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Effect of surface modification of \(\hbox {TiO}_{2}\) on the electrochemical performance of lithium–sulfur cell

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Abstract

Surface of \(\hbox {TiO}_{2}\) is known to chemically bind the polysulfides in Li–S cell. In the present study, the effect of surface defects or oxygen vacancies in \(\hbox {TiO}_{2}\) present as a composite with sulfur cathode on the performance of Li–S cell was investigated by using \(\hbox {NaBH}_{4}\) reduced (black colour) \(\hbox {TiO}_{2}\) and pristine (white) \(\hbox {TiO}_{2}\) in cathode. Results show that former is superior in performance.

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Acknowledgements

University Grants Commission, India and Evonik, India, are acknowledged for Dr D S Kothari’s postdoctoral research fellowship (SPM) and \(\hbox {TiO}_{2}\) (P25), respectively.

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Authors and Affiliations

  1. Department of Inorganic and Physical Chemistry, Indian Institute of Science, Bengaluru, 560012, India

    Shyama Prasad Mohanty & Munichandraiah Nookala

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  1. Shyama Prasad Mohanty
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  2. Munichandraiah Nookala
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Correspondence to Munichandraiah Nookala.

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Mohanty, S.P., Nookala, M. Effect of surface modification of \(\hbox {TiO}_{2}\) on the electrochemical performance of lithium–sulfur cell. Bull Mater Sci 41, 136 (2018). https://doi.org/10.1007/s12034-018-1656-5

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  • DOI: https://doi.org/10.1007/s12034-018-1656-5

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