Journal
PHYSICA STATUS SOLIDI-RAPID RESEARCH LETTERS
Volume 12, Issue 10, Pages -Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/pssr.201800249
Keywords
composites; functionalization; lithium-sulfur batteries; multilayers; separators; shuttle effect
Funding
- Fundamental Research Funds for the Chinese Central Universities [ZYGX2015Z003]
- Science & Technology Support Funds of Sichuan Province [2016GZ0151]
- National Natural Science Foundation of China [51702040, 51501030]
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The shuttling effect of polysulfides through the separator is detrimental for the practical application of lithium-sulfur (Li-S) batteries. Tremendous efforts have been centered on inhibiting the shuttle effect by improving traditional separators or designing novel separators. Here, recent advances in addressing the shuttling effect through various strategies are overviewed and discussed. The methods of employing inorganic/carbonic ingredients to fabricate bilayer/trilayer separators with filtration and coating processing are evaluated. Functionalization of polyolefin-based separators to realize the electrostatic repulsion between oxygen/nitrogen groups and sulfur-containing species is also discussed. Then, composite separators incorporated with MOF(metal-organic framework)@GO(graphene oxide), GF(glass fiber)@Mxene, nanowires, etc. are analyzed. In the end, perspectives for realizing stable operation of Li-S batteries are presented for future research.
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