Manganosite-microwave exfoliated graphene oxide composites for asymmetric supercapacitor device applications
Graphene based materials coupled with transition metal oxides are promising electrode materials in asymmetric supercapacitors owing to their unique properties which include high surface area, good chemical stability, electrical conductivity, abundance, and lower cost profile over time. In this paper...
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th-cmuir.6653943832-523622018-09-04T09:24:59Z Manganosite-microwave exfoliated graphene oxide composites for asymmetric supercapacitor device applications Dennis Antiohos Kanlaya Pingmuang Mark S. Romano Stephen Beirne Tony Romeo Phil Aitchison Andrew Minett Gordon Wallace Sukon Phanichphant Jun Chen Chemical Engineering Chemistry Graphene based materials coupled with transition metal oxides are promising electrode materials in asymmetric supercapacitors owing to their unique properties which include high surface area, good chemical stability, electrical conductivity, abundance, and lower cost profile over time. In this paper a composite material consisting of graphene oxide exfoliated with microwave radiation (mw rGO), and manganosite (MnO) is synthesised in order to explore their potential as an electrode material. The composite material was characterised by scanning electron microscopy (SEM), X-ray diffraction (XRD), X-ray photoelectron spectroscopy (XPS), and Raman spectroscopy. Cyclic voltammetry (CV) and electrochemical impedance spectroscopy (EIS) were used to explore the process occurring at the electrode/electrolyte interface. Long term cyclability and stability were investigated using galvanostatic charge/discharge testing. From the resulting analysis, an asymmetric supercapacitor was constructed with the best composite containing 90% MnO-10% mw rGO (w/w). The device exhibited a capacitance of 0.11 F/cm2(51.5 F/g by mass) and excellent capacity retention of 82% after 15,000 cycles at a current density of 0.5 A/g. © 2012 Elsevier Ltd. 2018-09-04T09:23:58Z 2018-09-04T09:23:58Z 2013-01-01 Journal 00134686 2-s2.0-84878541046 10.1016/j.electacta.2012.10.007 https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=84878541046&origin=inward http://cmuir.cmu.ac.th/jspui/handle/6653943832/52362 |
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Chemical Engineering Chemistry Dennis Antiohos Kanlaya Pingmuang Mark S. Romano Stephen Beirne Tony Romeo Phil Aitchison Andrew Minett Gordon Wallace Sukon Phanichphant Jun Chen Manganosite-microwave exfoliated graphene oxide composites for asymmetric supercapacitor device applications |
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Graphene based materials coupled with transition metal oxides are promising electrode materials in asymmetric supercapacitors owing to their unique properties which include high surface area, good chemical stability, electrical conductivity, abundance, and lower cost profile over time. In this paper a composite material consisting of graphene oxide exfoliated with microwave radiation (mw rGO), and manganosite (MnO) is synthesised in order to explore their potential as an electrode material. The composite material was characterised by scanning electron microscopy (SEM), X-ray diffraction (XRD), X-ray photoelectron spectroscopy (XPS), and Raman spectroscopy. Cyclic voltammetry (CV) and electrochemical impedance spectroscopy (EIS) were used to explore the process occurring at the electrode/electrolyte interface. Long term cyclability and stability were investigated using galvanostatic charge/discharge testing. From the resulting analysis, an asymmetric supercapacitor was constructed with the best composite containing 90% MnO-10% mw rGO (w/w). The device exhibited a capacitance of 0.11 F/cm2(51.5 F/g by mass) and excellent capacity retention of 82% after 15,000 cycles at a current density of 0.5 A/g. © 2012 Elsevier Ltd. |
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Journal |
author |
Dennis Antiohos Kanlaya Pingmuang Mark S. Romano Stephen Beirne Tony Romeo Phil Aitchison Andrew Minett Gordon Wallace Sukon Phanichphant Jun Chen |
author_facet |
Dennis Antiohos Kanlaya Pingmuang Mark S. Romano Stephen Beirne Tony Romeo Phil Aitchison Andrew Minett Gordon Wallace Sukon Phanichphant Jun Chen |
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Dennis Antiohos |
title |
Manganosite-microwave exfoliated graphene oxide composites for asymmetric supercapacitor device applications |
title_short |
Manganosite-microwave exfoliated graphene oxide composites for asymmetric supercapacitor device applications |
title_full |
Manganosite-microwave exfoliated graphene oxide composites for asymmetric supercapacitor device applications |
title_fullStr |
Manganosite-microwave exfoliated graphene oxide composites for asymmetric supercapacitor device applications |
title_full_unstemmed |
Manganosite-microwave exfoliated graphene oxide composites for asymmetric supercapacitor device applications |
title_sort |
manganosite-microwave exfoliated graphene oxide composites for asymmetric supercapacitor device applications |
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2018 |
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https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=84878541046&origin=inward http://cmuir.cmu.ac.th/jspui/handle/6653943832/52362 |
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