1. Department of Advanced Materials for Energy Applications Catalonia Institute for Energy Research (IREC) Jardins de les Dones de Negre 1, Sant Adrià del Besòs Barcelona 08930 Spain
2. Centre for Cooperative Research on Alternative Energies (CIC energiGUNE) Basque Research and Technology Alliance (BRTA) Alava Technology Park, Albert Einstein 48 Vitoria‐Gasteiz 01510 Spain
3. Department of Electrochemical Energy Storage ICREA Passeig Lluís Companys 23 Barcelona 08010 Spain