2021
DOI: 10.3390/ma14144000
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Ionic Liquid Electrolytes for Electrochemical Energy Storage Devices

Abstract: For decades, improvements in electrolytes and electrodes have driven the development of electrochemical energy storage devices. Generally, electrodes and electrolytes should not be developed separately due to the importance of the interaction at their interface. The energy storage ability and safety of energy storage devices are in fact determined by the arrangement of ions and electrons between the electrode and the electrolyte. In this paper, the physicochemical and electrochemical properties of lithium-ion … Show more

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Cited by 52 publications
(28 citation statements)
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References 157 publications
(201 reference statements)
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“…Ionic liquid (IL) electrolytes exist as liquid state, and consist of organic anions and cations, coupled with soluble K salt. [20] The opposite ions are achieved by the thermal melting rather than solvation by solvent. They are demonstrated to possess F I G U R E  Classifications and characteristics of K-based batteries excellent electrochemical and thermal stability, low volatility, and fire resistance.…”
Section:  Electrolytes For K-based Batteries  Classifications Of E...mentioning
confidence: 99%
“…Ionic liquid (IL) electrolytes exist as liquid state, and consist of organic anions and cations, coupled with soluble K salt. [20] The opposite ions are achieved by the thermal melting rather than solvation by solvent. They are demonstrated to possess F I G U R E  Classifications and characteristics of K-based batteries excellent electrochemical and thermal stability, low volatility, and fire resistance.…”
Section:  Electrolytes For K-based Batteries  Classifications Of E...mentioning
confidence: 99%
“…An emerging way to achieve high oxidation stability (>5.5 V vs. Li + /Li) for a graphite and Li metal anode was performed by Qian et al 4 M LiTFSI salt was added to IL:1-Methyl-1-propyl-3-fluoropyrrolidinium and bis(fluorosulfonyl)-imide ([PfMpyr][FSI]), resulting in a higher potential window [ 66 ]. Howlett et al [ 67 ] manufactured a high-energy-density LIB using LiFSI salt and N-propyl-N-methylpyrrolidinium bis(fluorosulfonyl)imide anion ([C 3 mpyr][FSI]) that eliminated dendritic growth despite the rapid rate of charging. In terms of stability, although IL-doped electrolytes show lower ionic conductivity than traditional carbonate electrolytes (8–12 S cm −1 ), the entire performance of IL electrolyte-based LIB remains almost constant and shows rather higher stability.…”
Section: Types Of Electrolytesmentioning
confidence: 99%
“…Continuous progress and comprehensive knowledge of the development of functional materials are essential to meet the demands of the rapidly growing energy sectors. Polymeric gels are a type of soft material that is gaining increasing attention in the electrochemical energy storage, conversion, sensing, gas sorption, and biomedical sectors [ 1 , 2 , 3 , 4 , 5 , 6 ]. Gels are three-dimensional networks of cross-linked polymeric units in liquid systems with variable pore sizes that exhibit exceptional structural derivability, including high water/solvent swellability, materials permeability, and tunable mechanical elasticity [ 7 , 8 ].…”
Section: Introductionmentioning
confidence: 99%