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789
resultados
Última actualización
15/09/2026 [08:08:00]
Resultados 300 a 325 de 789
Resumen de: CN122522288A
本发明属于催化剂制备技术领域，具体涉及一种Co负载型Cs2PtI6钙钛矿材料及其制备方法、应用，所提供的Co负载型Cs2PtI6钙钛矿材料，利用Cs2PtI6为载体，配位锚定钴前驱体，调控制备工艺，在温和条件下实现了钴纳米颗粒原位负载。利用钴与Cs2PtI6钙钛矿形成的紧密耦合异质界面优化电荷传输效率，及光辅助电催化，提高了析氢催化剂的催化性能。
Resumen de: CN122522287A
0001 本发明属于材料合成及电催化制氢技术领域，涉及一种面向波动工况的高稳定性含Ce高熵合金氧化物催化剂及其制备方法与碱性析氢/析氧催化应用，以镍盐、钴盐、铁盐、钌盐、铈盐为原料与有机配体通过水热法在载体基底上制备高熵MOF前体，再通过管式炉热解得到NiCoFeRuCe五元高熵合金氧化物；其具有碱性析氢和析氧双功能，在碱性析氢波动工况下电位保持率为98.44%。本发明制备方法简单，成本低，得到的NiCoFeRuCe五元高熵合金氧化物材料在波动工况下具有优异的稳定性，适于大力推广，市场前景广阔。
Resumen de: CN122522295A
0001 本发明公开了一种梯度浓度添加非贵金属溶液的合金制氢催化剂制备方法，包括：基底预处理、合金型催化剂前驱体的制备、梯度混合溶液的添加等步骤。通过上述方式，本发明梯度浓度添加非贵金属溶液的合金制氢催化剂制备方法，通过梯度浓度溶液添加的方式，表现出远超传统催化剂的高活性、高稳定性与高性价比。
Resumen de: CN122522327A
0001 本发明提供一种电解槽故障检测系统、方法、装置、终端设备及计算机可读存储介质，电解槽故障检测系统包括双极板组件、光纤传感器和控制器；光纤传感器设置在流道网结构上，光纤传感器被配置为获取双极板组件内沿光纤传感器的延伸方向的温度分布数据；控制器被配置为：根据光纤传感器获取的温度分布数据计算每个测量点的电流密度；判断多个测量点的电流密度是否均匀，多个测量点的电流密度不均匀时，确定双极板组件发生故障。光纤传感器获取沿光纤传感器的延伸方向的温度分布数据，控制器根据光纤传感器获取的温度分布数据计算每个测量点的电流密度，在多个测量点的电流密度不均匀时，控制器判断双极板组件发生故障。
Resumen de: CN122522316A
本发明属于新能源纳米材料技术以及电解水制氢领域，具体涉及一种含非对称Fe‑Se‑Ru位点的富硒空位硒化钌电催化剂及其制备方法与应用。电催化剂由富硒空位的立方相RuSe2及非对称Fe‑Se‑Ru位点构成。其制备方法包括以下步骤：水热法合成前驱体粉末，再对粉末在惰性气氛环境下焦耳加热处理，即可得到含非对称Fe‑Se‑Ru位点的富硒空位硒化钌电催化剂。本发明催化剂在碱性水和碱性海水条件下表现出优异的析氢性能，分别实现10 mA·cm‑2电流密度下仅12 mV和20 mV的过电位，且在自组装的膜电极1000 mA·cm‑2电流密度下稳定运行1000小时，展现出卓越的电化学稳定性和工业应用潜力。
Resumen de: CN122517028A
0001 本发明公开了一种氨裂解制氢用的镍铝氧化物催化剂、制备方法及应用，属于催化剂技术领域，本发明提供了一种氨裂解制氢用的镍铝氧化物催化剂，用于解决现有技术中合成镍基催化剂的过程中，易产生大量固废液、不耐高温稳定性差的技术问题。本发明合成的镍铝氧化物催化剂由NiO相和NiAl<2>O<4>相组成；所述催化剂以氧化物质量计，包含27%‑59%的NiO和41%‑73%的Al<2>O<3>。所述催化剂的制备方法，包括以下步骤：镍的前驱体和铝的前驱体混合、高温焙烧，即为制备的氨裂解制氢用的镍铝氧化物催化剂。本发明采用固相法合成催化剂，工艺简化高效、过程无废水废气产生。部分NiAl<2>O<4>相的存在有助于提高镍铝氧化物催化剂的稳定性和耐高温性。
Resumen de: CN122522043A
本发明公开了一种Pt基金属间化合物及其制备方法，所述Pt基金属间化合物的化学式为Pt3ScxTm1‑x，x=0.2~0.8，所述Pt基金属间化合物由铂源、钪源、铥源、碳载体、形貌调节剂经碳热还原反应制得。本发明成功向Pt基金属间化合物中引入Tm元素，Tm独特的4f轨道电子的调控作用，显著优化了Pt3Sc的电子结构，增强了电催化析氢反应（HER）活性、催化稳定性，展现出了巨大的能源应用前景。
Resumen de: US20260229568A1
The invention relates to a system for solid-state electricity storage and solid-state electricity generation that allows electricity to be stored when the renewable energy sources produce excess electricity and electricity to be generated when the electricity demand on the market exceeds the electricity production from renewable energy sources. The system comprises a solid-state electricity storage device having a first electrolysis device for producing chlorine from a melt of zinc chloride and solid zinc, a second electrolysis device for producing hydrogen from water, a first reactor for producing hydrogen chloride, and a vessel with a water sprayer for producing hydrochloric acid. The system further comprises a solid-state electricity generation device having a second reactor for reacting zinc and hydrochloric acid to produce hydrogen and a fuel cell for generating electricity.
Resumen de: WO2026164246A1
Provided is an adhesive sheet which comprises a substrate layer comprising a polymer having a sulfur atom in the molecule and an adhesive layer disposed on the substrate layer on the side of one surface thereof, wherein the adhesive layer comprises a styrene-based block copolymer and a tackifier.
Resumen de: US20260226631A1
An electrolyte solution comprising an electrolyte, wherein the electrolyte is used in an amount ranging between 1 wt % to 10 wt % of the electrolyte solution; an ionic liquid, wherein the ionic liquid is used in an amount ranging between 1 wt % to 5 wt % of the electrolyte solution; and a solvent, wherein the solvent is used in an amount ranging between 75 wt % to 98 wt % of the electrolyte solution.
Resumen de: US20260226638A1
An electrode for use in the electrolysis of water under alkaline conditions, comprising a nickel metal substrate, a ceramic material with a perovskite-type structure comprising an oxide of at least one metal selected from among lanthanides including lanthanum, cerium and praseodymium, where said ceramic material is forming a coating on said nickel metal substrate, and metal nanoparticles are socketed into the said ceramic material. The metal nanoparticles facing the alkaline solution have electrochemical activity, whereas the metal nanoparticles facing the said metal substrate form an anchoring points between the metal substrate and the said ceramic material.
Resumen de: US20260226637A1
The present disclosure concerns an electrocatalytic system and methods of the use thereof for the generation of hydrogen at both electrodes. In aspects, the present disclosure concerns an anode of a copper-silver bimetallic alloy, Cu3Ag7, and a basic anolyte with an aldehyde therein. The aldehyde reacts with the hydroxyl groups from the catholyte to produce hydrogen and the catholyte reacts water therein with the electrons from the anolyte to also produce hydrogen in a highly Faradaic efficient system. Application of the present disclosure not only provides for production of clean hydrogen, but also offers an approach for aldehyde decontamination.
Resumen de: US20260225881A1
0000 Provided herein are water-reactive aluminum compositions comprising aluminum or an alloy thereof and an activating metal alloy (e.g., a non-eutectic activating metal alloy comprising bismuth, tin, indium, and gallium; or an activating metal alloy comprising bismuth, tin, and indium). Some water-reactive aluminum compositions provided herein contain no gallium. Also provided herein are methods of activating aluminum to provide water-reactive aluminum compositions. Further provided are fuel mixtures comprising the water-reactive aluminum compositions described herein and water-reactive aluminum compositions with increased gallium content; and methods of providing hydrogen and/or steam using the water-reactive aluminum compositions described herein.
Resumen de: US2024240328A1
0000 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.
Resumen de: US20260226640A1
The invention relates to a bipolar plate (34) for an electrolyzer (44), wherein the bipolar plate (34) comprises a plurality of media channels (36), i.e. at least one H2O inlet port (38), an H2O/O2 outlet port (40), and an H2 outlet port (42). Bipolar plates (34), in the form of repeating components (48), are arranged in the electrolysis cell stack (46) of the electrolyzer (44) one over the other, each of which is arranged so as to seal a port (38, 40, 42), such that an insert seal (56) is fixed on an X/Y plane (86) between two respective bipolar plates (34) lying one over the other. The invention additionally relates to the use of the bipolar plate (34) in an electrolysis cell stack (46) of an electrolyzer (44).
Resumen de: US20260225903A1
0000 A system and method of producing ammonia comprises reacting a nitrogen feed gas and a hydrogen feed gas in a reactor to form ammonia, wherein the reaction produces a reaction mixture comprising ammonia gas, unreacted nitrogen and unreacted hydrogen, absorbing the ammonia from the reaction mixture in an absorber column containing an absorber, the absorber comprising a support and a metal halide, outputting the ammonia absorbed by the absorber, and recycling the unreacted nitrogen and unreacted hydrogen.
Resumen de: AU2024406508A1
A separator for alkaline water electrolysis comprising: - a porous support (100) and on at least one side of the support, in order: - an optional porous layer including a Polymer A (200), and - a non-porous layer including a Polymer B (300), characterized in that the separator is obtainable by coating on the porous support (100) or the optional porous layer (200) a Polymer B solution having a viscosity of at least 400 mPa.s, measured at 20°C and a shear rate of 100 s-1, and wherein the separator has a Bubble Point, measured according to ASTM F316, of at least 5 bar.
Resumen de: WO2026162628A1
System (100) for exploiting hydrogen (H2) produced as by-product by a chlor-alkali plant (10) comprising a compressor (20), a storage unit (30) and a power generation unit (40). The compressor (20) is fluidly coupled to the chlor-alkali plant (10) and is configured to receive and compress the hydrogen (H2) produced by the chlor-alkali plant (10) so to discharge a compressed hydrogen flow (CH2). The storage unit (30) is fluidly coupled to the compressor (20) and is configured to receive and store the compressed hydrogen flow (CH2) at least for a predetermined time and to discharge a stored hydrogen flow (SH2). The power generation unit (40) is fluidly coupled to the storage unit (30) and is configured to receive a first hydrogen flow (HF1) of the stored hydrogen (SH2) as a fuel and/or one or more external fuels (F), so to perform a combustion and produce electrical power (E1) and/or mechanical power (M1). The power generation unit (40) is further electrically coupled to the chlor-alkali plant (10) and/or mechanically coupled to the compressor (20) so that the electrical power (E1) produced by the power generation unit (40) is supplied to the chlor-alkali plant (10) and/or at least part of the mechanical power (M1) is used to drive the compressor (20).
Resumen de: WO2026162388A1
The present disclosure relates to a green hydrogen power plant (1) comprising a renewable energy generation facility (11); a hydrogen production facility (12); and an 5 energy storage unit (13) to store electrical energy; and a plant controller (14) configured to: determine (101) a total value of electrical energy demanded by the hydrogen production facility (12) to operate continuously during an energy production cycle period of the renewable energy generation facility (11); calculate (102) an energy threshold for the energy production cycle period based on said total value of electrical 10 energy demanded by the hydrogen production facility (12); detect (103) whether the current electrical energy produced at said instant by the renewable energy generation facility (11) reaches the energy threshold; in response of detecting that the current electrical energy produced by the renewable energy generation facility (11) is above or equal to the energy threshold, generate (104) an instruction for controlling the 15 renewable energy generation facility (11) to direct excess electrical energy to the energy storage unit (13); and in response of detecting that the current electrical energy produced by the renewable energy generation facility (11) is below the energy threshold, generate (105) an instruction for controlling the energy storage unit (13) to supply the hydrogen production facility (12) with the stored electrical energy to allow 20 the hydrogen production facility (12) to o
Resumen de: US20260225880A1
The invention provides a system and method for the distributed generation and storage of hydrogen utilizing solid-state chemicals. Surplus electrical energy from renewable sources, such as solar and wind, is converted into green hydrogen, stored in the form of sodium borohydride (NaBH4). This solid-state storage medium facilitates safe and efficient hydrogen containment, overcoming limitations in transportation and storage. The hydrogen can be regenerated for use in electricity and heat generation across residential, commercial, agricultural, and industrial applications, including refueling facilities. A cycle of NaBH4 synthesis, hydrogen extraction, and regeneration using renewable energy ensures long-term sustainability. This innovation addresses grid intermittency, enables peak shaving, and decentralizes energy systems, contributing to energy security and a low-carbon economy. The process integrates renewable energy, electrochemical synthesis, and catalytic reactions to provide a scalable solution for modern energy challenges, supporting both immediate and long-term energy needs.
Resumen de: WO2026162948A1
A system comprising an electrolyser cell stack of electrolyser cell units, a separation unit and a Fischer-Tropsch reactor unit and a method for operating the system. The method comprising providing fuel to a fuel volume of the electrolyser cell stack, wherein the fuel comprises steam and carbon dioxide and is provided to the fuel volume at a first temperature. The method comprises powering the electrolyser cell stack with electrical energy thereby converting, at least partially, the steam into hydrogen and oxygen, wherein hydrogen is released into the fuel volume and oxygen is released into an oxygen volume. Carbon dioxide and hydrogen are at least partially converted into carbon monoxide and water in the fuel volume. Powering the electrolyser cell stack comprises controlling a voltage supplied at an endothermic value.
Resumen de: WO2026163573A1
The present invention reduces fluctuation of a grid voltage due to generated power from a renewable energy power generation system by adjusting a load of a water electrolysis system. This control device for a water electrolysis system, which is connected to a grid via an interconnection point shared with a renewable energy power generation system for outputting generated power generated using renewable energy to at least the grid and produces hydrogen by electrolyzing water upon reception of the output of the generated power, is characterized by including: a renewable energy-generated power acquisition unit that acquires renewable energy-generated power that is generated power outputted by the renewable energy power generation system; and a water-electrolysis-system load command-value setting unit that sets a value obtained by multiplying the acquired renewable energy-generated power by a prescribed proportional gain, as a command value for a water electrolysis load of the water electrolysis system.
Resumen de: US20260225080A1
0000 An oxygen evolution reaction (OER) catalyst for reaction in acidic media comprising: a Ru(M1M2M3M4)O<2 >catalyst, wherein the Ru(M1M2M3M4)O<2 >catalyst comprises an M1, an M2, an M3 and an M4 co-doped in ruthenium oxide (RuO<2>), wherein M1 is chosen from Cr, Fe, Co, Ni, Cu, Zi, Al, Ga, Ge, Mg, La and combinations thereof, wherein M2 is chosen from Cr, Fe, Co, Ni, Cu, Zi, Al, Ga, Ge, Mg, La and combinations thereof, wherein M3 is chosen from Cr, Fe, Co, Ni, Cu, Zi, Al, Ga, Ge, Mg, La and combinations thereof, and wherein M4 is chosen from Cr, Fe, Co, Ni, Cu, Zi, Al, Ga, Ge, Mg, La and combinations thereof.
Resumen de: US20260225878A1
0000 A hydrogen production system utilizes Floquet-engineered photonic excitation and at least one dielectric laser excitation unit, including an Ava-assisted dielectric laser amplifier accelerator (AADLAA), under integrated quantum AI control. The system employs a multi-chamber architecture comprising a first dissociation chamber, a second dissociation chamber for partially processed effluent, and a purification and reinjection chamber. Catalyst-free water dissociation is achieved using synchronized laser modulation, AI-directed routing, and adaptive feedback. An AI-regulated safety network provides photonic alignment control, thermal and pressure management, gas purity safeguards, predictive hazard modeling, and fail-safe isolation. A thermal recovery module captures heat from one or more chambers for feedwater preheating and energy stabilization. The modular architecture supports upgrades in optics, safety, and energy inputs, including solar thermal, nuclear waste-heat, and geothermal sources. Purified hydrogen, oxygen, and water vapor are recovered, compressed, and selectively reinjected for closed-loop operation, achieving high efficiency with reduced entropy loss.
Nº publicación: US20260225879A1 06/08/2026
Solicitante:
SAUDI ARABIAN OIL CO [SA]
Saudi Arabian Oil Company
Resumen de: US20260225879A1
A method of multi-stage ammonia cracking to produce hydrogen (H2), the method including providing a pressurized ammonia (NH3) to a first reactor including a first hydrogen-selective membrane tube at a first pressure. The method further includes catalytically cracking the NH3 within the first reactor to form H2 and nitrogen (N2). A first permeate from the first membrane tube includes the H2, and a first retentate from the first membrane tube includes unreacted NH3. The method further includes recovering the first permeate as a pressurized H2 product stream. The method further includes providing the first retentate to a second reactor including a second hydrogen-selective membrane tube at a second pressure that is lower than the first pressure. The method further includes catalytically cracking the unreacted NH3 within the second reactor to form additional H2 and N2. The method further includes recovering a second permeate as an additional H2 product stream.
BOPI
Sede Electrónica
