Candace Chan1

1, Arizona State Univ, Tempe, Arizona, United States

The garnet-type Li+ ion conductor Li7La3Zr2O12 (LLZO) is a promising candidate as a solid electrolyte for all-solid-state Li-ion batteries. Significant progress towards understanding the structure and properties of LLZO, conventionally synthesized using solid state reaction, has already been made in the last decade. In this talk, I will summarize our recent efforts on the synthesis of nanostructured LLZO using electrospinning, cellulose templating, low-temperature (< 900 oC) sol-gel, and molten salt-based methods as well as our current understanding of the phase evolution of LLZO nanostructures during the formation and calcination processes. The properties of nano-sized LLZO when used as ceramic fillers within solid composite polymer electrolytes and as ceramic pellets will be discussed and compared to conventional LLZO prepared by solid state reaction.