Characterization and Hydrogen Storage of Surface-Modified Multiwalled Carbon Nanotubes for Fuel Cell Application

<table>XRD patterns of (a) KCl standard, (b) unwashed MWCNTs with KCl crystals, and (c) washed MWCNTs with KCl contaminants synthesized by Co/Ni catalyst precursors at <i>T</i> = 503–623 K for 12 h.</table>

Journal of Nanomaterials

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Figure 3

Figure 3: Characterization and Hydrogen Storage of Surface-Modified Multiwalled Carbon Nanotubes for Fuel Cell Application 