Novel Anodic Catalyst Support for Direct Methanol Fuel Cell: Characterizations and Single-Cell Performances

Table 4 Comparison of the current density results with the different catalyst supports

Catalyst	ECSA, [m²/g_PtRu]	Peak potential, [V vs. Ag/AgCl]	Onset potential, [V vs. Ag/AgCl]	Peak current density, [mA/mg_PtRu]	CO tolerance, I_f/I_b ratio
PtRu/TiO₂-CNF	10.4	0.639	0.305	345.64	4.73
PtRu/C	0.94	0.657	0.388	62.336	2.13
PtRu/CNF	8.4	0.542	0.315	186.29	15.4
PtRu/TiO₂	0.76	0.686	0.571	16.03	2.51