Pyrrolidinium Containing Ionic Liquid Electrolytes for Li-Based Batteries
Ionic liquids are potential alternative electrolytes to the more conventional solid-state options under investigation for future energy storage solutions. This review addresses the utilization of IL electrolytes in energy storage devices, particularly pyrrolidinium-based ILs. These ILs offer favorab...
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doaj-fff4827d0aa2443eba19f5186a1619e82020-12-19T00:03:19ZengMDPI AGMolecules1420-30492020-12-01256002600210.3390/molecules25246002Pyrrolidinium Containing Ionic Liquid Electrolytes for Li-Based BatteriesLouise M. McGrath0James F. Rohan1Electrochemical Materials and Energy Group, Tyndall National Institute, University College Cork, Lee Maltings, T12 R5CP Cork, IrelandElectrochemical Materials and Energy Group, Tyndall National Institute, University College Cork, Lee Maltings, T12 R5CP Cork, IrelandIonic liquids are potential alternative electrolytes to the more conventional solid-state options under investigation for future energy storage solutions. This review addresses the utilization of IL electrolytes in energy storage devices, particularly pyrrolidinium-based ILs. These ILs offer favorable properties, such as high ionic conductivity and the potential for high power drain, low volatility and wide electrochemical stability windows (ESW). The cation/anion combination utilized significantly influences their physical and electrochemical properties, therefore a thorough discussion of different combinations is outlined. Compatibility with a wide array of cathode and anode materials such as LFP, V<sub>2</sub>O<sub>5</sub>, Ge and Sn is exhibited, whereby thin-films and nanostructured materials are investigated for micro energy applications. Polymer gel electrolytes suitable for layer-by-layer fabrication are discussed for the various pyrrolidinium cations, and their compatibility with electrode materials assessed. Recent advancements regarding the modification of typical cations such a 1-butyl-1-methylpyrrolidinium, to produce ether-functionalized or symmetrical cations is discussed.https://www.mdpi.com/1420-3049/25/24/6002anodecathodeelectrolyteenergy storageionic liquidslithium ion batteries |
collection |
DOAJ |
language |
English |
format |
Article |
sources |
DOAJ |
author |
Louise M. McGrath James F. Rohan |
spellingShingle |
Louise M. McGrath James F. Rohan Pyrrolidinium Containing Ionic Liquid Electrolytes for Li-Based Batteries Molecules anode cathode electrolyte energy storage ionic liquids lithium ion batteries |
author_facet |
Louise M. McGrath James F. Rohan |
author_sort |
Louise M. McGrath |
title |
Pyrrolidinium Containing Ionic Liquid Electrolytes for Li-Based Batteries |
title_short |
Pyrrolidinium Containing Ionic Liquid Electrolytes for Li-Based Batteries |
title_full |
Pyrrolidinium Containing Ionic Liquid Electrolytes for Li-Based Batteries |
title_fullStr |
Pyrrolidinium Containing Ionic Liquid Electrolytes for Li-Based Batteries |
title_full_unstemmed |
Pyrrolidinium Containing Ionic Liquid Electrolytes for Li-Based Batteries |
title_sort |
pyrrolidinium containing ionic liquid electrolytes for li-based batteries |
publisher |
MDPI AG |
series |
Molecules |
issn |
1420-3049 |
publishDate |
2020-12-01 |
description |
Ionic liquids are potential alternative electrolytes to the more conventional solid-state options under investigation for future energy storage solutions. This review addresses the utilization of IL electrolytes in energy storage devices, particularly pyrrolidinium-based ILs. These ILs offer favorable properties, such as high ionic conductivity and the potential for high power drain, low volatility and wide electrochemical stability windows (ESW). The cation/anion combination utilized significantly influences their physical and electrochemical properties, therefore a thorough discussion of different combinations is outlined. Compatibility with a wide array of cathode and anode materials such as LFP, V<sub>2</sub>O<sub>5</sub>, Ge and Sn is exhibited, whereby thin-films and nanostructured materials are investigated for micro energy applications. Polymer gel electrolytes suitable for layer-by-layer fabrication are discussed for the various pyrrolidinium cations, and their compatibility with electrode materials assessed. Recent advancements regarding the modification of typical cations such a 1-butyl-1-methylpyrrolidinium, to produce ether-functionalized or symmetrical cations is discussed. |
topic |
anode cathode electrolyte energy storage ionic liquids lithium ion batteries |
url |
https://www.mdpi.com/1420-3049/25/24/6002 |
work_keys_str_mv |
AT louisemmcgrath pyrrolidiniumcontainingionicliquidelectrolytesforlibasedbatteries AT jamesfrohan pyrrolidiniumcontainingionicliquidelectrolytesforlibasedbatteries |
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1724378277398708224 |