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Electrochemically synthesized nanocrystalline spinel thin film for high performance supercapacitor |
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| Authors: | Vinay Gupta Shubhra Gupta |
| Affiliation: | a Carbon Technology Unit, Engineering Materials Division, National Physical Laboratory, New-Delhi, 110012, India b Art, Science and Technology Center for Cooperative Research, Kyushu University, Kasuga-shi, Fukuoka, 816-8580, Japan c Japan Science and Technology Agency, Kawaguchi-shi, Saitama, 332-0012, Japan |
| Abstract: | Spinels are not known for their supercapacitive nature. Here, we have explored electrochemically synthesized nanostructured NiCo2O4 spinel thin-film electrode for electrochemical supercapacitors. The nanostructured NiCo2O4 spinel thin film exhibited a high specific capacitance value of 580 F g−1 and an energy density of 32 Wh kg−1 at the power density of 4 kW kg−1, accompanying with good cyclic stability. |
| Keywords: | Spinel Nanocrystalline Thin film Specific capacitance Supercapacitor |
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