Credit: Shaojie Chen
(a) Schematic diagram showing the formation and healing process for Li dendrites. (b) Cross-sectional SEM image of the pristine LLZTO pellet. (c) Cross-sectional SEM image and the corresponding EDS mapping of the LLZTO pellet with dendrites (inset: optical picture of the LLZTO pellet with dendrites). (d) Cross-sectional SEM image of the recycled LLZTO pellet (inset: optical picture of the recycled LLZTO pellet).