Issue 38, 2023

Single-atom site catalysis in Li–S batteries

Abstract

With their high theoretical energy density, Li–S batteries are regarded as the ideal battery system for next generation electrochemical energy storage. In the last 15 years, Li–S batteries have made outstanding academic progress. Recently, research studies have placed more emphasis on their practical application aspects, which puts forward strict requirements for the loading of S cathodes and the amount of electrolytes. To meet the above requirements, electrode catalysis design is of crucial significance. Among all the catalysts, single-atom site catalysts (SASCs) are considered to be ideal catalyst materials for the commercialization of Li–S batteries due to their high activity and highest utilization of catalytic sites. This perspective introduces the kinetic mechanism of S cathodes, the basic concept and synthesis strategy of SASCs, and then systematically summarizes the research progress of SASCs for S cathodes and, the related functional interlayers/separators in recent years. Finally, the opportunities and challenges of SASCs in Li–S batteries are summarized and prospected.

Graphical abstract: Single-atom site catalysis in Li–S batteries

Article information

Article type
Perspective
Submitted
20 Jun 2023
Accepted
07 Aug 2023
First published
07 Sep 2023

Phys. Chem. Chem. Phys., 2023,25, 25942-25960

Single-atom site catalysis in Li–S batteries

K. Wang, S. Liu, Z. Shu, Q. Zheng, M. Zheng and Q. Dong, Phys. Chem. Chem. Phys., 2023, 25, 25942 DOI: 10.1039/D3CP02857G

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