Flexible hybrid energy cell for simultaneously harvesting thermal, mechanical, and solar energies

Ya Yang, Hulin Zhang, Guang Zhu, Sangmin Lee, Zong Hong Lin, Zhong Lin Wang

Research output: Journal PublicationArticlepeer-review

206 Citations (Scopus)

Abstract

We report the first flexible hybrid energy cell that is capable of simultaneously or individually harvesting thermal, mechanical, and solar energies to power some electronic devices. For having both the pyroelectric and piezoelectric properties, a polarized poly(vinylidene fluoride) (PVDF) film-based nanogenerator (NG) was used to harvest thermal and mechanical energies. Using aligned ZnO nanowire arrays grown on the flexible polyester (PET) substrate, a ZnO-poly(3-hexylthiophene) (P3HT) heterojunction solar cell was designed for harvesting solar energy. By integrating the NGs and the solar cells, a hybrid energy cell was fabricated to simultaneously harvest three different types of energies. With the use of a Li-ion battery as the energy storage, the harvested energy can drive four red light-emitting diodes (LEDs).

Original languageEnglish
Pages (from-to)785-790
Number of pages6
JournalACS Nano
Volume7
Issue number1
DOIs
Publication statusPublished - 22 Jan 2013
Externally publishedYes

Keywords

  • PVDF
  • ZnO
  • nanogenerator
  • piezoelectric
  • pyroelectric
  • solar cell

ASJC Scopus subject areas

  • Materials Science (all)
  • Engineering (all)
  • Physics and Astronomy (all)

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