Crimping (image) Penn State Share Print E-Mail Caption Donghai Wang, left, looks on as post doctoral candidate Guoxing Li assembles a lithium sulfur battery. Dr. Wang oversees the Energy Nanostructure Laboratory at Penn State's Materials Research Lab. His work focuses on nanomaterial development for clean energy technologies, such as batteries, solar cells, fuel cells, and environmental remediation. Credit patrick Mansell, Penn State Usage Restrictions Non commercial use only 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.