Effect of processing parameters on the charge storage properties of MgCo2O4 electrodes

Three morphologies of magnesium cobaltite (MgCo2O4), viz. cuboidal microcrystals, nanoflowers, and nanospheres, were synthesized using hydrothermal and molten salt methods and evaluated their electrochemical energy storage properties. Among them cuboidal microcrystal and nanoflowers were obtained by...

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Main Authors:	Krishnan, Syam G., Harilal, Midhun, Izan Izwan, Misnon, Reddy, M. Venkatashamy, Adams, Stefan, Rajan, Jose
Format:	Article
Language:	English
Published:	Elsevier 2017
Subjects:	QC Physics QD Chemistry TK Electrical engineering. Electronics Nuclear engineering
Online Access:	http://umpir.ump.edu.my/id/eprint/18398/ http://umpir.ump.edu.my/id/eprint/18398/ http://umpir.ump.edu.my/id/eprint/18398/ http://umpir.ump.edu.my/id/eprint/18398/1/Ceramic%20International.pdf

id	ump-18398
recordtype	eprints
spelling	ump-183982018-04-04T07:12:43Z http://umpir.ump.edu.my/id/eprint/18398/ Effect of processing parameters on the charge storage properties of MgCo2O4 electrodes Krishnan, Syam G. Harilal, Midhun Izan Izwan, Misnon Reddy, M. Venkatashamy Adams, Stefan Rajan, Jose QC Physics QD Chemistry TK Electrical engineering. Electronics Nuclear engineering Three morphologies of magnesium cobaltite (MgCo2O4), viz. cuboidal microcrystals, nanoflowers, and nanospheres, were synthesized using hydrothermal and molten salt methods and evaluated their electrochemical energy storage properties. Among them cuboidal microcrystal and nanoflowers were obtained by a facile hydrothermal route – the former with ethylene glycol and the latter with hexadecyltrimethylammonium bromide as surfactants. The cuboidal microcrystals showed layered flake microstructure with an appreciable space between the layers (~ 100 nm), which would facilitate ion movement between the flakes. The electrochemical studies of the materials revealed the superiority of MgCo2O4 cuboidal microcrystals as a charge storage medium over the nanoflowers and nanospheres, the reasons for this is deeply investigated and reported herewith. The specific charge stored in the MgCo2O4 cuboidal microcrystal electrode was ~ 345 C g−1 at a specific current of 1 A g−1 which was superior to nanoflowers (~ 178 C g−1) and nanospheres (~ 139 C g−1) at the similar current density in 3 M LiOH electrolyte. The MgCo2O4 cuboidal microcrystals also demonstrated superior charge retention (~ 110%) after 3000 cycles over the other electrodes demonstrating its practical utility as a charge storage material. Elsevier 2017 Article PeerReviewed application/pdf en http://umpir.ump.edu.my/id/eprint/18398/1/Ceramic%20International.pdf Krishnan, Syam G. and Harilal, Midhun and Izan Izwan, Misnon and Reddy, M. Venkatashamy and Adams, Stefan and Rajan, Jose (2017) Effect of processing parameters on the charge storage properties of MgCo2O4 electrodes. Ceramics International, 43 (15). pp. 12270-12279. ISSN 0272-8842 https://www.journals.elsevier.com/ceramics-international/ DOI: 10.1016/j.ceramint.2017.06.089
repository_type	Digital Repository
institution_category	Local University
institution	Universiti Malaysia Pahang
building	UMP Institutional Repository
collection	Online Access
language	English
topic	QC Physics QD Chemistry TK Electrical engineering. Electronics Nuclear engineering
spellingShingle	QC Physics QD Chemistry TK Electrical engineering. Electronics Nuclear engineering Krishnan, Syam G. Harilal, Midhun Izan Izwan, Misnon Reddy, M. Venkatashamy Adams, Stefan Rajan, Jose Effect of processing parameters on the charge storage properties of MgCo2O4 electrodes
description	Three morphologies of magnesium cobaltite (MgCo2O4), viz. cuboidal microcrystals, nanoflowers, and nanospheres, were synthesized using hydrothermal and molten salt methods and evaluated their electrochemical energy storage properties. Among them cuboidal microcrystal and nanoflowers were obtained by a facile hydrothermal route – the former with ethylene glycol and the latter with hexadecyltrimethylammonium bromide as surfactants. The cuboidal microcrystals showed layered flake microstructure with an appreciable space between the layers (~ 100 nm), which would facilitate ion movement between the flakes. The electrochemical studies of the materials revealed the superiority of MgCo2O4 cuboidal microcrystals as a charge storage medium over the nanoflowers and nanospheres, the reasons for this is deeply investigated and reported herewith. The specific charge stored in the MgCo2O4 cuboidal microcrystal electrode was ~ 345 C g−1 at a specific current of 1 A g−1 which was superior to nanoflowers (~ 178 C g−1) and nanospheres (~ 139 C g−1) at the similar current density in 3 M LiOH electrolyte. The MgCo2O4 cuboidal microcrystals also demonstrated superior charge retention (~ 110%) after 3000 cycles over the other electrodes demonstrating its practical utility as a charge storage material.
format	Article
author	Krishnan, Syam G. Harilal, Midhun Izan Izwan, Misnon Reddy, M. Venkatashamy Adams, Stefan Rajan, Jose
author_facet	Krishnan, Syam G. Harilal, Midhun Izan Izwan, Misnon Reddy, M. Venkatashamy Adams, Stefan Rajan, Jose
author_sort	Krishnan, Syam G.
title	Effect of processing parameters on the charge storage properties of MgCo2O4 electrodes
title_short	Effect of processing parameters on the charge storage properties of MgCo2O4 electrodes
title_full	Effect of processing parameters on the charge storage properties of MgCo2O4 electrodes
title_fullStr	Effect of processing parameters on the charge storage properties of MgCo2O4 electrodes
title_full_unstemmed	Effect of processing parameters on the charge storage properties of MgCo2O4 electrodes
title_sort	effect of processing parameters on the charge storage properties of mgco2o4 electrodes
publisher	Elsevier
publishDate	2017
url	http://umpir.ump.edu.my/id/eprint/18398/ http://umpir.ump.edu.my/id/eprint/18398/ http://umpir.ump.edu.my/id/eprint/18398/ http://umpir.ump.edu.my/id/eprint/18398/1/Ceramic%20International.pdf
first_indexed	2023-09-18T22:26:03Z
last_indexed	2023-09-18T22:26:03Z
_version_	1777415973038456832

Effect of processing parameters on the charge storage properties of MgCo2O4 electrodes

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