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Composite Ni-TiO<sub>2</sub> nanotube arrays electrode for photo-assisted electrolysis
Pozio, Alfonso,Masci, Amedeo,Pasquali, Mauro Techno-Press 2015 Advances in energy research Vol.3 No.1
This article is addressed to define a new composite electrode constituted by porous nickel and an array of highly ordered $TiO_2$ nanotubes obtained by a previous galvanostatic anodization treatment in an ethylene glycol solution. The electrochemical performances of the composite anode were evaluated in a photo-electrolyser, which showed good solar conversion efficiency with respect to the UV irradiance together with a reduction of energy consumption. Such a combination of materials makes our system simple and able to work both in dark and under solar light exposure, thus opening new perspectives for industrial-scale applications.