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April 10, 2026Korean Journal of Materials ResearchOpen Access

Synthesis and Electrochemical Properties of Zn(Mn2-xFex)O4 Cathode Materials for Hybrid Supercapacitors

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Authors

HKHyeon-Uk KoSPSang-Shik Park

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Overview

Demonstrates improved specific capacitance in hybrid supercapacitors using Zn(Mn2-xFex)O4 materials, indicating potential for advanced energy storage solutions.

Key Points

  • The research aims to enhance the electrochemical performance of ZnMn2O4 by substituting manganese with iron.
  • Synthesis of Zn(Mn2-xFex)O4 via a hydrothermal method.
  • Fabrication of electrodes for hybrid supercapacitor application.
  • Electrochemical analysis using a three-electrode system.
  • Zn(Mn1.2Fe0.8)O4 achieved the highest specific capacitance of 374 F/g at 0.1 A/g.
  • The hybrid supercapacitor device reached a specific capacitance of 121.44 F/g at 0.1 A/g.
  • The device retained 70% of its capacitance after 1,000 charge-discharge cycles at 1 A/g.

Cite This Study

Ko et al. (2026) studied this question.

synapsesocial.com/papers/69d8946e6c1944d70ce055cahttps://doi.org/10.3740/mrsk.2026.36.3.85
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