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Single‐Atomic Catalysts Embedded on Nanocarbon Supports for High Energy Density Lithium–Sulfur Batteries
Author(s) -
Wang Jian,
Jia Lujie,
Lin Hongzhen,
Zhang Yuegang
Publication year - 2020
Publication title -
chemsuschem
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 2.412
H-Index - 157
eISSN - 1864-564X
pISSN - 1864-5631
DOI - 10.1002/cssc.202000702
Subject(s) - catalysis , electrochemistry , sulfur , lithium (medication) , energy storage , nanotechnology , energy density , electrochemical energy conversion , materials science , decomposition , chemical engineering , chemistry , electrode , engineering physics , organic chemistry , physics , thermodynamics , engineering , medicine , power (physics) , endocrinology
Lithium–sulfur batteries are among the most promising candidates for next‐generation energy‐storage systems due to its high theoretical energy density. However, the shuttle effect of polysulfides and sluggish reaction kinetics severely hinder the development of practical Li–S batteries. Merely depending on an adsorption strategy to resist the shuttle effect is insufficient to boost the overall electrochemical conversion reaction. Recently, single atom catalysts (SACs) have been used to solve this problem by decreasing the energy barriers of sulfur‐species interconversion and Li 2 S decomposition. Herein, the research progress made in using SACs in Li–S batteries is discussed, focusing on their functions and catalytic mechanism. The challenges and prospects for future application of SACs in electrochemical energy‐storage systems are also discussed.