[Figure2] (IMAGE) National Research Council of Science & Technology Caption Dr. Han Joong Tark of KERI holding a model of nitrogen-doped single-walled carbon nanotubes (left) and student researcher Lee Do Geun holding a composite anode material. Credit Korea Electrotechnology Research Institute Usage Restrictions The sources of photos and research results from KERI 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.