化学
离子液体
产量(工程)
电化学
水溶液
元素分析
离子键合
电磁干扰
电导率
无机化学
离子电导率
核化学
离子
物理化学
有机化学
电解质
电磁干扰
电极
材料科学
电信
催化作用
计算机科学
冶金
作者
Zhibin Zhou,Masayuki Takeda,Makoto Ue
标识
DOI:10.1016/j.jfluchem.2003.12.003
摘要
Abstract New hydrophobic ionic liquids, 1-ethyl-3-methylimidazolium (EMI+) perfluoroalkyltrifluoroborate ([RfBF3]−) (Rf=C2F5,n-C3F7, and n-C4F9) were prepared in high yield and purity by facile neutralization of 1-ethyl-3-methylimidazolium (EMI+) methylcarbonate (MeOCO2−) with aqueous Hsolv.[RfBF3]solv. solutions. All the salts prepared were characterized by 19 F , 1 H , 11 B NMR, MS and elemental analysis, and thermal and electrochemical properties of these salts have been measured. [EMI][C2F5BF3] melted at lower temperature (−1 °C) than [EMI][BF4] (13 °C), resulting in higher conductivity at low temperature. Its application to double-layer capacitors (DLCs) was examined.
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