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- W4220857100 abstract "Nowadays, transition metal oxides (TMOs) have gained much attention as potential candidates for supercapacitors owing to their remarkable properties for instance vast abundance, a high value of theoretical capacitance, easy accessibility, and eco-friendly nature. But low electric conductivity of TMOs restrains them from reaching their theoretically predicted value for capacitance. Activated carbon with enormous surface area and excellent conductivity has been chosen to augment the conductivity of TMO-based electrodes. Here in this paper, we have synthesized MnO2 nanorods via a facile hydrothermal process. These nanorods have been loaded onto activated carbon via a straight-forward sol-gel approach at room temperature. The obtained nano-composite exhibited superior capacitance of 398.5 F g−1 at 1 A g−1 than MnO2 (161.8 F g−1). The composite attained excellent energy of 105.2 Wh kg−1 (at 2 kW kg−1). Further, the composite was tested for device application. Three symmetric supercapacitor cells joined in series were proficient to glow a blue LED for about one minute while the red LED was illuminated for about 12 min. This suggested that the composite material has broad potential applicability as supercapacitor electrode material." @default.
- W4220857100 created "2022-04-03" @default.
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- W4220857100 date "2022-07-01" @default.
- W4220857100 modified "2023-10-13" @default.
- W4220857100 title "MnO2 nanorod loaded activated carbon for high-performance supercapacitors" @default.
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- W4220857100 doi "https://doi.org/10.1016/j.jallcom.2022.164834" @default.
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