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A self-branched lamination of hierarchical patronite nanoarchitectures on carbon fiber cloth as novel electrode for ionic liquid electrolyte-based high energy density supercapacitors

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Manikandan, Ramu
Justin Raj, Chellan
Nagaraju, Goli
Puigdollers i González, JoaquimMés informacióMés informacióMés informació
Voz Sánchez, CristóbalMés informacióMés informacióMés informació
Document typeArticle
Defense date2019-11-14
Rights accessOpen Access
All rights reserved. This work is protected by the corresponding intellectual and industrial property rights. Without prejudice to any existing legal exemptions, reproduction, distribution, public communication or transformation of this work are prohibited without permission of the copyright holder
ProjectDISPOSITIVOS HIBRIDOS DE SILICIO%2FCALCOGENURO DE CAPA DELGADA PARA TECNOLOGIAS FOTOVOLTAICOS SOSTENIBLES DE BAJO COSTE Y MUY ALTA EFICIENCIA (AEI-ENE2017-87671-C3-2-R)
Abstract
The developments of rationally designed binder-free metal chalcogenides decorated flexible electrodes are of paramount importance for advanced energy storage devices. Herein, binder-free patronite (VS4) flower-like nanostructures are facilely fabricated on a carbon cloth (CC) using a facile hydrothermal method for high-performance supercapacitors. The growth density and morphology of VS4 nanostructures on CC are also controlled by varying the concentrations of vanadium and sulfur sources along with the complexing agent in the growth solution. The optimal electrode with an appropriate growth concentration (VS4-CC@VS-3) demonstrates a considerable pseudocapacitance performance in the ionic liquid (IL) electrolyte (1-ethyl-3-methylimidazolium trifluoromethanesulfonate), with a high operating potential of 2 V. Utilizing VS4-CC@VS-3 as both positive and negative electrodes, the IL-based symmetric supercapacitor is assembled, which demonstrates a high areal capacitance of 536 mF cm-2 (206 F g-1) and excellent cycling durability (93%) with superior energy and power densities of 74.4 µWh cm-2 (28.6 Wh kg-1) and 10154 µW cm-2 (9340 W kg-1), respectively. As for the high energy storage performance, the device stably energizes various portable electronic applications for a long time, which make the fabricated composite material open up news for the fabrication of fabrics supported binder-free chalcogenides for high-performance energy storage devices.
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This is the peer reviewed version of the following article: Ramu, M., Chellan, J. R., Goli, N., Joaquim, P., Cristobal, V., Kim, B. C., A Self‐Branched Lamination of Hierarchical Patronite Nanoarchitectures on Carbon Fiber Cloth as Novel Electrode for Ionic Liquid Electrolyte‐Based High Energy Density Supercapacitors. Adv. Funct. Mater. 2019, 1906586. https://doi.org/10.1002/adfm.201906586, which has been published in final form at https://doi.org/10.1002/adfm.201906586. This article may be used for non-commercial purposes in accordance with Wiley Terms and Conditions for Use of Self-Archived Versions.
CitationManikandan, R. [et al.]. A self-branched lamination of hierarchical patronite nanoarchitectures on carbon fiber cloth as novel electrode for ionic liquid electrolyte-based high energy density supercapacitors. "Advanced functional materials", 14 Novembre 2019, vol. 2019, p. 1906586:1-1906586:13. 
URIhttp://hdl.handle.net/2117/172952
DOI10.1002/adfm.201906586
ISSN1616-301X
Publisher versionhttps://onlinelibrary.wiley.com/doi/abs/10.1002/adfm.201906586
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  • MNT - Grup de Recerca en Micro i Nanotecnologies - Articles de revista [345]
  • Departament d'Enginyeria Electrònica - Articles de revista [1.531]
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