Giving New Life to Waste Cigarette Butts: Transformation into Platinum Group Metal-Free Electrocatalysts for Oxygen Reduction Reaction in Acid, Neutral and Alkaline Environment oleh Davide Testa, Giovanni Zuccante, Mohsin Muhyuddin, Roberto Landone, Axel Scommegna, Roberto Lorenzi, Maurizio Acciarri, Elisabetta Petri, Francesca Soavi, Lorenzo Poggini, Laura Capozzoli, Alessandro Lavacchi, Niccolò Lamanna, Andrea Franzetti, Luca Zoia, Carlo Santoro