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Issue 25, 2015
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A spray drying approach for the synthesis of a Na2C6H2O4/CNT nanocomposite anode for sodium-ion batteries

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Abstract

Sodium-ion batteries have attracted extensive attention for large-scale energy storage applications for renewable energy and smart grids owing to their abundant sodium resources and potential low cost. Compared with the numerous available cathodes, very few anodes are viable for sodium-ion batteries. Here we report a highly safe and low-cost nanocomposite, disodium 2,5-dihydroxy-1,4-benzoquinone (Na2C6H2O4)/CNT, prepared by a simple spray drying method, as a high performance anode for sodium-ion batteries. The resulting nanocomposite exhibits a reversible capacity of 259 mA h gāˆ’1 with a first Coulombic efficiency of 88% and excellent rate performance. The average sodium storage voltage is 1.4 V, which prevents the formation of a solid electrolyte interphase layer and consequently ensures high safety, high first Coulombic efficiency and superior rate performance.

Graphical abstract: A spray drying approach for the synthesis of a Na2C6H2O4/CNT nanocomposite anode for sodium-ion batteries

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Publication details

The article was received on 30 Apr 2015, accepted on 20 May 2015 and first published on 25 May 2015


Article type: Communication
DOI: 10.1039/C5TA03192C
Author version available: Download Author version (PDF)
Citation: J. Mater. Chem. A, 2015,3, 13193-13197
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    A spray drying approach for the synthesis of a Na2C6H2O4/CNT nanocomposite anode for sodium-ion batteries

    X. Wu, J. Ma, Q. Ma, S. Xu, Y. Hu, Y. Sun, H. Li, L. Chen and X. Huang, J. Mater. Chem. A, 2015, 3, 13193
    DOI: 10.1039/C5TA03192C

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