Abstract

Glycine-nitrate method is used to synthesize samples in Li6-2xMxZr2O7 (M = Mg, Ca, Zn) systems. Boundaries of single-phase regions of solid solutions based on monoclinic Li6Zr2O7 are roughly determined, temperature dependencies across the range of 300–600°С and concentration dependencies of their conductivity are studied. The maximum lithium cation conductivity of the synthesized solid solutions exceeds the conductivity of undoped Li6Zr2O7 by more than two orders of magnitude. The obtained results are compared with the available literature data on the transport properties of Li6Zr2O7 and solid solutions based on it. The influence of electronegativity of M dopants on the transport properties of the investigated solid electrolytes is studied.

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