Journal
ENERGY & ENVIRONMENTAL SCIENCE
Volume 14, Issue 4, Pages 1835-1853Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/d0ee03181j
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MOFs/COFs have great potential in Li-S batteries as hosts for sulfur, electrolyte containers, separators, and barriers for blocking Li dendrites. They also offer important prospects for future research in this field.
Lithium-sulfur (Li-S) batteries have emerged as promising energy storage devices due to their high theoretical specific energy densities; their practical applications, however, have been restricted due to their poor cycling stability arising from the shuttle effect of the S cathode and dangerous Li dendrite growth. S and Li can be encapsulated into porous framework hosts to address these issues. Metal-organic frameworks (MOFs)/covalent-organic frameworks (COFs) have shown great potential due to their tunable frameworks, structural diversity, and functional versatility. In this review, the applications of MOFs/COFs for Li-S batteries in terms of the sulfur hosts, electrolyte containers, separators, and Li dendrite blocking barriers are systematically summarized. A short conclusion and outlook regarding future research opportunities for pristine MOFs/COFs for Li-S batteries are also provided.
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