Electrodeposited reduced graphene oxide as a highly efficient and low-cost electrocatalyst for vanadium redox flow batteries
An electrochemically reduced graphene oxide was grown on carbon felt surface in a simple one-step electrodeposition process of graphene oxide and it was employed as a positive electrocatalyst of vanadium redox flow battery. The electrodeposited graphene-based nanocomposite on carbon felt presented o...
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my.um.eprints.200192019-03-18T04:31:09Z http://eprints.um.edu.my/20019/ Electrodeposited reduced graphene oxide as a highly efficient and low-cost electrocatalyst for vanadium redox flow batteries Nia, Pooria Moozarm Abouzari-Lotf, Ebrahim Woi, Pei Meng Alias, Yatimah Ting, Teo Ming Ahmad, Arshad Che Jusoh, Nurfatehah Wahyuny Q Science (General) QD Chemistry An electrochemically reduced graphene oxide was grown on carbon felt surface in a simple one-step electrodeposition process of graphene oxide and it was employed as a positive electrocatalyst of vanadium redox flow battery. The electrodeposited graphene-based nanocomposite on carbon felt presented outstanding electrochemical redox reversibility toward vanadium redox couple. Based on the cyclic voltammetry data and electrochemical impedance spectroscopy curves, the modified composite electrode possesses a huge amount of oxygen functional groups, high surface area, high electrical conductivity and excellent stability in compared to the pristine carbon felt electrode. The prepared electrode showed promising performance for vanadium redox flow battery as the energy efficiency was significantly enhanced by 12% at current density of 60 mA cm−2. This superior performance was probably due to the increase in the surface sites and fast electron transfer rate of the reduced graphene oxide. Elsevier 2019 Article PeerReviewed Nia, Pooria Moozarm and Abouzari-Lotf, Ebrahim and Woi, Pei Meng and Alias, Yatimah and Ting, Teo Ming and Ahmad, Arshad and Che Jusoh, Nurfatehah Wahyuny (2019) Electrodeposited reduced graphene oxide as a highly efficient and low-cost electrocatalyst for vanadium redox flow batteries. Electrochimica Acta, 297. pp. 31-39. ISSN 0013-4686 https://doi.org/10.1016/j.electacta.2018.11.109 doi:10.1016/j.electacta.2018.11.109 |
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Q Science (General) QD Chemistry Nia, Pooria Moozarm Abouzari-Lotf, Ebrahim Woi, Pei Meng Alias, Yatimah Ting, Teo Ming Ahmad, Arshad Che Jusoh, Nurfatehah Wahyuny Electrodeposited reduced graphene oxide as a highly efficient and low-cost electrocatalyst for vanadium redox flow batteries |
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An electrochemically reduced graphene oxide was grown on carbon felt surface in a simple one-step electrodeposition process of graphene oxide and it was employed as a positive electrocatalyst of vanadium redox flow battery. The electrodeposited graphene-based nanocomposite on carbon felt presented outstanding electrochemical redox reversibility toward vanadium redox couple. Based on the cyclic voltammetry data and electrochemical impedance spectroscopy curves, the modified composite electrode possesses a huge amount of oxygen functional groups, high surface area, high electrical conductivity and excellent stability in compared to the pristine carbon felt electrode. The prepared electrode showed promising performance for vanadium redox flow battery as the energy efficiency was significantly enhanced by 12% at current density of 60 mA cm−2. This superior performance was probably due to the increase in the surface sites and fast electron transfer rate of the reduced graphene oxide. |
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Article |
author |
Nia, Pooria Moozarm Abouzari-Lotf, Ebrahim Woi, Pei Meng Alias, Yatimah Ting, Teo Ming Ahmad, Arshad Che Jusoh, Nurfatehah Wahyuny |
author_facet |
Nia, Pooria Moozarm Abouzari-Lotf, Ebrahim Woi, Pei Meng Alias, Yatimah Ting, Teo Ming Ahmad, Arshad Che Jusoh, Nurfatehah Wahyuny |
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Nia, Pooria Moozarm |
title |
Electrodeposited reduced graphene oxide as a highly efficient and low-cost electrocatalyst for vanadium redox flow batteries |
title_short |
Electrodeposited reduced graphene oxide as a highly efficient and low-cost electrocatalyst for vanadium redox flow batteries |
title_full |
Electrodeposited reduced graphene oxide as a highly efficient and low-cost electrocatalyst for vanadium redox flow batteries |
title_fullStr |
Electrodeposited reduced graphene oxide as a highly efficient and low-cost electrocatalyst for vanadium redox flow batteries |
title_full_unstemmed |
Electrodeposited reduced graphene oxide as a highly efficient and low-cost electrocatalyst for vanadium redox flow batteries |
title_sort |
electrodeposited reduced graphene oxide as a highly efficient and low-cost electrocatalyst for vanadium redox flow batteries |
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Elsevier |
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2019 |
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http://eprints.um.edu.my/20019/ https://doi.org/10.1016/j.electacta.2018.11.109 |
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