Coin Battery (IMAGE) Penn State Caption This is one of the lithium sulfur coin batteries being developed in Penn State's Energy Nanostructure Laboratory (E-Nano). Credit Patrick Mansell, Penn State Usage Restrictions Non commercial use only 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.