Journal
ADVANCED MATERIALS
Volume 30, Issue 22, Pages -Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/adma.201705590
Keywords
energy density; lithium-sulfur batteries; polysulfide management; polysulfides
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Funding
- Office of Vehicle Technologies of the U.S. Department of Energy through the Advanced Battery Materials Research (BMR) Program (Battery500 Consortium)
- DOE Office of Science [DE-AC02-06CH11357]
- Natural Sciences and Engineering Research Council of Canada (NSERC)
- University of Waterloo
- Waterloo Institute for Nanotechnology
- National Natural Science Foundation of China [51272182, 51772219, 21471116, 51641210]
- Zhejiang Provincial Natural Science Foundation of China [LZ17E020002, LZ15E020002]
- Wenzhou Scientific and Technological in Public Project [G20170018]
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Intermediate polysulfides (S-n, where n = 2-8) play a critical role in both mechanistic understanding and performance improvement of lithium-sulfur batteries. The rational management of polysulfides is of profound significance for high-efficiency sulfur electrochemistry. Here, the key roles of polysulfides are discussed, with regard to their status, behavior, and their correspondingimpact on the lithium-sulfur system. Two schools of thoughts for polysulfide management are proposed, their advantages and disadvantages are compared, and future developments are discussed.
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