1. Department of Advanced Materials for Energy Catalonia Institute for Energy Research (IREC) Jardin de les Dones de Negre 1 Sant Adrià de Besòs (Barcelona) 08930 Spain
2. Department of Materials Chemistry National Institute of Chemistry Hajdrihova 19 Ljubljana SI‐1000 Slovenia
3. Department of Energy Conversion and Storage Functional Oxides group Technical University of Denmark Fysikvej, 310 Kongens Lyngby 233 2800 Denmark
4. Department of Metallurgical and Materials Engineering Colorado School of Mines Golden CO 80401 USA
5. Department of Materials Imperial College London Prince Consort Road London SW7 2BP UK
6. Laboratory of Electron Nanoscopies (LENS) Micro‐Nanotechnology and Nanoscopies for electrophotonic Devices (MIND) Department of Electronics and Biomedical Engineering and Institute of Nanoscience and Nanotechnology (IN2UB) University of Barcelona C/Martí i Franquès 1 Barcelona 08028 Spain
7. TEM‐MAT Unit Scientific and Technological Centers of the University of Barcelona (CCiTUB) C/Lluís Solé i Sabaris 1 Barcelona 08028 Spain
8. ICREA Passeig Lluís Companys 23 Barcelona 08010 Spain