High Performance Supercapacitor Electrodes from Electrospun Nickel Oxide Nanowires

Electrochemical energy storage using pseudocapacitive mode is under intense research owing to their potential in fabricating high performance renewable energy devices at a lower cost. In this paper we characterize nickel oxide (NiO) nanowires developed by electrospinning an aqueous polymeric solutio...

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Main Authors:	Rajan, Jose, Baiju, Vidyadharan, Izan Izwan, Misnon, Radhiyah, Abd Aziz, Jamil, Ismail, M. M., Yusoff, Nurul Khairiyyah, Mohd Zain
Format:	Article
Language:	English
Published:	Elsevier Ltd 2014
Subjects:	Q Science (General)
Online Access:	http://umpir.ump.edu.my/id/eprint/8052/ http://umpir.ump.edu.my/id/eprint/8052/ http://umpir.ump.edu.my/id/eprint/8052/ http://umpir.ump.edu.my/id/eprint/8052/1/J_Alloys_Compd_NiO_Supercap.pdf

id	ump-8052
recordtype	eprints
spelling	ump-80522018-07-27T08:20:40Z http://umpir.ump.edu.my/id/eprint/8052/ High Performance Supercapacitor Electrodes from Electrospun Nickel Oxide Nanowires Rajan, Jose Baiju, Vidyadharan Izan Izwan, Misnon Radhiyah, Abd Aziz Jamil, Ismail M. M., Yusoff Nurul Khairiyyah, Mohd Zain Q Science (General) Electrochemical energy storage using pseudocapacitive mode is under intense research owing to their potential in fabricating high performance renewable energy devices at a lower cost. In this paper we characterize nickel oxide (NiO) nanowires developed by electrospinning an aqueous polymeric solution containing nickel precursor for its application as a pseudocapacitors electrode. The wires are of diameter ~50 – 70 nm containing densely packed cuboidal grains (~10 – 20 nm) with less degree of crystal defects. Electrochemical properties of the electrodes fabricated on a nickel foam substrates are evaluated by cyclic voltammetry (CV) and charge – discharge cycling (CDC), and electrochemical impedance spectroscopy (EIS) techniques. The best performing devices showed a specific capacitance (CS) of ~ 670 Fg-1 with high cycling stability (~100%) for over 1000 cycles and Coulombic efficiency ~98%. Lower electrochemical equivalent resistance (~0.76 ), charge transfer resistance (~0.45 ), and charge relaxation time (43 ms) are observed which are attributed to the defect free nanowire morphology that give rise to the superior performance. Elsevier Ltd 2014-05-09 Article PeerReviewed application/pdf en http://umpir.ump.edu.my/id/eprint/8052/1/J_Alloys_Compd_NiO_Supercap.pdf Rajan, Jose and Baiju, Vidyadharan and Izan Izwan, Misnon and Radhiyah, Abd Aziz and Jamil, Ismail and M. M., Yusoff and Nurul Khairiyyah, Mohd Zain (2014) High Performance Supercapacitor Electrodes from Electrospun Nickel Oxide Nanowires. Journal of Alloys and Compounds, 610. pp. 143-150. ISSN 0925-8388 (print), 1873-4669 (online) http://dx.doi.org/10.1016/j.jallcom.2014.04.211 DOI: 10.1016/j.jallcom.2014.04.211
repository_type	Digital Repository
institution_category	Local University
institution	Universiti Malaysia Pahang
building	UMP Institutional Repository
collection	Online Access
language	English
topic	Q Science (General)
spellingShingle	Q Science (General) Rajan, Jose Baiju, Vidyadharan Izan Izwan, Misnon Radhiyah, Abd Aziz Jamil, Ismail M. M., Yusoff Nurul Khairiyyah, Mohd Zain High Performance Supercapacitor Electrodes from Electrospun Nickel Oxide Nanowires
description	Electrochemical energy storage using pseudocapacitive mode is under intense research owing to their potential in fabricating high performance renewable energy devices at a lower cost. In this paper we characterize nickel oxide (NiO) nanowires developed by electrospinning an aqueous polymeric solution containing nickel precursor for its application as a pseudocapacitors electrode. The wires are of diameter ~50 – 70 nm containing densely packed cuboidal grains (~10 – 20 nm) with less degree of crystal defects. Electrochemical properties of the electrodes fabricated on a nickel foam substrates are evaluated by cyclic voltammetry (CV) and charge – discharge cycling (CDC), and electrochemical impedance spectroscopy (EIS) techniques. The best performing devices showed a specific capacitance (CS) of ~ 670 Fg-1 with high cycling stability (~100%) for over 1000 cycles and Coulombic efficiency ~98%. Lower electrochemical equivalent resistance (~0.76 ), charge transfer resistance (~0.45 ), and charge relaxation time (43 ms) are observed which are attributed to the defect free nanowire morphology that give rise to the superior performance.
format	Article
author	Rajan, Jose Baiju, Vidyadharan Izan Izwan, Misnon Radhiyah, Abd Aziz Jamil, Ismail M. M., Yusoff Nurul Khairiyyah, Mohd Zain
author_facet	Rajan, Jose Baiju, Vidyadharan Izan Izwan, Misnon Radhiyah, Abd Aziz Jamil, Ismail M. M., Yusoff Nurul Khairiyyah, Mohd Zain
author_sort	Rajan, Jose
title	High Performance Supercapacitor Electrodes from Electrospun Nickel Oxide Nanowires
title_short	High Performance Supercapacitor Electrodes from Electrospun Nickel Oxide Nanowires
title_full	High Performance Supercapacitor Electrodes from Electrospun Nickel Oxide Nanowires
title_fullStr	High Performance Supercapacitor Electrodes from Electrospun Nickel Oxide Nanowires
title_full_unstemmed	High Performance Supercapacitor Electrodes from Electrospun Nickel Oxide Nanowires
title_sort	high performance supercapacitor electrodes from electrospun nickel oxide nanowires
publisher	Elsevier Ltd
publishDate	2014
url	http://umpir.ump.edu.my/id/eprint/8052/ http://umpir.ump.edu.my/id/eprint/8052/ http://umpir.ump.edu.my/id/eprint/8052/ http://umpir.ump.edu.my/id/eprint/8052/1/J_Alloys_Compd_NiO_Supercap.pdf
first_indexed	2023-09-18T22:05:19Z
last_indexed	2023-09-18T22:05:19Z
_version_	1777414669306167296

High Performance Supercapacitor Electrodes from Electrospun Nickel Oxide Nanowires

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