3-D Batteries (IMAGE) Cell Press Caption This photograph depicts the 3-D batteries developed by Janet I. Hur, Leland C. Smith, and Bruce Dunn. Credit Hur et al./<i>Joule</i> Usage Restrictions Credit Required. 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.