Polybenzoxazine-derived N-doped carbon as matrix for powder-based electrocatalysts - Barwe, Stephan (Ruhr-Universität Bochum. Center for Electrochemical Sciences) ; Andronescu, Corina (Ruhr-Universität Bochum. Center for Electrochemical Sciences) ; Masa, Justus (Ruhr-Universität Bochum. Center for Electrochemical Sciences) ; Ventosa, Edgar (Ruhr-Universität Bochum. Center for Electrochemical Sciences) ; Klink, Stefan (Ruhr-Universität Bochum. Center for Electrochemical Sciences) ; Genç, Aziz (Institut Català de Nanociència i Nanotecnologia) ; Arbiol i Cobos, Jordi (Institut Català de Nanociència i Nanotecnologia) ; Schuhmann, Wolfgang (Ruhr-Universität Bochum (Alemanya))