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1127
results.
Updated on
22/08/2026 [07:04:00]
Results 950 to 975 of 1127
Absstract of: CN122273594A
本发明公开了一种三臂型硫化镉纳米棒光催化剂，其组成包括：三臂硫化镉纳米棒、二硫化钼、二硫化铱；其中，三臂硫化镉纳米棒的三个尖端均负载有二硫化钼和二硫化铱。该光催化剂通过将三臂硫化镉纳米棒与氯化铱、钼酸钠在溶剂中混合，经水热反应得到。本发明通过将二硫化钼和二硫化铱纳米花状助催化剂成功负载在三臂硫化镉纳米棒尖端，实现了光生电子‑空穴对高效分离，提高了光催化性能。
Absstract of: CN122279673A
本发明涉及电催化剂技术领域，具体涉及一种用于阴离子交换膜电解槽的高稳定一体化析氧催化剂及其制备方法和应用。为解决目前阴离子交换膜电解槽中OER过电位高、安培级电流密度下催化层易脱落、制备方法复杂，难以规模化制备的问题。本发明采用的方法为：1）将硝酸铁加入到异丙醇中剧烈搅拌溶解得到溶液A；硫脲加入到去离子水中溶解得到溶液B；在剧烈搅拌下将溶液B加入溶液A中得到均匀的溶液C；2）将用乙醇和盐酸溶液超声清洗后的金属多孔材料基底放入溶液C中浸渍，然后取出用大量去离子水冲洗干净，再烘干即可得到一体化的析氧催化剂。本发明制备出的析氧催化剂不仅具有高的析氧催化活性，还与基底结合紧密，可实现安培级电流密度长期稳定运行。
Absstract of: CN122273529A
0001 本发明属于氨分解技术领域，具体涉及一种氨分解制氢镍基催化剂及其制备方法和应用。本发明的镍基催化剂包括活性组分、助剂和氧化物载体，其中活性组分为金属镍。本发明的镍基催化剂可以通过低温快速蒸发溶剂的制备方法合成，适用于以纯氨为原料的氨分解制氢反应，氨分解效率可达99.9%。
Absstract of: CN122292399A
The invention provides an active cooperative control method and device for a new energy hydrogen production system and electronic equipment. The method comprises the steps that mathematical models of a mixed electrolytic cell, a hydrogen storage tank, a new energy power generation unit and a storage battery are constructed respectively; determining a coordination control strategy of the new energy hydrogen production system, wherein the coordination control strategy of the system comprises a control strategy of a grid-side converter, a control strategy of a hybrid electrolytic cell and a control strategy of a new energy power generation unit; on the basis of the current operation mode and the corresponding unit states in different operation modes, start-stop and power instructions of the new energy power generation unit, the hybrid electrolytic cell and the hydrogen storage tank are determined; and cooperative control implementation of the new energy hydrogen production system is carried out based on the mathematical models, the cooperative control strategies and the start-stop and power instructions, so that active frequency support of the new energy hydrogen production system is realized. According to the invention, the adjusting capabilities of the source side and the load side can be simultaneously activated, the operation characteristics of the hybrid electrolytic cell are utilized to the maximum extent, and the active frequency support level of the system is remarkably
Absstract of: CN122279633A
The invention relates to the field of seawater hydrogen production, in particular to a device and a method for producing hydrogen and chlor-alkali by using seawater. The sodium chloride crystallization platform comprises a crystal bearing plate and a plurality of black fine glass fiber pipes, the fine glass fiber pipes are fixed on the crystal bearing plate, the inner diameter of each fine glass fiber pipe is less than 0.1 mu m, the lower end openings of the fine glass fiber pipes extend into seawater, and the upper end openings of the fine glass fiber pipes face upwards and exceed the crystal bearing plate; the fresh water preparation platform is used for preparing fresh water by utilizing solar energy and supplying the fresh water to the crystal bearing plate so as to dissolve sodium chloride crystals separated out from a pipe opening at the upper end of the fine glass fiber pipe to form saline water; the electrolysis device is used for receiving saline water and electrolyzing the saline water, and an ionic membrane used for preventing OH from being migrated to the anode region from the cathode region is arranged between an anode plate and a cathode plate of the electrolysis device; the solar power generation platform is connected with the electrolysis device to supply power; the gas storage device comprises a hydrogen gas storage space and a chlorine gas storage space. According to the invention, completely green hydrogen, chlorine and caustic soda can be obtained by using
Absstract of: CN122279666A
一种基于铂钴合金/碳纳米管复合结构的电解酸性海水析氢催化剂及其制备方法，属于纳米材料与催化技术领域，由多孔导电基底负载的铂钴合金/碳纳米管复合层构成，铂钴金属固溶体均匀锚定于酸化碳纳米管表面；方法：将乙酰丙酮铂、乙酰丙酮钴与酸化碳纳米管混合后于氩气氛围进行无溶剂微波热解，一步制得铂钴合金/碳纳米管复合粉末；经滴涂于多孔导电基底后，进行电化学活化获得整体式复合电极催化剂。本发明能够实现催化剂结构与组分的精细调控；贵金属负载量低，制备工艺简单、绿色环保；有效克服传统铂基催化剂在酸性介质中易失活、稳定性不足的问题，在酸性海水中高温、大电流密度电解条件下表现出优异的析氢活性与长期稳定性。
Absstract of: CN122279672A
0001 本发明涉及电催化材料技术领域，具体涉及一种NiW<2>‑WO<2>/NF复合电催化材料及其制备方法和应用。该催化材料以泡沫镍为基底，通过水热合成和氢气退火还原制备，形成NiW<2>合金与WO<2>复合的三维四面体多孔结构。该催化材料具有超高活性位点密度、超低电荷转移电阻和超疏气表面，在10mA·cm<‑2>和1000mA·cm<‑2>下过电位分别为15mV和280mV，Tafel斜率41mV·dec<‑1>，且在500mA·cm<‑2>下稳定运行500h。原位红外光谱证实其可动态调控界面水结构，四配位氢键水（4HB‑H<2>O）占比达35%，增强氢键网络连通性，有效降低水解离能垒，适用于工业级大电流电解水制氢。
Absstract of: CN122279677A
0001 本发明公开了一种碱性水电解用复合隔膜及其制备方法，涉及碱性水电解制氢技术领域。所述制备方法包括对聚苯硫醚支撑网基底采用胶粘‑剥离法进行粗化处理；将粗化处理后的聚苯硫醚支撑网进行聚多巴胺表面改性；将热塑性树脂溶解于有机溶剂中，并加入亲水性无机纳米颗粒混合均匀，得到铸膜液；将铸膜液涂布于经改性处理后的聚苯硫醚支撑网的至少一个表面上，形成液膜；将涂布有液膜的聚苯硫醚支撑网置于非溶剂中进行相转化处理，去除有机溶剂，即得复合隔膜。该复合隔膜厚度可控，兼具高气密性与低面电阻，其支撑网经亲水改性后耐碱性和稳定性优异，可显著延长电解槽运行寿命，有效隔离氢氧气体并降低电解能耗，满足大规模清洁能源制氢的技术需求。
Absstract of: CN122287017A
The invention belongs to the technical field of renewable energy source conversion, and discloses a cost minimization-based PEM electrolytic cell array configuration method, which comprises the following steps: S1, establishing a photovoltaic model and an electrolytic cell model; s2, setting an initial photovoltaic array configuration scale, and inputting local meteorological data; s3, the hydrogen production amount is calculated, and the hydrogen cost is leveled; and S4, with the lowest cost as the target, optimal calculation is carried out to determine the optimal photovoltaic array configuration scale. The direct current-alternating current-direct current conversion process is reduced, so that the energy transmission loss is reduced, and the efficiency of a hydrogen production system is improved; configuration is carried out based on hydrogen cost minimization, and the hydrogen production cost of the PV-PEM direct coupling system is reduced.
Absstract of: CN122279642A
本发明涉及电解水制氢技术领域，且公开了一种高电流密度的碱性电解水制氢设备，包括碱性水电解槽，所述碱性水电解槽的两侧均固定连接有端盖，两个所述端盖的两侧均安装有端子，所述碱性水电解槽的下表面安装有导管，所述碱性水电解槽的上表面安装有气管。本发明中，适配高电流密度运行，提升制氢效率与稳定性，设备通过优化电解槽结构，配合高效散热设计，可稳定适配高电流密度运行工况，电流经端子平稳导入电解槽后，电极催化反应高效可控，电解液通过导管循环补充、反应气体经气管顺畅排出，确保电解反应持续稳定进行，有效避免高电流密度下因反应紊乱导致的制氢效率下降，大幅提升单位时间内的制氢量，适配规模化制氢需求。
Absstract of: CN122273268A
0001 本发明涉及氢气纯化技术领域，且公开了一种氢气纯化装置，包括底座，所述底座底端安装有若干移动轮，所述底座顶端安装有电解制氧机、除杂箱和干燥箱；所述电解制氧机顶端上侧设有软管，所述软管与除杂箱底端连通有进气管，所述除杂箱外壁上侧与干燥箱底端之间连通有排气管；所述电解制氧机顶端设置有限位组件，所述限位组件包括固定连接在电解制氧机顶端的第一连接管，所述第一连接管与电解制氧机内部相连通，所述第一连接管顶端固定连接有顶板，所述顶板外壁两侧均固定连接有固定板，解决了现有装置脱氧能力不足、干燥剂易失效、管路连接不便、吸附剂更换困难以及管路内气流紊乱、阻力大的问题。
Absstract of: CN122279631A
本申请提供了一种酸性介质电解制氢的装置及方法，涉及电解制氢技术领域。本申请中阳极采用二价铁离子氧化反应替代传统电解水的析氧反应，阳极电位大幅降低，槽压比传统电解水降低，降低电解制氢的能耗成本；电解过程中阳极无氧气析出，可避免氢气与氧气混合形成爆炸性气体，同时阴极产生的氢气几乎无杂质，纯度高；本申请可直接采用酸性含铁废水（如酸性矿山废水）作为阳极液原料，在制氢的同时实现废水中二价铁离子的氧化回收，兼具环保与资源化价值。
Absstract of: CN122281203A
The invention discloses an underground hydrogen storage system coupled with pumped storage, and belongs to the technical field of underground hydrogen storage. The system comprises a hydrogen production compression unit, a pumped storage-underground hydrogen storage geological pressure double-control unit, a dissolved hydrogen separation-heat closed loop unit, an adsorption purification-regeneration unit and a main controller, and all the units are subjected to whole-system linkage self-adaptive regulation and control through the main controller. And a geological stress-hydrogen storage pressure double-closed-loop PID regulation and control algorithm is built in the main controller. Through hydrogen-water collaborative flow matching, a graded geological buffering-sealing integrated structure, heat closed-loop recovery and adsorbent cyclic utilization, deep coupling of pumped storage and underground hydrogen storage is achieved, and the problems that existing underground hydrogen storage is high in geological risk, large in pressure fluctuation, residual in hydrogen extraction, low in energy utilization rate and the like are solved; and moreover, the heat of the system is closed-loop and self-sufficiency, the intermittent power generation characteristic of renewable energy sources is adapted, and the system is suitable for large-scale green hydrogen storage and power grid peak regulation.
Absstract of: CN122279676A
0001 本发明提供一种碱性电解水制氢用复合隔膜及其制备方法和应用，涉及碱性电解水技术领域。所述复合隔膜由聚合物、颗粒填料和多孔格网构成，所述聚合物和颗粒填料混合后位于所述多孔格网的网孔中及网线的两侧构成功能层，所述多孔格网作为支撑层的表面均方根粗糙度不低于200 nm，所述聚合物和所述多孔格网的溶度参数差值不高于10.0 MPa<0.5>。通过控制支撑层的表面粗糙度以及其与聚合物的溶度参数差值，提高其与功能层的结合力。该隔膜机械力学强度被增强，具有高压缩强度、高附着力、低质量磨耗损失率的特点，同时具有低面电阻和高泡点压力的特点，适用于碱性电解水制氢领域，特别适用于加压型电解槽中。
Absstract of: CN122276900A
The invention discloses a high-efficiency isopropanol oxidation auxiliary energy-saving hydrogen production and desalination system and application thereof, and belongs to the technical field of seawater desalination and isopropanol electrochemical oxidation appreciation. Comprising an anode, a cathode and a diaphragm, the diaphragm comprises an anion exchange membrane and a cation exchange membrane; the anode and the anion exchange membrane form an anode chamber, and the anode chamber contains anolyte; the cathode and the cation exchange membrane form a cathode chamber, and the cathode chamber contains cathode electrolyte; a desalting chamber is formed between the cation exchange membrane and the anion exchange membrane, and a salt solution is contained in the desalting chamber; the anode is foamed nickel for in-situ growth of an anode catalyst; and the cathode is a titanium felt loaded with a cathode catalyst. The isopropanol oxidation assisted energy-saving hydrogen production and desalination system provided by the invention can efficiently remove salt in water and efficiently oxidize isopropanol at the anode side to generate a value-added product acetone, and efficiently produce hydrogen at the cathode side. And high practicability and durability are achieved.
Absstract of: CN122288219A
The invention discloses a new energy hydrogen production system planning method, system, equipment, medium and product based on multi-time scale risk quantification, and relates to the technical field of new energy hydrogen production, the method comprises the following steps: constructing a new energy hydrogen production system; constructing an operation model; constructing a risk quantification model; acquiring hour-level predicted generating capacity data and historical generating capacity data of the new energy generator set; calculating a prediction error based on the predicted power generation data and the historical power generation data; constructing constraint conditions based on the operation model and the prediction error; based on the constraint condition and the risk quantification model, constructing a new energy hydrogen production system planning mathematical model considering the multi-time scale risk; and under the constraint condition, solving the new energy hydrogen production system planning mathematical model considering the multi-time scale risk by taking the minimum annual comprehensive risk level as a target to obtain an optimal planning scheme. The safety and reliability of the new energy hydrogen production system are improved.
Absstract of: AU2024399357A1
The present disclosure relates to apparatuses for producing hydrogen, and to top-down methods for producing nanoparticles. Different mechanical mills may be used to break down micron sized soil or sand particles and to react the particles with water, particularly sea water.
Absstract of: KR20260097100A
본 발명은 본 발명은 신규한 전처리 방법을 포함하는 생물전기화학적 수소 생산 방법에 관한 것으로서, 보다 상세하게는, 캐소드 전극 및 애노드 전극 중 적어도 하나의 전극을 세척 용액에 침지시켜 상기 전극 표면의 불순물을 제거하는 단계; 상기 불순물이 제거된 전극을 pH 5.5 내지 6.0의 버퍼 용액에 침지시켜 전처리하는 단계; 및 상기 캐소드 전극 및 애노드 전극을 슬러지를 포함하는 산발효조에 넣고 상기 캐소드 전극 및 애노드 전극에 각각 부착된 미생물을 촉매로 수소를 생산하는 단계를 포함함으로써 전극 표면에의 바이오필름 형성을 용이하게 하고 수소 생산 효율을 증대시키는 생물전기화학적 수소 생산 방법에 관한 것이다.
Absstract of: WO2026133268A1
The present invention relates to a non-stoichiometric Ni0 .85Se/NaCI composite nanomaterial obtained from a nickel selenide and sodium chloride, useful as a multifunctional electrocatalyst and/or photocatalyst for the evolution of hydrogen and oxygen from water, and/or for urea oxidation, and which can also act as a mediator in the oxygen evolution reaction, and the simultaneous purification of aqueous solutions contaminated by organic pollutants. The invention also relates to the method for obtaining said composite nanomaterial, together with the use thereof for obtaining a multifunctional electrode for the evolution of hydrogen and oxygen from water, and/or for urea oxidation. The invention also relates to a multifunctional electrode comprising the non- stoichiometric Ni0 . 85Se/NaCI composite nanomaterial of the invention.
Absstract of: WO2026133999A1
The present invention provides a water electrolysis evaluation device 100 for evaluating a water electrolysis device W, which evaluates the water electrolysis device while appropriately taking care of a mixed gas of an oxygen gas and a hydrogen gas generated by crossover. The water electrolysis evaluation device 100 comprises: a gas flow path 41 through which an exhaust gas discharged from the water electrolysis device W flows; a sensor 81 that is provided in the gas flow path 41 and measures the flow rate or concentration of the exhaust gas; a dilution gas supply unit 82 that supplies a dilution gas to the gas flow path 41 so as to dilute the exhaust gas; and a flow rate control unit 83 that controls the flow rate of the dilution gas supplied from the dilution gas supply unit 82 to the gas flow path 41 on the basis of the measurement value of the sensor 81.
Absstract of: WO2026134764A1
According to exemplary embodiments of the present invention, a hydrogen production method and a hydrogen production system can be provided, the hydrogen production method optimizing ammonia decomposition conditions, thereby ensuring sufficient ammonia decomposition efficiency and preventing the occurrence of side reactions of a catalyst.
Absstract of: US20260179989A1
0000 Described is an SOEC-SOFC-HBR hybrid system for green ammonia production, and more particularly an SOEC-SOFC-HBR hybrid system configured such that a solid oxide electrolysis cell (SOEC) is operated using electricity produced from renewable energy such as wind power or sunlight, intermittency of the renewable energy is complemented by a solid oxide fuel cell (SOFC), hydrogen produced by the solid oxide electrolysis cell (SOEC) and nitrogen provided by the solid oxide fuel cell (SOFC) are input to a Haber-Bosch reactor, and heat from the SOFC and the Haber-Bosch reactor is collected to efficiently and continuously produce green ammonia.
Absstract of: US20260176133A1
0000 The present invention relates to a clean energy convergence center using blue and green hydrogen. According to an embodiment of the present invention, the clean energy convergence center comprises: a clean hydrogen production base for producing blue and green hydrogen through the capture, storage, and recycling of carbon dioxide generated during methane reforming; and at least one clean hydrogen node that is supplied with the blue and green hydrogen produced from the clean hydrogen production base. The clean hydrogen nodes are distributed in large numbers throughout the country in consideration of factors including the area and population of each of regions and the distance to the clean hydrogen production base. The clean hydrogen production base and the clean hydrogen nodes are connected, and infrastructure including logistics, rest facilities, offices, and restaurants is expanded around each of the distributed clean hydrogen nodes.
Absstract of: US20260176772A1
0000 A hydrogen generator with pressure relief function includes a water tank having an accommodation space for accommodating electrolytic water, an electrolysis module arranged in the accommodation space of the water tank to electrolyze the electrolytic water from the water tank to generate gas comprising hydrogen, a humidifying cup arranged above the water tank to humidify the gas comprising hydrogen and having a humidifying chamber and a gas flow channel which are isolated from each other, and the gas flow channel is connected with the water tank. A first valve component is configured to selectively connect the humidifying chamber and an external environment, and a second valve component is configured to selectively connect the accommodation space and the humidifying chamber. When the electrolysis module stops operating, an external air from the external environment enters into the accommodation space through the first valve component and the second valve component.
Nº publicación: WO2026128931A1 25/06/2026
Applicant:
ANDRITZ AG MASCHF [AT]
ANDRITZ AG
Absstract of: WO2026128931A1
The invention relates to a rectifier arrangement for hydrogen electrolysis, comprising a first transformer (1) for transforming an input voltage U1 into a secondary voltage U1', wherein the transformer (1) has N>1 winding taps (2), and wherein an on-load tap changer (4) is provided that is designed to switch the winding taps (2) of the first transformer (1) such that the output voltage U1' can be switched into N stages, and wherein a second transformer (5) is provided for transforming the secondary voltage U1' into an output voltage U2 having a number M>1 of winding taps (6), wherein a second on-load tap changer (7) connected to the controller (3) is provided, wherein the first transformer (1) is connected in series with the second transformer (5) such that the output voltage U2 can be switched into NxM stages, wherein the transformers (1, 5) are arranged on separate iron cores, and wherein a passive rectifier (8) is provided for generating an output direct current IDC and an output DC voltage UDC.
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