Introducing Na-sufficient P3-Na0.9Fe0.5Mn0.5O2 as a cathode material for Na-ion batteries

Abhinav Tripathi; Shibo Xi; Satyanarayana Reddy Gajjela; Palani Balaya

doi:10.1039/D0CC03701J

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Introducing Na-sufficient P3-Na_0.9Fe_0.5Mn_0.5O₂ as a cathode material for Na-ion batteries†

Abhinav Tripathi,

^a Shibo Xi,^b Satyanarayana Reddy Gajjela

^a and Palani Balaya

*^a

Author affiliations

* Corresponding authors

^a Department of Mechanical Engineering, National University of Singapore, Singapore 117575, Singapore
E-mail: mpepb@nus.edu.sg

^b Institute of Chemical and Engineering Sciences, A*STAR (Agency for Science; Technology and Research), 1 Pesek Road, Singapore, Singapore

Abstract

P3-Na_0.9Fe_0.5Mn_0.5O₂ is reported as a new P-type cathode material for Na-ion batteries. The P3 structure can accommodate 0.9 mole of Na-ions leading to a high discharge capacity of 155 mA h g⁻¹ and does not require sacrificial salts for full-cell operation. Operando X-ray diffraction and ex situ X-ray absorption studies are also reported.

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Article information

DOI: https://doi.org/10.1039/D0CC03701J
Article type: Communication
Submitted: 25 May 2020
Accepted: 30 Jul 2020
First published: 31 Jul 2020

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Chem. Commun., 2020,56, 10686-10689

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Introducing Na-sufficient P3-Na_0.9Fe_0.5Mn_0.5O₂ as a cathode material for Na-ion batteries

A. Tripathi, S. Xi, S. R. Gajjela and P. Balaya, Chem. Commun., 2020, 56, 10686 DOI: 10.1039/D0CC03701J

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