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A high-performance stretchable triboelectric nanogenerator based on polytetrafluoroethylene (PTFE) particles.
  • +8
  • Jiawei Liu,
  • Jinhui Wang,
  • Yawen Wang,
  • Zhilin Wu,
  • Hongbiao Sun,
  • Yan Yang,
  • Lisheng Zhang,
  • Xu Kou,
  • Pengyuan Li,
  • Wenbin Kang,
  • Jiangxin Wang
Jiawei Liu
Sichuan University School of Mechanical Engineering
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Jinhui Wang
Sichuan University School of Mechanical Engineering
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Yawen Wang
Southwest University of Science and Technology State Key Laboratory of Environmentally Friendly Energy Materials
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Zhilin Wu
Southwest University of Science and Technology State Key Laboratory of Environmentally Friendly Energy Materials
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Hongbiao Sun
Sichuan University School of Mechanical Engineering
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Yan Yang
Sichuan University School of Mechanical Engineering
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Lisheng Zhang
Sichuan University School of Mechanical Engineering
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Xu Kou
Sichuan University School of Mechanical Engineering
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Pengyuan Li
Sichuan University School of Mechanical Engineering
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Wenbin Kang
Southwest University of Science and Technology State Key Laboratory of Environmentally Friendly Energy Materials
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Jiangxin Wang
Sichuan University

Corresponding Author:wangjiangxin@scu.edu.cn

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Abstract

Triboelectric nanogenerators (TENGs) are emerging as new technologies to harvest electrical power from mechanical energy. With the distinctive working mechanism of triboelectric nanogenerators, they attract particular interest in healthcare monitoring, wearable electronics, and deformable energy harvesting, which raise the requirement for highly conformable devices with substantial energy outputs. Here, a simple, low-cost strategy for fabricating stretchable triboelectric nanogenerators with ultra-high electrical output is developed. The TENG is prepared using PTFE micron particles (PP-TENG), contributing a different electrostatic induction process compared to TENG based on dielectric films, which was associated with the dynamics of particle motions in PP-TENG. The generator achieved an impressive voltage output at 1000 V with current of 25 µA over a contact area of 40×20 mm2. Additionally, the TENG exhibits excellent durability with a stretching strain of 500%, and the electrical output performance does not show any significant degradation even after 3000 cycles at a strain of 400%. The unique design of the device provides high conformability and can be used as a self-powered sensor for human motion detections.
23 Apr 2024Submitted to Energy & Environmental Materials
28 Apr 2024Submission Checks Completed
28 Apr 2024Assigned to Editor
28 Apr 2024Review(s) Completed, Editorial Evaluation Pending
30 Apr 2024Reviewer(s) Assigned
05 Jun 20241st Revision Received
09 Jun 2024Submission Checks Completed
09 Jun 2024Assigned to Editor
09 Jun 2024Review(s) Completed, Editorial Evaluation Pending
10 Jun 2024Reviewer(s) Assigned