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• W4304080294 abstract "In this paper, cadmium oxide (CdO) was effectively developed on copper selenide (CuSe) nanoparticles via the wet-chemical method for the first time to explore their electrochemical properties for hybrid supercapacitors (HSC). The XRD Raman analysis proves the successful formation of the CdO, CuSe, and CdO-CuSe nanocomposite. The morphological results exposed that CdO and CuSe are composed of irregular particles-like morphology. Cyclic voltammetry (CV) and galvanostatic charge-discharge (GCD) analysis demonstrated the battery-type behavior of the electrode materials, with prominent redox peaks and voltage plateau in the GCD profile with good reversibility. Interestingly, it was observed that the freshly prepared CdO-CuSe electrode displays a relatively higher capacity (386 C g -1 ) compared to CdO and CuSe electrodes (175 and 216 C g -1 ). Furthermore, we built a CdO-CuSe//AC HSC, which expanded the voltage limit to 1.8 V. It delivered a high energy and power densities of 51 Wh kg -1 and retained 16 Wh kg -1 when power density reached its maximum value of 6488 W kg -1 . More importantly, a stable cycling performance (94.8%) was attained after 9000 cycles at the highest current rate of 15 A g -1 , which can be attributed to the high conductivity, which offers more active sites for electrolyte ions on the electrode surface. We proposed a novel CdO-CuSe-based binary nanocomposite synthesized via a wet-chemical assisted method for wide voltage hybrid supercapacitors, which deliver high power and energy densities, suppressing previous reports on CuSe and CdO with decent cycling durability with good rate performance at relatively high discharge current rates. • CdO-CuSe nanocomposite was successfully prepared via the wet chemical method for the first time • CdO-CuSe electrode exhibits a remarkable capacitive performance (385 C g -1 ) compared to their pure counterparts in a three-electrode setup • A CdO-CuSe//AC HSC was assembled, which delivered a high energy density of 51 Wh kg -1 and power density of 6488 W kg -1" @default.
• W4304080294 created "2022-10-10" @default.
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• W4304080294 date "2023-01-01" @default.
• W4304080294 modified "2023-10-10" @default.
• W4304080294 title "A new cadmium oxide (CdO) and copper selenide (CuSe) nanocomposite: An energy-efficient electrode for wide-voltage hybrid supercapacitors" @default.
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• W4304080294 doi "https://doi.org/10.1016/j.colsurfa.2022.130327" @default.
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