Study of the oxygen reduction reaction on carbon black modified with Nb-Ru binary oxides - Valim, Ricardo B; Rocha, Robson S; Oliveira, Geiser G; Carneiro, Jussara F; Lindo, Fernando; Zaiat, Marcelo; Lanza, Marcos Roberto de Vasconcelos (Topical Meeting of the International Society of Electrochemistry. Electrochemical properties and Application of Advabced Carbon Materials, 2015)