Abstract
Researchers have recently paid great attention to different transition metals-basedsupercapacitor electrode materials, which haveincreased interest due to their excellent energy storage applications. In this regard, electrodes based on samarium-doped materials have shown impressive promise for higher-performingsupercapacitors and energy-storing devices in many industries. In the present work, Sm-doped ZnSe electrode material was fabricated by using a simple hydrothermal method and then characterized structurally and morphologically by various physical characterizations. When prepared Sm-doped ZnSewasevaluated in three electrode configurations,then displayedan impressive specific capacitance(923.43F/g), high energy density (45.43 Wh/kg) along with power density (297.6 W/kg)at 1 A/g,higher as compared with ZnSe. According to EIS characterization small charge transfer resistance (0.10 Ω) of the doping material was calculated while chronoamperometry data showed that the fabricated electrode exhibited higher stability of 30 h. This work shows that doping of Smto ZnSeenhances energy storage efficiency and suggests great energy storage abilities in supercapacitors and other energy storage devices.
Published Version
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