A new attitude to environment: Preparation of an efficient electrocatalyst for methanol oxidation based on Ni-doped P zeolite nanoparticles synthesized from stem sweep ash

摘要: Abstract Amorphous silica powder was extracted from stem sweep (SS) which grows in the southern parts of Caspian Sea ( Mazandran province, Iran) and used preparation P zeolite nanoparticles. X-ray diffraction, scanning electronic microscopy, transmission electron microscopy FT-IR techniques were to characterize SEM TEM showed presence nearly spherical nanoparticles with sizes nanometer range. Ni 2+ ions could introduced into pores through exchange Na + modify improve their electrochemical properties. To surmount overvoltage methanol oxidation on carbon paste electrode (CPE), (II)-doped (Ni/P) mixed CPE as modified (Ni/P-CPE). Electrochemical such cyclic voltammetry chronoamperometry applied order investigate role electrocatalytic process oxidation. The current intensity increases impressively Ni/P-CPE comparison that means catalyst can reduce Ni/P provide active sites catalyze alkaline solution. Some parameters potential scan rates concentration investigated describe mechanism catalysis Ni/P. In contrast some expensive materials noble metals, Ni-doped play effective reduction by valuable advantage inexpensive environmentally friend nature simplicity