Electrochemical Evaluation of Fluorinated MnO2 for Supercapacitor Application

Supercapacitors (SCs) functioning as alternative energy storage is useful in most electronic devices, renewable energy system and hybrid vehicles that have high demand in these days. Excellent electrochemical performance, environment friendliness and low cost material are needed to fulfil the energy...

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Main Authors:	Siti Nur Najwa, Mohd Yusof, Nurul Khairiyyah, Mohd Zain, Izan Izwan, Misnon, Rajan, Jose
Format:	Conference or Workshop Item
Language:	English
Published:	EDP Sciences 2018
Subjects:	QD Chemistry
Online Access:	http://umpir.ump.edu.my/id/eprint/19588/ http://umpir.ump.edu.my/id/eprint/19588/ http://umpir.ump.edu.my/id/eprint/19588/7/Electrochemical%20Evaluation%20of%20Fluorinated%20MnO-fist-2018.pdf

id	ump-19588
recordtype	eprints
spelling	ump-195882018-03-19T05:46:47Z http://umpir.ump.edu.my/id/eprint/19588/ Electrochemical Evaluation of Fluorinated MnO2 for Supercapacitor Application Siti Nur Najwa, Mohd Yusof Nurul Khairiyyah, Mohd Zain Izan Izwan, Misnon Rajan, Jose QD Chemistry Supercapacitors (SCs) functioning as alternative energy storage is useful in most electronic devices, renewable energy system and hybrid vehicles that have high demand in these days. Excellent electrochemical performance, environment friendliness and low cost material are needed to fulfil the energy demand by most developed country. In this study, fluorination treatment on manganese oxide (MnO2) is considered as an effective way to develop better energy storage due to fluorine electronegativity and reactivity when correlate with other element. Hydrothermal method is used to synthesis MnO2 (MnO2 and MnO2) and the effect of fluorination (FMnO2 and FMnO2) on MnO2 surfaces is investigated on the charge storage ability. The crystallinity and functional groups of the samples was confirmed by the X-ray diffractogram and fourier transforms infrared spectroscopy (FTIR). The cyclic voltammetry (CV) and galvanostatic charging–discharging (CDC) analysis in 0.5 M K2SO4 electrolyte shows that F--MnO2 gives the highest Cs value of 184 F g-1 at scan rate of 5 mV s-1 and 66 F g-1 at current density of 0.3 A g-1. The electrochemical impedance spectroscopy shows that the FMnO2 has the lowest electrode resistances and charge transfer resistance which contributes to high Cs and the high conductivity of electrode. EDP Sciences 2018 Conference or Workshop Item PeerReviewed application/pdf en cc_by http://umpir.ump.edu.my/id/eprint/19588/7/Electrochemical%20Evaluation%20of%20Fluorinated%20MnO-fist-2018.pdf Siti Nur Najwa, Mohd Yusof and Nurul Khairiyyah, Mohd Zain and Izan Izwan, Misnon and Rajan, Jose (2018) Electrochemical Evaluation of Fluorinated MnO2 for Supercapacitor Application. In: MATEC Web of Conferences: Malaysia Technical Universities Conference on Engineering and Technology (MUCET 2017), 6-7 December 2017 , Penang, Malaysia. pp. 1-6., 150 (02006). ISSN 2261-236X https://doi.org/10.1051/matecconf/201815002006
repository_type	Digital Repository
institution_category	Local University
institution	Universiti Malaysia Pahang
building	UMP Institutional Repository
collection	Online Access
language	English
topic	QD Chemistry
spellingShingle	QD Chemistry Siti Nur Najwa, Mohd Yusof Nurul Khairiyyah, Mohd Zain Izan Izwan, Misnon Rajan, Jose Electrochemical Evaluation of Fluorinated MnO2 for Supercapacitor Application
description	Supercapacitors (SCs) functioning as alternative energy storage is useful in most electronic devices, renewable energy system and hybrid vehicles that have high demand in these days. Excellent electrochemical performance, environment friendliness and low cost material are needed to fulfil the energy demand by most developed country. In this study, fluorination treatment on manganese oxide (MnO2) is considered as an effective way to develop better energy storage due to fluorine electronegativity and reactivity when correlate with other element. Hydrothermal method is used to synthesis MnO2 (MnO2 and MnO2) and the effect of fluorination (FMnO2 and FMnO2) on MnO2 surfaces is investigated on the charge storage ability. The crystallinity and functional groups of the samples was confirmed by the X-ray diffractogram and fourier transforms infrared spectroscopy (FTIR). The cyclic voltammetry (CV) and galvanostatic charging–discharging (CDC) analysis in 0.5 M K2SO4 electrolyte shows that F--MnO2 gives the highest Cs value of 184 F g-1 at scan rate of 5 mV s-1 and 66 F g-1 at current density of 0.3 A g-1. The electrochemical impedance spectroscopy shows that the FMnO2 has the lowest electrode resistances and charge transfer resistance which contributes to high Cs and the high conductivity of electrode.
format	Conference or Workshop Item
author	Siti Nur Najwa, Mohd Yusof Nurul Khairiyyah, Mohd Zain Izan Izwan, Misnon Rajan, Jose
author_facet	Siti Nur Najwa, Mohd Yusof Nurul Khairiyyah, Mohd Zain Izan Izwan, Misnon Rajan, Jose
author_sort	Siti Nur Najwa, Mohd Yusof
title	Electrochemical Evaluation of Fluorinated MnO2 for Supercapacitor Application
title_short	Electrochemical Evaluation of Fluorinated MnO2 for Supercapacitor Application
title_full	Electrochemical Evaluation of Fluorinated MnO2 for Supercapacitor Application
title_fullStr	Electrochemical Evaluation of Fluorinated MnO2 for Supercapacitor Application
title_full_unstemmed	Electrochemical Evaluation of Fluorinated MnO2 for Supercapacitor Application
title_sort	electrochemical evaluation of fluorinated mno2 for supercapacitor application
publisher	EDP Sciences
publishDate	2018
url	http://umpir.ump.edu.my/id/eprint/19588/ http://umpir.ump.edu.my/id/eprint/19588/ http://umpir.ump.edu.my/id/eprint/19588/7/Electrochemical%20Evaluation%20of%20Fluorinated%20MnO-fist-2018.pdf
first_indexed	2023-09-18T22:28:00Z
last_indexed	2023-09-18T22:28:00Z
_version_	1777416096521912320

Electrochemical Evaluation of Fluorinated MnO2 for Supercapacitor Application

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