Yan Yao, University of Houston (IMAGE) University of Houston Caption Yan Yao, Cullen Professor of Electrical and Computer Engineering at the University of Houston, is a leader in the development of multivalent metal-ion batteries. Credit University of Houston Usage Restrictions None 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.