The principal investigators Professor Stefano Passerini, Professor Jens Tübke and Dr. Margret Wohlfahrt-Mehrens participated in a Taiwan-Germany joint workshop on advanced secondary battery technologies at National Cheng Kung University in Tainan. The workshop initiated by the Federal Ministry of Education and Research and the Taiwanese Ministry of Science and Technology was intended to develop joint activities in battery research. Leading battery researchers of both countries met at 7th and 8th February to present their latest findings and to discuss possibilities for cooperation.