Abstract
As a new type of efficient electrochemical energy storage system, the supercapacitor serves as an effective means to support the development of clean energy, with the electrode material being the key determinant of performance. The electrode material Pt-NiCo2O4/C was prepared in this paper by stepwise hydrothermal and calcination methods using ZIF-67 as a template, aiming to improve specific capacitance performance and stability. Pt-NiCo2O4/C achieved a specific capacitance of 1665.3 F/g at a current density of 1.0 A/g, and maintained 94.49 % of the original specific capacity after 3500 cycles at a current density of 4.0 A/g. The excellent specific capacitance performance of the Pt-NiCo2O4/C electrode material makes it a promising potential candidate for energy storage applications.
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