Anion amphiprotic ionic liquids as protic electrolyte matrices allowing sodium metal plating | Zendy

Piotr Jankowski | Zendy; Karolina Matuszek | Zendy; Marcel Treskow | Zendy; Michel Armand | Zendy; Douglas R. MacFarlane | Zendy; Patrik Johansson | Zendy

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Anion amphiprotic ionic liquids as protic electrolyte matrices allowing sodium metal plating

Author(s) -

Piotr Jankowski,

Karolina Matuszek,

Marcel Treskow,

Michel Armand,

Douglas R. MacFarlane,

Patrik Johansson

Publication year - 2019

Publication title -

chemical communications

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.837

H-Index - 333

eISSN - 1364-548X

pISSN - 1359-7345

DOI - 10.1039/c9cc06083a

Subject(s) - electrolyte , chemistry , plating (geology) , inorganic chemistry , ionic liquid , ion , sodium , ionic bonding , metal , metal ions in aqueous solution , organic chemistry , electrode , catalysis , geophysics , geology

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 HSO 4 - 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.

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