M.A Kiani - Department of Chemistry, Tarbiat Modares University, P.O. Box ۱۴۱۱۵-۱۷۵, Tehran, Iran
M.F Mousavi
S Ghasemi

The more uniform distribution/dispersion of the nanoparticles, a marginally higher surface area, better thermal stability, and phase purity, are some of the advantages of the preparation of nanocrystalline material by the ultrasonication method. In the recent years fabrication of nanoparticles by sonochemistry is a general method [1].Nickel and its related compound (oxide, hydroxide, and oxyhydroxide) are interest in many fields such as energy storage {batteries (nickel-based batteries and Li ion batteries), supercapacitors [2]}, electrocatalysis [3] and electrochromic