The influence of platinum surface oxidation on the performance of a polymer electrolyte membrane fuel cell—probing changes of catalytically active surface sites on a polycrystallin... oleh Maximilian Johann Eckl, Yannick Mattausch, Christoph Karsten Jung, Sebastian Kirsch, Lasse Schmidt, Gerold Huebner, Jonathan Edward Mueller, Ludwig Alfons Kibler, Timo Jacob