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.
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