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MXene-engineered lithium–sulfur batteries

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Abstract

Lithium–sulfur (Li–S) batteries are one of the promising next-generation energy storage systems. Tremendous efforts have been devoted to developing conductive nanoarchitectures for improving sulfur utilization and cycling stability. MXenes, a family of 2D transition metal carbides, nitrides and carbonitrides, have recently captured considerable attention in energy storage and conversion. Herein, we have summarized recent advances of MXene-based materials in the cathodes, anodes and separators of Li–S batteries and highlighted the theoretical and experimental importance of high polarity and rich surface chemistry in polysulfide trapping. Their superiority for suppressing polysulfide shuttling and improving sulfur utilization has been demonstrated. We have also concluded the perspectives and challenges that need to be addressed for MXene-based Li–S batteries and some new strategies have been proposed to improve the electrochemical performance, which shed light on future development of MXene-based materials in high-energy-density Li–S batteries.

Graphical abstract: MXene-engineered lithium–sulfur batteries

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Publication details

The article was received on 06 Aug 2019, accepted on 10 Sep 2019 and first published on 11 Sep 2019


Article type: Review Article
DOI: 10.1039/C9TA08600E
J. Mater. Chem. A, 2019, Advance Article

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    MXene-engineered lithium–sulfur batteries

    Z. Xiao, Z. Li, X. Meng and R. Wang, J. Mater. Chem. A, 2019, Advance Article , DOI: 10.1039/C9TA08600E

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