期刊
JOURNAL OF ALLOYS AND COMPOUNDS
卷 555, 期 -, 页码 10-15出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.jallcom.2012.11.203
关键词
Maricite; Sodium; Aqueous; Battery; Rechargeable; Phosphate
资金
- Australian Research Council (ARC) [DP1092543]
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. (C) 2012 Elsevier B. V. All rights reserved.
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