Carbon/GO Composite Electrodes and Electrospun Polyacrylonitrile Nanofibrous Electrolyte Membranes Doped with Halogen-Free Imidazole-Based Ionic Liquid for Supercapacitor Device Fabrication

Jonathan N. Patricio; Eduardo C. Atayde Jr.; Menandro C. Marquez; Susan D. Arco

doi:10.4028/www.scientific.net/MSF.936.82

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Carbon/GO Composite Electrodes and Electrospun Polyacrylonitrile Nanofibrous Electrolyte Membranes Doped with Halogen-Free Imidazole-Based Ionic Liquid for Supercapacitor Device Fabrication
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HomeMaterials Science ForumMaterials Science Forum Vol. 936Carbon/GO Composite Electrodes and Electrospun...

Carbon/GO Composite Electrodes and Electrospun Polyacrylonitrile Nanofibrous Electrolyte Membranes Doped with Halogen-Free Imidazole-Based Ionic Liquid for Supercapacitor Device Fabrication

Abstract:

In this paper, we report the preparation of 1-methylimidazolium acetate (MIMOAc) through solvent-free sonochemical synthesis and its characterization using ¹H-NMR, ¹³C-NMR and FTIR-ATR spectroscopy. Its effects on the morphological, structural and electrochemical properties of electrospun polyacrylonitrile (PAN) fibers were also investigated. SEM and AFM results showed that the MIMOAc-doped PAN fibers produced are thinner than that of the pristine PAN hence allowing more surface area for ion mobility. Its electrochemical performance compared well to the obtained results in preference to the conventional 1M KOH_(aq) as aqueous electrolyte. The fabrication of a novel supercapacitor prototype following an electrical double-layer capacitor configuration assembled by mechanically pressing the electrospun MIMOAc/PAN nanofiber membranes between two activated carbon/graphene oxide (GO) composite electrodes on ITO-coated glass current collectors was presented in detail.

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Periodical:

Materials Science Forum (Volume 936)

Pages:

82-87

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.936.82

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Online since:

October 2018

Authors:

Jonathan N. Patricio*, Eduardo C. Atayde Jr., Menandro C. Marquez, Susan D. Arco

Keywords:

EDLC, Electrospinning, Graphene Oxide, Ionic Liquid, Polyacrylonitrile, Supercapacitor

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