D. Testa, G. Zuccante, M. Muhyuddin, R. Landone, A. Scommegna, R. Lorenzi, M. Acciarri, E. Petri, F. Soavi, L. Poggini, L. Capozzoli, A. Lavacchi, N. Lamanna, A. Franzetti, L. Zoia, C. Santoro. Giving a new life to waste cigarette butts: transformation into platinum group metal-free electrocatalysts for oxygen reduction reaction in acid, neutral and alkaline environment. Catalysts 2023, 13, 635. DOI: 10.3390/catal13030635 (IF 2022: 3.9) OPEN ACCESSÂ