1. Institute for Applied Materials─Energy Storage Systems (IAM-ESS), Karlsruhe Institute of Technology, Eggenstein-Leopoldshafen D-76344, Germany
2. Helmholtz Institute Ulm for Electrochemical Energy Storage (HIU), Ulm 89081, Germany
3. Institute for Applied Materials─Applied Materials Physics (IAM-AWP), Karlsruhe Institute of Technology, Eggenstein-Leopoldshafen D-76344, Germany
4. Institute of Nanotechnology and Karlsruhe Nano Micro Facility, Eggenstein-Leopoldshafen D-76344, Germany
5. A. J. Drexel Nanomaterials Institute and Department of Materials Science and Engineering, Drexel University, Philadelphia, Pennsylvania 19104, United States