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Issue 1, 2019

Harnessing the unique properties of 2D materials for advanced lithium–sulfur batteries

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Abstract

In the past decade, lithium–sulfur batteries have attracted tremendous attention owing to their high theoretical energy densities. The electrochemical performances of lithium–sulfur batteries are strongly dependent on the electrode materials. Among all the electrode material candidates, the application of 2D materials in lithium–sulfur batteries including a sulfur cathode, a lithium anode, a separator and/or an electrolyte has gained great success in enhancing their electrochemical performance by overcoming their intrinsic obstacles. Thus, it is necessary to summarize the relationships between the unique features of 2D materials and the electrochemical performances of lithium–sulfur batteries, guiding the development of next-generation lithium–sulfur batteries. In this review, we focus on recent advances in harnessing the unique properties of 2D materials, including their high surface area, 2D feature, high mechanical strength, plentiful active sites and functional groups to improve the electrochemical properties of sulfur cathodes, lithium anodes, electrolytes and/or separators, respectively. Finally, we propose possible directions and strategies for harnessing various properties of 2D materials to promote the development and applications of lithium–sulfur batteries.

Graphical abstract: Harnessing the unique properties of 2D materials for advanced lithium–sulfur batteries

Article information


Submitted
09 Jul 2018
Accepted
29 Aug 2018
First published
29 Aug 2018

Nanoscale Horiz., 2019,4, 77-98
Article type
Review Article

Harnessing the unique properties of 2D materials for advanced lithium–sulfur batteries

B. Li, H. Xu, Y. Ma and S. Yang, Nanoscale Horiz., 2019, 4, 77 DOI: 10.1039/C8NH00170G

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