Table 6.

Comparison of the DMFC performance in the passive mode with the results obtained by other researchers.

Electrocatalysts	Electrocatalyst Loading (mg/cm2)	Power Density (mW/cm2)	Reference
PtRu/CNC-Ppy750	2	3.35	This study
PtRu/CB	2	1.95	This study
PtRu/C	2	2.20	Abdullah et al., 2018 [58]
PtRu/C	2	1.7	Hashim et al., 2009 [69]
PtRu/C	2	3.0	Shimizu et al., 2004 [70]