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August 2, 2026ChemistrySelect

Dielectric and Electrochemical Properties of CoMn 2 O 4 Nanoparticles as a Robust Electrode Material for Supercapacitor Application

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Authors

SASanina ArzooPakistan Institute of Engineering and Applied SciencesSKSyed Mesam Tamar KazmiPakistan Institute of Engineering and Applied SciencesQAQaisar AbbasPakistan Institute of Engineering and Applied Sciences

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Implication

Randomized trial reveals CoMn2O4 nanoparticles enhance energy storage in supercapacitors, suggesting high performance.

Key Points

  • The aim is to evaluate the dielectric and electrochemical properties of CoMn2O4 nanoparticles for supercapacitor applications.
  • Synthesis of CoMn2O4 via solid-state method and structural characterization using XRD and SEM.
  • Dielectric and impedance spectroscopy studies to understand conduction mechanisms.
  • Electrochemical investigations including cyclic voltammetry and galvanostatic charge-discharge measurements.
  • Demonstrated a high specific capacitance of 586 F/g at 1 A/g, with energy density of ∼52.09 Wh/kg and power density of ∼409.25 W/kg.
  • Achieved 87.6% capacitive retention and 90% coulombic efficiency over 4000 cycles in cycling stability tests.
  • Revealed bulk-dominated conduction with a negative temperature coefficient of resistance (NTCR).

Cite This Study

Arzoo et al. (2026) studied this question.

synapsesocial.com/papers/6a6eeaaf1b0468a7eeab3123https://doi.org/10.1002/slct.73971
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