3-D Batteries (image) Cell Press Share Print E-Mail Caption This photograph depicts the 3-D batteries developed by Janet I. Hur, Leland C. Smith, and Bruce Dunn. Credit Hur et al./Joule Usage Restrictions Credit Required. Share Print E-Mail 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.