1. Department of Mechanical Engineering and Applied Mechanics University of Pennsylvania Philadelphia PA 19104 USA
2. Department of Materials Science and Engineering University of Illinois at Urbana Champaign Urbana IL 61801 USA
3. Xerion Advanced Battery Corp Kettering OH 45420 USA
4. Materials Research Laboratory University of Illinois at Urbana Champaign Urbana IL 61801 USA
5. Vagelos Institute for Energy Science and Technology University of Pennsylvania Philadelphia PA 19104 USA