Recent Advances Of Hollow-structured Sulfur Cathodes For Lithium ...

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Materials Chemistry Frontiers

Recent advances of hollow-structured sulfur cathodes for lithium–sulfur batteries

Xia Huang,a Tengfei Qiu,a Xinghao Zhang,b Lei Wang,c Bin Luo *ab and Lianzhou Wang *a Author affiliations

* Corresponding authors

a Nanomaterials Centre, School of Chemical Engineering and Australian Institute for Bioengineering and Nanotechnology, The University of Queensland, St Lucia, Australia E-mail: [email protected], [email protected]

b State Key Laboratory Base of Eco-chemical Engineering, College of Chemical Engineering, Qingdao University of Science and Technology, Qingdao, P. R. China

c State Key Laboratory Base of Eco-chemical Engineering, College of Chemistry and Molecular Engineering, Qingdao University of Science and Technology, Qingdao, 266042, P. R. China

Abstract

Lithium–sulfur batteries (LSBs) have attracted increasing interest due to their high theoretical energy density and low-cost sulfur. Challenges are still faced in the development of sulfur cathodes, due to the insulating properties of sulfur and lithium sulfide, diffusion of soluble polysulfides and slow redox kinetics of electrochemical conversion reactions. Hollow-structured materials with features such as high specific surface area, tunable pore structure, and controllable morphology and composition have shown great potential to be applied in high performance sulfur cathodes for LSBs. To promote further breakthroughs in this amazing field, this review highlights on the recent advances of hollow-structured sulfur cathodes, with an emphasis on polar inorganic/organic materials that exhibit strong interactions with polysulfides, thus suppressing the unfavourable shuttle effect, and/or efficient catalytic activity towards sulfur conversion reactions, thus improving the redox kinetics. Material design principles, experimental methods and the subsequent effects on electrochemical performance are discussed. The remaining challenges and perspectives associated with sulfur cathode design and battery evaluation are also presented.

• This article is part of the themed collections: Hollow Structures for Energy Applications and 2020 Materials Chemistry Frontiers Review-type Articles

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Article information

DOI https://doi.org/10.1039/D0QM00303D Article type Review Article Submitted 07 May 2020 Accepted 21 Jun 2020 First published 22 Jun 2020

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Mater. Chem. Front., 2020,4, 2517-2547 BibTex EndNote MEDLINE ProCite ReferenceManager RefWorks RIS

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Recent advances of hollow-structured sulfur cathodes for lithium–sulfur batteries

X. Huang, T. Qiu, X. Zhang, L. Wang, B. Luo and L. Wang, Mater. Chem. Front., 2020, 4, 2517 DOI: 10.1039/D0QM00303D

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Xia Huang Tengfei Qiu Xinghao Zhang Lei Wang Bin Luo Lianzhou Wang

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