Figure 1 (IMAGE) National Research Council of Science & Technology Caption (a) single-atomic catalyst synthesis process using humidifier method, (b) SEM image, (c) cobalt element mapping image, (d) high-resolution STEM image of cobalt single-atomic catalyst Credit Korea Institute of Science and Technology (KIST) Usage Restrictions The sources of photos and research results from KIST must be specified. License Original 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.