التفاصيل البيبلوغرافية
| العنوان: |
Nanoarchitectonics of Three-Dimensional Carbon Nanofiber-Supported Hollow Copper Sulfide Spheres for Asymmetric Supercapacitor Applications. |
| المؤلفون: |
Shin, Miyeon, Awasthi, Ganesh Prasad, Sharma, Krishna Prasad, Pandey, Puran, Park, Mira, Ojha, Gunendra Prasad, Yu, Changho |
| المصدر: |
International Journal of Molecular Sciences; Jun2023, Vol. 24 Issue 11, p9685, 16p |
| مصطلحات موضوعية: |
COPPER sulfide, SPHERES, ENERGY density, ELECTRODE potential, CYCLIC voltammetry, NICKEL sulfide |
| مستخلص: |
Three-dimensional carbon nanofiber (3D-CNF)-supported hollow copper sulfide (HCuS) spheres were synthesized by the facile hydrothermal method. The morphology of the as-synthesized HCuS@3D-CNF composite clearly revealed that the 3D-CNFs act as a basement for HCuS spheres. The electrochemical performance of as-synthesized HCuS@3D-CNFs was evaluated by cyclic voltammetry (CV) tests, gravimetric charge–discharge (GCD) tests, and Nyquist plots. The obtained results revealed that the HCuS@3D-CNFs exhibited greater areal capacitance (4.6 F/cm2) compared to bare HCuS (0.64 F/cm2) at a current density of 2 mA/cm2. Furthermore, HCuS@3D-CNFs retained excellent cyclic stability of 83.2% after 5000 cycles. The assembled asymmetric device (HCuS@3D-CNFs//BAC) exhibits an energy density of 0.15 mWh/cm2 with a working potential window of 1.5 V in KOH electrolyte. The obtained results demonstrate that HZnS@3D-CNF nanoarchitectonics is a potential electrode material for supercapacitor applications. [ABSTRACT FROM AUTHOR] |
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| قاعدة البيانات: |
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