Rafael Ortiz, researcher of HYLANTIC project, attended to the “Joint European Summer School on Fuel Cell, Electrolyser and Battery Technologies (JESS 2018)” from 9 to 21 of September 2018 in Athens, Greece. The summer school consisted on various topics and Rafael participated on “Low Temperature Fuel Cells and Electrolysers (PEFC, alkaline & PEM)” in the first week and “The Modelling Master Class” in the second week. JESS 2018 was organized by the University of Birmingham, the Technical University of Denmark (DTU), Forschungzentrum Jülich and Ulster University.