Indian Journal of Science and Technology
DOI: 10.17485/ijst/2020/v13i03/149476
Year: 2020, Volume: 13, Issue: 3, Pages: 277 – 285
Original Article
Ali Moulahi1, Mohamed Abdefattah Ibrahim1,2, Issam Mjejri3, Abdulhadi Hamad Al-Marri1 and Faouzi Sediri3,
1Department of Chemistry, Al-Wajha University College, Tabuk, Saudi Arabia
2Department of Chemistry, Faculty of Science in El-Arish, El-Arish University, North Sinai, Egypt
3Materials and Environment Research Unit (UR15ES01), IPEIT, University of Tunis, Rue Jawaher Lel Nahru, 1089 Montfleury, Tunisia
*Author for correspondence:
Faouzi Sediri
Materials and Environment Research Unit (UR15ES01), IPEIT, University of Tunis, Rue Jawaher Lel Nahru, 1089 Montfleury, Tunisia
E-mail ID: sediri68@gmail.com
Objectives/methods: Nano-MoO2, with different allotropic forms is synthesized through a reduction reaction of molybdenum trioxide in aqueous solutions using ethylene glycol. The structure and morphology characterizations are carried out by XRD, SEM, and Raman. The XRD and SEM data indicate the as-prepared samples present a single and homogeneous phase MoO2 with monocline symmetry.
Findings/application: The optical properties of the as-synthesized samples are investigated by photoluminescence. Cyclic voltammetric characterization of MoO2 films has revealed reversible redox behavior with charge–discharge cycling which corresponds to the reversible lithium intercalation/deintercalation. The electrochemical properties study of the MoO2 has showed that the monoclinic MoO2 has a good stability and a nice reversibility, an indicator that the molybdenum dioxide is most suitable for application in lithium-ion batteries (LIBs).
Keywords: Hydrothermal Treatment; Electrode Materials; Electrochemical Properties; Lithium-ion Batteries.
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