Gono, PWiktor, JAmbrosio, FPasquarello, A2018-11-082018-11-082018-11-08201810.1021/acscatal.8b01120https://infoscience.epfl.ch/handle/20.500.14299/151031WOS:000438475100018Surface Polarons Reducing Overpotentials in the Oxygen Evolution Reactiontext::journal::journal article::research article