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Hybrid MnO2/CNT nanocomposite sheet with enhanced electrochemical performance via surfactant-free wet chemical route

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Abstract

In this work, manganese dioxide (MnO2) were grown onto the surface of multi-walled carbon nanotubes (CNT) forming nanocomposite binder-free sheet, employing wet chemical synthesis method. The structural analysis and morphology of as-synthesised MnO2/CNT-NS (nanocomposite sheet) was characterised using X-ray diffraction, X-ray photoelectron spectroscopy and transmission electron microscopy techniques. Moreover, the electrochemical behaviour of nanocomposite sheet was investigated and it showed high specific capacity of 910.2 F/g and high cyclic stability which was ascribed to its hybrid structure which have benefits of both the high capacity of MnO2 and high conductivity of CNT. This nanocomposite sheet can be a promising electrode material for energy storage devices.

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Acknowledgements

This work is supported by the Department of Science and Technology (DST-SERB), India, for the financial assistance under the scheme of Early Career Research (ECR) Award Ref: ECR/2015/000143.

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Authors and Affiliations

  1. Centre for Advanced Materials Research, School of Engineering and Technology, Jagran Lakecity University, Mugaliyachap, Bhopal, Madhya Pradesh, 462044, India

    Raja Mohan, Rini Paulose & Vandana Parihar

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  1. Raja Mohan
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  2. Rini Paulose
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  3. Vandana Parihar
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Correspondence to Raja Mohan.

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Mohan, R., Paulose, R. & Parihar, V. Hybrid MnO2/CNT nanocomposite sheet with enhanced electrochemical performance via surfactant-free wet chemical route. Ionics 23, 3245–3248 (2017). https://doi.org/10.1007/s11581-017-2277-5

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  • DOI: https://doi.org/10.1007/s11581-017-2277-5

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