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Última actualización
12/07/2025 [07:08:00]
Resultados 475 a 500 de 901
Resumen de: CN120060895A
本发明公开了一种金属磷化物‑三维多孔石墨烯复合电催化材料及其制备方法与应用，属于复合材料技术领域，方法包括：(1)利用激光对苯并噁嗪前驱体进行辐照，苯并噁嗪前驱体为苯并噁嗪单体或苯并噁嗪单体交联固化形成的固化物，辐照后得到三维多孔石墨烯骨架结构；(2)将三维多孔石墨烯骨架结构作为工作电极，以石墨碳为对电极，Hg/HgO为参比电极，在组分包括金属盐和次磷酸盐的电解液中进行电沉积，得到金属磷化物‑三维多孔石墨烯复合电催化材料；该方法工艺简单，制得的复合电催化材料中金属磷化物在具有三维多孔网络结构的石墨烯孔壁表面均匀负载，且暴露出多孔结构，具备优异的导电性能，在电催化领域展现出极高的应用潜力。
Resumen de: CN120060917A
本发明公开一种用于全pH电解水的阴极析氢催化剂及其制备和应用，属于电解水制氢技术领域。先通过水热反应在泡沫铜衬底上沉积纳米WO3，再将其浸入金属源溶液中负载金属物种，进而在H2气氛中热处理实现金属活性位点的还原和WO3基底的氢化，形成质子阻断型金属Ru/Pt/Ir NPs负载在富晶格氢的非质子阻断型金属氧化物HxWO3载体上的复合结构催化剂，富晶格氢的载体可充当“氢库”，持续向高活性的界面金属活性位点提供质子，进而通过Tafel过程实现优异的HER性能，减少反应对电解液酸碱环境的依赖；载体形貌为纳米针状时，复合催化剂Ru‑HxWO3NN在全pH电解水的HER中展现出工业级电流密度下的低过电位与高稳定性。
Resumen de: CN120054589A
本发明公开了一种负载Mn纳米颗粒的氮化石墨氮化碳双功能光催化剂及其制备方法与应用，属于催化剂制备技术领域。本发明通过光沉积与退火成功在g‑C3N5上负载Mn纳米颗粒，得到了一种双功能催化剂。Mn作为额外的氧化反应活性位点的负载可有效防止光生电子‑空穴的复合，可以极大促进氧化反应的进行，促进氧化反应和还原反应之间的动态平衡，进而进一步带动还原反应效率，从而导致光催化活性大大提高。将本发明的光催化剂应用于以水和糠醇为反应底物的光催化反应，可在不另外加入牺牲试剂的条件下使得光催化还原产氢的性能提升，同时，可以使加入的糠醇氧化成具有更高利用价值的糠醛，实现氧化还原双功能同时达成的目标。
Resumen de: CN120060880A
本发明公开的流场碱性水电解槽极框，包括圆环形本体，本体沿其周向均匀交错设置有若干有氢液气道孔和氧液气道孔，每个氢液气道孔均对应连接有氢液气道槽，氢液气道槽开设于本体的表面，每个氧液气道孔均对应连接有氧液气道槽，氧液气道槽开设于本体的表面，本体还开设有电极液通道组件，本体的外边缘沿其周向连接有密封水线。本发明设计相互交错的氢液气道孔、氧液气道孔、氢液气道槽、氧液气道槽，相互交错电解液阴极液道孔、电解液阳极液道孔、电解液阴极液道槽、电解液阳极液道槽和电解液进液孔道等通道，赋予电解槽内部更优地气液两相流场均布，电解小室内上升的气泡快速排出，消除电解小室气体死区，降低了电解液电阻。
Resumen de: CN120060888A
本发明涉及OER催化剂技术领域，具体涉及一种铱钌基多孔氧化物催化剂及其制备方法和应用。铱钌基多孔氧化物催化剂的制备方法，包括：将铱源、钌源、低电负性金属前驱体盐、造孔剂、表面活性剂和溶剂混合均匀，得到前驱体溶液；将前驱体溶液进行热处理以去除溶剂，研磨，得到前驱体粉末；将前驱体粉末在空气氛围下煅烧，得到低电负性金属掺杂的铱钌基多孔氧化物催化剂。本发明通过低电负性元素掺杂制备低电负性元素掺杂的铱钌基多孔氧化物催化剂，不仅能够极大地提升催化剂的稳定性，还能够优化活性中心电子结构，抑制钌的过度氧化析出，解决了铱氧化物需要很高的过电位来驱动OER以及钌极易被氧化溶解，容易影响催化剂的长期稳定性的问题。
Resumen de: CN120054508A
本发明公开一种CoAs3催化剂及其制备方法和应用，该方法首先将Co粉和As粉混合后，进行研磨处理；然后在惰性气氛保护下，将研磨处理后的混合物进行热处理，制得所述CoAs3催化剂；所述热处理过程中温度为750~850°C，时间为40~60h。本发明提供的CoAs3催化剂制备方法简单、易于操作、成本低廉，有效解决现有技术中拓扑半金属光催化产氢性能较差的技术问题。
Resumen de: CN120060900A
本发明涉及催化剂的技术领域，公开了一种铈基金属有机框架光电催化剂的制备方法及应用，包括如下步骤：（1）将四价铈盐和有机配体分散于有机溶剂中，加入结晶调节剂并进行加热反应；反应后洗涤干燥，得到Ce(IV)‑MOF材料；（2）将Ce(IV)‑MOF材料真空活化后分散于交换溶剂中，加入镍盐并进行Ni功能化反应，镍盐为乙酸镍、硝酸镍、硫酸镍、氯化镍或溴化镍；反应后洗涤干燥，得到Ce(IV)‑MOF‑Ni材料。本发明成功制备出晶型结构良好的Ce(IV)‑MOF材料，同时制备的Ni功能化的Ce(IV)‑MOF‑Ni材料具有优异的光电催化水分解制氢效率和稳定性。
Resumen de: CN120054190A
本发明公开了一种能够连续生产碘化氢溶液的系统和方法，该系统包括分离池、吸收塔和循环泵等；该方法包括：将引风机后烟道的烟气引入洗涤装置，经洗涤后的烟气进入到吸收塔，烟气中的二氧化硫与从循环泵来的碘溶液发生反应，二氧化硫被消耗，产生碘化氢溶液和硫酸溶液；从吸收塔出来的经过脱除二氧化硫的烟气进入拦碘装置，拦碘塔内的溶液吸收从吸收塔逃逸出来的碘后的烟气进入烟气排放装置；进入到蒸馏段的溶液经精馏段、提馏段后获得纯的高浓度碘化氢溶液，碘化氢溶液在碘化氢分解装置中部分分解，产生氢气；从分离装置排入到蒸馏段的混合液，在提取了部分碘化氢后，剩余液体进入到了塔釜中，由塔釜排出泵将其排入分离池中。
Resumen de: WO2025109126A1
Water electrolyser stack having a range of half-cell frames which each circumscribes one of an anolytic or a catholytic process chamber and which half-cell frames are arranged and aligned in an array between a proximal electric current injector/collector plate and a distal electric current injector/collector plate, and where each half-cell frame comprises an embedded furrow flow channel adapted to serve an electrolyte flow from a stack internal inflow manifold channel to a corresponding anolytic or catholytic reaction chamber and an embedded furrow flow channel adapted to serve an electrolyte and gas outflow from a corresponding anolytic or catholytic reaction chamber to a corresponding stack internal manifold channel wherein each of the embedded furrow flow channels comprise at least one fluid and/or gas trap section.
Resumen de: WO2025110878A1
An electrolyzer for generating hydrogen from water comprising electrodes and an electrically non-conductive separator layer extending in a substantially vertical plane comprising macroscopic through holes, and wherein the electrodes themselves comprise an anode and a cathode, characterized in that the electrodes are each furnished at opposite faces of the separator, and that the electrodes each comprise a plurality fins and wherein each fin of the plurality of fins projects outwardly from the layer for restricting the upward movement of electrode generated bubbles to a bubble stream that is substantially parallel to the vertical plane.
Resumen de: WO2025109158A1
A process for the recycling of plastic waste containing at least one of polyethylene or polypropylene comprising the steps a) thermal pyrolysis in an inert atmosphere of the plastic waste to obtain a pyrolysis oil, b) optionally purifying the pyrolysis oil obtained in step a), c) fractionating the pyrolysis oil to obtain at least one fraction of lower boiling hydrocarbons that can be further processed in a cracker, in particular a steam cracker, to give hydrocarbons of lower molecular weight, and at least one fraction of high-boiling residues, d) incinerating high-boiling residues obtained in step c) with an oxygen containing gas, wherein a carbon dioxide containing flue gas stream is obtained, e) purifying the carbon dioxide containing flue gas stream obtained in step d), wherein a purified carbon dioxide containing gas stream is obtained, f) reduction of the carbon dioxide contained in the gas stream obtained in step e) to obtain a gas stream containing carbon monoxide, optionally carbon dioxide and optionally hydrogen, g) optionally admixing hydrogen, preferably produced by water electrolysis, to the gas stream obtained in step f), h) reacting a gas mixture containing carbon monoxide, hydrogen and optionally carbon dioxide obtained in step f) or g) to give methanol, i) manufacturing C2-C4-olefins by a methanol to olefin-process from methanol obtained in step h), j) polymerizing ethylene and/or propylene manufactured in step i) to give polyethylene and/or polypropylene, res
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: CN120060907A
本发明公开了一种非贵金属掺杂镍钼氮碳多元析氢催化剂的制备方法。包括以下步骤：1)配置镍盐和非贵金属(非贵金属为镓、锆、铬中的一种)盐的混合溶液，以及钼盐溶液两种溶液，并调节钼盐溶液pH值；2)将镍盐和非贵金属(镓或锆或铬)盐的混合溶液加入到钼盐溶液中，并搅拌、抽滤、冲洗、干燥得到非贵金属掺杂钼酸镍‑氢氧化镍固体中间物；3)将所得中间物置于气氛炉中，在含有氮、碳、氢的气氛下，进行高温热处理，发生还原、氮化、碳化和碳沉积反应，得到的催化剂具备类似贵金属Pt/C催化剂的析氢催化性能，且耐久性优秀，能显著降低电解水析氢反应过电位。再者，该多元析氢催化剂成本低、制备工序简单，适合大规模工业化生产。
Resumen de: CN120054523A
本发明属于电解水制氢技术领域，具体为一种用于阴离子交换膜水电解的NiRuM/C催化剂及其制备方法和应用。本发明采用两种途径制备NiRuM/C析氢催化剂，一是共沉淀法：先利用共沉淀在碳载体上包覆无定形镍盐，然后利用沉淀溶解平衡移动制备NiRuM/C催化剂；二是基团锚定法：将镍、钌等金属盐、盐酸多巴胺表面功能化的碳材料分散在极性溶剂中，通过配位相互作用和多巴胺分子的自聚反应制备NiRuM/C催化剂。本发明提供了碱性析氢性能胜于铂基材料的NiRuM/C材料的两种制备途径，并将其应用于阴离子交换膜电解水制氢，解决现有制备技术工艺复杂、价格昂贵、制氢效率低、耐久性差等问题。
Resumen de: CN120060881A
本发明公开了新型碱性水电解制氢装置，包括框架，框架上设置有碱液循环泵，碱液循环泵的出口连接有碱液冷却器，碱液冷却器分别连接有电解槽、冷却水管路I、冷却水管路II，电解槽分别连接有制氢单元、制氧单元。本发明装置解决了现有制氢装置运输单元多且运输安装效率低的问题。
Resumen de: CN120054510A
本发明提供了一种Co基非贵金属催化剂及其制备方法与应用，属于催化剂制备技术领域。该Co基非贵金属催化剂的制备方法包括以下步骤：将ZIF‑67、导电介质、钼源均匀分散于溶剂中，之后加热，得到浆料；将所述浆料涂覆于导电基体表面，之后通过碳热冲击法，得到所述Co基非贵金属催化剂。本发明提供的制备方法可在大气环境中制备，无需高压环境；使用快速碳热冲击方法，制备效率高，颗粒分散均匀。所得催化剂具有较好的催化活性，提高了催化氨硼烷的水解活性，并且具有较好的稳定性，可重复使用。
Resumen de: CN120060914A
本发明涉及催化技术领域，具体的说，涉及一种碳、氮掺杂钴镧氧化物的制备方法及其作为电催化剂在电催化析氧中的应用，本发明通过煅烧的方式对钴镧氧化物进行调控制备杂原子碳、氮掺杂的钴镧氧化物CoLaOx‑CN，通过碳和氮的掺杂改变材料的带隙、导电性和表面活性位点。氮掺杂提升了氧化物的电子密度，有助于增强电子导电性和催化活性。碳掺杂改善了材料的表面疏水性和稳定性，同时可能提供更多的活性位点。
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
