Results 41 to 50 of about 453,181 (168)

Cross‐scale Material‐Structure Synergy for 2D Metamaterials: Toward Customizable Intelligent Electromagnetic Manipulation in Multiphysics Fields

open access: yesAdvanced Science, EarlyView.
Recent advances in metasurface‐enabled low‐observable technologies are reviewed from the perspective of cross‐scale material–structure synergy. Electromagnetic, thermal, optical, and acoustic stealth are highlighted together with dynamic tuning, programmable coding, data‐driven inverse design, artificial intelligence, multispectral compatibility, and ...
Shuhao Wang   +5 more
wiley   +1 more source

One Step Production of Silver-Copper (AgCu) Nanoparticles

open access: yesMetals, 2021
AgCu nanoparticles were prepared through hydrogen-reduction-assisted Ultrasonic Spray Pyrolysis (USP) and the Hydrogen Reduction (HR) method. The changes in the morphology and crystal structure of nanoparticles were studied using different concentrated ...
Münevver Köroğlu   +4 more
doaj   +1 more source

Carbon‐Based Electrodes for Sodium‐Ion Batteries: Material Design, Electrochemical Performance, and Challenges

open access: yesCarbon and Hydrogen, EarlyView.
Carbon‐based electrodes, including graphite, graphene, and CNT composites, are promising candidates for sodium‐ion batteries due to their stability, conductivity, and abundance. Their electrochemical performance, key limitations, and strategies for improving practical SIB applications are highlighted.
Talha Munir   +3 more
wiley   +1 more source

Recovery of Magnetic Particles from Wastewater Formed through the Treatment of New Polycrystalline Diamond Blanks

open access: yesWaste, 2023
Cobalt’s pivotal role in global development, especially in lithium-ion batteries, entails driving increased demand and strengthening global trading networks. The production of different waste solutions in metallurgical operations requires the development
Saliha Keita   +6 more
doaj   +1 more source

High Entropy–Driven Performance Enhancement in Perovskite Oxides for Energy Conversion and Storage Systems

open access: yesCarbon Energy, EarlyView.
High‐entropy perovskite oxides enable tunable structures and properties through multi‐cation disorder and entropy stabilization. This review summarizes advances in synthesis, structural and defect engineering, and their applications in OER/ORR, CO2RR, and electrochemical energy storage, highlighting in situ characterization and modeling that clarify ...
Obeylaw Moyo   +8 more
wiley   +1 more source

Ultrasonic spray pyrolysis of surface modified TiO2 nanoparticles with dopamine

open access: yes, 2013
Spherical, submicronic TiO2 powder particles were prepared in the low temperature process of ultrasonic spray pyrolysis (150 degrees C) by using as a precursor aqueous colloidal solutions consisting of surface modified 45 angstrom TiO2 nanoparticles with
Milosevic, Olivera B.   +10 more
core   +6 more sources

Continuous high-temperature rapid nanomanufacturing of electrocatalysts

open access: yesNano Research
Encapsulating metal nanoparticles in carbon shells (Metal@C) to enhance catalytic activity and stability has been certified feasible. However, most existing methods for preparing Metal@C are complex, time-consuming, and lack of scalability. In this study,
Xiaoyang Wang   +9 more
doaj   +1 more source

Durable Fuel Cell Cathode Enabled by Pt Embedded Nanoscale Carbon Network via a Scalable Process

open access: yesCarbon Energy, EarlyView.
Platinum nanoparticles embedded nanoscale carbon network (Pt‐e‐Cn) are developed via a scalable flame spray pyrolysis process. Proton exchange membrane fuel cells (PEMFC) employing mesoporous Pt‐e‐Cn cathode electrocatalysts exhibit exceptional durability without compromising performance.
Suriya Venkatesan   +10 more
wiley   +1 more source

Synthesis of LiFePO4 by Ultrasonic and Nozzle Spray Pyrolysis

open access: yes, 2011
Lithium iron phosphate LiFePO4 (LFP) is one of the promising new cathode materials for next generation lithium secondary batteries. Various synthesis strategies have been proposed to create LiFePO4 particles with maximum efficiency.
Binnewies, Michael   +7 more
core   +1 more source

Photoluminescence Emission and Structure Study in ZnO:Ag nanorods

open access: yesIndonesian Journal of Applied Physics, 2015
Scanning electronic microscopy (SEM) andX ray diffraction (XRD) have been applied to the study of structural and optical properties of ZnOnanocrystals prepared by the ultrasonic spray pyrolysis (USP) at different temperatures.
Erick Velázquez Lozada   +2 more
doaj   +1 more source

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