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June 19, 2026NanomaterialsOpen Access

Microwave-Assisted In Situ Synthesis of NiMn2O4 Nanoparticles Embedded in NiCo2O4 Nanosheets on Nickel Foam as Binder-Free Electrode Material for High-Performance Supercapacitors

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Authors

SWShusen WangXDXiaomei DuYFYing Fu

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Overview

Randomized trial demonstrates enhanced supercapacitor performance using NiMn2O4@NiCo2O4 in nickel foam, suggesting a novel approach for energy storage.

Key Points

  • The aim is to synthesize and characterize NiMn2O4@NiCo2O4 nanocomposites for use as high-performance supercapacitor electrodes.
  • Fabricated NiMn2O4@NiCo2O4 nanocomposites on nickel foam using a two-step microwave-assisted hydrothermal method with annealing.
  • Varying holding times (15, 30, 45, and 60 min) during synthesis to assess effects on performance.
  • Characterization and electrochemical testing were conducted to evaluate material performance.
  • The product synthesized with a 30 min holding time exhibited a specific capacitance of 441.56 F·cm−2 at 1 A·cm−2.
  • Capacitance retention was 75% after 5000 cycles at 15 A·cm−2, indicating strong cycling stability.
  • The unique tulle-like nanosheet structure facilitated abundant active sites and improved electron and electrolyte ion transport.

Cite This Study

Wang et al. (2026) studied this question.

synapsesocial.com/papers/6a34de4165a5b0777af2da4dhttps://doi.org/10.3390/nano16120752
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Also Consider

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