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. 2013 Aug 19;4(17):2970–2974. doi: 10.1021/jz4016553

Table 2. Cell Characteristicsa from Spectra Obtained through EIS.

IL cs/F g–1 RS/Ω RI/Ω ESR/Ω
[BMMIm][Tf2N] 64.9 9.7 9.9 15.2
[BMPi][Tf2N] 47.8 16.7 21.7 27.6
[BMPy][Tf2N] 69.3 8.9 11.2 15.9
[EtO(CH2)2MMIm][Tf2N] 80.9 7.2 9.0 15.8
[P2225][Tf2N] 30.5 13.6 7.3 20.4
[P222(201)][Tf2N] 82.7 5.9 6.0 11.6
a

cs is the specific capacitance (determined at 10 mHz), RS is the series resistance (see the SI), RI is the ionic resistance (see the SI), and ESR is the equivalent series resistance (determined at 1 kHz)