PT Journal AU Häcker, J Danner, C Sievert, B Biswas, I Zhao-Karger, Z Wagner, N Friedrich, KA TI Investigation of Magnesium–Sulfur Batteries using Electrochemical Impedance Spectroscopy SO Electrochimica acta PY 2020 BP Art. EP Nr.: VL 338 DI 10.1016/j.electacta.2020.135787 LA english ER