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  • Voltage Dependence of Supercapacitor Capacitance

    • A. Szewczyk
    • J. Sikula
    • V. Sedlakova
    • J. Majzner
    • P. Sedlak
    • T. Kuparowitz

    - Metrology and Measurement Systems - 2016

    Electronic Double-Layer Capacitors (EDLC), called Supercapacitors (SC), are electronic devices that are capable to store a relatively high amount of energy in a small volume comparing to other types of capacitors. They are composed of an activated carbon layer and electrolyte solution. The charge is stored on electrodes, forming the Helmholtz layer, and in electrolyte. The capacitance of supercapacitor is voltage- dependent. We...

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  • MEASUREMENT OF NOISE IN SUPERCAPACITORS

    A developed method and measurement setup for measurement of noise generated in a supercapacitor is presented. The requirements for noise data recording are considered and correlated with working modes of supercapacitors. An example of results of low-frequency noise measurements in commercially available supercapacitors are presented. The ability of flicker noise measurements suggests that they can be used to assess quality of tested supercapacitors.

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  • Methods of Assessing Degradation of Supercapacitors by Using Various Measurement Techniques

    This article presents the qualitative analyses of the construction of supercapacitor samples. The analyses are based on the suggested thermographic measurements as well as the technique of testing the inherent noise of the investigated element. The indicated assessment methods have been referred to the currently used parameters for the qualitative evaluation of supercapacitors. The approach described in this paper, which introduces...

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Uzyskane stopnie/tytuły naukowe

  • 2003-04-15

    Nadanie stopnia naukowego

    dr inż. Dziedzina nauk technicznych ()
    Institut Polytechnique de Grenoble, uznanie stopnia: Politechnika Gdańska, WETI, 04.10.2003

wyświetlono 538 razy