Abstract
Ionic liquid gel polymer electrolytes (ILPEs) based on electrospun P(VdF-HFP) membrane were prepared by incorporating RTILs, BMImTFSI or BMImBF4. A suitable BMIm cation based ionic liquid with lithium salt and influence of temperature on electrochemical performance was investigated. The BMImTFSI-based polymer electrolyte with LiTFSI salt showed better electrochemical properties and the properties increase with increasing the operation temperature to 40 ˚C, to 140 mAh g−1 discharge capacity at 1 C-rate. However, after 40 ˚C the properties remained the same even when the temperature was increased at high current density.
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