1. Chair for Electrochemical Energy Conversion and Storage Systems Institute for Power Electronics and Electrical Drives (ISEA) RWTH Aachen University 52066 Aachen Germany
2. Technical Development Volkswagen AG 38436 Wolfsburg Germany
3. Helmholtz Institute Münster (HI MS) IEK 12 Forschungszentrum Jülich 52425 Jülich Germany
4. Institute for Power Generation and Storage Systems (PGS) E.ON ERC RWTH Aachen University 52074 Aachen Germany
5. Jülich Aachen Research Alliance JARA-Energy 52056 Aachen Germany