Na4MnV(PO4)3-rGO as Advanced cathode for aqueous and non-aqueous sodium ion batteries

P. Ramesh Kumar, Aziz Kheireddine, Umair Nisar, R. A. Shakoor, Rachid Essehli, Md. Ruhul Amin, Ilias Belharouak

Research output: Contribution to journalArticle

Abstract

NASICON-type Na4MnV(PO4)3 with reduced graphene oxide (rGO) has been synthesized by the simple sol-gel reaction and characterized by different analytical techniques. The resulted material has been explored as a cathode material for rechargeable non-aqueous and aqueous sodium-ion batteries. In non-aqueous electrolytes, the as-synthesized Na4MnV(PO4)3-rGO composite shows stable discharge capacity of 86 mAh g−1 at 0.1 C and 68 mAh g−1 at 0.2 C after 100 cycles in half-cell and full-cell configurations, respectively. In aqueous electrolytes, it delivers an initial discharge capacity of 92 mAh g−1 at 1 C rate in half-cells and 97 mAh g−1 at 10 C rate in full-cells having NaTi2(PO4)3-MWCNT as the anode. Stable cycleability and high rate capabilities of Na4MnV(PO4)3-rGO composite can be attributed to the very strong and sustainable conductive percolation networks for both electrons and Na+ ions. The obtained results reveal that the aqueous electrolyte cell has a huge scope for gird level energy storage applications.

Original languageEnglish
Pages (from-to)149-155
Number of pages7
JournalJournal of Power Sources
Volume429
DOIs
Publication statusPublished - 31 Jul 2019

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Oxides
Graphene
Electrolytes
electric batteries
graphene
Cathodes
cathodes
Sodium
sodium
Ions
oxides
cells
ions
Composite materials
Energy storage
Sol-gels
electrolytes
nonaqueous electrolytes
Anodes

Keywords

  • Aqueous electrolytes
  • Electrochemical properties
  • Impedance spectroscopy
  • NaMnV(PO)
  • Sodium ion batteries

ASJC Scopus subject areas

  • Renewable Energy, Sustainability and the Environment
  • Energy Engineering and Power Technology
  • Physical and Theoretical Chemistry
  • Electrical and Electronic Engineering

Cite this

Na4MnV(PO4)3-rGO as Advanced cathode for aqueous and non-aqueous sodium ion batteries. / Ramesh Kumar, P.; Kheireddine, Aziz; Nisar, Umair; Shakoor, R. A.; Essehli, Rachid; Amin, Md. Ruhul; Belharouak, Ilias.

In: Journal of Power Sources, Vol. 429, 31.07.2019, p. 149-155.

Research output: Contribution to journalArticle

Ramesh Kumar, P. ; Kheireddine, Aziz ; Nisar, Umair ; Shakoor, R. A. ; Essehli, Rachid ; Amin, Md. Ruhul ; Belharouak, Ilias. / Na4MnV(PO4)3-rGO as Advanced cathode for aqueous and non-aqueous sodium ion batteries. In: Journal of Power Sources. 2019 ; Vol. 429. pp. 149-155.
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AU - Ramesh Kumar, P.

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AU - Shakoor, R. A.

AU - Essehli, Rachid

AU - Amin, Md. Ruhul

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AB - NASICON-type Na4MnV(PO4)3 with reduced graphene oxide (rGO) has been synthesized by the simple sol-gel reaction and characterized by different analytical techniques. The resulted material has been explored as a cathode material for rechargeable non-aqueous and aqueous sodium-ion batteries. In non-aqueous electrolytes, the as-synthesized Na4MnV(PO4)3-rGO composite shows stable discharge capacity of 86 mAh g−1 at 0.1 C and 68 mAh g−1 at 0.2 C after 100 cycles in half-cell and full-cell configurations, respectively. In aqueous electrolytes, it delivers an initial discharge capacity of 92 mAh g−1 at 1 C rate in half-cells and 97 mAh g−1 at 10 C rate in full-cells having NaTi2(PO4)3-MWCNT as the anode. Stable cycleability and high rate capabilities of Na4MnV(PO4)3-rGO composite can be attributed to the very strong and sustainable conductive percolation networks for both electrons and Na+ ions. The obtained results reveal that the aqueous electrolyte cell has a huge scope for gird level energy storage applications.

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