1. Institute of Energy Technologies (IET-1: Fundamental Electrochemistry), Forschungszentrum Jülich, Jülich 52425, Germany
2. Department of Chemical Engineering, Nano-electrochemistry Laboratory, National Taiwan University of Science and Technology, Taipei City 106, Taiwan
3. Sustainable Electrochemical Energy Development Center, National Taiwan University of Science and Technology, Taipei City 106, Taiwan
4. Institute of Electrical Engineering and Information Technology, FH Aachen − University of Applied Sciences, Aachen 52066, Germany
5. Institute of Physical Chemistry (IPC), RWTH Aachen University, Aachen 52066, Germany
6. Ernst Ruska-Centre for Microscopy and Spectroscopy with Electrons (ER-C 1), Forschungszentrum Jülich GmbH, Jülich 52425, Germany