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Boosting electrochemical kinetics of S cathodes for room temperature Na/S batteries

Journal Article


Abstract


  • Due to the low cost and high energy density, the room temperature (RT) Na/S battery system is deemed as one of the best potential energy-storage systems. However, various issues still severely hinder its practical applications, especially the shuttle effect caused by soluble sodium polysulfides (NaPSs) and the low conversion efficiency of S8 and Na2S2/Na2S in S cathodes. Recently, various strategies were adopted into RT-Na/S batteries to boost the electrochemical kinetics of S cathodes, which are capable of significantly accelerating (or altering) the redox process and mitigating the shuttle effect of S cathodes. Herein, the representative works have been systematically reviewed, with emphasis on the roles of carbon-based hosts, covalent S composites, catalytic metal-modified hosts, and other functional components. Furthermore, the future challenges and research directions for the S cathodes have also been prospected in detail to provide guideline for the development of RT-Na/S batteries.

Publication Date


  • 2021

Published In


Citation


  • Jin, F., Wang, B., Wang, J., Wang, Y., Ning, Y., Yang, J., . . . Dou, S. (2021). Boosting electrochemical kinetics of S cathodes for room temperature Na/S batteries. Matter, 4(6), 1768-1800. doi:10.1016/j.matt.2021.03.004

Scopus Eid


  • 2-s2.0-85104948590

Web Of Science Accession Number


Start Page


  • 1768

End Page


  • 1800

Volume


  • 4

Issue


  • 6

Abstract


  • Due to the low cost and high energy density, the room temperature (RT) Na/S battery system is deemed as one of the best potential energy-storage systems. However, various issues still severely hinder its practical applications, especially the shuttle effect caused by soluble sodium polysulfides (NaPSs) and the low conversion efficiency of S8 and Na2S2/Na2S in S cathodes. Recently, various strategies were adopted into RT-Na/S batteries to boost the electrochemical kinetics of S cathodes, which are capable of significantly accelerating (or altering) the redox process and mitigating the shuttle effect of S cathodes. Herein, the representative works have been systematically reviewed, with emphasis on the roles of carbon-based hosts, covalent S composites, catalytic metal-modified hosts, and other functional components. Furthermore, the future challenges and research directions for the S cathodes have also been prospected in detail to provide guideline for the development of RT-Na/S batteries.

Publication Date


  • 2021

Published In


Citation


  • Jin, F., Wang, B., Wang, J., Wang, Y., Ning, Y., Yang, J., . . . Dou, S. (2021). Boosting electrochemical kinetics of S cathodes for room temperature Na/S batteries. Matter, 4(6), 1768-1800. doi:10.1016/j.matt.2021.03.004

Scopus Eid


  • 2-s2.0-85104948590

Web Of Science Accession Number


Start Page


  • 1768

End Page


  • 1800

Volume


  • 4

Issue


  • 6