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March 7, 2026Journal of Electronic MaterialsOpen Access

MOF-Assisted Synthesis of Hierarchically Porous ZIF-67-Derived Co3O4 Nanosheets Enabling High Specific Capacitance and Long-Cycle Stability for High-Current-Density Supercapacitors

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Authors

MPM. B. S. PravinWMWajiah MazharAAAwatif Alshamari

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Overview

Demonstrates high specific capacitance in supercapacitors using ZIF-67-derived Co3O4 nanosheets, indicating effective charge storage.

Key Points

  • The research aims to synthesize Co3O4 nanosheets using ZIF-67 as a precursor for improved supercapacitor performance.
  • Synthesized Co3O4 nanosheets via a hydrothermal method and calcination process.
  • Characterized pore sizes and surface area using electrochemical techniques.
  • Evaluated electrochemical performance through cyclic voltammetry and galvanostatic charge–discharge analysis.
  • Achieved a specific capacitance of 350 F g−1 at 5 A g−1.
  • Showed 95% capacitance retention after 5000 cycles.
  • Confirmed negligible charge-transfer resistance and significant diffusive charge storage.

Cite This Study

Pravin et al. (2026) studied this question.

synapsesocial.com/papers/69abc2dc5af8044f7a4ec49chttps://doi.org/10.1007/s11664-026-12744-x
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