A Flexible Lead‐Free BaTiO 3 /PDMS/C Composite Nanogenerator as a Piezoelectric Energy Harvester | Zendy

Luo Cuixian | Zendy; Hu Sihuan | Zendy; Xia Mengjie | Zendy; Li Pengwei | Zendy; Hu Jie | Zendy; Li Gang | Zendy; Jiang Huabei | Zendy; Zhang Wendong | Zendy

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A Flexible Lead‐Free BaTiO 3 /PDMS/C Composite Nanogenerator as a Piezoelectric Energy Harvester

Author(s) -

Luo Cuixian,

Hu Sihuan,

Xia Mengjie,

Li Pengwei,

Hu Jie,

Li Gang,

Jiang Huabei,

Zhang Wendong

Publication year - 2018

Publication title -

energy technology

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.91

H-Index - 44

eISSN - 2194-4296

pISSN - 2194-4288

DOI - 10.1002/ente.201700756

Subject(s) - nanogenerator , materials science , composite number , piezoelectricity , energy harvesting , capacitor , voltage , nanoparticle , optoelectronics , diode , composite material , light emitting diode , energy storage , ferroelectricity , vibrator (electronic) , nanotechnology , electrical engineering , energy (signal processing) , power (physics) , dielectric , statistics , mathematics , physics , quantum mechanics , engineering

A novel approach to develop high‐performance flexible piezoelectric nanogenerators (PNGs) by using a lead‐free BaTiO 3 /polydimethyl siloxane (PDMS)/C composite thin film is proposed. The lead‐free BaTiO 3 nanoparticles (NPs) are successfully fabricated using a facile modified (nano‐scale precursors) solid‐phase method. The synthesized BaTiO 3 /PDMS/C composite PNG exhibits an output voltage of approximately 7.43 V with periodically beating from a vibrator, which is increased by 143 % compared to the PNGs without C doping. The maximum power is shown to reach up to approximately 7.92 μW with a load resistance of 2 MΩ when the C content of PNGs is 3.2 wt %.The generated electric energy can be effectively stored by the energy storage capacitor (47 μF) and is successfully used to light a commercial red light‐emitting diode (LED). These results show that the BaTiO 3 /PDMS/C composite is a promising candidate for large‐scale lead‐free piezoelectric nanogenerator applications.

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