Solid-State Magic Angle Spinning (MAS) NMR Spectroscopy technique was used to probe the cation-polymer and cation-anion interactions. Zirconia MAS rotors (2.5 mm diameter) were used to pack the samples inside an argon glovebox. A Bruker 2.5 mm HXY probe spinning at 25 kHz under a 11.7 T magnetic field (500 MHz 1 H frequency) was used to carry out the experiment. One-dimensional Li and 19 F spectra were obtained by a singlepulse experiment. Additionally, a two-dimensional 19 F-7 Li heteronuclear correlation (HETCOR) spectrum was acquired.