Results 41 to 50 of about 171,183 (310)

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

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

Electrical capacitance tomography for flow imaging: System model for development of image reconstruction algorithms and design of primary sensors

open access: yes, 1992
A software tool that facilitates the development of image reconstruction algorithms, and the design of optimal capacitance sensors for a capacitance-based 12-electrode tomographic flow imaging system are described.
Huang, SM   +13 more
core   +1 more source

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

The dielectric studies on sol–gel routed molybdenum oxide thin film [PDF]

open access: yesJournal of Advanced Dielectrics, 2017
The influence of temperature on the dielectric properties of sol-gel routed spin-coated molybdenum trioxide (MoO3) thin film has been investigated. Prepared films were annealed at temperatures 250∘C, 350∘C and 400∘C.
P. Adal Arasu, R. Victor Williams
doaj   +1 more source

Microscopic Origin of Electrochemical Capacitance in Metal-Organic Frameworks

open access: yes, 2023
Electroconductive metal-organic frameworks (MOFs) have emerged as high-performance electrode materials for supercapacitors, but the fundamental understanding of the underlying chemical processes is limited. Here, the electrochemical interface of Cu3(HHTP)
Matthias J., Golomb   +4 more
core   +1 more source

Optimizing Atmospheric Ion Harvesting Electrodes with Graphene for Clean Energy Generation Based on Capacitive Properties and Energy Storage

open access: yesPhysics Communication
The atmosphere is rich in positive ions, rendering it electrically more positive than the Earth's surface. This characteristic presents the atmosphere as a potential source of renewable energy through ion harvesting.
Ghitha Nadhira Azka Rahiemy   +5 more
doaj   +1 more source

Investigation and Improvement of Test Methods for Capacitance and DCESR of EDLC Cells

open access: yesSensors, 2023
The quick and accurate characterization of commercial electrochemical double-layer capacitor (EDLC) cells, especially their capacitance and direct-current equivalent series internal resistance (DCESR), is of great significance for the design, maintenance,
Xiong Xie   +3 more
doaj   +1 more source

Design of sensor electronics for electrical capacitance tomography

open access: yes, 1992
The design of the sensor electronics for a tomographic imaging system based on electrical capacitance sensors is described. The performance of the sensor electronics is crucial to the performance of the imaging system. The problems associated with such a
Huang, SM   +9 more
core   +1 more source

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