Piezoelectric and Triboelectric Dual Effects in Mechanical-Energy Harvesting Using BaTiO3/Polydimethylsiloxane Composite Film

Guoquan Suo, Yanhao Yu, Zhiyi Zhang, Shifa Wang, Ping Zhao, Jianye Li, Xudong Wang

Research output: Contribution to journalArticle

66 Scopus citations

Abstract

Piezoelectric and triboelectric nanogenerators have been developed as rising energy-harvesting devices in the past few years to effectively convert mechanical energy into electricity. Here, a novel hybrid piezo/triboelectric nanogenerator based on BaTiO3 NP/PDMS composite film was developed in a simple and low-cost way. The effects of the BTO content and polarization degree on the output performance were systematically studied. The device with 20 wt % BTO in PDMS and a 100-μm-thick film showed the highest output power. We also designed three measurement modes to record hybrid, triboelectric, and piezoelectric outputs separately with a simple structure that has only two electrodes. The hybrid output performance is higher than the tribo- and piezoelectric performances. This work will provide not only a new way to enhance the output power of nanogenerators, but also new opportunities for developing built-in power sources in self-powered electronics.

Original languageEnglish (US)
Pages (from-to)34335-34341
Number of pages7
JournalACS Applied Materials and Interfaces
Volume8
Issue number50
DOIs
StatePublished - Dec 21 2016

Keywords

  • mechanical-energy harvesting
  • nanocomposite
  • nanogenerator
  • piezoelectric
  • triboelectric

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