Research Article

In Situ Synthesis and Characterization of Polyethyleneimine-Modified Carbon Nanotubes Supported PtRu Electrocatalyst for Methanol Oxidation

Figure 7

XRD patterns of pristine MWCNTs, 30 wt% PtRu/PEI-MWCNTs, and 30 wt% PtRu/O-MWCNTs.