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Title: Revisiting the Role of Polysulfides in Lithium–Sulfur Batteries

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. In this paper, the key roles of polysulfides are discussed, with regard to their status, behavior, and their correspondingimpact on the lithium–sulfur system. Finally, two schools of thoughts for polysulfide management are proposed, their advantages and disadvantages are compared, and future developments are discussed.
Authors:
 [1] ;  [2] ;  [3] ;  [3] ;  [3] ; ORCiD logo [4]
  1. Wenzhou Univ. (China). Nanomaterials and Chemistry Key Lab.; Univ. of Waterloo, ON (Canada). Dept. of Chemical Engineering
  2. Wenzhou Univ. (China). Nanomaterials and Chemistry Key Lab.
  3. Univ. of Waterloo, ON (Canada). Dept. of Chemical Engineering
  4. Argonne National Lab. (ANL), Argonne, IL (United States). Chemical Sciences and Engineering Division
Publication Date:
Grant/Contract Number:
AC02-06CH11357; 51272182; 51772219; 21471116; 51641210; LZ17E020002; LZ15E020002; G20170018
Type:
Accepted Manuscript
Journal Name:
Advanced Materials
Additional Journal Information:
Journal Volume: 30; Journal Issue: 22; Journal ID: ISSN 0935-9648
Publisher:
Wiley
Research Org:
Argonne National Lab. (ANL), Argonne, IL (United States); Univ. of Waterloo, ON (Canada); Wenzhou Univ. (China)
Sponsoring Org:
USDOE Office of Energy Efficiency and Renewable Energy (EERE), Vehicle Technologies Office (EE-3V); USDOE Office of Science (SC); Natural Sciences and Engineering Research Council of Canada (NSERC); National Natural Science Foundation of China (NNSFC); Zhejiang Provincial Natural Science Foundation of China; Wenzhou Scientific and Technological in Public Project (China)
Country of Publication:
United States
Language:
English
Subject:
25 ENERGY STORAGE; energy density; lithium–sulfur batteries; polysulfide management; polysulfides
OSTI Identifier:
1471513
Alternate Identifier(s):
OSTI ID: 1429551