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1-ethyl-1-methylpyrrolidinium bis(trifluoromethanesulfonyl) imide in combination with 1-propyl-3-methylimidazolium iodide (PMII) forms a solid-state electrolyte with long-term stability, which can be used in dye-sensitized solar cells (DSSCs).

Ionic liquids (ILs) are molten salts with melting points lower than 100 °C. They usually consist of pair of organic cation and anion. ILs exhibit unique properties such as non-volatility, high thermal stability, and high ionic conductivity and find applications as electrolytes in lithium/sodium ion batteries and dye-sensitized solar cells. They are also used as media for synthesis of conducting polymers and intercalation electrode materials.

1-Ethyl-1-methylpyrrolidinium bis(trifluoromethylsulfonyl)imide is a class of electrolytic materials that can be used in the fabrication of lithium-ion batteries. Lithium-ion batteries consist of anode, cathode, and electrolyte with a charge-discharge cycle. These materials enable the formation of greener and sustainable batteries for electrical energy storage.