Dirk Uwe SauerProf. Dr. Dirk Uwe Sauer, Jägerstr. 17/19, 52066 Aachen, Germany, head of chair Electrochemical Energy Conversion and Storage Systems at RWTH Aachen, Dr. Dirk Uwe Sauer works on batteries and renewable energy systems since 1992. After 11 years at theFraunhofer Institute for Solar Energy Systems ISE he became a Professor for "Electrochemical Energy Conversion and Storage Systems" at RWTH Aachen University, the first chair of its kind at German Universities. His research focus is on storage systems in electric vehicles of any kind and in grids with a high penetration of renewable energies, post-mortem analysis, ageing and lifetime prediction of batteries, modelling and diagnostics for batteries, impedance spectroscopy and impedance based modelling, and energy system analysis including sector coupling. He is editor of the "Journal of Energy Storage" and together with Prof. Martin Winter the chair of the annual conference "Advance battery power". Read More Read Less