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Updated: Feb 7, 2026

Evaluating the Electrochemical Properties of Supercapacitors using the Three-Electrode System
Published on: January 7, 2022
Copper molybdenum sulfide anchored nickel foam: a high performance, binder-free, negative electrode for
Surjit Sahoo1, Karthikeyan Krishnamoorthy1, Parthiban Pazhamalai1
1Nanomaterials and System Lab, Department of Mechatronics Engineering, Jeju National University, Jeju 63243, Republic of Korea. kimsangj@jejunu.ac.kr.
Abstract:
Herein, we are demonstrating the use of a binder-free electrode based on copper-molybdenum-sulfide nanostructures grown on nickel foam (CMS/Ni) as a novel negative electrode for supercapacitors. The cyclic voltammetry and charge-discharge analyses reveal the pseudocapacitive nature of the CMS/Ni electrode with a high specific capacity of 633 mAh g-1 (∼20-fold higher than the binder-based CMS electrode) which is mainly due to their superior electronic conductivity and short ion transport pathways. Furthermore, the fabricated symmetric supercapacitor using the CMS/Ni electrode delivered a high device capacitance (265.62 F g-1), high energy density (23.61 Wh kg-1) and long cycle-life. The results ensure that the CMS/Ni binder-free electrode will be a promising negative electrode for high-performance supercapacitors.
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