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Issue 18, 2013
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Na0.44MnO2–CNT electrodes for non-aqueous sodium batteries

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Crystalline Na0.44MnO2 materials are readily synthesized via a solid state method followed by mixing with carbon nanotubes (CNTs). The obtained Na0.44MnO2–CNT composites consist of rod-like Na0.44MnO2 particles entangled with CNTs. Their electrochemical properties were thoroughly investigated in assembled non-aqueous Na0.44MnO2–CNT//Na cells using cyclic voltammetry, galvanostatic testing, and electrochemical impedance spectroscopy. The results show that the Na0.44MnO2–CNT material can deliver a high capacity over 113 mAh g−1 with stable cycling performance over 40 cycles. In addition, it exhibits an excellent rate capability, delivering a capacity of 95 mAh g−1 at a high rate of 5 C. The high capacity retention combined with remarkable high-rate capability makes Na0.44MnO2–CNT a promising electrode material for advanced Na-ion batteries.

Graphical abstract: Na0.44MnO2–CNT electrodes for non-aqueous sodium batteries

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Publication details

The article was received on 23 Nov 2012, accepted on 21 Feb 2013 and first published on 27 Feb 2013

Article type: Paper
DOI: 10.1039/C3RA23032E
RSC Adv., 2013,3, 6650-6655

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    Na0.44MnO2–CNT electrodes for non-aqueous sodium batteries

    L. Zhao, J. Ni, H. Wang and L. Gao, RSC Adv., 2013, 3, 6650
    DOI: 10.1039/C3RA23032E

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