Resumen de: CN122667649A
本发明属于电催化技术领域,具体涉及一种金属元素掺杂氧化钌及其制备方法与应用。制备方法包括以下步骤:将可溶性钌源、可溶性金属盐、盐模板、柠檬酸、葡萄糖和尿素加入水中混匀,制得前驱体溶液;盐模板由NaCl和LiCl组成;将前驱体溶液中的水蒸发去除,制得干凝胶;将干凝胶进行加热氧化处理,随后冷却至室温,制得产物粉末;将产物粉末分别进行酸洗处理、离心分离、去离子水洗涤和干燥处理,即得金属元素掺杂氧化钌。本发明借助异质元素掺杂调控材料微观结构与电子组态,有效提升催化剂酸性析氧催化活性与服役稳定性,完善质子交换膜水电解阳极催化材料体系,拓宽阳极催化剂选材空间。
Resumen de: CN122676954A
本发明涉及一种基于温度闭环反馈的碱性水电解槽氧中氢含量动态仿真方法,其包括:根据碱性水电解槽极化特性,将碱性水电解槽总电压进行分解;并输入电流密度及电解槽内部温度,计算并输出电解槽总电压;根据碱性水电解槽热力学特性,建立耦合计算函数,输入电流密度、输出的总电压及电解槽内部温度,计算并输出电解槽产热速率;根据碱性水电解槽热传递特性,将散热项拆分为三个分项,输入电流密度、给定的入口温度及输出的产热速率,通过热平衡方程计算并输出电解槽内部温度,并将当前的电解槽内部温度分别反馈,作为下一个循环周期的参数输入,形成温度闭环反馈,选择运行模式;运行模式为稳态模式、冷启动模式或动态负载模式中的一种。
Resumen de: CN122669410A
0001 本申请公开一种泡沫铜负载镍‑钴‑钼的自支撑微纳结构电极及其制备方法与应用,属于电解水制氢领域。制备方法包括如下步骤:(1)将泡沫铜进行处理得到预处理后的泡沫铜;(2)将预处理后的泡沫铜构建微纳结构,得到第一改性泡沫铜;(3)以第一改性泡沫铜为阴极,以纯Ni板为阳极,采用恒流电沉积法制备第二改性泡沫铜;(4)制备镍‑钴‑钼三元前驱液;(5)将第二改性泡沫铜加入镍‑钴‑钼三元前驱液中水热反应,得到电极前驱体;(6)电极前驱体煅烧退火,得到自支撑微纳结构电极。以泡沫铜为基底构建微纳结构,通过原位液相沉积金属镍实现泡沫铜改性,提高导电性与晶格适配性,在第二改性泡沫铜表面生长镍‑钼‑钴多元复合催化活性层。
Resumen de: WO2025216105A1
Provided is a stainless steel material for solid oxide water electrolysis, which contains, on a mass basis, 0.030% or less of C, 1.6% to 3.5% of Si, 0.10% to 1.00% of Mn, 0.050% or less of P, 0.0030% or less of S, 16.0% to 21.0% of Cr, 1.00% or less of Al, 0.030% or less of N, 1.00% or less of Nb, 1.00% or less of Ti, 1.00% or less of Ni, and 1.00% or less of Cu, with the balance being made up of Fe and impurities.
Resumen de: CN122669406A
本发明公开了一种制氢系统和电解槽压紧力调节方法,属于电解制氢设备控制技术领域,其中制氢系统包括电解槽与压紧力调节装置,电解槽含相对设置的两块压紧端板及堆叠于其间的电解单元组,至少一块端板外侧布设传感器阵列,压紧力调节装置包含控制器与多组独立执行机构,对应作用于端板各分区。本发明通过分区分布式感知架构,结合压力映射与温度补偿模型获取区域真实压紧力,基于区域空间距离与实时温差构建双耦合解耦机制修正压力偏差,驱动执行机构分区独立调控,实现端板压紧力高精度闭环控制,解决高温测量失真、刚性端板应力耦合问题,提升密封可靠性与压紧力长期稳定性,延长保压周期并降低运维成本。
Resumen de: US20250297366A1
A Microwave Plasma-enhanced Chemical Vapor Deposition (MPCVD) Device is provided. The MPCVD device comprises a reacting chamber and a gas generator. The reacting chamber contains a substrate holder. The gas generator provides hydrogen to the reacting chamber. The purity of the hydrogen is higher than 4N. The reacting chamber is configured to facilitate a MPCVD process, and the gas generator is at the site of the MPCVD process.
Resumen de: SE2500030A1
Uppfinningen avser förfarande och arrangemang för att producera ammoniak från väte samt luftens kväve. Uppfinningen kännetecknas av att i en förbränningsmotor för ammoniak förbränns ammoniak stökiometriskt med syret i den omgivningsluft som tillförs motorn varefter bildad het avgas med vattenånga reagerar med järnet i avgassystemet och bildar rost i en endoterm reaktion varvid väte frigörs samtidigt som ammoniak bildas i en exoterm reaktion i motorns avgassystem som består av järn och utgör ett cirkulärt energilager.
Resumen de: NZ808750A
The invention relates to a new kind of electrocatalyst to be incorporated as part of the electrodes, anode and cathode, in water electrolysers aimed for hydrogen production through the electrochemical splitting of water into oxygen and hydrogen. The electrocatalyst is characterized by a layered and porous structure that provides a high performance towards the oxygen evolution reaction in the absence of added ionomer. The object of the invention is framed in the field of energy.
Resumen de: CN122649008A
本发明涉及制氢技术领域,公开了一种C@CoP2/Fe2P多相异质结催化剂的制备方法及其在制氢中的应用。该制备方法包括:S1:将铁盐、钴盐、尿素、氟化铵和水制成混合溶液,将泡沫镍浸渍于混合溶液中进行水热反应;S2:将S1产物浸渍于铁氰化钾溶液中进行蚀刻反应,制得泡沫镍负载的CoFe‑PBA/Fe2O3异质结中间体;S3:气相磷化,得到C@CoP2/Fe2P多相异质结催化剂。本发明催化剂中的C@CoP2/Fe2P多相异质结催化剂具有由超薄纳米片组装而成的花状微球结构,并进一步构筑出开放的三维层级网络,且碳层、CoFe‑PBA、CoP2和Fe2P形成了多相异质界面,可调控异质界面的电子重分布,使得催化剂具有较高的导电性和电荷转移动力学,将其应用于碱性电解水制氢中,具有优异的电催化性能和循环耐久性。
Resumen de: WO2025134912A1
Provided is a membrane/catalyst layer structure that can maintain a good power generation performance or good electrolysis performance on a long-term basis. The membrane/catalyst layer structure has a first catalyst layer disposed opposite a second catalyst layer, and a diaphragm containing at least a polymer electrolyte membrane is sandwiched therebetween. The first catalyst layer and the second catalyst layer contain, as a first metal, the element platinum and/or the element iridium. The first catalyst layer and/or the second catalyst layer further contains, as a second metal, at least one element selected from the group consisting of gold, silver, copper, nickel, palladium, cobalt, rhodium, iron, ruthenium, and osmium. The diaphragm contains a compound N having a nitrogen-containing heterocycle.
Resumen de: WO2025049352A2
This discloses a surfaced plasmon resonance catalyst device and a chemical reaction systems using the catalyst device. The catalyst device includes metal nanoparticles formed over a supporting body with ligands that are interposed between the supporting body and many of the metal nanoparticles. Many of the ligands are bonded to a surface of the supporting body on one hand and are also bonded to at least part of the metal nanoparticles on the other hand. One chemical reaction system includes a flow reactor that accommodates the catalyst device for use in ammonia cracking.
Resumen de: WO2025051317A1
The invention relates to a fluid-conducting plate arrangement (3) of an electrochemical system (1), comprising a compression plate (4) which has an inner side (6), facing a stack of electrochemical cells, and an outer side (5) and is passed through by a plurality of through-openings to which a plurality of coolant passages (8, 9), namely a coolant inlet (8) and a coolant outlet (9), are to be assigned, wherein each coolant passage (8, 9) has a branch (12) which opens towards the inner side (6) and is formed by the compression plate (4) together with an insert plate (10) inserted into it on the outer side, such that the compression plate (4) has two separate passage portions (13, 14) and the insert plate (10) has a collecting portion (18) which adjoins the two passage portions (13, 14).
Resumen de: WO2025162564A1
A control system for a hydrogen production system is proposed. The hydrogen production system includes a plurality of electrolyzers and a plurality of converter modules each of which is coupled to one or more of the plurality of electrolyzers. The control system includes: a plurality of local controllers each of which is coupled with one or more of the plurality of converter modules and one more of the plurality of the electrolyzers; and a system controller in communication with the plurality of local controllers. The system controller is configured to receive an external dispatch value and electrolyzer state information regarding states of the plurality of electrolyzers, and to determine internal dispatch values for one or more electrolyzer from the plurality of electrolyzers based on the external dispatch value and the electrolyzer state information. A least one local controller from the plurality of local controllers associated with the one or more electrolyzers is configured to receive the internal dispatch values from the system controller, and to control operations of the one or more electrolyzers according to the internal dispatch values.
Resumen de: WO2025162556A1
The present disclosure relates to a method of using flue gas heat resulting from a combustion reaction, comprising: a) providing a fuel and an oxidant; b) preheating the fuel and the oxidant to produce a preheated fuel and a preheated oxidant; c) feeding the preheated fuel and preheated oxidant to a combustion chamber; d) heating raw materials via the combustion reaction of the preheated fuel with the preheated oxidant in the combustion chamber and generating flue gas; e) transferring at least part of the heat of the flue gas exiting the combustion chamber to an intermediate fluid, thereby producing a heated intermediate fluid; f) heating a Solid Oxide Electrolyzer Cells (SOEC) unit to a SOEC operating temperature, g) exchanging heat using at least part of the heat of the heated intermediate fluid, h) providing a steam stream at a steam stream temperature and an oxygen-containing carrier gas at an oxygen-containing carrier gas temperature, and feeding the steam stream and the oxygen-containing carrier gas to the SOEC unit to produce an oxygen-containing stream and a hydrogen-containing stream; wherein exchanging heat comprises 1. preheating the fuel to produce the preheated fuel to be fed to the combustion chamber and/or 2. preheating the oxidant to produce the preheated oxidant to be fed to the combustion chamber. The present disclosure also relates to a system of using flue gas heat from a combustion reaction.
Resumen de: WO2025137956A1
The present disclosure relates to a method of piezocatalytic decomposition of water under ultrasonic excitation at dislocations in the crystalline catalyst and to a setup comprising a piezoelectric catalyst, such as barium titanate and potassium niobate, having dislocations. The disclosure is, in particular, characterized by the fact that leveraging dislocation structures within piezoelectric catalysts improves piezoelectric catalytic decomposition of water for the purpose of higher hydrogen production.
Resumen de: CN122648980A
本发明属于电催化材料制备技术领域,涉及一种碳化钼/氧化锆复合电催化剂及其制备方法、应用。本发明采用水热法制备UiO‑66(碳化钼碳源);再通过热解还原制备得到碳化钼复合催化剂。与现有技术相比,本发明的材料合成反应可控,结构稳定,具备框架结构,展现良好使用寿命;本发明制备方法系统性强,利用UiO‑66提供丰富孔道结构有效促进传质,从而显著提升催化效率;得到的碳化钼复合催化剂具有良好电催化性能,应用于PEM电解水制氢可显著降低成本。
Resumen de: CN122649014A
0001 本发明涉及电解水制氢控制技术领域,公开了一种碱性电解系统能耗‑温度‑纯度协同预测控制方法,该方法获取碱性电解系统的运行数据和控制目标,根据运行数据、控制目标和设备运行范围生成多个候选运行工况;通过电化学模型预测候选运行工况对应的电解槽电压、产氢量、产氧量和单位产氢能耗;通过热模型预测电解槽温度状态;通过气体纯度模型预测氢气纯度和氧气纯度;对单位产氢能耗、电解槽温度状态、氢气纯度和氧气纯度进行耦合评价形成协同预测结果,并从满足约束条件的候选运行工况中确定目标运行工况,输出对应控制参数;根据实际运行数据修正模型参数。本发明能够提高碱性电解系统工况选择的合理性。
Resumen de: CN122648986A
0001 本发明公开了一种单相化NiCoFe‑LDH电催化剂、电极的制备及其应用。本发明提供了一种水热合成方法,通过将预处理后的泡沫镍浸入含有特定摩尔比镍源、钴源、铁源、尿素和氟化铵的前驱体溶液中,在可控温度下反应,直接在基底上原位生长催化剂。该方法的核心在于控制金属离子总浓度为30‑35 mmol/L且摩尔比为(1‑2):(1‑2):(1‑2),协同尿素与氟化铵的作用,实现了镍、钴、铁三种金属在原子尺度上的均匀复合,有效避免了富铁或富钴等不利杂相的生成。所制得的催化剂与基底结合牢固,在碱性析氧反应中表现出高催化活性、低过电位和优异的长期稳定性,适用于高效电解水制氢阳极。本发明工艺简单,重现性好,具有规模化生产潜力。
Resumen de: CN122648985A
本申请属于电催化材料技术领域,具体涉及一种镍钴基普鲁士蓝衍生物/多孔蚕茧生物质碳复合电催化剂及其制备方法和应用。该催化剂以蚕茧经脱胶、碳化制得的三维网状氮掺杂多孔碳为基底,通过共沉淀法在其表面原位生长镍钴普鲁士蓝类似物前驱体,再经气相沉积法进行硫化、磷化或硒化处理转化而得。该方法完整保留了生物质的三维交织网络结构,活性组分以纳米颗粒形式均匀分散并与碳基底形成强耦合界面。该复合材料可直接作为自支撑电极用于电催化析氧反应,10 mA·cm‑2电流密度所需的过电位可低至224 mV,Tafel斜率为53.90 mV·dec‑1,具备高活性、高稳定性和低成本的优势。
Resumen de: CN122648989A
0001 本发明公开一种二价铁离子与铝离子共掺杂镍铁基析氧电催化剂、其制备方法及应用与电解水析氧方法,属于电化学能源转换技术领域。所述电催化剂包括导电基底以及原位生长于导电基底表面的二价铁离子与铝离子共掺杂镍铁层状双氢氧化物纳米片阵列。二价铁离子与铝离子的协同引入能够有效调控催化剂的电子结构与局域配位环境,提高活性位点利用率,并增强材料在高温高碱条件下的结构稳定性。所得催化剂在碱性电解水析氧反应中表现出优异的催化活性和长期运行稳定性,在6 mol·L<‑1>KOH电解液、80°C条件下仍可实现高电流密度稳定运行,适用于工业碱性电解水制氢领域。
Resumen de: CN122646923A
本发明属于电催化材料技术领域,公开了一种铱钌双金属氧化物的梯度络合‑等离子体辅助制备方法及应用。该方法采用分步超声辅助双络合剂梯度络合,实现Ir和Ru离子的分子级预混合;通过反向滴加与pH阶梯沉淀,精确控制两种离子的成核与生长速率;并首次引入低温等离子体处理沉淀悬浮液,改善颗粒分散性并预置氧空位;结合冷冻干燥与两段式煅烧,获得高比表面积、原子级均匀混合的铱钌双金属氧化物。该方法克服了传统共沉淀法中Ir、Ru离子沉淀动力学不匹配、颗粒团聚严重的问题,由本方法制备的铱钌双金属氧化物催化剂在酸性析氧反应中表现出优异的活性,可应用于质子交换膜水电解槽。本发明工艺新颖、重现性好,具有显著的工业应用前景。
Resumen de: CN122648992A
0001 本发明公开了一种富氧空位CoMoO4微米花球电催化剂的制备方法与应用,属于电催化能源材料技术领域。本发明以六水合硝酸钴、二水合钼酸钠为原料,去离子水‑乙二醇为混合溶剂,通过简易水热法制备出二维纳米片自组装的CoMoO4微米花球前驱体,再经惰性氛围低温退火工艺精准构筑丰富氧空位,最终得到富氧空位CoMoO4微米花球电催化剂。本发明制备工艺简单、条件温和、绿色可控、适合规模化生产,所得催化剂具有规整的层级多孔微米花球结构、丰富的氧空位缺陷,比表面积大、活性位点数量多、电荷传输速率快。该催化剂可作为双功能电催化剂,高效应用于碱性体系电解水析氢、析氧及全解水反应,有效降低电解水反应过电位,提升催化效率与循环稳定性,解决了传统CoMoO4催化剂活性低、稳定性差、制备工艺复杂的技术难题,在绿色氢能制备领域具备极高的应用价值与推广前景。
Resumen de: CN122648996A
0001 本发明涉及电极领域,具体涉及一种含NiFeMo的镍基析氧电极及其制备方法和应用,以水为溶剂,制备铁盐、钼盐、络合剂混合溶液,以异丙醇为溶剂,制备镍盐溶液,再将两相混合,得到镀液;将预处理后的泡沫镍基底放入镀液中浸泡,以泡沫镍基底上的镍位点作为晶种,进行种子辅助的非均相成核反应,在基底表面原位成核并生长催化剂层,得到含NiFeMo的镍基析氧电极;本发明通过种子辅助的非均相成核法在室温下一步构建含NiFeMo的镍基析氧电极,实现阴离子交换膜水电解在大电流密度下高效稳定产氢,该发明具有步骤简易、条件温和、可扩展、可大规模制备等优势,为碱性水电解制氢提供一种高效稳定的解决方案。
Resumen de: CN122648987A
0001 本发明涉及一种锰氧共掺杂硒化镍电催化电极的制备方法,包括以下步骤:S1、将镍盐和锰盐溶于有机溶剂中,得到混合液,再将预处理碳布浸没于所述混合液中超声,取出并烘干,得到金属盐负载的碳布;S2、将所述金属盐负载的碳布与硒粉在惰性气氛下硒化,即得。本发明采用“超声浸渍‑气相硒化”工艺,一方面,通过Mn、O原子在NiSe<2>晶格中共掺杂,调控表面重构和电子结构,使电催化电极形成对反应物和中间体吸附强度适中的高活性位点,从而保证UOR反应的高效进行;另一方面,Mn、O共掺杂还能增强晶格结构稳定性,且Mn的引入能抑制活性位点的不可逆相变,从而有效减缓电催化电极在长期电化学循环过程中的结构退化,显著提升运行稳定性。
Nº publicación: CN122644084A 28/08/2026
Solicitante:
哈尔滨理工大学
Resumen de: CN122644084A
0001 本发明涉及一种多孔MnCdS/CeO<2>异质结光催化剂及其制备方法,属于复合光催化材料技术领域。为解决现有MnCdS/CeO<2>复合体系光催化产氢效率低的问题,本发明提供了一种多孔MnCdS/CeO<2>异质结光催化剂,由纳米片状CeO<2>载体和原位生长于其表面的颗粒状MnCdS固溶体构成。本发明采用煅烧法制备的CeO<2>纳米片表面富含缺陷结构,通过溶剂热法将MnCdS原位生长于该CeO<2>表面时,MnCdS颗粒堆叠形成丰富的颗粒间隙孔,构筑出MnCdS/CeO<2>分级多孔异质结构,该结构协同促进光生载流子分离,使氢气产率达到约20.26mmol·g<‑1>·h<‑1>,显著增强了全光谱下的光催化产氢性能。