A natural rubber based electrolyte to be used in EDLCs with Sri Lankan graphite

Super capacitors have emerged as a new link to bridge the gap between batteries and conventional capacitors. In the present study, an electrochemical double layer capacitor (EDLC) was fabricated and its performance was evaluated. The novelty of the investigation is use of Sri Lankan natural rubber (...

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Bibliographic Details
Main Authors: Sanjaya, N.A.A.K., Vidanapathirana, K.P., Perera, K.S.
Format: Conference Proceeding
Language:English
Subjects:
Electrochemical double layer capacitors
Natural graphite
Natural rubber
Solvent casting method
Super capacitors
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Summary:Super capacitors have emerged as a new link to bridge the gap between batteries and conventional capacitors. In the present study, an electrochemical double layer capacitor (EDLC) was fabricated and its performance was evaluated. The novelty of the investigation is use of Sri Lankan natural rubber (NR) and natural graphite (NG) for the electrolyte and electrodes respectively. Cyclic voltammetry test, electrochemical impedance spectroscopy and galvanostatic charge discharge test were the characterization techniques used in the study. Single electrode specific capacity depends on the potential window of cycling and the scan rate. Capacitive properties become dominant at low frequency regions.
ISSN:2214-7853
2214-7853
DOI:10.1016/j.matpr.2019.05.383