Nafion Titania Nanotubes Nanocomposite Electrolytes for High-Temperature Direct Methanol Fuel Cells

Figure 4

The SEM micrographs of the nanocomposite membranes containing various amounts of TNTs in wt% (a) 0.5, (b) 1.0, and (c) 2.0.

(a)

(b)

(c)