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Última actualización
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Resultados 700 a 725 de 922
Resumen de: KR20250042417A
본 발명의 일 측면에 따른 전기 촉매를 위한 마이크로 구체 제조방법은, (a)Ni 전구체, B 전구체 및 P 전구체를 포함한 촉매전극 재료를 준비하는 단계; (b)상기 촉매전극 재료를 교반용기에 넣어 교반하여 촉매전극 혼합 용액을 형성하는 단계; 및 (c)상기 교반된 촉매전극 혼합 용액을 밀폐된 열수반응 용기(hydrothermal container)에서 일정 온도 및 일정 지속 시간 동안 열수반응 공정이 수행되는 단계; 를 포함하는 것을 특징으로 한다
Resumen de: WO2025064007A1
A method for producing a hydrogen product having a carbon intensity less than about 0.45 kg C02e / kg H2 is provided. The method includes the steps of converting water to oxygen and the hydrogen product through an electrolysis process, providing at least some, and substantially all, of the required energy for the electrolysis process from a biomass power plant, and processing one or more flue gas streams from the biomass power plant in a carbon capture unit to reduce CO2emissions. The energy produced from the biomass power plant may comprise one or more of electricity, steam used as process steam in the electrolysis process, steam used as thermal energy in the electrolysis process, and steam used to power a mechanical drive for one or more compressors, pumps, or other motors generating shaft torque in the electrolysis process.
Resumen de: AU2023270735A1
The invention relates to hydrogen producing devices comprising: -An inner tube (2) with macroscopic holes, the tube having at one end an entrance opening, and at the other end an exit opening, the openings allowing entrance of moist a gas and allowing exit of a gas comprising oxygen being produced in the device respectively, -An electrode assembly (8) covering the outer surface of said tube, the assembly comprising an oxygen producing electrode (5) at the inner side of the assembly, and a hydrogen producing electrode (4) at the outer side of the assembly, the electrodes being separated from each other by a separator (3), -A liquid or solid material with hygroscopic properties.
Resumen de: CN119213172A
The invention relates to a solid oxide electrolysis unit for industrial hydrogen, carbon monoxide or synthesis gas production, comprising at least two solid oxide electrolysis cores, an electrical supply for managing electrical power to the solid oxide electrolysis cores, and a conduit connected to the solid oxide electrolysis cores, and each solid oxide electrolysis core comprises a plurality of solid oxide electrolysis stacks of solid oxide electrolysis cells. According to the invention, the solid oxide electrolysis unit comprises a power supply module comprising a transformer and at least one power supply unit, and a pipe module comprising pipe headers and fluid connections to and from the solid oxide electrolysis core, wherein the power supply module and the pipe module are arranged adjacent to each other, and the solid oxide electrolysis core is arranged above the power supply module and/or the pipe module.
Resumen de: CN119365633A
The invention relates to an electrolysis system comprising at least one electrolysis module (3A, 3B), the electrolysis module (3A, 3B) having a plurality of electrolysis cells (5) connected in series. According to the invention, a DC-conducting switching device (6) is provided which is electrically connected in parallel and which has an accessible power resistor (7) in such a way that, in the closed state, a current path through the power resistor (7) can be activated in order to cause a bridging of the electrolytic cell (5) and excess power can be dissipated via the power resistor (7). The invention further relates to a method for operating such an electrolysis plant (1) for decomposing water into hydrogen and oxygen, and to a composite plant (100) comprising an electrolysis plant (1) which is directly connected to a wind turbine (31).
Resumen de: EP4527989A1
A control system for a hydrogen production facility is a control system for controlling operation of a hydrogen production facility including at least one water electrolyzer. The control system includes: a required hydrogen flow rate acquisition part configured to acquire a required hydrogen flow rate that is a hydrogen generation amount required for the water electrolyzer; a conversion part configured to convert the required hydrogen flow rate into a current required to generate hydrogen at the required hydrogen flow rate at the water electrolyzer and acquire a provisional required current; and a first correction part configured to acquire a current set value to be provided to the water electrolyzer by correcting the provisional required current using a first correction factor based on a difference between the required hydrogen flow rate and an actual hydrogen flow rate that is a hydrogen generation amount generated actually at the water electrolyzer.
Resumen de: GB2633496A
A passive dual modulating regulator that responds to a pressure differential between a hydrogen-side and an oxygen-side of one or more proton-exchange membrane (PEM) cells is provided. The passive dual modulating regulator includes a flexible diaphragm that is clamped along its periphery between hemispherical chambers. A bi-directional valve assembly extends through the flexible diaphragm and includes opposing valve plugs for selectively closing the output ports of the respective hemispherical chambers. Large or sustained pressure imbalances between the hydrogen-side and the oxygen-side of a hydrogen generation system are avoided without active control inputs of any kind, and consequently a rupture of the PEM is entirely avoided.
Resumen de: EP4528862A1
A pore-filling membrane having excellent chemical durability and mechanical strength, a fuel cell including the pore-filling membrane and having excellent durability, and an electrolysis device are provided. The pore-filling membrane has a porous base material and a polyarylene polymer, in which the polyarylene polymer is filled into pores of the porous base material.
Resumen de: KR20250041814A
본 발명은 수전해 및 연료전지 스택 내부로 유입되는 연료 가스에 와류가 발생하도록 연료 가스가 통과하는 공간 상에 와류 발생 수단을 구비하여 가스의 층류 흐름에 따른 고립 및 집중현상 발생이 방지되게 하는 고체산화물 수전해 및 연료전지 스택을 제공하는 것으로, 와류 생성수단을 갖춘 고체산화물 수전해 및 연료전지 스택은 연료극, 공기극, 고체산화물로 이루어진 전해질층으로 구성되어 전력 또는 수소를 생성하는 단위전지 다수를 적층하여 구성되는 연료전지 스택; 상기 스택 내부로 공급되는 가스가 통과하는 매니폴드; 상기 단위전지 양측 단부에 구비되는 관통공과, 상기 매니폴드와 상기 관통공이 연통되어 상기 가스가 유입 또는 유출되는 유로를 형성하는 가스통로부; 상기 가스의 흐름이 법선방향으로 흐르도록 상기 가스통로부 내측을 가로질러 설치되는 베이스 부재; 상기 가스가 상기 베이스 부재를 통과하면서 와류를 형성하도록 상기 베이스 부재 상에 다수로 구비되는 와류생성부를 포함한다. 본 발명은 고체산화물 수전해 및 연료전지 스택에 가스를 주입하는 매니폴드 및 유로 상에 와류를 발생시키는 와류생성부를 구비함으로써, 가스 흐름이 고립 및 집중되는 부분이 생성되어도 다시 소멸되게 하�
Resumen de: EP4527983A1
The invention describes a water electrolysis arrangement comprising a water electrolyser (2) with a feed water inlet (21), a hydrogen outlet (22) and an oxygen outlet (23); and a water purifier assembly (1) adapted for connection between a raw water source and the feed water inlet (21) of the water electrolyser (2), and comprising an aeration stage (1<sub>aer</sub>) for aerating raw water (W<sub>raw</sub>); characterized in that the aeration stage (1<sub>aer</sub>) comprises an aeration vessel (10) with a raw water inlet (101) arranged to convey raw water (W<sub>raw</sub>) from the raw water source into the aeration vessel (10); an aeration inlet (102) connected to the oxygen outlet (23) of the water electrolyser (2); and an aerated water outlet (103) arranged to convey aerated water (W<sub>aer</sub>) to a subsequent stage of the water purifier assembly (1). The invention further describes a method of performing water electrolysis using such a water electrolysis arrangement (1).
Resumen de: AU2023272285A1
The invention relates to a water electrolyzer system (1) for producing hydrogen. The water electrolyzer system (1) comprises an electrolysis stack (8) for converting water into hydrogen, power electronics (12) for transforming the alternating current into a direct-current in order to supply the electrolysis stack (8), components (56, 64, 72, 80) for preparing the process media supplied to and discharged from the electrolysis stack (8), and a control unit (18) for controlling the electrolysis stack (8), the power electronics (12), and the components (56, 64, 72, 80) for preparing the media. At least the electrolysis stack (8), the power electronics (12), and the control unit (18) are formed together as an electrolyzer module (36), and the components (56, 64, 72, 80) for preparing the media and for conveying the media are formed together as a process module (52). The modules (36, 52) are equipped with connection possibilities (32, 40, 48, 84), via which the individual modules (36, 52) can be fluidically and electrically connected together.
Resumen de: WO2025063428A1
The present invention relates to a composite electrolysis device for producing hydrogen and hypochlorous acid water, having a novel configuration for generating hydrogen and hypochlorous acid water by electrolyzing dilute hydrochloric acid, the device comprising: an electrolytic cell (100) which has + and - electrodes (110, 120) disposed therein so as to electrolyze dilute hydrochloric acid inputted from the outside, and has formed in the upper end thereof a chlorine gas discharge hole (130) and a hydrogen discharge hole (140) for discharging chlorine gas and hydrogen generated from the electrolysis of the dilute hydrochloric acid; a dilution tank (200) which is provided on the upper side of the electrolytic cell (100) so as to communicate with the chlorine gas discharge hole (130), has dilution water flowing thereinto from the outside, and has hypochlorous acid water generated therein by means of the chlorine gas, entering through the chlorine gas discharge hole (130), being dissolved in the dilution water; an auxiliary electrolytic cell (300) which is provided on one side of the electrolytic cell (100) so that the end portions on one side of the + and - electrodes (110, 120) are inserted therein, has hydrochloric acid, contained in the hypochlorous acid water, electrolyzed therein by having a portion of the hypochlorous acid water generated in the dilution tank (200) flowing thereinto through a hypochlorous acid water inflow line (310) of which one end is connected to the d
Resumen de: WO2023161339A1
Combustion process, comprising: a) a production step of a binary fuel gas consisting of hydrogen and at least of between 5 and 50 vol% of nitrogen, preferably between 15 and 35 vol% nitrogen, and b) a combustion step using as only fuel gas the binary fuel gas at a combustion chamber able to receive as fuel gas the binary fuel gas, wherein the combustion chamber is selected from the group of furnaces and fired process heaters.
Resumen de: US2025087718A1
A bipolar plate for a fuel cell having a two-phase cooling system and a fuel cell system includes a coolant inlet, a coolant outlet, and coolant channels with the coolant inlet being in fluid connection with the coolant outlet via the coolant channels. At least one inner surface of coolant inlet, coolant outlet and at least one of the coolant channels has a surface treatment to influence a flow regime of a cooling fluid along at least one inner surface and/or a phase transition of the cooling fluid.
Resumen de: EP4527988A1
Method for performing an electrolysis with an electrolysis installation (1), comprisinga) recording a respective measurement value (5) of the electrolysis for multiple points of time (6),b) from the points of time (6) used in step a), selecting multiple reference points of time (7), which define a reference period (8),c) fitting a mathematical function (10) to the measurement values (5) recorded in step a) for the reference points of time (7) selected in step b),d) performing at least one of the following sub-steps:d1) from the mathematical function (10) obtained in step c), determining an ageing coefficient that is a measure of the ageing of the electrolysis installation (1),d2) recording a respective measurement value (15) of the electrolysis for at least one point of time (16) that lies after the reference period (8), comparing this measurement value (15) with a corresponding value calculated with the mathematical function (10) obtained in step c) and issuing an indication in case a result of this comparison violates a tolerance criterion.
Resumen de: CN119680588A
本发明涉及一种用于H2O2生产Te/ZnIn2S4复合光催化剂及其制备方法，所述制备方法以下步骤：将碲纳米线加到离子水和甘油中，超声混匀；再加入氯化锌、氯化铟及硫代乙酰胺，充分混匀；混合溶液通过油浴加热，经离心、干燥后得到Te/ZnIn2S4复合光催化剂。制备的Te/ZnIn2S4复合光催化剂性能优异且循环稳定性良好。制备所使用的药品均易得且价格低廉，且制备简单所用时间短。制备的Te/ZnIn2S4复合光催化剂能成功应用于光催化H2O2生产等领域。
Resumen de: CN119684551A
本发明公开了一种二维共价有机框架固溶体的制备方法及其应用，制备方法包括：将2,6‑二甲基苯并1,2‑b:5,4‑b’二恶唑，均苯三甲醛，1,3,5‑三（4‑甲酰基苯基）苯和苯甲酸酐混合，真空条件下加热反应，得到一系列乙烯基连接的共价有机框架固溶体。通过本发明的方法制备的共价有机框架固溶体材料具有全共轭结构和高的结晶度，经球磨处理后具有良好的光催化水分解制氢活性。
Resumen de: CN119680602A
本发明属于催化剂技术领域，提供了一种具有光催化析氢性能的嵌入式CoS/g‑C3N4光催化剂的制备方法，包含下列步骤：将盐酸胍、CoCl2·6H2O和水混合进行油浴并持续搅拌，得到混合粉末；将混合粉末在惰性气体气氛下煅烧，得到钴掺杂氮化碳Co‑CN；将Na2S、Co‑CN和水混合进行超声分散，得到分散液；将分散液顺次进行水热反应、真空干燥，即得所述嵌入式CoS/g‑C3N4光催化剂。本发明制得的CoS/g‑C3N4表现出优异的光催化制氢性能，CoS/g‑C3N4光解水制氢速率达到了386.7μmol h‑1g‑1，光解模拟海水的制氢速率达到了208.9μmol h‑1g‑1。
Resumen de: CN119680577A
本发明公开了一种锌基复合压电催化剂的制备方法，采用的微波‑油浴相结合的方法，更加快速、便捷地制备出了氧化锌‑硫化锌复合催化剂。微波法相对于烘箱的水热法来说，由于微波穿透物体的能力极强，所以物体能够快速而均匀的吸收微波，并遍及整个物体，这就使得加热过程变得快速而平稳，因此更加省时、高效；采用油浴的方式对氧化锌进行部分硫化，避免了水热法的高温反应，且成本更低。另外，本发明制备的氧化锌‑硫化锌复合压电催化剂在压电催化制氢中具有优异的循环稳定性，在循环50h后，其压电催化析氢的平均产率仅下降了12.2％，并趋于稳定。
Resumen de: CN119685837A
本发明公开一种己二酸单甲酯电氧化制癸二酸二甲酯耦合产氢的方法。在隔膜电解槽中，在阳极实现己二酸单甲酯到癸二酸二甲酯电化学转化的同时，通过高性能阴极催化剂及电极的设计，实现高纯氢气在阴极的高效生产。该方法采用具有低析氢过电位的活性阴极和高催化活性的形稳性阳极，利用恒电流电解的策略，提高了己二酸单甲酯的选择性电催化氧化性能，实现了己二酸单甲酯到癸二酸二甲酯的高效电催化转化。同时，大幅度降低阴极析氢过电位和槽电压。相比传统电合成工艺，大幅度提高了电流效率，降低了能耗，具有良好的工业化前景。
Resumen de: CN119684371A
本发明属于化学合成技术和氢能科学技术领域，具体为一种含S2N2型配体的镍配合物的制备及其在催化制氢中的应用。该镍配合物为二(异硫氰酸根)·1,2‑双(2‑(3,4‑二甲氧吡啶基)甲硫基)乙烷合镍({edt(CH2Py’)2}Ni(NCS)2)，其化学结构为：#imgabs0#本发明所述的镍配合物具有制备方法简单，反应条件温和，制备周期短，产率高等优点，同时可适用于制备其他氮杂环对乙二硫醇修饰的S2N2型配体的镍配合物的制备。本发明的镍配合物表现出高效的电催化制氢活性和光催化制氢活性，在氢能源领域具有潜在的应用价值。
Resumen de: CN119685847A
本申请公开了一种高性能不锈钢基电解水双功能电极及其应用，所述电极通过如下步骤制备获得：步骤1：对不锈钢表面进行预处理，去除其表面的杂质；步骤2：将步骤1处理后得到的不锈钢与磷源分别置于350～450℃条件下，在氩气氛围中，使不锈钢磷化1～3h，得到磷化不锈钢电极；其中，磷源与不锈钢之间的直线距离保持在5～10cm；步骤3：将步骤2处理得到的磷化不锈钢电极置于RuCl3溶液中，将磷化不锈钢作为阴极进行电沉积，得到所述电极；其中，RuCl3溶液的浓度为2～8mmol/L，电沉积时的电位窗口为‑2V～0V，电沉积的时间为15～25圈。
Resumen de: CN119681277A
本发明公开了一种镍纳米晶及其制备方法和应用，该方法包含：通过将镍盐与表面活性剂、还原剂加入溶剂中，控制反应气氛、反应物浓度和反应温度，实现成核过程中种晶类型的控制，进而实现不同形貌镍纳米晶的合成；使反应体系中，镍盐的浓度为1×10‑4mol/L～8×10‑2mol/L；表面活性剂的初始浓度为0.1～10mol/L；所述还原剂的初始浓度为镍盐的浓度的2～100倍。本发明通过调节生长条件实现了多种镍纳米晶的形貌控制合成，丰富了镍纳米材料的种类，为催化、传感、检测等领域提供了廉价材料。
Resumen de: CN119685842A
一种基于湿润性梯度和气泡单向操控的三维电解制氢功能电极的制备方法，它属于新能源电解制氢与流体输运技术领域。本发明基于面投影微立体光刻打印技术打印电极基底和气体操控网格，并通过纳米二氧化硅对电极顶部气体操控网格进行不对称湿润性处理，利用其超亲气的特性对气泡进行单向操控；并利用化学沉积将钴镍磷合金催化剂沉积在底部三维电极表面，从而实现电解水高效制氢与氢气产物分离的功能，这种三维制氢功能电极及其制备方法操作简单，制氢性能优异。本发明制备的基于湿润性梯度和气泡单向操控的三维电解制氢功能电极具备大面积堆叠、拼接的特点，能够增强空间利用率的同时，加快电解效率。
Nº publicación: CN119685844A 25/03/2025
Solicitante:
河北工业大学国家电投集团河北电力有限公司
Resumen de: CN119685844A
本发明为RuFe纳米颗粒协同Ni3S2与MXene异质结的电催化剂及其应用，电催化剂可表示为RuFe/Ni3S2MX/NF。通过水热法一步制备具有复合结构的自支撑电催化剂，这种催化剂具有多层结构，NF作为自支撑骨架，其表面则是Ni3S2和MXene组成的异质结结构(二维片状结构Mxene包裹着颗粒状的Ni3S2)，在MXene上存在一些RuFe纳米颗粒活性位点提供优异的OER性能。方法操作简单，制备及原料成本低，适合大规模应用。本发明中Ru和Fe的引入并形成合金全方位提高了该催化剂OER性能，几者协同作用促使RuFe合金纳米颗粒在异质结表面形成，增加活性位和比表面积。
BOPI
Sede Electrónica
