期刊
ADVANCED MATERIALS
卷 34, 期 30, 页码 -出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/adma.202200102
关键词
catalyst engineering; Li-S batteries; lithium dendrites; shuttle effect; single-atom catalysts
类别
资金
- National Natural Science Foundation of China [51771076, 51925207, 52161145101, U1910210, 51872277, NFSC51621001]
- R&D Program in Key Areas of Guangdong Province [2020B0101030005, KY2060000173]
- Joint Fund of the Yulin University
- Dalian National Laboratory for Clean Energy [2021002]
- Guangdong Basic and Applied Basic Research Foundation [2020B1515120049, 2021A1515010153]
The practical applications of lithium-sulfur batteries face limitations due to issues like lithium dendrite growth and polysulfide shuttling, but these hurdles can be mitigated by using single-atom catalysts (SACs) to enhance electrode materials performance. This review systematically summarizes recent progress in SACs for Li-metal anodes, S cathodes, and separators, highlighting their potential to improve energy-storage devices.
Although lithium-sulfur (Li-S) batteries are promising next-generation energy-storage systems, their practical applications are limited by the growth of Li dendrites and lithium polysulfide shuttling. These problems can be mitigated through the use of single-atom catalysts (SACs), which exhibit the advantages of maximal atom utilization efficiency (approximate to 100%) and unique catalytic properties, thus effectively enhancing the performance of electrode materials in energy-storage devices. This review systematically summarizes the recent progress in SACs intended for use in Li-metal anodes, S cathodes, and separators, briefly introducing the operating principles of Li-S batteries, the action mechanisms of the corresponding SACs, and the fundamentals of SACs activity, and then comprehensively describes the main strategies for SACs synthesis. Subsequently, the applications of SACs and the principles of SACs operation in reinforced Li-S batteries as well as other metal-S batteries are individually illustrated, and the major challenges of SACs usage in Li-S batteries as well as future development directions are presented.
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