Browsing by Author "Dr. Muhmmad Hammad Aziz"

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    Fabrication and Characterization of Pani/NiAgCoO3,/Go Nanocomposites for Supercapacitors
    (Library Information Services, COMSATS University Islamabad, Lahore Campus, 2025) Iqra Akram; CUI/FA23-RPH-021/LHR; Dr. Muhmmad Hammad Aziz; LHR TP 9852
    Research on high-performance supercapacitors has increased significantly due to the growing demand for dependable, sustainable, and efficient energy storage solutions. In this work, a novel ternary nanocomposite of graphene oxide (GO), polyaniline (PANI), and nickel–silver–cobalt oxide (NiAgCoO₃) was synthesized and built for electrochemical supercapacitors. A synergistic combination of metal oxides with carbon-based materials and conductive polymers is meant to enhance electrical conductivity, cycle stability, and specific capacitance. The NiAgCoO₃ nanoparticles were made using [coprecipitation method]. The NiAgCoO₃/PANI/GO nanocomposite was then created by in-situ polymerization of PANI and mixing with GO. Electrochemical impedance spectroscopy (EIS), cyclic voltammetry (CV), galvanostatic charge-discharge (GCD), Fourier-transform infrared spectroscopy (FTIR), scanning electron microscopy (SEM), and X-ray diffraction (XRD) were used to analyze the material's structural, morphological, and electrochemical properties. The composite electrode demonstrated exceptional energy and power density, a high specific capacitance of [insert value] F/g, and exceptional cycling stability, retaining over [insert]% of its energy after [insert] cycles. These results confirm the viability of the NiAgCoO₃/PANI/GO hybrid structure as a possible electrode candidate for next-generation supercapacitors.