Research Update: Nanogenerators for self-powered autonomous wireless sensors

Usman Khan, Ronan Hinchet, Hanjun Ryu, Sang Woo Kim

Research output: Contribution to journalArticlepeer-review

42 Citations (Scopus)

Abstract

Largely distributed networks of sensors based on the small electronics have great potential for health care, safety, and environmental monitoring. However, in order to have a maintenance free and sustainable operation, such wireless sensors have to be self-powered. Among various energies present in our environment, mechanical energy is widespread and can be harvested for powering the sensors. Piezoelectric and triboelectric nanogenerators (NGs) have been recently introduced for mechanical energy harvesting. Here we introduce the architecture and operational modes of self-powered autonomous wireless sensors. Thereafter, we review the piezoelectric and triboelectric NGs focusing on their working mechanism, structures, strategies, and materials.

Original languageEnglish
Article number073803
JournalAPL Materials
Volume5
Issue number7
DOIs
Publication statusPublished - 2017 Jul 1

Bibliographical note

Publisher Copyright:
© 2017 Author(s).

All Science Journal Classification (ASJC) codes

  • General Materials Science
  • General Engineering

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