Alerta

一种Janus GaSSe/g-SiC异质结构设计及光催化分解水制氢性能的预测方法及系统

Resumen de: CN120015164A

本发明属于但不限于光催化分解水制氢技术领域，公开了一种Janus GaSSe/g‑SiC异质结构设计及光催化分解水制氢性能的预测方法及系统，采用体相GaSe建立本征GaSe单层结构模型，利用S原子取代一层Se原子，构建GaSSe单层结构模型；石墨相结构通过切面获得相应的石墨烯单层结构，利用Si原子替代C原子建立g‑SiC单层模型；GaSSe和g‑SiC堆积，并根据原子排列依次构建Janus GaSeS/g‑SiC异质结构模型。本发明的异质结构表现出良好的结构稳定性、高界面电荷转移效率、表面活性、更高太阳光利用率。同时，缓解了g‑SiC单层由于其宽带隙特性，使在光吸收方面的性能表现不佳的问题。

氢能量子技术应用水处理设备

Resumen de: CN120004399A

本发明公开了氢能量子技术应用水处理设备，主水箱和辅助水箱，主水箱和辅助水箱之间设有连通管道；所述的辅助水箱内设有加水腔体和金属氢储藏腔体，金属氢储藏腔体内设有电解槽，所述的连通管道包括氢气泡水管道和氧气泡水管道，所述的主水箱体设有进水管、出水管，主水箱内设有过滤装置，所述的过滤装置包括过滤网和过滤塞，所述的过滤网上设有过滤孔洞，所述的过滤塞上设有活性炭，本技术通过设置辅助水箱，在辅助水箱内添加制氢设备，先将主水箱内水源多级过滤区杂质，将过滤好的纯净水混合添加氢气泡或氧气泡，使水内附有大量氢气泡或氧气泡。

析氢反应电催化剂及其制备方法和应用

Resumen de: CN120006324A

本发明涉及析氢反应电催化剂领域，公开了析氢反应电催化剂及其制备方法和应用。所述方法包括：(1)在惰性气氛下，将金属有机框架材料进行焙烧，所述金属有机框架材料中的金属包括Co；(2)将焙烧产物与铂源接触。通过本发明的方法有利于Pt利用率的提升，可以有效地提高低Pt电解水催化剂活性，在10mA/cm2电流密度下，该催化剂的HER过电势不高于80mV。

一种电解制氢用石墨基电极的制备方法

Resumen de: CN120006343A

本发明公开了一种电解制氢用石墨基电极的制备方法，涉及电解制氢技术领域。本发明利用植酸钠作为磷源、β‑二甲基巯基丙酸内盐作为硫源、丝素蛋白作为碳源和氮源，通过三者良好的生物相容性，使得磷、硫、氮在基体中均匀分散，同时通过加入过渡金属盐，诱导碳原子定向排列，促使丝素蛋白基体实现石墨化，且过渡金属能够作为催化剂，增加基体的活性位点，而后通过微波等离子体处理，利用丝素蛋白极性基团的微波敏感性，并在惰性气体保护下，提高石墨基电极的制氢效率，再通过退火处理，提升石墨烯结晶度及其稳定性；最后负载电气石，协同基体中的石墨烯和过渡金属，增强电极制氢效果。

用于光催化水分解制氢的WSTe-MoSSe异质结构催化剂及其提高光催化效率的方法

Resumen de: CN120001394A

用于光催化水分解制氢的WSTe‑MoSSe异质结构催化剂及其制备方法;WSTe‑MoSSe异质结构催化剂为金属氧化物半导体MoSSe与宽带隙半导体WSTe的组合。该材料通过优化金属氧化物半导体(MoSSe)与宽带隙半导体(WSTe)的组合，克服了现有技术中的缺陷。WSTe/MoSSe异质结能够改善带隙匹配，提高光催化效率，减少电荷复合，增强反应稳定性，同时降低反应过电位，延长催化剂使用寿命。此技术不仅提高了析氢效率，还具备较低的成本和较高的稳定性，为大规模绿色氢能生产提供了可行的解决方案。

一种用于氨分解制氢的Ru基催化剂制备方法

Resumen de: CN120001367A

本发明公开了一种用于氨分解制氢的Ru基催化剂制备方法，属于催化剂技术领域，通过溶胶‑凝胶法分别制备得到了活性组分Ru和助剂金属的络合金属凝胶，同时采用简单的球磨混捏法将两组分混合，经焙烧后实现了活性组分Ru金属与助剂金属在载体CeO2上的高度分散。催化剂中Ru与助剂金属以及CeO2载体之间的协同作用的能够大幅改变催化剂性质，促进载体与活性金属之间的电子转移，提高了催化剂表面碱性，减弱了氨分解过程中Ru‑N键的相互作用。所制备催化剂具有贵金属Ru负载量低，分散性好，成本相对低廉，低温氨分解活性高以及长期运行稳定性好的优势。

一种负载于氮掺杂石墨烯管的Fe-Ni3N/V2O5异质结构析氧电催化剂

Resumen de: CN120006337A

本发明公开了一种负载于氮掺杂石墨烯管的Fe掺杂Ni3N/V2O5异质结构析氧电催化剂。首先通过水热法，在氮掺杂石墨烯管载体上原位生长Fe掺杂Ni‑V前驱体，随后在管式炉中加热至400℃，通氨气，氮化2h，获得由氮掺杂石墨烯管和原位生长在其表面的Fe掺杂Ni3N/V2O5异质结构组成的析氧电催化剂。基于Ni3N/V2O5异质界面和Fe掺杂对电子结构的有效调控，以及氮掺杂石墨烯管载体良好导电性等的协同作用，该电催化剂在碱性介质中表现出优异的电催化活性和稳定性。

一种混合离聚物构筑催化层的质子交换膜电解水膜电极及其制备方法

Resumen de: CN120006312A

本发明公开了一种基于长、短侧链不同的离聚物按比例混合制备的膜电极及其制备方法，属于电解水膜电极制备技术领域。该方法通过将长侧链离聚物、短侧链离聚物、催化剂及溶剂混合，并在适当条件下进行超声处理至分散均匀。随后，将其涂覆到质子交换膜上，经热压处理，使其更紧密的与膜表面结合，形成膜电极。在此过程中，长、短侧链离聚物通过协同作用，提高了催化层的结构稳定性和催化剂的分散性，优化了膜电极的性能。

一种具有多孔催化层的质子交换膜电解水膜电极及其制备方法

Resumen de: CN120006313A

本发明公开了一种质子交换膜电解水膜电极及其制备方法，先将催化剂、造孔剂、离聚物及溶剂混合后在冰水浴中超声至分散均匀，随后将其涂覆到聚四氟乙烯膜上得到催化层，再经过热压，将催化层转印到质子交换膜的两侧，得到膜电极。本发明制得的膜电极的催化层具有造孔剂在热压转印过程中热解离去时原位形成的交联多孔网络结构，提高了三相界面比表面积和贵金属催化剂利用率，降低了膜电极的气、液传质阻力，改善了物质传输能力；膜电极性能获得提升并具有更优异的稳定性。

浆料和析氢电极和电解槽以及Co基催化剂及其制备方法

Resumen de: CN120006333A

本发明涉及电解水制氢领域，公开了浆料和析氢电极和电解槽以及Co基催化剂及其制备方法。所述浆料含有Co基催化剂和粘结剂；其中，所述浆料中Co基催化剂和粘结剂的重量比为(7‑9)：(1‑3)；所述Co基催化剂由Co基类沸石咪唑骨架材料经退火而制得，或者，所述Co基催化剂含有管状石墨化碳结构、层状石墨化碳结构和无定形石墨化碳结构。Co‑基催化剂的高催化活性和结构中的孔隙度，使其在碱性膜电解水体系中展现出优异的析氢性能和持久的稳定性。通过调节喷涂浆料中各组分的浓度，改善了膜电极材料表面的形态和孔隙的大小，使Co‑基析氢电极在碱性膜电解槽制氢中展现出优异的析氢性能和持久的稳定性。

一种超亲水碱性电解水制氢气复合隔膜及其制备方法

Resumen de: CN120006350A

本发明涉及一种超亲水碱性电解水制氢气复合隔膜及其制备方法，产品包括聚苯硫醚支撑网以及涂层浆料，涂层浆料由聚砜树脂、聚乙烯吡咯烷酮、季铵盐功能化的金属氧化物和有机溶剂组成；涂层浆料中，聚砜树脂的质量分数为5～15％，聚乙烯吡咯烷酮的质量分数为0.1～5％，季铵盐功能化的金属氧化物的质量分数为20～40％，有机溶剂的质量分数为30～50％；制备时先按照上述原料配制得到涂层浆料，然后将聚苯硫醚支撑网浸润涂层浆料中，接着用刮刀进行刮涂，将刮涂后的聚苯硫醚支撑网在空气中静置，进行预蒸发，之后置入乙醇的水溶液中进行相转化，制得产品。产品具有优异的离子传导性能、机械强度和耐碱性；制备方法简单。

一种可在平衡式或差压式两种工况下切换运行质子交换膜水电解制氢工艺系统及控制方法

Resumen de: CN120006310A

本发明涉及水解制氢技术领域，特别涉及一种可在平衡式或差压式两种工况下切换运行质子交换膜水电解制氢工艺系统及控制方法。该制氢系统是将平衡式或差压式两种工况下运行所需的不同工艺路线的设备和控制进行了创新设计，并在一个质子交换膜水电解制氢工艺系统中实现，其优点是充分发挥了质子交换膜水电解槽的高电流密度、高效率、快速动态响应以及对风光等可再生能源波动性的适应能力，同时利用了质子交换膜本身两侧耐压差的特性，可适应制氢后续使用场景不同的要求，此工艺系统可在平衡式和差压式两种工况下运行，适用场景宽、操作灵活、动态响应能力高效、系统维护简单、安全性好、环境友好性好。

超薄镍钴铜纳米带及其制备方法和在电催化反应的应用

Resumen de: CN120006330A

本发明公开一种超薄镍钴铜纳米带及其制备方法和应用，包括：将NiCl2·6H2O、CoCl2·6H2O、CuCl2·2H2O和对苯二甲酸加入由N,N‑二甲基甲酰胺、无水乙醇和去离子水组成的溶液中，超声处理均匀后，加入三乙胺，搅拌均匀，制得混合液；将混合液转移到聚四氟乙烯内衬的高压反应釜中，加热反应；反应结束后冷却至室温取出反应釜，将反应物离心、洗涤、干燥，即得产物。本发明在以对苯二甲酸为配体的NiCo双金属MOFs的基础上，引入金属Cu制备出超薄二维材料NiCoCu‑BDC，将其应用于电催化氧析出反应中，解决了一元和二元MOFs材料电解水催化性能稍弱、动力学略显迟缓的问题。

一种膜电极及其制备方法、电解水制氢装置

Resumen de: CN120006311A

一种膜电极及其制备方法、电解水制氢装置，属于膜电极技术领域。本发明膜电极包括依次设置的阴极催化层、质子交换膜、功能层和阳极催化层；所述功能层包括第一含铂物质；所述阳极催化层包括含铱物质和第二含铂物质。本发明能够在降低Ir载量的情况下，保证膜电极的电化学性能、降低氧中氢的数值，降低PEM电解槽的成本。

一种两相流中气体纯度检测装置

Resumen de: CN120009483A

本申请涉及一种两相流中气体纯度检测装置，包括若干电解槽，若干所述电解槽上均设置有排放管，若干所述排放管远离电解槽一端均连接于同一个后处理设备，排放管上均设置有两相流取样管路，所述两相流取样管路包括两相流管、取样管和控制阀门，所述两相流管一端连接于排放管靠近电解槽处，另一端连接于排放管靠近后处理设备处，所述取样管于两相流管中部连接于两相流管，所述控制阀门不少于三个，两相流管两端以及取样管上均至少设置一个控制阀门。本申请具有降低纯度测量滞后性的效果。

CELL FOR FORMING AN ELECTROLYSER, ELECTROLYSER COMPRISING SUCH CELL, METHOD FOR MANUFACTURING AND OPERATING AN ELECTROLYSER

Resumen de: AU2023374771A1

Cell for forming an electrolyser comprising at least one diaphragm or membrane having a first side and a second side opposite the first side, a first cell plate, arranged on the first side of the diaphragm, provided with a first electrode, provided with an inlet channel for supplying or draining electrolyte to or from the electrode, provided with a first discharge channel for discharging oxygen from the electrode, at least one second cell plate, arranged on the second side of the diaphragm, provided with a second electrode and provided with a second discharge channel for discharging hydrogen from the electrode wherein the at least one first and second cell plate are made of a polymer material.

Verfahren zum Betreiben einer Elektrolyseanlage, Elektrolyseanlage

Resumen de: DE102023211334A1

Die Erfindung betrifft ein Verfahren zum Betreiben einer Elektrolyseanlage (1), umfassend mindestens einen eine Vielzahl von Elektrolysezellen aufweisenden Stack (2) mit einer Anode (3) und einer Kathode (4), wobei im Normalbetrieb der Elektrolyseanlage (1) der Anode (3) über einen Wasserkreislauf (5) mit integrierter Pumpe (6) Wasser zugeführt wird, das in dem mindestens einen Stack (2) durch Elektrolyse in Wasserstoff und Sauerstoff aufgespalten wird, und wobei der durch Elektrolyse erzeugte Wasserstoff über einen Kathodenauslass (9) des Stacks (2) und eine hieran angeschlossene Medienleitung (7) abgeführt wird. Erfindungsgemäß wird beim Abschalten der Elektrolyseanlage (1) ein reduzierter Stackstrom aufrechterhalten und mit Hilfe des Stackstroms sowie eines zellseitigen Rekombinationskatalysators (10) wird anodenseitig vorhandener Sauerstoff mit Wasserstoff, der von der Kathodenseite auf die Anodenseite diffundiert, zu Wasser rekombiniert.Die Erfindung betrifft ferner eine Elektrolyseanlage (1), die zur Durchführung des Verfahrens geeignet bzw. nach dem Verfahren betreibbar ist.

ELECTROLYTIC CELL SYSTEM AND CONTROL METHOD THEREFOR

Resumen de: WO2025099872A1

An electrolytic cell (3) comprises: a hydrogen electrode chamber (12); an oxygen electrode chamber (13); a metal support body (6) having a plurality of communication holes (6a) formed in a first main surface (6b); and a cell body section (7) disposed on the first main surface (6b). The cell body section (7) comprises: a hydrogen electrode (14) formed on the first main surface (6b) and disposed in the hydrogen electrode chamber (12); an oxygen electrode (15) disposed in the oxygen electrode chamber (13); an electrolyte (16) disposed between the hydrogen electrode (14) and the oxygen electrode (15); and a current collection member (18) disposed on the oxygen electrode (15) and inside the oxygen electrode chamber (13). The pressure in the oxygen electrode chamber (13) is higher than the pressure in the hydrogen electrode chamber (12).

ELECTROLYTIC CELL SYSTEM AND OPERATION METHOD THEREFOR

Resumen de: WO2025099844A1

An electrolytic cell system (1) comprises: a plurality of cell stacks (11); a control device (40, 40a); and a power source (30). The plurality of cell stacks (11) generate a generated gas containing hydrogen by electrolyzing a raw material gas containing water. The plurality of cell stacks (11) are electrically connected in parallel. The control device (40, 40a) controls the operation of the plurality of cell stacks (11). The plurality of cell stacks (11) include two or more cell stacks (11) in which the steady power required for steady operation near thermal neutral voltage is mutually different. The control device (40, 40a) suspends the operation of at least one cell stack (11), of the two or more cell stacks (11), in a manner approximate to the amount of decrease in the power supplied from the power source (30).

PRODUCTION METHOD FOR HYDROGEN

Resumen de: WO2025100112A1

A production method for hydrogen according to the present invention includes a step for electrolyzing an electrolytic solution that has been heated to a temperature between a lower limit temperature that is at least 100°C and at least the melting point and an upper limit temperature that is less than the boiling point, the electrolytic solution being composed of sodium hydroxide, potassium hydroxide, and water and satisfying expressions (1)-(3).　(1) 4≤x≤14. (2) 51≤y≤71. (3) 15≤z≤45.

ELECTROLYSIS CELL SYSTEM AND METHOD FOR CONTROLLING SAME

Resumen de: WO2025099868A1

An electrolysis cell system (1) comprises an electrolysis cell (10), a first supply path (L1), a second supply path (L2), a first pressure adjustment unit (60), a second pressure adjustment unit (80), and a controller (130). The electrolysis cell (10) has a hydrogen electrode chamber (12) and an oxygen electrode chamber (13). The first supply path (L1) supplies a raw material gas containing water vapor to the hydrogen electrode chamber (12). The second supply path (L2) supplies compressed air to the oxygen electrode chamber (13). The first pressure adjustment unit (60) is provided in the first supply path (L1). The second pressure adjustment unit (80) is provided in the second supply path (L2). The controller (130) controls the first pressure adjustment unit (60) and the second pressure adjustment unit (80) to adjust a first pressure in the hydrogen electrode chamber (12) and a second pressure in the oxygen electrode chamber (13).

COBALT-IRIDIUM NANOCRYSTAL AND PREPARATION METHOD THEREFOR, AND WATER ELECTROLYSIS CATALYST

Resumen de: WO2025098180A1

A preparation method for a cobalt-iridium nanocrystal comprises: mixing an iridium salt, an organic ligand, a reducing solvent and a centrifugal liquid to form a first precursor, and maintaining the temperature of the first precursor; and mixing the first precursor with a cobalt salt in a protective atmosphere to form a second precursor, and maintaining the temperature to carry out a reaction to obtain the cobalt-iridium nanocrystal. According to the preparation method, a centrifugal liquid is used as a raw material, improving the yield, crystallinity and electrocatalytic activity of the cobalt-iridium nanocrystal, and reducing the synthesis cost. The present invention also relates to a cobalt-iridium nanocrystal and a water electrolysis catalyst.

HYDROGEN REFUELING STATION, HYDROGEN ENERGY AUTOMOBILE, AND HYDROGEN REFUELING SYSTEM

Resumen de: WO2025097621A1

A hydrogen refueling station, a hydrogen energy automobile, and a hydrogen refueling system. The hydrogen refueling system comprises a decomposition device (10), a transfer device (20), a storage device (30) and a recombination device (40); the decomposition device is configured to decompose water into hydrogen and oxygen; the transfer device is configured to transport hydrogen into the storage device and discharge oxygen into the environment; the storage device is configured to store the hydrogen transported by the transfer device; the recombination device is configured to receive the hydrogen provided by the storage device and the oxygen in the environment, and the hydrogen and the oxygen react in the recombination device to generate a current. When the hydrogen refueling system of the present invention is used for hydrogen refueling of the automobile, a way to perform real-time hydrogen production and hydrogen refueling is used, such that it is not necessary to build a large hydrogen storage tank, which saves the long-distance transportation of hydrogen and reduces the construction cost and operation cost of a hydrogenation system.

APPARATUS FOR PRODUCING HYDROGEN FROM ALKALINE WATER AND SYSTEM FOR PRODUCING HYDROGEN

Resumen de: WO2025097294A1

Disclosed in the present application are an apparatus for producing hydrogen from alkaline water and a system for producing hydrogen. The apparatus for producing hydrogen comprises an alkaline-water electrolytic cell, wherein a plurality of electrode plates are inserted into the alkaline-water electrolytic cell, and the plurality of electrode plates are sequentially arranged at set intervals; when the electrode plates are powered on, the plurality of electrode plates are arranged in a manner that an anode and a cathode face each other; and at least some of the plurality of electrode plates are each provided with an elastic assembly. In the present application, an elastic assembly is provided in an electrode plate to push the anode to the cathode as much as possible, thereby reducing the voltage of a unit cell; in addition, during process control, a gas-phase pressure on the anode side is maintained higher than that on the cathode side, such that the purity of a gas generated by means of an electrolytic reaction is reduced, and the safety of the electrolytic cell and process for producing hydrogen from alkaline water is improved.

ELECTROCATALYST

Nº publicación: WO2025097201A1 15/05/2025

Solicitante:

NEWSOUTH INNOVATIONS PTY LTD [AU]
ROYAL MELBOURNE INSTITUTE OF TECH [AU]
NEWSOUTH INNOVATIONS PTY LIMITED,
ROYAL MELBOURNE INSTITUTE OF TECHNOLOGY

Resumen de: WO2025097201A1

The present invention relates to a method of producing an electrocatalyst, an electrocatalyst obtained by the method, an electrode coated with the electrocatalyst, an electrolyser comprising the electrode and a method of producing hydrogen using the electrolyser In particular, the present invention relates to a bimetallic electrocatalyst for use in hydrogen evolution reaction (HER).