Journal of Material Sciences & Engineering

ISSN: 2169-0022

Open Access

Rex S Forteza


  • Research Article
    Synthesis of Activated Carbon/Chitosan Composites and Expanded Graphite for Symmetric Supercapacitor
    Author(s): Galen Noel G Nifas and Rex S FortezaGalen Noel G Nifas and Rex S Forteza

    Supercapacitors have great electrochemical characteristics such as high energy and power densities, chargedischarge rates, and extremely long cycle life which make them favourable in electronics and other applications. Activated carbon was successfully coated with chitosan, and natural graphite flakes were chemically and thermally modified into expanded graphite; these were structurally and morphologically analysed using FTIR and SEM. FTIR analysis showed the presence of N-H scissoring from amine and amide groups, C-O and C≡C stretching for activated carbon/chitosan (AC/CH) composites and OH group, C=C and C-O stretching for expanded graphite (EG). SEM images show that AC/CH and EG have porous structures; AC/CH has chitosan chunks on activated carbon surface. The fabricated supercapacitors were tested for their specific capacitances, charging rates, and energy and power densitie.. Read More»

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