。

一种高效析氧阳极及其制备方法和应用

Resumen de: CN122773387A

0001 本发明属于电解水析氧电极制备技术领域，具体涉及一种高效析氧阳极及其制备方法和应用。本发明提供的高效析氧阳极包括基材和依次负载在所述基材表面的底层（包括Ni和化合价≥+4价的金属（Zr、Ce、Ta、Nb）形成的复合氧化物）、活性层（包括Ni、Fe及掺杂金属（Mn、Ce、Zr、Co、W、Mo、Cu）形成的复合氧化物）和稳定层（包括Ni、P及高价金属（Ce、Zr、W）形成的复合氧化物），活性层为n层，n=2~10。本发明通过元素层级掺杂‑分层覆膜结构‑的协同设计，提高涂层与基底之间的结合力，实现析氧阳极高活性、高稳定性与低成本工业化生产的统一。

一种无定形镍钒氧化物负载铂单原子电解水催化材料及其制备方法

Resumen de: CN122773447A

本发明公开了一种无定形镍钒氧化物负载铂单原子电解水催化材料及其制备方法。包括以下步骤：对泡沫镍超声处理；配制NiSO4·6H2O、NH4VO3和H3BO3混合溶液；将溶液转移至电解池中，通过三电极体系在电化学工作站下以恒电位电沉积得到负载在泡沫镍上的Ni/VOx；配置KOH和H2PtCl6·6H2O混合溶液，将之前沉积得到的Ni/VOx作为工作电极，石墨棒作为对电极，饱和甘汞电极作为参比电极，在电解液中以进行多循环阴极极化得到Pt‑Ni/VOx催化剂。本发明通过两步电沉积的制备方式，将Pt单原子负载到无定形Ni/Vox形成Pt‑Ni/VOx催化材料，既降低了Pt的负载量，又提高了催化剂的稳定性，继而开发出在阴离子交换膜电解水设备中高效制氢的催化新材料，对贵金属Pt在电解水催化领域的实际应用具有重大意义。

电解装置以及状态诊断方法

Resumen de: EP4810658A1

0001 An electrolysis device includes: an electrolysis cell having a reduction electrode, an oxidation electrode, a first chamber facing on the reduction electrode, a second chamber facing on the oxidation electrode and configured to be supplied with an electrolytic solution containing water or water vapor, and a diaphragm provided between the first chamber and the second chamber; an operation parameter input unit configured to input an operation parameter for operating the electrolysis cell; an operation control unit configured to generate at least one control signal for operating the electrolysis cell according to the operation parameter; a control signal monitor unit configured to monitor the at least one control signal from the operation control unit; and a data processing unit configured to diagnose a state of the electrolysis cell by performing data processing using control signal data indicating a monitoring result of the at least one control signal.

用于浮动平台的海水电解制氢系统及自适应稳定控制方法

Resumen de: CN122773374A

0001 本发明涉及一种用于浮动平台的海水电解制氢系统及自适应稳定控制方法，所述系统包括：六自由度主动波浪补偿平台、海水电解制氢单元、多源运动感知单元、波浪预测子系统及智能控制器。所述方法包括：信息感知与采集、波浪预测与运动补偿计算、电解参数动态优化、协同执行与闭环反馈；在运动补偿的同时，依据平台运动预测结果实时调节电解槽电流密度、电解质流量、温度与压力，形成“感知‑预测‑补偿‑调控”闭环。本发明实现了机械运动补偿与电化学工艺参数的深度耦合，可在复杂海况下为准静态电解环境提供保障，显著提升制氢效率、气体纯度及设备寿命，填补浮式平台制氢装备在运动‑工艺协同控制领域的技术空白。

电解模块和制氢设备

Resumen de: CN122773382A

本申请提供了一种电解模块和制氢设备，电解模块包括第一端部组件、第二端部组件以及多个电堆单元。第二端部组件与第一端部组件间隔设置。多个电堆单元位于第一端部组件和第二端部组件之间，每个电堆单元包括依次设置的金属巡检隔板、阴极扩散层、阴离子交换膜、阳极扩散层、阳极流场、阳极极框，阳极极框设置有容置孔，阳极流场和阳极扩散层容置于容置孔中。金属巡检隔板的承压能力与氢气压力适配，非金属阳极极框的承压能力与氧气压力适配，使电解模块在电解制氢、制氧时结构保持稳定、可靠，使电解模块的结构与电解模块的输出压力适配，以及减小非金属阳极极框的重量，减小对电解模块进行吊装、装配、运输的难度。

POROUS CATALYTIC MEMBRANE, MEMBRANE ELECTRODE ASSEMBLY AND WATER ELECTROLYSIS DEVICE

Resumen de: US20260275550A1

Provided are a porous catalytic membrane, a membrane electrode assembly and a water electrolysis device. The porous catalytic membrane includes a porous polymer membrane formed by interweaving randomly arranged nanofibers and a catalyst coated on a surface of the nanofibers. The porous polymer membrane has a self-supporting structure and a large specific surface area, providing a large number of loading sites for the catalyst. The catalyst can be directly anchored onto the nanofibers of the porous polymer membrane through a physical or chemical method to achieve uniform dispersion without the need for coating by ionomers, thereby avoiding high costs and performance degradation caused by the adoption of ionomers. The exposure degree of the catalytic active sites is significantly increased, thereby enhancing utilization efficiency of the catalyst and reducing the amount of noble metal catalysts.

水電解セル、及び水電解装置

Resumen de: JP2026147521A

【課題】イオン交換膜の損傷を適切に抑制することができる水電解セル、及び水電解システムを提供すること。【解決手段】本開示に係る水電解セルは、イオンを選択的に透過する性質を有するイオン交換膜と、イオン交換膜の一方側に配置される負極側触媒層と、イオン交換膜の他方の面側に配置される正極側触媒層と、イオン交換膜の一方の面と負極側触媒層の間と、イオン交換膜の他方の面と正極側触媒層の間との、少なくとも一方に設けられ、親水性を有する有機材料で構成される保護膜と、を備える。【選択図】図１

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.

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.

DIRECT AIR CAPTURE OF CARBON DIOXIDE

Resumen de: US20260273467A1

A cyclic process for the capture of carbon dioxide (CO2) directly from air utilizing a three-compartment electrolytic cell coupled with a hydroxide-based CO2 capture system as well as a carbonate-based CO2 capture system. Air is passed over a hydroxide compound in the hydroxide-based CO2 capture system to extract carbon dioxide from the air and produce a carbonate compound which is transferred to the carbonate-based CO2 capture system, where air is passed over the carbonate compound to extract carbon dioxide from the air and produce a bicarbonate compound. The bicarbonate is then passed into the three-compartment electrolytic cell where CO2, hydrogen and oxygen gases are separately released and the bicarbonate solution is transformed into a hydroxide solution that is reused in the hydroxide-based CO2 capture system. The flow of input compounds from one system to the other enables efficient operation of the direct air capture of carbon dioxide system.

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).

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.

METHOD AND SYSTEM FOR PRODUCING A SYNTHETIC FUEL FROM BIOMASS

Resumen de: AU2025240709A1

The invention relates to a method for producing a synthetic fuel (F), comprising the steps (S1): carrying out a first reaction process, wherein the first reaction process creates a gas mixture of synthesis gas (SG) and carbon dioxide (CO2) with the addition of biomass (BM), oxygen (O2), wherein the synthesis gas (SG) contains carbon monoxide (CO) and hydrogen (H2); (S2): separating carbon dioxide (CO2) from the gas mixture and supplying hydrogen (H2) to separated carbon dioxide (CO2) for a second reaction process; (S3): carrying out a second reaction process, wherein in the second reaction process methanation is carried out using the reactants carbon dioxide (CO2) and hydrogen (H2), wherein methane (CH4) and water (H2O) are produced as an intermediate product; (S4): feeding back methane (CH4) and water (H2O) obtained from the second reaction process into the first reaction process, wherein a gas mixture containing synthesis gas (SG) is produced; and (S5): discharging synthesis gas (SG) and converting synthesis gas into a synthetic fuel (F). The invention further relates to a system (1) for producing a synthetic fuel (F), which is designed in particular to carry out the method.

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.

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).

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.

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

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.

ELECTRODE CATALYST LAYER AND MEMBRANE ELECTRODE ASSEMBLY

Nº publicación: US20260275545A1 17/09/2026

Solicitante:

TOPPAN HOLDINGS INC [JP]
TOPPAN Holdings Inc.

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.