PNNL Whisker Team (IMAGE) DOE/Pacific Northwest National Laboratory Caption PNNL scientists Chongmin Wang, Wu Xu and Yang He with the specially modified environmental transmission electron microscope they used to capture images and video of growing whiskers inside a lithium battery. Credit Photo by Andrea Starr/PNNL Usage Restrictions Please use credit 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.