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ORIGINAL RESEARCH article

Front. Chem.
Sec. Electrochemistry
Volume 12 - 2024 | doi: 10.3389/fchem.2024.1440639
This article is part of the Research Topic Recent Trends in Nanomaterials for Energy Storage Technology View all articles

Synthesis and electrochemical studies of NaCoPO4 as an efficient cathode material using natural deep eutectic solvents for aqueous rechargeable sodiumion batteries

Provisionally accepted
Sannapaneni Janardan Sannapaneni Janardan *
  • Department of Chemistry, Gandhi Institute of Technology and Management(GITAM), Bangalore, Karnataka, India

The final, formatted version of the article will be published soon.

    In this work, sodium cobalt phosphate (NaCoPO4) is successfully prepared by a costeffective ionothermal method using deep eutectic solvent (DES) for the first time. The synthesized NaCoPO4 is used to fabricate a cathode material for aqueous rechargeable sodium-ion batteries.The surface morphology of the prepared materials and its compositional analysis are done by using FESEM and EDX analysis respectively. The XRD, SEM and EDX studies reveal that the material has orthorhombic-shaped particle morphology with uniform distribution and is in nanoscale (approximately 50nm). The nature of the cation inserted (Na + Ion insertion) was confirmed by recording CV profiles at different concentrations of Na2SO4 electrolyte. The reversibility of the electrode redox reaction was studied by varying the scan rate in CV studies and found that the electrode exhibits a reversible behavior with a resistive behavior. In GCPL studies, the cell TiO2/2MNa2SO4/NaCoPO4 shows a significant reversibility with a prominent discharge capacity of 85 mAh g -1 at 0.1C and 88% of capacity retention after 100 cycles. Thus, the prepared materials could be behaved as an effective futuristic alternative battery material for rechargeable batteries.

    Keywords: des, rechargeable batteries, NaCoPO4, Cathode, Electrochemical studies

    Received: 29 May 2024; Accepted: 27 Aug 2024.

    Copyright: © 2024 Janardan. This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) or licensor are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

    * Correspondence: Sannapaneni Janardan, Department of Chemistry, Gandhi Institute of Technology and Management(GITAM), Bangalore, 561203, Karnataka, India

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