Piperazinium Poly(Ionic Liquid)s as Solid Electrolytes for Lithium Batteries.

Authors :: Gallastegui A
Lingua G
Lopez-Larrea N
Carfora R
Pasini D
Mantione D
Mecerreyes D
Source :: Macromolecular rapid communications [Macromol Rapid Commun] 2024 Aug; Vol. 45 (16), pp. e2400184. Date of Electronic Publication: 2024 Jul 01.
Publication Year :: 2024
Abstract: Poly(ionic liquid)s combine the unique properties of ionic liquids (ILs) within ionic polymers holding significant promise for energy storage applications. It is reported here the synthesis and characterization of a new family of poly(ionic liquid)s synthesized from cationic piperazinium ionic liquid monomers. The cationic poly(acrylamide piperazinium) in combination with sulfonamide anions like bis(trifluoromethanesulfonyl) imide (TFSI) and bis(fluorosulfonyl) imide (FSI) are characterized as solid polymer electrolytes. The polymer electrolytes in combination with pyrrolidonium ILs and LiFSI show high ionic conductivity, 5×10 <superscript>-3</superscript> S cm <superscript>-1</superscript> at 100 °C. Piperazinium polymer electrolytes show excellent compatibility with lithium metal reversible plating and stripping at high current density and low temperature 40 °C.<br /> (© 2024 The Author(s). Macromolecular Rapid Communications published by Wiley‐VCH GmbH.)