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721
resultados
Última actualización
13/09/2026 [06:56:00]
Resultados 675 a 700 de 721
Resumen de: CN122406270A
本发明公开了一种泡沫镍负载镍‑钴‑钼磷化物复合材料，首先，以泡沫镍为基底，通过水热法制备泡沫镍负载Ni‑MOF，然后，通过水热法引入钴元素和钼元素，最后，通过磷化处理制得NCM‑P/NF，物相组成为Ni2P和CoMoP2；并且，NCM‑P/NF微观形貌为片状纳米花交错组装形成的三维分级多孔框架结构，Ni、Co、Mo、P元素分布均匀。其制备方法包括以下步骤：1，Ni‑MOF/NF的制备；2，NCM‑MOF/NF的制备；3，NCM‑MOF/NF的磷化。作为电解水析氢/析氧电催化剂应用时，电流密度为10 mA·cm‑2时，HER过电位为70‑80 mV，OER过电位为135‑145 mV；HER塔菲尔斜率为90‑100 mV/dec，OER塔菲尔斜率为24‑26 mV/dec，电化学阻抗值为1‑5 Ω。
Resumen de: CN122399844A
本发明提供一种钴掺杂的ZnCdS/MoS2异质结复合材料，所述异质结复合材料为二硫化钼纳米花与硫化锌镉纳米颗粒形成的异质结结构；其中，钴元素同时掺杂于二硫化钼晶格和硫化锌镉晶格中；所述硫化锌镉纳米颗粒均匀生长在二硫化钼纳米花表面，形成三维分级结构。本发明采用一步水热法、工艺流程简单，制备的异质结复合材料可用于光催化产氢，并且在外加磁场条件下达到更高的产氢效率，可作为理想的光催化产氢催化剂，为后续绿色能源的开发利用提供一个可行性选择。
Resumen de: CN122399675A
本发明涉及一种产氢反应器，尤其是一种硼氢化钠溶液产氢反应器及其使用方法。一种硼氢化钠溶液产氢反应器，包括：壳体，设于反应腔和与反应腔相通的废液排出口；上盖，设于壳体的顶部，且设有进液口、出气口和泄压口；支撑盖，设于反应腔内；以及反应舱，设于支撑盖上，内部设有催化剂，反应舱与进液口相通，反应舱与反应腔之间形成缓冲腔；其中，硼氢化钠反应液通过进液口进入到反应舱内与催化剂接触水解产氢，反应废液由于重力进入到反应腔的底部，产生的氢气入缓冲层并通过出气口排出。本发明提供的一种硼氢化钠溶液产氢反应器通过设置缓冲腔来减少气体冲击，提供稳定可靠的气体产出，结构简单、安全性好、稳定性高。
Resumen de: CN122406296A
本发明公开了一种硼化钴镍纳米片电催化材料及其制备方法，采用泡沫镍为基体，采用镍和钴的混合盐溶液，通过一步还原法将CoNiB负载在泡沫镍上，还原剂为硼氢化钠，通过控制硼氢化钠与金属盐的摩尔比、添加速度调控催化剂的形貌，获得了具有垂直排列片状微观结构的自支撑电极CoNiB/N，本发明的硼化钴镍纳米片电催化材料及其制备方法，生产工艺简单，成本低，通过片状结构增加了反应的活性位点，有利于析氢过程中气体的释放，大幅度提高析氢和析氧反应的催化活性，具有优异的电催化性能。
Resumen de: CN122406275A
一种氧化诱导金属外延浸润制备全包覆负载型材料的方法、全包覆负载型材料及其应用，属于电催化材料技术领域。M’O2@MO2全包覆负载型材料由金红石相氧化物载体MO2和连续覆盖于所述金红石相氧化物载体表面的氧化物外延浸润层M’O2组成。本发明通过将MO2载体材料与可溶性金属源分散于还原性醇类溶剂中，经回流还原沉积得到M’@MO2前驱体，再经氧化热处理形成连续覆盖的M’O2外延浸润层。该方法不依赖气相沉积或真空沉积设备，工艺流程简单，可在较低贵金属用量下实现氧化物载体表面的连续活性氧化物覆盖，提高贵金属活性组分利用效率。所得材料具有良好活性与稳定性，可作为酸性水裂解析氧反应的催化剂。
Resumen de: CN122406280A
本发明涉及电催化材料技术领域，尤其涉及一种高熵 ZnNiCoCuMn MOF‑74 电催化材料的机械球磨制备方法及其应用。本发明将金属盐和有机配体混合，进行球磨反应，得到高熵ZnNiCoCuMn MOF‑74电催化材料；金属盐由锌盐、镍盐、钴盐、铜盐和锰盐组成。本发明克服了传统溶剂热法合成高熵MOF周期长、能耗高、五种金属反应活性差异大易导致分相的问题。所制得的材料具有均一的高熵固溶体结构，金属位点高度分散，且因多元金属间的协同效应展现出优异的析氧反应（OER）催化活性和长期稳定性。
Resumen de: CN122406276A
0001 本发明属于电催化材料技术领域，公开了一种高效碱性水氧化催化剂NiCoS的制备方法及其应用。该方法先对泡沫金属基底进行盐酸‑无水乙醇‑去离子水超声预处理，再采用射频或微波氩氮混合气体非热平衡等离子体进行表面改性，随后通过循环伏安电沉积法在基底表面原位生长三维多孔纳米片结构的NiCoS活性层。本发明工艺简单、成本低廉、绿色环保，可实现大尺寸催化剂的均匀规模化制备。所得催化剂在工业级电流密度下具有优异的催化活性和稳定性，性能显著优于现有商业贵金属催化剂和多数非贵金属催化剂，能够大幅降低电解水制氢的能耗。本发明可广泛应用于碱性电解水制氢、海水制氢及可再生能源耦合制氢系统中。
Resumen de: US20260201582A1
0000 A symmetrical separator membrane for electrolysis of alkaline water and with homogeneous distribution of the pores. The membranes are obtained by dissolving a thermoplastic polymer in a dispersion comprising inorganic filler and organic solvent, degassing the solution, creating a membrane by applying the solution to a permeable medium positioned at the centre, with a double side casting technique in a coagulation bath, washing the membrane with alcohol, and drying the membrane. 0000 The present invention relates to a symmetrical separator membrane for electrolysis of alkaline water and with homogeneous distribution of the pores.
Resumen de: WO2026151905A1
A method for passively producing hydrogen from a geological formation includes drilling a plurality of lateral wellbores into an iron-rich geological formation from a mother wellbore extending from a surface location. Each of the plurality of lateral wellbores has an inclination along its length of less than 90 degrees. A biocide configured to inactivate hydrogen-consuming microbes is placed into the plurality of lateral wellbores and thereby into formation water that is flowed from the geological formation into the plurality of wellbores. Hydrogen gas effervesced from the formation water in the plurality of lateral wellbores is collected via the mother wellbore. The hydrogen gas is generated at least in part from a water reduction reaction of minerals of the geological formation with the formation water and risen through the plurality of lateral wellbores passively by buoyancy effects without pumping.
Resumen de: US20260201576A1
Methods and systems related to valorizing carbon dioxide are disclosed. A disclosed system includes a reverse water gas shift (RWGS) reactor, a carbon dioxide source connection fluidly connecting a carbon dioxide source to the RWGS reactor, an electrolyzer having an anode area and a cathode area, and a carbon monoxide source connection fluidly connecting the RWGS reactor to the cathode area. The RWGS reactor is configured to generate, using a volume of carbon dioxide from the carbon dioxide source connection, a volume of carbon monoxide in an RWGS reaction. The electrolyzer is configured to generate, using the electrolyzer and a reduction of the volume of carbon monoxide from the carbon monoxide source connection and an oxidation of an oxidation substrate, a volume of generated chemicals including hydrocarbons, organic acids, alcohol, olefins, or N-rich organic compounds.
Resumen de: WO2026148798A1
The present application provides an electrode frame, a flow field plate assembly, and an electrolytic cell. The electrode frame is applied to the flow field plate assembly, and is provided with an accommodating cavity, a water inlet, a water outlet, and a first flow distribution channel, the accommodating cavity is configured to accommodate a plate mesh, and the water inlet is in communication with the accommodating cavity by means of the first flow distribution channel. The electrode frame further comprises flow distribution rows, each flow distribution row comprises at least two flow distribution members spaced apart, and the first flow distribution channel is internally provided with at least two flow distribution rows.
Resumen de: US20260204593A1
0000 Aspects of the disclosure include a bipolar plate assembly for an electrolysis cell (electrolyzer). An exemplary bipolar plate assembly for an electrolyzer includes an anode half plate having one or more intake headers, an anode-side flow field coupled to the one or more intake headers, and one or more outtake headers coupled to the anode-side flow field. The anode-side flow field is a dimple flow field having a series of dimples. The bipolar plate assembly further includes a cathode half plate coupled to the anode half plate, the cathode half plate having one or more outtake headers and a cathode-side flow field coupled to the one or more outtake headers. The cathode-side flow field is a land channel flow field having alternating lands and channels.
Resumen de: US20260192290A1
A photocatalytic composite material and a method for manufacturing the same. The photocatalytic composite material includes an inorganic semiconductor particle, an organic semiconductor layer, and an electron-transfer interlayer. The inorganic semiconductor particle is formed of a metal-oxide semiconductor material. The organic semiconductor layer is formed from a conjugated polymer and surrounds an outer periphery of the inorganic semiconductor particle. The electron-transfer interlayer includes a noble metal dispersed, in the forms of single atoms or nanoclusters, on a surface of the inorganic semiconductor particle, and bridges between the inorganic semiconductor particle and the organic semiconductor layer so as to form electron-transport channels.
Resumen de: AU2024420375A1
The purpose of the present invention is to improve the safety of a hydrogen production plant. This hydrogen production plant (1) comprises: a solid oxide electrolysis cell (SOEC) (10) which produces a hydrogen-containing gas; and a discharge stack (30) into which the hydrogen-containing gas produced by the SOEC (10) is introduced and which discharges the introduced hydrogen-containing gas to air. The discharge stack (30) has a spray unit (32) which supplies, to the hydrogen-containing gas introduced therein, cooling water for cooling the hydrogen-containing gas.
Resumen de: US20260201579A1
A hydrogen-producing cell includes a first and second electrode. The first electrode includes a cathode that includes a nickel single-atom graphdiyne porphyrin analogue (Ni-SGPA) catalyst material deposited on a substrate and the second electrode that includes an anode and a reference electrode. The electrolyte includes H2SO4. The cell also includes an electric power supply for applying a pulsed voltage between the foil and a reference electrode and counter electrode. Another hydrogen-producing cell includes a first and second electrode. The first electrode includes a cathode that includes a nickel single-atom graphdiyne porphyrin analogue (Ni-SGPA) catalyst material deposited on a substrate and the second electrode includes an anode and a reference electrode. The electrolyte includes KOH. The cell also includes an electric power supply for applying a pulsed voltage between the foil and a reference electrode and counter electrode.
Resumen de: US20260200730A1
0000 Metal borohydride, Me(BH<4>)
Resumen de: US20260202368A1
A determination device determines deterioration of an electrolyte membrane in an electrochemical device including an electrochemical cell and a volume portion in which gas generated by the electrochemical cell collects. The determination device includes a deterioration determination unit that determines whether or not the electrolyte membrane has deteriorated based on a detection signal of a detection sensor for detecting a current flowing between a first electrode and a second electrode, an output signal of a pressure sensor for detecting a pressure in the volume portion, a gas generation amount calculated from the current, and the pressure in the volume portion.
Resumen de: DE102025101252A1
Reaktionszelle (1) zur solaren Molekülspaltung, die Reaktionszelle (1) aufweisend:- eine Sandwichstruktur (2), gebildet aus einem Bodenelement (3) und einem lichtdurchlässigen Deckelement (4),- eine innerhalb der Sandwichstruktur (2) angeordnete Elektrode (5), ausgebildet zur solaren Molekülspaltung,- eine Zuführeinrichtung (6), ausgebildet zur Zufuhr eines Elektrolyten (7) zu der Elektrode (5), und- eine Abführeinrichtung (8), ausgebildet zur Ableitung eines Reaktionsprodukts (10).
Resumen de: WO2026151653A1
A cation exchange membrane (CEM)-based electro-synthesizer unit, and process of using same, is described, wherein CEM-based electro-synthesizer unit can be coupled to an air contactor, which can scrub carbon dioxide from any air source, and an acid-base neutralizer, which can release the scrubbed carbon dioxide as a pure gas stream. The overall system and process of using same can continuously and efficiently separate CO2 from any air source (i.e., carbon capture).
Resumen de: WO2026151283A1
The present invention provides an AEM water electrolysis system comprising: an electrolytic cell; a cathode separator provided downstream of the electrolytic cell; a degassing device provided downstream of the cathode separator; and an anode separator provided downstream of the degassing device, wherein hydrogen of a KOH solution discharged from a cathode of the electrolytic cell is degassed through the cathode separator and the degassing device, and the KOH solution is continuously supplied to the electrolytic cell through the anode separator.
Resumen de: WO2026150031A1
The disclosure relates to efficient systems (10, 100) and methods for green-hydrogen production. A system (10) for off-grid green-hydrogen production is provided, the system (10) comprising: a renewable-energy source module (1) configured to provide power from one or more renewable-energy sources, an electrolyser module (2) configured to produce green hydrogen based on the power provided by the renewable-energy source module (1), a grid-forming energy-storage module (3) configured to provide grid-forming capabilities to the renewable-energy source module (1) and the electrolyser module (2), a plurality of power-converter modules (C1, C2, C3) configured to allow power flow between the renewable-energy source module (1), the electrolyser module (2), and the grid-forming energy-storage module (3), which are electrically connected to each other, and a central controller (5) configured to control the power flow by controlling the plurality of power-converter modules (C1, C2, C3).
Resumen de: US20260201572A1
0000 A reactor is configured to electrochemically convert hydrogen sulfide to produce hydrogen. The reactor includes a first shell, a second shell, a hydrogen-permeable electrode, and a check valve. The first shell defines a first chamber. The first shell defines a first inlet for water, a second inlet for hydrogen sulfide, and a first outlet for hydrogen sulfide. The second shell defines a second chamber isolated from the first chamber. The second chamber stores hydrogen molecules. The hydrogen-permeable electrode is at least partially disposed within the first chamber. The hydrogen-permeable electrode is permeable to hydrogen atoms originating from the hydrogen sulfide. The check valve allows flow of hydrogen molecules, formed from the hydrogen atoms that have permeated into the hydrogen-permeable electrode, into the second chamber while preventing flow of hydrogen molecules back out from the second chamber through the check valve.
Resumen de: WO2026151470A1
Systems and methods for generating hydrogen. The method includes activating an aluminum composition via alloying with at least one metal, reacting the activated aluminum composition in an aqueous ionic solution to produce hydrogen, and adding a catalyst to the aqueous ionic solution and the activated aluminum composition to increase the reaction rate between the activated aluminum composition and the aqueous ionic solution.
Resumen de: US20260201585A1
A manufacturing process determination method for a determination target molecule includes obtaining an isotope ratio δD of deuterium to protium contained in the determination target molecule; and determining that the determination target molecule is a molecule produced using a method including electrolyzing for generating hydrogen molecules by electrolysis of a liquid containing water when the isotope ratio δD is less than or equal to a predetermined threshold value.
Nº publicación: AU2025211056A1 16/07/2026
Solicitante:
MITSUBISHI HEAVY INDUSTRIES LTD
MITSUBISHI HEAVY INDUSTRIES, LTD.
Resumen de: AU2025211056A1
The purpose of the present disclosure is to provide an electrolytic cell stack capable of increasing the amount of product generated by electrolysis while suppressing the temperature rise of the cell stack. An electrolytic cell stack (101) according to the present disclosure comprises: an electrolysis unit cell (105) that has a hydrogen electrode containing Ni, an oxygen electrode, and a solid electrolyte membrane and is formed in the circumferential direction of a base tube; and an interconnector that electrically connects a plurality of electrolysis unit cells arranged in the axial direction of the base tube. When the distance between the ends of the oxygen electrode, oriented in the axial direction of the base tube, in each electrolysis unit cell is defined as the width W of the electrolysis unit cell, and the area on the base tube in which the plurality of electrolysis unit cells are arranged is divided into a first end portion (10), a central portion (11), and a second end portion (12) along the axial direction, the widths W1, W3 of the electrolysis single cells (105b, 105c) positioned in the first end portion and/or the second end portion is 1.5 to 3 times greater than the width W2 of the electrolysis unit cell (105a) positioned in the central portion.
BOPI
Sede Electrónica
