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Figure 9. Molecular structures and TE properties of various ionic liquids, highlighting the effect of cation size and electrical charge. (A) Molecular structures of Rmim-Cl IL and poly(vinyl alcohol) (PVA). (B) TE properties of different ionic liquids, including Seebeck coefficient, ionic conductivity, and thermal conductivity. Reproduced with permission[80]. Copyright 2020, American Chemical Society; (C) Increase in -ΔV as a function of ΔT, representing the Seebeck coefficient by different ionic liquids (neat EMIM:TFSI, EMIM:TFSI/PVDF-HFP, and EMIM:TFSI/PVDF-HFP/PEG). Schematic representation of the primary ion conduction mechanism in ionic liquids, governed by (D) anions and (E) cations. Reproduced under the terms of the Creative Commons CC-BY license[87]. Copyright 2019, Springer Nature.