PT Unknown AU Serrer, MA Mutz, B Kalz, KF Lichtenberg, H Lefebvre, J Loewert, M Kirsch, H Pfeifer, P Bajohr, S Kolb, T Dittmeyer, R Grunwaldt, JD TI Synchrotron based operando characterization of Ni- and Co-based P2X catalysts PY 2018 LA english ER