Hydrothermal synthesis and electrochemical performance of NiO microspheres with different nanoscale building blocks
2010
Abstract NiO microspheres were successfully obtained by calcining the Ni(OH) 2 precursor, which were synthesized via the hydrothermal reaction of nickel chloride, glucose and ammonia. The products were characterized by TGA, XRD and SEM. The influences of glucose and reaction temperature on the morphologies of NiO samples were investigated. Moreover, the possible growth mechanism for the spherical morphology was proposed. The charge/discharge test showed that the as-prepared NiO microspheres composed of nanoparticles can serve as an ideal electrode material for supercapacitor due to the spherical hollow structure.
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