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High-performance and cost-effective triboelectric nanogenerators by sandpaper-assisted micropatterned polytetrafluoroethylene

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  • Mule, Anki Reddy
  • Dudem, Bhaskar
  • Yu, Jae Su

Abstract

We reported a facile, inexpensive, and high-performance triboelectric nanogenerator (TENG) designed by utilizing the micropatterned polytetrafluoroethylene (MP-PTFE) and aluminum (Al) as triboelectric materials with opposite tendencies. To reduce the fabrication cost as well as to enhance the contact area of PTFE, the micropatterns were formed on its surface by adopting a simple and cost-effective thermal imprinting lithography using sandpapers as a master mold. Consequently, the micropatterns were successfully replicated on the PTFE from the low surface energy sandpaper mold, which does not require any surfactant coating and expensive high vacuum equipment. The proposed TENG device can convert mechanical energy into electricity by continuous contact and separation between the MP-PTFE and Al. The sandpapers with three grit sizes were employed and the effect of average diameter of micropatterns on the electrical output of TENG was analyzed. The MP-PTFE replicated from the sandpaper with a larger grit size can offer a high contact area between the electrodes, thus resulting in the highest electrical output of TENG. Additionally, the effect of external pushing force and load resistance on the output performance of the TENG device was investigated, including the device robustness.

Suggested Citation

  • 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.
    • Handle: RePEc:eee:energy:v:165:y:2018:i:pa:p:677-684
    DOI: 10.1016/j.energy.2018.09.122
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    References listed on IDEAS

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    1. Trinh, V.L. & Chung, C.K., 2018. "Harvesting mechanical energy, storage, and lighting using a novel PDMS based triboelectric generator with inclined wall arrays and micro-topping structure," Applied Energy, Elsevier, vol. 213(C), pages 353-365.
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    2. Chang, Chih-Chang & Huang, Wei-Hao & Mai, Van-Phung & Tsai, Jia-Shiuan & Yang, Ruey-Jen, 2021. "Experimental investigation into energy harvesting of NaCl droplet flow over graphene supported by silicon dioxide," Energy, Elsevier, vol. 229(C).
    3. Byeong-Cheol Kang, & Choi, Hyeong-Jun & Park, Sang-Joon & Ha, Tae-Jun, 2021. "Wearable triboelectric nanogenerators with the reduced loss of triboelectric charges by using a hole transport layer of bar-printed single-wall carbon nanotube random networks," Energy, Elsevier, vol. 233(C).
    4. Jeong, Se Yeong & Hwang, Won Seop & Cho, Jae Yong & Jeong, Jae Chul & Ahn, Jung Hwan & Kim, Kyung Bum & Hong, Seong Do & Song, Gyeong Ju & Jeon, Deok Hwan & Sung, Tae Hyun, 2019. "Piezoelectric device operating as sensor and harvester to drive switching circuit in LED shoes," Energy, Elsevier, vol. 177(C), pages 87-93.
    5. Qian, Feng & Xu, Tian-Bing & Zuo, Lei, 2019. "Piezoelectric energy harvesting from human walking using a two-stage amplification mechanism," Energy, Elsevier, vol. 189(C).
    6. Yar, Adem, 2021. "High performance of multi-layered triboelectric nanogenerators for mechanical energy harvesting," Energy, Elsevier, vol. 222(C).
    7. Zhao, Huai & Ouyang, Huajiang, 2021. "A capsule-structured triboelectric energy harvester with stick-slip vibration and vibro-impact," Energy, Elsevier, vol. 235(C).
    8. 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.

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