Al3+ ion intercalation pseudocapacitance study of W18O49 nanostructure

Intercalation pseudocapacitance is of essential significance for designing high performance electrode materials, which offers exceptional charge storage characteristics. In this study, we elucidate the pseudocapacitive behavior of Al3+ ions intercalation within the distinctive tunnels of monoclinic...

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Main Authors:	Thalji, Mohammad R., Ali, Gomaa A. M., Algarni, H., Chong, Kwok Feng
Format:	Article
Language:	English
Published:	Elsevier Ltd 2019
Subjects:	Q Science (General)
Online Access:	http://umpir.ump.edu.my/id/eprint/25908/ http://umpir.ump.edu.my/id/eprint/25908/ http://umpir.ump.edu.my/id/eprint/25908/ http://umpir.ump.edu.my/id/eprint/25908/1/Al3%20ion%20intercalation%20pseudocapacitance%20study%20of%20W18O49%20nanostructure.pdf

id	ump-25908
recordtype	eprints
spelling	ump-259082019-10-02T07:34:30Z http://umpir.ump.edu.my/id/eprint/25908/ Al3+ ion intercalation pseudocapacitance study of W18O49 nanostructure Thalji, Mohammad R. Ali, Gomaa A. M. Algarni, H. Chong, Kwok Feng Q Science (General) Intercalation pseudocapacitance is of essential significance for designing high performance electrode materials, which offers exceptional charge storage characteristics. In this study, we elucidate the pseudocapacitive behavior of Al3+ ions intercalation within the distinctive tunnels of monoclinic W18O49 nanostructure. 3D sea urchin-like W18O49 is synthesized through one-step solvothermal approach. Its physicochemical properties are investigated by X-ray diffraction, X-ray photoelectron spectroscopy, Field emission scanning electron microscopy and Brunauer-Emmett-Teller surface area analysis. Cyclic voltammetry, galvanostatic charge-discharge and electrochemical impedance spectroscopy techniques are used to investigate the electrochemical characteristics of W18O49 electrode in different electrolyte systems. It shows high specific capacitance of 350 F g−1 at 1 A g−1, superior electrochemical long-term stability in the Al3+ electrolyte with 92% capacitance retention at 8000 cycles. The excellent electrochemical performance is predominantly due to the Al3+ ions intercalation/de-intercalation with W18O49 nanostructure that is proven by ex situ X-ray diffraction analysis. The work marks a notable achievement in the effort of substituting commonly acidic proton electrolyte for W18O49 supercapacitor. Elsevier Ltd 2019 Article PeerReviewed pdf en http://umpir.ump.edu.my/id/eprint/25908/1/Al3%20ion%20intercalation%20pseudocapacitance%20study%20of%20W18O49%20nanostructure.pdf Thalji, Mohammad R. and Ali, Gomaa A. M. and Algarni, H. and Chong, Kwok Feng (2019) Al3+ ion intercalation pseudocapacitance study of W18O49 nanostructure. Journal of Power Sources, 438. pp. 1-8. ISSN 0378-7753 https://doi.org/10.1016/j.jpowsour.2019.227028 https://doi.org/10.1016/j.jpowsour.2019.227028
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) Thalji, Mohammad R. Ali, Gomaa A. M. Algarni, H. Chong, Kwok Feng Al3+ ion intercalation pseudocapacitance study of W18O49 nanostructure
description	Intercalation pseudocapacitance is of essential significance for designing high performance electrode materials, which offers exceptional charge storage characteristics. In this study, we elucidate the pseudocapacitive behavior of Al3+ ions intercalation within the distinctive tunnels of monoclinic W18O49 nanostructure. 3D sea urchin-like W18O49 is synthesized through one-step solvothermal approach. Its physicochemical properties are investigated by X-ray diffraction, X-ray photoelectron spectroscopy, Field emission scanning electron microscopy and Brunauer-Emmett-Teller surface area analysis. Cyclic voltammetry, galvanostatic charge-discharge and electrochemical impedance spectroscopy techniques are used to investigate the electrochemical characteristics of W18O49 electrode in different electrolyte systems. It shows high specific capacitance of 350 F g−1 at 1 A g−1, superior electrochemical long-term stability in the Al3+ electrolyte with 92% capacitance retention at 8000 cycles. The excellent electrochemical performance is predominantly due to the Al3+ ions intercalation/de-intercalation with W18O49 nanostructure that is proven by ex situ X-ray diffraction analysis. The work marks a notable achievement in the effort of substituting commonly acidic proton electrolyte for W18O49 supercapacitor.
format	Article
author	Thalji, Mohammad R. Ali, Gomaa A. M. Algarni, H. Chong, Kwok Feng
author_facet	Thalji, Mohammad R. Ali, Gomaa A. M. Algarni, H. Chong, Kwok Feng
author_sort	Thalji, Mohammad R.
title	Al3+ ion intercalation pseudocapacitance study of W18O49 nanostructure
title_short	Al3+ ion intercalation pseudocapacitance study of W18O49 nanostructure
title_full	Al3+ ion intercalation pseudocapacitance study of W18O49 nanostructure
title_fullStr	Al3+ ion intercalation pseudocapacitance study of W18O49 nanostructure
title_full_unstemmed	Al3+ ion intercalation pseudocapacitance study of W18O49 nanostructure
title_sort	al3+ ion intercalation pseudocapacitance study of w18o49 nanostructure
publisher	Elsevier Ltd
publishDate	2019
url	http://umpir.ump.edu.my/id/eprint/25908/ http://umpir.ump.edu.my/id/eprint/25908/ http://umpir.ump.edu.my/id/eprint/25908/ http://umpir.ump.edu.my/id/eprint/25908/1/Al3%20ion%20intercalation%20pseudocapacitance%20study%20of%20W18O49%20nanostructure.pdf
first_indexed	2023-09-18T22:40:01Z
last_indexed	2023-09-18T22:40:01Z
_version_	1777416852560936960

Al3+ ion intercalation pseudocapacitance study of W18O49 nanostructure

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