Comparative study of different methods for preparation of Co'OIND.x'/C toward electro sinthesys of hydrogen peroxide - Rascio, Daniel C.; Souza, Rodrigo F. B.; Calegaro, Marcelo Luiz; Oliveira, R. T. S.; Gaubeur, Ivanise; Lanza, Marcos Roberto de Vasconcelos; Santos, Mauro C. (International Symposium on Advanced Materials and Nanostructures - ISAMN, 2009)