Results 21 to 30 of about 304,222 (342)

Electrochemical Zinc Ion Capacitors: Fundamentals, Materials, and Systems

open access: yesAdvanced Energy Materials, 2021
An electrochemical zinc ion capacitor (ZIC) is a hybrid supercapacitor composed of a porous carbon cathode and a zinc anode. Based on the low‐cost features of carbon and zinc metal, ZIC is a potential candidate for safe, high‐power, and low‐cost energy ...
Jian Yin   +4 more
semanticscholar   +1 more source

Electrospinning Synthesis of Na0.5Bi0.5TiO3 Nanofibers for Dielectric Capacitors in Energy Storage Application

open access: yesNanomaterials, 2022
Dielectric composites based on ferroelectric ceramics nanofibers are attracting increasing attention in capacitor application. In this work, the sol–gel method and electrospinning technology are utilized to prepare one-dimensional Na0.5Bi0.5TiO3 (NBT ...
Yuan Liu   +8 more
doaj   +1 more source

Measurement Procedures for the Electrical Characterization of Oxide Thin Films [PDF]

open access: yes, 2009
This paper describes a measurement system for the electrical characterization of oxide thin films. Such films can be produced using plasma-sputtering processes and permit the realization of a large set of high-performance components, such as capacitors ...
Parvis, Marco   +2 more
core   +1 more source

2.5D Flexible Wind Sensor Using Differential Plate Capacitors

open access: yesSensors, 2021
In this paper, a novel 2.5-dimensional (2.5D) flexible wind sensor is proposed based on four differential plate capacitors. This design consists of a windward pillar, two electrode layers, and a support layer, which are all made of polydimethylsiloxane ...
Yu Wan, Zhenxiang Yi
doaj   +1 more source

Design of a 100 kHz wide bandgap inverter for motor applications with active damped sine wave filter

open access: yesThe Journal of Engineering, 2019
In this study, a three-phase motor inverter with sinusoidal output voltages based on the application of gallium nitride transistors and advanced control is analysed.
Franz Maislinger   +4 more
doaj   +1 more source

Polish origins of the Faculty of Mathematical and Natural Sciences of the University of Fribourg and the Polish contribution to the Fribourg industrial revolution (in Polish) [PDF]

open access: yesPrace Komisji Historii Nauki PAU, 2015
The article is dedicated to high-tech companies founded by Poles at the end of the 19th century in the rural canton of Fribourg in Switzerland. The text is divided into two parts. In the first part, the author attempts to present the economic, social and
Wojciech KOCUREK
doaj   +1 more source

Analysis of the DC-Link Voltage Ripple for the Three-Phase Voltage Source Converter under Nonlinear Output Current

open access: yesEnergies, 2022
The dc-link voltage ripple plays an important role in dc capacitor design for three-phase voltage source converters (VSCs). However, the analytical models of the dc-link voltage ripple have rarely been reported for VSCs with nonlinear output current ...
Shan Li, Lei Yang, Tao Wang
doaj   +1 more source

A Multi-Channel Fast Impedance Spectroscopy Instrument Developed for Quality Assurance of Super-Capacitors

open access: yes, 2021
Conventional experimental methods for testing the performance of super-capacitors include the measurement of capacitance through charge and discharge, measurement of equivalent series resistance (ESR) and measurement of self-discharge and the equivalent ...
Woojin Choi   +4 more
core   +1 more source

Layer-by-Layer Materials for the Fabrication of Devices with Electrochemical Applications

open access: yesEnergies, 2022
The construction of nanostructured materials for their application in electrochemical processes, e.g., energy storage and conversion, or sensing, has undergone a spectacular development over the last decades as a consequence of their unique properties in
Eduardo Guzmán   +2 more
doaj   +1 more source

Electrochemical Capacitors [PDF]

open access: yes, 2020
Electrochemical capacitors are being increasingly introduced in energy storage devices, for example, in automobiles, renewable energies, and mobile terminals.

core   +1 more source

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