The catalytic activity of zirconium oxide-Printex 6L carbon composite towards oxygen reduction reaction - Carneiro, J. F; Reis, J B; Hammer, P; Santos, M C; Bertazzoli, R; Lanza, Marcos Roberto de Vasconcelos (Topical Meeting of the International Society of Electrochemistry. Electrochemical Properties and Applications of Advanced Carbon Materials, 2015)