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656
results.
Updated on
02/09/2024 [07:13:00]
Results 325 to 350 of 656
Absstract of: US2024254633A1
Electrocatalytic materials and methods of making the electrocatalytic materials are provided. Such a method may comprise forming precursor nanosheets comprising a precursor metal on a surface of a substrate; exposing the precursor nanosheets to a modifier solution comprising a polar, aprotic solvent and a metal salt at a temperature and for a period of time, the metal salt comprising a metal cation and an anion, thereby forming modified precursor nanosheets; and calcining the modified precursor nanosheets for a period of time to form an electrocatalytic material comprising structurally modified nanosheets and the substrate, each nanosheet extending from the surface of the substrate and having a solid matrix. The solid matrix defines pores distributed throughout the solid matrix and comprises a precursor metal oxide and domains of another metal oxide distributed throughout the precursor metal oxide; or the solid matrix comprises the precursor metal oxide and nanoparticles of the another metal oxide distributed on a surface of the solid matrix.
Absstract of: KR20240117291A
본 발명은 NiFe 수산화물 촉매를 포함하는, 알칼리 수전해 전극의 안정성 증진을 위한 조성물에 관한 것이다.
Absstract of: WO2023114518A2
A construct including an anode, a cathode, at least one electrolyte, a catalyst in contact with at least one of the anode or the cathode, and a passivation coating disposed on a surface of the catalyst, and the passivation coating comprises a passivation material selected from a metal oxide, a metal hydroxide, a metal oxyhydroxide, or a metal carbonate, or a mixture thereof, wherein the metal is a transition metal, an alkaline earth metal, a lanthanide series metal, aluminum or silicon.
Absstract of: CA3236978A1
Herein discussed is an electrochemical reactor comprising a first electrode, wherein the first electrode is liquid when the reactor is in operation; a second electrode having a metallic phase and a ceramic phase, wherein the metallic phase is electronically conductive and wherein the ceramic phase is ionically conductive; and a membrane, wherein the membrane is positioned between the first and second electrodes and is in contact with the first and second electrodes, wherein the membrane is mixed conducting. Also discussed herein is a method of producing hydrogen or carbon monoxide comprising: (a) providing an electrochemical reactor having an anode, a cathode, and a membrane between the anode and the cathode, wherein the anode is liquid when the reactor is in operation and wherein the membrane is mixed conducting; (b) introducing a feedstock to the anode; (c) introducing a stream to the cathode, wherein the stream comprises water or carbon dioxide.
Absstract of: EP4406644A1
The present invention relates to an oxidation catalyst for anion exchange membrane water electrolysis that exhibits excellent catalytic activity, electrical conductivity and a large surface area, and a preparation method thereof, an anode for anion exchange membrane water electrolysis and an anion exchange membrane water electrolysis system, each including the same.The oxidation catalyst for anion exchange membrane water electrolysis of the present invention includes a spinel-based oxide, and is prepared by precisely controlling the use of complexing agent and the pH using a co-precipitation method, whereby the oxidation catalyst can reduce the catalyst particle size to facilitate uniform dispersion of high viscosity and has a nano-sized flake structure, which makes it possible to uniformly coat the ionomer between flakes, and forms a porous structure, thereby widening the surface area and achieving excellent catalytic activity.
Absstract of: EP4407071A1
A separator (3) for an electrochemical device (9), comprising: a. A porous carrier (1) having two, respectively a first and a second, largest parallel sides (15, 16) separated by a thickness, and b. A hydrogel (10), made of a first metal oxide (12) and an aqueous medium, present within the first of both largest sides (15) and in at least part of the thickness.
Absstract of: EP4407072A1
Provided is a method of producing a diaphragm for alkaline water electrolysis in which formation of macrovoids is suppressed. The present invention relates to a method of producing a diaphragm for alkaline water electrolysis that includes a porous layer, the method including a step of obtaining the porous layer using a composition that contains an organic polymer, inorganic particles, a solvent, and a compound represented by the following formula (1): R-X (1), wherein R represents a hydrocarbon group having six or more carbon atoms and X represents a hydrophilic functional group.
Absstract of: CN118407073A
本发明提供了一种阴离子交换膜电解水用镍铁析氧气体扩散电极及其快速构筑方法。该电极的快速构筑方法，包括步骤如下：将预处理的泡沫镍铁置于盐酸水溶液中进行电化学刻蚀，之后经洗涤、干燥，得到阴离子交换膜电解水用镍铁析氧气体扩散电极。本发明采用“一步法”数分钟内快速构筑阴离子交换膜电解水镍铁析氧气体扩散电极。该方法利用多孔泡沫镍铁作为气体扩散层，在超低浓度盐酸溶液中，通过对电极/电解质界面构建阳极电场，增强氯离子吸附作用，耦合酸性环境，直接在泡沫镍铁的表面进行刻蚀，在基底上原位合成高比表面积的镍铁基催化剂。该制备方法快速可控，方法简单，成本低，合成条件温和，并且该催化剂具有优异的催化活性和稳定性。
Absstract of: CN118407068A
本发明公开了一种双碱性耦合制氢汇总设备，涉及电解水制氢技术领域。本发明提供一种双碱性耦合制氢汇总设备，包括有底板，底板上固定连接有AEM电解槽，底板上固定连接有耦合控制器，耦合控制器与AEM电解槽通过电线连接，底板上固定连接有碱性电解槽，碱性电解槽与耦合控制器通过电线连接，碱性电解槽和AEM电解槽之间连通有输气管道。通过耦合控制器将电能分配给AEM电解槽和碱性电解槽进行同步制氢，制氢过程中，耦合控制器根据新能源发电负荷的实际情况，自动调节碱性电解槽和AEM电解槽的运行状态，碱液制氢技术成本较低，而PEM制氢技术在负荷波动时起到调节作用，降低了整体制氢成本的同时也能保持制氢效率的稳定。
Absstract of: CN118403630A
本发明公开了一种Au单原子与Pt亚纳米团簇共负载的催化剂及其制备方法和应用，包括以下步骤：1)采用强碱条件下的水热法制备TiO2纳米线；2)基于所述TiO2纳米线，采用低温氢气还原法合成Au单原子负载的TiO2光催化剂；3)基于步骤2)所得Au单原子负载的TiO2纳米线制备Au单原子与Pt亚纳米团簇共负载的催化剂，该催化剂的光催化产氢活性较高，且制备成本低。
Absstract of: CN118407069A
本发明公开了一种减少工业级碱性水电解槽旁路电流的组件及电解槽，所述组件包括适配于中间极板的液体通道或气液混合通道的第一组件、适配于端板入口的液体通道或出口的气液混合通道的第二组件以及适配于端板末端的液体通道或气液混合通道的第三组件，所述第一组件、第二组件和第三组件的数量均至少为一个，所述第一组件、第二组件和第三组件的材质为耐碱耐高温的绝缘材质；所述第一组件设置有第一通孔和第一流道，所述第一通孔和第一流道连通。工业级碱性水电解槽内加装本发明的组件后，阻断了垂直于公共通道方向上的电流传输，本发明的组件结构简单，适配性强，能够有效地减小旁路电流，提高电流利用率和制氢效率。
Absstract of: AU2022425599A1
The present invention relates to the use of a solid desiccant containing at least one kaolin compound, for drying wet gas comprising traces of alkali hydroxide. The invention also relates to the method for drying wet gas comprising traces of alkali hydroxide, comprising at least one step of bringing said wet gas into contact with a solid desiccant containing at least one kaolin compound.
Absstract of: KR20230040835A
The problem to be solved by the present invention is to provide a method for manufacturing a water electrolysis catalyst including cobalt phosphide nanoparticles, which does not use a wet method and has excellent performance as a water electrolysis catalyst, and a water electrolysis catalyst. The present invention relates to a method for manufacturing a water electrolysis catalyst including cobalt phosphide nanoparticles, including the steps of: manufacturing cobalt phosphide nanoparticles; and coating an electrode with the cobalt phosphide nanoparticles.
Absstract of: CN118407087A
本发明涉及一种导电片层无机物掺杂的复合隔膜及制备方法和应用，属于碱性电解水隔膜材料领域，包括聚合物支撑层、导电片层无机物掺杂层，所述聚合物支撑层具有多个通孔；所述导电片层无机物掺杂层包覆聚合物支撑层的表面，且至少填充通孔的部分；导电片层无机物掺杂层具有多个微孔，导电片层无机物掺杂层包括聚合物树脂、亲水性金属氧化物、导电片层无机物，且亲水性金属氧化物、导电片层无机物掺杂于聚合物树脂中。本发明能够降低复合隔膜的面电阻，提高复合隔膜的离子传导效率，从而提高电解槽整体电解效率，降低系统能耗。
Absstract of: CN118403661A
本发明提供一种光催化析氢水凝胶的制备方法。所述光催化析氢水凝胶的制备方法为将高效寡聚体受体TDY‑α或TDY‑β与给体材料共混后，先制备得到纳米颗粒的悬浮液，而后加入水凝胶前驱体材料，混合均匀后，再加入促凝胶化材料，即得到水凝胶溶液，可直接使用，也可根据实际需求进一步后处理得到水凝胶薄膜、水凝胶微球，水凝胶干燥微球等。本发明提供的技术方案所制备的负载有机光催化剂纳米颗粒的光催化析氢水凝胶具有良好的析氢效率，且可进一步根据实际需求制备得到水凝胶薄膜、微球等，可以有效降低二次污染，便于回收和循环使用，拓宽了光催化水凝胶的应用场景。
Absstract of: CN118407060A
本发明公开了一种多功能海水电解的高熵合金催化剂及其制备方法和应用，所述制备方法包括：将铁源、镍源、钴源、锰源、铑源和第一溶剂混合至均匀，得到金属盐溶液；将所述金属盐溶液和碳基底混合，搅拌1～20h，再加入还原剂，搅拌1～20h，洗涤，干燥，得到黑色粉末；在保护气体氛围下，将所述黑色粉末于100～1000℃保温1～5h，冷却至室温，得到高熵合金催化剂。本发明的高熵合金催化剂可应用于阴极析氢反应、阳极析氧反应、肼氧化反应、两电极体系中海水电解制氢和水合肼辅助海水电解制氢。
Absstract of: CN118407062A
本发明提供一种基于湿气发电机的自维持电解水制氢系统，包括电解水模块、供电模块和湿气供应模块；所述电解水模块包括电解池、电解液、银片电极、铂丝电极和开关；所述供电模块包括湿气发电机阵列；所述湿气发电机包括功能性吸湿膜、银电极和导电碳带电极；所述功能性吸湿膜包括依次设置的海藻酸钠层、过渡层和壳聚糖季铵盐层；所述银电极和所述导电碳带电极分别作为正极和负极；所述湿气发电机阵列的正极与所述银片电极通过导线相连接，负极与所述铂丝电极通过导线相连接；所述湿气供应模块通过水的自然蒸发为所述供电模块持续的提供湿气环境。本发明的技术方案解决了现有的电解水制氢存在能源不可再生、造成环境污染等问题。
Absstract of: CN117396636A
Discussed herein is an electrochemical reactor comprising a hybrid conductive membrane wherein the membrane comprises an electronically conductive phase and an ionically conductive phase wherein the reactor is capable of electrochemically reforming a hydrocarbon wherein the electrochemical reforming reaction involves exchange of ions through the membrane to oxidize the hydrocarbon. Further discussed herein is a method of generating hydrogen comprising: providing an electrochemical (EC) reactor having a hybrid conductive film; introducing a first stream comprising hydrocarbons to the reactor; introducing a second stream comprising water to the reactor; and reducing the water in the second stream to produce hydrogen, where the first stream and the second stream are not in contact with each other in the reactor, and where the hydrocarbons are electrochemically reformed in the EC reactor.
Absstract of: CN117859221A
The present invention provides a decentralized and compact energy generation system that uses ammonia to store power and uses ammonia or H2 to generate power and heat, and is suitable for use by a single family or in small commercial buildings.
Absstract of: CN117651788A
A solid oxide cell stack has an integrated interconnect and spacer by bending an excess portion of a plate interconnect 180 DEG to form a spacer portion on top of the interconnect and connected to the interconnect at least by a bend, and it also provides a securing portion for the contact enabled layer on at least one side of the integrated interconnect and spacer.
Absstract of: US2024247381A1
A water electrolysis apparatus includes: a power source; an electrolytic solution; a first tank immersed in the electrolytic solution and including a positive electrode connected to the power source, a supply opening and a discharge opening for H2O, and an O2 gas extraction opening; and a second tank immersed in the electrolytic solution and including a negative electrode connected to the power source, a supply opening and a discharge opening for H2O, and an H2 gas extraction opening. O2 gas is extracted from the first tank, and H2 gas is extracted from the second tank, by the power source maintaining voltage such that the potential of the positive electrode is higher than the potential of the negative electrode.
Absstract of: US2024240328A1
A water electrolysis stack in which a water electrolysis cell is laminated, a water supply side path for supplying water to the water electrolysis stack, and a hydrogen side path for recovering hydrogen generated from the water electrolysis stack are provided, and the water supply side path includes a pump which is a power source for supplying water to the water electrolysis stack, an ion exchanger arranged between the pump and the water electrolysis stack, a bypass which is a path for flowing water from the pump to the water electrolysis stack without passing through the ion exchanger, a valve for adjusting an amount of water flowing to the bypass, and a controller for adjusting a valve.
Absstract of: JP2024100633A
【課題】日本政府は、ほぼ、１００％輸入に頼っているエネルギーの現状を世界的に，ＣＯ２ゼロ化を目指している、世界事情の流れから水素は、日本初の新世代エネルギーを開発し普及させることが必須である。これを達成するためには、最大の課題である「水素生成コストの安い方式」「水素生成ＣＯ２フリー化」の２点である。電気分解に替わる水素生成方式の技術開発が急務である。【解決手段】本発明装置は、１０００ｍの滝口から水が落下し最下部の水流域へ、落下加速度エネルギーを増加しながら水が上部から落下し、落下地点の流域に加速度を得ながら加圧溶解する。本発明装置は、自然の摂理を応用したシステムである。それは、水溶液から水素分子（Ｈ２）を常温常圧の環境下にて安全安心の環境で生成が可能である。且つ。環境負荷は電気分解等と対比しても電気代換算から非常に少ない水素生成方法である。【選択図】図１
Nº publicación: CN118390089A 26/07/2024
Applicant:
安徽工业大学
Absstract of: CN118390089A
本发明公开了一种阳离子缺陷型氢氧化镍电催化剂的制备方法及其在电解水中的应用，其制备步骤是：配制硫酸镍和乌洛托品的水溶液，然后置于水热反应釜在并于200℃烘箱中反应10h，待降至室温，取出、清洗，得到氢氧化镍产物；配制氢氧化钾溶液氯化钾水溶液并置于水热釜内胆中，将预制备的氢氧化镍用聚四氟乙烯支架固定在水热釜内胆中间部位，保持水溶液不与氢氧化镍接触，进行水热反应，自然冷却至室温，取出清洗、干燥，得到阳离子缺陷型氢氧化镍电催化剂。将制备的阳离子缺陷型氢氧化镍用作电催化分解水的电极材料，表现出优异的电催化氧析出活性。
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