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http://hdl.handle.net/10397/96207
Title: | Flexible fiber hybrid supercapacitor with NiCo2O4 nanograss@carbon fiber and bio-waste derived high surface area porous carbon | Authors: | Senthilkumar, ST Fu, N Liu, Y Wang, Y Zhou, L Huang, H |
Issue Date: | 1-Sep-2016 | Source: | Electrochimica acta, 1 Sept. 2016, v. 211, p. 411-419 | Abstract: | Flexible, light weight and portable energy storage devices are receiving much attention for flexible electronic applications. Nonetheless, these conventional two-dimensional (2D) or planar structured flexible energy storage devices could not meet the demand for wearable or textile electronics. To meet this demand, in this work, a novel flexible fiber hybrid supercapacitor (HSC) is fabricated using NiCo2O4 nanograss (NG)-array coated carbon fiber (NiCo2O4 NG@CF) as the positive electrode to provide a pseudocapacitance and porous carbon coated carbon fiber electrode as the negative electrode to provide an electric double-layer capacitance (EDLC). Particularly, the porous carbon is prepared from Lemon peel waste to obtain a low cost electrode material. Interestingly, the fabricated HSC exhibits a maximum specific capacitance of 17.5 F g-1 (25.03 mF cm-2) and an energy density of 6.61 Wh kg-1 (9.46 μWh cm-2) at the current of 1 mA, which is far better than previous reports. Moreover, three knitted fiber HSCs connected in series could successfully power up a red LED, even at a folded condition. It is believed that this type of fiber HSC could be a potential candidate for flexible/wearable electronic applications. | Keywords: | Capacitance Energy density Fiber Supercapacitor Flexible Wearable |
Publisher: | Pergamon Press | Journal: | Electrochimica acta | ISSN: | 0013-4686 | DOI: | 10.1016/j.electacta.2016.06.059 | Rights: | © 2016 Elsevier Ltd. All rights reserved. © 2016. This manuscript version is made available under the CC-BY-NC-ND 4.0 license https://creativecommons.org/licenses/by-nc-nd/4.0/ The following publication Senthilkumar, S. T., Fu, N., Liu, Y., Wang, Y., Zhou, L., & Huang, H. (2016). Flexible fiber hybrid supercapacitor with NiCo2O4 nanograss@ carbon fiber and bio-waste derived high surface area porous carbon. Electrochimica Acta, 211, 411-419 is available at https://doi.org/10.1016/j.electacta.2016.06.059. |
Appears in Collections: | Journal/Magazine Article |
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