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Flexible fiber-based hybrid nanogenerator for biomechanical energy harvesting and physiological monitoring

  • Xuexian Chen
  • , Yu Song
  • , Zongming Su
  • , Haotian Chen
  • , Xiaoliang Cheng
  • , Jinxin Zhang
  • , Mengdi Han
  • , Haixia Zhang*
  • *Corresponding author for this work

Research output: Journal Publications and ReviewsRGC 21 - Publication in refereed journalpeer-review

Abstract

With the rapid development of wearable electronics like artificial e-skins and smart patch, harvesting biomechanical energy and realizing self-powered sensing are of essential importance for achieving sustainable and efficient function of the system. Here we report a flexible hybrid device that can be conformally attached on soft surface like human skin to harvest diversity touch energies based on electrospun nanofiber mat. Facilitated by the working mechanisms of triboeletric and piezoelectric, the device can generate maximum peak power up to 84 μW/cm2 and 0.11 μW/cm2 for the TENG and PENG part when stimulated by a compressive stress, which can enhance the energy harvesting efficiency and expand its application areas. By virtue of the high sensitivity of the piezoelectric nanomaterial, the device can also be attached on different parts of body for real-time monitoring the human physiological signals such as respiratory information and radial artery pulse, which shows potential value in self-powered e-skins and healthcare monitoring systems. © 2017 Elsevier Ltd
Original languageEnglish
Pages (from-to)43-50
JournalNano Energy
Volume38
DOIs
Publication statusPublished - 1 Aug 2017
Externally publishedYes

Bibliographical note

Publication details (e.g. title, author(s), publication statuses and dates) are captured on an “AS IS” and “AS AVAILABLE” basis at the time of record harvesting from the data source. Suggestions for further amendments or supplementary information can be sent to [email protected].

Research Keywords

  • Electrospinnig
  • Healthcare monitoring
  • Hybrid nanogenerator
  • Piezoelectric
  • Triboelectric

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