Comparative study of different methods for the preparation pof COxOy/C for the electrosynthesis of hydrogen peroxide - Assumpção, M H M T; Rascio, D C; Ladeia, J P B; De Souza, R F B; Teixeira Neto, Érico; Calegaro, Marcelo Luiz; Oliveira, R T S; Gaubeur, I; Lanza, Marcos Roberto de Vasconcelos; Santos, M C (International Journal of Electrochemical Science, 2011)