Fabrication of Nickel Nanotube Using Anodic Oxidation and Electrochemical Deposition Technologies and Its Hydrogen Storage Property

Figure 9

The cyclic voltammetry curves of nickel nanotubes and nickel powder microelectrode and empty Pt microelectrode at different scanning speed. (a) Scanning speed 5 MV/s. (b) Scanning speed 30 MV/s. (c) Scanning speed 50 MV/s.

(a)

(b)

(c)