Volume 3 Issue 2
June  2024
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Chuan Ning, Shengxin Xiang, Xiupeng Sun, Xinya Zhao, Chuanhui Wei, Lele Li, Guoqiang Zheng, Kai Dong. Highly stretchable kirigami-patterned nanofiber-based nanogenerators for harvesting human motion energy to power wearable electronics[J]. Materials Futures, 2024, 3(2): 025101. doi: 10.1088/2752-5724/ad2f6a
Citation: Chuan Ning, Shengxin Xiang, Xiupeng Sun, Xinya Zhao, Chuanhui Wei, Lele Li, Guoqiang Zheng, Kai Dong. Highly stretchable kirigami-patterned nanofiber-based nanogenerators for harvesting human motion energy to power wearable electronics[J]. Materials Futures, 2024, 3(2): 025101. doi: 10.1088/2752-5724/ad2f6a
Paper •

Highly stretchable kirigami-patterned nanofiber-based nanogenerators for harvesting human motion energy to power wearable electronics

© 2024 The Author(s). Published by IOP Publishing Ltd on behalf of the Songshan Lake Materials Laboratory
Materials Futures, Volume 3, Number 2
  • Received Date: 2024-01-25
  • Accepted Date: 2024-02-28
  • Publish Date: 2024-03-15
  • Wearable electronics are advancing towards miniaturization and flexibility. However, traditional energy supply methods have largely hindered their development. An effective solution to this problem is to convert human mechanical energy into electricity to power wearable electronic devices. Therefore, it is greatly attractive to design flexible, foldable and even stretchable energy harvesting devices. Herein, we use the electrospinning and kirigami approach to develop a type of highly stretchable kirigami-patterned nanofiber-based triboelectric nanogenerator (K-TENG). Due to its innovative structural design, the K-TENG can achieve a tensile strain of 220%, independent of the tensile properties of the material itself. When a person swings their arms, the K-TENG fixed to the clothing can convert mechanical energy from human movement into electrical energy. The produced electricity can directly drive 50 LED lights and a digital watch, or be stored in a lithium battery to charge the smartwatch and smartphone, respectively. This study employs a new method to fabricate a stretchable triboelectric nanogenerator and demonstrates its promising applications in wearable power technology.

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