3D Interconnected Binder-Free Electrospun MnO@C Nanofibers for Supercapacitor Devices
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© 2018 The Author(s). Rational design of binder-free materials with high cyclic stability and high conductivity is a great need for high performance supercapacitors. We demonstrate a facile one-step synthesis method of binder-free MnO@C nanofibers as electrodes for supercapacitor applications. The topology of the fabricated nanofibers was investigated using FESEM and HRTEM. The X-ray photoelectron spectroscopy (XPS) and the X-ray diffraction (XRD) analyses confirm the formation of the MnO structure. The electrospun MnO@C electrodes achieve high specific capacitance of 578 F/g at 1 A/g with an outstanding cycling performance. The electrodes also show 127% capacity increasing after 3000 cycles. An asymmetric supercapacitor composed of activated carbon as the negative electrode and MnO@C as the positive electrode shows an ultrahigh energy density of 35.5 Wh/kg with a power density of 1000 W/kg. The device shows a superior columbic efficiency, cycle life, and capacity retention.
Abdellah, A. M.
Mohamed, S. G.
Allam, N. K.
(2018). 3D Interconnected Binder-Free Electrospun MnO@C Nanofibers for Supercapacitor Devices. Scientific Reports, 8(1),
Ramadan, Mohamed, et al.
"3D Interconnected Binder-Free Electrospun MnO@C Nanofibers for Supercapacitor Devices." Scientific Reports, vol. 8,no. 1, 2018,