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Lithium–Sulfur Batteries: Spiderweb‐Mimicking Anion‐Exchanging Separators for Li–S Batteries (Adv. Funct. Mater. 41/2018)
Author(s) -
Lee YongHyeok,
Kim JungHwan,
Kim JeongHoon,
Yoo JongTae,
Lee SangYoung
Publication year - 2018
Publication title -
advanced functional materials
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 6.069
H-Index - 322
eISSN - 1616-3028
pISSN - 1616-301X
DOI - 10.1002/adfm.201870293
Subject(s) - separator (oil production) , electrochemistry , ion , materials science , membrane , lithium (medication) , ion exchange , voltage , nanotechnology , chemical engineering , electrode , combinatorial chemistry , inorganic chemistry , chemistry , organic chemistry , electrical engineering , physics , medicine , biochemistry , engineering , thermodynamics , endocrinology
Spiderweb‐mimicking anion‐exchangeable separators are presented as a membrane‐driven strategy for the development of high‐performance Li‐S batteries by Sang‐Young Lee and co‐workers in article number 1801422 . The polyionic liquid (PVIm[TFSI])‐based nanomat in the spider separator enables discharge voltage‐dependent, reversible trap/release of polysulfides via an anion exchange reaction between TFSI − anions and polysulfides. The seperator's unique nanomat structure and chemical functionalities exceptionally improve the electrochemical performance of Li‐S batteries.

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