F. M. Souza, R. F. B. de Souza, B. L. Batista, M. C. dos Santos, F. C. Fonseca, A. O. Neto and J. Nandenha. Methane activation at low temperature in an acidic electrolyte using PdAu/C, PdCu/C, and PdTiO₂/C electrocatalysts for PEMFC, Research on Chemical Intermediates 46, 2481–2496 (2020).