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<p>The Mn<sub>0.25</sub>Fe<sub>2.75</sub>O<sub>4</sub>-rGO/Tw80-TiO<sub>2</sub>/PEG nanocomposites have been successfully synthesized by coprecipitation, chemical reduction, and the sol-gel method. The crystal structure of Mn<sub>0.25</sub>Fe<sub>2.75</sub>O<sub>4</sub>-rGO/Tw80-TiO<sub>2</sub>/PEG nanocomposites with a variation in the composition of rGO was characterized using XRD, and information about the crystal size of 6.32&#xa0;nm to 7.96&#xa0;nm was obtained. These results are consistent with SAXS characterization, which indicates 2.5&#xa0;nm primary particles and 6–7&#xa0;nm secondary particles. The thermal properties are the highest for the MTP10 sample and the lowest for the MTP20 sample. The physical properties of these Mn<sub>0.25</sub>Fe<sub>2.75</sub>O<sub>4</sub>-rGO/Tw80-TiO<sub>2</sub>/PEG nanocomposites could be used for thermal energy storage.</p> Graphical Abstract <p></p>

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Improving the physical properties of Mn0.25Fe2.75O4-rGO/Tw80-TiO2/PEG nanocomposites phase change materials for thermal energy storage materials

  • 期刊论文

  • 发表日期：

    2026年3月17日

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  • M. Ikhwan Najmi,
  • Nadiya Miftachul Chusna,
  • Eny Latifah,
  • Siti Zulaikah,
  • Ahmad Taufiq,
  • Siriwat Soontaranon,
  • Sunaryono Sunaryono

摘要

The Mn0.25Fe2.75O4-rGO/Tw80-TiO2/PEG nanocomposites have been successfully synthesized by coprecipitation, chemical reduction, and the sol-gel method. The crystal structure of Mn0.25Fe2.75O4-rGO/Tw80-TiO2/PEG nanocomposites with a variation in the composition of rGO was characterized using XRD, and information about the crystal size of 6.32 nm to 7.96 nm was obtained. These results are consistent with SAXS characterization, which indicates 2.5 nm primary particles and 6–7 nm secondary particles. The thermal properties are the highest for the MTP10 sample and the lowest for the MTP20 sample. The physical properties of these Mn0.25Fe2.75O4-rGO/Tw80-TiO2/PEG nanocomposites could be used for thermal energy storage.

Graphical Abstract