Resumen de: CN121405145A
本发明公开一种ZnxNi1‑xCo2O4异质结催化剂的制备方法,属于电催化材料制备技术领域。该方法包括以下步骤:(1)配制前驱体溶液:称取镍盐、钴盐和锌盐,搅拌溶解于去离子水中,配制成金属盐混合溶液;(2)共沉淀反应:向金属盐混合溶液中滴加碱液,调节溶液pH值至碱性,并持续搅拌反应;反应完成后静置,然后离心分离并用去离子水洗涤至中性,得到中间产物;(3)煅烧成型:将中间产物在烘箱内干燥,然后置于空气氛围中升温煅烧,煅烧完成后再进行研磨,得到粉末状ZnxNi1‑xCo2O4催化剂。本发明所制得ZnxNi1‑xCo2O4异质结催化剂成本低,而且其活性和稳定性等明显优于市面现有催化剂。
Resumen de: CN121407143A
本发明涉及析氢催化剂技术领域,尤其涉及一种界面强耦合的钌基碱性析氢催化剂及其制备方法。制备方法包括以下步骤:将酸洗后干燥的二氧化钛、钌盐和还原剂混合后干燥,得到前驱体;将前驱体在氨气氛围下煅烧,得到催化剂。这种催化剂包括TiO2载体和Ru活性成分,所述TiO2载体和Ru活性成分之间具有强耦合界面Ru‑N‑Ti结构。本发明通过在Ru与TiO2界面构建强耦合界面Ru‑N‑Ti结构,不仅实现了电子从Ti向Ru的再分布,增强了Ti的路易斯酸性,促进了H2O的吸附和H‑OH键的断裂,实现了快速的水解离、质子的充足供应;同时Ru实现富电子态,优化了Ru的氢吸附能;从强水解能力、弱氢吸附能两个方面共同提升碱性析氢催化性能。
Resumen de: CN121407141A
本发明提供了一种碱性电解槽析氢电极及其制备方法,涉及析氢材料制备技术领域。一种碱性电解槽析氢电极的梯度电镀的方法,包括以下步骤:采用两电极电镀法,以镍基金属载体作为阴极,将阴极置于电镀液中,于3.0~4V进行第一次电镀;再于5.0~7.5V进行第二次电镀后于8.0~12V进行第三次电镀得到析氢电极;通过分阶段施加递增电压,诱导不同电位窗口下金属离子的选择性还原,实现从内到外由“富镍结合层”向“Ni‑Fe‑Mo过渡层”再至“富钼催化层”的梯度演化,增强了镀层与基底的相容性与界面结合强度,同时在外层富集高活性Mo组分,在保证长期稳定性的同时显著降低析氢过电位,为碱性电解水制氢电极提供解决方案。
Resumen de: CN121407125A
本公开涉及一种负载型含铱催化剂及其制备方法和应用,该方法包括:将铱源、二氧化钛载体、醇原料和还原剂接触,并在加热的条件下进行反应;所述还原剂包括抗坏血酸和碳原子数为1‑6的羧酸中的一种或几种;所述醇原料包括碳原子数为1‑6的饱和醇中的一种或几种。本公开的制备方法无需焙烧,同时避免使用硼氢化钠等还原剂,并且将其用作质子交换膜电解水制氢的阳极催化剂时,具有催化活性高的优点。
Resumen de: CN121407118A
本发明公开了一种电极支撑件、极板组件、电解槽,属于电解设备技术领域,旨在解决现有电极支撑结构回弹性差、无法维持零极距导致能耗高的问题。本发明支撑件最小单元横截面为椭圆形,椭圆形截面具有各向异性力学特性,沿其短轴方向受压时能够发生均匀可控的弹性变形,且在卸载后可实现完全弹性恢复,多个螺旋条通过肋带焊接连接形成网状支撑件,并可裁剪适配电极形状。本发明支撑件能够在电解槽运行中始终维持电极间的零极距,显著降低电解能耗,同时具备优异的抗疲劳特性,支持多次复用,有效延长了电解槽使用寿命并降低了维护成本。
Resumen de: CN121407129A
本发明属于但不限于无机材料合成技术领域,公开了一种四氧化三钴负载纳米级无定形氧化铱电解水催化材料及其制备方法;配置CoCl2·6H2O、IrOx·xH2O、NaNO3混合溶液;对混合溶液进行超声处理,磁力搅拌;在烘箱特定温度干燥,得到固体粉末;此固体粉末在空气氛围下进行煅烧处理,自然冷却至室温,高温下CoCl2·6H2O和IrOx·xH2O与NaNO3发生反应并生成负载纳米级催化活性组分;通过离心收集所得产物,并用超纯水和乙醇多次洗涤,干燥后得到纳米级负载的IrOx/Co3O4催化剂。本发明制备的催化材料既降低了Ir的负载量,又提高了IrOx电解水析氧反应的催化性能和稳定性。
Resumen de: CN121407139A
本发明公开了一种四元非贵金属基碱性电解水析氢反应电催化剂及其制备方法,所述电催化剂为具有核壳结构的电催化剂,其化学式为Cu(OH)2/NiMoW。本发明制备方法是将泡沫铜阳极氧化为氢氧化铜(Cu(OH)2)纳米线,再将Cu(OH)2纳米线上浸入含有Ni、Mo、W三种元素的金属盐溶液进行电沉积而制得。本发明解决了工业级电流密度下电解水过程中过电位较大、稳定性差的问题,同时该设计提高了催化剂的结构稳定性。该材料兼具低成本及高碱性析氢活性,有望应用于工业化安培级电流密度下电解水制氢,具有较高的应用价值。同时制备方法简单、易操作,为大规模电解水制氢提供了技术可行性。
Resumen de: CN121407151A
本发明涉及水电解制氢系统排污技术领域,具体公开了一种水电解制氢系统用排污控制系统,包括氧气分离器、氢气分离器组、第一冷却器、第二冷却器、若干个控制阀、传感组件以及控制单元,氢气分离器组为氢气分离器、第一气液分离器、第二气液分离器、第一干燥气液分离器和第二干燥气液分离器,氢气分离器通过管道与氧气分离器连接,第一冷却器通过第一冷却管道与氧气分离器连接,第一冷却器通过管道连接有第三气液分离器,第三气液分离器连接有第一排污管道,第二冷却器通过第二冷却管道与氢气分离器连接。本发明的控制单元的联锁设定以及控制方法,确保了共用同一排污管道出口排污的多个分离器能够在同一时间段内只对一个分离器进行排污。
Resumen de: CN121401708A
本公开涉及一种海上制氢设备的技术领域,尤其涉及一种海上漂浮平台的气液分离装置,包括两个分离组件,两个分离组件相连通;每个分离组件均包括第一立式分离器和第二立式分离器,第二立式分离器的顶部通过法兰连接于第一立式分离器的底部;法兰的直径尺寸小于第一立式分离器以及第二立式分离器的直径尺寸;保证在无规则剧烈晃动时第一立式分离器的碱液中气体难以进入第二立式分离器,第二立式分离器的气体可进入第一立式分离器第一立式分离器液面不稳时难以影响第二立式分离器的碱液。缓冲结构设置于第一立式分离器,以减小第一立式分离器中碱液的扰动;和/或设置于第二立式分离器,用于减小第二立式分离器中碱液的扰动,提高安全性和稳定性。
Resumen de: CN121407150A
本发明公开一种纳米Mg(OH)2‑PPS织物复合隔膜的制备方法,将PPS织物中引入自由基,再经酸处理,在隔膜界面引入含氧亲水官能团,得到亲水的PPS织物隔膜。随后,利用原位生长法,使Mg(OH)2生长在亲水型PPS织物隔膜的纤维表面,赋予复合膜高气密性、低膜阻,以及提高隔膜的耐碱性和电解稳定性。本发明制备的复合膜表现出超亲水性,水滴可在1s内完全被吸收,在实际电解生产中进行500h的测试后,复合隔膜的各项性能保持稳定,表现出优异的长期稳定性和电解性能。
Resumen de: CN121407153A
本发明公开了基于氢气纯度与析氢过电位的协同优化制氢系统及方法。基于氢气纯度与析氢过电位的协同优化制氢系统,包括:电解槽、氢气纯度检测装置、电源、电参数检测装置、第一辅助参数检测装置和第二辅助参数检测装置。基于氢气纯度与析氢过电位的协同优化制氢方法,实时采集数据并通过精准计算,实时掌握析氢过电位的大小和变化趋势,以便实时协同优化调整。本方案通过实时检测氢气纯度,实时计算析氢过电位,协同优化调整电源的参数,就能满足工业级、车载级、电子级不同场景的纯度要求,让整个制氢系统的成本降低;当纯度或过电位出现异常时,电源能快速做出调整,而且能减少电极的腐蚀损耗,让电极的使用寿命延长,每年的维护成本降低。
Resumen de: WO2025005555A1
Disclosed are an ammonia partial oxidation-based hydrogen extraction catalyst, a manufacturing method therefor, and a hydrogen extraction method using the catalyst. The ammonia partial oxidation-based hydrogen extraction catalyst comprises: a support; and ruthenium (Ru) loaded on the support. The hydrogen extraction method using the catalyst allows the temperature inside a reactor to be maintained at a high temperature without an external heat source and has a long reaction time, thereby solving the existing problem of thermal efficiency reduction and enabling a high ammonia conversion rate to be obtained.
Resumen de: CN121401628A
本发明公开了一种紧凑空间电解水制氢系统的多维安全防护集成布局方法,属于氢能安全技术与危险环境设备布局技术领域;本发明制氢系统集成于集装箱撬体内,所述集装箱撬体内的安全防护布局包括:氢气探测子系统、火焰探测子系统及气体灭火子系统;所述氢气探测子系统的氢气探测器布设位置为制氢模块设备正上方、管道阀门组上方及集装箱内最高点;所述火焰探测子系统的火焰探测器布设位置为探测视角覆盖设备区并形成重叠监视区;所述气体灭火子系统灭火喷嘴的灭火剂覆盖范围与所述氢气探测器和火焰探测器的监测区域在空间上相关联并被其覆盖,本发明实现了安全防护的立体化、无盲区和系统化目的。
Resumen de: US20260028739A1
An electrolysis system includes an electrolyzer stack, a water source, and a cathode-side purging system. The electrolyzer stack has an anode side and a cathode side. The water source is fluidically coupled to an inlet of the anode side of the electrolyzer stack. The cathode-side purging system is fluidically coupled to a first and second outlet of the cathode side.
Resumen de: CN121404060A
The invention provides an energy storage management system, method and equipment based on a mining electric truck and a medium, and relates to the technical field of energy storage management. Environmental data and current use electric energy data of a mining area are acquired through an energy management device; determining output electric energy data of the distributed photovoltaic device based on the environment data; based on the output electric energy data and the currently used electric energy data, determining charging and discharging electric energy data of the energy storage module by adopting a charging and discharging strategy corresponding to the energy storage module; determining conversion electric energy data of a conversion module based on the output electric energy data, the current use electric energy data and the charging and discharging electric energy data; and the control conversion module converts the converted electric energy data into hydrogen energy data to reduce the dependence on additional energy storage equipment, so that the construction and operation cost of the whole energy storage system is reduced.
Resumen de: CN121407115A
本发明属于质子交换膜电解水制氢领域,为了解决现有技术中多孔传输层存在的气液传质性能和机械性能不能兼顾问题,减少电解槽制造装配工艺,降低制造成本,平衡质子交换膜电解槽多孔传输层的传质和机械性能,公开了一种质子交换膜电解槽中的对称双斜孔多孔传输层。该多孔传输层在电极板流道对应位置均匀设置多个一定倾斜角度的贯通孔;所述贯通孔第一端与电极板流道连通,第二端与催化层连通,相邻的两个所述的贯穿孔对称倾斜设置,在第二端形成重合部分。该结构能够在保证气液传输性能不降低的情况下,提升多孔传输层的机械性能,结构简单、生产成本低,可以显著提升质子交换膜电解槽长周期运行的安全性,具有良好的市场前景。
Resumen de: CN121402103A
本发明公开了一种基于CdS/Co9S8既可分解水产氢又可氧化苯甲醇制备苯甲醛的可见光催化剂的制备方法,所述制备方法首先制备得到Co9S8,再通过加入Cd源和S源,进一步转化为CdS/Co9S8,本发明所制备的CdS/Co9S8催化剂可以高效地在可见光下催化水分解产氢和氧化苯甲醇制备苯甲醛,且制备方法简单,成本低,适用大面积推广应用。
Resumen de: CN121407132A
本发明提供一种低铂催化剂和制备方法及其在电解水产氢的应用。将一定比例的三聚氰胺和三聚氰酸分散在无水乙醇中,加入过渡金属前驱体溶液继续搅拌,升温继续反应并清洗过滤、干燥、研磨得到第一固体粉末;将第一固体粉末置于惰性气体下进行碳化处理,得到第二固体粉末;将第二固体粉末分散在溶解有贵金属前驱体的去离子水中,搅拌进行反应并清洗过滤、干燥后得到低铂催化剂。催化剂中Pt的含量为0.1‑10wt%。本发明制备的低铂催化剂具有优异的析氢性能,可有效地降低贵金属的使用量,提高贵金属的利用效率;该制备方法制备程序简单、成本较低,可实现批量制备,具有优异的市场价值和经济价值。
Resumen de: US2023287587A1
The present application relates to water electrolyzers, including water electrolyzers incorporating anion exchange membranes. The present applications also relates to materials incorporated into water electrolyzers and approaches for manufacturing water electrolyzers, as well as methods of using water electrolyzers.
Resumen de: CN121408826A
The invention discloses a control method of a hydrogen peroxide device, a control device of the hydrogen peroxide device, the hydrogen peroxide device and ceiling equipment. The method comprises the following steps that refrigeration sheet specification information and working condition information of the hydrogen peroxide device are obtained, the refrigeration sheet specification information at least comprises refrigeration sheet rated voltage and refrigeration sheet rated current, and the working condition information at least comprises electrolytic current; according to the specification information and the working condition information of the refrigeration sheet, the target working state of the refrigeration sheet is determined, and the target working state at least comprises target working voltage and target working current; based on the target working state, a control strategy set is generated, and the control strategy set is at least used for adjusting the working voltage of the refrigeration sheet to the target working voltage and adjusting the working current of the refrigeration sheet to the target working current. The technical problems of electrolyte loss and safety risk caused by the fact that water flows out of a hydrogen peroxide device due to the fact that the condensate water amount is too large in the prior art are solved.
Resumen de: CN121408825A
The invention discloses a control method of a hydrogen peroxide device, a control device of the hydrogen peroxide device, the hydrogen peroxide device and ceiling equipment. The method comprises the following steps that refrigeration sheet specification information and working condition information of the hydrogen peroxide device are obtained, the refrigeration sheet specification information at least comprises refrigeration sheet rated voltage and refrigeration sheet rated current, and the working condition information at least comprises environment humidity; according to the specification information and the working condition information of the refrigeration sheet, the target working state of the refrigeration sheet is determined, and the target working state at least comprises target working voltage and target working current; based on the target working state, a control strategy set is generated, and the control strategy set is at least used for adjusting the working voltage of the refrigeration sheet to the target working voltage and adjusting the working current of the refrigeration sheet to the target working current. The technical problems of electrolyte loss and safety risk caused by the fact that water flows out of a hydrogen peroxide device due to the fact that the condensate water amount is too large in the prior art are solved.
Resumen de: CN121407127A
本发明属于电极材料技术领域,具体涉及一种碳纳米管复合镍黄铁矿电极材料及其制备方法和应用。本发明提供了一种碳纳米管复合镍黄铁矿电极材料的制备方法,包括以下步骤:将可溶性铁盐、镍盐,硫脲,N,N‑二甲基甲酰胺(DMF)和乙二醇(EG)混合,得到混合溶液,再加入碳纳米管均匀分散;将所得混合物进行水热反应,得到所述碳纳米管复合镍黄铁矿电极材料。按照本发明提供的制备方法制备得到的碳纳米管复合镍黄铁矿电极材料,具有较大的比表面积和较高电导率,能够提供更多的活性位点,利于活性材料与电解液的充分接触,便于电子和离子的快速转移,从而提升了电催化剂的析氧性能。本发明提供的制备方法较为简单,适于大规模量产。
Resumen de: CN121407101A
本发明公开一种基于氟掺杂的三金属NiFeMn‑MOF催化剂及其制备方法与应用。本发明将镍源、铁源、锰源、有机配体和碱溶于去离子水中,搅拌混合均匀,得到混合溶液;所述镍源中镍离子:铁源中铁离子:锰源中锰离子的摩尔比为(1~3):(5~6):(1~4);将泡沫镍置于混合溶液后,水热反应,得到三金属NiFeMn‑MOF催化剂;将三金属NiFeMn‑MOF催化剂和氟源分别放于惰性气体流的下游和上游,烧制处理,得到基于氟掺杂的三金属NiFeMn‑MOF催化剂;所述氟源和三金属NiFeMn‑MOF催化剂的质量比为(300~400):40。本发明制备的催化剂用于电催化析氧,具有高效的催化活性和良好的稳定性。
Resumen de: CN121407100A
The invention discloses preparation of a low-load palladium-based electrode and application of the low-load palladium-based electrode in hydrogen production through electrooxidation of formaldehyde wastewater, and relates to the technical field of formaldehyde wastewater purification and clean energy. The palladium-based electrode is composed of a metal foam substrate and a palladium active component loaded on the substrate. According to the invention, the palladium-based electrode is prepared under mild conditions by adopting a one-step atom self-replacement method, and accurate regulation and control of the palladium loading capacity are realized by regulating and controlling the components and proportion of the palladium-based composite solution. When the electrode is used for electrochemical oxidation treatment of formaldehyde-containing wastewater, in a mixed electrolyte of 0.5 M of HCHO and 1.0 M of KOH, the optimal current density can reach the industrial-grade current density of 1400 mA cm <-2 >, and the electrode shows outstanding catalytic activity. The problem of palladium particle agglomeration is effectively solved, controllable design of the electrode palladium loading capacity is achieved, and the method has wide practical application prospects in the fields of formaldehyde wastewater purification and clean energy production.
Nº publicación: CN121402108A 27/01/2026
Solicitante:
太原理工大学
Resumen de: CN121402108A
本发明属于纳米材料技术领域,具体涉及一种Ru/TiO2@Ti2C复合材料的制备及其作为原位构筑富氢环境光催化剂的应用,以TiO2、RuCl3为原料,在还原剂作用下经化学还原法将Ru定向沉积于TiO2上,制备获得Ru/TiO2纳米材料;其次在室温条件下对Ti2AlC进行刻蚀,得到Ti2C粉末;最后将Ru/TiO2纳米材料与Ti2C粉末在氩气氛围下进行球磨制得Ru/TiO2@Ti2C复合材料。本发明所储存的氢来自水,且以固体储氢的形式储存,避免了光催化产生的氢气在后续储运环节中的高能耗问题,减少了气态氢这一中间环节,更为重要的是利用氢溢流效应来构建富氢环境,并且将H*直接转移到储氢材料的表面。