Si Nanoparticles (IMAGE) National Institute for Materials Science, Japan Caption Cross-sectional field emission scanning electron microscope (FE-SEM) images of the as-prepared Si anode composed of spray-deposited nanoparticles on stainless steel current collector and the anode in the fully charged state. Credit NIMS Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.