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744
results.
Updated on
14/09/2026 [07:03:00]
Results 700 to 725 of 744
Absstract of: CN122399852A
0001 本发明涉及多孔非晶/晶体异质结构CoNiP/CC纳米线催化材料，在碳布上采用水热法和原位低温磷化方法制备，制备周期短、方法简单。本发明还涉及一种上述多孔非晶/晶体异质结构CoNiP/CC纳米线催化材料在电催化分解水制氢的应用，本发明的催化材料具有优秀的析氢性能，具有很好的商业应用价值。
Absstract of: CN122406326A
本发明提供了一种一步电沉积方法合成镍钼铜合金的方法，主要包括如下步骤：采用反应电沉积溶液沉积不锈钢片得到。所述反应电沉积溶液包括：硫酸镍六水合物、钼酸铵、硫酸铜五水合物、柠檬酸钠、以及氯化钠。本发明的优点在于，合成方法简单、成本低廉，显著降低析氢反应的过电势，具有良好的稳定性，表现出极佳的电解水析氢反应催化活性，具有良好的应用前景。
Absstract of: CN122406303A
本发明公开了基于铬调控的PtRu基纳米笼催化剂及制备方法与应用，所述方法包括以下步骤：（1）将钌前驱体、铂前驱体及铬前驱体引入ZIF‑8金属有机骨架材料中，通过反应吸附负载形成中空多孔纳米笼结构的多金属前驱体/ZIF‑8复合物；（2）在含氢还原气氛中对多金属前驱体/ZIF‑8复合物进行热处理，得到PtRuCrZnO中间体；（3）采用酸性刻蚀液去除PtRuCrZnO中间体中的ZnO，得到PtRu基纳米笼催化剂。本发明所得催化剂特别适用于AEMWE体系，为构建低贵金属负载、高效率电解水制氢催化材料提供了一种可规模化实施的技术方案。
Absstract of: 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。
Absstract of: CN122404641A
The invention discloses a preparation method and application of a branched polyaryl piperidine membrane containing multiple aromatic ring units, and belongs to the technical field of fuel cells and water electrolysis hydrogen production anion exchange membranes. According to the invention, a branched polyarylpiperidine main chain is constructed by introducing a multi-aromatic ring branched unit with multiple reaction sites into a conventional linear polyarylpiperidine main chain, so that the bulk density of the main chain is reduced, formation of ion clusters is facilitated, and the conductivity of the membrane is improved. And the branching degree can be regulated and controlled by flexibly adjusting the feeding of the multi-aromatic-ring branched monomer. The conductivity of the branched polyaryl piperidine membrane is increased by more than 26% compared with that of a linear membrane, and the branched membrane has a lower swelling ratio and higher hydrogen-oxygen fuel cell power density and water electrolysis hydrogen production performance.
Absstract of: WO2025143690A1
Provided is a catalyst for an oxygen evolution reaction in a water electrolysis cell, the catalyst comprising: water electrolysis catalyst particles containing a noble metal oxide; and a conductive additive containing a fluorine-doped metal oxide, wherein in the entire fluorine-doped metal oxide, the content of fluorine is 1 at% to 10 at% relative to a total of 100 at% of the components as measured by X-ray photoelectron spectroscopy (XPS).
Absstract of: WO2025135742A1
A control method of a high-temperature water electrolysis system, according to a first embodiment of the present invention, comprises the steps of: determining an operating temperature of a solid oxide water electrolysis stack in a high-temperature water electrolysis system including the solid oxide water electrolysis stack; selecting an operation mode of the solid oxide water electrolysis stack by comparing the operating temperature with a supply temperature of gas supplied to the solid oxide water electrolysis stack; determining a target voltage applied to the solid oxide water electrolysis stack according to the operation mode of the solid oxide water electrolysis stack; and applying the target voltage applied to the solid oxide water electrolysis stack in a step-up manner according to the operation mode of the solid oxide water electrolysis stack.
Absstract of: WO2025135743A1
The present invention provides a water electrolysis stack assembly and a hot box apparatus. In an embodiment, provided is a water electrolysis stack assembly including: a case including an upper surface part, a side surface part, and a gas outflow pipe formed in the side surface part; and a stack accommodated in an inner space of the case, wherein a surface pressure is applied to the stack by the upper surface part of the case.
Absstract of: CN122406271A
0001 本发明公开了一种基于等离子体处理的铱基催化剂及其制备方法，属于催化材料技术领域。该方法包括：将载体与氯铱酸溶液混合分散，通入氮气并升温至80℃恒温搅拌；在氮气保护下滴加KOH溶液调节pH至11‑12，使铱离子沉积于载体表面；然后转移至水热釜中于180℃进行水热反应，经离心洗涤、干燥、研磨，得到催化剂前驱体；再将前驱体置于等离子体处理装置中，通入氩气，在电压20‑40kV、电流0.4‑0.8mA条件下处理0.25‑1h，即得所述铱基催化剂。本发明通过沉积沉淀法结合等离子体处理，实现了铱活性组分的高度分散和表面电子结构的优化，所得催化剂具有过电位低、稳定性好、贵金属用量少等优点，适用于电解水析氧反应。
Absstract of: 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。
Absstract of: CN122406260A
0001 本发明提供了一种镍基磁性中空纤维自支撑电极及其制备方法和在磁场强化水分解反应中的应用，属于电催化功能材料技术领域。本发明通过在镍基体中引入至少一种不同还原电位和扩散速率的过渡金属，利用分子配位调控水热自组装过程，并结合后续热扩散处理，利用不同金属原子热扩散速率差异引发的柯肯达尔效应，在纤维内部形成中空结构，最终实现对纤维表面亚结构形貌、内部中空程度以及磁性能的协同调控，将该电极用于电解水反应时，可采用外磁场增强模式、内场增强模式或磁热辅助模式三种磁场增强模式，显著提升碱性电解水析氢和析氧反应的效率。
Absstract of: CN122406263A
本发明涉及一种具有贯穿孔道结构的气体扩散层及其制备方法和应用，属于PEM电解水制氢技术领域。本发明提供了一种制备具有贯穿孔道结构的气体扩散层的方法，所述方法包括：将除去环氧树脂的碳纤维与分散剂混合后，依次进行解离、疏解、成型、干燥以及压片，得到碳纸前驱体；将碳纸前驱体浸入含树脂、模板扩孔剂和导电剂的浸渍液中浸渍后，依次进行干燥和热压固化，得到碳纸前体；对碳纸前体依次进行高温碳化、去除模板扩孔剂、石墨化以及表面疏水化，得到具有贯穿孔道结构的气体扩散层。所述方法采用硬模板法在气体扩散层制备过程中使其内部形成贯穿的孔道结构，有效降低其内部孔道的迂回度，从而提升PEM电解槽的电化学性能。
Absstract of: CN122406272A
本发明公开了一种自支撑电极及其制备方法和应用，属于电化学电解水技术领域，包括如下步骤：采用第一激光对基底进行预处理，获得具有微纳阵列的基底；将金属前驱体溶解，混合均匀，随后滴在具有微纳阵列的基底上，干燥处理，获得负载前驱体的基底；采用第二激光对负载前驱体的基底进行处理，得到负载合金活性层的自支撑电极。本发明提供的方法制备简单，采用双激光工艺耗时短且结合力强，显著提升了催化剂的析氧反应本征活性与长效稳定性，在质子交换膜水电解及大规模制氢等领域具有极高的工业化应用前景。
Absstract of: 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。
Absstract of: CN122406258A
本发明涉及电解槽叠堆技术领域，公开了一种电解槽叠堆定位辅助装置和电解槽叠堆定位系统，包括：定位环，设有滑道，滑道沿定位环的径向延伸，滑道贯穿定位环的内周面，定位环用于套设于电解槽；传感器，与定位环连接，传感器至少从定位环的轴向一侧面露出；滑动组件，包括滑块，滑块可滑动地设于滑道内，传感器与滑动组件电连接，滑动组件根据传感器的电信号控制滑块沿滑道移动。本发明实施例的电解槽叠堆定位辅助装置利用传感器检测高空中被吊装的极片的位置，然后在极片落位后利用滑块驱动极片位移，以调节极片的位置，无需反复吊起极片来调节位置，提高电解槽的组装效率以及叠堆精度。
Absstract of: CN122399828A
0001 本发明涉及能源转化技术领域，公开了一种B‑NiMo催化剂的制备方法及在海水析氢中的应用，该方法包括以下步骤：S1、将钼盐和镍盐分别用水溶解制成溶液，然后混合，并进行水热反应；反应完成后的料液进行冷却过滤，滤渣干燥，即为催化剂前驱体；将前驱体分散于水中，加入硼氢化钠进行还原反应，反应完毕后洗涤干燥，得到B‑NiMo催化剂。本发明通过硼氢化钠还原钼酸镍，成功合成了硼掺杂钼酸镍纳米复合材料（B‑NiMo），并将其用作高效水制氢催化剂。该 B‑NiMo 在以四羟基二硼（THDB）为牺牲剂的海水制氢反应中表现出优异的催化性能。
Absstract of: CN122406250A
本发明公开了一种新能源光伏驱动温和电解制氢设备，属于光伏制氢技术领域，包括机身、光伏板和环境感知箱，机身设置作业与维生柜、制氢储氢柜、中枢控制柜、储能柜和液压动力柜；光伏板与储能柜电连接，储能柜向制氢储氢柜供电；环境感知箱向中枢控制柜传输环境数据，中枢控制柜联动液压动力柜调节机身姿态并控制光伏板展开或收回；制氢储氢柜用于温和电解制氢及储氢，作业与维生柜配合完成水源处理和氢气外供。该设备能够提高户外复杂环境下光伏供能、制氢、储氢和运行保障的协同稳定性。
Absstract of: CN122418809A
The invention provides an energy management optimization method, system and device for reducing voltage fluctuation and improving hydrogen production efficiency and a storage medium, the method is based on a wind and light hydrogen production system, the wind and light hydrogen production system comprises a power grid unit, a photovoltaic power generation unit, a wind power generation unit and an electrolytic cell unit, the power grid unit is connected with a node 1, and the node 2 is connected with a node 3; the photovoltaic power generation unit is connected with the node 3, the wind power generation unit is connected with the node 4, the electrolytic cell unit is connected with the node 5, and the node 1, the node 3, the node 4 and the node 5 are respectively connected with the node 2. According to the energy management optimization method provided by the invention, reactive power cannot be reversely charged to the power grid, and photovoltaic power and wind power are prevented from releasing redundant reactive power; the wind-solar hydrogen production system can improve the hydrogen production efficiency by optimizing the voltage of the access point of the electrolytic cell unit; the system can improve the hydrogen production efficiency, optimize the line loss and avoid energy waste.
Absstract of: US20260201577A1
0000 The invention pertains to an electrolysis system with a high-pressure electrolyzer for producing hydrogen (H2) and oxygen (O2) at a nominal pressure (PN). The system includes multiple electrolysis cells, each with two half-cells separated by an ion-permeable membrane, forming an anode chamber and a cathode chamber. An oxygen product line connects to the anode chamber, while a hydrogen product line connects to the cathode chamber. The hydrogen and oxygen product lines lead to respective gas separators. The system features compressed gas accumulators for hydrogen and oxygen, enabling pressurized gas to be supplied to the electrolyzer on both sides, with adjustable primary pressures. The invention also includes a method for operating the system, where the electrolyzer is precharged with pressurized gas, and differential pressures are regulated to ensure efficient operation. This system supports both proton-exchange membrane (PEM) and alkaline electrolysis for high-pressure hydrogen and oxygen production.
Absstract of: US20260201588A1
0000 A chemical plant in which an electrolysis section is arranged to receive at least a portion of a first steam feed and electrolyze it to provide a hydrogen stream and an oxygen-enriched stream. A first heat exchanger is arranged to receive at least a portion of the oxygen-enriched stream and a combustion air stream to transfer heat from the oxygen-enriched stream to the combustion air stream. The heated combustion air stream and at least a portion of an off-gas stream are arranged to be combusted in at least one burner to provide a combusted gas stream. The first heat exchanger is arranged to receive at least a portion of the combusted gas stream and said water stream. The first heat exchanger is arranged to transfer heat from the at least a portion of the combusted gas stream to the water stream to provide a cooled combusted gas stream and a steam stream.
Absstract of: US20260200556A1
A method (100) for transporting hydrogen from a floating wind turbine (10) to a watercraft (11) is proposed in order to transport environmentally friendly energy generated by an offshore wind turbine from the offshore wind turbine to land in a simple and safe manner, wherein hydrogen is provided in a holding tank (31) of a floating wind turbine (10), wherein a watercraft (11) with a transportation tank (36) is positioned at the floating wind turbine (10), wherein the hydrogen is conveyed from the holding tank (31) to the transportation tank (36) by means of a line (35) configured to convey the hydrogen.
Absstract of: US20260202385A1
0000 The invention relates to a gas chromatographic system (1000) for detecting volatile organic compounds in an analyte (320) with a gas chromatograph (100) having an injector for injecting analyte (320), a pre-concentrator (120), a column (140) equipped with a stationary phase (141) and a gas detector (150) configured to detect the analyte (320) component eluted from the column (140). The invention suggests an aggregate (160) having an outlet coupled to the gas chromatograph (100) and being configured to receive and process a hydrogen containing medium (330) for generating hydrogen (310) and supplying the hydrogen (310) to the gas chromatograph (100). The invention further relates to such an aggregate (160) and to a method of operating such a chromatographic system.
Absstract of: US20260200820A1
0000 A system for converting CO<2 >to methanol includes a reverse water gas shift (“RWGS”) reactor configured to receive a first CO<2 >stream and a hydrogen gas stream under a sufficient temperature and a sufficient pressure for an RWGS reaction to proceed. The RWGS reactor outputs an exit stream that includes CO. The system also includes a heat exchanger/condenser in fluid communication with the RWGS reactor configured to remove water from products of the RWGS reaction to form a dried exit stream that includes CO; and a membrane contactor reactor configured to receive a combination of hydrogen, CO<2>, and the dried exit stream. The membrane contactor reactor also configured to output a first output stream including methanol dissolved in a sweep liquid and a second output stream including gaseous H<2>, gaseous CO, gaseous CO<2>, and gaseous methanol.
Absstract of: 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.
Nº publicación: US20260201576A1 16/07/2026
Applicant:
DIOXYCLE [FR]
Dioxycle
Absstract of: 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.
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