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Iranian Journal of Chemistry and Chemical Engineering، جلد ۴۰، شماره ۵، صفحات ۱۴۰۶-۱۴۱۳
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عنوان انگلیسی Wet Chemical Synthesis of Graphene Containing Co / Mn Co-doped NiONanocrystalline Materials: Efficient Electrode for Electrochemical Supercapacitors
چکیده انگلیسی مقاله Graphene containing Co and Mn co-doped NiOnanocrystallinematerials  (with composition graphene - Ni0.95Co0.025Mn0.025O1-δ) were synthesized by chemical synthesis route and studied for potential application as electrode material for supercapacitors. The phase structure of the materials w:as char:acterized by XRD technique and the crystallographic parameters were found out and reported. FT-IR spectroscopy revealed the presence of M-O bond in the materials. The morphological phenomenon of the materials was studied by SEM and the particles were found to be spherical with an average grain size of 14 – 28 nm. EDAX analysis confirmed the presence of appropriate levels of elements in the samples. The in-depth morphological characteristics were also studied by HR-TEM (High-Resolution Tunneling Electron Microscopy). Cyclic Voltammetry (CV), charge-discharge, and electrochemical impedance measurements were carried out in an aqueous electrolyte (6 mol/L KOH) to investigate the electrochemical performance of the graphene containing Co and Mn co-doped NiOnanocrystallinebased electrode materials and the material found to exhibit a specific capacitance of 1243 F/g at a current density of 0.5 A/g and hence these electrode materials can be used in electrochemical supercapacitors.
کلیدواژه‌های انگلیسی مقاله Doped NiO with graphene,Chemical Synthesis,Electrode material,Electrochemical supercapacitor applications
نویسندگان مقاله G. Srikesh |
Department of Applied Chemistry, Karunya Institute of Technology and Sciences (Deemed to be University), Karunya Nagar, Coimbatore – 641 114, Tamil Nadu, INDIA

A Samson Nesaraj |
Department of Applied Chemistry, Karunya Institute of Technology and Sciences (Deemed to be University), Karunya Nagar, Coimbatore – 641 114, Tamil Nadu, INDIA

نشانی اینترنتی https://ijcce.ac.ir/article_40537_acfedb53a7f5d5b9cf7d28201f351993.pdf
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