Ethyl-dimethyl-(ferrocenylmethyl)ammonium-based ionic liquid: Structure, transport, and electrochemical properties of binary solutions in acetonitrile

被引：0

作者：

Arkhipova, Ekaterina A. ^{[1
]}

Levin, Mikhail M. ^{[1
]}

Ivanov, Anton S. ^{[1
]}

Maslakov, Konstantin I. ^{[1
]}

Lyssenko, Konstantin A. ^{[1
]}

Leonov, Alexander A. ^{[2
]}

Song, Shufeng ^{[3
]}

Savilov, Serguei V. ^{[1
]}

机构：

[1] Lomonosov Moscow State Univ, Dept Chem, 1-3 Leninskiye Gory, Moscow 119991, Russia

[2] Fed State Unitary Enterprise All Russian Sci Res I, 17 Radio Str, Moscow 105005, Russia

[3] Chongqing Univ, Coll Aerosp Engn, Chongqing 400044, Peoples R China

来源：

IONICS | 2024年 / 30卷 / 12期

基金：

俄罗斯科学基金会;

关键词：

Ferrocene-based ionic liquid; Ionic conductivity; Activation energy; Density; Electrochemical stability; POTENTIAL ELECTROLYTES; GAMMA-BUTYROLACTONE; CONDUCTIVITY; VISCOSITY; CONDUCTANCE; STABILITY; DENSITY; MIXTURE; CATION; GLASS;

D O I：

10.1007/s11581-024-05855-0

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

This work reports the synthesis and comprehensive physicochemical characterization of ethyl-dimethyl-(ferrocenylmethyl)ammonium bis(trifluoromethylsulfonyl)imide ([Fc1N112][NTf2]) ionic liquid-a promising electrolyte component of redox-flow batteries. The structure of [Fc1N112][NTf2] was analyzed by XRD, NMR, and XPS. The ionic conductivities of [Fc1N112][NTf2] solutions in acetonitrile were measured in the temperature range of 298-348 K and analyzed using the Casteel-Amis, Arrhenius, and Vogel-Fulcher-Tamman equations. The thermo-gravimetric analysis confirmed the high thermal stability of [Fc1N112][NTf2] up to 570 K. The densities of the [Fc1N112][NTf2] binary solutions were measured, and the coefficients of thermal expansion were calculated. Electrochemical stability of [Fc1N112][NTf2] was tested by cyclic voltammetry using [EMIm][NTf2] as a supporting electrolyte. A large electrochemical stability window of 5.38 V was detected.

引用

页码：8117 / 8127

页数：11

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