Abstract
Experimental studies and model validation thereof on all solid-state electrical double layer capacitors (EDLCs) comprising of a novel, cost-effective, and eco-friendly electrode binder consisting of chitosan chemical hydrogel (CCH), and a separator consisting of ionically cross-linked chitosan hydrogel membrane electrolyte (ICCSHME) are reported. The EDLCs have been assembled with black pearls carbon as electrode. The ICCSHME has been prepared by ionic cross-linking of chitosan (CS) with sodium sulfate. EDLCs comprising 40 % loading of CCH electrode binder and ICCSHME with 1 M NaOH dopant have been studied by galvanostatic chronopotentiometry. The data have been analyzed using mathematical modeling to study lifetime behavior of the EDLCs.
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Acknowledgments
The authors are thankful for the partial financial support of this work by the National Science Foundation (CBET-0828002, CBET-1008692, CBET-1004929), the United States government, McDonnell Academy Global Energy and Environment Partnership (MAGEEP) at Washington University in St. Louis.
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Choudhury, N.A., Northrop, P.W.C., Crothers, A.C. et al. Chitosan hydrogel-based electrode binder and electrolyte membrane for EDLCs: experimental studies and model validation. J Appl Electrochem 42, 935–943 (2012). https://doi.org/10.1007/s10800-012-0469-2
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DOI: https://doi.org/10.1007/s10800-012-0469-2