1. Helmholtz Institute Ulm (HIU) Helmholtzstrasse 11 Ulm 89081 Germany
2. Karlsruhe Institute of Technology (KIT) P.O. Box 3640 Karlsruhe 76021 Germany
3. Institute for Applied Materials – Energy Storage Systems (IAM‐ESS) Karlsruhe Institute of Technology (KIT) Hermann‐von‐Helmholtz‐Platz 1 Eggenstein‐Leopoldshafen 76344 Germany