Research Article
Characterization and Hydrogen Storage of Surface-Modified Multiwalled Carbon Nanotubes for Fuel Cell Application
Figure 4
XRD patterns of (a) 5 wt% Pd-doped and (b) 4 wt% Ti-NaAlH4-doped MWCNTs synthesized by Co/Ni catalyst precursors at T = 503–623 K for 12 h.