FeSn2 anodes exhibit high elasticity and deformation energy, ensuring good electrochemical stability without cracking

https://www.eurekalert.org/news-releases/1061804

"solid-state batteries... mitigates dendrite growth... particle size reduction due to recombination reactions during repeated charging and discharging, contact between internal solid particles maintained resulting in dense/ uniform electrode... 15.54 mAh/cm² areal capacity, 5X higher, high-rate charging/ discharging >1K cycles under 3-minute (20C current density) 6-minute (10C current density) with >70-80%capacity retention... pouch cell format high energy density >255 Wh/kg demonstrating its commercial potential"