Absstract of: KR20240111495A
본 발명은 요소 산화 반응용 촉매, 이의 제조 방법, 및 이를 이용한 수소 생산 시스템에 관한 것으로, 구체적으로는 니켈 폼 상의 Fe3O4를 포함하는 요소 산화 반응용 촉매, 이의 제조 방법, 상기 촉매를 이용한 요소 전기분해 방법과 수소 생산 시스템에 관한 것이다. 본 발명에 따른 촉매는 요소를 포함하는 수용액에서 요소 산화 반응을 촉진시키고, 전극 촉매의 제조 비용을 저감시킬 수 있으며, 고효율로 수소를 생산할 수 있다.
Absstract of: CA3233832A1
The invention relates to a novel frame for an electrochemical cell and for a stack-type device. The invention relates to the frame, electrochemical cells, preassembled modules, and stack-type device, which comprise the frame according to the invention, and to methods for producing the preassembled modules, electrochemical cells and stack-type devices which comprise the frame according to the invention. The frame according to the invention, the electrochemical cells and stack-type devices are suitable for the conversion or generation of gases and liquids under pressure. The invention is based on a novel frame and seal concept. The invention furthermore relates to a cover for a stack-type device.
Absstract of: CA3233829A1
The invention relates to a novel frame for a PEM electrolysis cell and for a PEM electrolysis cell stack. The subject matter of the invention is the frame, a PEM electrolysis cell and stack-type PEM electrolysis devices, which comprise the frame according to the invention, preassembled components and methods for producing preassembled components and stack-type PEM electrolysis devices. The frame, PEM electrolysis cell and stack-type PEM electrolysis devices according to the invention are suitable for generating high-pressure hydrogen in combination with the use of thin proton exchange membranes. The invention is based on a novel frame- and sealing-concept. The invention also relates to a cover for stack-type PEM electrolysis devices.
Absstract of: WO2023036857A1
The present invention relates to a process and a system for the production of hydrogen and carbon dioxide starting from a feed stream comprising carbon monoxide, which is reacted with water and a halogen reactant. The process in particular comprises the steps of: a) reacting in a first reaction zone a feed stream comprising carbon monoxide (CO) with water (H2O) and bromine (Br2) under reaction conditions effective to produce a gaseous CO2-containing effluent stream and an aqueous solution of hydrogen bromide (HBr); and, b) supplying said aqueous solution of hydrogen bromide (HBr) to a second reaction zone and decomposing said hydrogen bromide (HBr) under conditions effective to produce a gaseous H2-rich stream and a stream comprising bromine (Br2), wherein said hydrogen bromide is decomposed in step b) by means of electrolysis.
Absstract of: WO2023036387A1
A hydrogen generation system comprising a wind turbine rotor coupled to a generator, wherein the generator is electrically coupled to a DC-link by way of a primary power converter, the DC-link having a power dissipation element. The system also comprises a hydrogen electrolysis system coupled to the DC-link; an auxiliary power converter coupled to the DC-link; and one or more auxiliary loads. The auxiliary power converter comprises an energy storage system and is electrically coupled to the one or more auxiliary loads to provide operating power thereto. Furthermore, the system comprises a control system coupled to the auxiliary power converter, the primary power converter and the hydrogen electrolysis system, wherein the control system is configured to operate the auxiliary power converter, the primary power converter and the hydrogen electrolysis system to control the voltage on the DC-link to remain with a predetermined range. Beneficially, the system of the invention manages the primary power converter to provide power to the electrolysis system, and the auxiliary power converter, to provide power to at least the auxiliary loads, in such a way as to optimise the generation of hydrogen by the electrolyser whilst decoupling the performance of the electrolyser from varying wind conditions.
Absstract of: EP4400631A1
Self-refueling power-generating systems and methods of configuring them are provided, which enable operation in a self-sustained manner, using no external resource for water, oxygen or hydrogen. The systems and methods determine the operation of reversible device(s) in fuel cell or electrolyzer mode according to power requirements and power availability, supply oxygen in a closed circuit, compressing received oxygen in the electrolyzer mode, and supplying water or dilute electrolyte in a closed circuit in conjunction with the closed oxygen supply circuit by separating oxygen produced by the reversible device(s) in the electrolyzer mode from the water or dilute electrolyte received from the reversible device(s). Membrane assemblies may comprise a binder and be hotpressed to enhance their long-term performance and durability.
Absstract of: EP4401283A1
An electrolysis system (1) includes an electrolyser (10) and a conversion device (20) for power supply of the electrolyser (10) out of a grid (30) is disclosed. The electrolyser (10) includes a plurality of electrolysis cells (11) connected in series to each other. The series connection of electrolysis cells (11) is connected through a positive DC-line (2a) and through a negative DC-line (2b) to a DC-output (21) of the conversion device (20). A conscious grounding of the series connection is provided via a grounding line (3) at a connection point (41) of the positive DC-line (2a), at a connection point (41) of the negative DC-line (2b) or at a connection point (41) of an intermediate power line (2c) between two adjacent electrolysis cells (11). The electrolysis system (1) has at least one overcurrent protection circuit (50) that is arranged between two adjacent electrolysis cells (11) of the series connection of electrolysis cells (11) and connected in series with an intermediate power line (2c) connecting the two adjacent electrolysis cells (11) of the series connection of electrolysis cells (11), and/or arranged in series with the grounding line (3) between the connection point (41) and ground (PE). If a ground fault (60) is occurring at the series connection of electrolysis cells (11), one or more of the at least one overcurrent protection circuit (50) is configured to trip and prevents an application of a damaging overcurrent and/or a damaging overvoltage to the electroly
Absstract of: EP4400698A2
The operation of the novel device begins in an extreme pressure electrolyser, in which the water molecule is split into its two constituent components, hydrogen and oxygen.Hidrogen at extreme pressure and at the exit temperature of the electrolysis evolves, delivering useful work in hydrogen expansion turbines in several stages in series, with alternating enthalpy increases, due to het gain in conveniently arranged exchangers.Hydrogen expansion turbines are mechanically coupled to the electric generator.Oxigen at extreme pressure and temperature at the outlet of the electrolyser evolves, delivering usefull work in oxygen expansion turbines in several stages in seies, with alternating enthalpy increases, due to heart gainin convenient arranged exchangers.Oxygen at a commercial pressure, which can be 150 BAR, is distributed in cylkinders suitable for transport, distribution and commercialization as a medical oxygen, as oxygen for flame cutting, for oxyacetylene welding or other use in various chemical processes.The hydrogen is channeled to the fuel cell to react with the oxygen in the air, supplied to the fuel cell to produce electrical energy directly, and heat that will be used in the newly invented device.The fuel cell effluents are water vapor, which will be condensed and transformed into potable water after leaving the fuel cell effluent receiver in the treatment unit, and nitrogen from the air entering the fuel cell, which did not undergo any chemical reaction, is deliver
Absstract of: EP4400630A1
A hydrogen water generator with warning function includes a container, a gas input port, a handle, a diffusing pipe, a gas output port, and a water port. The gas input port receives gas comprising hydrogen. The diffusing pipe is configured in the containing space and coupled to the gas input port. The gas output port receives the gas comprising hydrogen in the containing space and outputs it to the outside. The water port outputs the water to the outside. The gas comprising hydrogen enters into the water in the containing space to generate hydrogen water and humidified gas comprising hydrogen to be outputted to the outside of the container through the water port and the gas output port respectively. The container emits a first color light when the system is under a normal condition, but emits a second color light when the system is under an abnormal condition.
Absstract of: EP4400633A1
Disclosed are a porous transport layer and a preparation method therefor. The preparation method includes the following steps: S1, machining side-by-side elongated recesses on one side surface of a metal sheet; S2, cutting the metal sheet provided with the elongated recesses into a desired shape; S3, stacking a plurality of cut metal sheets such that adjacent metal sheets are tightly attached and firmly connected to form a metal block having regular pore structures inside; and S4, cutting the metal block along a cross section of the metal block, where the cutting thickness matches the thickness of the desired porous transport layer, and a cut sheet structure with micropores being regularly distributed on the surface is used as the porous transport layer. The present invention can solve the problems that titanium fiber felts in the prior art have poor diversion performance, low contact efficiency and large contact surface resistance.
Absstract of: EP4400629A1
A hydrogen gas generating device with heat dissipator includes a water tank, an electrolytic module and a heat dissipator. The water tank has an accommodating space configured for accommodating water. The electrolytic module is configured in the accommodating space of the electrolytic module and to receive and electrolyze water to generate gas comprising hydrogen. The heat dissipator is coupled to the water tank and includes an inlet tube, an outlet tube and at least one tubular structure. The inlet tube is connected to the water tank and configured to receive the water from the water tank. The outlet tube is connected to the water tank and configured to output the electrolytic water to the water tank. The tubular structure connects to the inlet tube and the outlet tube to provide the electrolytic water to pass through.
Absstract of: CA3228670A1
The present invention is directed to an apparatus for producing hydrogen peroxide, comprising one or more electrochemical cells, the apparatus further comprising at least one electrically conductive porous gas transport layer disposed next to a cathode gas diffusion layer, the gas transport layer being configured to deliver a flow of oxygen-containing gas towards the cathode gas diffusion layer and being configured to collect current, further including water which is configured to flow through the porous gas transport layer.
Absstract of: KR20240111436A
촉매의 활성을 높이는 산소발생반응 촉매가 제공된다. 본 발명의 일 실시예는, (S1) 양파껍질 분쇄물이 침지된 금속염 수용액을 교반하여 예비촉매를 제조하는 단계; 및 (S2) 상기 예비촉매를 하소(Calcination)하여 산소발생반응 촉매를 제조하는 단계를 포함하는, 산소발생반응 촉매의 제조방법을 제공한다.
Absstract of: CN118345445A
本发明公开了一种便携式电解水制氢测试装置及电解槽测试方法,包括机箱、纯水供给组件、氢气检测组件和供电组件,纯水供给组件包括水净化模块、水箱、循环水泵、供给水泵,供给水泵的进口与水箱连接,水箱连接有用于回水的回水接头、用于检测水质的水质检测器,供给水泵的出口连接有供水接头;氢气检测组件包括依次连接的回气接头、气液分离器和气体流量计;供电组件还包括程控电源,程控电源设有供电接头。根据需要测试需要,程控电源输出合适的电流电压,以及水净化模块将水净化至合适的水质要求,从而可匹配电解槽不同的运行工况。
Absstract of: CA3240045A1
The invention relates to a method for sealing an electrolysis cell comprising an anode half-cell (2) and a cathode half-cell (3) formed by at least two cell elements (4, 5) and a sheet-like separator (6) separating the half-cells (2, 3) from one another, the method comprising providing the two cell elements (4, 5) and the sheet-like separator (6), interposing the separator (6) between the two cell elements (4, 5) and interposing a layer of sealing material (7, 8) between each side of the separator (6) and the two cell elements (4, 5) in a respective rim region (9, 10) of the cell elements (4, 5), and sealing the electrolysis cell (1), wherein a force (F) is applied to the cell elements (4, 5) to compress the rim regions (9, 10), wherein the sealing material (7, 8) is an electrically isolating material and during the sealing step the state of the sealing material is changed from a liquid state to a solid state to create an adhesive bond between the cell elements (4, 5) and the interposed separator (6) by means of the sealing material (7, 8), wherein the force (F) is relieved after the sealing material has solidified. The invention further relates to a sealed electrolysis cell obtainable by this method.
Absstract of: CN118345396A
本发明公开了一种电解乙醇水溶液制备氢气的系统及方法,涉及氢气制备技术领域,电解乙醇水溶液制备氢气的系统包括氢气制备单元、原料供给单元和碱液再生单元,氢气制备单元包括反应池和电解单元,电解单元包括电源及连接电源的阳极块和阴极块,阳极块和阴极块均位于反应池。原料供给单元包括连接反应池的乙醇供给单元和水供给单元。碱液再生单元包括相连接的药剂储罐和再生反应器,再生反应器的进口端和出口端均与反应池管路连通,药剂储罐的药剂能够与反应池反应之后的残留液体在再生反应器的药剂反应生成碱液并回流至反应池。由于二氧化碳能够被碱性电解质溶液中的碱原位吸收,所以二氧化碳不会被排出至空气中造成环境破坏。
Absstract of: CN118343681A
本发明公开了一种利用改性氮化碳制备过氧化氢的方法,该方法是利用改性氮化碳对水进行光催化反应,其中改性氮化碳是以氰胺类前驱体为原料、天然海盐和含碘无机盐为改性剂经煅烧后制备得到。本发明中,通过利用天然海盐和含碘无机盐共同作为改性剂对氮化碳进行改性,不仅能实现多元素掺杂,而且也能丰富缺陷结构,使改性氮化碳具有多元素掺杂和丰富的氰基结构缺陷的双重优势,由此制得的改性氮化碳具有光吸收能力强、光生载流子分离效率高、选择性高、光催化活性高等优势,表现出非常优异的光催化性能,其可在可见光下可高效还原氧气生成过氧化氢,具有成本低、产率高等优点,能够实现过氧化氢的低成本、大规模制备,使用价值高,应用前景好。
Absstract of: WO2023106075A1
In this water electrolysis device operation method, a voltage is applied to a water electrolysis cell such that a current having a target current value flows in the water electrolysis cell, and the current flowing in the water electrolysis cell is stopped when the voltage applied to the water electrolysis cell has risen to or higher than a predetermined threshold value during the progress of water electrolysis reaction.
Absstract of: CN118343859A
本发明公开了一种四方相金属硫化物及其衍生物,呈四方晶系结构;其表面包括至少一个(001)晶面;所述结构空间群为P4/nmm构型,具有高度对称性。本发明还公开了上述四方相金属硫化物、衍生物的制备方法及其在电水解制氢催化剂方面的应用。本发明制得的四方相金属硫化物及其衍生物均具有大的比表面积,高的化学稳定性,良好的导电性和高的催化活性,能够有效降低水解制氢过程中的反应活化能,实现替代贵金属Pt催化剂。
Absstract of: CN118345421A
本发明公开了一种电解水制取氢气的多孔复合材料电极及其制备方法,在本发明中将一定量的聚醚砜、聚乙烯吡咯烷酮、N‑甲基吡咯烷酮和金属镍通过球磨的方法混合均匀,然后通过相转化流延的方法制备出了Ni‑PESf电极生胚,洗涤干燥后经过热处理得到灰色的非对称多孔Ni‑PESf电极载体,随后配置含有一定量氯铂酸的电镀液,在非对称多孔Ni‑PESf电极载体上进行电沉积,得到了负载Pt的非对称多孔Ni‑PESf电极材料,即为所述的一种电解水制取氢气的多孔复合材料电极。在整个制备过程中,操作简单,原料成本低,设备投资少,适合批量生产。
Absstract of: CN118345402A
本发明公开了一种AEM电解水制氢一体化集成设备,涉及电解水制氢技术领域,包括:制氢组件,所述制氢组件包括底板,所述底板的顶部设置两个收集组件。本发明使用时,氧气和氢气分别通过两个收集管和两个进气管进入对应的收集瓶中,对氧气和氢气进行收集,氢气收集时会经过温度传感器进行温度检测,方便工作人员根据控制系统上的显示器了解到氢气的温度情况,然后氢气进入冷却器中,利用冷却介质来将热量从氢气中带走,从而实现氢气的降温,接着氢气经过导热管,绝热材料吸收氢气残余热能,通过导热管将残余热量传递到外部,辅助降低氢气温度,避免收集瓶收集氢气时温度升高,影响储存和处理。
Absstract of: CN118345401A
本发明公开了一种等离子体射流电解装置及方法,装置包括电解槽、等离子体射流发生装置,等离子体射流发生装置的高压电极与交流激励电源电性连接,蒸汽发生器为等离子体射流发生装置的反应腔体供给水蒸气;两个直流电极分别被等离子体射流发生装置产生的等离子体射流包裹,两个直流电极分别连接直流激励电源的正极和负极,用于产生传导电流的等离子体射流电极,等离子体射流电极接入所述电解槽对水进行电解;同时部分等离子体在直流激励电源的激励下直接发生得失电子的化学反应,生成氢气和氧气。本发明将等离子体作为电解电极,克服了强碱环境对电极腐蚀的问题,降低了电解系统的电阻率,提高了制氢系统的电流密度和制氢效率。
Absstract of: CN118341489A
本发明适用于光催化技术领域,提供了碳化镍(Ni3C)纳米颗粒修饰硫化镉(CdS)纳米线的制备方法,其包括:氯化镉,三水合二乙基二硫代氨基甲酸钠,分别溶于水中,并将两溶液混合搅拌,离心,干燥后溶于乙二胺后进行溶剂热反应,所得产物离心,洗涤,冻干得到CdS纳米线。将CdS和乙酸镍,溶于油胺,通过高温反应后将产物离心,洗涤,冻干,得到CdS/Ni3C纳米线催化剂。本发明得到的CdS/Ni3C分散性好,结构稳定;使用本发明的方法得到的CdS/Ni3C纳米线产氢量达到21439μmolg‑1h‑1,且循环12 h后,依旧能保持良好的产氢性能。同时还能有效降解诺氟沙星(NFX)、左氧氟沙星(LEV)、盐酸四环素(TCH)等抗生素以及染料活性红2(RR2)和罗丹明B(RhB),在60 min内,降解性能达到86%~98%。
Absstract of: CN118341975A
本发明属于钛合金充氢方法技术领域,具体涉及一种简易热处理充氢方法。将样品和含氢化合物粉末封于真空石英管中,放入热处理炉进行热处理,采用该方法实现不同温度、时间、冷却速率的充氢处理,具体包括以下步骤:(1)准备合适尺寸的样品,满足真空石英管的制备要求;去除样品表面氧化层和有机沾污,称量含氢化合物粉末,与样品一起封入真空石英管中;(2)热处理前将管内粉末摇匀,将石英管平放于热处理炉内,热处理温度高于300℃,且高于含氢化合物粉末分解出氢气温度,时间1~4小时。本发明实用性强,操作简便,成本较低,且充氢效果良好,具有较好的推广价值。
Nº publicación: KR20240110805A 16/07/2024
Applicant:
EVONIK OPERATIONS GMBH [DE]
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Absstract of: AU2022390119A1
The present invention relates to an electrochemical cell (0) comprising an anode (1), a cathode (2) and an anion-conducting membrane (3) located between the anode (1) and the cathode (2). The invention also relates to the use of the cell (0) in a method for preparing hydrogen (H