Non-blocking grain boundaries for Li-ion transport in Li3YCl6 halide electrolyte
Halide solid electrolytes, exemplified by Li3YCl6 (LYC), offer moderate ionic conductivity (∼1 mS/cm), high oxidative stability (>4 V), and good mechanical deformability, making them promising candidates for solid-state lithium batteries. However, the room-temperature ionic conductivity of single-crystal LYC is nearly...