Resumen de: EP4786650A1
0001 A membrane electrode assembly includes: an anode; a cathode; and an electrolyte membrane provided between the anode and cathode. The anode includes: a porous and conductive anode conductive transport layer; and an anode catalyst layer provided between the anode conductive transport layer and the electrolyte membrane. The anode catalyst layer includes first sheet layers and first gap layers, each first sheet layer and each first gap layer being alternately stacked. The cathode includes a porous and conductive cathode conductive transport layer, and a cathode catalyst layer provided between the cathode conductive transport layer and the electrolyte membrane. The cathode catalyst layer includes second sheet layers and second gap layers, each second sheet layer and each second gap layer being alternately stacked. A porosity of the cathode conductive transport layer is higher than a porosity of the anode conductive transport layer.
Resumen de: EP4786649A1
A membrane electrode assembly includes an anode having an anode catalyst layer, a cathode having a cathode catalyst layer, and an electrolyte membrane provided between the anode and the cathode. An ion exchange equivalent weight of the electrolyte membrane is equal to or higher than an ion exchange equivalent weight of the cathode catalyst layer. An ion exchange equivalent weight of the anode catalyst layer is higher than the ion exchange equivalent weight of the cathode catalyst layer and is equal to or higher than the ion exchange equivalent weight of the electrolyte membrane.
Resumen de: FR3171664A1
Système d’électrolyse comprenant une pluralité d’ensembles modulaires. L’invention concerne un système d’électrolyse (1) caractérisé en ce qu’il comprend une pluralité d’éléments modulaires, la pluralité d’éléments modulaires comprenant : au moins un module d’électrolyseurs (4) comprenant N stacks d’électrolyseurs, N étant un nombre entier naturel supérieur ou égal à deux, les N stacks d’électrolyseurs étant configurés pour produire, à partir d’un fluide, un premier mélange et un deuxième mélange,un groupe de traitement du premier mélange (6), ledit groupe de traitement du premier mélange (6) comprenant : au moins un module de séparation du premier mélange (10), configuré pour séparer le premier mélange en un premier gaz et en ledit fluide,au moins un premier module de recirculation (12) configuré pour assurer la recirculation du fluide vers l’au moins un module d’électrolyseurs (4), la pluralité d’éléments modulaires étant physiquement déconnectée les uns des autres et configurée pour être interconnectée fluidiquement entre eux. (Figure 1)
Resumen de: CN122479791A
0001 本发明涉及一种氮化碳包覆镍钌合金催化剂及其制备方法与应用,属于氨分解催化剂制备技术领域。包括步骤:按照镍与钌的摩尔比为(7~9):(1~3)的比例,将镍源和钌源混合为金属盐混合物;按照络合剂与金属盐混合物中的金属元素的摩尔比为(1.0~1.5):1,将络合剂、金属盐混合物、助燃剂与溶剂混合为混合液;去除混合液中设定量的溶剂后获得第一混合物,将混合物在第一保护气氛下于200~350℃引发自蔓延燃烧反应,获得第二混合物;将第二混合物在第二保护气氛下加热至600~750℃焙烧1~3h,获得所述氮化碳包覆镍钌合金催化剂。络合剂避免了传统浸渍法在干燥和焙烧过程中因溶质偏析导致的颗粒聚集,自蔓延放热燃烧反应促进Ni‑Ru完全互溶,形成晶格匹配的合金结构。
Resumen de: CN122482403A
0001 一种无需外加牺牲剂的基于金属负载的塑料光催化制氢的方法,它属于光催化能源转化与塑料废弃物资源化利用技术领域。方法:一、塑料碱水解;二、制备Fe/TiO<2>催化剂;三、光催化产氢。本发明以塑料水解液为光重整底物,在不添加牺牲剂的条件下,利用金属负载催化剂实现塑料水解液的直接光重整产氢,解决了传统技术依赖牺牲剂、催化剂效率低等问题。本发明构建塑料水解‑光催化产氢闭环体系,突破传统塑料回收高能耗、低附加值的局限,将废弃塑料直接转化为高价值氢气,相同条件下产氢速率较未负载金属的TiO<2>显著提高;同时水解液无需分离提纯,无需外加牺牲剂,简化流程的同时降低了能耗与处理成本,实现“污染治理‑能源生产”的协同。
Resumen de: CN122484832A
0001 本发明公开了一种Fe<3>C/Fe/单壁碳纳米管复合电催化材料及其制备方法与应用,属于电催化析氢材料技术领域。本发明方法将对苯二甲酸、二茂铁和乙醇混合,通过加热搅拌形成均一前驱液,再经雾化和浮动催化剂化学气相沉积,一步原位合成Fe<3>C/Fe纳米颗粒镶嵌或部分包覆于单壁碳纳米管管束的复合电催化材料。本发明通过特定前驱体配方和工艺,协同调控了活性相与导电骨架的原位生长。所得材料在碱性电解液中表现出优异的析氢反应活性,过电位低至191±2 mV,且稳定性好。该方法简单可控,易于规模化,在电解水制氢领域具有广阔应用前景。
Resumen de: CN122484838A
0001 本发明公开了一种柠檬酸辅助CeO<2‑x>修饰的NiMo合金催化剂的制备方法及应用,包括S100,选取导电基底并对导电基底进行除杂;S200,通过镍盐水溶液和钼盐水溶液制备镍钼混合盐溶液;S300,将导电基底放入镍钼混合盐溶液后,进行水热反应,获得镍钼氧化物前驱体;S400,通过铈盐与柠檬酸制备含铈纳米颗粒溶胶;S500,将镍钼氧化物前驱体在含铈纳米颗粒溶胶中得到CeO<2‑x>/NiMo复合前驱体;S600,将CeO<2‑x>/NiMo复合前驱体还原气氛中进行还原反应,得到CeO<2‑x>修饰的NiMo合金催化剂;本发明借助柠檬酸酯化交联实现CeO<2‑x>均匀包覆NiMo合金,所得催化剂在碱性电解水中兼具低过电位与超长大电流稳定寿命,制备工艺简单、成本低廉。
Resumen de: CN122484834A
本发明提供一种AlCoCrFeNi2.1/高熵氧化物/TiB2三元电催化剂及其制法与应用。该电催化剂包含高熵合金AlCoCrFeNi2.1、TiB2以及位于二者界面处的纳米级高熵合金氧化物,形成高熵合金/纳米级高熵氧化物/TiB2的三明治式三元异质结构。其制备方法包括:将AlCoCrFeNi2.1与TiB2混合后,采用分段式球磨工艺进行机械合金化处理,所得复合粉末负载于导电基底上,通过原位电化学氧化处理,在界面处原位生成纳米级高熵合金氧化物中间层。本发明电催化剂实现了析氧反应电催化剂的高催化活性、超长耐久性(1000小时)和优异耐海水腐蚀性能的协同提升。适用于电解水析氧反应及碱性海水电解。
Resumen de: CN122484818A
本发明涉及电解水制氢技术领域,具体涉及一种铱锰氧化物催化剂及其制备方法和应用。商品化二氧化铱对OER反应的电催化稳定性不佳。针对上述问题,本发明提供一种铱锰氧化物催化剂,采用由硝酸钠与氢氧化钾按质量比1:1组成的复合熔盐介质进行高温煅烧,所得IrMnO催化材料在长时间析氧反应测试中表现出平稳的电位响应。计时电位曲线显示,催化剂在持续运行过程中电位无明显升高,未出现明显的活性衰减或材料溶解失活现象,其稳定性优于传统二氧化铱催化剂。
Resumen de: CN122482525A
一种纳米级低价态铱钌氧化物催化剂及其制备方法与应用,属于纳米材料制备技术领域。催化剂晶体结构为单斜晶系,颗粒尺寸为纳米级,其中Ru和Ir分别稳定于+3~+4的混合低价态。与传统+4价金红石相不同,本发明催化剂的金属价态经历长时间催化后仍能保持低价态,避免了不可逆过氧化,同时氧化物骨架保持结构刚性。本发明还提供了该催化剂的制备方法,通过共沉淀、煅烧、混合溶剂热还原及惰性气氛热处理的组合工艺,实现晶相转变与价态调控。该方法操作可控、重复性好,所得催化剂兼具高活性和高稳定性,在10 mA cm−2电流密度下可连续稳定运行100小时以上,可作为酸性水分解制氢领域的高效阳极电催化剂,具有广阔的应用前景。
Resumen de: CN122484806A
0001 本发明提供一种电解水制氢用电极及其制备方法与应用,涉及电解水制氢技术领域,所述电解水制氢用电极包括:基体以及负载在基体上的催化剂,所述催化剂包含镍元素和稀土元素,所述催化剂具有微球与纳米棒相互交织的形貌;所述微球的直径为3~30 μm,所述纳米棒的长度为5~50 μm。本发明提供的电解水制氢用电极在大电流密度下具有优异的气泡管理能力。催化剂独特的微球与纳米棒相互交织的形貌能够有效切割气泡,阻止气泡合并长大,加速氢气逸出,从而降低传质过电位,提高大电流密度下的电解效率,明显提升电极的催化性能。
Resumen de: CN122484849A
本申请公开了一种离网光伏制氢系统的控制方法及相关装置,应用于离网光伏制氢系统的控制模块,该方法包括:获取离网光伏制氢系统的历史工作数据集;基于历史工作数据集确定离网光伏制氢系统对应的目标模型;目标模型用于对离网光伏制氢系统的运行过程进行仿真;基于预设优化算法和预设多优化目标对目标模型进行求解,得到最优配置参数集;基于最优配置参数集对离网光伏制氢系统进行控制,以实现预设多优化目标。采用本申请实施例,提升了离网光伏制氢系统的控制效果。
Resumen de: CN122484854A
本发明公开了一种电解水制氢的一体增压装置,包括:电解水制氢设备上的氧气管路出口端连接气气引射器氧气入口,气气引射器上还设置有空气管路和混合气体管路,混合气体管路的出口端连接气动增压设备的驱动端,气动增压设备连接液压油箱的吸油管路,液压油在气动增压设备中增压后通过高压液压管路储存在液压蓄能器中成为高压液压油,高压液压油驱动液驱增压泵对电解水制氢设备产生的氢气进行增压,增压后的氢气通过高压氢气管路存储在高压储氢瓶。本发明通过电解水制氢的副产物氧气进行氢气增压,高效利用电解水制氢产物,降低电解水制绿氢的使用成本,通过混合气体进行氧气利用,增加氢气加压的安全性。
Resumen de: CN122484828A
0001 本发明公开了一种热诱导磁相变型水氧化催化电极材料及其制备方法和应用。本发明电极材料以负载于导电基底上Fe<3>O<4>为基体,掺杂过渡金属离子形成掺杂型Fe<3>O<4>催化剂,调控Fe<3>O<4>的磁矩、磁各向异性和电子结构,优化磁学性能、降低磁基态转变温度使其契合电解槽的工作温度,从而诱导掺杂型Fe<3>O<4>催化剂在该温区由亚铁磁态转变为顺磁态,降低电子转移势垒,提升催化效率。此外,过渡金属离子掺杂还可增加材料表面的催化活性位点,加速电极/电解液界面电子转移,进一步提升催化性能。本发明通过调控掺杂量调节磁相转变温度与催化性能,使电极材料具有较低的催化过电位和较快的催化反应动力学,且长期稳定运行,具有广阔的应用前景。
Resumen de: CN122483114A
本发明属于光催化技术领域,具体涉及一种聚集诱导发光材料、薄膜及其制备方法和应用。本发明提供的聚集诱导发光材料一方面能在太阳光照射下实现长时间高效的催化污水产氢,另一方面还能通过光催化作用杀灭污水里的有害微生物,起到净化污水的作用。
Resumen de: CN122484825A
本发明公开了一种Al掺杂ZnO纳米棒压电催化剂及其制备方法与应用,涉及压电催化与半导体材料技术领域。所述Al掺杂ZnO纳米棒压电催化剂中Al元素的掺杂量为Zn元素的摩尔量的2‑5%。所述Al掺杂ZnO纳米棒压电催化剂通过水热法制备。本发明通过合理掺杂Al元素调控ZnO纳米棒载流子浓度与压电性能的平衡关系(Al掺杂引起晶格畸变,导致c轴晶格常数缩短、键角调整,从而同步提升载流子迁移率和压电极化能力),在显著提高电荷传输效率的同时避免压电极化削弱,从而实现高效、稳定的压电催化制氢。
Resumen de: AU2025213224A1
A system and method of making hydrogen from water. A reaction vessel is provided with an outer shell, a central shaft, and concentric inner tubes separated by annular spaces. Water is delivered to the annular spaces by a water pump through an inlet defined in the reaction vessel. The water courses along a tortuous flow path. That path begins at an inner annular space around a central shaft. It ends at an outer annular space. The water emerges from the reaction vessel through an outlet associated with a manifold. A vibratory stimulus is applied to the reaction vessel and water. Water molecules are dissociated into hydrogen molecules and oxygen atoms. These reaction products are delivered through the manifold along an effluent flow path to a receiving pressure vessel before deployment to a sub-assembly for harnessing clean energy.
Resumen de: KR20260117878A
본 발명은 액체 혼합 금속 기반 암모니아 분해반응을 통한 수소 생산 장치 및 이를 활용한 생산방법에 관한 것이다. 본 발명은 이종액체 금속을 이용한 버블칼럼 반응기를 활용하여 암모니아를 수소로 전환하는 기술로 종래 기술에서 활용하고 있는 고체 촉매 방식이 아닌 액체금속이 촉매 역할을 하게 된다. 구체적으로, 본 발명은 암모니아 열화학 분해 반응을 통해 수소와 질소로 열분해하는 시스템으로서 암모니아를 해외에서 수입하여 국내에서 수소로 활용하려는 수소 수입, 저장, 운송, 발전 사업에 적용 가능하며, 반도체 및 디스플레이 산업 등에서 배출되는 암모니아 저감을 위한 스크러버로 사용 가능하다.
Resumen de: US20260221479A1
0000 The present invention provides a reinforced ion-conducting membrane comprising: (a) a reinforcing layer comprising a porous polymer structure; and (b) a polymeric ion-conducting membrane material impregnated within the porous polymer structure; wherein the porous polymer structure comprises a polymer backbone based on nitrogen-containing heterocycles and the polymeric ion-conducting membrane material has a transition temperature Ta in the range of and including 60 to 80° C.
Resumen de: US20260218404A1
An electrolytic cell of the present disclosure includes a first separator, a second separator, an anion exchange membrane disposed between the first separator and a second separator, a cathode disposed between the first separator and the anion exchange membrane, and an anode disposed between the second separator and the anion exchange membrane. The first separator includes a flow path for supplying an electrolyte to the cathode, and at the cathode, at least part of the electrolyte supplied from the flow path is consumed to generate hydrogen and hydroxide ions. The second separator does not include a flow path for supplying the electrolyte to the anode, and at the anode, oxygen and water are generated by the hydroxide ions that have passed through the anion exchange membrane from the cathode in a state where the electrolyte is not supplied.
Resumen de: US20260217522A1
0000 A process for producing a synthesis gas product by an endothermic reaction of a feedstock stream, including providing an ammonia fuel stream, performing a first combustion in which the ammonia fuel stream is partially burned, generating heat and a combustion flue gas stream comprising an unburned portion of ammonia fuel stream being not burned, providing heat from the first combustion and from the combustion flue gas stream to the endothermic reaction, thereby obtaining a cooled flue gas stream, performing a second combustion of the cooled flue gas stream in which the unburned portion of ammonia fuel stream is burned, and providing heat from the second combustion to the endothermic reaction.
Resumen de: US20260221470A1
0000 Problem To provide a catalyst-loaded carbon having a high initial activity and excellent durability. SolutionA catalyst-loaded carbon including catalyst particles and a carbon support, the catalyst particles being loaded on the carbon support. The carbon support has a crystallite size of 3.5 nm or greater and 9 nm or less, a BET specific surface area of 300 m<2>/g or greater and 450 m<2>/g or less, and a pore size of 5.0 nm or greater and 20.0 nm or less. The catalyst particles are made of platinum or a platinum alloy, have a crystallite size of 2.5 nm or greater and 5.0 nm or less and a surface area of 40 m<2>/g or greater and 80 m<2>/g or less.
Resumen de: US20260218393A1
0000 The invention provides a system for continuous generation of gases, the system comprising an electrochemical device and an active-material regeneration device.
Resumen de: US20260218390A1
Systems and methods are described for producing lithium hydroxide from lithium chloride through an electrolysis process.
Nº publicación: AU2024420420A1 30/07/2026
Solicitante:
MITSUBISHI HEAVY INDUSTRIES LTD
MITSUBISHI HEAVY INDUSTRIES, LTD.
Resumen de: AU2024420420A1
This electrolysis cell comprises: an ion exchange membrane; a power feeder which is provided on the surface of the ion exchange membrane and composed of a plurality of fibers formed in a sheet shape; a binder layer that covers the surface of each of the fibers; and an electrode catalyst layer that contains catalyst particles at least partially protruding from the surface of the binder layer. At least a part of the catalyst particles protrudes from the surface of the binder layer. Consequently, the surface area of the exposed portion of the catalyst particles is increased, and thus the contact area with an electrolyte can be increased.