Experimental Investigations on Highly Conducting Solid Bio-Polymer Electrolytes Based on Latex of Calotropis gigantea Plant |
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| Authors: | Neha Taneja Patrizia Bocchetta Ashwani Kumar Pallavi Gupta Meenal Gupta Pushpa Singh Bharti Beniwal Namrata Agrawal Yogesh Kumar |
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| Institution: | 1. Department of Physics, Sharda School of Basic Sciences and Research, Sharda University, Greater Noida, 201310 India;2. Dipartimento di Ingegneria dell'Innovazione, Università del Salento, via Monteroni, Lecce, 73100 Italy;3. Nanoscience Laboratory, I. I. C., Indian Institute of Technology, Roorkee, 247667 India;4. Department of Electronics and Communication Engineering, Sharda University, Greater Noida, 201310 India;5. Department of Zoology, Ramjas College, University of Delhi, New Delhi, 110007 India;6. Department of Physics, Shivaji College, University of Delhi, Delhi, 110027 India;7. Department of Physics, Swami Shraddhanand College, University of Delhi, New Delhi, 110036 India;8. Department of Physics, A R S D College, University of Delhi, New Delhi, 110021 India |
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| Abstract: | The study has prepared highly conducting polymer electrolyte films using solution cast technique with poly(vinylidene fluoride-co-hexafluoropropylene) PVDF-HFP, mixture of ethylene carbonate (EC), and propylene carbonate (PC) as plasticizer and latex of Calotropis gigantea (CGL) as an ionic source. In this study, four films are prepared using PVDF-HFP:CGL in ratio 1:1 with the increasing concentration of EC+PC as 1, 2, 3, and 4 M named as 1:1:1, 1:1:2, 1:1:3, 1:1:4. The prepared polymer electrolyte is examined by polarized optical microscopy (POM), elemental dispersive X-ray technique (EDX), and complex impedance spectroscopy. EDX and POM are studied for the surface morphology of all prepared samples and to investigate the porous nature of films. The enhancement in ionic conductivity occurs due to CGL and increasing amount of EC-PC. Conductivity of highest composition (1:1:4) polymer electrolyte film is found to be ≈10?3 S cm?1. The optimized polymer electrolyte film is considered as a promising candidate for application in supercapacitors. |
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| Keywords: | plasticizer poly (vinylidene fluoride-co-hexafluoropropylene) polymer electrolyte supercapacitor thermal stability |
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