Investigation on the Electrochemical Performances of Mn2O3 as a Potential Anode for Na-Ion Batteries

Yusoff, Nor Fazila Mahamad and Idris, Nurul Hayati and Din, Muhamad Faiz Md. and Majid, Siti Rohana and Harun, Noor Aniza and Rahman, Md. Mokhlesur (2020) Investigation on the Electrochemical Performances of Mn2O3 as a Potential Anode for Na-Ion Batteries. Scientific Reports, 10 (1). p. 9207. ISSN 2045-2322, DOI

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Currently, the development of the sodium-ion (Na-ion) batteries as an alternative to lithium-ion batteries has been accelerated to meet the energy demands of large-scale power applications. The difficulty of obtaining suitable electrode materials capable of storing large amount of Na-ion arises from the large radius of Na-ion that restricts its reversible capacity. Herein, Mn2O3 powders are synthesised through the thermal conversion of MnCO3 and reported for the first time as an anode for Na-ion batteries. The phase, morphology and charge/discharge characteristics of Mn2O3 obtained are evaluated systematically. The cubic-like Mn2O3 with particle sizes approximately 1.0–1.5 µm coupled with the formation of Mn2O3 sub-units on its surface create a positive effect on the insertion/deinsertion of Na-ion. Mn2O3 delivers a first discharge capacity of 544 mAh g−1 and retains its capacity by 85% after 200 cycles at 100 mA g−1, demonstrating the excellent cyclability of the Mn2O3 electrode. Therefore, this study provides a significant contribution towards exploring the potential of Mn2O3 as a promising anode in the development of Na-ion batteries. © 2020, The Author(s).

Item Type: Article
Funders: Universiti Malaysia Terengganu: the financial support under Talent And Publication Enhancement-Research Grant (TAPE-RG; vot no. 55158)
Uncontrolled Keywords: Sodium-ion Batteries; Nati2(Po4)3; Ion Storage
Subjects: Q Science > QC Physics
T Technology > TK Electrical engineering. Electronics Nuclear engineering
Divisions: Faculty of Science > Department of Physics
Depositing User: Ms. Juhaida Abd Rahim
Date Deposited: 09 Feb 2021 04:49
Last Modified: 09 Feb 2021 04:49

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