Figure 2 (IMAGE) National Research Council of Science & Technology Caption Changes in the price of cathode materials over the past three years (left), performance comparison of manganese-based cathode materials compared to other cathode materials (right). The square indicates the manganese-based cathode material studied with this achievement. Credit Korea Institute of Science and Technology 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.