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Reversible sodiation in maricite NaMn1/3Co1/3Ni1/3PO4 for renewable energy storage

Minakshi, M. and Meyrick, D. (2013) Reversible sodiation in maricite NaMn1/3Co1/3Ni1/3PO4 for renewable energy storage. Journal of Alloys and Compounds, 555 . pp. 10-15.

Link to Published Version: http://dx.doi.org/10.1016/j.jallcom.2012.11.203
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Abstract

Battery technology is now at a point where water based sodium batteries may take a place in large-scale applications such as electrical grid stabilization. The starting point for new aqueous based sodium battery technology is to understand the fundamental differences between lithium versus sodium in similar host materials synthesized via non-ceramic synthetic approaches. The new sodium phosphate host compound, NaMn1/3Co1/3Ni1/3PO4, has been synthesized using sol-gel and combustion routes. The framework of sodium phosphate with a maricite structure is analogous to olivine based lithium phosphate compound, except the M(1) and M(2) sites have reverse occupancies. Physical and electrochemical characterization indicate that the combustion synthesized sodium analogue is fully reversible (electrochemically intercalating and de-intercalating sodium ions) in water based NaOH electrolyte for multiple cycles.

Publication Type: Journal Article
Murdoch Affiliation: School of Engineering and Information Technology
Publisher: Elsevier B.V.
Copyright: © 2012 Elsevier B.V.
URI: http://researchrepository.murdoch.edu.au/id/eprint/13064
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