Resumen de: CN120158755A
本发明公开了一种制备萘醌衍生物并产氢气的方法和电解池,属于储能技术领域。所述电解池包括端板I、集流体I(正极)、电极装置、集流体II(负极)和端板II依次固定叠合;电极装置包括正极单元、膜电极和负极单元依次叠合;正极单元内设有正电极和正极电解液;负极单元内设有负电极且不设置负极电解液;膜电极包括质子交换膜、催化剂层和气体扩散层;质子交换膜的第一面和正极单元接触,质子交换膜的第二面上设有催化剂层,催化剂层和气体扩散层叠合,气体扩散层和所述负极单元接触。本发明方法将有机活性分子电化学氧化与产氢耦合,可更加快速且便捷地获得大量的有机活性分子和高纯氢气。
Resumen de: CN120161007A
本发明涉及电化学测试相关技术领域,且公开了一种电催化析氢性能测试装置,包括反应箱体,反应箱体的侧面设置有检测箱体,反应箱体和检测箱体之间固定连接有连接管,检测箱体的内壁上转动连接有齿轮,齿轮上固定连接有光线发射器,齿轮的底部啮合连接有齿条,齿条的侧面上固定连接有一号弹簧阻尼装置,检测箱体的顶部内壁上固定连接有检测板,检测板内部设置有红外检测板和光线接收装置,连接管包括装置外壳,装置外壳上开设有通气孔,装置外壳的内侧面上开设有通气槽;氢气在检测箱体中推动齿条运动,改变了齿轮上光线发射器照射角度,利用红外检测板检测氢气浓度,光线接收装置检测气体生成量,达到检测装置析氢性能的目的。
Resumen de: CN120155197A
本发明涉及光催化析氢领域一种富硫空位多孔二硫化钼与硫化锌镉构建Ⅱ型异质结光催化剂的制备及其应用。本发明的目的是提供一种制备工艺简便、成本低廉且具有高效光催化析氢性能的Ⅱ型异质结光催化剂,以提升光催化析氢效率,缓解当前能源危机下对清洁能源的迫切需求。所采用的方法:以二氧化硅为模板,通过氢氟酸的刻蚀作用,生成富硫空位多孔二硫化钼,将其与醋酸锌、氯化镉、硫脲和聚乙烯吡咯烷酮一同作为原料,采用水热合成方法,制备的一种富硫空位多孔二硫化钼与硫化锌镉构建Ⅱ型异质结光催化剂可适用于光催化析氢领域且具有较高的催化活性和稳定性。
Resumen de: CN120157927A
本发明属于新材料技术领域,涉及以聚砜树脂为粘结剂的层状双氢氧化物膜,所述的层状双氢氧化物膜是以聚砜树脂为粘结剂将层状双氢氧化物颗粒或层状双氢氧化物纳米片连接成连续薄膜得到的。还涉及一种以聚砜树脂为粘结剂的层状双氢氧化物膜制备方法及应用。本发明层状双氢氧化物膜采用具有阴离子导电性的LDH为主体,其可以在碱溶液中表现出明显低于商品Zirfon膜的面电阻,因此本发明隔膜用于水电解时,可以表现出更高的电解效率。本发明的成膜方法是基于化工分离领域分离膜制备中常用的相转化原理,故其规模化制备便于以分离膜相转化制备的成熟工业设备为基础通过工艺参数改变而达成,易于实现批量化制备。
Resumen de: CN120158754A
本发明属于电解槽技术领域,尤其涉及一种阴阳极网改进型电解槽;所述阴阳极网改进型电解槽包括:框架,在框架两侧分别对称安装有阳极网以及阴极网,所述阴极网包括多个排列分布安装的极网筋片,极网筋片表面开设有定位孔;同时所述极网筋片一侧上下分布开设有多个矩形槽,矩形槽内部放置有极网筋条柱;所述框架、阳极网以及阴极网之间形成阳极室以及阴极室;所述的阴阳极网改进型电解槽在极网筋片一侧开设矩形槽,便于快速对位校准放置极网筋条柱,使得整个阴极网组装效率高效,且由于极网筋条柱横截面积更小,再加上横置稳定放置在矩形槽内部,在受到流动的电解液产生的冲击力时,波动幅度较小,不容易使整个阴阳极网产生较大的波动。
Resumen de: CN120157186A
本发明公开了一种钼酸铁电催化剂的制备方法及其在析氧反应中的应用,制备方法包括以下步骤:(1)将铁源、钼源、镍盐和硫脲分别溶于溶剂中,然后混合在一起混合均匀得到混合溶液;(2)将混合溶液进行水热反应,反应结束后,洗涤,干燥,获得所述钼酸铁电催化剂。本发明采用一步水热的方法,制备方法简单有效,制备成本较低,设计合理,并且镍的掺入调节了Fe和Mo的d带中心位置,优化了反应中间体的吸附能,降低反应能垒,合适的d带中心使催化剂表面更易吸附反应物,同时利于产物的脱附,从而加速OER动力学,提升了OER性能,实现了催化剂高催化活性和高稳定性。
Resumen de: CN120161101A
本发明公开了一种AEM水电解膜电极失效诊断方法。本发明包括:在AEM水电解膜电极正常运行时输入不同交流振幅的载波,进行载波分析,确定交流振幅大小,得到正常状态下电化学交流阻抗和总谐波失真的标准谱图;监测AEM水电解膜电极运行,发生性能变化后进入诊断模式,输入载波,进行电化学交流阻抗测试的同时进行总谐波失真测试,对输出的电化学交流阻抗信号进行傅里叶变换处理,得到电化学交流阻抗谱;对输出的谐波信号进行处理,得到总谐波失真谱;根据总谐波失真谱,结合电化学交流阻抗谱,与步骤一得到的标准谱图比较,识别AEM水电解膜电极失效类型。本发明能有效诊断AEM水电解膜电极发生温度变化、电解液计量变化以及阴阳极压力变化的失效模式。
Resumen de: DK202330354A1
A method and system for operating a solid oxide cell (SOC) unit, the method comprising the steps of: i) providing a power supply unit (PSU) comprising a rectifier and converting an AC-current to a DC-current; ii) providing a solid oxide cell (SOC) unit comprising one or more SOC stacks, supplying steam to the one or more SOC stacks and serially connecting said one or more SOC stacks to said rectifier by providing said DC-current to the one or more SOC stacks, thereby powering the one or more SOC stacks for operation in electrolysis cell mode; and outputting hydrogen from said one or more SOC stacks; iii) interrupting said DC-current to the one or more of the SOC stacks, optionally interrupting said supply of steam to the one or more SOC stacks, and supplying a fuel source to the one or more SOC stacks, thereby switching the one or more SOC stacks from operation in electrolysis cell mode to operation in fuel cell mode; and outputting a DC-current from said one or more SOC stacks; iv) providing an electric heater and serially connecting said electric heater to said one or more SOC stacks operating in fuel cell mode, by directly providing said DC-current from said one or more SOC stacks to the electric heater. The invention provides also a system for carrying out the method.
Resumen de: CN120158760A
本申请实施例提供一种用于制氢储氢系统的控制方法、装置及存储介质。方法包括:实时获取电解槽的工作电流和电解槽的阴极侧所产生的氢气流经充氢管路时的实时压力;根据工作电流和实时压力确定电解槽的阴极侧所产生的实时水量;根据实时压力和实时水量对制氢储氢系统进行充氢排水控制,实现间歇式排水和高压充氢,有效地提高排水操作的压力并使得单次充氢压力更稳定,缩短单次排水的时间和单次充氢时间,降低氢气的泄漏量,有效提升充氢效率。
Resumen de: CN120158776A
本申请公开了一种ZIF‑L衍生的碱性电解水析氧催化剂及其制备方法与应用,涉及新能源电解水催化技术领域,该方法包括:将钴盐溶液与2‑甲基咪唑溶液混合得到紫色混合溶液;在紫色混合溶液中放入泡沫镍进行陈化,得到钴基金属有机框架ZIF‑L@NF;将钴基金属有机框架加入硼氢化钠溶液中进行冰水浴,得到硼掺杂的钴基金属有机框架B‑ZIF‑L@NF;将B‑ZIF‑L@NF在惰性气氛中进行低温退火,得到碱性电解水析氧催化剂B‑ZIF‑L‑X@NF。解决了现有技术中电解水的催化剂存在活性位点被掩蔽,催化效率低的问题。实现了改变过渡金属中心的电子云分布,优化其局域电子结构,促进高价活性位点的生成,进而提高催化效率。
Resumen de: CN120157158A
本发明属于电解海水制氢技术领域,公开了一种通过化学刻蚀阳极催化剂提高电解海水性能的通用方法。针对现有技术中阳极催化剂选择性差,催化活性不足等问题,本发明提出采用化学刻蚀工艺对非贵金属基催化剂进行改性。刻蚀后催化剂表面形成多孔粗糙结构,比表面积显著增大,暴露出丰富的活性位点,有效降低析氧反应能垒。实验表明,改性后的催化剂在模拟海水中电解性能显著提升,10mA cm‑3电流密度下过电位提升了70mV。该方法工艺简便、成本低、普适性强,可适配多种非贵金属催化剂体系,为高效、低成本电解海水制氢技术的规模化应用提供了创新解决方案。
Resumen de: CN120158756A
本发明公开了一种方形带压碱性电解槽,涉及电解水制氢技术领域,包括:固定连接的左端板、电解槽主体和右端板;电解槽主体包括若干个堆叠的电解小室;电解小室包括:方形双极板,方形双极板设置有安装工艺孔和供碱液循环的进出口,方形双极板的两侧分别设置有凹槽,凹槽中固定有金属支撑网,方形双极板的两侧金属支撑网分别固定有阴极电极和阳极电极,阴极电极和阳极电极之间设置有隔膜。本申请通过设置金属支撑网,增大了方形双极板与电极之间的有效接触面积,减小了电解槽的欧姆阻抗,进而提高了制氢效率;金属支撑网还使得流场分布更加均匀,有效改善了气体在电解槽内部的积聚现象,提高了运行稳定性。
Resumen de: CN120163278A
本发明涉及一种PEM电解水制氢多槽混联优化方法吗,包括以下步骤:S1、获取光伏发电的数据,并进行数据预处理;S2、采用K‑means聚类算法将光伏发电白天数据根据天气模式分为晴天和非晴天,计算不同天气的平均功率;S3、构建调度策略;S4、采用改进粒子群优化PSO算法进行全局搜索和优化,找到最优的PEM调度策略;S5、记录每个PEM电解槽运行时间以及状态切换次数,并评估生成的PEM调度策略;本发明通过K‑means聚类算法将天气对光伏发电的影响与PEM电解槽分配调度相结合,设计最优耦合控制策略,多目标优化和运行时间管理,显著减少PEM电解槽的切换次数,降低设备磨损和维护成本,提高PEM电解水制氢的效率。
Resumen de: CN119032199A
A hydrocarbon feed stream is exposed to heat (pyrolysis) in the absence of oxygen to convert the hydrocarbon feed stream into a solid stream and a gaseous stream. The solid stream comprises carbon. The gas stream comprises hydrogen. The gas stream is separated into an off-gas stream and a first hydrogen stream. The first hydrogen stream comprises at least a portion of the hydrogen in the gas stream. The carbon is separated from the solids stream to produce a carbon stream. The water stream is electrolyzed to produce an oxygen stream and a second hydrogen stream. At least a portion of the oxygen in the oxygen stream and at least a portion of the carbon in the carbon stream are combined to produce electrical energy and a carbon dioxide stream. At least a portion of the generated electrical energy is used to electrolyze the water stream.
Resumen de: CN119156365A
A process for manufacturing methanol having a deuterium content of less than 90 ppm based on the total hydrogen content, the process comprising the steps of: (a) providing hydrogen having a deuterium content of less than 90 ppm based on the total hydrogen content by water electrolysis using power generated at least in part from non-fossil renewable resources; (b) providing carbon dioxide; (c) reacting hydrogen and carbon dioxide in the presence of a catalyst to form methanol.
Resumen de: CN119278297A
The invention relates to a gas-permeable electron-conducting plate for use as a porous transport layer for an electrolytic cell and to a method for producing said gas-permeable electron-conducting plate, to a building unit for an electrolytic cell, and to an electrolytic cell.
Resumen de: JP2025090210A
【課題】より省電力で、水素を製造できる水素製造装置を提供すること。【解決手段】水素製造装置1は、アンモニアを貯留するアンモニアタンク2と、アンモニアタンク2から供給されるアンモニアを、窒素および水素に分解するプラズマリアクタ3と、プラズマリアクタ3から供給される、未分解のアンモニア、窒素および水素の混合物から、未分解のアンモニアおよび窒素と水素とを分離する第1分離膜5と、第1分離膜5により分離された未分解のアンモニアおよび窒素の混合物から、未分解のアンモニアおよび窒素を分離する第2分離膜6と、第2分離膜6により分離された未分解のアンモニアを、プラズマリアクタ3に供給するためのアンモニア戻りライン14とを備える。【選択図】図1
Resumen de: EP4570949A1
A hydrogen gas generation system comprises a reactor chamber, an elongate cathode, an ammonia inlet, a hydrogen gas outlet, and a collection outlet. The reactor chamber has an input end and an output end. A wall of the reactor chamber between the input end and the output end is an anode. The elongate cathode extends between the input end and the output end through an interior of the reactor chamber. The ammonia inlet is positioned to introduce a liquid ammonia into the reactor chamber such that the liquid ammonia flows in a direction from the input end to the output end. The hydrogen gas outlet at the output end, wherein a hydrogen gas generated in the reactor chamber exits the reactor chamber through the hydrogen gas outlet. The collection outlet is at the output end. Nitrogenous compounds exit the reactor chamber through the collection outlet.
Resumen de: CN120158768A
本发明提供了一种Cdot@Ni2P复合电催化产氢材料及其制备方法。本发明首先将碳量子点与氯化镍充分复合,随后通过次磷酸钠与复合物焙烧得到Cdot@Ni2P复合电催化产氢材料。本发明相比现有技术最大的特点在于:应用于电催化产氢领域的新型催化剂,制备工艺简单、高效,制得的Cdot@Ni2P复合电催化产氢材料性能良好、晶体结构完善,且具有较高的催化产氢性能和优异的循环使用性能,易回收再利用。
Resumen de: CN120158762A
本发明涉及电化学能源转化领域,公开一种负载钌团簇的氮掺杂碳基复合催化材料及其制备方法和应用。包括步骤:步骤1,以吡咯和对甲苯磺酸钠的混合水溶液为电解液,导电碳基底材料为工作电极,采用恒电位沉积方法在聚吡咯负载于导电基底碳材料上,得含氮碳材料;步骤2,将所述含氮碳材料浸渍于钌前驱体溶液,取出干燥后煅烧,再经酸洗、干燥得到所述负载钌团簇的氮掺杂碳基复合催化材料。本发明的负载钌团簇的氮掺杂碳基复合催化材料具有突起状波浪形貌,钌团簇锚定于材料表面等优点,展现出优异的电催化析氧反应性能,可作为质子交换膜电解水的析氧阳极材料。
Resumen de: AU2023376448A1
Provided is a positive electrode for electrolysis, which is unlikely to deteriorate in electrolysis performance even in cases where a power with large output fluctuation such as renewable energy is used as a power source, and in which excellent catalytic activity is maintained for a long period of time. A positive electrode 10 for electrolysis comprises: a conductive substrate 2 at least a surface of which is made of nickel or a nickel-based alloy; and a first layer 4 which is formed on the surface of the conductive substrate 2 and can function as a catalyst layer composed of a lithium-containing nickel cobalt oxide represented by a composition formula of Li
Resumen de: KR20250087871A
본 발명은 광전기화학 수전해 반응 시 희생제를 쓰지 않고도 높은 효율로 수소를 생산하는 넓은 광흡수 영역을 가지는 친환경 광전기화학 수전해 촉매 및 이의 제조방법에 관한 것이다.
Resumen de: CN119907871A
An electrolytic cell (1) for producing hydrogen, comprising a stack of bipolar electrodes (9) that sandwich an ion transport membrane (2) between every two of the bipolar electrodes. Each bipolar electrode comprises two metal plates (9A, 9B) welded together back to back, forming a coolant compartment between them and having a respective anode surface and an opposite cathode surface, each metal plate abutting one of the membranes. The plates (9A, 9B) are embossed with primary vertical channels (10A, 10B) and secondary channels (11A, 11B) in a herringbone pattern for conveying oxygen and hydrogen. Embossed herringbone patterns are provided on both sides of the metal plates (9A, 9B) so as to also provide herringbone-pattern coolant channels (11B) within the coolant compartments.
Resumen de: US2025186304A1
A hydrogen generation device includes a tubular tank and a top lid combined with the tank. An immersion tube in which a hydrogen generating agent package is stuffed is placed in the tank. The hydrogen generating agent package is submerged in water after water is poured in the tank to generate hydrogen, which is released through a tank opening of the tank. The hydrogen generating agent package accommodates hydrogen generating agent powders including calcium oxide and aluminum powders, both of which are mixed and wrapped with a nonwoven fabric, as well as a little catalytic sodium carbonate added inside. For inhibition of free radicals and promotion of metabolism, the hydrogen generation device is further provided with a connector and a hose for a skin-care instrument, a nasal mask, an eye shield or an ear cleaner through which hydrogen is supplied as required.
Nº publicación: CN120158779A 17/06/2025
Solicitante:
山东大学
Resumen de: CN120158779A
本发明提供一种具有优良成膜性的交联型苯并噁嗪水电解用质子交换膜及其制备方法与应用。本发明质子交换膜的制备方法包括步骤:苯并噁嗪齐聚物溶于溶剂中,加入异氰酸酯类化合物,混合均匀,成膜得到交联型苯并噁嗪水电解用质子交换膜。本发明质子交换膜具有良好的成膜性、韧性和机械强度,质子导电率高,成本低;应用于质子交换膜水电解表现出优异的性能,具有巨大的应用前景。