Na2FePO4F Fluorophosphate as Positive Insertion Material for Aqueous Sodium-Ion Batteries

Lalit Sharma, Kosuke Nakamoto, Ryo Sakamoto, Shigeto Okada, Prabeer Barpanda

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

Exploring stable and economic cathodes for aqueous sodium-ion batteries, we have investigated iron-based fluorophosphate (Na2FePO4F) as a compound for applications in aqueous battery systems. Solution combustion synthesized Na2FePO4F is found to act as an efficient cathode for aqueous Na-ion batteries delivering a reversible capacity over 85 mAh g−1 (at a rate of 1 mA cm−2) with excellent rate kinetics. Further, this layered Na2FePO4F has been successfully implemented to design a full aqueous cell with NASICON-type NaTi2(PO4)3 as anode, delivering a reversible capacity of 90 mAh g−1. In conclusion, Na2FePO4F is proposed as a potential cathode material for aqueous Na-ion batteries.

Original languageEnglish
Pages (from-to)444-449
Number of pages6
JournalChemElectroChem
Volume6
Issue number2
DOIs
Publication statusPublished - Jan 18 2019

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fluorophosphate
Cathodes
Sodium
Ions
Anodes
Iron
Economics
Kinetics

All Science Journal Classification (ASJC) codes

  • Catalysis
  • Electrochemistry

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Na2FePO4F Fluorophosphate as Positive Insertion Material for Aqueous Sodium-Ion Batteries. / Sharma, Lalit; Nakamoto, Kosuke; Sakamoto, Ryo; Okada, Shigeto; Barpanda, Prabeer.

In: ChemElectroChem, Vol. 6, No. 2, 18.01.2019, p. 444-449.

Research output: Contribution to journalArticle

Sharma, Lalit ; Nakamoto, Kosuke ; Sakamoto, Ryo ; Okada, Shigeto ; Barpanda, Prabeer. / Na2FePO4F Fluorophosphate as Positive Insertion Material for Aqueous Sodium-Ion Batteries. In: ChemElectroChem. 2019 ; Vol. 6, No. 2. pp. 444-449.
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