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Science China Technological Sciences

, Volume 56, Issue 11, pp 2636–2641 | Cite as

Investigation and characterization of an arc-shaped piezoelectric generator

  • MengDi Han
  • Wen Liu
  • XiaoSheng Zhang
  • Bo Meng
  • HaiXia ZhangEmail author
Article

Abstract

novel arc-shaped piezoelectric generator based on flexible PVDF thin film is presented and systemically studied. With a periodical external force, the generator can produce peak voltage of 45.6 V and peak power of 30.7 μW. The maximum power density reaches 38.4 μW/cm3 with a 4 cm × 2 cm × 100 μm device, at the optimum load resistance of 33.33 MOhm. The influence of frequency, size dimension and load resistance are investigated through experimental measurements. With this high output arc-shaped generator, capacitors can be effectively charged and three commercial LEDs have been directly lighted without any energy storage unit.

Keywords

piezoelectric generator arc-shaped PVDF high output self-powered system 

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Copyright information

© Science China Press and Springer-Verlag Berlin Heidelberg 2013

Authors and Affiliations

  • MengDi Han
    • 1
  • Wen Liu
    • 1
    • 2
  • XiaoSheng Zhang
    • 1
  • Bo Meng
    • 1
  • HaiXia Zhang
    • 1
    Email author
  1. 1.Institute of MicroelectronicsPeking UniversityBeijingChina
  2. 2.Peking University Shenzhen Graduate SchoolShenzhenChina

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