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Última actualización
06/07/2025 [07:03:00]
Resultados 400 a 425 de 977
Resumen de: CN120081346A
本申请涉及电催化剂催化能源转化领域，具体公开了一种富氧空位铬离子掺杂磷酸镍纳米花及其制备方法与应用。该制备方法包括以下步骤：S1、将六水合硝酸镍、九水合硝酸铬、尿素、酒石酸钠和聚乙二醇溶于水中，然后进行加热反应；S2、将步骤S1制得的铬离子掺杂氢氧化镍纳米花与次亚磷酸钠混合并均匀分散于水中，然后经过冷冻干燥和密封煅烧；S3、将步骤S2制得的铬离子掺杂磷酸镍纳米花在通入惰性放电气体的条件下进行等离子体反应，得到富氧空位铬离子掺杂磷酸镍纳米花。该富氧空位铬离子掺杂磷酸镍纳米花具有较高的导电性和表面活性，能够降低过电位，促进水分解反应的动力学过程，减少能量损耗，提升电解水制氢的效率。
Resumen de: AU2023359866A1
The invention relates to a plant network (100) comprising an electrolysis plant (1, 1A, IB), a power supply source (3) with a DC voltage output (7) and a central supply line (5), wherein the central supply line (5) is connected to the DC voltage output (7) of the power supply source (3), so that a direct current can be fed into the central supply line (5) and a central DC network designed for a high voltage is provided to which the electrolysis plant (1, 1A, IB) is connected via the central supply line (5). The power supply source (3) aass a power generator comprises a wind turbine (19) to which a rectifier (13A) with a DC voltage output (7) is connected, wherein the DC voltage output (7) is designed for the high voltage, and wherein a controllable energy storage system (17) is connected to the central supply line (5) which is designed in such a way, that a direct current can be fed into the central supply line (5) by means of the energy storage system (17) as required or can be discharged from the central supply line (5) and fed into the energy storage system (17). A DC supply network is implemented in the plant network (100) that enables application and control of three different DC voltage levels independently, with a first DC voltage provided as a storage battery voltage for charging and discharging an electrical storage battery of the energy storage system (17), with a second DC voltage provided as DC- Bus high voltage on the central supply line (5), and with a third DC
Resumen de: CN120079416A
本发明属于电池和电解水的电极催化剂技术领域，公开了一种ZnS/Co异质结复合氮硫掺杂碳材料及其制备方法与应用，将ZnS纳米球与ZIF‑67按质量比为1:1~1:30混合均匀，在600~1000℃煅烧即得。制得复合材料由均匀分散于氮硫掺杂碳基体中的硫化锌/钴纳米颗粒异质结构组成，其中，细小的硫化锌纳米颗粒包覆于大尺寸的钴纳米颗粒表面，形成核壳异质结构；所述硫化锌纳米颗粒的直径为2~5 nm，钴纳米颗粒有两种尺寸，大尺寸为20~100 nm，小尺寸为2~10 nm；氮硫掺杂碳为类十二面体结构，其直径为200~500 nm。将该复合材料用作液态可充电锌空气电池的正极催化剂时，充放电性能具有明显优势；用作AEM电解水阳极催化剂时，性能优于商业铂碳和二氧化钌，且稳定运行超过600小时。
Resumen de: CN120082923A
本发明涉及一种高性能的Ge、Zr‑Fe2O3光阳极及其制备方法和应用。通过在Fe2O3中引入Ge和Zr元素，采用水热法制备了具有优异光电化学性能的Ge，Zr‑Fe2O3光阳极薄膜。Ge掺杂提高了Fe2O3的导电性，Zr掺杂改善了其结晶性和抗腐蚀性，二者协同作用显著提高了Fe2O3在水分解反应中的光电化学效率及稳定性。所制备的Ge,Zr‑Fe2O3光阳极材料，适用于太阳能水分解光电化学反应，且制备成本低、环保，具有广泛的工业化应用前景。
Resumen de: KR20250077611A
본 발명은 암모니아가스를 질소와 수소로 전환하는 암모니아분해촉매, 및 상기 암모니아분해촉매에서 분해 생성된 수소를 산소와 촉매 반응시키는 수소산화촉매를 포함하되, 상기 암모니아분해촉매의 열원 중 적어도 일부는, 상기 수소산화촉매의 반응열을 포함하는 것을 특징으로 하는 수소생산시스템을 제공한다.
Resumen de: WO2024068332A1
A membrane adapted for alkaline water electrolysis is disclosed together with an alkaline water electrolysis device containing the membrane. A method for producing hydrogen, and a method for producing a membrane for alkaline water electrolysis are also disclosed.
Resumen de: KR20250077047A
본 발명은 수소 발생 반응용 촉매 및 이의 제조 방법에 관한 것으로서, 수소 발생 반응에 대한 촉매 활성이 높으며, 내구성이 우수한 수소 발생 반응용 촉매 및 이의 제조 방법을 제공한다.
Resumen de: KR20250077260A
본 발명은, 암모니아 기체를 상온 상압에서 액화시키는 방법; 상기 액체 암모니아와 촉매를 이용한 전기분해를 통해 고순도 수소를 생산하는 방법 및 수소 생산 장치에 관한 것이다.
Resumen de: KR20250077337A
본 발명은 신재생에너지 기반 수소 및 메탄올 생산 시스템 및 방법에 관한 것으로, 본 발명의 수소 및 메탄올 생산 시스템은 수소와 메탄올을 동시에 생산할 수 있고, 과잉 재생에너지를 제2 수전해장치를 이용하여 수소 및 산소 형태로 저장시킬 수 있다.
Resumen de: KR20250076918A
본 발명은 고체 산화물 수전해 장치용 전해질로서, 이트리아 안정화 지르코니아를 포함하고, 상기 이트리아 안정화 지르코니아에 포함된 이트리아의 함량은 8 mol% 초과, 10 mol% 미만인 고체 산화물 수전해 장치용 전해질에 관한 것이다.
Resumen de: KR20250076726A
본 발명은 온사이트형 수소 충전소에 관한 것으로, 보다 구체적으로 생산 설비의 효율을 극대화하여 생산 설비를 간소화하고 실시간으로 수소의 생산과 충전이 가능한 온사이트형 수소 충전소에 관한 것이다.
Resumen de: US2023178761A1
An apparatus can include a housing, a plurality of electrochemical devices disposed within the housing, and a heat exchanger disposed within the housing. The heat exchanger can be faced with an oxidant-containing gas outlet surface of at least one of the plurality of electrochemical devices. The electrochemical devices can include a stack of solid oxide fuel cells, a battery, or a solid oxide electrolyzer cell.
Resumen de: CN120054529A
本发明属于光催化材料技术领域，具体涉及一种负载助催化剂的Fe、Al共掺杂SrTiO3光催化剂及其制备方法和应用。本发明将六水氯化铁研磨加入到Al‑SrTiO3的前驱体中，通过改变Fe源的摩尔比得到不同摩尔比例的Al‑SrTiO3‑x％Fe，然后加入Rh前驱体溶液、Cr前驱体溶液和Co前驱体溶液，300W氙灯下照射，得到负载助催化剂的Fe、Al共掺杂SrTiO3光催化剂。该光催化剂可以应用于光催化全解水领域。相较于现有的光催化剂，本发明光催化剂可控性良好，有利于进一步提升载流子的分离效率，复合材料用于光催化全解水有较高的产氢量和较好的稳定性。本发明绿色环保，方法简单，操作方便，材料制备成本低廉，具有广阔的应用市场前景。
Resumen de: CN120060892A
本发明提供了一种基于NiCo‑MOF/Ti3C2Tx衍生多相界面复合物的制备方法，专门用于电催化析氢。通过将金属有机框架与Ti3C2Tx MXene复合，利用MOF的高比表面积和可调节的结构特性，结合MXene的优异导电性和层间结构优势，本发明的复合材料展现出显著的电化学性能提升。合成过程中，采用尿素调控石墨化程度与形貌，使得NiCo金属单质均匀分散在Ti3C2Tx MXene载体上，进而优化了材料的导电性和电荷转移能力。所制备的NiCo/TiO2‑GH复合材料在碱性介质中表现出优异的催化性能和良好的稳定性。这是由于MXene的引入不仅提供了稳定的载体，还改善了催化剂的导电性和层间离子扩散性，与MOF的功能化金属中心协同作用，显著提升了析氢效率和材料稳定性。本发明的MOF衍生策略为构建高性能电催化材料提供了全新的思路。
Resumen de: CN120060923A
本发明涉及一种碱性电解水制氢用固态电解质膜及其制备方法与应用，所述固态电解质膜包括阴离子交换膜和设置在阴离子交换膜两侧的涂层，形成“涂层‑阴离子交换膜‑涂层”的“三明治”复合结构，所述涂层包括热塑性树脂和亲水性无机纳米颗粒的混合物。其制备方法包括以下步骤：分别制备涂层浆料和阴离子交换膜浆料；在转印基底上涂布涂层浆料，烘干后得到转印基底/涂层；在转印基底上依次涂布涂层浆料和阴离子交换膜浆料，烘干后得到转印基底/涂层/阴离子交换膜；热转印。与现有技术相比，本发明能够有效防止阴离子交换膜的溶胀变形和破损，提高阴离子交换膜的机械性能和稳定性，同时解决了复合隔膜气密性受限的问题。
Resumen de: CN120059098A
本发明公开提供了一种含砜基的缺陷三元供受体有机聚合材料的制备方法及应用，该材料在光催化分解水制氢方面具有优异的性能。本发明以1,3,6,8‑四(4‑甲醛基苯基)芘、3,7‑二氨基二苯并B,D噻吩‑5,5‑二氧化物和三醛基间苯三酚为合成前体，通过席夫碱反应得到所述含砜基的缺陷三元供受体有机聚合材料。本发明所述的三元供受体结构以及位于缺陷处的双通道，构建了载流子的定向快速转移的通道，加速了电子空穴对的分离，提高了电子的迁移速率，降低了产氢反应的能垒，同时砜基增加了材料的亲水性。材料性质稳定不会产生二次污染，且能循环使用，表现出优异的光催化分解水产氢性能。
Resumen de: CN120054530A
本发明属于光催化材料技术领域，具体涉及一种负载助催化剂的Al掺杂SrTiO3/TiO2异质结全解水光催化剂及其制备方法和应用。本发明将二氧化钛加入到Al‑SrTiO3的水溶液中水浴加热，通过改变TiO2的摩尔比得到不同摩尔比例的Al‑SrTiO3‑x％TiO2，然后加入Rh前驱体溶液、Cr前驱体溶液和Co前驱体溶液，300W氙灯下照射，得到负载助催化剂的Al掺杂SrTiO3/TiO2异质结全解水光催化剂。其可以应用于光催化全解水领域。相较于现有的光催化剂，本发明负载助催化剂的Al掺杂SrTiO3/TiO2异质结全解水光催化剂可控性良好，有利于进一步提升载流子的分离效率，复合材料用于光催化全解水有较高的产氢量和较好的稳定性，且该方法操作简单、方便、低成本、条件温和、有利于大规模生产。
Resumen de: CN120060896A
本发明涉及电解水制氢技术领域，具体公开了一种铁钴双金属羟基氧化物及其制备方法与应用，所述铁钴双金属羟基氧化物的制备方法包括：将泡沫镍进行预处理后备用，得到待用泡沫镍；将九水合硝酸铁和六水合硝酸钴溶解在水中，进行第一搅拌直至完全溶解，得到第一混合溶液；将氟化铵加入到所述第一混合溶液中，进行第二搅拌直至完全溶解后，加入尿素进行第三搅拌，得到第二混合溶液；将所述第二混合溶液与所述待用泡沫镍混合，进行水热反应，得到铁钴双金属羟基氧化物。本发明制备过程简单便捷、效率高、反应条件温和，具有极高的可重复性，适于工业化生产和应用。
Resumen de: CN113666650A
The invention provides a method for preparing an auxiliary cementing material from extracted titanium slag, and the auxiliary cementing material. The method comprises the steps that the extracted titanium slag is washed with water till soluble chloride ions in the extracted titanium slag are completely dissolved out to obtain first filter residues and first filtrate, wherein the first filtrate mainly comprises calcium chloride and magnesium chloride; the first filter residues are dried and then ground to obtain powder with the first particle size; the powder with the first particle size is continuously washed with water to reduce the content of chloride ions in the powder to 2/10000 or below, and filtering is performed to obtain a second filter residue and a second filtrate; and the second filter residues are dried and mechanically activated to obtain second-particle-size powder, wherein the second-particle-size powder can be used as an auxiliary cementing material. The method has the advantages that chloride ions in the titanium extraction slag are removed through water leaching, secondary water leaching is carried out by means of the characteristic that filter residues obtained after water leaching do not absorb moisture, residual chloride ions are fully removed, the super-active superfine slag powder with the high activity reaching up to the S105 level or above is prepared, energy is saved, environment friendliness is achieved, and the added value of products is increased.
Resumen de: CN120060908A
本发明公开了一种OER核壳催化剂和制备方法及其电化学装置。该OER催化剂包括结晶/非晶的Pt@RuIrOx超细纳米线。本发明首先采用两步液相直接还原法制备表面富亲氧性Ru或Ir元素的PtRuIr超细纳米线，并结合原位氧化诱导非晶化的策略，经组分及反应条件的优化，成功制备出表面包含非晶活性壳层的c/a‑Pt@RuIrOx NWs，展现出优异的OER催化活性和稳定性。本发明OER催化剂组装的电化学装置，不仅突破了非晶氧化物材料在OER电催化中稳定性低的局限，而且为低维非晶纳米材料在电催化领域的实际应用开辟了新途径，展现了显著的先进性和创新性。
Resumen de: US2024044023A1
Zero-gap electrochemical cell architectures that employ molecular-level capillary and/or diffusion and/or osmotic effects to minimize the need for macroscopic external management of the electrochemical cell. Preferably, these effects intrinsically respond to the electrochemical cell conditions, making them self-regulating. In one example is disclosed an electro-synthetic or electro-energy cell, and method of operation, including a reservoir for containing a liquid electrolyte, a first gas diffusion electrode positioned outside of the reservoir, and a second electrode positioned outside of the reservoir. A porous capillary spacer is positioned between the first gas diffusion electrode and the second electrode, the porous capillary spacer having an end that extends into the reservoir. Preferably, the porous capillary spacer is able to fill itself with the liquid electrolyte when the end of the porous capillary spacer is in liquid contact with the liquid electrolyte in the reservoir.
Resumen de: US2024044023A1
Zero-gap electrochemical cell architectures that employ molecular-level capillary and/or diffusion and/or osmotic effects to minimize the need for macroscopic external management of the electrochemical cell. Preferably, these effects intrinsically respond to the electrochemical cell conditions, making them self-regulating. In one example is disclosed an electro-synthetic or electro-energy cell, and method of operation, including a reservoir for containing a liquid electrolyte, a first gas diffusion electrode positioned outside of the reservoir, and a second electrode positioned outside of the reservoir. A porous capillary spacer is positioned between the first gas diffusion electrode and the second electrode, the porous capillary spacer having an end that extends into the reservoir. Preferably, the porous capillary spacer is able to fill itself with the liquid electrolyte when the end of the porous capillary spacer is in liquid contact with the liquid electrolyte in the reservoir.
Resumen de: US2024044023A1
Zero-gap electrochemical cell architectures that employ molecular-level capillary and/or diffusion and/or osmotic effects to minimize the need for macroscopic external management of the electrochemical cell. Preferably, these effects intrinsically respond to the electrochemical cell conditions, making them self-regulating. In one example is disclosed an electro-synthetic or electro-energy cell, and method of operation, including a reservoir for containing a liquid electrolyte, a first gas diffusion electrode positioned outside of the reservoir, and a second electrode positioned outside of the reservoir. A porous capillary spacer is positioned between the first gas diffusion electrode and the second electrode, the porous capillary spacer having an end that extends into the reservoir. Preferably, the porous capillary spacer is able to fill itself with the liquid electrolyte when the end of the porous capillary spacer is in liquid contact with the liquid electrolyte in the reservoir.
Resumen de: US2025149602A1
A SOC stack system comprises one or more solid oxide cell stacks and multi-stream solid oxide cell stack heat exchanger(s).
Nº publicación: MA71635A 30/05/2025
Solicitante:
UNIV POLITECNICA DE MADRID [ES]
Universidad Polit\u00E9cnica De Madrid
Resumen de: CN119698389A
The invention relates to a method and a device for producing hydrogen by decomposing water molecules by thermochemical reaction using small amounts of active substances. The thermochemical reaction is initiated by solar energy having a medium concentration of up to 50 times sunlight, which may be effected by linear or parabolic concentrators.
BOPI
Sede Electrónica
