Coin cell, pouch cell (IMAGE) DOE/Pacific Northwest National Laboratory Caption The PNNL team worked on pouch cells (top), which are much more realistic compared to coin cells (bottom). Credit Photos courtesy of Jie Xiao | Pacific Northwest National Laboratory Usage Restrictions Please use credit info 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.