Effect of Acid- and Ultraviolet/Ozonolysis-Treated MWCNTs on the Electrical and Mechanical Properties of Epoxy Nanocomposites as Bipolar Plate Applications

Figure 7

Surface fracture of (a) EP/G composite, (b) EP/G/As Produced MWCNTs, (c) EP/G/Acid-treated MWCNTs, (d) EP/G/UV/O₃ Treated MWCNTs.

(a)

(b)

(c)

(d)