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Di-metal element substitution of Al3+ and Ti4+ in improving electrochemical and structural behavior of ceramic solid electrolytes

Mechanical milling method is performed to prepare Li1+xAlxTixSn2-2xP3O12 (x = 0.2, 0.4, 0.6, 0.8) NASICON-based ceramic solid electrolyte at 650 oC. X-ray diffraction (XRD) showed that Li1.4Al0.4Ti0.4Sn1.2P3O12 has almost pure compound that is isostructural to LiSn2(PO4)(3) and the addition of Al3+...

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Main Authors: Rusdi, Hashlina, Mohamed, Nor Sabirin, Subban, Ri Hanum Yahaya, Rusdi, Roshidah
Format: Article
Published: Journal of New Materials for Electrochemical Systems 2021
Subjects:
QC Physics
QD Chemistry
Online Access:http://eprints.um.edu.my/35344/
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spelling my.um.eprints.353442022-10-27T01:47:22Z http://eprints.um.edu.my/35344/ Di-metal element substitution of Al3+ and Ti4+ in improving electrochemical and structural behavior of ceramic solid electrolytes Rusdi, Hashlina Mohamed, Nor Sabirin Subban, Ri Hanum Yahaya Rusdi, Roshidah QC Physics QD Chemistry Mechanical milling method is performed to prepare Li1+xAlxTixSn2-2xP3O12 (x = 0.2, 0.4, 0.6, 0.8) NASICON-based ceramic solid electrolyte at 650 oC. X-ray diffraction (XRD) showed that Li1.4Al0.4Ti0.4Sn1.2P3O12 has almost pure compound that is isostructural to LiSn2(PO4)(3) and the addition of Al3+ and Ti4+ have reduced the cell volume of the electrolytes. Side occupancy factor studies verified that the electrolyte with x = 0.4 possessed Sn:Ti:Al ratio close to the theoritical ratio. Field emission scanning electron microscopy analysis portrayed that all electrolytes have flaky type morphology. From electrochemical impedance spectroscopy (EIS) analysis, the highest value achieved is 4.74 x 10(-6) S cm(-1) at x = 0.4. The substitutions of di-metal have affected the bulk resistance of the electrolytes. Dielectric constant of the electrolyte is at maximum when x = 0.4. The electrolytes follow non-Debye behavior as it shows a variation of relaxation times. Journal of New Materials for Electrochemical Systems 2021-10 Article PeerReviewed Rusdi, Hashlina and Mohamed, Nor Sabirin and Subban, Ri Hanum Yahaya and Rusdi, Roshidah (2021) Di-metal element substitution of Al3+ and Ti4+ in improving electrochemical and structural behavior of ceramic solid electrolytes. Journal of New Materials for Electrochemical Systems, 24 (4). pp. 278-283. ISSN 1480-2422, DOI https://doi.org/10.18280/jnmes.v24i4.a07 <https://doi.org/10.18280/jnmes.v24i4.a07>. 10.18280/jnmes.v24i4.a07
institution Universiti Malaya
building UM Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Malaya
content_source UM Research Repository
url_provider http://eprints.um.edu.my/
topic QC Physics
QD Chemistry
spellingShingle QC Physics
QD Chemistry
Rusdi, Hashlina
Mohamed, Nor Sabirin
Subban, Ri Hanum Yahaya
Rusdi, Roshidah
Di-metal element substitution of Al3+ and Ti4+ in improving electrochemical and structural behavior of ceramic solid electrolytes
description Mechanical milling method is performed to prepare Li1+xAlxTixSn2-2xP3O12 (x = 0.2, 0.4, 0.6, 0.8) NASICON-based ceramic solid electrolyte at 650 oC. X-ray diffraction (XRD) showed that Li1.4Al0.4Ti0.4Sn1.2P3O12 has almost pure compound that is isostructural to LiSn2(PO4)(3) and the addition of Al3+ and Ti4+ have reduced the cell volume of the electrolytes. Side occupancy factor studies verified that the electrolyte with x = 0.4 possessed Sn:Ti:Al ratio close to the theoritical ratio. Field emission scanning electron microscopy analysis portrayed that all electrolytes have flaky type morphology. From electrochemical impedance spectroscopy (EIS) analysis, the highest value achieved is 4.74 x 10(-6) S cm(-1) at x = 0.4. The substitutions of di-metal have affected the bulk resistance of the electrolytes. Dielectric constant of the electrolyte is at maximum when x = 0.4. The electrolytes follow non-Debye behavior as it shows a variation of relaxation times.
format Article
author Rusdi, Hashlina
Mohamed, Nor Sabirin
Subban, Ri Hanum Yahaya
Rusdi, Roshidah
author_facet Rusdi, Hashlina
Mohamed, Nor Sabirin
Subban, Ri Hanum Yahaya
Rusdi, Roshidah
author_sort Rusdi, Hashlina
title Di-metal element substitution of Al3+ and Ti4+ in improving electrochemical and structural behavior of ceramic solid electrolytes
title_short Di-metal element substitution of Al3+ and Ti4+ in improving electrochemical and structural behavior of ceramic solid electrolytes
title_full Di-metal element substitution of Al3+ and Ti4+ in improving electrochemical and structural behavior of ceramic solid electrolytes
title_fullStr Di-metal element substitution of Al3+ and Ti4+ in improving electrochemical and structural behavior of ceramic solid electrolytes
title_full_unstemmed Di-metal element substitution of Al3+ and Ti4+ in improving electrochemical and structural behavior of ceramic solid electrolytes
title_sort di-metal element substitution of al3+ and ti4+ in improving electrochemical and structural behavior of ceramic solid electrolytes
publisher Journal of New Materials for Electrochemical Systems
publishDate 2021
url http://eprints.um.edu.my/35344/
_version_ 1748181079137714176
score 13.211869

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