“…Moreover, due to their relatively high cost, some researchers used ILs as additives in combination with conventional organic electrolytes. Some of the ILs that have been employed in energy storage devices include: 1-ethyl-3-methylimidaz olium bis[(trifluoromethyl)sulfonyl] imide, [84] N-methyl, propyl pyrrolidinium bis(fluorosulfonyl) imide, [85] 1-butyl-3-methylimidazolium o,o-bis(2-ethylhexyl) dithiophosphate (BMIm-DDTP), [86] 1-ethyl-3-methylimidazolium bis(trifluoromethanesulphonyl)imide, [87] and 1-Ethyl-3-methylimidazolium acetate. [88] While ILs hold great promise in future energy storage devices, the current application in energy devices such as battery electrolytes is usually hindered by their high viscosity, resulting in poor ion transport and low ionic conductivity.…”