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Development of Flexible Triboelectric Generators Based on Patterned Conductive Textile and PDMS Layers

Author

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  • Yeau-Ren Jeng

    (Department of Biomedical Engineering, National Cheng Kung University, No. 1, University Road, Tainan City 701401, Taiwan
    Department of Mechanical Engineering, National Chung Cheng University, No. 168, Sec. 1, University Road, Chiayi 621301, Taiwan)

  • Andrew E. Mendy

    (Department of Mechanical Engineering, National Chung Cheng University, No. 168, Sec. 1, University Road, Chiayi 621301, Taiwan)

  • Chi-Tse Ko

    (Department of Mechatronic Engineering, National Taiwan Normal University, No. 162, Sec. 1, Ho-Ping E. Road, Taipei 106308, Taiwan)

  • Shih-Feng Tseng

    (Department of Mechanical Engineering, National Taipei University of Technology, No. 1, Sec. 3, Zhongxiao E. Road, Taipei 106344, Taiwan)

  • Chii-Rong Yang

    (Department of Mechatronic Engineering, National Taiwan Normal University, No. 162, Sec. 1, Ho-Ping E. Road, Taipei 106308, Taiwan)

Abstract

A triboelectric generator (TEG) is a simple coupling combined with triboelectrification and electrostatic induction, which can convert mechanical energy into electrical energy and have the potential for self-powered device application. In this study, TEGs are fabricated consisting of a conductive textile (CT) layer (a fabric woven with polyester and stainless steel) and a polydimethylsiloxane (PDMS) layer. The CT friction layer is also used as a conductive electrode and designed with various surface morphologies, including unpatterned, dots, and lines with 1 and 2 cm spacings. Experimental results show that the TEG with an unpatterned CT layer produces an output voltage of 54.6 V and an output current of 5.46 µA. The patterned surfaces increase the effective contact area and friction effect between the CT and PDMS layers and hence enhance the output voltage and current to 94.4 V and 9.44 µA. Compared to the unpatterned CT layer, the pattern use of 1 cm spaced lines, 2 cm spaced lines, and dots improves the output voltage and current by 1.73, 1.68, and 1.24 times, respectively. Moreover, the TEG with 1 cm spaced lines generates a high output power density of 181.9 mW/m 2 .

Suggested Citation

  • Yeau-Ren Jeng & Andrew E. Mendy & Chi-Tse Ko & Shih-Feng Tseng & Chii-Rong Yang, 2021. "Development of Flexible Triboelectric Generators Based on Patterned Conductive Textile and PDMS Layers," Energies, MDPI, vol. 14(5), pages 1-15, March.
    • Handle: RePEc:gam:jeners:v:14:y:2021:i:5:p:1391-:d:509831
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    References listed on IDEAS

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    1. Singh, Huidrom Hemojit & Khare, Neeraj, 2019. "Improved performance of ferroelectric nanocomposite flexible film based triboelectric nanogenerator by controlling surface morphology, polarizability, and hydrophobicity," Energy, Elsevier, vol. 178(C), pages 765-771.
    2. He, Jian & Fan, Xueming & Mu, Jiliang & Wang, Chao & Qian, Jichao & Li, Xiucheng & Hou, Xiaojuan & Geng, Wenping & Wang, Xiangdong & Chou, Xiujian, 2020. "3D full-space triboelectric-electromagnetic hybrid nanogenerator for high-efficient mechanical energy harvesting in vibration system," Energy, Elsevier, vol. 194(C).
    3. Mule, Anki Reddy & Dudem, Bhaskar & Yu, Jae Su, 2018. "High-performance and cost-effective triboelectric nanogenerators by sandpaper-assisted micropatterned polytetrafluoroethylene," Energy, Elsevier, vol. 165(PA), pages 677-684.
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