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- W2462004200 abstract "Abstract MnO 2 /carbon nanowires composites (CNWMn) have been prepared through a simple hydrothermal method using carbon nanowires (CNW) as the both reducing agents and scaffolds for MnO 2 growth. The crystalline phase of CNWMn is closely related to the hydrothermal reaction time, which has a profound impact on the electrochemical performance of CNWMn composites. Typically, the CNMWn2 (reaction time is 2 h) exhibits a highest specific capacitance of 465 F g −1 at the current density of 1 A g −1 in three-electrode systems. In addition, a two-electrode asymmetric system has also been fabricated using CNWMn2 and porous carbon nanowires (PCNW) as positive and negative electrode, respectively. The asymmetric system presents a maximum energy density of 39.2 Wh kg −1 at the current density of 0.5 A g −1 , which is much higher than that of traditional sense supercapacitors. Moreover, the asymmetric system exhibits excellent rate capability (high energy density of 24.2 Wh kg −1 at the current density of 10 A g −1 ) and high cycle stability with only 7% loss of its initial capacitance after 2000 cycles." @default.
- W2462004200 created "2016-07-22" @default.
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- W2462004200 date "2016-09-01" @default.
- W2462004200 modified "2023-10-16" @default.
- W2462004200 title "Preparation of MnO2/carbon nanowires composites for supercapacitors" @default.
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- W2462004200 doi "https://doi.org/10.1016/j.electacta.2016.07.066" @default.
- W2462004200 hasPublicationYear "2016" @default.