Sugar Battery (image) Virginia Tech Caption Y.H. Percival Zhang (right), an associate professor of biological systems engineering at Virginia Tech, and Zhiguang Zhu show off their new sugar battery. Credit Virginia Tech College of Agriculture and Life Sciences Usage Restrictions Please credit Virginia Tech College of Agriculture and Life Sciences 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.