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Towards sustainable solid-state supercapacitors: electroactive conducting polymers combined with biohydrogels

Pérez-Madrigal, Maria M. ; Estrany, Francesc ; Armelin, Elaine ; Díaz, David Díaz ; Alemán, Carlos



Abstract

Solid-state organic electrochemical supercapacitors (OESCs) have been fabricated using poly(3,4-ethylenedioxythiophene) (PEDOT) electrodes, a biohydrogel as electrolyte system, and polyaniline fibers as redox additive. The effectivity of sodium alginate, kappa-carrageenan, chitosan and gelatin hydrogels as electrolytic media has been evaluated considering different criteria. Results indicate that ...

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