Results 41 to 50 of about 616,241 (324)

Facile Fabrication of Polyaniline/Pbs Nanocomposite for High-Performance Supercapacitor Application

open access: yesNanomaterials, 2022
In this work, a polyaniline/lead sulfide (PANI/PbS) nanocomposite was prepared by combining the in situ oxidation polymerization method and the surface adsorption process. This nanocomposite was applied as a supercapacitor electrode.
Ahmed Gamal   +6 more
doaj   +1 more source

Structural disorder determines capacitance in nanoporous carbons

open access: yesScience
The difficulty in characterizing the complex structures of nanoporous carbon electrodes has led to a lack of clear design principles with which to improve supercapacitors. Pore size has long been considered the main lever to improve capacitance. However,
Xinyu Liu   +7 more
semanticscholar   +1 more source

Is negative capacitance FET a steep-slope logic switch?

open access: yesNature Communications, 2020
The negative-capacitance field-effect transistor(NC-FET) has attracted tremendous research efforts. However, the lack of a clear physical picture and design rule for this device has led to numerous invalid fabrications.
W. Cao, K. Banerjee
semanticscholar   +1 more source

Useful Quantities and Diagram Types for Diagnosis and Monitoring of Electrochemical Energy Converters Using Impedance Spectroscopy: State of the Art, Review and Outlook

open access: yesBatteries
The concept of pseudocapacitance is explored as a rapid and universal method for the state of health (SOH) determination of batteries and supercapacitors.
Peter Kurzweil   +3 more
doaj   +1 more source

Effect of exopolysaccharide from Ganoderma applanatum on the electrical properties of mouse fibroblast cells line L929 culture using an electric cell-substrate impedance sensing (ECIS) – Preliminary study

open access: yesAnnals of Agricultural and Environmental Medicine, 2016
Introduction In recent years there has been intensified research on medicinal preparations of fungal origin. Some fungal polysaccharides may directly affect the inhibition of cancer cells proliferation which, stopping the cell cycle, leads to apoptosis ...
Monika Prendecka   +8 more
doaj   +1 more source

Nanoscale capacitance: a classical charge-dipole approximation

open access: yes, 2013
Modeling nanoscale capacitance presents particular challenge because of dynamic contribution from electrodes, which can usually be neglected in modeling macroscopic capacitance and nanoscale conductance.
Gonzalez, Jonathan   +3 more
core   +2 more sources

Chemical capacitance proposed for manganite-based ceramics [PDF]

open access: yes, 2013
The measured value of effective electric permittivity \varepsilon_{eff} of several compounds, e.g., (BiNa)(MnNb)O_{3}, (BiPb)(MnNb)O_{3}, and BiMnO_{3} increases from a value \approx 10-100 at the low temperature range (100-300 K) up to the high value ...
Molak, A.
core   +2 more sources

Nominal and Actual Values of Inductor and Capacitor Parameters at High Frequencies

open access: yesРоссийский технологический журнал, 2019
Coil inductance and capacitor capacitance depend on overall dimensions, structure, and ambient factors. They do not vary with frequency. Reactive component impedance is determined by inductance or capacitance respectively, if active resistance is not ...
E. V. Gurov   +3 more
doaj   +1 more source

Observation of quantum capacitance in the Cooper-pair transistor [PDF]

open access: yes, 2005
We have fabricated a Cooper-pair transistor (CPT) with parameters such that for appropriate voltage biases, the sub-gap charge transport takes place via slow tunneling of quasiparticles that link two Josephson-coupled charge manifolds.
C. Wilson   +9 more
core   +2 more sources

THE QUALITY CONTROL OF ELECTROLYTIC TANTALUM CAPACITORS BY USING THE STRESS TEST

open access: yesПриборы и методы измерений, 2015
The article discusses the accelerated method of analysis the electrolytic tantalum capacitors quality on the basis of the change equivalent series resistance forecast while conducting the STRESS TEST.
P. L. Kuznetsov, V. V. Muraviev
doaj   +1 more source

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