Electrical, electrochemical and thermal properties of the ionic liquid + lactone binary mixtures as the potential electrolytes for lithium-ion batteries

Cvjetićanin, Nikola; Papović, Snežana; Šarac, Bojan; Prislan, Iztok; Megušar, Polona; Gadžurić, Slobodan; Bešter‐Rogač, Marija

doi:10.1016/j.molliq.2017.07.129

Cited by 16 publications

(8 citation statements)

References 58 publications

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“…Vraneš et al also observed a similar effect of the suppressing phase transition temperatures of IL when mixing 1-butyl-3-methylimidazolium bis(trifluoromethylsulfonyl)imide ([BMIM][NTf 2 ]) with a variety of lactone solvents, including GBL. 35 This strong effect of shifting T g towards a lower temperature by introducing GBL into the electrolyte can be interpreted by the interactions in the mixture solution at the molecular level. The ionic liquids and molecular liquids are able to establish notable intermolecular interactions through multiple routes.…”

Section: Resultsmentioning

confidence: 99%

Tailoring intermolecular interactions to develop a low-temperature electrolyte system consisting of 1-butyl-3-methylimidazolium iodide and organic solvents

Lin

MacDonald

et al. 2019

RSC Adv.

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Section: Resultsmentioning

confidence: 99%

Tailoring intermolecular interactions to develop a low-temperature electrolyte system consisting of 1-butyl-3-methylimidazolium iodide and organic solvents

Lin

MacDonald

et al. 2019

RSC Adv.

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“…GVL is similar to GBL in an analogous way to PC and ethylene carbonate. Although GVL has been investigated for lithium batteries, GVL has not been as appealing as its cousin GBL [32,39] . An advantage with GVL is that it is obtained from cellulosic biomass and can be considered a “green solvent” [40] .…”

Section: Resultsmentioning

confidence: 99%

“…Although GVL has been investigated for lithium batteries, GVL has not been as appealing as its cousin GBL. [32,39] An advantage with GVL is that it is obtained from cellulosic biomass and can be considered a "green solvent". [40] The liquid temperature window of GVL is respectable, with a freezing and boiling point of À 31°C and 208°C respectively, [40] while the conductivity is close to 10 mS cm À 1 at concentrations of 0.94 molal NaPF 6 .…”

Section: γ-Valerolactone (Gvl)mentioning

confidence: 99%

An Attempt to Formulate Non‐Carbonate Electrolytes for Sodium‐Ion Batteries

Mogensen

Colbin

Younesi

2021

Batteries & Supercaps

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Non‐aqueous carbonate solvents have been the main choice for the development of lithium‐ion batteries, and similarly most research on sodium‐ion batteries have been performed using carbonate‐based solvents. However, the differences between sodium and lithium batteries – in term chemistry/electrochemistry properties as well as electrode materials used – open up opportunities to have a new look at solvents that have attracted little attention as electrolyte solvent. This work investigates properties of a wide range of different solvent classes in the context of sodium‐ion battery electrolytes and compares them to the performance of propylene carbonate. The thirteen solvents studied here include one or several members of glymes, carbonates, lactones, esters, pyrrolidones, sulfones, and alkyl phosphates. Out of those, five outperforming solvents of γ‐butyrolactone (GBL), γ‐valerolactone (GVL), N‐methyl‐2‐pyrrolidone (NMP), propylene carbonate (PC), and trimethyl phosphate (TMP) were further investigated using additives of ethylene sulfite (ES), vinylene carbonate (VC), fluoroethylene carbonate (FEC), prop‐1‐ene‐1,3‐sultone (PES), sulfolane (TMS), tris(trimethylsilyl) phosphite (TTSPI), and sodium bis(oxalato)borate (NaBOB). The solvents TMS and tetraethylene glycol dimethyl ether (TEGDME) were tested in 1 : 1 mixtures by volume with the co‐solvents; NMP, dimethoxyethane (DME), and TMP. All electrolytes used NaPF6 as the salt. Primary evaluation relied on electrochemical cycling of full‐cell sodium‐ion batteries consisting of Prussian white cathodes and hard‐carbon anodes. Galvanostatic cycling was performed using both two‐ and three‐electrode cells, in addition, cyclic and linear sweep voltammetry was used to further evaluate the electrolyte formulations. Moreover, the resistance was measured on the anode and cathode, using Intermittent current interruption (ICI) technique.

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“…Nevertheless, this ESW (~4.14 V) is acceptable for electrochemical device applications. In addition, there are a pair of small current humps at around ±1.3 V, which probably arise from the formation of ion pairs or other by-products during this process [ 51 , 52 ].…”

Section: Resultsmentioning

confidence: 99%

Ionic Liquid-Incorporated Zn-Ion Conducting Polymer Electrolyte Membranes

et al. 2020

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In this study, novel ionic liquid-incorporated Zn-ion conducting polymer electrolyte membranes containing polymer matrix poly (vinylidene fluoride-hexafluoropropylene) (PVdF-HFP) and 1-ethyl-3-methylimidazolium trifluoromethanesulfonate (EMITf), along with zinc trifluoromethanesulfonate Zn(Tf)2, are prepared and investigated. It is ascertained that the optimal membrane ILPE-Zn-4 (the mass ratio of EMITf:Zn(Tf)2:PVDF-HFP is 0.4:0.4:1), with abundant nanopores, exhibits a high amorphousness. At room temperature, the optimized electrolyte membrane offers a good value of ionic conductivity (~1.44 × 10−4 S cm−1), with a wide electrochemical stability window (~4.14 V). Moreover, the electrolyte membrane can sustain a high thermal decomposition temperature (~305 °C), and thus its mechanical performance is sufficient for practical applications. Accordingly, the ionic liquid-incorporated Zn-ion conducting polymer electrolyte could be a potential candidate for Zn-based energy storage applications.

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Electrical, electrochemical and thermal properties of the ionic liquid + lactone binary mixtures as the potential electrolytes for lithium-ion batteries

Cited by 16 publications

References 58 publications

Tailoring intermolecular interactions to develop a low-temperature electrolyte system consisting of 1-butyl-3-methylimidazolium iodide and organic solvents

Tailoring intermolecular interactions to develop a low-temperature electrolyte system consisting of 1-butyl-3-methylimidazolium iodide and organic solvents

An Attempt to Formulate Non‐Carbonate Electrolytes for Sodium‐Ion Batteries

Ionic Liquid-Incorporated Zn-Ion Conducting Polymer Electrolyte Membranes

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