Anion amphiprotic ionic liquids as protic electrolyte matrices allowing sodium metal plating
Journal article, 2019

The sodium-ion battery (SIB) is proposed as a complementary technology to today's commercially dominant lithium-ion battery (LIB). While much know-how can be transferred from LIBs to SIBs, adjustments are still necessary, not the least for the electrolytes employed. Here the use of anion amphiprotic ionic liquid (AAIL) based electrolytes is proposed for SIB application. Two different AAILs, based on organic trifluoromethylsulfonylamide (TFSAm) and inorganic HSO4- anions, respectively, doped with NaTFSI salt have been studied, focusing on electrochemical stability and transport properties, complemented by studies of the ion-ion interactions, and final sodium-ion battery performance via stripping/plating vs. sodium metal electrodes.


Piotr Jankowski

Chalmers, Physics, Materials Physics

Karolina Matuszek

Monash University

Marcel Treskow

Chalmers, Physics, Materials Physics

Michel Armand


D. R. MacFarlane

Monash University

Patrik Johansson

Chalmers, Physics, Materials Physics

Chemical Communications

13597345 (ISSN) 1364548X (eISSN)

Vol. 55 83 12523-12526

Subject Categories

Inorganic Chemistry

Materials Chemistry

Other Chemical Engineering

Other Physics Topics





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