1. Institute of Physical Chemistry; TU Bergakademie Freiberg; Leipziger Str. 29 09599 Freiberg Germany
2. Volkswagen AG; Rudolf-Leiding-Platz 1 34219 Baunatal Germany
3. Institute of Energy Process Engineering and Chemical Engineering; TU Bergakademie Freiberg; Fuchsmühlenweg 9 09599 Freiberg Germany