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<p>The growing demand for sustainable and efficient power sources for low-power consumption electronic devices has directed attention toward triboelectric nanogenerators (TENGs). The present study addresses the challenge of identifying suitable materials that can enhance energy conversion efficiency while maintaining cost-effective and straightforward synthesis techniques. We report the fabrication and performance of a TENG using pure magnetite (Fe<sub>3</sub>O<sub>4</sub>) nanoparticles synthesized via a chemical co-precipitation method. The structural and morphological characteristics of the Fe<sub>3</sub>O<sub>4</sub> nanoparticles were thoroughly analyzed. The TENG (5 × 5 cm<sup>2</sup>) was constructed with Fe<sub>3</sub>O<sub>4</sub> nanoparticles as the positive triboelectric layer and fluorinated ethylene propylene (FEP) as the opposite frictional layer. The Fe<sub>3</sub>O<sub>4</sub>/FEP TENG demonstrated an output voltage of 320&#xa0;V, a current of 175&#xa0;µA, and a power density of 4.43&#xa0;W/m<sup>2</sup>, surpassing previously reported values. The device was tested for practical applications by successfully powering 360 LEDs, a calculator, a digital watch, and a hygrometer. This work highlights the feasibility of using Fe<sub>3</sub>O<sub>4</sub> nanoparticles in TENGs for self-powering electronic devices, providing a promising avenue for sustainable energy solutions.</p>

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Magnetite nanoparticles-based triboelectric nanogenerators for self-powering applications

  • 期刊论文

  • 发表日期：

    2025年3月15日

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  • Anu Kulandaivel,
  • Supraja Potu,
  • Navaneeth Madathil,
  • Mahesh Velpula,
  • Anjaly Babu,
  • Uday Kumar Khanapuram,
  • Rakesh Kumar Rajaboina

摘要

The growing demand for sustainable and efficient power sources for low-power consumption electronic devices has directed attention toward triboelectric nanogenerators (TENGs). The present study addresses the challenge of identifying suitable materials that can enhance energy conversion efficiency while maintaining cost-effective and straightforward synthesis techniques. We report the fabrication and performance of a TENG using pure magnetite (Fe3O4) nanoparticles synthesized via a chemical co-precipitation method. The structural and morphological characteristics of the Fe3O4 nanoparticles were thoroughly analyzed. The TENG (5 × 5 cm2) was constructed with Fe3O4 nanoparticles as the positive triboelectric layer and fluorinated ethylene propylene (FEP) as the opposite frictional layer. The Fe3O4/FEP TENG demonstrated an output voltage of 320 V, a current of 175 µA, and a power density of 4.43 W/m2, surpassing previously reported values. The device was tested for practical applications by successfully powering 360 LEDs, a calculator, a digital watch, and a hygrometer. This work highlights the feasibility of using Fe3O4 nanoparticles in TENGs for self-powering electronic devices, providing a promising avenue for sustainable energy solutions.