Journal
ELECTROCHIMICA ACTA
Volume 465, Issue -, Pages -Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.electacta.2023.142895
Keywords
NiCoP; Supercapacitor; Sea-urchin like structure; Asymmetric capacitor
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In this study, we have synthesized NiCoP covered with WSe2@ZnS using the hydrothermal approach. The resulting hybrid supercapacitor electrode exhibits high specific capacity, excellent cycling stability, and promising electrochemical properties, making it a potential candidate for energy storage applications.
The manufacture of creative, efficient, and effective electrodes for use in energy storage systems is an ideal solution to the energy crisis. As a superior electrode for use in energy storage applications, we have synthesized Nickel cobalt phosphate (NiCoP) that has been covered with WSe2@ZnS using the hydrothermal approach described in our current work. The targeted hybrid supercapacitor electrode consists of NiCoP/WSe2@ZnS and has a high specific capacity of approximately 2,416 Fg- 1 at 1 Ag-1. Moreover, it has shown excellent cycling stability, retaining 96% of its capacity after 5000 cycles. NiCoP/WSe2@ZnS is employed as the positive electrode and activated carbon (AC) is used as the negative electrode in the asymmetric supercapacitor. This permits the device to have a capacitance of 178 Fg-1 at a current density of 0.5 mAg-1. The manufactured asymmetric supercapacitor has a power density of 1064 Wkg-1 and a maximum energy storage capacity of 46.4 Whkg- 1. Because of its outstanding electrochemical properties, metal phosphate will soon be recognized as a novel and attractive active material with potentially useful in energy storage applications.
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