Comparative Studies on [B(HFIP)₄]-Based Electrolytes with Mono- and Divalent Cations

Different Local Structures of Mo and Nb Polyhedra in the Oxide-Ion-Conducting Hexagonal Perovskite-Related Oxide Ba₃MoNbO_8.5 Revealed by ⁹⁵Mo and ⁹³Nb NMR Measurements