Review on the recent development on polyaniline and transition metal oxides composite electrode for supercapacitor application.
Okafor, Okechukwu Benjamin Popoola, Abimbola Patricia Idowu Popoola, Olawale Muhammed Adeosun, Samson Oluropo
Okafor, Okechukwu Benjamin
Popoola, Abimbola Patricia Idowu
Popoola, Olawale Muhammed
Adeosun, Samson Oluropo
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Abstract
In recent years, supercapacitors have become a ground-breaking technology in energy conversion and storage systems, garnering increasing interest of researchers in this field. They have distinctive features, which includes rapid charging and discharging capabilities, exceptional energy and power densities, and prolonged stability. Polyaniline is one of the most studied conducting polymers for energy storage application because of its high capacity and electrochemical properties but poor cyclability. Conversely transition metal oxides have high theoretical specific capacitance but practically they have not been effectively utilized as electrode material due to their poor electrical conductivity. In recent times, research has shown that nanostructured conducting polymer hybridized with transition metal oxides (TMOs) produce good cycle stability and outstanding electrochemical characteristics and are being studies as potential material for supercapacitor electrode. Hence, this manuscript is dedicated to reviewing the advancements in PANI based composite with TMO as supercapacitor electrode over the past few years. Also a comprehensive examination of how various transition metal oxides affect the electrochemical properties of polyaniline based composites is detailed. It is anticipated that this review will enhance understanding of supercapacitor based on this conducting polymer and transition metal oxide, potentially paving
the way for novel research in these field.
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Date
2024-09-26
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Elsevier
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Keywords
Transition Metal Oxide, Supercapacitor, Pseudocapacitor, Polyaniline, Conducting polymer