New family of highly conductive and low viscous ionic liquids with asymmetric 2,2,2-trifluoromethylsulfonyl-N-cyanoamide anion
作者:Alexander S. Shaplov、Elena I. Lozinskaya、Petr S. Vlasov、Sofia M. Morozova、Dmitrii Y. Antonov、Pierre-Henri Aubert、Michel Armand、Yakov S. Vygodskii
DOI:10.1016/j.electacta.2015.02.228
日期:2015.9
The synthetic pathway for the preparation of potassium salt with novel asymmetric 2,2,2-trifluoromethylsulfonyl-N-cyanoamide (TFSAM, CF3SO2-N-CN) anion in high yield and purity is reported. New family of ionic liquids, based on “classical” 1-methyl-3-alkylimidazolium, N-methyl-N-propylpyrrolidinium, quaternary ammonium or phosphonium non-cyclic cations with TFSAM as counter-anion, were synthesized
报道了以新颖的不对称2,2,2-三氟甲基磺酰基-N-氰胺(TFSAM,CF 3 SO 2 -N-CN)阴离子高产率和高纯度制备钾盐的合成途径。基于“经典” 1-甲基-3-烷基咪唑鎓,N-甲基-N-丙基吡咯烷鎓,季铵或phospho非环状阳离子(以TFSAM作为抗衡阴离子)合成了一系列离子液体,并对其物理性质进行了研究。发现所有盐均为低熔点化合物,大多数在室温下为液体,在25°C下具有低(对于离子液体)粘度和高离子电导率(例如η= 23 cP和σ= 1.1×10 -2)1-乙基-3-甲基咪唑鎓2,2,2-三氟甲基磺酰基-N-氰基酰胺的S / cm)。发现TFSAM IL的电化学稳定性为4.1–4.6V。