Abstract:The oxide garnet Li7La3Zr2O12 (LLZO) is a promising solid electrolyte for Li-based batteries due to its high Li-ion conductivity and chemical stability with respect to Li metal anode. However, at room temperature, it crystallizes into a poorly Li-ion conductive tetragonal phase. To this end, supervalent cation doping has been an effective way to stabilize the highly conductive cubic phase and enhance the ionic conductivity of the tetragonal phase at room temperature, through the creation of lithium vacancies. … Show more
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