Improved electrochemical performance of nanostructured CO3O4/CO3S4 composite for supercapacitor applications
Year: 2025
Type: article
Abstract: This study highlights the superior electrochemical performance of Co₃O₄/Co₃S₄ composite nanoparticles for supercapacitors, compared to individual Co₃O₄ and Co₃S₄, synthesized using sol-gel, co-precipitation, and mechanical alloying methods. The composite combines pseudocapacitance and electric double-layer capacitance, as evidenced by cyclic voltammetry. It exhibits a specific capacitance of 722.9 F/g at 0.5 A/g and an energy density of 73.8 Wh/kg at 405 W/kg. Electrochemical impedance spectroscopy reveals low charge transfer resistance and excellent cycling stability is achieved, with 98.5% capacitance retention after 1500 cycles. These results confirm the composite's potential for high-performance energy storage applications.
Source: Chalcogenide Letters
Authors: J. Ahmad, Naeem-Ur-Rehman, M. Shakil, M. Saleem, K. Mahmood, A. Ali, M. Imran, S. Sharif, Hosam O. Elansary, S. Mumtaz, A. D. Khalid
Language: English
Field: Materials Science
Domain: Physical Sciences
Open Access status: bronze
Funder: King Saud University
OpenAlex ID: W4409414431