Microstructure of the ceramic in the unprocessed state (left) and after laser processing (right), photographed under a scanning electron microscope. Larger particles reduce the resistance and allow ions to migrate. Photo credit: Institute for Joining and Welding Technology/TU Braunschweig
This image is part of: Picture of the month: Promising solid electrolytes for high-performance rechargeable batteries. Please note the copyright of this image.