Results 1 to 10 of about 107,364 (117)

Improved Breakdown Strength and Restrained Leakage Current of Sandwich Structure Ferroelectric Polymers Utilizing Ultra-Thin Al2O3 Nanosheets [PDF]

open access: yesNanomaterials, 2023
Flexible capacity applications demand a large energy storage density and high breakdown electric field strength of flexible films. Here, P(VDF-HFP) with ultra-thin Al2O3 nanosheet composite films were designed and fabricated through an electrospinning ...
Yi Zeng   +4 more
doaj   +2 more sources

Breakdown Characteristic Research on Propylene Carbonate After Nano-Modification

open access: yesFrontiers in Physics, 2022
Propylene carbonate (PC) has the advantages of great permittivity, high breakdown strength, and great environmental adaptability. However, the applications of propylene carbonate in pulsed power systems have been restricted by the significant polarity ...
Zhang Zicheng   +5 more
doaj   +1 more source

Enhanced energy storage properties of amorphous BiFeO3/Al2O3 multilayers

open access: yesJournal of Materials Research and Technology, 2021
The energy storage density of ferroelectric thin film capacitors is mainly limited by the breakdown strength. Here we demonstrate that the high breakdown strength and high energy storage density can be achieved by constructing BiFeO3/Al2O3 ...
Ze Li   +8 more
doaj   +1 more source

Prediction of breakdown strength of cellulosic insulating materials using artificial neural networks [PDF]

open access: yesJournal of Advanced Dielectrics, 2018
In this research work, a few sets of experiments have been performed in high voltage laboratory on various cellulosic insulating materials like diamond-dotted paper, paper phenolic sheets, cotton phenolic sheets, leatheroid, and presspaper, to measure ...
Sakshi Singh, M. M. Mohsin, Aejaz Masood
doaj   +1 more source

Prediction of Energy Storage Performance in Polymer Composites Using High‐Throughput Stochastic Breakdown Simulation and Machine Learning

open access: yesAdvanced Science, 2022
Polymer dielectric capacitors are widely utilized in pulse power devices owing to their high power density. Because of the low dielectric constants of pure polymers, inorganic fillers are needed to improve their properties.
Dong Yue   +7 more
doaj   +1 more source

Research on the Influence of Typical Soil Parameters on Critical Breakdown Field Strength and Residual Resistivity Based on Discharge Topography

open access: yesEnergies, 2021
Partial discharge of soil occurs when a lightning current enters the ground, and the strength of partial discharge is closely related to the magnitude of its critical breakdown field strength.
Donghui Luo   +5 more
doaj   +1 more source

DC breakdown characteristics of XLPE/BNNS nanocomposites considering BN nanosheet concentration, space charge and temperature

open access: yesHigh Voltage, 2020
Breakdown failure in insulation material is one of the key problems that threaten the safe operation of high-voltage direct current cable. In this work, the effect of boron nitride nanosheets (BNNSs) concentration, space charge and temperature on DC ...
Guochang Li   +6 more
doaj   +1 more source

Breakdown Voltage of Transformer Oil Containing Cellulose Particle Contamination With and Without Bridge Formation Under Lightning Impulse Stress

open access: yesIEEE Access, 2021
This study investigates the effect of cellulose bridge formation on insulating oil. Such effect influences the breakdown voltage and strength of mineral oil (MO) under standard lightning impulse (LI) voltage.
Sarizan Bin Saaidon   +4 more
doaj   +1 more source

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