期刊
MATERIALS TODAY
卷 49, 期 -, 页码 253-270出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.mattod.2021.03.017
关键词
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资金
- Innovation-Driven Project of Central South University [2019CX033]
- National Natural Science Foundation of China [51904344]
- Georgia Institute of Technology
This review discusses various approaches for producing Li2S-based nano- and micron-scale composite particles and standalone electrodes aiming to overcoming challenges. Additionally, strategies for electrolyte optimizations are also discussed. The perspective on the gaps between research demonstrations and mass-market commercialization requirements is shared.
Lithium-sulfur (Li-S) batteries based on elemental sulfur cathodes require the use of highly reactive metallic Li or Li alloy anodes in cell constructions. In order to match with safer Li-free anodes, lithium sulfide (Li2S) has been studied as a promising alternative cathode material for lightweight Li and Li-ion batteries. However, intrinsically high electrical resistance, large first charge barrier, dissolution during cycling and polysulfide shuttle limit the electrochemical performance of Li2S. In this review, we discuss various approaches for producing Li2S-based nano- and micron-scale composite particles and standalone electrodes aiming to overcoming such challenges. In addition, we discuss strategies for electrolyte optimizations. Finally, we share our perspective on the gaps between the state-of-the art research demonstrations and the requirements for successful mass-market commercialization.
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