The novel battery technology (IMAGE) City University of Hong Kong Caption The team develops novel battery technology with negligible voltage decay, resulting in longer-lasting and more efficient batteries which hold great potential for various applications. Credit City University of Hong Kong Usage Restrictions Image must be used with appropriate caption and credit. 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.