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Naji, M. |
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Motta, Antonella |
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Aletan, Dirar |
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Mohamed, Tarek |
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Ertürk, Emre |
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Taccardi, Nicola |
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Kononenko, Denys |
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Petrov, R. H. | Madrid |
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Alshaaer, Mazen | Brussels |
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Bih, L. |
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Casati, R. |
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Muller, Hermance |
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Kočí, Jan | Prague |
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Šuljagić, Marija |
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Kalteremidou, Kalliopi-Artemi | Brussels |
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Azam, Siraj |
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Ospanova, Alyiya |
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Blanpain, Bart |
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Ali, M. A. |
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Popa, V. |
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Rančić, M. |
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Ollier, Nadège |
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Azevedo, Nuno Monteiro |
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Landes, Michael |
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Rignanese, Gian-Marco |
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Holze, Rudolf
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (10/10 displayed)
- 2023Composites of Intrinsically Conducting Polymers with Carbonaceous Materials for Supercapacitors – An Update
- 2016Electrochemical supercapacitive properties of polypyrrole thin films: influence of the electropolymerization methodscitations
- 2015Asymmetric supercapacitors based on hybrid CuO@Reduced Graphene Oxide@Sponge versus Reduced Graphene Oxide@Sponge Electrodescitations
- 2014Screen Printed Asymmetric Supercapacitors based on LiCoO2 and Graphene Oxidecitations
- 2013All-solid-state flexible thin film supercapacitor based on Mn3O4 stacked nanosheets with gel electrolytecitations
- 2013Mild chemical strategy to grow micro-roses and micro-woolen like arranged CuO nanosheets for high performance supercapacitorscitations
- 2013A successive ionic layer adsorption and reaction (SILAR) method to induce Mn3O4 nanospots on CNTs for supercapacitorscitations
- 2013CuO cauliflowers for supercapacitor application: Novel potentiodynamic depositioncitations
- 2009Theoretical Treatment of 3-phenylsubstituted Thiophenes and their Intrinsically Conducting Polymerscitations
- 2009Corrosion Protection Performance and Spectroscopic Investigations of Soluble Conducting Polyaniline-Dodecylbenzenesulfonate Synthesized via Inverse Emulsion Procedurecitations
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article
Asymmetric supercapacitors based on hybrid CuO@Reduced Graphene Oxide@Sponge versus Reduced Graphene Oxide@Sponge Electrodes
Abstract
An asymmetric supercapacitor was fabricated by using CuO@reduced graphene oxide@sponge (CuO@rGO@SP) composites as the positive electrode and rGO@SP as the negative electrode in Na<sub>2</sub>SO<sub>4</sub> aqueous electrolyte. Macroporous and low‐costing sponges were explored as skeletons to construct a homogeneous 3 D interconnected network of rGO. Initially, rGO was deposited on the sponge by the “dip‐and‐dry” method. Subsequently, a CuO nanosheet cluster was deposited by using the chemical bath deposition method on the rGO‐coated sponge substrate. The CuO@rGO@SP electrodes could be operated even under a high scan rate of 200 mV s<sup>−1</sup> and exhibited a maximum specific capacitance of 519 F g<sup>−1</sup>. An asymmetric supercapacitor device based on CuO@rGO@SP//rGO@SP could be cycled in the high voltage range of 1.7 V and displayed high specific capacitance of 77.84 F g<sup>−1</sup> and a high energy density of 31.24 W h<sup>−1</sup> kg<sup>−1</sup>. Impressively, this asymmetric device exhibited an excellent long cycle life and 83 % of the specific capacitance was retained after 2000 cycles.