A High‐Performance Flexible Arch‐Shaped Tribo‐Piezoelectric Hybrid Nanogenerator for Energy Harvesting

Author:

Xiao Yuan1ORCID,Wang Yuping1,Yang Leipeng123,Wang Yilei1,Che Xinwei1,Liu Xin1

Affiliation:

1. School of Mechanical and Electrical Engineering Xi'an Polytechnic University Xi'an Shaanxi 710048 P. R. China

2. Taizhou Research Institute Zhejiang University of Technology Taizhou Zhejiang 318000 P. R. China

3. School of Materials Science and Engineering Xi'an University of Technology Xi'an Shaanxi 710048 P. R. China

Abstract

Nanogenerators are attempting to be one of the ideal power supply devices for dealing with the global energy crisis. Nowadays, piezoelectric nanogenerators (PENGs) and triboelectric nanogenerators (TENGs) are widely studied in the energy field. Herein, a hybrid arch‐shaped nanogenerator is fabricated by combining piezoelectric and triboelectric effects. Polyvinylidene fluoride (PVDF) is used for PENGs. The titanium nitride/polydimethylsiloxane (TiN/PDMS) composite films with microporous structures are prepared for use in TENG. The maximum output peak‐to‐peak voltage and output peak‐to‐peak current of the PENG are 24 V and 17 μA, respectively, with peak power of 0.8 μW. The maximum output peak‐to‐peak voltage and peak‐to‐peak current of the TENG are 35 V and 17 μA, respectively, with peak power of 1.6 μW. The hybrid nanogenerator has a maximum output peak‐to‐peak voltage and peak‐to‐peak current of 73 V and 35 μA, respectively, and a peak power of 3.9 μW. In addition, the hybrid nanogenerator has a stable charging voltage of DC 4 V, which is better than a single TENG (DC 0.3 V) or PENG (DC 2.2 V). The hybrid nanogenerator shows excellent output performance and energy conversion efficiency among existing nanogenerators of similar size.

Funder

National Natural Science Foundation of China

Publisher

Wiley

Subject

General Energy

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