Research Article

Hydrogen Storage in Iron/Carbon Nanopowder Composite Materials: Effect of Varying Spiked Iron Content on Hydrogen Adsorption

Figure 4

(a) Scanning electron microscopy (SEM) image of original CNP sample; and (b) distribution of pore diameters in Fe/CNP composite materials.
742075.fig.004a
(a)
742075.fig.004b
(b)