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

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

doi:10.1002/celc.201801314

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

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

Department of Advanced Device Materials

Research output: Contribution to journal › Article › peer-review

27 Citations (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 language	English
Pages (from-to)	444-449
Number of pages	6
Journal	ChemElectroChem
Volume	6
Issue number	2
DOIs	https://doi.org/10.1002/celc.201801314
Publication status	Published - Jan 18 2019

All Science Journal Classification (ASJC) codes

Catalysis
Electrochemistry

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title = "Na2FePO4F Fluorophosphate as Positive Insertion Material for Aqueous Sodium-Ion Batteries",

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.",

author = "Lalit Sharma and Kosuke Nakamoto and Ryo Sakamoto and Shigeto Okada and Prabeer Barpanda",

note = "Funding Information: The authors thank the Department of Atomic Energy (DAE) for financial support in form of a DAE-BRNS Young Scientists Research Award (YSRA). The first author (LS) thanks the Ministry of Human Resource Development (MHRD, Govt. of India) for financial support. The structural illustration was drawn using the VESTA software. Publisher Copyright: {\textcopyright} 2019 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim",

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doi = "10.1002/celc.201801314",

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T1 - Na2FePO4F Fluorophosphate as Positive Insertion Material for Aqueous Sodium-Ion Batteries

AU - Sharma, Lalit

AU - Nakamoto, Kosuke

AU - Sakamoto, Ryo

AU - Okada, Shigeto

AU - Barpanda, Prabeer

N1 - Funding Information: The authors thank the Department of Atomic Energy (DAE) for financial support in form of a DAE-BRNS Young Scientists Research Award (YSRA). The first author (LS) thanks the Ministry of Human Resource Development (MHRD, Govt. of India) for financial support. The structural illustration was drawn using the VESTA software. Publisher Copyright: © 2019 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim

PY - 2019/1/18

Y1 - 2019/1/18

N2 - 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.

AB - 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.

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

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