Results 1 to 10 of about 10,435 (120)

Energy storage properties of P(VDF‐TrFE‐CTFE)‐based composite dielectrics with uniform and gradient‐doped boron nitride nanosheets

open access: yesIET Nanodielectrics, 2022
Dielectric capacitors play an important role in advanced electronic and power systems such as portable electronic devices, hybrid electric vehicles and electronic weapon systems, and the improvement of energy storage density will have a positive effect ...
Yanan Shang   +8 more
doaj   +1 more source

Self-assembled wide bandgap nanocoatings enabled outstanding dielectric characteristics in the sandwich-like structure polymer composites

open access: yesNano Convergence, 2022
Polymer dielectrics are insulators or energy storage materials widely used in electrical and electronic devices. Polymer dielectrics are needed with outstanding dielectric characteristics than current technologies.
Tian-Yu Wang   +8 more
doaj   +1 more source

Significantly improved high-temperature energy storage performance of commercial BOPP films by utilizing ultraviolet grafting modification

open access: yesiEnergy, 2022
Commercial biaxially oriented polypropylene (BOPP) film capacitors have been widely applied in the fields of electrical and electronic engineering. However, due to the sharp increase in electrical conduction loss as the temperature rises, the energy ...
Qingguo Chi   +8 more
doaj   +1 more source

Tunable polarization-drived superior energy storage performance in PbZrO3 thin films

open access: yesJournal of Advanced Ceramics, 2023
Antiferroelectric PbZrO3 (AFE PZO) films have great potential to be used as the energy storage dielectrics due to the unique electric field (E)-induced phase transition character. However, the phase transition process always accompanies a polarization (P)
Tiandong Zhang   +7 more
doaj   +1 more source

Effect of Temperature on Space Charge Distribution in Two Layers of Transformer Oil and Impregnated Pressboard Under DC Voltage

open access: yesIEEE Access, 2020
The space charge accumulation is an important factor to design the oil-pressboard composite insulation of convertor transformer, which is greatly affected by the temperature.
Jinfeng Zhang   +4 more
doaj   +1 more source

Investigation of structural and electrical characteristics of PZT ceramics modified with donor and acceptor dopants [PDF]

open access: yesCerâmica, 2023
Lead-based (PZT) ferroelectric ceramic materials were prepared utilizing the solid-state reaction method as a pure and doped with different additives.
M. N. Al-Aaraji, A. H. Uqla
doaj   +1 more source

Low-Frequency Vibration Sensor with a Sub-nm Sensitivity Using a Bidomain Lithium Niobate Crystal

open access: yesSensors, 2019
We present a low-frequency sensor for the detection of vibrations, with a sub-nm amplitude, based on a cantilever made of a single-crystalline lithium niobate (LiNbO3) plate, with a bidomain ferroelectric structure.
Ilya V. Kubasov   +9 more
doaj   +1 more source

Measurement Method of Physical Parameters of Two-Phase Flow Based on Dual-Frequency Demodulation

open access: yesSensors, 2023
Oil-water two-phase flow commonly occurs in the process of crude oil electric dehydration. Here, through dynamic changes in the water content and conductivity of oil-water two-phase flow in the process of electric dehydration, the influence of water ...
Chunhui Song   +4 more
doaj   +1 more source

NEW VAPOR DEPOSITED DIELECTRIC POLYMER THIN FILMS FOR ELECTRONIC APPLICATIONS [PDF]

open access: yesJournal of Engineering Science (Chişinău), 2022
Dielectric materials are of great interest in a vast amount of applications ranging from cable insulation to advanced electronic devices. The emerging trend of device miniaturization is creating an increased demand for dielectric thin films that can be ...
SCHRÖDER, Stefan   +5 more
doaj   +1 more source

Abnormal Time-Domain Current Spectrum of Inorganic Insulating Powder under DC Voltage

open access: yesEnergies, 2022
The total current of dielectrics under DC voltage consists of relaxation current and conduction current, which contains the information about the relaxation polarization and conduction.
Yucui Xue   +4 more
doaj   +1 more source

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