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This study investigates the mechanical–electrical conversion properties of biomaterials as a layer in Bio-based Triboelectric Nanogenerators (B-TENGs) and characterizes their output performance for low-power electronics applications. The novelty of this experiment lies in the use of a composite bio-based material with titanium oxide (TiO2) layer. Experiments were conducted to compare the output of B-TENGs using banana peel cellulosic (BPC) material and other bio-based materials as the tribopositive layer. TiO2 nanoparticles were incorporated into the BPC material to improve dielectric properties and enhance the energy conversion performance of the composite TENG. The sliding rotational mode was employed, with a circular vane design featuring an overall diameter of 46.23 cm2 and a constant speed of 10 Hz. The study examines the effects of various parameters on the B-TENG output, including the concentration of TiO2, the number of vanes, material thickness and different tribonegative materials. The results demonstrate a maximum open-circuit voltage of 141.7 V, power output of 21.4 mW, and power density of 463.2 μW/cm2 at 70 MΩ with 2 wt% of TiO2. This study contributes to developing sustainable and efficient self-powered sensor systems by optimizing the mechanical–electrical conversion properties of bio-based materials in triboelectric nanogenerators.

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Bio-based Triboelectric Nanogenerator (B-TENG) Enhancement Utilising Banana Peel Cellulosic and TiO2 Composite Layer

  • 会议论文

  • 发表日期：

    2026年

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  • Muhammad Aqmal Saparin,
  • Hanim Salleh,
  • Chong Kok Hen,
  • Nurul Asyikin Mohamed Salim

摘要

This study investigates the mechanical–electrical conversion properties of biomaterials as a layer in Bio-based Triboelectric Nanogenerators (B-TENGs) and characterizes their output performance for low-power electronics applications. The novelty of this experiment lies in the use of a composite bio-based material with titanium oxide (TiO2) layer. Experiments were conducted to compare the output of B-TENGs using banana peel cellulosic (BPC) material and other bio-based materials as the tribopositive layer. TiO2 nanoparticles were incorporated into the BPC material to improve dielectric properties and enhance the energy conversion performance of the composite TENG. The sliding rotational mode was employed, with a circular vane design featuring an overall diameter of 46.23 cm2 and a constant speed of 10 Hz. The study examines the effects of various parameters on the B-TENG output, including the concentration of TiO2, the number of vanes, material thickness and different tribonegative materials. The results demonstrate a maximum open-circuit voltage of 141.7 V, power output of 21.4 mW, and power density of 463.2 μW/cm2 at 70 MΩ with 2 wt% of TiO2. This study contributes to developing sustainable and efficient self-powered sensor systems by optimizing the mechanical–electrical conversion properties of bio-based materials in triboelectric nanogenerators.