Browsing by UP Author "Ugbo, F.U."

Browsing by UP Author "Ugbo, F.U."

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  • Cycling and floating performance of symmetric supercapacitor derived from coconut shell biomass 
    Barzegar, Farshad; Khaleed, Abubakar A.; Ugbo, F.U.; Oyeniran, K.O.; Momodu, Damilola Y.; Bello, Abdulhakeem; Dangbegnon, Julien K.; Manyala, Ncholu I. (American Institute of Physics, 2016)
    This work present two-step synthesizes route to low-cost mesoporous carbon from coconut shell. The electrochemical characterization of the coconut shell based activated carbon (CSAC) material as electrode for supercapacitor ...
  • Effect of activated carbon on the enhancement of CO sensing performance of NiO 
    Khaleed, Abubakar A.; Bello, Abdulhakeem; Dangbegnon, Julien K.; Momodu, Damilola Y.; Madito, M.J. (Moshawe); Ugbo, F.U.; Akande, A.A.; Dhonge, B.P.; Barzegar, Farshad; Olaniyan, Okikiola; Mwakikunga, B.W.; Manyala, Ncholu I. (Elsevier, 2017-02)
    NiO/activated carbon (AC) composites were successfully synthesized via a hydrothermal reflux process as an electrode material for carbon monoxide (CO) gas sensor application. The X-ray diffraction (XRD) analysis was used ...
  • Exploring the stability and electronic structure of beryllium and sulphur co-doped graphene : a first principles study 
    Olaniyan, Okikiola; Mapasha, Refilwe Edwin; Momodu, Damilola Y.; Madito, M.J. (Moshawe); Kahleed, A.A.; Ugbo, F.U.; Bello, Abdulhakeem; Barzegar, Farshad; Oyedotun, Kabir Oyeniran; Manyala, Ncholu I. (Royal Society of Chemistry, 2016-09)
    First principles density functional theory (DFT) calculations have been performed to explore the stability, structural and electronic properties of Be and S codoped graphene sheets. The band-gap of graphene has been tuned ...
  • A facile hydrothermal reflux synthesis of Ni(OH)2/GF electrode for supercapacitor application 
    Khaleed, Abubakar A.; Bello, Abdulhakeem; Dangbegnon, Julien K.; Ugbo, F.U.; Barzegar, Farshad; Momodu, Damilola Y.; Madito, M.J. (Moshawe); Masikhwa, T.M. (Tshifhiwa); Olaniyan, Okikiola; Manyala, Ncholu I. (Springer, 2016-06)
    Ni(OH)2/graphene foam (GF) electrode was synthesized for electrochemical application by a facile hydrothermal reflux technique. The results obtained from the scanning electron microscopy showed that the Ni(OH)2 spheres ...