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dc.contributor.authorSudhakar, Y.N.
dc.contributor.authorSelvakumar, M.
dc.contributor.authorBhat, D.K.
dc.identifier.citationMaterials for Renewable and Sustainable Energy, 2015, Vol.4, 3, pp.-en_US
dc.description.abstractA new borax cross-linked biodegradable solid polymer electrolyte based on hydroxyethyl cellulose and phosphoric acid (H3PO4) was prepared. Characterizations of doped and undoped SPE were done using Fourier transform infrared spectroscopic and electrochemical studies. The ionic conductivity of the films increased with increase in acid concentration and the ionic conductivity obtained at 303 K was 4.1 10-3 S cm-1. Furthermore, effects of acid concentration on ionic conductivity and activation energy were discussed. Dielectric studies showed long tail-like feature indicating capacitive nature. A supercapacitor was fabricated and its electrochemical characteristics were studied. The supercapacitor showed a fairly good specific capacitance of 83 F g-1 at 2 mV s-1 and galvanostatic charge-discharge studies showed the mirror-like pattern with 98 % columbic efficiency. Cyclic stability was measured up to 2000 cycles. 2015 The Author(s).en_US
dc.titlePreparation and characterization of phosphoric acid-doped hydroxyethyl cellulose electrolyte for use in supercapacitoren_US
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