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Ultrahigh–energy density lead-free dielectric films via polymorphic nanodomain design

Science, 2019
Ultrahigh energy density dielectric film Dielectrics help hold charge as capacitors and are fundamental energy storage components. Improving energy density and other properties may help these materials be more competitive with batteries for energy ...
Haowei Pan   +14 more
semanticscholar   +1 more source

A mini-review on the dielectric properties of cellulose and nanocellulose-based materials as electronic components.

Carbohydrate Polymers, 2022
Cellulose-based materials have the advantages of renewable, non-toxic, flexible, and strong mechanical properties, so it of is great significance to study the dielectric properties of cellulose-based materials.
Qiguan Luo, H. Shen, G. Zhou, Xuezhu Xu
semanticscholar   +1 more source

Advanced Dielectric Materials for Triboelectric Nanogenerators: Principles, Methods, and Applications

Advances in Materials
Triboelectric nanogenerator (TENG) manifests distinct advantages such as multiple structural selectivity, diverse selection of materials, environmental adaptability, low cost, and remarkable conversion efficiency, which becomes a promising technology for
Yi Li   +10 more
semanticscholar   +1 more source

Bio‐Inspired Hybrid Dielectric for Capacitive and Triboelectric Tactile Sensors with High Sensitivity and Ultrawide Linearity Range

Advances in Materials, 2021
The trade‐off between sensitivity and linearity is critical for preserving the high pressure‐resolution over a broad range and simplifying the signal processing/conversion of flexible tactile sensors.
B. Ji   +5 more
semanticscholar   +1 more source

Dielectric Siphons

Science, 1971
The normally weak polarization force density, exerted on insulating dielectric liquids by a nonuniform electric field, is enhanced if high pressures are used. The result is a new class of orientation and guiding structures for liquids: electric "walls" contain the liquid. The dielectric siphon is an example of such a system. A simple laminar flow model
T B, Jones, M P, Perry, J R, Melcher
openaire   +2 more sources

Dielectric Absorption and Theories of Dielectric Behavior

Transactions of the American Institute of Electrical Engineers, 1926
The first report of the Committee on Electrical Insulation of the Division of Engineering and Industrial Research of the National Research Council laid a plan for a review of existing data and information and its coordination, looking to a comprehensive plan of experimental attack. The whole field was divided into a number of divisions which have since
openaire   +1 more source

Dielectric nanocomposite with high dielectric permittivity and low dielectric loss

2015 IEEE Electrical Insulation Conference (EIC), 2015
Dielectric flexible nanocomposites featuring ferroelectric barium titanate nanoparticles embedded in poly(vinylidene fluoride) (PVDF) matrix were fabricated by a miscible-immiscible coagulation method followed by hot pressing. The SEM images showed good distribution of nanoparticles with very little particle agglomeration.
Youngho Jin   +2 more
openaire   +1 more source

Asymmetric Trilayer All‐Polymer Dielectric Composites with Simultaneous High Efficiency and High Energy Density: A Novel Design Targeting Advanced Energy Storage Capacitors

Advanced Functional Materials, 2021
Polymeric dielectrics have attracted intensive attention worldwide because of their huge potential for advanced energy storage capacitors. Thus far, various effective strategies have been developed to improve the inherent low energy densities of polymer ...
Liang Sun   +8 more
semanticscholar   +1 more source

Dielectric relaxation and dielectric fluctuations

Journal of Physics C: Solid State Physics, 1978
The relation between the frequency dependent dielectric constant and the fluctuations in the dielectric polarisation is re-examined from the standpoint of Felderhof's macroscopic theory of electric and magnetic fluctuations. Contributions of the electronic degrees of freedom to the polarisation are included in the formalism; they are treated as an ...
openaire   +1 more source

The influence of the dielectric constant in dielectric resonator antennas

2016 International Conference on Communications (COMM), 2016
This paper presents a comparison between dielectric resonator antennas with different dielectric constant parameter of the resonator. The antenna is fed with microstrip line. The dielectric resonators have cylindrical geometry. In HFSS software program, the simulations are up to compare the antennas' behavior as a function of different parameters, such
Madalina-Varvara Moni   +4 more
openaire   +1 more source

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