Hierarchical porous nickel

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August undefined, 2024

Web4 de abr. de 2024 · Porous sea urchin-like nickel-doped ZnO with various nickel contents and high specific surface area were synthesized using a solution method followed by … Web21 de jul. de 2024 · Supercapacitors have received great attention in the energy storage of flexible wearable electronic products due to their fast charging and discharging. However, low energy density and poor rate performance have always been the main factors limiting their application. Herein, by adjusting the ratio of Ni and Co, optimized porous …

Ir single atoms modified Ni(OH)2 nanosheets on hierarchical …

Web3 de nov. de 2024 · Keywords: electrocataiysis, dealloyed, hierarchal structure, nickel-iron (NiFe), oxygen evolution reduction. Citation: Zhou T, Liu Z, Yang B, Cao Z, Jiang Z, Cui W, Wang K, Yu L, Lu J and Zhang L (2024) Dealloying fabrication of hierarchical porous Nickel–Iron foams for efficient oxygen evolution reaction. Front. Web已主持包括国家自然科学基金项目以及其它国家、部、省、企业等研究课题30余项。. 长期从事纳米材料的设计合成及电化学性能、电化学储能材料、纳米复合材料及表面技术等研究工作。. 获教育部自然科学二等奖一项（第一完成人），主持的项目“化学气相 ... ionbond ihi

Hierarchical Porous Nitrogen‐Doped Carbon Modified …

Web21 de jan. de 2024 · Nitrogen-doped hierarchically porous carbons (HPCs), which are synthesized from benzoxazine resins, were successfully prepared following the processes of polymerization, carbonization, and potassium hydroxide (KOH) activation. As the key factor, the KOH activation temperature influences the pore structure and surface functionality, … Web27 de jan. de 2024 · As a choke point in water electrolysis, the oxygen evolution reaction (OER) suffers from the severe electrode polarization and large overpotential. Herein, the porous hierarchical hetero-(Ni3-xFex)FeN/Ni catalysts are in situ constructed for the efficient electrocatalytic OER. X-ray absorption fine structure characterizations reveal the … Web1 de set. de 2024 · The NiO electrochromic (EC) film with hierarchical porous structure was prepared by hydrothermal method and heat treatment. X-ray photoelectron spectroscope (XPS), scanning electron microscope (SEM), high resolution transmission electron microscope (HRTEM) and X-ray diffractometer (XRD) were employed to … ontario health care for seniors

In situ construction of porous hierarchical (Ni3-xFex)FeN/Ni ...

Hierarchically porous zeolites synthesized with carbon materials …

Web10 de abr. de 2024 · In this context, nickel and cobalt, as excellent non-noble metal catalysts with unique characteristics, have been widely used. So far, different researchers have applied Ni-Co alloys to catalyze HER. For example, Zhang et al. used binary Ni-Co catalysts electrodeposited on porous nickel substrate and investigated the … Web21 de dez. de 2015 · The Ni 2 P/Ni/NF catalysts were prepared by template-free electrodeposition of porous nickel microspheres on nickel foam followed by … ionbond netherlands bvWebIn this study, three-dimensional (3D) hierarchical porous carbon with abundant functional groups is produced through a very simple low-cost carbonization of Artemia cyst shells. The unique hierarchical porous structure of this material, combining large numbers of micropores and macropores, as well as reasonable amount of mesopores, is proven … ion bond firearm finish

"Web8 de jul. de 2024 · Herein, we report a one-step electrodeposition strategy to prepare Ni(OH)2 modified with Ir single-atom catalysts (SACs) (Ir SACs/Ni(OH)2) on an … " - Hierarchical porous nickel

Hierarchical porous nickel

WebNickel–molybdenum bimetallic nitride dendritic nanofilms are obtained by a fast and environmentally friendly N 2-plasma-activation method.The bimetallic nitride film has a … WebA hierarchical porous graphene/nickel anode that simultaneously boosts the bio- and electro-catalysis for high-performance microbial fuel cells Y. Qiao, X. Wu, C. Ma, H. He …

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Web1 de abr. de 2024 · @article{Dai2024SolutionCS, title={Solution Combustion Synthesis of Hierarchical Porous CoNiFeCu0.1 Medium-entropy Alloy: A Highly Efficient and Robust Electrocatalyst for Water Oxidation}, author={Weiji Dai and Xuanyu Yang and Feng Hu and Weiwen Cao and Cuijiao Zhao and Yudong Zhang and Saifang Huang}, journal={Journal … Web2 de abr. de 2016 · Hierarchical nanostructures grown on conductive 3D scaffold materials are excellent candidates for supercapacitor electrodes. Herein, we report the fabrication and electrochemical performance of 3D Ni 3 S 2 nanoporous structures directly grown on nickel foam via a facile and cost-effective one-step process using Ni foam as both the template …

Web24 de mar. de 2024 · Cauliflower-Like Hierarchical Porous Nickel/Nickel Ferrite/Carbon Composite as Superior Bifunctional Catalyst for Lithium-Air Battery. Mattath Athika, ... Web15 de mai. de 2024 · Hierarchical porous nickel based metal-organic framework (Ni-MOF) constructed with nanosheets is fabricated by a facile hydrothermal process with the …

Web2 de abr. de 2016 · Hierarchical nanostructures grown on conductive 3D scaffold materials are excellent candidates for supercapacitor electrodes. Herein, we report the fabrication … WebIn this article, composites consisting of porous Ni cores coated with boehmite/nickel aluminum oxide nanoflakes were successfully prepared by a versatile method. The …

Web23 de out. de 2024 · Hierarchically porous zeolites are promising candidates ... Xi D Y, Yang M, Yu J H. Organosilane surfactant-directed synthesis of hierarchical porous SAPO-34 catalysts with excellent MTO ... Kegnæs S. Synthesis of mesoporous zeolite catalysts by in situ formation of carbon template over nickel nanoparticles ...

Web21 de jul. de 2024 · Supercapacitors have received great attention in the energy storage of flexible wearable electronic products due to their fast charging and discharging. … ontario health care cuts ionbond incWebHá 2 dias · Aiming to design and prepare non-noble metal electrocatalysts for hydrogen production at high current density (HCD), [email protected] LDH hierarchical nanosheets were deposited on nickel foam progressively using a hydrothermal-phosphorization-electrodeposition process. For hydrogen evolution reaction (HER) and oxygen evolution … ontario health care ministerWebHere we report new porous carbon materials obtained by 3D printing from photopolymer compositions with zinc- and nickel-based metal–organic frameworks, ZIF-8 and Ni-BTC, followed by high-temperature pyrolysis. The pyrolyzed materials that retain the shapes of complex objects contain pores, which were produced by boiling zinc and magnetic nickel … ontario health care associationWeb21 de dez. de 2015 · The development of high-performance nonprecious electrocatalysts with both H2 and O2 evolution reaction (HER and OER) activities for overall water splitting is highly desirable but remains a grand challenge. Herein, we report a facile two-step method to synthesize three-dimensional hierarchically porous urchin-like Ni2P microsphere … ionbond jobsWeb4 de ago. de 2024 · Porous N-doped carbons hold good prospects for application in supercapacitor due to their low-cost, large surface area, good surface wettability, high electrical conductivity as well as extra ... ontario health care issuesWeb19 de ago. de 2024 · A hierarchical porous electrocatalyst structure utilizing Ni(OH) 2 nanosheets directly synthesized on Ni foam as the conductive and interconnected … ontario health care budget