Constriction Susceptibility of Anode Materials in Solid State Batteries

This talk introduces a new concept of cconstriction susceptibility of anode materials found in all-solid-state batteries. X-ray diffraction, transmission electron microscpy, scanning electron microscopy, and elelemntal analysis techniques were used to characterize the structural and chemical details of the anode. Density functional theory simulation and high-throughput computation were used to analyze the constriction suscepibility of materials at anode, which helps categorize and design new anode materials. A proper utilization of the phenomenon can lead to fast plating and stripping of Li metal in the anode at high areal capacity in experiment. A pouch cell made by slurry-casting technique was used to demonstrate the stable and fast cycling capability of such anode design.