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A Hybrid Anion for Ionic Liquid and Battery Electrolyte Applications: Half Triflamide, Half Carbonate
Author(s) -
GundersonBriggs Kaitlyn E.,
Rüther Thomas,
Best Adam S.,
Kar Mega,
Forsyth Craig,
Izgorodiana Ekaterina I.,
MacFarlane Douglas R.,
Hollenkamp Anthony F.
Publication year - 2019
Publication title -
angewandte chemie international edition
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.831
H-Index - 550
eISSN - 1521-3773
pISSN - 1433-7851
DOI - 10.1002/anie.201813091
Subject(s) - imide , ionic liquid , electrolyte , chemistry , electrochemistry , inorganic chemistry , ion , sodium , salt (chemistry) , battery (electricity) , polymer chemistry , organic chemistry , electrode , catalysis , power (physics) , physics , quantum mechanics
The synthesis of a new imide type anion, methylcarbonate(trifluoromethylsulfonyl)imide (MCTFSI) is described and the physicochemical properties of its sodium and N ‐butyl‐ N ‐methyl pyrrolidinium salts as well as structural information obtained by X‐ray diffraction studies of the sodium salt are discussed in terms of charge delocalisation, coordination chemistry and electrochemical behaviour with respect to the analogous imdides bis(trifluoromethanesulfonyl)imide (TFSI) and bis(fluorosulfonyl)imide (FSI). The insight obtained from studying the new anion informs and reemphasizes the concept of weakly coordinating anions and coordination chemistry in designing electrolyte salts.